/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald, * Copyright (C) 1997-1998 Jay Painter * * $Id$ * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ /* TODO: * get rid of autoresize of the columns completely and just use some * sane default widths instead */ #include "config.h" #include #include #include #include "ethclist.h" #include #include #ifdef _WIN32 #include #else #include #endif #include /* length of button_actions array */ #define MAX_BUTTON 5 /* the number rows memchunk expands at a time */ #define CLIST_OPTIMUM_SIZE 64 /* the width of the column resize windows */ #define DRAG_WIDTH 6 /* minimum allowed width of a column */ #define COLUMN_MIN_WIDTH 5 /* this defigns the base grid spacing */ #define CELL_SPACING 1 /* added the horizontal space at the beginning and end of a row*/ #define COLUMN_INSET 3 /* used for auto-scrolling */ #define SCROLL_TIME 100 /* gives the top pixel of the given row in context of * the clist's voffset */ #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \ (((row) + 1) * CELL_SPACING) + \ (clist)->voffset) /* returns the row index from a y pixel location in the * context of the clist's voffset */ #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \ ((clist)->row_height + CELL_SPACING)) /* gives the left pixel of the given column in context of * the clist's hoffset */ #define COLUMN_LEFT_XPIXEL(clist, colnum) ((clist)->column[(colnum)].area.x + \ (clist)->hoffset) /* returns the column index from a x pixel location in the * context of the clist's hoffset */ static inline gint COLUMN_FROM_XPIXEL (EthCList * clist, gint x) { gint i, cx; for (i = 0; i < clist->columns; i++) if (clist->column[i].visible) { cx = clist->column[i].area.x + clist->hoffset; if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) && x <= (cx + clist->column[i].area.width + COLUMN_INSET)) return i; } /* no match */ return -1; } /* returns the top pixel of the given row in the context of * the list height */ #define ROW_TOP(clist, row) (((clist)->row_height + CELL_SPACING) * (row)) /* returns the left pixel of the given column in the context of * the list width */ #define COLUMN_LEFT(clist, colnum) ((clist)->column[(colnum)].area.x) /* returns the total height of the list */ #define LIST_HEIGHT(clist) (((clist)->row_height * ((clist)->rows)) + \ (CELL_SPACING * ((clist)->rows + 1))) /* returns the total width of the list */ static inline gint LIST_WIDTH (EthCList * clist) { gint last_column; for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--); if (last_column >= 0) return (clist->column[last_column].area.x + clist->column[last_column].area.width + COLUMN_INSET + CELL_SPACING); return 0; } /* returns the GList item for the nth row */ #define ROW_ELEMENT(clist, row) (((row) == (clist)->rows - 1) ? \ (clist)->row_list_end : \ g_list_nth ((clist)->row_list, (row))) #define ETH_CLIST_CLASS_FW(_widget_) ETH_CLIST_CLASS (((GtkObject*) (_widget_))->klass) /* redraw the list if it's not frozen */ #define CLIST_UNFROZEN(clist) (((EthCList*) (clist))->freeze_count == 0) #define CLIST_REFRESH(clist) G_STMT_START { \ if (CLIST_UNFROZEN (clist)) \ ETH_CLIST_CLASS_FW (clist)->refresh ((EthCList*) (clist)); \ } G_STMT_END /* maximum size in pxels that columns will be autosized to */ #define MAX_COLUMN_AUTOSIZE_WIDTH 600 /* Signals */ enum { SELECT_ROW, UNSELECT_ROW, ROW_MOVE, CLICK_COLUMN, RESIZE_COLUMN, TOGGLE_FOCUS_ROW, SELECT_ALL, UNSELECT_ALL, UNDO_SELECTION, START_SELECTION, END_SELECTION, TOGGLE_ADD_MODE, EXTEND_SELECTION, SCROLL_VERTICAL, SCROLL_HORIZONTAL, ABORT_COLUMN_RESIZE, LAST_SIGNAL }; enum { SYNC_REMOVE, SYNC_INSERT }; enum { ARG_0, ARG_N_COLUMNS, ARG_SHADOW_TYPE, ARG_SELECTION_MODE, ARG_ROW_HEIGHT, ARG_TITLES_ACTIVE, ARG_REORDERABLE, ARG_USE_DRAG_ICONS, ARG_SORT_TYPE }; /* EthCList Methods */ static void eth_clist_class_init (EthCListClass *klass); static void eth_clist_init (EthCList *clist); /* GtkObject Methods */ static void eth_clist_destroy (GtkObject *object); static void eth_clist_finalize (GtkObject *object); static void eth_clist_set_arg (GtkObject *object, GtkArg *arg, guint arg_id); static void eth_clist_get_arg (GtkObject *object, GtkArg *arg, guint arg_id); /* GtkWidget Methods */ static void eth_clist_set_scroll_adjustments (EthCList *clist, GtkAdjustment *hadjustment, GtkAdjustment *vadjustment); static void eth_clist_realize (GtkWidget *widget); static void eth_clist_unrealize (GtkWidget *widget); static void eth_clist_map (GtkWidget *widget); static void eth_clist_unmap (GtkWidget *widget); static void eth_clist_draw (GtkWidget *widget, GdkRectangle *area); static gint eth_clist_expose (GtkWidget *widget, GdkEventExpose *event); static gint eth_clist_key_press (GtkWidget *widget, GdkEventKey *event); static gint eth_clist_button_press (GtkWidget *widget, GdkEventButton *event); static gint eth_clist_button_release (GtkWidget *widget, GdkEventButton *event); static gint eth_clist_motion (GtkWidget *widget, GdkEventMotion *event); static void eth_clist_size_request (GtkWidget *widget, GtkRequisition *requisition); static void eth_clist_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void eth_clist_draw_focus (GtkWidget *widget); static gint eth_clist_focus_in (GtkWidget *widget, GdkEventFocus *event); static gint eth_clist_focus_out (GtkWidget *widget, GdkEventFocus *event); static gint eth_clist_focus (GtkContainer *container, GtkDirectionType direction); static void eth_clist_style_set (GtkWidget *widget, GtkStyle *previous_style); static void eth_clist_drag_begin (GtkWidget *widget, GdkDragContext *context); static gint eth_clist_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void eth_clist_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time); static void eth_clist_drag_end (GtkWidget *widget, GdkDragContext *context); static gboolean eth_clist_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void eth_clist_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint info, guint time); static void eth_clist_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time); /* GtkContainer Methods */ static void eth_clist_set_focus_child (GtkContainer *container, GtkWidget *child); static void eth_clist_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); /* Selection */ static void toggle_row (EthCList *clist, gint row, gint column, GdkEvent *event); static void real_select_row (EthCList *clist, gint row, gint column, GdkEvent *event); static void real_unselect_row (EthCList *clist, gint row, gint column, GdkEvent *event); static void update_extended_selection (EthCList *clist, gint row); static GList *selection_find (EthCList *clist, gint row_number, GList *row_list_element); static void real_select_all (EthCList *clist); static void real_unselect_all (EthCList *clist); static void move_vertical (EthCList *clist, gint row, gfloat align); static void move_horizontal (EthCList *clist, gint diff); static void real_undo_selection (EthCList *clist); static void fake_unselect_all (EthCList *clist, gint row); static void fake_toggle_row (EthCList *clist, gint row); static void resync_selection (EthCList *clist, GdkEvent *event); static void sync_selection (EthCList *clist, gint row, gint mode); static void set_anchor (EthCList *clist, gboolean add_mode, gint anchor, gint undo_anchor); static void start_selection (EthCList *clist); static void end_selection (EthCList *clist); static void toggle_add_mode (EthCList *clist); static void toggle_focus_row (EthCList *clist); static void extend_selection (EthCList *clist, GtkScrollType scroll_type, gfloat position, gboolean auto_start_selection); static gint get_selection_info (EthCList *clist, gint x, gint y, gint *row, gint *column); /* Scrolling */ static void move_focus_row (EthCList *clist, GtkScrollType scroll_type, gfloat position); static void scroll_horizontal (EthCList *clist, GtkScrollType scroll_type, gfloat position); static void scroll_vertical (EthCList *clist, GtkScrollType scroll_type, gfloat position); static void move_horizontal (EthCList *clist, gint diff); static void move_vertical (EthCList *clist, gint row, gfloat align); static gint horizontal_timeout (EthCList *clist); static gint vertical_timeout (EthCList *clist); static void remove_grab (EthCList *clist); /* Resize Columns */ static void draw_xor_line (EthCList *clist); static gint new_column_width (EthCList *clist, gint column, gint *x); static void column_auto_resize (EthCList *clist, EthCListRow *clist_row, gint column, gint old_width); static void real_resize_column (EthCList *clist, gint column, gint width); static void abort_column_resize (EthCList *clist); static void cell_size_request (EthCList *clist, EthCListRow *clist_row, gint column, GtkRequisition *requisition); /* Buttons */ static void column_button_create (EthCList *clist, gint column); static void column_button_clicked (GtkWidget *widget, gpointer data); /* Adjustments */ static void adjust_adjustments (EthCList *clist, gboolean block_resize); static void check_exposures (EthCList *clist); static void vadjustment_changed (GtkAdjustment *adjustment, gpointer data); static void vadjustment_value_changed (GtkAdjustment *adjustment, gpointer data); static void hadjustment_changed (GtkAdjustment *adjustment, gpointer data); static void hadjustment_value_changed (GtkAdjustment *adjustment, gpointer data); /* Drawing */ static void get_cell_style (EthCList *clist, EthCListRow *clist_row, gint state, gint column, GtkStyle **style, GdkGC **fg_gc, GdkGC **bg_gc); static gint draw_cell_pixmap (GdkWindow *window, GdkRectangle *clip_rectangle, GdkGC *fg_gc, GdkPixmap *pixmap, GdkBitmap *mask, gint x, gint y, gint width, gint height); static void draw_row (EthCList *clist, GdkRectangle *area, gint row, EthCListRow *clist_row); static void draw_rows (EthCList *clist, GdkRectangle *area); static void clist_refresh (EthCList *clist); static void draw_drag_highlight (EthCList *clist, EthCListRow *dest_row, gint dest_row_number, EthCListDragPos drag_pos); /* Size Allocation / Requisition */ static void size_allocate_title_buttons (EthCList *clist); static void size_allocate_columns (EthCList *clist, gboolean block_resize); static gint list_requisition_width (EthCList *clist); /* Memory Allocation/Distruction Routines */ static EthCListColumn *columns_new (EthCList *clist); static void column_title_new (EthCList *clist, gint column, const gchar *title); static void columns_delete (EthCList *clist); static EthCListRow *row_new (EthCList *clist); static void row_delete (EthCList *clist, EthCListRow *clist_row); static void set_cell_contents (EthCList *clist, EthCListRow *clist_row, gint column, EthCellType type, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask); static gint real_insert_row (EthCList *clist, gint row, gchar *text[]); static void real_remove_row (EthCList *clist, gint row); static void real_clear (EthCList *clist); /* Sorting */ static gint default_compare (EthCList *clist, gconstpointer row1, gconstpointer row2); static void real_sort_list (EthCList *clist); static GList *eth_clist_merge (EthCList *clist, GList *a, GList *b); static GList *eth_clist_mergesort (EthCList *clist, GList *list, gint num); /* Misc */ static gboolean title_focus (EthCList *clist, gint dir); static void real_row_move (EthCList *clist, gint source_row, gint dest_row); static gint column_title_passive_func (GtkWidget *widget, GdkEvent *event, gpointer data); static void drag_dest_cell (EthCList *clist, gint x, gint y, EthCListDestInfo *dest_info); static GtkContainerClass *parent_class = NULL; static guint clist_signals[LAST_SIGNAL] = {0}; static GtkTargetEntry clist_target_table = { "gtk-clist-drag-reorder", 0, 0}; GtkType eth_clist_type = 0; void init_eth_clist_type (void) { static const GtkTypeInfo clist_info = { "EthCList", sizeof (EthCList), sizeof (EthCListClass), (GtkClassInitFunc) eth_clist_class_init, (GtkObjectInitFunc) eth_clist_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; eth_clist_type = gtk_type_unique (GTK_TYPE_CONTAINER, &clist_info); } static void eth_clist_class_init (EthCListClass *klass) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkContainerClass *container_class; GtkBindingSet *binding_set; object_class = (GtkObjectClass *) klass; widget_class = (GtkWidgetClass *) klass; container_class = (GtkContainerClass *) klass; parent_class = gtk_type_class (GTK_TYPE_CONTAINER); gtk_object_add_arg_type ("EthCList::n_columns", GTK_TYPE_UINT, GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY, ARG_N_COLUMNS); gtk_object_add_arg_type ("EthCList::shadow_type", GTK_TYPE_SHADOW_TYPE, GTK_ARG_READWRITE, ARG_SHADOW_TYPE); gtk_object_add_arg_type ("EthCList::selection_mode", GTK_TYPE_SELECTION_MODE, GTK_ARG_READWRITE, ARG_SELECTION_MODE); gtk_object_add_arg_type ("EthCList::row_height", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_ROW_HEIGHT); gtk_object_add_arg_type ("EthCList::reorderable", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_REORDERABLE); gtk_object_add_arg_type ("EthCList::titles_active", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_TITLES_ACTIVE); gtk_object_add_arg_type ("EthCList::use_drag_icons", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_USE_DRAG_ICONS); gtk_object_add_arg_type ("EthCList::sort_type", GTK_TYPE_SORT_TYPE, GTK_ARG_READWRITE, ARG_SORT_TYPE); object_class->set_arg = eth_clist_set_arg; object_class->get_arg = eth_clist_get_arg; object_class->destroy = eth_clist_destroy; object_class->finalize = eth_clist_finalize; widget_class->set_scroll_adjustments_signal = gtk_signal_new ("set_scroll_adjustments", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, set_scroll_adjustments), gtk_marshal_NONE__POINTER_POINTER, GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); clist_signals[SELECT_ROW] = gtk_signal_new ("select_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, select_row), gtk_marshal_NONE__INT_INT_POINTER, GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); clist_signals[UNSELECT_ROW] = gtk_signal_new ("unselect_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, unselect_row), gtk_marshal_NONE__INT_INT_POINTER, GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); clist_signals[ROW_MOVE] = gtk_signal_new ("row_move", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, row_move), gtk_marshal_NONE__INT_INT, GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT); clist_signals[CLICK_COLUMN] = gtk_signal_new ("click_column", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, click_column), gtk_marshal_NONE__INT, GTK_TYPE_NONE, 1, GTK_TYPE_INT); clist_signals[RESIZE_COLUMN] = gtk_signal_new ("resize_column", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, resize_column), gtk_marshal_NONE__INT_INT, GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT); clist_signals[TOGGLE_FOCUS_ROW] = gtk_signal_new ("toggle_focus_row", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, toggle_focus_row), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[SELECT_ALL] = gtk_signal_new ("select_all", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, select_all), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[UNSELECT_ALL] = gtk_signal_new ("unselect_all", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, unselect_all), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[UNDO_SELECTION] = gtk_signal_new ("undo_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, undo_selection), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[START_SELECTION] = gtk_signal_new ("start_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, start_selection), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[END_SELECTION] = gtk_signal_new ("end_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, end_selection), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[TOGGLE_ADD_MODE] = gtk_signal_new ("toggle_add_mode", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, toggle_add_mode), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[EXTEND_SELECTION] = gtk_signal_new ("extend_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, extend_selection), gtk_marshal_NONE__ENUM_FLOAT_BOOL, GTK_TYPE_NONE, 3, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT, GTK_TYPE_BOOL); clist_signals[SCROLL_VERTICAL] = gtk_signal_new ("scroll_vertical", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, scroll_vertical), gtk_marshal_NONE__ENUM_FLOAT, GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT); clist_signals[SCROLL_HORIZONTAL] = gtk_signal_new ("scroll_horizontal", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, scroll_horizontal), gtk_marshal_NONE__ENUM_FLOAT, GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT); clist_signals[ABORT_COLUMN_RESIZE] = gtk_signal_new ("abort_column_resize", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (EthCListClass, abort_column_resize), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); gtk_object_class_add_signals (object_class, clist_signals, LAST_SIGNAL); widget_class->realize = eth_clist_realize; widget_class->unrealize = eth_clist_unrealize; widget_class->map = eth_clist_map; widget_class->unmap = eth_clist_unmap; widget_class->draw = eth_clist_draw; widget_class->button_press_event = eth_clist_button_press; widget_class->button_release_event = eth_clist_button_release; widget_class->motion_notify_event = eth_clist_motion; widget_class->expose_event = eth_clist_expose; widget_class->size_request = eth_clist_size_request; widget_class->size_allocate = eth_clist_size_allocate; widget_class->key_press_event = eth_clist_key_press; widget_class->focus_in_event = eth_clist_focus_in; widget_class->focus_out_event = eth_clist_focus_out; widget_class->draw_focus = eth_clist_draw_focus; widget_class->style_set = eth_clist_style_set; widget_class->drag_begin = eth_clist_drag_begin; widget_class->drag_end = eth_clist_drag_end; widget_class->drag_motion = eth_clist_drag_motion; widget_class->drag_leave = eth_clist_drag_leave; widget_class->drag_drop = eth_clist_drag_drop; widget_class->drag_data_get = eth_clist_drag_data_get; widget_class->drag_data_received = eth_clist_drag_data_received; /* container_class->add = NULL; use the default GtkContainerClass warning */ /* container_class->remove=NULL; use the default GtkContainerClass warning */ container_class->forall = eth_clist_forall; container_class->focus = eth_clist_focus; container_class->set_focus_child = eth_clist_set_focus_child; klass->set_scroll_adjustments = eth_clist_set_scroll_adjustments; klass->refresh = clist_refresh; klass->select_row = real_select_row; klass->unselect_row = real_unselect_row; klass->row_move = real_row_move; klass->undo_selection = real_undo_selection; klass->resync_selection = resync_selection; klass->selection_find = selection_find; klass->click_column = NULL; klass->resize_column = real_resize_column; klass->draw_row = draw_row; klass->draw_drag_highlight = draw_drag_highlight; klass->insert_row = real_insert_row; klass->remove_row = real_remove_row; klass->clear = real_clear; klass->sort_list = real_sort_list; klass->select_all = real_select_all; klass->unselect_all = real_unselect_all; klass->fake_unselect_all = fake_unselect_all; klass->scroll_horizontal = scroll_horizontal; klass->scroll_vertical = scroll_vertical; klass->extend_selection = extend_selection; klass->toggle_focus_row = toggle_focus_row; klass->toggle_add_mode = toggle_add_mode; klass->start_selection = start_selection; klass->end_selection = end_selection; klass->abort_column_resize = abort_column_resize; klass->set_cell_contents = set_cell_contents; klass->cell_size_request = cell_size_request; binding_set = gtk_binding_set_by_class (klass); gtk_binding_entry_add_signal (binding_set, GDK_Up, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Down, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0); gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_SHIFT_MASK | GDK_CONTROL_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_SHIFT_MASK | GDK_CONTROL_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Home, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_End, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0); gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0, "undo_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0, "abort_column_resize", 0); gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "toggle_focus_row", 0); gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_add_mode", 0); gtk_binding_entry_add_signal (binding_set, '/', GDK_CONTROL_MASK, "select_all", 0); gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK, "unselect_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_L, GDK_RELEASE_MASK | GDK_SHIFT_MASK, "end_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_R, GDK_RELEASE_MASK | GDK_SHIFT_MASK, "end_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_L, GDK_RELEASE_MASK | GDK_SHIFT_MASK | GDK_CONTROL_MASK, "end_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_R, GDK_RELEASE_MASK | GDK_SHIFT_MASK | GDK_CONTROL_MASK, "end_selection", 0); } static void eth_clist_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) { EthCList *clist; clist = ETH_CLIST (object); switch (arg_id) { case ARG_N_COLUMNS: /* construct-only arg, only set when !GTK_CONSTRUCTED */ eth_clist_construct (clist, MAX (1, GTK_VALUE_UINT (*arg)), NULL); break; case ARG_SHADOW_TYPE: eth_clist_set_shadow_type (clist, GTK_VALUE_ENUM (*arg)); break; case ARG_SELECTION_MODE: eth_clist_set_selection_mode (clist, GTK_VALUE_ENUM (*arg)); break; case ARG_ROW_HEIGHT: eth_clist_set_row_height (clist, GTK_VALUE_UINT (*arg)); break; case ARG_REORDERABLE: eth_clist_set_reorderable (clist, GTK_VALUE_BOOL (*arg)); break; case ARG_TITLES_ACTIVE: if (GTK_VALUE_BOOL (*arg)) eth_clist_column_titles_active (clist); else eth_clist_column_titles_passive (clist); break; case ARG_USE_DRAG_ICONS: eth_clist_set_use_drag_icons (clist, GTK_VALUE_BOOL (*arg)); break; case ARG_SORT_TYPE: eth_clist_set_sort_type (clist, GTK_VALUE_ENUM (*arg)); break; } } static void eth_clist_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) { EthCList *clist; clist = ETH_CLIST (object); switch (arg_id) { gint i; case ARG_N_COLUMNS: GTK_VALUE_UINT (*arg) = clist->columns; break; case ARG_SHADOW_TYPE: GTK_VALUE_ENUM (*arg) = clist->shadow_type; break; case ARG_SELECTION_MODE: GTK_VALUE_ENUM (*arg) = clist->selection_mode; break; case ARG_ROW_HEIGHT: GTK_VALUE_UINT (*arg) = ETH_CLIST_ROW_HEIGHT_SET(clist) ? clist->row_height : 0; break; case ARG_REORDERABLE: GTK_VALUE_BOOL (*arg) = ETH_CLIST_REORDERABLE (clist); break; case ARG_TITLES_ACTIVE: GTK_VALUE_BOOL (*arg) = TRUE; for (i = 0; i < clist->columns; i++) if (clist->column[i].button && !GTK_WIDGET_SENSITIVE (clist->column[i].button)) { GTK_VALUE_BOOL (*arg) = FALSE; break; } break; case ARG_USE_DRAG_ICONS: GTK_VALUE_BOOL (*arg) = ETH_CLIST_USE_DRAG_ICONS (clist); break; case ARG_SORT_TYPE: GTK_VALUE_ENUM (*arg) = clist->sort_type; break; default: arg->type = GTK_TYPE_INVALID; break; } } static void eth_clist_init (EthCList *clist) { clist->flags = 0; GTK_WIDGET_UNSET_FLAGS (clist, GTK_NO_WINDOW); GTK_WIDGET_SET_FLAGS (clist, GTK_CAN_FOCUS); ETH_CLIST_SET_FLAG (clist, CLIST_CHILD_HAS_FOCUS); ETH_CLIST_SET_FLAG (clist, CLIST_DRAW_DRAG_LINE); ETH_CLIST_SET_FLAG (clist, CLIST_USE_DRAG_ICONS); clist->row_mem_chunk = NULL; clist->cell_mem_chunk = NULL; clist->freeze_count = 0; clist->rows = 0; clist->row_center_offset = 0; clist->row_height = 0; clist->row_list = NULL; clist->row_list_end = NULL; clist->columns = 0; clist->title_window = NULL; clist->column_title_area.x = 0; clist->column_title_area.y = 0; clist->column_title_area.width = 1; clist->column_title_area.height = 1; clist->clist_window = NULL; clist->clist_window_width = 1; clist->clist_window_height = 1; clist->hoffset = 0; clist->voffset = 0; clist->shadow_type = GTK_SHADOW_IN; clist->vadjustment = NULL; clist->hadjustment = NULL; clist->button_actions[0] = ETH_BUTTON_SELECTS | ETH_BUTTON_DRAGS; clist->button_actions[1] = ETH_BUTTON_IGNORED; clist->button_actions[2] = ETH_BUTTON_IGNORED; clist->button_actions[3] = ETH_BUTTON_IGNORED; clist->button_actions[4] = ETH_BUTTON_IGNORED; clist->cursor_drag = NULL; clist->xor_gc = NULL; clist->fg_gc = NULL; clist->bg_gc = NULL; clist->x_drag = 0; clist->selection_mode = GTK_SELECTION_SINGLE; clist->selection = NULL; clist->selection_end = NULL; clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->focus_row = -1; clist->undo_anchor = -1; clist->anchor = -1; clist->anchor_state = GTK_STATE_SELECTED; clist->drag_pos = -1; clist->htimer = 0; clist->vtimer = 0; clist->click_cell.row = -1; clist->click_cell.column = -1; clist->compare = default_compare; clist->sort_type = GTK_SORT_ASCENDING; clist->sort_column = 0; } /* Constructors */ void eth_clist_construct (EthCList *clist, gint columns, gchar *titles[]) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); g_return_if_fail (columns > 0); g_return_if_fail (GTK_OBJECT_CONSTRUCTED (clist) == FALSE); /* mark the object as constructed */ gtk_object_constructed (GTK_OBJECT (clist)); /* initalize memory chunks, if this has not been done by any * possibly derived widget */ if (!clist->row_mem_chunk) clist->row_mem_chunk = g_mem_chunk_new ("clist row mem chunk", sizeof (EthCListRow), sizeof (EthCListRow) * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); if (!clist->cell_mem_chunk) clist->cell_mem_chunk = g_mem_chunk_new ("clist cell mem chunk", sizeof (EthCell) * columns, sizeof (EthCell) * columns * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); /* set number of columns, allocate memory */ clist->columns = columns; clist->column = columns_new (clist); /* there needs to be at least one column button * because there is alot of code that will break if it * isn't there*/ column_button_create (clist, 0); if (titles) { gint i; ETH_CLIST_SET_FLAG (clist, CLIST_SHOW_TITLES); for (i = 0; i < columns; i++) eth_clist_set_column_title (clist, i, titles[i]); } else { ETH_CLIST_UNSET_FLAG (clist, CLIST_SHOW_TITLES); } } /* GTKCLIST PUBLIC INTERFACE * eth_clist_new * eth_clist_new_with_titles * eth_clist_set_hadjustment * eth_clist_set_vadjustment * eth_clist_get_hadjustment * eth_clist_get_vadjustment * eth_clist_set_shadow_type * eth_clist_set_selection_mode * eth_clist_freeze * eth_clist_thaw */ GtkWidget* eth_clist_new (gint columns) { return eth_clist_new_with_titles (columns, NULL); } GtkWidget* eth_clist_new_with_titles (gint columns, gchar *titles[]) { GtkWidget *widget; widget = gtk_type_new (ETH_TYPE_CLIST); eth_clist_construct (ETH_CLIST (widget), columns, titles); return widget; } void eth_clist_set_hadjustment (EthCList *clist, GtkAdjustment *adjustment) { GtkAdjustment *old_adjustment; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (adjustment) g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment)); if (clist->hadjustment == adjustment) return; old_adjustment = clist->hadjustment; if (clist->hadjustment) { gtk_signal_disconnect_by_data (GTK_OBJECT (clist->hadjustment), clist); gtk_object_unref (GTK_OBJECT (clist->hadjustment)); } clist->hadjustment = adjustment; if (clist->hadjustment) { gtk_object_ref (GTK_OBJECT (clist->hadjustment)); gtk_object_sink (GTK_OBJECT (clist->hadjustment)); gtk_signal_connect (GTK_OBJECT (clist->hadjustment), "changed", (GtkSignalFunc) hadjustment_changed, (gpointer) clist); gtk_signal_connect (GTK_OBJECT (clist->hadjustment), "value_changed", (GtkSignalFunc) hadjustment_value_changed, (gpointer) clist); } if (!clist->hadjustment || !old_adjustment) gtk_widget_queue_resize (GTK_WIDGET (clist)); } GtkAdjustment * eth_clist_get_hadjustment (EthCList *clist) { g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); return clist->hadjustment; } void eth_clist_set_vadjustment (EthCList *clist, GtkAdjustment *adjustment) { GtkAdjustment *old_adjustment; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (adjustment) g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment)); if (clist->vadjustment == adjustment) return; old_adjustment = clist->vadjustment; if (clist->vadjustment) { gtk_signal_disconnect_by_data (GTK_OBJECT (clist->vadjustment), clist); gtk_object_unref (GTK_OBJECT (clist->vadjustment)); } clist->vadjustment = adjustment; if (clist->vadjustment) { gtk_object_ref (GTK_OBJECT (clist->vadjustment)); gtk_object_sink (GTK_OBJECT (clist->vadjustment)); gtk_signal_connect (GTK_OBJECT (clist->vadjustment), "changed", (GtkSignalFunc) vadjustment_changed, (gpointer) clist); gtk_signal_connect (GTK_OBJECT (clist->vadjustment), "value_changed", (GtkSignalFunc) vadjustment_value_changed, (gpointer) clist); } if (!clist->vadjustment || !old_adjustment) gtk_widget_queue_resize (GTK_WIDGET (clist)); } GtkAdjustment * eth_clist_get_vadjustment (EthCList *clist) { g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); return clist->vadjustment; } static void eth_clist_set_scroll_adjustments (EthCList *clist, GtkAdjustment *hadjustment, GtkAdjustment *vadjustment) { if (clist->hadjustment != hadjustment) eth_clist_set_hadjustment (clist, hadjustment); if (clist->vadjustment != vadjustment) eth_clist_set_vadjustment (clist, vadjustment); } void eth_clist_set_shadow_type (EthCList *clist, GtkShadowType type) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); clist->shadow_type = type; if (GTK_WIDGET_VISIBLE (clist)) gtk_widget_queue_resize (GTK_WIDGET (clist)); } void eth_clist_set_selection_mode (EthCList *clist, GtkSelectionMode mode) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (mode == clist->selection_mode) return; clist->selection_mode = mode; clist->anchor = -1; clist->anchor_state = GTK_STATE_SELECTED; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; switch (mode) { case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_EXTENDED: return; case GTK_SELECTION_BROWSE: case GTK_SELECTION_SINGLE: eth_clist_unselect_all (clist); break; } } void eth_clist_freeze (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); clist->freeze_count++; } void eth_clist_thaw (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (clist->freeze_count) { clist->freeze_count--; CLIST_REFRESH (clist); } } /* PUBLIC COLUMN FUNCTIONS * eth_clist_column_titles_show * eth_clist_column_titles_hide * eth_clist_column_title_active * eth_clist_column_title_passive * eth_clist_column_titles_active * eth_clist_column_titles_passive * eth_clist_set_column_title * eth_clist_get_column_title * eth_clist_set_column_widget * eth_clist_set_column_justification * eth_clist_set_column_visibility * eth_clist_set_column_resizeable * eth_clist_set_column_auto_resize * eth_clist_optimal_column_width * eth_clist_set_column_width * eth_clist_set_column_min_width * eth_clist_set_column_max_width */ void eth_clist_column_titles_show (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (!ETH_CLIST_SHOW_TITLES(clist)) { ETH_CLIST_SET_FLAG (clist, CLIST_SHOW_TITLES); if (clist->title_window) gdk_window_show (clist->title_window); gtk_widget_queue_resize (GTK_WIDGET (clist)); } } void eth_clist_column_titles_hide (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (ETH_CLIST_SHOW_TITLES(clist)) { ETH_CLIST_UNSET_FLAG (clist, CLIST_SHOW_TITLES); if (clist->title_window) gdk_window_hide (clist->title_window); gtk_widget_queue_resize (GTK_WIDGET (clist)); } } void eth_clist_column_title_active (EthCList *clist, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (!clist->column[column].button || !clist->column[column].button_passive) return; clist->column[column].button_passive = FALSE; gtk_signal_disconnect_by_func (GTK_OBJECT (clist->column[column].button), (GtkSignalFunc) column_title_passive_func, NULL); GTK_WIDGET_SET_FLAGS (clist->column[column].button, GTK_CAN_FOCUS); if (GTK_WIDGET_VISIBLE (clist)) gtk_widget_queue_draw (clist->column[column].button); } void eth_clist_column_title_passive (EthCList *clist, gint column) { GtkButton *button; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (!clist->column[column].button || clist->column[column].button_passive) return; button = GTK_BUTTON (clist->column[column].button); clist->column[column].button_passive = TRUE; if (button->button_down) gtk_button_released (button); if (button->in_button) gtk_button_leave (button); gtk_signal_connect (GTK_OBJECT (clist->column[column].button), "event", (GtkSignalFunc) column_title_passive_func, NULL); GTK_WIDGET_UNSET_FLAGS (clist->column[column].button, GTK_CAN_FOCUS); if (GTK_WIDGET_VISIBLE (clist)) gtk_widget_queue_draw (clist->column[column].button); } void eth_clist_column_titles_active (EthCList *clist) { gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (!ETH_CLIST_SHOW_TITLES(clist)) return; for (i = 0; i < clist->columns; i++) eth_clist_column_title_active (clist, i); } void eth_clist_column_titles_passive (EthCList *clist) { gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (!ETH_CLIST_SHOW_TITLES(clist)) return; for (i = 0; i < clist->columns; i++) eth_clist_column_title_passive (clist, i); } void eth_clist_set_column_title (EthCList *clist, gint column, const gchar *title) { gint new_button = 0; GtkWidget *old_widget; GtkWidget *alignment = NULL; GtkWidget *label; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; /* if the column button doesn't currently exist, * it has to be created first */ if (!clist->column[column].button) { column_button_create (clist, column); new_button = 1; } column_title_new (clist, column, title); /* remove and destroy the old widget */ old_widget = GTK_BIN (clist->column[column].button)->child; if (old_widget) gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget); /* create new alignment based no column justification */ switch (clist->column[column].justification) { case GTK_JUSTIFY_LEFT: alignment = gtk_alignment_new (0.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_RIGHT: alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_CENTER: alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_FILL: alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); break; } gtk_widget_push_composite_child (); label = gtk_label_new (clist->column[column].title); gtk_widget_pop_composite_child (); gtk_container_add (GTK_CONTAINER (alignment), label); gtk_container_add (GTK_CONTAINER (clist->column[column].button), alignment); gtk_widget_show (label); gtk_widget_show (alignment); /* if this button didn't previously exist, then the * column button positions have to be re-computed */ if (GTK_WIDGET_VISIBLE (clist) && new_button) size_allocate_title_buttons (clist); } gchar * eth_clist_get_column_title (EthCList *clist, gint column) { g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); if (column < 0 || column >= clist->columns) return NULL; return clist->column[column].title; } void eth_clist_set_column_widget (EthCList *clist, gint column, GtkWidget *widget) { gint new_button = 0; GtkWidget *old_widget; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; /* if the column button doesn't currently exist, * it has to be created first */ if (!clist->column[column].button) { column_button_create (clist, column); new_button = 1; } column_title_new (clist, column, NULL); /* remove and destroy the old widget */ old_widget = GTK_BIN (clist->column[column].button)->child; if (old_widget) gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget); /* add and show the widget */ if (widget) { gtk_container_add (GTK_CONTAINER (clist->column[column].button), widget); gtk_widget_show (widget); } /* if this button didn't previously exist, then the * column button positions have to be re-computed */ if (GTK_WIDGET_VISIBLE (clist) && new_button) size_allocate_title_buttons (clist); } GtkWidget * eth_clist_get_column_widget (EthCList *clist, gint column) { g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); if (column < 0 || column >= clist->columns) return NULL; if (clist->column[column].button) return GTK_BUTTON (clist->column[column].button)->child; return NULL; } void eth_clist_set_column_justification (EthCList *clist, gint column, GtkJustification justification) { GtkWidget *alignment; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; clist->column[column].justification = justification; /* change the alinment of the button title if it's not a * custom widget */ if (clist->column[column].title) { alignment = GTK_BIN (clist->column[column].button)->child; switch (clist->column[column].justification) { case GTK_JUSTIFY_LEFT: gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_RIGHT: gtk_alignment_set (GTK_ALIGNMENT (alignment), 1.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_CENTER: gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_FILL: gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0); break; default: break; } } if (CLIST_UNFROZEN (clist)) draw_rows (clist, NULL); } void eth_clist_set_column_visibility (EthCList *clist, gint column, gboolean visible) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].visible == visible) return; /* don't hide last visible column */ if (!visible) { gint i; gint vis_columns = 0; for (i = 0, vis_columns = 0; i < clist->columns && vis_columns < 2; i++) if (clist->column[i].visible) vis_columns++; if (vis_columns < 2) return; } clist->column[column].visible = visible; if (clist->column[column].button) { if (visible) gtk_widget_show (clist->column[column].button); else gtk_widget_hide (clist->column[column].button); } gtk_widget_queue_resize (GTK_WIDGET(clist)); } void eth_clist_set_column_resizeable (EthCList *clist, gint column, gboolean resizeable) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].resizeable == resizeable) return; clist->column[column].resizeable = resizeable; if (resizeable) clist->column[column].auto_resize = FALSE; if (GTK_WIDGET_VISIBLE (clist)) size_allocate_title_buttons (clist); } void eth_clist_set_column_auto_resize (EthCList *clist, gint column, gboolean auto_resize) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].auto_resize == auto_resize) return; clist->column[column].auto_resize = auto_resize; if (auto_resize) { clist->column[column].resizeable = FALSE; if (!ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) { gint width; /* cap the auto-rezised width to something reasonable */ width = MIN(eth_clist_optimal_column_width (clist, column), MAX_COLUMN_AUTOSIZE_WIDTH); eth_clist_set_column_width (clist, column, width); } } if (GTK_WIDGET_VISIBLE (clist)) size_allocate_title_buttons (clist); } gint eth_clist_columns_autosize (EthCList *clist) { gint i; gint width; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); eth_clist_freeze (clist); width = 0; for (i = 0; i < clist->columns; i++) { eth_clist_set_column_width (clist, i, eth_clist_optimal_column_width (clist, i)); width += clist->column[i].width; } eth_clist_thaw (clist); return width; } gint eth_clist_optimal_column_width (EthCList *clist, gint column) { GtkRequisition requisition; GList *list; gint width; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_CLIST (clist), 0); if (column < 0 || column > clist->columns) return 0; if (ETH_CLIST_SHOW_TITLES(clist) && clist->column[column].button) width = (clist->column[column].button->requisition.width) #if 0 (CELL_SPACING + (2 * COLUMN_INSET))) #endif ; else width = 0; for (list = clist->row_list; list; list = list->next) { ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, ETH_CLIST_ROW (list), column, &requisition); width = MAX (width, requisition.width); } return width; } void eth_clist_set_column_width (EthCList *clist, gint column, gint width) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[RESIZE_COLUMN], column, width); } void eth_clist_set_column_min_width (EthCList *clist, gint column, gint min_width) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].min_width == min_width) return; if (clist->column[column].max_width >= 0 && clist->column[column].max_width < min_width) clist->column[column].min_width = clist->column[column].max_width; else clist->column[column].min_width = min_width; if (clist->column[column].area.width < clist->column[column].min_width) eth_clist_set_column_width (clist, column,clist->column[column].min_width); } void eth_clist_set_column_max_width (EthCList *clist, gint column, gint max_width) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].max_width == max_width) return; if (clist->column[column].min_width >= 0 && max_width >= 0 && clist->column[column].min_width > max_width) clist->column[column].max_width = clist->column[column].min_width; else clist->column[column].max_width = max_width; if (clist->column[column].area.width > clist->column[column].max_width) eth_clist_set_column_width (clist, column,clist->column[column].max_width); } /* PRIVATE COLUMN FUNCTIONS * column_auto_resize * real_resize_column * abort_column_resize * size_allocate_title_buttons * size_allocate_columns * list_requisition_width * new_column_width * column_button_create * column_button_clicked * column_title_passive_func */ static void column_auto_resize (EthCList *clist, EthCListRow *clist_row, gint column, gint old_width) { /* resize column if needed for auto_resize */ GtkRequisition requisition; if (!clist->column[column].auto_resize || ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) return; if (clist_row) ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, column, &requisition); else requisition.width = 0; if (requisition.width > clist->column[column].width) eth_clist_set_column_width (clist, column, requisition.width); else if (requisition.width < old_width && old_width == clist->column[column].width) { GList *list; gint new_width = 0; /* run a "eth_clist_optimal_column_width" but break, if * the column doesn't shrink */ if (ETH_CLIST_SHOW_TITLES(clist) && clist->column[column].button) new_width = (clist->column[column].button->requisition.width - (CELL_SPACING + (2 * COLUMN_INSET))); else new_width = 0; for (list = clist->row_list; list; list = list->next) { ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, ETH_CLIST_ROW (list), column, &requisition); new_width = MAX (new_width, requisition.width); if (new_width == clist->column[column].width) break; } if (new_width < clist->column[column].width) eth_clist_set_column_width (clist, column, MAX (new_width, clist->column[column].min_width)); } } static void real_resize_column (EthCList *clist, gint column, gint width) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (width < MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width)) width = MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width); if (clist->column[column].max_width >= 0 && width > clist->column[column].max_width) width = clist->column[column].max_width; clist->column[column].width = width; clist->column[column].width_set = TRUE; /* FIXME: this is quite expensive to do if the widget hasn't * been size_allocated yet, and pointless. Should * a flag be kept */ size_allocate_columns (clist, TRUE); size_allocate_title_buttons (clist); CLIST_REFRESH (clist); } static void abort_column_resize (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (!ETH_CLIST_IN_DRAG(clist)) return; ETH_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG); gtk_grab_remove (GTK_WIDGET (clist)); gdk_pointer_ungrab (GDK_CURRENT_TIME); clist->drag_pos = -1; if (clist->x_drag >= 0 && clist->x_drag <= clist->clist_window_width - 1) draw_xor_line (clist); if (ETH_CLIST_ADD_MODE(clist)) { gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0,0); gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2); } } static void size_allocate_title_buttons (EthCList *clist) { GtkAllocation button_allocation; gint last_column; gint last_button = 0; gint i; if (!GTK_WIDGET_REALIZED (clist)) return; button_allocation.x = clist->hoffset; button_allocation.y = 0; button_allocation.width = 0; button_allocation.height = clist->column_title_area.height; /* find last visible column */ for (last_column = clist->columns - 1; last_column >= 0; last_column--) if (clist->column[last_column].visible) break; for (i = 0; i < last_column; i++) { if (!clist->column[i].visible) { last_button = i + 1; gdk_window_hide (clist->column[i].window); continue; } button_allocation.width += (clist->column[i].area.width + CELL_SPACING + 2 * COLUMN_INSET); if (!clist->column[i + 1].button) { gdk_window_hide (clist->column[i].window); continue; } gtk_widget_size_allocate (clist->column[last_button].button, &button_allocation); button_allocation.x += button_allocation.width; button_allocation.width = 0; if (clist->column[last_button].resizeable) { gdk_window_show (clist->column[last_button].window); gdk_window_move_resize (clist->column[last_button].window, button_allocation.x - (DRAG_WIDTH / 2), 0, DRAG_WIDTH, clist->column_title_area.height); } else gdk_window_hide (clist->column[last_button].window); last_button = i + 1; } button_allocation.width += (clist->column[last_column].area.width + 2 * (CELL_SPACING + COLUMN_INSET)); gtk_widget_size_allocate (clist->column[last_button].button, &button_allocation); if (clist->column[last_button].resizeable) { button_allocation.x += button_allocation.width; gdk_window_show (clist->column[last_button].window); gdk_window_move_resize (clist->column[last_button].window, button_allocation.x - (DRAG_WIDTH / 2), 0, DRAG_WIDTH, clist->column_title_area.height); } else gdk_window_hide (clist->column[last_button].window); } static void size_allocate_columns (EthCList *clist, gboolean block_resize) { gint xoffset = CELL_SPACING + COLUMN_INSET; gint last_column; gint i; /* find last visible column and calculate correct column width */ for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--); if (last_column < 0) return; for (i = 0; i <= last_column; i++) { if (!clist->column[i].visible) continue; clist->column[i].area.x = xoffset; if (clist->column[i].width_set) { if (!block_resize && ETH_CLIST_SHOW_TITLES(clist) && clist->column[i].auto_resize && clist->column[i].button) { gint width; width = (clist->column[i].button->requisition.width - (CELL_SPACING + (2 * COLUMN_INSET))); if (width > clist->column[i].width) eth_clist_set_column_width (clist, i, width); } clist->column[i].area.width = clist->column[i].width; xoffset += clist->column[i].width + CELL_SPACING + (2* COLUMN_INSET); } else if (ETH_CLIST_SHOW_TITLES(clist) && clist->column[i].button) { clist->column[i].area.width = clist->column[i].button->requisition.width - (CELL_SPACING + (2 * COLUMN_INSET)); xoffset += clist->column[i].button->requisition.width; } } clist->column[last_column].area.width = clist->column[last_column].area.width + MAX (0, clist->clist_window_width + COLUMN_INSET - xoffset); } static gint list_requisition_width (EthCList *clist) { gint width = CELL_SPACING; gint i; for (i = clist->columns - 1; i >= 0; i--) { if (!clist->column[i].visible) continue; if (clist->column[i].width_set) width += clist->column[i].width + CELL_SPACING + (2 * COLUMN_INSET); else if (ETH_CLIST_SHOW_TITLES(clist) && clist->column[i].button) width += clist->column[i].button->requisition.width; } return width; } /* this function returns the new width of the column being resized given * the column and x position of the cursor; the x cursor position is passed * in as a pointer and automagicly corrected if it's beyond min/max limits */ static gint new_column_width (EthCList *clist, gint column, gint *x) { gint xthickness = GTK_WIDGET (clist)->style->klass->xthickness; gint width; gint cx; gint dx; gint last_column; /* first translate the x position from widget->window * to clist->clist_window */ cx = *x - xthickness; for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--); /* calculate new column width making sure it doesn't end up * less than the minimum width */ dx = (COLUMN_LEFT_XPIXEL (clist, column) + COLUMN_INSET + (column < last_column) * CELL_SPACING); width = cx - dx; if (width < MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width)) { width = MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width); cx = dx + width; *x = cx + xthickness; } else if (clist->column[column].max_width >= COLUMN_MIN_WIDTH && width > clist->column[column].max_width) { width = clist->column[column].max_width; cx = dx + clist->column[column].max_width; *x = cx + xthickness; } if (cx < 0 || cx > clist->clist_window_width) *x = -1; return width; } static void column_button_create (EthCList *clist, gint column) { GtkWidget *button; gtk_widget_push_composite_child (); button = clist->column[column].button = gtk_button_new (); gtk_widget_pop_composite_child (); if (GTK_WIDGET_REALIZED (clist) && clist->title_window) gtk_widget_set_parent_window (clist->column[column].button, clist->title_window); gtk_widget_set_parent (button, GTK_WIDGET (clist)); gtk_signal_connect (GTK_OBJECT (button), "clicked", (GtkSignalFunc) column_button_clicked, (gpointer) clist); gtk_widget_show (button); } static void column_button_clicked (GtkWidget *widget, gpointer data) { gint i; EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (data)); clist = ETH_CLIST (data); /* find the column who's button was pressed */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button == widget) break; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[CLICK_COLUMN], i); } static gint column_title_passive_func (GtkWidget *widget _U_, GdkEvent *event, gpointer data _U_) { g_return_val_if_fail (event != NULL, FALSE); switch (event->type) { case GDK_MOTION_NOTIFY: case GDK_BUTTON_PRESS: case GDK_2BUTTON_PRESS: case GDK_3BUTTON_PRESS: case GDK_BUTTON_RELEASE: case GDK_ENTER_NOTIFY: case GDK_LEAVE_NOTIFY: return TRUE; default: break; } return FALSE; } /* PUBLIC CELL FUNCTIONS * eth_clist_get_cell_type * eth_clist_set_text * eth_clist_get_text * eth_clist_set_pixmap * eth_clist_get_pixmap * eth_clist_set_pixtext * eth_clist_get_pixtext * eth_clist_set_shift */ EthCellType eth_clist_get_cell_type (EthCList *clist, gint row, gint column) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (ETH_IS_CLIST (clist), -1); if (row < 0 || row >= clist->rows) return -1; if (column < 0 || column >= clist->columns) return -1; clist_row = ROW_ELEMENT (clist, row)->data; return clist_row->cell[column].type; } void eth_clist_set_text (EthCList *clist, gint row, gint column, const gchar *text) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = ROW_ELEMENT (clist, row)->data; /* if text is null, then the cell is empty */ ETH_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, column, ETH_CELL_TEXT, text, 0, NULL, NULL); /* redraw the list if it's not frozen */ if (CLIST_UNFROZEN (clist)) { if (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } gint eth_clist_get_text (EthCList *clist, gint row, gint column, gchar **text) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return 0; if (column < 0 || column >= clist->columns) return 0; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->cell[column].type != ETH_CELL_TEXT) return 0; if (text) *text = ETH_CELL_TEXT (clist_row->cell[column])->text; return 1; } void eth_clist_set_pixmap (EthCList *clist, gint row, gint column, GdkPixmap *pixmap, GdkBitmap *mask) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = ROW_ELEMENT (clist, row)->data; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); ETH_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, column, ETH_CELL_PIXMAP, NULL, 0, pixmap, mask); /* redraw the list if it's not frozen */ if (CLIST_UNFROZEN (clist)) { if (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } gint eth_clist_get_pixmap (EthCList *clist, gint row, gint column, GdkPixmap **pixmap, GdkBitmap **mask) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return 0; if (column < 0 || column >= clist->columns) return 0; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->cell[column].type != ETH_CELL_PIXMAP) return 0; if (pixmap) { *pixmap = ETH_CELL_PIXMAP (clist_row->cell[column])->pixmap; /* mask can be NULL */ *mask = ETH_CELL_PIXMAP (clist_row->cell[column])->mask; } return 1; } void eth_clist_set_pixtext (EthCList *clist, gint row, gint column, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = ROW_ELEMENT (clist, row)->data; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); ETH_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, column, ETH_CELL_PIXTEXT, text, spacing, pixmap, mask); /* redraw the list if it's not frozen */ if (CLIST_UNFROZEN (clist)) { if (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } gint eth_clist_get_pixtext (EthCList *clist, gint row, gint column, gchar **text, guint8 *spacing, GdkPixmap **pixmap, GdkBitmap **mask) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return 0; if (column < 0 || column >= clist->columns) return 0; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->cell[column].type != ETH_CELL_PIXTEXT) return 0; if (text) *text = ETH_CELL_PIXTEXT (clist_row->cell[column])->text; if (spacing) *spacing = ETH_CELL_PIXTEXT (clist_row->cell[column])->spacing; if (pixmap) *pixmap = ETH_CELL_PIXTEXT (clist_row->cell[column])->pixmap; /* mask can be NULL */ *mask = ETH_CELL_PIXTEXT (clist_row->cell[column])->mask; return 1; } void eth_clist_set_shift (EthCList *clist, gint row, gint column, gint vertical, gint horizontal) { GtkRequisition requisition = { 0, 0 }; EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = ROW_ELEMENT (clist, row)->data; if (clist->column[column].auto_resize && !ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, column, &requisition); clist_row->cell[column].vertical = vertical; clist_row->cell[column].horizontal = horizontal; column_auto_resize (clist, clist_row, column, requisition.width); if (CLIST_UNFROZEN (clist) && eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } /* PRIVATE CELL FUNCTIONS * set_cell_contents * cell_size_request */ static void set_cell_contents (EthCList *clist, EthCListRow *clist_row, gint column, EthCellType type, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { GtkRequisition requisition; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); g_return_if_fail (clist_row != NULL); if (clist->column[column].auto_resize && !ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, column, &requisition); switch (clist_row->cell[column].type) { case ETH_CELL_EMPTY: break; case ETH_CELL_TEXT: g_free (ETH_CELL_TEXT (clist_row->cell[column])->text); break; case ETH_CELL_PIXMAP: gdk_pixmap_unref (ETH_CELL_PIXMAP (clist_row->cell[column])->pixmap); if (ETH_CELL_PIXMAP (clist_row->cell[column])->mask) gdk_bitmap_unref (ETH_CELL_PIXMAP (clist_row->cell[column])->mask); break; case ETH_CELL_PIXTEXT: g_free (ETH_CELL_PIXTEXT (clist_row->cell[column])->text); gdk_pixmap_unref (ETH_CELL_PIXTEXT (clist_row->cell[column])->pixmap); if (ETH_CELL_PIXTEXT (clist_row->cell[column])->mask) gdk_bitmap_unref (ETH_CELL_PIXTEXT (clist_row->cell[column])->mask); break; case ETH_CELL_WIDGET: /* unimplimented */ break; default: break; } clist_row->cell[column].type = ETH_CELL_EMPTY; switch (type) { case ETH_CELL_TEXT: if (text) { clist_row->cell[column].type = ETH_CELL_TEXT; ETH_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text); } break; case ETH_CELL_PIXMAP: if (pixmap) { clist_row->cell[column].type = ETH_CELL_PIXMAP; ETH_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap; /* We set the mask even if it is NULL */ ETH_CELL_PIXMAP (clist_row->cell[column])->mask = mask; } break; case ETH_CELL_PIXTEXT: if (text && pixmap) { clist_row->cell[column].type = ETH_CELL_PIXTEXT; ETH_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text); ETH_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing; ETH_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap; ETH_CELL_PIXTEXT (clist_row->cell[column])->mask = mask; } break; default: break; } if (clist->column[column].auto_resize && !ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) column_auto_resize (clist, clist_row, column, requisition.width); } static void cell_size_request (EthCList *clist, EthCListRow *clist_row, gint column, GtkRequisition *requisition) { GtkStyle *style; gint width; gint height; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); g_return_if_fail (requisition != NULL); get_cell_style (clist, clist_row, GTK_STATE_NORMAL, column, &style, NULL, NULL); switch (clist_row->cell[column].type) { case ETH_CELL_TEXT: requisition->width = gdk_string_width (style->font, ETH_CELL_TEXT (clist_row->cell[column])->text); requisition->height = style->font->ascent + style->font->descent; break; case ETH_CELL_PIXTEXT: gdk_window_get_size (ETH_CELL_PIXTEXT (clist_row->cell[column])->pixmap, &width, &height); requisition->width = width + ETH_CELL_PIXTEXT (clist_row->cell[column])->spacing + gdk_string_width (style->font, ETH_CELL_TEXT (clist_row->cell[column])->text); requisition->height = MAX (style->font->ascent + style->font->descent, height); break; case ETH_CELL_PIXMAP: gdk_window_get_size (ETH_CELL_PIXMAP (clist_row->cell[column])->pixmap, &width, &height); requisition->width = width; requisition->height = height; break; default: requisition->width = 0; requisition->height = 0; break; } requisition->width += clist_row->cell[column].horizontal; requisition->height += clist_row->cell[column].vertical; } /* PUBLIC INSERT/REMOVE ROW FUNCTIONS * eth_clist_prepend * eth_clist_append * eth_clist_insert * eth_clist_remove * eth_clist_clear */ gint eth_clist_prepend (EthCList *clist, gchar *text[]) { g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (ETH_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); return ETH_CLIST_CLASS_FW (clist)->insert_row (clist, 0, text); } gint eth_clist_append (EthCList *clist, gchar *text[]) { g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (ETH_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); return ETH_CLIST_CLASS_FW (clist)->insert_row (clist, clist->rows, text); } gint eth_clist_insert (EthCList *clist, gint row, gchar *text[]) { g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (ETH_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); if (row < 0 || row > clist->rows) row = clist->rows; return ETH_CLIST_CLASS_FW (clist)->insert_row (clist, row, text); } void eth_clist_remove (EthCList *clist, gint row) { ETH_CLIST_CLASS_FW (clist)->remove_row (clist, row); } void eth_clist_clear (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); ETH_CLIST_CLASS_FW (clist)->clear (clist); } /* PRIVATE INSERT/REMOVE ROW FUNCTIONS * real_insert_row * real_remove_row * real_clear * real_row_move */ static gint real_insert_row (EthCList *clist, gint row, gchar *text[]) { gint i; EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (ETH_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); /* return if out of bounds */ if (row < 0 || row > clist->rows) return -1; /* create the row */ clist_row = row_new (clist); /* set the text in the row's columns */ for (i = 0; i < clist->columns; i++) if (text[i]) ETH_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, i, ETH_CELL_TEXT, text[i], 0, NULL ,NULL); if (!clist->rows) { clist->row_list = g_list_append (clist->row_list, clist_row); clist->row_list_end = clist->row_list; } else { if (ETH_CLIST_AUTO_SORT(clist)) /* override insertion pos */ { GList *work; row = 0; work = clist->row_list; if (clist->sort_type == GTK_SORT_ASCENDING) { while (row < clist->rows && clist->compare (clist, clist_row, ETH_CLIST_ROW (work)) > 0) { row++; work = work->next; } } else { while (row < clist->rows && clist->compare (clist, clist_row, ETH_CLIST_ROW (work)) < 0) { row++; work = work->next; } } } /* reset the row end pointer if we're inserting at the end of the list */ if (row == clist->rows) clist->row_list_end = (g_list_append (clist->row_list_end, clist_row))->next; else clist->row_list = g_list_insert (clist->row_list, clist_row, row); } clist->rows++; if (row < ROW_FROM_YPIXEL (clist, 0)) clist->voffset -= (clist->row_height + CELL_SPACING); /* syncronize the selection list */ sync_selection (clist, row, SYNC_INSERT); if (clist->rows == 1) { clist->focus_row = 0; if (clist->selection_mode == GTK_SELECTION_BROWSE) eth_clist_select_row (clist, 0, -1); } /* redraw the list if it isn't frozen */ if (CLIST_UNFROZEN (clist)) { adjust_adjustments (clist, FALSE); if (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) draw_rows (clist, NULL); } return row; } static void real_remove_row (EthCList *clist, gint row) { gint was_visible, was_selected; GList *list; EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); /* return if out of bounds */ if (row < 0 || row > (clist->rows - 1)) return; was_visible = (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE); was_selected = 0; /* get the row we're going to delete */ list = ROW_ELEMENT (clist, row); g_assert (list != NULL); clist_row = list->data; /* if we're removing a selected row, we have to make sure * it's properly unselected, and then sync up the clist->selected * list to reflect the deincrimented indexies of rows after the * removal */ if (clist_row->state == GTK_STATE_SELECTED) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], row, -1, NULL); /* reset the row end pointer if we're removing at the end of the list */ clist->rows--; if (clist->row_list == list) clist->row_list = g_list_next (list); if (clist->row_list_end == list) clist->row_list_end = g_list_previous (list); g_list_remove (list, clist_row); /*if (clist->focus_row >=0 && (row <= clist->focus_row || clist->focus_row >= clist->rows)) clist->focus_row--;*/ if (row < ROW_FROM_YPIXEL (clist, 0)) clist->voffset += clist->row_height + CELL_SPACING; sync_selection (clist, row, SYNC_REMOVE); if (clist->selection_mode == GTK_SELECTION_BROWSE && !clist->selection && clist->focus_row >= 0) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, NULL); /* toast the row */ row_delete (clist, clist_row); /* redraw the row if it isn't frozen */ if (CLIST_UNFROZEN (clist)) { adjust_adjustments (clist, FALSE); if (was_visible) draw_rows (clist, NULL); } } static void real_clear (EthCList *clist) { GList *list; GList *free_list; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); /* free up the selection list */ g_list_free (clist->selection); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->selection = NULL; clist->selection_end = NULL; clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->voffset = 0; clist->focus_row = -1; clist->anchor = -1; clist->undo_anchor = -1; clist->anchor_state = GTK_STATE_SELECTED; clist->drag_pos = -1; /* remove all the rows */ ETH_CLIST_SET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); free_list = clist->row_list; clist->row_list = NULL; clist->row_list_end = NULL; clist->rows = 0; for (list = free_list; list; list = list->next) row_delete (clist, ETH_CLIST_ROW (list)); g_list_free (free_list); ETH_CLIST_UNSET_FLAG (clist, CLIST_AUTO_RESIZE_BLOCKED); for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) { if (ETH_CLIST_SHOW_TITLES(clist) && clist->column[i].button) eth_clist_set_column_width (clist, i, (clist->column[i].button->requisition.width - (CELL_SPACING + (2 * COLUMN_INSET)))); else eth_clist_set_column_width (clist, i, 0); } /* zero-out the scrollbars */ if (clist->vadjustment) { gtk_adjustment_set_value (clist->vadjustment, 0.0); CLIST_REFRESH (clist); } else gtk_widget_queue_resize (GTK_WIDGET (clist)); } static void real_row_move (EthCList *clist, gint source_row, gint dest_row) { EthCListRow *clist_row; GList *list; gint first, last; gint d; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (ETH_CLIST_AUTO_SORT(clist)) return; if (source_row < 0 || source_row >= clist->rows || dest_row < 0 || dest_row >= clist->rows || source_row == dest_row) return; eth_clist_freeze (clist); /* unlink source row */ clist_row = ROW_ELEMENT (clist, source_row)->data; if (source_row == clist->rows - 1) clist->row_list_end = clist->row_list_end->prev; clist->row_list = g_list_remove (clist->row_list, clist_row); clist->rows--; /* relink source row */ clist->row_list = g_list_insert (clist->row_list, clist_row, dest_row); if (dest_row == clist->rows) clist->row_list_end = clist->row_list_end->next; clist->rows++; /* sync selection */ if (source_row > dest_row) { first = dest_row; last = source_row; d = 1; } else { first = source_row; last = dest_row; d = -1; } for (list = clist->selection; list; list = list->next) { if (list->data == GINT_TO_POINTER (source_row)) list->data = GINT_TO_POINTER (dest_row); else if (first <= GPOINTER_TO_INT (list->data) && last >= GPOINTER_TO_INT (list->data)) list->data = GINT_TO_POINTER (GPOINTER_TO_INT (list->data) + d); } if (clist->focus_row == source_row) clist->focus_row = dest_row; else if (clist->focus_row > first) clist->focus_row += d; eth_clist_thaw (clist); } /* PUBLIC ROW FUNCTIONS * eth_clist_moveto * eth_clist_set_row_height * eth_clist_set_row_data * eth_clist_set_row_data_full * eth_clist_get_row_data * eth_clist_find_row_from_data * eth_clist_swap_rows * eth_clist_row_move * eth_clist_row_is_visible * eth_clist_set_foreground * eth_clist_set_background */ void eth_clist_moveto (EthCList *clist, gint row, gint column, gfloat row_align, gfloat col_align) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < -1 || row >= clist->rows) return; if (column < -1 || column >= clist->columns) return; row_align = CLAMP (row_align, 0, 1); col_align = CLAMP (col_align, 0, 1); /* adjust horizontal scrollbar */ if (clist->hadjustment && column >= 0) { gint x; x = (COLUMN_LEFT (clist, column) - CELL_SPACING - COLUMN_INSET - (col_align * (clist->clist_window_width - 2 * COLUMN_INSET - CELL_SPACING - clist->column[column].area.width))); if (x < 0) gtk_adjustment_set_value (clist->hadjustment, 0.0); else if (x > LIST_WIDTH (clist) - clist->clist_window_width) gtk_adjustment_set_value (clist->hadjustment, LIST_WIDTH (clist) - clist->clist_window_width); else gtk_adjustment_set_value (clist->hadjustment, x); } /* adjust vertical scrollbar */ if (clist->vadjustment && row >= 0) move_vertical (clist, row, row_align); } void eth_clist_set_row_height (EthCList *clist, guint height) { GtkWidget *widget; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); widget = GTK_WIDGET (clist); if (height > 0) { clist->row_height = height; ETH_CLIST_SET_FLAG (clist, CLIST_ROW_HEIGHT_SET); } else { ETH_CLIST_UNSET_FLAG (clist, CLIST_ROW_HEIGHT_SET); clist->row_height = 0; } if (GTK_WIDGET_REALIZED (clist)) { if (!ETH_CLIST_ROW_HEIGHT_SET(clist)) { clist->row_height = (widget->style->font->ascent + widget->style->font->descent + 1); clist->row_center_offset = widget->style->font->ascent + 1.5; } else clist->row_center_offset = 1.5 + (clist->row_height + widget->style->font->ascent - widget->style->font->descent - 1) / 2; } CLIST_REFRESH (clist); } void eth_clist_set_row_data (EthCList *clist, gint row, gpointer data) { eth_clist_set_row_data_full (clist, row, data, NULL); } void eth_clist_set_row_data_full (EthCList *clist, gint row, gpointer data, GtkDestroyNotify destroy) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row > (clist->rows - 1)) return; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->destroy) clist_row->destroy (clist_row->data); clist_row->data = data; clist_row->destroy = destroy; } gpointer eth_clist_get_row_data (EthCList *clist, gint row) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); if (row < 0 || row > (clist->rows - 1)) return NULL; clist_row = ROW_ELEMENT (clist, row)->data; return clist_row->data; } gint eth_clist_find_row_from_data (EthCList *clist, gpointer data) { GList *list; gint n; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (ETH_IS_CLIST (clist), -1); for (n = 0, list = clist->row_list; list; n++, list = list->next) if (ETH_CLIST_ROW (list)->data == data) return n; return -1; } void eth_clist_swap_rows (EthCList *clist, gint row1, gint row2) { gint first, last; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); g_return_if_fail (row1 != row2); if (ETH_CLIST_AUTO_SORT(clist)) return; eth_clist_freeze (clist); first = MIN (row1, row2); last = MAX (row1, row2); eth_clist_row_move (clist, last, first); eth_clist_row_move (clist, first + 1, last); eth_clist_thaw (clist); } void eth_clist_row_move (EthCList *clist, gint source_row, gint dest_row) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (ETH_CLIST_AUTO_SORT(clist)) return; if (source_row < 0 || source_row >= clist->rows || dest_row < 0 || dest_row >= clist->rows || source_row == dest_row) return; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[ROW_MOVE], source_row, dest_row); } GtkVisibility eth_clist_row_is_visible (EthCList *clist, gint row) { gint top; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return GTK_VISIBILITY_NONE; if (clist->row_height == 0) return GTK_VISIBILITY_NONE; if (row < ROW_FROM_YPIXEL (clist, 0)) return GTK_VISIBILITY_NONE; if (row > ROW_FROM_YPIXEL (clist, clist->clist_window_height)) return GTK_VISIBILITY_NONE; top = ROW_TOP_YPIXEL (clist, row); if ((top < 0) || ((top + clist->row_height) >= clist->clist_window_height)) return GTK_VISIBILITY_PARTIAL; return GTK_VISIBILITY_FULL; } void eth_clist_set_foreground (EthCList *clist, gint row, GdkColor *color) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = ROW_ELEMENT (clist, row)->data; if (color) { clist_row->foreground = *color; clist_row->fg_set = TRUE; if (GTK_WIDGET_REALIZED (clist)) gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (clist)), &clist_row->foreground); } else clist_row->fg_set = FALSE; if (CLIST_UNFROZEN (clist) && eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } void eth_clist_set_background (EthCList *clist, gint row, GdkColor *color) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = ROW_ELEMENT (clist, row)->data; if (color) { clist_row->background = *color; clist_row->bg_set = TRUE; if (GTK_WIDGET_REALIZED (clist)) gdk_color_alloc (gtk_widget_get_colormap (GTK_WIDGET (clist)), &clist_row->background); } else clist_row->bg_set = FALSE; if (CLIST_UNFROZEN (clist) && (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } /* PUBLIC ROW/CELL STYLE FUNCTIONS * eth_clist_set_cell_style * eth_clist_get_cell_style * eth_clist_set_row_style * eth_clist_get_row_style */ void eth_clist_set_cell_style (EthCList *clist, gint row, gint column, GtkStyle *style) { GtkRequisition requisition = { 0, 0 }; EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->cell[column].style == style) return; if (clist->column[column].auto_resize && !ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, column, &requisition); if (clist_row->cell[column].style) { if (GTK_WIDGET_REALIZED (clist)) gtk_style_detach (clist_row->cell[column].style); gtk_style_unref (clist_row->cell[column].style); } clist_row->cell[column].style = style; if (clist_row->cell[column].style) { gtk_style_ref (clist_row->cell[column].style); if (GTK_WIDGET_REALIZED (clist)) clist_row->cell[column].style = gtk_style_attach (clist_row->cell[column].style, clist->clist_window); } column_auto_resize (clist, clist_row, column, requisition.width); /* redraw the list if it's not frozen */ if (CLIST_UNFROZEN (clist)) { if (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } GtkStyle * eth_clist_get_cell_style (EthCList *clist, gint row, gint column) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); if (row < 0 || row >= clist->rows || column < 0 || column >= clist->columns) return NULL; clist_row = ROW_ELEMENT (clist, row)->data; return clist_row->cell[column].style; } void eth_clist_set_row_style (EthCList *clist, gint row, GtkStyle *style) { GtkRequisition requisition; EthCListRow *clist_row; gint *old_width; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->style == style) return; old_width = g_new (gint, clist->columns); if (!ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) { for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) { ETH_CLIST_CLASS_FW (clist)->cell_size_request (clist, clist_row, i, &requisition); old_width[i] = requisition.width; } } if (clist_row->style) { if (GTK_WIDGET_REALIZED (clist)) gtk_style_detach (clist_row->style); gtk_style_unref (clist_row->style); } clist_row->style = style; if (clist_row->style) { gtk_style_ref (clist_row->style); if (GTK_WIDGET_REALIZED (clist)) clist_row->style = gtk_style_attach (clist_row->style, clist->clist_window); } if (ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) for (i = 0; i < clist->columns; i++) column_auto_resize (clist, clist_row, i, old_width[i]); g_free (old_width); /* redraw the list if it's not frozen */ if (CLIST_UNFROZEN (clist)) { if (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } GtkStyle * eth_clist_get_row_style (EthCList *clist, gint row) { EthCListRow *clist_row; g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (ETH_IS_CLIST (clist), NULL); if (row < 0 || row >= clist->rows) return NULL; clist_row = ROW_ELEMENT (clist, row)->data; return clist_row->style; } /* PUBLIC SELECTION FUNCTIONS * eth_clist_set_selectable * eth_clist_get_selectable * eth_clist_select_row * eth_clist_unselect_row * eth_clist_select_all * eth_clist_unselect_all * eth_clist_undo_selection */ void eth_clist_set_selectable (EthCList *clist, gint row, gboolean selectable) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = ROW_ELEMENT (clist, row)->data; if (selectable == clist_row->selectable) return; clist_row->selectable = selectable; if (!selectable && clist_row->state == GTK_STATE_SELECTED) { if (clist->anchor >= 0 && clist->selection_mode == GTK_SELECTION_EXTENDED) { clist->drag_button = 0; remove_grab (clist); ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); } gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], row, -1, NULL); } } gboolean eth_clist_get_selectable (EthCList *clist, gint row) { g_return_val_if_fail (clist != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (clist), FALSE); if (row < 0 || row >= clist->rows) return FALSE; return ETH_CLIST_ROW (ROW_ELEMENT (clist, row))->selectable; } void eth_clist_select_row (EthCList *clist, gint row, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < -1 || column >= clist->columns) return; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], row, column, NULL); } void eth_clist_unselect_row (EthCList *clist, gint row, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < -1 || column >= clist->columns) return; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], row, column, NULL); } void eth_clist_select_all (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); ETH_CLIST_CLASS_FW (clist)->select_all (clist); } void eth_clist_unselect_all (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); ETH_CLIST_CLASS_FW (clist)->unselect_all (clist); } void eth_clist_undo_selection (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (clist->selection_mode == GTK_SELECTION_EXTENDED && (clist->undo_selection || clist->undo_unselection)) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNDO_SELECTION]); } /* PRIVATE SELECTION FUNCTIONS * selection_find * toggle_row * fake_toggle_row * toggle_focus_row * toggle_add_mode * real_select_row * real_unselect_row * real_select_all * real_unselect_all * fake_unselect_all * real_undo_selection * set_anchor * resync_selection * update_extended_selection * start_selection * end_selection * extend_selection * sync_selection */ static GList * selection_find (EthCList *clist, gint row_number, GList *row_list_element _U_) { return g_list_find (clist->selection, GINT_TO_POINTER (row_number)); } static void toggle_row (EthCList *clist, gint row, gint column, GdkEvent *event) { EthCListRow *clist_row; switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_SINGLE: clist_row = ROW_ELEMENT (clist, row)->data; if (!clist_row) return; if (clist_row->state == GTK_STATE_SELECTED) { gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], row, column, event); return; } case GTK_SELECTION_BROWSE: gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], row, column, event); break; } } static void fake_toggle_row (EthCList *clist, gint row) { GList *work; work = ROW_ELEMENT (clist, row); if (!work || !ETH_CLIST_ROW (work)->selectable) return; if (ETH_CLIST_ROW (work)->state == GTK_STATE_NORMAL) clist->anchor_state = ETH_CLIST_ROW (work)->state = GTK_STATE_SELECTED; else clist->anchor_state = ETH_CLIST_ROW (work)->state = GTK_STATE_NORMAL; if (CLIST_UNFROZEN (clist) && eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, ETH_CLIST_ROW (work)); } static void toggle_focus_row (EthCList *clist) { g_return_if_fail (clist != 0); g_return_if_fail (ETH_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->focus_row < 0 || clist->focus_row >= clist->rows) return; switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: toggle_row (clist, clist->focus_row, 0, NULL); break; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = clist->focus_row; clist->drag_pos = clist->focus_row; clist->undo_anchor = clist->focus_row; if (ETH_CLIST_ADD_MODE(clist)) fake_toggle_row (clist, clist->focus_row); else ETH_CLIST_CLASS_FW (clist)->fake_unselect_all (clist,clist->focus_row); ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); break; default: break; } } static void toggle_add_mode (EthCList *clist) { g_return_if_fail (clist != 0); g_return_if_fail (ETH_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->selection_mode != GTK_SELECTION_EXTENDED) return; eth_clist_draw_focus (GTK_WIDGET (clist)); if (!ETH_CLIST_ADD_MODE(clist)) { ETH_CLIST_SET_FLAG (clist, CLIST_ADD_MODE); gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0, 0); gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2); } else { ETH_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE); gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); clist->anchor_state = GTK_STATE_SELECTED; } eth_clist_draw_focus (GTK_WIDGET (clist)); } static void real_select_row (EthCList *clist, gint row, gint column, GdkEvent *event) { EthCListRow *clist_row; GList *list; gint sel_row; gboolean row_selected; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row > (clist->rows - 1)) return; switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_BROWSE: row_selected = FALSE; list = clist->selection; while (list) { sel_row = GPOINTER_TO_INT (list->data); list = list->next; if (row == sel_row) row_selected = TRUE; else gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], sel_row, column, event); } if (row_selected) return; default: break; } clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->state != GTK_STATE_NORMAL || !clist_row->selectable) return; clist_row->state = GTK_STATE_SELECTED; if (!clist->selection) { clist->selection = g_list_append (clist->selection, GINT_TO_POINTER (row)); clist->selection_end = clist->selection; } else clist->selection_end = g_list_append (clist->selection_end, GINT_TO_POINTER (row))->next; if (CLIST_UNFROZEN (clist) && (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } static void real_unselect_row (EthCList *clist, gint row, gint column _U_, GdkEvent *event _U_) { EthCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (row < 0 || row > (clist->rows - 1)) return; clist_row = ROW_ELEMENT (clist, row)->data; if (clist_row->state == GTK_STATE_SELECTED) { clist_row->state = GTK_STATE_NORMAL; if (clist->selection_end && clist->selection_end->data == GINT_TO_POINTER (row)) clist->selection_end = clist->selection_end->prev; clist->selection = g_list_remove (clist->selection, GINT_TO_POINTER (row)); if (CLIST_UNFROZEN (clist) && (eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } static void real_select_all (EthCList *clist) { GList *list; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_BROWSE: return; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (clist->rows && ((EthCListRow *) (clist->row_list->data))->state != GTK_STATE_SELECTED) fake_toggle_row (clist, 0); clist->anchor_state = GTK_STATE_SELECTED; clist->anchor = 0; clist->drag_pos = 0; clist->undo_anchor = clist->focus_row; update_extended_selection (clist, clist->rows); ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); return; case GTK_SELECTION_MULTIPLE: for (i = 0, list = clist->row_list; list; i++, list = list->next) { if (((EthCListRow *)(list->data))->state == GTK_STATE_NORMAL) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], i, -1, NULL); } return; } } static void real_unselect_all (EthCList *clist) { GList *list; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (clist->selection_mode) { case GTK_SELECTION_BROWSE: if (clist->focus_row >= 0) { gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, NULL); return; } break; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = -1; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; break; default: break; } list = clist->selection; while (list) { i = GPOINTER_TO_INT (list->data); list = list->next; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], i, -1, NULL); } } static void fake_unselect_all (EthCList *clist, gint row) { GList *list; GList *work; gint i; if (row >= 0 && (work = ROW_ELEMENT (clist, row))) { if (ETH_CLIST_ROW (work)->state == GTK_STATE_NORMAL && ETH_CLIST_ROW (work)->selectable) { ETH_CLIST_ROW (work)->state = GTK_STATE_SELECTED; if (CLIST_UNFROZEN (clist) && eth_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, ETH_CLIST_ROW (work)); } } clist->undo_selection = clist->selection; clist->selection = NULL; clist->selection_end = NULL; for (list = clist->undo_selection; list; list = list->next) { if ((i = GPOINTER_TO_INT (list->data)) == row || !(work = g_list_nth (clist->row_list, i))) continue; ETH_CLIST_ROW (work)->state = GTK_STATE_NORMAL; if (CLIST_UNFROZEN (clist) && eth_clist_row_is_visible (clist, i) != GTK_VISIBILITY_NONE) ETH_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, i, ETH_CLIST_ROW (work)); } } static void real_undo_selection (EthCList *clist) { GList *work; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->selection_mode != GTK_SELECTION_EXTENDED) return; ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); if (!(clist->undo_selection || clist->undo_unselection)) { eth_clist_unselect_all (clist); return; } for (work = clist->undo_selection; work; work = work->next) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], GPOINTER_TO_INT (work->data), -1, NULL); for (work = clist->undo_unselection; work; work = work->next) { /* g_print ("unselect %d\n",GPOINTER_TO_INT (work->data)); */ gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], GPOINTER_TO_INT (work->data), -1, NULL); } if (GTK_WIDGET_HAS_FOCUS(clist) && clist->focus_row != clist->undo_anchor) { eth_clist_draw_focus (GTK_WIDGET (clist)); clist->focus_row = clist->undo_anchor; eth_clist_draw_focus (GTK_WIDGET (clist)); } else clist->focus_row = clist->undo_anchor; clist->undo_anchor = -1; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); } static void set_anchor (EthCList *clist, gboolean add_mode, gint anchor, gint undo_anchor) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (clist->selection_mode != GTK_SELECTION_EXTENDED || clist->anchor >= 0) return; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (add_mode) fake_toggle_row (clist, anchor); else { ETH_CLIST_CLASS_FW (clist)->fake_unselect_all (clist, anchor); clist->anchor_state = GTK_STATE_SELECTED; } clist->anchor = anchor; clist->drag_pos = anchor; clist->undo_anchor = undo_anchor; } static void resync_selection (EthCList *clist, GdkEvent *event) { gint i; gint e; gint row; GList *list; EthCListRow *clist_row; if (clist->selection_mode != GTK_SELECTION_EXTENDED) return; if (clist->anchor < 0 || clist->drag_pos < 0) return; eth_clist_freeze (clist); i = MIN (clist->anchor, clist->drag_pos); e = MAX (clist->anchor, clist->drag_pos); if (clist->undo_selection) { list = clist->selection; clist->selection = clist->undo_selection; clist->selection_end = g_list_last (clist->selection); clist->undo_selection = list; list = clist->selection; while (list) { row = GPOINTER_TO_INT (list->data); list = list->next; if (row < i || row > e) { clist_row = g_list_nth (clist->row_list, row)->data; if (clist_row->selectable) { clist_row->state = GTK_STATE_SELECTED; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], row, -1, event); clist->undo_selection = g_list_prepend (clist->undo_selection, GINT_TO_POINTER (row)); } } } } if (clist->anchor < clist->drag_pos) { for (list = g_list_nth (clist->row_list, i); i <= e; i++, list = list->next) if (ETH_CLIST_ROW (list)->selectable) { if (g_list_find (clist->selection, GINT_TO_POINTER(i))) { if (ETH_CLIST_ROW (list)->state == GTK_STATE_NORMAL) { ETH_CLIST_ROW (list)->state = GTK_STATE_SELECTED; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], i, -1, event); clist->undo_selection = g_list_prepend (clist->undo_selection, GINT_TO_POINTER (i)); } } else if (ETH_CLIST_ROW (list)->state == GTK_STATE_SELECTED) { ETH_CLIST_ROW (list)->state = GTK_STATE_NORMAL; clist->undo_unselection = g_list_prepend (clist->undo_unselection, GINT_TO_POINTER (i)); } } } else { for (list = g_list_nth (clist->row_list, e); i <= e; e--, list = list->prev) if (ETH_CLIST_ROW (list)->selectable) { if (g_list_find (clist->selection, GINT_TO_POINTER(e))) { if (ETH_CLIST_ROW (list)->state == GTK_STATE_NORMAL) { ETH_CLIST_ROW (list)->state = GTK_STATE_SELECTED; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], e, -1, event); clist->undo_selection = g_list_prepend (clist->undo_selection, GINT_TO_POINTER (e)); } } else if (ETH_CLIST_ROW (list)->state == GTK_STATE_SELECTED) { ETH_CLIST_ROW (list)->state = GTK_STATE_NORMAL; clist->undo_unselection = g_list_prepend (clist->undo_unselection, GINT_TO_POINTER (e)); } } } clist->undo_unselection = g_list_reverse (clist->undo_unselection); for (list = clist->undo_unselection; list; list = list->next) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], GPOINTER_TO_INT (list->data), -1, event); clist->anchor = -1; clist->drag_pos = -1; eth_clist_thaw (clist); } static void update_extended_selection (EthCList *clist, gint row) { gint i; GList *list; GdkRectangle area; gint s1 = -1; gint s2 = -1; gint e1 = -1; gint e2 = -1; gint y1 = clist->clist_window_height; gint y2 = clist->clist_window_height; gint h1 = 0; gint h2 = 0; gint top; if (clist->selection_mode != GTK_SELECTION_EXTENDED || clist->anchor == -1) return; if (row < 0) row = 0; if (row >= clist->rows) row = clist->rows - 1; /* extending downwards */ if (row > clist->drag_pos && clist->anchor <= clist->drag_pos) { s2 = clist->drag_pos + 1; e2 = row; } /* extending upwards */ else if (row < clist->drag_pos && clist->anchor >= clist->drag_pos) { s2 = row; e2 = clist->drag_pos - 1; } else if (row < clist->drag_pos && clist->anchor < clist->drag_pos) { e1 = clist->drag_pos; /* row and drag_pos on different sides of anchor : take back the selection between anchor and drag_pos, select between anchor and row */ if (row < clist->anchor) { s1 = clist->anchor + 1; s2 = row; e2 = clist->anchor - 1; } /* take back the selection between anchor and drag_pos */ else s1 = row + 1; } else if (row > clist->drag_pos && clist->anchor > clist->drag_pos) { s1 = clist->drag_pos; /* row and drag_pos on different sides of anchor : take back the selection between anchor and drag_pos, select between anchor and row */ if (row > clist->anchor) { e1 = clist->anchor - 1; s2 = clist->anchor + 1; e2 = row; } /* take back the selection between anchor and drag_pos */ else e1 = row - 1; } clist->drag_pos = row; area.x = 0; area.width = clist->clist_window_width; /* restore the elements between s1 and e1 */ if (s1 >= 0) { for (i = s1, list = g_list_nth (clist->row_list, i); i <= e1; i++, list = list->next) if (ETH_CLIST_ROW (list)->selectable) { if (ETH_CLIST_CLASS_FW (clist)->selection_find (clist, i, list)) ETH_CLIST_ROW (list)->state = GTK_STATE_SELECTED; else ETH_CLIST_ROW (list)->state = GTK_STATE_NORMAL; } top = ROW_TOP_YPIXEL (clist, clist->focus_row); if (top + clist->row_height <= 0) { area.y = 0; area.height = ROW_TOP_YPIXEL (clist, e1) + clist->row_height; draw_rows (clist, &area); eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); } else if (top >= clist->clist_window_height) { area.y = ROW_TOP_YPIXEL (clist, s1) - 1; area.height = clist->clist_window_height - area.y; draw_rows (clist, &area); eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); } else if (top < 0) eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); else if (top + clist->row_height > clist->clist_window_height) eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); y1 = ROW_TOP_YPIXEL (clist, s1) - 1; h1 = (e1 - s1 + 1) * (clist->row_height + CELL_SPACING); } /* extend the selection between s2 and e2 */ if (s2 >= 0) { for (i = s2, list = g_list_nth (clist->row_list, i); i <= e2; i++, list = list->next) if (ETH_CLIST_ROW (list)->selectable && ETH_CLIST_ROW (list)->state != clist->anchor_state) ETH_CLIST_ROW (list)->state = clist->anchor_state; top = ROW_TOP_YPIXEL (clist, clist->focus_row); if (top + clist->row_height <= 0) { area.y = 0; area.height = ROW_TOP_YPIXEL (clist, e2) + clist->row_height; draw_rows (clist, &area); eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); } else if (top >= clist->clist_window_height) { area.y = ROW_TOP_YPIXEL (clist, s2) - 1; area.height = clist->clist_window_height - area.y; draw_rows (clist, &area); eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); } else if (top < 0) eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); else if (top + clist->row_height > clist->clist_window_height) eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); y2 = ROW_TOP_YPIXEL (clist, s2) - 1; h2 = (e2 - s2 + 1) * (clist->row_height + CELL_SPACING); } area.y = MAX (0, MIN (y1, y2)); if (area.y > clist->clist_window_height) area.y = 0; area.height = MIN (clist->clist_window_height, h1 + h2); if (s1 >= 0 && s2 >= 0) area.height += (clist->row_height + CELL_SPACING); draw_rows (clist, &area); } static void start_selection (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; set_anchor (clist, ETH_CLIST_ADD_MODE(clist), clist->focus_row, clist->focus_row); } static void end_selection (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_FOCUS(clist)) return; ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); } static void extend_selection (EthCList *clist, GtkScrollType scroll_type, gfloat position, gboolean auto_start_selection) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->selection_mode != GTK_SELECTION_EXTENDED) return; if (auto_start_selection) set_anchor (clist, ETH_CLIST_ADD_MODE(clist), clist->focus_row, clist->focus_row); else if (clist->anchor == -1) return; move_focus_row (clist, scroll_type, position); if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); update_extended_selection (clist, clist->focus_row); } static void sync_selection (EthCList *clist, gint row, gint mode) { GList *list; gint d; if (mode == SYNC_INSERT) d = 1; else d = -1; if (clist->focus_row >= row) { if (d > 0 || clist->focus_row > row) clist->focus_row += d; if (clist->focus_row == -1 && clist->rows >= 1) clist->focus_row = 0; else if (clist->focus_row >= clist->rows) clist->focus_row = clist->rows - 1; } ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = -1; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; list = clist->selection; while (list) { if (GPOINTER_TO_INT (list->data) >= row) list->data = ((gchar*) list->data) + d; list = list->next; } } /* GTKOBJECT * eth_clist_destroy * eth_clist_finalize */ static void eth_clist_destroy (GtkObject *object) { gint i; EthCList *clist; g_return_if_fail (object != NULL); g_return_if_fail (ETH_IS_CLIST (object)); clist = ETH_CLIST (object); /* freeze the list */ clist->freeze_count++; /* get rid of all the rows */ eth_clist_clear (clist); /* Since we don't have a _remove method, unparent the children * instead of destroying them so the focus will be unset properly. * (For other containers, the _remove method takes care of the * unparent) The destroy will happen when the refcount drops * to zero. */ /* unref adjustments */ if (clist->hadjustment) { gtk_signal_disconnect_by_data (GTK_OBJECT (clist->hadjustment), clist); gtk_object_unref (GTK_OBJECT (clist->hadjustment)); clist->hadjustment = NULL; } if (clist->vadjustment) { gtk_signal_disconnect_by_data (GTK_OBJECT (clist->vadjustment), clist); gtk_object_unref (GTK_OBJECT (clist->vadjustment)); clist->vadjustment = NULL; } remove_grab (clist); /* destroy the column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) { gtk_widget_unparent (clist->column[i].button); clist->column[i].button = NULL; } if (GTK_OBJECT_CLASS (parent_class)->destroy) (*GTK_OBJECT_CLASS (parent_class)->destroy) (object); } static void eth_clist_finalize (GtkObject *object) { EthCList *clist; g_return_if_fail (object != NULL); g_return_if_fail (ETH_IS_CLIST (object)); clist = ETH_CLIST (object); columns_delete (clist); g_mem_chunk_destroy (clist->cell_mem_chunk); g_mem_chunk_destroy (clist->row_mem_chunk); if (GTK_OBJECT_CLASS (parent_class)->finalize) (*GTK_OBJECT_CLASS (parent_class)->finalize) (object); } /* GTKWIDGET * eth_clist_realize * eth_clist_unrealize * eth_clist_map * eth_clist_unmap * eth_clist_draw * eth_clist_expose * eth_clist_style_set * eth_clist_key_press * eth_clist_button_press * eth_clist_button_release * eth_clist_motion * eth_clist_size_request * eth_clist_size_allocate */ static void eth_clist_realize (GtkWidget *widget) { EthCList *clist; GdkWindowAttr attributes; GdkGCValues values; EthCListRow *clist_row; GList *list; gint attributes_mask; gint border_width; gint i; gint j; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); clist = ETH_CLIST (widget); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); border_width = GTK_CONTAINER (widget)->border_width; attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x + border_width; attributes.y = widget->allocation.y + border_width; attributes.width = widget->allocation.width - border_width * 2; attributes.height = widget->allocation.height - border_width * 2; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; /* main window */ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (widget->window, clist); widget->style = gtk_style_attach (widget->style, widget->window); gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL); /* column-title window */ attributes.x = clist->column_title_area.x; attributes.y = clist->column_title_area.y; attributes.width = clist->column_title_area.width; attributes.height = clist->column_title_area.height; clist->title_window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (clist->title_window, clist); gtk_style_set_background (widget->style, clist->title_window, GTK_STATE_NORMAL); gdk_window_show (clist->title_window); /* set things up so column buttons are drawn in title window */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) gtk_widget_set_parent_window (clist->column[i].button, clist->title_window); /* clist-window */ attributes.x = (clist->internal_allocation.x + widget->style->klass->xthickness); attributes.y = (clist->internal_allocation.y + widget->style->klass->ythickness + clist->column_title_area.height); attributes.width = clist->clist_window_width; attributes.height = clist->clist_window_height; clist->clist_window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (clist->clist_window, clist); gdk_window_set_background (clist->clist_window, &widget->style->base[GTK_STATE_NORMAL]); gdk_window_show (clist->clist_window); gdk_window_get_size (clist->clist_window, &clist->clist_window_width, &clist->clist_window_height); /* create resize windows */ attributes.wclass = GDK_INPUT_ONLY; attributes.event_mask = (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_KEY_PRESS_MASK); attributes_mask = GDK_WA_CURSOR; attributes.cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW); clist->cursor_drag = attributes.cursor; attributes.x = LIST_WIDTH (clist) + 1; attributes.y = 0; attributes.width = 0; attributes.height = 0; for (i = 0; i < clist->columns; i++) { clist->column[i].window = gdk_window_new (clist->title_window, &attributes, attributes_mask); gdk_window_set_user_data (clist->column[i].window, clist); } /* This is slightly less efficient than creating them with the * right size to begin with, but easier */ size_allocate_title_buttons (clist); /* GCs */ clist->fg_gc = gdk_gc_new (widget->window); clist->bg_gc = gdk_gc_new (widget->window); /* We'll use this gc to do scrolling as well */ gdk_gc_set_exposures (clist->fg_gc, TRUE); values.foreground = (widget->style->white.pixel==0 ? widget->style->black:widget->style->white); values.function = GDK_XOR; values.subwindow_mode = GDK_INCLUDE_INFERIORS; clist->xor_gc = gdk_gc_new_with_values (widget->window, &values, GDK_GC_FOREGROUND | GDK_GC_FUNCTION | GDK_GC_SUBWINDOW); /* attach optional row/cell styles, allocate foreground/background colors */ list = clist->row_list; for (i = 0; i < clist->rows; i++) { clist_row = list->data; list = list->next; if (clist_row->style) clist_row->style = gtk_style_attach (clist_row->style, clist->clist_window); if (clist_row->fg_set || clist_row->bg_set) { GdkColormap *colormap; colormap = gtk_widget_get_colormap (widget); if (clist_row->fg_set) gdk_color_alloc (colormap, &clist_row->foreground); if (clist_row->bg_set) gdk_color_alloc (colormap, &clist_row->background); } for (j = 0; j < clist->columns; j++) if (clist_row->cell[j].style) clist_row->cell[j].style = gtk_style_attach (clist_row->cell[j].style, clist->clist_window); } } static void eth_clist_unrealize (GtkWidget *widget) { gint i; EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); clist = ETH_CLIST (widget); /* freeze the list */ clist->freeze_count++; if (GTK_WIDGET_MAPPED (widget)) eth_clist_unmap (widget); GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); /* detach optional row/cell styles */ if (GTK_WIDGET_REALIZED (widget)) { EthCListRow *clist_row; GList *list; gint j; list = clist->row_list; for (i = 0; i < clist->rows; i++) { clist_row = list->data; list = list->next; if (clist_row->style) gtk_style_detach (clist_row->style); for (j = 0; j < clist->columns; j++) if (clist_row->cell[j].style) gtk_style_detach (clist_row->cell[j].style); } } gdk_cursor_destroy (clist->cursor_drag); gdk_gc_destroy (clist->xor_gc); gdk_gc_destroy (clist->fg_gc); gdk_gc_destroy (clist->bg_gc); for (i = 0; i < clist->columns; i++) { if (clist->column[i].button) gtk_widget_unrealize (clist->column[i].button); if (clist->column[i].window) { gdk_window_set_user_data (clist->column[i].window, NULL); gdk_window_destroy (clist->column[i].window); clist->column[i].window = NULL; } } gdk_window_set_user_data (clist->clist_window, NULL); gdk_window_destroy (clist->clist_window); clist->clist_window = NULL; gdk_window_set_user_data (clist->title_window, NULL); gdk_window_destroy (clist->title_window); clist->title_window = NULL; clist->cursor_drag = NULL; clist->xor_gc = NULL; clist->fg_gc = NULL; clist->bg_gc = NULL; if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } static void eth_clist_map (GtkWidget *widget) { gint i; EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); clist = ETH_CLIST (widget); if (!GTK_WIDGET_MAPPED (widget)) { GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); /* map column buttons */ for (i = 0; i < clist->columns; i++) { if (clist->column[i].button && GTK_WIDGET_VISIBLE (clist->column[i].button) && !GTK_WIDGET_MAPPED (clist->column[i].button)) gtk_widget_map (clist->column[i].button); } for (i = 0; i < clist->columns; i++) if (clist->column[i].window && clist->column[i].button) { gdk_window_raise (clist->column[i].window); gdk_window_show (clist->column[i].window); } gdk_window_show (clist->title_window); gdk_window_show (clist->clist_window); gdk_window_show (widget->window); /* unfreeze the list */ clist->freeze_count = 0; } } static void eth_clist_unmap (GtkWidget *widget) { gint i; EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); clist = ETH_CLIST (widget); if (GTK_WIDGET_MAPPED (widget)) { GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) { remove_grab (clist); ETH_CLIST_CLASS_FW (widget)->resync_selection (clist, NULL); clist->click_cell.row = -1; clist->click_cell.column = -1; clist->drag_button = 0; if (ETH_CLIST_IN_DRAG(clist)) { gpointer drag_data; ETH_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG); drag_data = gtk_object_get_data (GTK_OBJECT (clist), "gtk-site-data"); if (drag_data) gtk_signal_handler_unblock_by_data (GTK_OBJECT (clist), drag_data); } } for (i = 0; i < clist->columns; i++) if (clist->column[i].window) gdk_window_hide (clist->column[i].window); gdk_window_hide (clist->clist_window); gdk_window_hide (clist->title_window); gdk_window_hide (widget->window); /* unmap column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button && GTK_WIDGET_MAPPED (clist->column[i].button)) gtk_widget_unmap (clist->column[i].button); /* freeze the list */ clist->freeze_count++; } } static void eth_clist_draw (GtkWidget *widget, GdkRectangle *area) { EthCList *clist; gint border_width; GdkRectangle child_area; int i; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (area != NULL); if (GTK_WIDGET_DRAWABLE (widget)) { clist = ETH_CLIST (widget); border_width = GTK_CONTAINER (widget)->border_width; gdk_window_clear_area (widget->window, area->x - border_width, area->y - border_width, area->width, area->height); /* draw list shadow/border */ gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, clist->shadow_type, 0, 0, clist->clist_window_width + (2 * widget->style->klass->xthickness), clist->clist_window_height + (2 * widget->style->klass->ythickness) + clist->column_title_area.height); gdk_window_clear_area (clist->clist_window, 0, 0, 0, 0); draw_rows (clist, NULL); for (i = 0; i < clist->columns; i++) { if (!clist->column[i].visible) continue; if (clist->column[i].button && gtk_widget_intersect(clist->column[i].button, area, &child_area)) gtk_widget_draw (clist->column[i].button, &child_area); } } } static gint eth_clist_expose (GtkWidget *widget, GdkEventExpose *event) { EthCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); if (GTK_WIDGET_DRAWABLE (widget)) { clist = ETH_CLIST (widget); /* draw border */ if (event->window == widget->window) gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, clist->shadow_type, 0, 0, clist->clist_window_width + (2 * widget->style->klass->xthickness), clist->clist_window_height + (2 * widget->style->klass->ythickness) + clist->column_title_area.height); /* exposure events on the list */ if (event->window == clist->clist_window) draw_rows (clist, &event->area); } return FALSE; } static void eth_clist_style_set (GtkWidget *widget, GtkStyle *previous_style) { EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); if (GTK_WIDGET_CLASS (parent_class)->style_set) (*GTK_WIDGET_CLASS (parent_class)->style_set) (widget, previous_style); clist = ETH_CLIST (widget); if (GTK_WIDGET_REALIZED (widget)) { gtk_style_set_background (widget->style, widget->window, widget->state); gtk_style_set_background (widget->style, clist->title_window, GTK_STATE_SELECTED); gdk_window_set_background (clist->clist_window, &widget->style->base[GTK_STATE_NORMAL]); } /* Fill in data after widget has correct style */ /* text properties */ if (!ETH_CLIST_ROW_HEIGHT_SET(clist)) { clist->row_height = (widget->style->font->ascent + widget->style->font->descent + 1); clist->row_center_offset = widget->style->font->ascent + 1.5; } else clist->row_center_offset = 1.5 + (clist->row_height + widget->style->font->ascent - widget->style->font->descent - 1) / 2; /* Column widths */ if (!ETH_CLIST_AUTO_RESIZE_BLOCKED(clist)) { gint width; gint i; for (i = 0; i < clist->columns; i++) if (clist->column[i].auto_resize) { width = eth_clist_optimal_column_width (clist, i); if (width != clist->column[i].width) eth_clist_set_column_width (clist, i, width); } } } static gint eth_clist_key_press (GtkWidget *widget, GdkEventKey *event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); if (GTK_WIDGET_CLASS (parent_class)->key_press_event && GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event)) return TRUE; switch (event->keyval) { case GDK_Tab: case GDK_ISO_Left_Tab: if (event->state & GDK_SHIFT_MASK) return gtk_container_focus (GTK_CONTAINER (widget), GTK_DIR_TAB_BACKWARD); else return gtk_container_focus (GTK_CONTAINER (widget), GTK_DIR_TAB_FORWARD); default: break; } return FALSE; } static gint eth_clist_button_press (GtkWidget *widget, GdkEventButton *event) { gint i; EthCList *clist; gint x; gint y; gint row; gint column; gint button_actions; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); clist = ETH_CLIST (widget); button_actions = clist->button_actions[event->button - 1]; if (button_actions == ETH_BUTTON_IGNORED) return FALSE; /* selections on the list */ if (event->window == clist->clist_window) { x = event->x; y = event->y; if (get_selection_info (clist, x, y, &row, &column)) { gint old_row = clist->focus_row; if (clist->focus_row == -1) old_row = row; if (event->type == GDK_BUTTON_PRESS) { GdkEventMask mask = ((1 << (4 + event->button)) | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK); if (gdk_pointer_grab (clist->clist_window, FALSE, mask, NULL, NULL, event->time)) return FALSE; gtk_grab_add (widget); clist->click_cell.row = row; clist->click_cell.column = column; clist->drag_button = event->button; } else { clist->click_cell.row = -1; clist->click_cell.column = -1; clist->drag_button = 0; remove_grab (clist); } if (button_actions & ETH_BUTTON_SELECTS) { if (ETH_CLIST_ADD_MODE(clist)) { ETH_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE); if (GTK_WIDGET_HAS_FOCUS(widget)) { eth_clist_draw_focus (widget); gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); clist->focus_row = row; eth_clist_draw_focus (widget); } else { gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); clist->focus_row = row; } } else if (row != clist->focus_row) { if (GTK_WIDGET_HAS_FOCUS(widget)) { eth_clist_draw_focus (widget); clist->focus_row = row; eth_clist_draw_focus (widget); } else clist->focus_row = row; } } if (!GTK_WIDGET_HAS_FOCUS(widget)) gtk_widget_grab_focus (widget); if (button_actions & ETH_BUTTON_SELECTS) { switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: if (event->type != GDK_BUTTON_PRESS) { gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], row, column, event); clist->anchor = -1; } else clist->anchor = row; break; case GTK_SELECTION_BROWSE: gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], row, column, event); break; case GTK_SELECTION_EXTENDED: if (event->type != GDK_BUTTON_PRESS) { if (clist->anchor != -1) { update_extended_selection (clist, clist->focus_row); ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, (GdkEvent *) event); } gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], row, column, event); break; } if (event->state & GDK_CONTROL_MASK) { if (event->state & GDK_SHIFT_MASK) { if (clist->anchor < 0) { g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = old_row; clist->drag_pos = old_row; clist->undo_anchor = old_row; } update_extended_selection (clist, clist->focus_row); } else { if (clist->anchor == -1) set_anchor (clist, TRUE, row, old_row); else update_extended_selection (clist, clist->focus_row); } break; } if (event->state & GDK_SHIFT_MASK) { set_anchor (clist, FALSE, old_row, old_row); update_extended_selection (clist, clist->focus_row); break; } if (clist->anchor == -1) set_anchor (clist, FALSE, row, old_row); else update_extended_selection (clist, clist->focus_row); break; default: break; } } } return FALSE; } /* press on resize windows */ for (i = 0; i < clist->columns; i++) if (clist->column[i].resizeable && clist->column[i].window && event->window == clist->column[i].window) { gpointer drag_data; if (gdk_pointer_grab (clist->column[i].window, FALSE, GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL, event->time)) return FALSE; gtk_grab_add (widget); ETH_CLIST_SET_FLAG (clist, CLIST_IN_DRAG); /* block attached dnd signal handler */ drag_data = gtk_object_get_data (GTK_OBJECT (clist), "gtk-site-data"); if (drag_data) gtk_signal_handler_block_by_data (GTK_OBJECT (clist), drag_data); if (!GTK_WIDGET_HAS_FOCUS(widget)) gtk_widget_grab_focus (widget); clist->drag_pos = i; clist->x_drag = (COLUMN_LEFT_XPIXEL(clist, i) + COLUMN_INSET + clist->column[i].area.width + CELL_SPACING); if (ETH_CLIST_ADD_MODE(clist)) gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); draw_xor_line (clist); } return FALSE; } static gint eth_clist_button_release (GtkWidget *widget, GdkEventButton *event) { EthCList *clist; gint button_actions; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); clist = ETH_CLIST (widget); button_actions = clist->button_actions[event->button - 1]; if (button_actions == ETH_BUTTON_IGNORED) return FALSE; /* release on resize windows */ if (ETH_CLIST_IN_DRAG(clist)) { gpointer drag_data; gint width; gint x; gint i; i = clist->drag_pos; clist->drag_pos = -1; /* unblock attached dnd signal handler */ drag_data = gtk_object_get_data (GTK_OBJECT (clist), "gtk-site-data"); if (drag_data) gtk_signal_handler_unblock_by_data (GTK_OBJECT (clist), drag_data); ETH_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG); gtk_widget_get_pointer (widget, &x, NULL); gtk_grab_remove (widget); gdk_pointer_ungrab (event->time); if (clist->x_drag >= 0) draw_xor_line (clist); if (ETH_CLIST_ADD_MODE(clist)) { gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0, 0); gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2); } width = new_column_width (clist, i, &x); eth_clist_set_column_width (clist, i, width); return FALSE; } if (clist->drag_button == event->button) { gint row; gint column; clist->drag_button = 0; clist->click_cell.row = -1; clist->click_cell.column = -1; remove_grab (clist); if (button_actions & ETH_BUTTON_SELECTS) { switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: if (!(event->state & GDK_SHIFT_MASK) || !GTK_WIDGET_CAN_FOCUS (widget) || event->x < 0 || event->x >= clist->clist_window_width || event->y < 0 || event->y >= clist->clist_window_height) ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, (GdkEvent *) event); break; case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: if (get_selection_info (clist, event->x, event->y, &row, &column)) { if (row >= 0 && row < clist->rows && clist->anchor == row) toggle_row (clist, row, column, (GdkEvent *) event); } clist->anchor = -1; break; default: break; } } } return FALSE; } static gint eth_clist_motion (GtkWidget *widget, GdkEventMotion *event) { EthCList *clist; gint x; gint y; gint row; gint new_width; gint button_actions = 0; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); clist = ETH_CLIST (widget); if (!(gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist))) return FALSE; if (clist->drag_button > 0) button_actions = clist->button_actions[clist->drag_button - 1]; if (ETH_CLIST_IN_DRAG(clist)) { if (event->is_hint || event->window != widget->window) gtk_widget_get_pointer (widget, &x, NULL); else x = event->x; new_width = new_column_width (clist, clist->drag_pos, &x); if (x != clist->x_drag) { /* x_drag < 0 indicates that the xor line is already invisible */ if (clist->x_drag >= 0) draw_xor_line (clist); clist->x_drag = x; if (clist->x_drag >= 0) draw_xor_line (clist); } if (new_width <= MAX (COLUMN_MIN_WIDTH + 1, clist->column[clist->drag_pos].min_width + 1)) { if (COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) < 0 && x < 0) eth_clist_moveto (clist, -1, clist->drag_pos, 0, 0); return FALSE; } if (clist->column[clist->drag_pos].max_width >= COLUMN_MIN_WIDTH && new_width >= clist->column[clist->drag_pos].max_width) { if (COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) + new_width > clist->clist_window_width && x < 0) move_horizontal (clist, COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) + new_width - clist->clist_window_width + COLUMN_INSET + CELL_SPACING); return FALSE; } } if (event->is_hint || event->window != clist->clist_window) gdk_window_get_pointer (clist->clist_window, &x, &y, NULL); if (ETH_CLIST_REORDERABLE(clist) && button_actions & ETH_BUTTON_DRAGS) { /* delayed drag start */ if (event->window == clist->clist_window && clist->click_cell.row >= 0 && clist->click_cell.column >= 0 && (y < 0 || y >= clist->clist_window_height || x < 0 || x >= clist->clist_window_width || y < ROW_TOP_YPIXEL (clist, clist->click_cell.row) || y >= (ROW_TOP_YPIXEL (clist, clist->click_cell.row) + clist->row_height) || x < COLUMN_LEFT_XPIXEL (clist, clist->click_cell.column) || x >= (COLUMN_LEFT_XPIXEL(clist, clist->click_cell.column) + clist->column[clist->click_cell.column].area.width))) { GtkTargetList *target_list; target_list = gtk_target_list_new (&clist_target_table, 1); gtk_drag_begin (widget, target_list, GDK_ACTION_MOVE, clist->drag_button, (GdkEvent *)event); } return TRUE; } /* horizontal autoscrolling */ if (clist->hadjustment && LIST_WIDTH (clist) > clist->clist_window_width && (x < 0 || x >= clist->clist_window_width)) { if (clist->htimer) return FALSE; clist->htimer = gtk_timeout_add (SCROLL_TIME, (GtkFunction) horizontal_timeout, clist); if (!((x < 0 && clist->hadjustment->value == 0) || (x >= clist->clist_window_width && clist->hadjustment->value == LIST_WIDTH (clist) - clist->clist_window_width))) { if (x < 0) move_horizontal (clist, -1 + (x/2)); else move_horizontal (clist, 1 + (x - clist->clist_window_width) / 2); } } if (ETH_CLIST_IN_DRAG(clist)) return FALSE; /* vertical autoscrolling */ row = ROW_FROM_YPIXEL (clist, y); /* don't scroll on last pixel row if it's a cell spacing */ if (y == clist->clist_window_height - 1 && y == ROW_TOP_YPIXEL (clist, row-1) + clist->row_height) return FALSE; if (LIST_HEIGHT (clist) > clist->clist_window_height && (y < 0 || y >= clist->clist_window_height)) { if (clist->vtimer) return FALSE; clist->vtimer = gtk_timeout_add (SCROLL_TIME, (GtkFunction) vertical_timeout, clist); if (clist->drag_button && ((y < 0 && clist->focus_row == 0) || (y >= clist->clist_window_height && clist->focus_row == clist->rows - 1))) return FALSE; } row = CLAMP (row, 0, clist->rows - 1); if (button_actions & ETH_BUTTON_SELECTS & !gtk_object_get_data (GTK_OBJECT (widget), "gtk-site-data")) { if (row == clist->focus_row) return FALSE; eth_clist_draw_focus (widget); clist->focus_row = row; eth_clist_draw_focus (widget); switch (clist->selection_mode) { case GTK_SELECTION_BROWSE: gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, event); break; case GTK_SELECTION_EXTENDED: update_extended_selection (clist, clist->focus_row); break; default: break; } } if (ROW_TOP_YPIXEL(clist, row) < 0) move_vertical (clist, row, 0); else if (ROW_TOP_YPIXEL(clist, row) + clist->row_height > clist->clist_window_height) move_vertical (clist, row, 1); return FALSE; } static void eth_clist_size_request (GtkWidget *widget, GtkRequisition *requisition) { EthCList *clist; gint i; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (requisition != NULL); clist = ETH_CLIST (widget); requisition->width = 0; requisition->height = 0; /* compute the size of the column title (title) area */ clist->column_title_area.height = 0; if (ETH_CLIST_SHOW_TITLES(clist)) for (i = 0; i < clist->columns; i++) if (clist->column[i].button) { GtkRequisition child_requisition; gtk_widget_size_request (clist->column[i].button, &child_requisition); clist->column_title_area.height = MAX (clist->column_title_area.height, child_requisition.height); } requisition->width += (widget->style->klass->xthickness + GTK_CONTAINER (widget)->border_width) * 2; requisition->height += (clist->column_title_area.height + (widget->style->klass->ythickness + GTK_CONTAINER (widget)->border_width) * 2); /* if (!clist->hadjustment) */ requisition->width += list_requisition_width (clist); /* if (!clist->vadjustment) */ requisition->height += LIST_HEIGHT (clist); } static void eth_clist_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { EthCList *clist; GtkAllocation clist_allocation; gint border_width; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (allocation != NULL); clist = ETH_CLIST (widget); widget->allocation = *allocation; border_width = GTK_CONTAINER (widget)->border_width; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (widget->window, allocation->x + border_width, allocation->y + border_width, allocation->width - border_width * 2, allocation->height - border_width * 2); } /* use internal allocation structure for all the math * because it's easier than always subtracting the container * border width */ clist->internal_allocation.x = 0; clist->internal_allocation.y = 0; clist->internal_allocation.width = MAX (1, (gint)allocation->width - border_width * 2); clist->internal_allocation.height = MAX (1, (gint)allocation->height - border_width * 2); /* allocate clist window assuming no scrollbars */ clist_allocation.x = (clist->internal_allocation.x + widget->style->klass->xthickness); clist_allocation.y = (clist->internal_allocation.y + widget->style->klass->ythickness + clist->column_title_area.height); clist_allocation.width = MAX (1, (gint)clist->internal_allocation.width - (2 * (gint)widget->style->klass->xthickness)); clist_allocation.height = MAX (1, (gint)clist->internal_allocation.height - (2 * (gint)widget->style->klass->ythickness) - (gint)clist->column_title_area.height); clist->clist_window_width = clist_allocation.width; clist->clist_window_height = clist_allocation.height; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (clist->clist_window, clist_allocation.x, clist_allocation.y, clist_allocation.width, clist_allocation.height); } /* position the window which holds the column title buttons */ clist->column_title_area.x = widget->style->klass->xthickness; clist->column_title_area.y = widget->style->klass->ythickness; clist->column_title_area.width = clist_allocation.width; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (clist->title_window, clist->column_title_area.x, clist->column_title_area.y, clist->column_title_area.width, clist->column_title_area.height); } /* column button allocation */ size_allocate_columns (clist, FALSE); size_allocate_title_buttons (clist); adjust_adjustments (clist, TRUE); } /* GTKCONTAINER * eth_clist_forall */ static void eth_clist_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { EthCList *clist; gint i; g_return_if_fail (container != NULL); g_return_if_fail (ETH_IS_CLIST (container)); g_return_if_fail (callback != NULL); if (!include_internals) return; clist = ETH_CLIST (container); /* callback for the column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) (*callback) (clist->column[i].button, callback_data); } /* PRIVATE DRAWING FUNCTIONS * get_cell_style * draw_cell_pixmap * draw_row * draw_rows * draw_xor_line * clist_refresh */ static void get_cell_style (EthCList *clist, EthCListRow *clist_row, gint state, gint column, GtkStyle **style, GdkGC **fg_gc, GdkGC **bg_gc) { gint fg_state; if ((state == GTK_STATE_NORMAL) && (GTK_WIDGET (clist)->state == GTK_STATE_INSENSITIVE)) fg_state = GTK_STATE_INSENSITIVE; else fg_state = state; if (clist_row->cell[column].style) { if (style) *style = clist_row->cell[column].style; if (fg_gc) *fg_gc = clist_row->cell[column].style->fg_gc[fg_state]; if (bg_gc) { if (state == GTK_STATE_SELECTED) *bg_gc = clist_row->cell[column].style->bg_gc[state]; else *bg_gc = clist_row->cell[column].style->base_gc[state]; } } else if (clist_row->style) { if (style) *style = clist_row->style; if (fg_gc) *fg_gc = clist_row->style->fg_gc[fg_state]; if (bg_gc) { if (state == GTK_STATE_SELECTED) *bg_gc = clist_row->style->bg_gc[state]; else *bg_gc = clist_row->style->base_gc[state]; } } else { if (style) *style = GTK_WIDGET (clist)->style; if (fg_gc) *fg_gc = GTK_WIDGET (clist)->style->fg_gc[fg_state]; if (bg_gc) { if (state == GTK_STATE_SELECTED) *bg_gc = GTK_WIDGET (clist)->style->bg_gc[state]; else *bg_gc = GTK_WIDGET (clist)->style->base_gc[state]; } if (state != GTK_STATE_SELECTED) { if (fg_gc && clist_row->fg_set) *fg_gc = clist->fg_gc; if (bg_gc && clist_row->bg_set) *bg_gc = clist->bg_gc; } } } static gint draw_cell_pixmap (GdkWindow *window, GdkRectangle *clip_rectangle, GdkGC *fg_gc, GdkPixmap *pixmap, GdkBitmap *mask, gint x, gint y, gint width, gint height) { gint xsrc = 0; gint ysrc = 0; if (mask) { gdk_gc_set_clip_mask (fg_gc, mask); gdk_gc_set_clip_origin (fg_gc, x, y); } if (x < clip_rectangle->x) { xsrc = clip_rectangle->x - x; width -= xsrc; x = clip_rectangle->x; } if (x + width > clip_rectangle->x + clip_rectangle->width) width = clip_rectangle->x + clip_rectangle->width - x; if (y < clip_rectangle->y) { ysrc = clip_rectangle->y - y; height -= ysrc; y = clip_rectangle->y; } if (y + height > clip_rectangle->y + clip_rectangle->height) height = clip_rectangle->y + clip_rectangle->height - y; gdk_draw_pixmap (window, fg_gc, pixmap, xsrc, ysrc, x, y, width, height); gdk_gc_set_clip_origin (fg_gc, 0, 0); if (mask) gdk_gc_set_clip_mask (fg_gc, NULL); return x + MAX (width, 0); } static void draw_row (EthCList *clist, GdkRectangle *area, gint row, EthCListRow *clist_row) { GtkWidget *widget; GdkRectangle *rect; GdkRectangle row_rectangle; GdkRectangle cell_rectangle; GdkRectangle clip_rectangle; GdkRectangle intersect_rectangle; gint last_column; gint state; gint i; g_return_if_fail (clist != NULL); /* bail now if we arn't drawable yet */ if (!GTK_WIDGET_DRAWABLE (clist) || row < 0 || row >= clist->rows) return; widget = GTK_WIDGET (clist); /* if the function is passed the pointer to the row instead of null, * it avoids this expensive lookup */ if (!clist_row) clist_row = ROW_ELEMENT (clist, row)->data; /* rectangle of the entire row */ row_rectangle.x = 0; row_rectangle.y = ROW_TOP_YPIXEL (clist, row); row_rectangle.width = clist->clist_window_width; row_rectangle.height = clist->row_height; /* rectangle of the cell spacing above the row */ cell_rectangle.x = 0; cell_rectangle.y = row_rectangle.y - CELL_SPACING; cell_rectangle.width = row_rectangle.width; cell_rectangle.height = CELL_SPACING; /* rectangle used to clip drawing operations, its y and height * positions only need to be set once, so we set them once here. * the x and width are set withing the drawing loop below once per * column */ clip_rectangle.y = row_rectangle.y; clip_rectangle.height = row_rectangle.height; if (clist_row->state == GTK_STATE_NORMAL) { if (clist_row->fg_set) gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground); if (clist_row->bg_set) gdk_gc_set_foreground (clist->bg_gc, &clist_row->background); } state = clist_row->state; /* draw the cell borders and background */ if (area) { rect = &intersect_rectangle; if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); /* the last row has to clear its bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); } if (!gdk_rectangle_intersect (area, &row_rectangle,&intersect_rectangle)) return; } else { rect = &clip_rectangle; gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, cell_rectangle.x, cell_rectangle.y, cell_rectangle.width, cell_rectangle.height); /* the last row has to clear its bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_ACTIVE], TRUE, cell_rectangle.x, cell_rectangle.y, cell_rectangle.width, cell_rectangle.height); } } for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--) ; /* iterate and draw all the columns (row cells) and draw their contents */ for (i = 0; i < clist->columns; i++) { GtkStyle *style; GdkGC *fg_gc; GdkGC *bg_gc; gint width; gint height; gint pixmap_width; gint offset = 0; gint row_center_offset; if (!clist->column[i].visible) continue; get_cell_style (clist, clist_row, state, i, &style, &fg_gc, &bg_gc); clip_rectangle.x = clist->column[i].area.x + clist->hoffset; clip_rectangle.width = clist->column[i].area.width; /* calculate clipping region clipping region */ clip_rectangle.x -= COLUMN_INSET + CELL_SPACING; clip_rectangle.width += (2 * COLUMN_INSET + CELL_SPACING + (i == last_column) * CELL_SPACING); if (area && !gdk_rectangle_intersect (area, &clip_rectangle, &intersect_rectangle)) continue; gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, rect->x, rect->y, rect->width, rect->height); clip_rectangle.x += COLUMN_INSET + CELL_SPACING; clip_rectangle.width -= (2 * COLUMN_INSET + CELL_SPACING + (i == last_column) * CELL_SPACING); /* calculate real width for column justification */ pixmap_width = 0; offset = 0; switch (clist_row->cell[i].type) { case ETH_CELL_TEXT: width = gdk_string_width (style->font, ETH_CELL_TEXT (clist_row->cell[i])->text); break; case ETH_CELL_PIXMAP: gdk_window_get_size (ETH_CELL_PIXMAP (clist_row->cell[i])->pixmap, &pixmap_width, &height); width = pixmap_width; break; case ETH_CELL_PIXTEXT: gdk_window_get_size (ETH_CELL_PIXTEXT (clist_row->cell[i])->pixmap, &pixmap_width, &height); width = (pixmap_width + ETH_CELL_PIXTEXT (clist_row->cell[i])->spacing + gdk_string_width (style->font, ETH_CELL_PIXTEXT (clist_row->cell[i])->text)); break; default: continue; break; } switch (clist->column[i].justification) { case GTK_JUSTIFY_LEFT: offset = clip_rectangle.x + clist_row->cell[i].horizontal; break; case GTK_JUSTIFY_RIGHT: offset = (clip_rectangle.x + clist_row->cell[i].horizontal + clip_rectangle.width - width); break; case GTK_JUSTIFY_CENTER: case GTK_JUSTIFY_FILL: offset = (clip_rectangle.x + clist_row->cell[i].horizontal + (clip_rectangle.width / 2) - (width / 2)); break; }; /* Draw Text and/or Pixmap */ switch (clist_row->cell[i].type) { case ETH_CELL_PIXMAP: draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc, ETH_CELL_PIXMAP (clist_row->cell[i])->pixmap, ETH_CELL_PIXMAP (clist_row->cell[i])->mask, offset, clip_rectangle.y + clist_row->cell[i].vertical + (clip_rectangle.height - height) / 2, pixmap_width, height); break; case ETH_CELL_PIXTEXT: offset = draw_cell_pixmap (clist->clist_window, &clip_rectangle, fg_gc, ETH_CELL_PIXTEXT (clist_row->cell[i])->pixmap, ETH_CELL_PIXTEXT (clist_row->cell[i])->mask, offset, clip_rectangle.y + clist_row->cell[i].vertical+ (clip_rectangle.height - height) / 2, pixmap_width, height); offset += ETH_CELL_PIXTEXT (clist_row->cell[i])->spacing; case ETH_CELL_TEXT: if (style != GTK_WIDGET (clist)->style) row_center_offset = (((clist->row_height - style->font->ascent - style->font->descent - 1) / 2) + 1.5 + style->font->ascent); else row_center_offset = clist->row_center_offset; gdk_gc_set_clip_rectangle (fg_gc, &clip_rectangle); gdk_draw_string (clist->clist_window, style->font, fg_gc, offset, row_rectangle.y + row_center_offset + clist_row->cell[i].vertical, (clist_row->cell[i].type == ETH_CELL_PIXTEXT) ? ETH_CELL_PIXTEXT (clist_row->cell[i])->text : ETH_CELL_TEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); break; default: break; } } /* draw focus rectangle */ if (clist->focus_row == row && GTK_WIDGET_CAN_FOCUS (widget) && GTK_WIDGET_HAS_FOCUS(widget)) { if (!area) gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, row_rectangle.x, row_rectangle.y, row_rectangle.width - 1, row_rectangle.height - 1); else if (gdk_rectangle_intersect (area, &row_rectangle, &intersect_rectangle)) { gdk_gc_set_clip_rectangle (clist->xor_gc, &intersect_rectangle); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, row_rectangle.x, row_rectangle.y, row_rectangle.width - 1, row_rectangle.height - 1); gdk_gc_set_clip_rectangle (clist->xor_gc, NULL); } } } static void draw_rows (EthCList *clist, GdkRectangle *area) { GList *list; EthCListRow *clist_row; gint i; gint first_row; gint last_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (clist->row_height == 0 || !GTK_WIDGET_DRAWABLE (clist)) return; if (area) { first_row = ROW_FROM_YPIXEL (clist, area->y); last_row = ROW_FROM_YPIXEL (clist, area->y + area->height); } else { first_row = ROW_FROM_YPIXEL (clist, 0); last_row = ROW_FROM_YPIXEL (clist, clist->clist_window_height); } /* this is a small special case which exposes the bottom cell line * on the last row -- it might go away if I change the wall the cell * spacings are drawn */ if (clist->rows == first_row) first_row--; list = ROW_ELEMENT (clist, first_row); i = first_row; while (list) { clist_row = list->data; list = list->next; if (i > last_row) return; ETH_CLIST_CLASS_FW (clist)->draw_row (clist, area, i, clist_row); i++; } if (!area) gdk_window_clear_area (clist->clist_window, 0, ROW_TOP_YPIXEL (clist, i), 0, 0); } static void draw_xor_line (EthCList *clist) { GtkWidget *widget; g_return_if_fail (clist != NULL); widget = GTK_WIDGET (clist); gdk_draw_line (widget->window, clist->xor_gc, clist->x_drag, widget->style->klass->ythickness, clist->x_drag, clist->column_title_area.height + clist->clist_window_height + 1); } static void clist_refresh (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (CLIST_UNFROZEN (clist)) { adjust_adjustments (clist, FALSE); draw_rows (clist, NULL); } } /* get cell from coordinates * get_selection_info * eth_clist_get_selection_info */ static gint get_selection_info (EthCList *clist, gint x, gint y, gint *row, gint *column) { gint trow, tcol; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); /* bounds checking, return false if the user clicked * on a blank area */ trow = ROW_FROM_YPIXEL (clist, y); if (trow >= clist->rows) return 0; if (row) *row = trow; tcol = COLUMN_FROM_XPIXEL (clist, x); if (tcol >= clist->columns) return 0; if (column) *column = tcol; return 1; } gint eth_clist_get_selection_info (EthCList *clist, gint x, gint y, gint *row, gint *column) { g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (ETH_IS_CLIST (clist), 0); return get_selection_info (clist, x, y, row, column); } /* PRIVATE ADJUSTMENT FUNCTIONS * adjust_adjustments * vadjustment_changed * hadjustment_changed * vadjustment_value_changed * hadjustment_value_changed * check_exposures */ static void adjust_adjustments (EthCList *clist, gboolean block_resize) { if (clist->vadjustment) { clist->vadjustment->page_size = clist->clist_window_height; clist->vadjustment->page_increment = clist->clist_window_height / 2; clist->vadjustment->step_increment = clist->row_height; clist->vadjustment->lower = 0; clist->vadjustment->upper = LIST_HEIGHT (clist); if (clist->clist_window_height - clist->voffset > LIST_HEIGHT (clist) || (clist->voffset + (gint)clist->vadjustment->value) != 0) { clist->vadjustment->value = MAX (0, (LIST_HEIGHT (clist) - clist->clist_window_height)); gtk_signal_emit_by_name (GTK_OBJECT (clist->vadjustment), "value_changed"); } gtk_signal_emit_by_name (GTK_OBJECT (clist->vadjustment), "changed"); } if (clist->hadjustment) { clist->hadjustment->page_size = clist->clist_window_width; clist->hadjustment->page_increment = clist->clist_window_width / 2; clist->hadjustment->step_increment = 10; clist->hadjustment->lower = 0; clist->hadjustment->upper = LIST_WIDTH (clist); if (clist->clist_window_width - clist->hoffset > LIST_WIDTH (clist) || (clist->hoffset + (gint)clist->hadjustment->value) != 0) { clist->hadjustment->value = MAX (0, (LIST_WIDTH (clist) - clist->clist_window_width)); gtk_signal_emit_by_name (GTK_OBJECT (clist->hadjustment), "value_changed"); } gtk_signal_emit_by_name (GTK_OBJECT (clist->hadjustment), "changed"); } if (!block_resize && (!clist->vadjustment || !clist->hadjustment)) { GtkWidget *widget; GtkRequisition requisition; widget = GTK_WIDGET (clist); gtk_widget_size_request (widget, &requisition); if ((!clist->hadjustment && requisition.width != widget->allocation.width) || (!clist->vadjustment && requisition.height != widget->allocation.height)) gtk_widget_queue_resize (widget); } } static void vadjustment_changed (GtkAdjustment *adjustment, gpointer data) { EthCList *clist; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); clist = ETH_CLIST (data); } static void hadjustment_changed (GtkAdjustment *adjustment, gpointer data) { EthCList *clist; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); clist = ETH_CLIST (data); } static void vadjustment_value_changed (GtkAdjustment *adjustment, gpointer data) { EthCList *clist; GdkRectangle area; gint diff, value; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); g_return_if_fail (ETH_IS_CLIST (data)); clist = ETH_CLIST (data); if (!GTK_WIDGET_DRAWABLE (clist) || adjustment != clist->vadjustment) return; value = adjustment->value; if (value > -clist->voffset) { /* scroll down */ diff = value + clist->voffset; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_height) { clist->voffset = -value; draw_rows (clist, NULL); return; } if ((diff != 0) && (diff != clist->clist_window_height)) gdk_window_copy_area (clist->clist_window, clist->fg_gc, 0, 0, clist->clist_window, 0, diff, clist->clist_window_width, clist->clist_window_height - diff); area.x = 0; area.y = clist->clist_window_height - diff; area.width = clist->clist_window_width; area.height = diff; } else { /* scroll up */ diff = -clist->voffset - value; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_height) { clist->voffset = -value; draw_rows (clist, NULL); return; } if ((diff != 0) && (diff != clist->clist_window_height)) gdk_window_copy_area (clist->clist_window, clist->fg_gc, 0, diff, clist->clist_window, 0, 0, clist->clist_window_width, clist->clist_window_height - diff); area.x = 0; area.y = 0; area.width = clist->clist_window_width; area.height = diff; } clist->voffset = -value; if ((diff != 0) && (diff != clist->clist_window_height)) check_exposures (clist); draw_rows (clist, &area); } static void hadjustment_value_changed (GtkAdjustment *adjustment, gpointer data) { EthCList *clist; GdkRectangle area; gint i; gint y = 0; gint diff = 0; gint value; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); g_return_if_fail (ETH_IS_CLIST (data)); clist = ETH_CLIST (data); if (!GTK_WIDGET_DRAWABLE (clist) || adjustment != clist->hadjustment) return; value = adjustment->value; /* move the column buttons and resize windows */ for (i = 0; i < clist->columns; i++) { if (clist->column[i].button) { clist->column[i].button->allocation.x -= value + clist->hoffset; if (clist->column[i].button->window) { gdk_window_move (clist->column[i].button->window, clist->column[i].button->allocation.x, clist->column[i].button->allocation.y); if (clist->column[i].window) gdk_window_move (clist->column[i].window, clist->column[i].button->allocation.x + clist->column[i].button->allocation.width - (DRAG_WIDTH / 2), 0); } } } if (value > -clist->hoffset) { /* scroll right */ diff = value + clist->hoffset; clist->hoffset = -value; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_width) { draw_rows (clist, NULL); return; } if (GTK_WIDGET_CAN_FOCUS(clist) && GTK_WIDGET_HAS_FOCUS(clist) && !ETH_CLIST_CHILD_HAS_FOCUS(clist) && ETH_CLIST_ADD_MODE(clist)) { y = ROW_TOP_YPIXEL (clist, clist->focus_row); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height - 1); } gdk_window_copy_area (clist->clist_window, clist->fg_gc, 0, 0, clist->clist_window, diff, 0, clist->clist_window_width - diff, clist->clist_window_height); area.x = clist->clist_window_width - diff; } else { /* scroll left */ if (!(diff = -clist->hoffset - value)) return; clist->hoffset = -value; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_width) { draw_rows (clist, NULL); return; } if (GTK_WIDGET_CAN_FOCUS(clist) && GTK_WIDGET_HAS_FOCUS(clist) && !ETH_CLIST_CHILD_HAS_FOCUS(clist) && ETH_CLIST_ADD_MODE(clist)) { y = ROW_TOP_YPIXEL (clist, clist->focus_row); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height - 1); } gdk_window_copy_area (clist->clist_window, clist->fg_gc, diff, 0, clist->clist_window, 0, 0, clist->clist_window_width - diff, clist->clist_window_height); area.x = 0; } area.y = 0; area.width = diff; area.height = clist->clist_window_height; check_exposures (clist); if (GTK_WIDGET_CAN_FOCUS(clist) && GTK_WIDGET_HAS_FOCUS(clist) && !ETH_CLIST_CHILD_HAS_FOCUS(clist)) { if (ETH_CLIST_ADD_MODE(clist)) { gint focus_row; focus_row = clist->focus_row; clist->focus_row = -1; draw_rows (clist, &area); clist->focus_row = focus_row; gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height - 1); return; } else { gint x0; gint x1; if (area.x == 0) { x0 = clist->clist_window_width - 1; x1 = diff; } else { x0 = 0; x1 = area.x - 1; } y = ROW_TOP_YPIXEL (clist, clist->focus_row); gdk_draw_line (clist->clist_window, clist->xor_gc, x0, y + 1, x0, y + clist->row_height - 2); gdk_draw_line (clist->clist_window, clist->xor_gc, x1, y + 1, x1, y + clist->row_height - 2); } } draw_rows (clist, &area); } static void check_exposures (EthCList *clist) { GdkEvent *event; if (!GTK_WIDGET_REALIZED (clist)) return; /* Make sure graphics expose events are processed before scrolling * again */ while ((event = gdk_event_get_graphics_expose (clist->clist_window)) != NULL) { gtk_widget_event (GTK_WIDGET (clist), event); if (event->expose.count == 0) { gdk_event_free (event); break; } gdk_event_free (event); } } /* PRIVATE * Memory Allocation/Distruction Routines for EthCList stuctures * * functions: * columns_new * column_title_new * columns_delete * row_new * row_delete */ static EthCListColumn * columns_new (EthCList *clist) { EthCListColumn *column; gint i; column = g_new (EthCListColumn, clist->columns); for (i = 0; i < clist->columns; i++) { column[i].area.x = 0; column[i].area.y = 0; column[i].area.width = 0; column[i].area.height = 0; column[i].title = NULL; column[i].button = NULL; column[i].window = NULL; column[i].width = 0; column[i].min_width = -1; column[i].max_width = -1; column[i].visible = TRUE; column[i].width_set = FALSE; column[i].resizeable = TRUE; column[i].auto_resize = FALSE; column[i].button_passive = FALSE; column[i].justification = GTK_JUSTIFY_LEFT; } return column; } static void column_title_new (EthCList *clist, gint column, const gchar *title) { if (clist->column[column].title) g_free (clist->column[column].title); clist->column[column].title = g_strdup (title); } static void columns_delete (EthCList *clist) { gint i; for (i = 0; i < clist->columns; i++) if (clist->column[i].title) g_free (clist->column[i].title); g_free (clist->column); } static EthCListRow * row_new (EthCList *clist) { int i; EthCListRow *clist_row; clist_row = g_chunk_new (EthCListRow, clist->row_mem_chunk); clist_row->cell = g_chunk_new (EthCell, clist->cell_mem_chunk); for (i = 0; i < clist->columns; i++) { clist_row->cell[i].type = ETH_CELL_EMPTY; clist_row->cell[i].vertical = 0; clist_row->cell[i].horizontal = 0; clist_row->cell[i].style = NULL; } clist_row->fg_set = FALSE; clist_row->bg_set = FALSE; clist_row->style = NULL; clist_row->selectable = TRUE; clist_row->state = GTK_STATE_NORMAL; clist_row->data = NULL; clist_row->destroy = NULL; return clist_row; } static void row_delete (EthCList *clist, EthCListRow *clist_row) { gint i; for (i = 0; i < clist->columns; i++) { ETH_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, i, ETH_CELL_EMPTY, NULL, 0, NULL, NULL); if (clist_row->cell[i].style) { if (GTK_WIDGET_REALIZED (clist)) gtk_style_detach (clist_row->cell[i].style); gtk_style_unref (clist_row->cell[i].style); } } if (clist_row->style) { if (GTK_WIDGET_REALIZED (clist)) gtk_style_detach (clist_row->style); gtk_style_unref (clist_row->style); } if (clist_row->destroy) clist_row->destroy (clist_row->data); g_mem_chunk_free (clist->cell_mem_chunk, clist_row->cell); g_mem_chunk_free (clist->row_mem_chunk, clist_row); } /* FOCUS FUNCTIONS * eth_clist_focus * eth_clist_draw_focus * eth_clist_focus_in * eth_clist_focus_out * eth_clist_set_focus_child * title_focus */ static gint eth_clist_focus (GtkContainer *container, GtkDirectionType direction) { EthCList *clist; GtkWidget *focus_child; gint old_row; g_return_val_if_fail (container != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (container), FALSE); if (!GTK_WIDGET_IS_SENSITIVE (container)) return FALSE; clist = ETH_CLIST (container); focus_child = container->focus_child; old_row = clist->focus_row; switch (direction) { case GTK_DIR_LEFT: case GTK_DIR_RIGHT: if (ETH_CLIST_CHILD_HAS_FOCUS(clist)) { if (title_focus (clist, direction)) return TRUE; gtk_container_set_focus_child (container, NULL); return FALSE; } gtk_widget_grab_focus (GTK_WIDGET (container)); return TRUE; case GTK_DIR_DOWN: case GTK_DIR_TAB_FORWARD: if (ETH_CLIST_CHILD_HAS_FOCUS(clist)) { gboolean tf = FALSE; if (((focus_child && direction == GTK_DIR_DOWN) || !(tf = title_focus (clist, GTK_DIR_TAB_FORWARD))) && clist->rows) { if (clist->focus_row < 0) { clist->focus_row = 0; if ((clist->selection_mode == GTK_SELECTION_BROWSE || clist->selection_mode == GTK_SELECTION_EXTENDED) && !clist->selection) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, NULL); } gtk_widget_grab_focus (GTK_WIDGET (container)); return TRUE; } if (tf) return TRUE; } ETH_CLIST_SET_FLAG (clist, CLIST_CHILD_HAS_FOCUS); break; case GTK_DIR_UP: case GTK_DIR_TAB_BACKWARD: if (!focus_child && ETH_CLIST_CHILD_HAS_FOCUS(clist) && clist->rows) { if (clist->focus_row < 0) { clist->focus_row = 0; if ((clist->selection_mode == GTK_SELECTION_BROWSE || clist->selection_mode == GTK_SELECTION_EXTENDED) && !clist->selection) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, NULL); } gtk_widget_grab_focus (GTK_WIDGET (container)); return TRUE; } ETH_CLIST_SET_FLAG (clist, CLIST_CHILD_HAS_FOCUS); if (title_focus (clist, direction)) return TRUE; break; default: break; } gtk_container_set_focus_child (container, NULL); return FALSE; } static void eth_clist_draw_focus (GtkWidget *widget) { EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); if (!GTK_WIDGET_DRAWABLE (widget) || !GTK_WIDGET_CAN_FOCUS (widget)) return; clist = ETH_CLIST (widget); if (clist->focus_row >= 0) gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, ROW_TOP_YPIXEL(clist, clist->focus_row), clist->clist_window_width - 1, clist->row_height - 1); } static gint eth_clist_focus_in (GtkWidget *widget, GdkEventFocus *event) { EthCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); ETH_CLIST_UNSET_FLAG (widget, CLIST_CHILD_HAS_FOCUS); clist = ETH_CLIST (widget); if (clist->selection_mode == GTK_SELECTION_BROWSE && clist->selection == NULL && clist->focus_row > -1) { GList *list; list = g_list_nth (clist->row_list, clist->focus_row); if (list && ETH_CLIST_ROW (list)->selectable) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, event); else gtk_widget_draw_focus (widget); } else gtk_widget_draw_focus (widget); return FALSE; } static gint eth_clist_focus_out (GtkWidget *widget, GdkEventFocus *event) { EthCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); ETH_CLIST_SET_FLAG (widget, CLIST_CHILD_HAS_FOCUS); gtk_widget_draw_focus (widget); clist = ETH_CLIST (widget); ETH_CLIST_CLASS_FW (widget)->resync_selection (clist, (GdkEvent *) event); return FALSE; } static void eth_clist_set_focus_child (GtkContainer *container, GtkWidget *child) { g_return_if_fail (container != NULL); g_return_if_fail (ETH_IS_CLIST (container)); if (child) { g_return_if_fail (GTK_IS_WIDGET (child)); ETH_CLIST_SET_FLAG (container, CLIST_CHILD_HAS_FOCUS); } parent_class->set_focus_child (container, child); } static gboolean title_focus (EthCList *clist, gint dir) { GtkWidget *focus_child; gboolean return_val = FALSE; gint last_column; gint d = 1; gint i = 0; gint j; if (!ETH_CLIST_SHOW_TITLES(clist)) return FALSE; focus_child = GTK_CONTAINER (clist)->focus_child; for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--) ; switch (dir) { case GTK_DIR_TAB_BACKWARD: case GTK_DIR_UP: if (!focus_child || !ETH_CLIST_CHILD_HAS_FOCUS(clist)) { if (dir == GTK_DIR_UP) i = COLUMN_FROM_XPIXEL (clist, 0); else i = last_column; focus_child = clist->column[i].button; dir = GTK_DIR_TAB_FORWARD; } else d = -1; break; case GTK_DIR_LEFT: d = -1; if (!focus_child) { i = last_column; focus_child = clist->column[i].button; } break; case GTK_DIR_RIGHT: if (!focus_child) { i = 0; focus_child = clist->column[i].button; } break; } if (focus_child) while (i < clist->columns) { if (clist->column[i].button == focus_child) { if (clist->column[i].button && GTK_WIDGET_VISIBLE (clist->column[i].button) && GTK_IS_CONTAINER (clist->column[i].button) && !GTK_WIDGET_HAS_FOCUS(clist->column[i].button)) if (gtk_container_focus (GTK_CONTAINER (clist->column[i].button), dir)) { return_val = TRUE; i -= d; } if (!return_val && dir == GTK_DIR_UP) return FALSE; i += d; break; } i++; } j = i; if (!return_val) while (j >= 0 && j < clist->columns) { if (clist->column[j].button && GTK_WIDGET_VISIBLE (clist->column[j].button)) { if (GTK_IS_CONTAINER (clist->column[j].button) && gtk_container_focus (GTK_CONTAINER (clist->column[j].button), dir)) { return_val = TRUE; break; } else if (GTK_WIDGET_CAN_FOCUS (clist->column[j].button)) { gtk_widget_grab_focus (clist->column[j].button); return_val = TRUE; break; } } j += d; } if (return_val) { if (COLUMN_LEFT_XPIXEL (clist, j) < CELL_SPACING + COLUMN_INSET) eth_clist_moveto (clist, -1, j, 0, 0); else if (COLUMN_LEFT_XPIXEL(clist, j) + clist->column[j].area.width > clist->clist_window_width) { if (j == last_column) eth_clist_moveto (clist, -1, j, 0, 0); else eth_clist_moveto (clist, -1, j, 0, 1); } } return return_val; } /* PRIVATE SCROLLING FUNCTIONS * move_focus_row * scroll_horizontal * scroll_vertical * move_horizontal * move_vertical * horizontal_timeout * vertical_timeout * remove_grab */ static void move_focus_row (EthCList *clist, GtkScrollType scroll_type, gfloat position) { GtkWidget *widget; g_return_if_fail (clist != 0); g_return_if_fail (ETH_IS_CLIST (clist)); widget = GTK_WIDGET (clist); switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: if (clist->focus_row <= 0) return; eth_clist_draw_focus (widget); clist->focus_row--; eth_clist_draw_focus (widget); break; case GTK_SCROLL_STEP_FORWARD: if (clist->focus_row >= clist->rows - 1) return; eth_clist_draw_focus (widget); clist->focus_row++; eth_clist_draw_focus (widget); break; case GTK_SCROLL_PAGE_BACKWARD: if (clist->focus_row <= 0) return; eth_clist_draw_focus (widget); clist->focus_row = MAX (0, clist->focus_row - (2 * clist->clist_window_height - clist->row_height - CELL_SPACING) / (2 * (clist->row_height + CELL_SPACING))); eth_clist_draw_focus (widget); break; case GTK_SCROLL_PAGE_FORWARD: if (clist->focus_row >= clist->rows - 1) return; eth_clist_draw_focus (widget); clist->focus_row = MIN (clist->rows - 1, clist->focus_row + (2 * clist->clist_window_height - clist->row_height - CELL_SPACING) / (2 * (clist->row_height + CELL_SPACING))); eth_clist_draw_focus (widget); break; case GTK_SCROLL_JUMP: if (position >= 0 && position <= 1) { eth_clist_draw_focus (widget); clist->focus_row = position * (clist->rows - 1); eth_clist_draw_focus (widget); } break; default: break; } } static void scroll_horizontal (EthCList *clist, GtkScrollType scroll_type, gfloat position) { gint column = 0; gint last_column; g_return_if_fail (clist != 0); g_return_if_fail (ETH_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--) ; switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: column = COLUMN_FROM_XPIXEL (clist, 0); if (COLUMN_LEFT_XPIXEL (clist, column) - CELL_SPACING - COLUMN_INSET >= 0 && column > 0) column--; break; case GTK_SCROLL_STEP_FORWARD: column = COLUMN_FROM_XPIXEL (clist, clist->clist_window_width); if (column < 0) return; if (COLUMN_LEFT_XPIXEL (clist, column) + clist->column[column].area.width + CELL_SPACING + COLUMN_INSET - 1 <= clist->clist_window_width && column < last_column) column++; break; case GTK_SCROLL_PAGE_BACKWARD: case GTK_SCROLL_PAGE_FORWARD: return; case GTK_SCROLL_JUMP: if (position >= 0 && position <= 1) { gint vis_columns = 0; gint i; for (i = 0; i <= last_column; i++) if (clist->column[i].visible) vis_columns++; column = position * vis_columns; for (i = 0; i <= last_column && column > 0; i++) if (clist->column[i].visible) column--; column = i; } else return; break; default: break; } if (COLUMN_LEFT_XPIXEL (clist, column) < CELL_SPACING + COLUMN_INSET) eth_clist_moveto (clist, -1, column, 0, 0); else if (COLUMN_LEFT_XPIXEL (clist, column) + CELL_SPACING + COLUMN_INSET - 1 + clist->column[column].area.width > clist->clist_window_width) { if (column == last_column) eth_clist_moveto (clist, -1, column, 0, 0); else eth_clist_moveto (clist, -1, column, 0, 1); } } static void scroll_vertical (EthCList *clist, GtkScrollType scroll_type, gfloat position) { gint old_focus_row; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: if (clist->anchor >= 0) return; case GTK_SELECTION_BROWSE: old_focus_row = clist->focus_row; move_focus_row (clist, scroll_type, position); if (old_focus_row != clist->focus_row) { if (clist->selection_mode == GTK_SELECTION_BROWSE) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], old_focus_row, -1, NULL); else if (!ETH_CLIST_ADD_MODE(clist)) { eth_clist_unselect_all (clist); clist->undo_anchor = old_focus_row; } } switch (eth_clist_row_is_visible (clist, clist->focus_row)) { case GTK_VISIBILITY_NONE: if (old_focus_row != clist->focus_row && !(clist->selection_mode == GTK_SELECTION_EXTENDED && ETH_CLIST_ADD_MODE(clist))) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, NULL); switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: case GTK_SCROLL_PAGE_BACKWARD: eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); break; case GTK_SCROLL_STEP_FORWARD: case GTK_SCROLL_PAGE_FORWARD: eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); break; case GTK_SCROLL_JUMP: eth_clist_moveto (clist, clist->focus_row, -1, 0.5, 0); break; default: break; } break; case GTK_VISIBILITY_PARTIAL: switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: case GTK_SCROLL_PAGE_BACKWARD: eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); break; case GTK_SCROLL_STEP_FORWARD: case GTK_SCROLL_PAGE_FORWARD: eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); break; case GTK_SCROLL_JUMP: eth_clist_moveto (clist, clist->focus_row, -1, 0.5, 0); break; default: break; } default: if (old_focus_row != clist->focus_row && !(clist->selection_mode == GTK_SELECTION_EXTENDED && ETH_CLIST_ADD_MODE(clist))) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], clist->focus_row, -1, NULL); break; } break; default: move_focus_row (clist, scroll_type, position); if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) eth_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) eth_clist_moveto (clist, clist->focus_row, -1, 0, 0); break; } } static void move_horizontal (EthCList *clist, gint diff) { gfloat value; if (!clist->hadjustment) return; value = CLAMP (clist->hadjustment->value + diff, 0.0, clist->hadjustment->upper - clist->hadjustment->page_size); gtk_adjustment_set_value(clist->hadjustment, value); } static void move_vertical (EthCList *clist, gint row, gfloat align) { gfloat value; if (!clist->vadjustment) return; value = (ROW_TOP_YPIXEL (clist, row) - clist->voffset - align * (clist->clist_window_height - clist->row_height) + (2 * align - 1) * CELL_SPACING); if (value + clist->vadjustment->page_size > clist->vadjustment->upper) value = clist->vadjustment->upper - clist->vadjustment->page_size; gtk_adjustment_set_value(clist->vadjustment, value); } static gint horizontal_timeout (EthCList *clist) { GdkEventMotion event; GDK_THREADS_ENTER (); clist->htimer = 0; event.type = GDK_MOTION_NOTIFY; event.send_event = TRUE; eth_clist_motion (GTK_WIDGET (clist), &event); GDK_THREADS_LEAVE (); return FALSE; } static gint vertical_timeout (EthCList *clist) { GdkEventMotion event; GDK_THREADS_ENTER (); clist->vtimer = 0; event.type = GDK_MOTION_NOTIFY; event.send_event = TRUE; eth_clist_motion (GTK_WIDGET (clist), &event); GDK_THREADS_LEAVE (); return FALSE; } static void remove_grab (EthCList *clist) { if (GTK_WIDGET_HAS_GRAB (clist)) { gtk_grab_remove (GTK_WIDGET (clist)); if (gdk_pointer_is_grabbed ()) gdk_pointer_ungrab (GDK_CURRENT_TIME); } if (clist->htimer) { gtk_timeout_remove (clist->htimer); clist->htimer = 0; } if (clist->vtimer) { gtk_timeout_remove (clist->vtimer); clist->vtimer = 0; } } /* PUBLIC SORTING FUNCTIONS * eth_clist_sort * eth_clist_set_compare_func * eth_clist_set_auto_sort * eth_clist_set_sort_type * eth_clist_set_sort_column */ void eth_clist_sort (EthCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); ETH_CLIST_CLASS_FW (clist)->sort_list (clist); } void eth_clist_set_compare_func (EthCList *clist, EthCListCompareFunc cmp_func) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); clist->compare = (cmp_func) ? cmp_func : default_compare; } void eth_clist_set_auto_sort (EthCList *clist, gboolean auto_sort) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (ETH_CLIST_AUTO_SORT(clist) && !auto_sort) ETH_CLIST_UNSET_FLAG (clist, CLIST_AUTO_SORT); else if (!ETH_CLIST_AUTO_SORT(clist) && auto_sort) { ETH_CLIST_SET_FLAG (clist, CLIST_AUTO_SORT); eth_clist_sort (clist); } } void eth_clist_set_sort_type (EthCList *clist, GtkSortType sort_type) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); clist->sort_type = sort_type; } void eth_clist_set_sort_column (EthCList *clist, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; clist->sort_column = column; } /* PRIVATE SORTING FUNCTIONS * default_compare * real_sort_list * eth_clist_merge * eth_clist_mergesort */ static gint default_compare (EthCList *clist, gconstpointer ptr1, gconstpointer ptr2) { char *text1 = NULL; char *text2 = NULL; EthCListRow *row1 = (EthCListRow *) ptr1; EthCListRow *row2 = (EthCListRow *) ptr2; switch (row1->cell[clist->sort_column].type) { case ETH_CELL_TEXT: text1 = ETH_CELL_TEXT (row1->cell[clist->sort_column])->text; break; case ETH_CELL_PIXTEXT: text1 = ETH_CELL_PIXTEXT (row1->cell[clist->sort_column])->text; break; default: break; } switch (row2->cell[clist->sort_column].type) { case ETH_CELL_TEXT: text2 = ETH_CELL_TEXT (row2->cell[clist->sort_column])->text; break; case ETH_CELL_PIXTEXT: text2 = ETH_CELL_PIXTEXT (row2->cell[clist->sort_column])->text; break; default: break; } if (!text2) return (text1 != NULL); if (!text1) return -1; return strcmp (text1, text2); } static void real_sort_list (EthCList *clist) { GList *list; GList *work; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (clist->rows <= 1) return; if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; eth_clist_freeze (clist); if (clist->anchor != -1 && clist->selection_mode == GTK_SELECTION_EXTENDED) { ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } clist->row_list = eth_clist_mergesort (clist, clist->row_list, clist->rows); work = clist->selection; for (i = 0, list = clist->row_list; i < clist->rows; i++, list = list->next) { if (ETH_CLIST_ROW (list)->state == GTK_STATE_SELECTED) { work->data = GINT_TO_POINTER (i); work = work->next; } if (i == clist->rows - 1) clist->row_list_end = list; } eth_clist_thaw (clist); } static GList * eth_clist_merge (EthCList *clist, GList *a, /* first list to merge */ GList *b) /* second list to merge */ { GList z = { NULL, NULL, NULL }; /* auxiliary node */ GList *c; gint cmp; c = &z; while (a || b) { if (a && !b) { c->next = a; a->prev = c; c = a; a = a->next; break; } else if (!a && b) { c->next = b; b->prev = c; c = b; b = b->next; break; } else /* a && b */ { cmp = clist->compare (clist, ETH_CLIST_ROW (a), ETH_CLIST_ROW (b)); if ((cmp >= 0 && clist->sort_type == GTK_SORT_DESCENDING) || (cmp <= 0 && clist->sort_type == GTK_SORT_ASCENDING) || (a && !b)) { c->next = a; a->prev = c; c = a; a = a->next; } else { c->next = b; b->prev = c; c = b; b = b->next; } } } return z.next; } static GList * eth_clist_mergesort (EthCList *clist, GList *list, /* the list to sort */ gint num) /* the list's length */ { GList *half; gint i; if (num == 1) { return list; } else { /* move "half" to the middle */ half = list; for (i = 0; i < num / 2; i++) half = half->next; /* cut the list in two */ half->prev->next = NULL; half->prev = NULL; /* recursively sort both lists */ return eth_clist_merge (clist, eth_clist_mergesort (clist, list, num / 2), eth_clist_mergesort (clist, half, num - num / 2)); } } /************************/ static void drag_source_info_destroy (gpointer data) { EthCListCellInfo *info = data; g_free (info); } static void drag_dest_info_destroy (gpointer data) { EthCListDestInfo *info = data; g_free (info); } static void drag_dest_cell (EthCList *clist, gint x, gint y, EthCListDestInfo *dest_info) { GtkWidget *widget; widget = GTK_WIDGET (clist); dest_info->insert_pos = ETH_CLIST_DRAG_NONE; y -= (GTK_CONTAINER (clist)->border_width + widget->style->klass->ythickness + clist->column_title_area.height); dest_info->cell.row = ROW_FROM_YPIXEL (clist, y); if (dest_info->cell.row >= clist->rows) { dest_info->cell.row = clist->rows - 1; y = ROW_TOP_YPIXEL (clist, dest_info->cell.row) + clist->row_height; } if (dest_info->cell.row < -1) dest_info->cell.row = -1; x -= GTK_CONTAINER (widget)->border_width + widget->style->klass->xthickness; dest_info->cell.column = COLUMN_FROM_XPIXEL (clist, x); if (dest_info->cell.row >= 0) { gint y_delta; gint h = 0; y_delta = y - ROW_TOP_YPIXEL (clist, dest_info->cell.row); if (ETH_CLIST_DRAW_DRAG_RECT(clist)) { dest_info->insert_pos = ETH_CLIST_DRAG_INTO; h = clist->row_height / 4; } else if (ETH_CLIST_DRAW_DRAG_LINE(clist)) { dest_info->insert_pos = ETH_CLIST_DRAG_BEFORE; h = clist->row_height / 2; } if (ETH_CLIST_DRAW_DRAG_LINE(clist)) { if (y_delta < h) dest_info->insert_pos = ETH_CLIST_DRAG_BEFORE; else if (clist->row_height - y_delta < h) dest_info->insert_pos = ETH_CLIST_DRAG_AFTER; } } } static void eth_clist_drag_begin (GtkWidget *widget, GdkDragContext *context) { EthCList *clist; EthCListCellInfo *info; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (context != NULL); clist = ETH_CLIST (widget); clist->drag_button = 0; remove_grab (clist); switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: update_extended_selection (clist, clist->focus_row); ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); break; case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: clist->anchor = -1; case GTK_SELECTION_BROWSE: break; } info = g_dataset_get_data (context, "gtk-clist-drag-source"); if (!info) { info = g_new (EthCListCellInfo, 1); if (clist->click_cell.row < 0) clist->click_cell.row = 0; else if (clist->click_cell.row >= clist->rows) clist->click_cell.row = clist->rows - 1; info->row = clist->click_cell.row; info->column = clist->click_cell.column; g_dataset_set_data_full (context, "gtk-clist-drag-source", info, drag_source_info_destroy); } if (ETH_CLIST_USE_DRAG_ICONS (clist)) gtk_drag_set_icon_default (context); } static void eth_clist_drag_end (GtkWidget *widget, GdkDragContext *context) { EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (context != NULL); clist = ETH_CLIST (widget); clist->click_cell.row = -1; clist->click_cell.column = -1; } static void eth_clist_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time _U_) { EthCList *clist; EthCListDestInfo *dest_info; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (context != NULL); clist = ETH_CLIST (widget); dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest"); if (dest_info) { if (dest_info->cell.row >= 0 && ETH_CLIST_REORDERABLE(clist) && gtk_drag_get_source_widget (context) == widget) { GList *list; GdkAtom atom = gdk_atom_intern ("gtk-clist-drag-reorder", FALSE); list = context->targets; while (list) { if (atom == GPOINTER_TO_UINT (list->data)) { ETH_CLIST_CLASS_FW (clist)->draw_drag_highlight (clist, g_list_nth (clist->row_list, dest_info->cell.row)->data, dest_info->cell.row, dest_info->insert_pos); break; } list = list->next; } } g_dataset_remove_data (context, "gtk-clist-drag-dest"); } } static gint eth_clist_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { EthCList *clist; EthCListDestInfo new_info; EthCListDestInfo *dest_info; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); clist = ETH_CLIST (widget); dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest"); if (!dest_info) { dest_info = g_new (EthCListDestInfo, 1); dest_info->insert_pos = ETH_CLIST_DRAG_NONE; dest_info->cell.row = -1; dest_info->cell.column = -1; g_dataset_set_data_full (context, "gtk-clist-drag-dest", dest_info, drag_dest_info_destroy); } drag_dest_cell (clist, x, y, &new_info); if (ETH_CLIST_REORDERABLE (clist)) { GList *list; GdkAtom atom = gdk_atom_intern ("gtk-clist-drag-reorder", FALSE); list = context->targets; while (list) { if (atom == GPOINTER_TO_UINT (list->data)) break; list = list->next; } if (list) { if (gtk_drag_get_source_widget (context) != widget || new_info.insert_pos == ETH_CLIST_DRAG_NONE || new_info.cell.row == clist->click_cell.row || (new_info.cell.row == clist->click_cell.row - 1 && new_info.insert_pos == ETH_CLIST_DRAG_AFTER) || (new_info.cell.row == clist->click_cell.row + 1 && new_info.insert_pos == ETH_CLIST_DRAG_BEFORE)) { if (dest_info->cell.row < 0) { gdk_drag_status (context, GDK_ACTION_DEFAULT, time); return FALSE; } return TRUE; } if (new_info.cell.row != dest_info->cell.row || (new_info.cell.row == dest_info->cell.row && dest_info->insert_pos != new_info.insert_pos)) { if (dest_info->cell.row >= 0) ETH_CLIST_CLASS_FW (clist)->draw_drag_highlight (clist, g_list_nth (clist->row_list, dest_info->cell.row)->data, dest_info->cell.row, dest_info->insert_pos); dest_info->insert_pos = new_info.insert_pos; dest_info->cell.row = new_info.cell.row; dest_info->cell.column = new_info.cell.column; ETH_CLIST_CLASS_FW (clist)->draw_drag_highlight (clist, g_list_nth (clist->row_list, dest_info->cell.row)->data, dest_info->cell.row, dest_info->insert_pos); gdk_drag_status (context, context->suggested_action, time); } return TRUE; } } dest_info->insert_pos = new_info.insert_pos; dest_info->cell.row = new_info.cell.row; dest_info->cell.column = new_info.cell.column; return TRUE; } static gboolean eth_clist_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x _U_, gint y _U_, guint time _U_) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (ETH_IS_CLIST (widget), FALSE); g_return_val_if_fail (context != NULL, FALSE); if (ETH_CLIST_REORDERABLE (widget) && gtk_drag_get_source_widget (context) == widget) { GList *list; GdkAtom atom = gdk_atom_intern ("gtk-clist-drag-reorder", FALSE); list = context->targets; while (list) { if (atom == GPOINTER_TO_UINT (list->data)) return TRUE; list = list->next; } } return FALSE; } static void eth_clist_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info _U_, guint time _U_) { EthCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (context != NULL); g_return_if_fail (selection_data != NULL); clist = ETH_CLIST (widget); if (ETH_CLIST_REORDERABLE (clist) && gtk_drag_get_source_widget (context) == widget && selection_data->target == gdk_atom_intern ("gtk-clist-drag-reorder", FALSE) && selection_data->format == GTK_TYPE_POINTER && selection_data->length == sizeof (EthCListCellInfo)) { EthCListCellInfo *source_info; source_info = (EthCListCellInfo *)(selection_data->data); if (source_info) { EthCListDestInfo dest_info; drag_dest_cell (clist, x, y, &dest_info); if (dest_info.insert_pos == ETH_CLIST_DRAG_AFTER) dest_info.cell.row++; if (source_info->row < dest_info.cell.row) dest_info.cell.row--; if (dest_info.cell.row != source_info->row) eth_clist_row_move (clist, source_info->row, dest_info.cell.row); g_dataset_remove_data (context, "gtk-clist-drag-dest"); } } } static void eth_clist_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, guint info _U_, guint time _U_) { g_return_if_fail (widget != NULL); g_return_if_fail (ETH_IS_CLIST (widget)); g_return_if_fail (context != NULL); g_return_if_fail (selection_data != NULL); if (selection_data->target == gdk_atom_intern ("gtk-clist-drag-reorder", FALSE)) { EthCListCellInfo *info; info = g_dataset_get_data (context, "gtk-clist-drag-source"); if (info) { EthCListCellInfo ret_info; ret_info.row = info->row; ret_info.column = info->column; gtk_selection_data_set (selection_data, selection_data->target, GTK_TYPE_POINTER, (guchar *) &ret_info, sizeof (EthCListCellInfo)); } else gtk_selection_data_set (selection_data, selection_data->target, GTK_TYPE_POINTER, NULL, 0); } } static void draw_drag_highlight (EthCList *clist, EthCListRow *dest_row _U_, gint dest_row_number, EthCListDragPos drag_pos) { gint y; y = ROW_TOP_YPIXEL (clist, dest_row_number) - 1; switch (drag_pos) { case ETH_CLIST_DRAG_NONE: break; case ETH_CLIST_DRAG_AFTER: y += clist->row_height + 1; case ETH_CLIST_DRAG_BEFORE: gdk_draw_line (clist->clist_window, clist->xor_gc, 0, y, clist->clist_window_width, y); break; case ETH_CLIST_DRAG_INTO: gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height); break; } } void eth_clist_set_reorderable (EthCList *clist, gboolean reorderable) { GtkWidget *widget; g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if ((ETH_CLIST_REORDERABLE(clist) != 0) == reorderable) return; widget = GTK_WIDGET (clist); if (reorderable) { ETH_CLIST_SET_FLAG (clist, CLIST_REORDERABLE); gtk_drag_dest_set (widget, GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP, &clist_target_table, 1, GDK_ACTION_MOVE); } else { ETH_CLIST_UNSET_FLAG (clist, CLIST_REORDERABLE); gtk_drag_dest_unset (GTK_WIDGET (clist)); } } void eth_clist_set_use_drag_icons (EthCList *clist, gboolean use_icons) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (use_icons != 0) ETH_CLIST_SET_FLAG (clist, CLIST_USE_DRAG_ICONS); else ETH_CLIST_UNSET_FLAG (clist, CLIST_USE_DRAG_ICONS); } void eth_clist_set_button_actions (EthCList *clist, guint button, guint8 button_actions) { g_return_if_fail (clist != NULL); g_return_if_fail (ETH_IS_CLIST (clist)); if (button < MAX_BUTTON) { if (gdk_pointer_is_grabbed () || GTK_WIDGET_HAS_GRAB (clist)) { remove_grab (clist); clist->drag_button = 0; } ETH_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); clist->button_actions[button] = button_actions; } }