/* gui_prefs.c * Dialog box for GUI preferences * * $Id: gui_prefs.c,v 1.66 2004/03/13 15:15:24 ulfl Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include "globals.h" #include "gui_prefs.h" #include "gtkglobals.h" #include "help_dlg.h" #include "supported_protos_dlg.h" #include "prefs.h" #include "prefs_dlg.h" #include "ui_util.h" #include "simple_dialog.h" #include "dlg_utils.h" #include "proto_draw.h" #include "main.h" #include "packet_list.h" #include "compat_macros.h" #include "toolbar.h" #include "recent.h" static gint fetch_enum_value(gpointer control, const enum_val_t *enumvals); static gint fileopen_dir_changed_cb(GtkWidget *myentry _U_, GdkEvent *event, gpointer parent_w); static void fileopen_selected_cb(GtkWidget *mybutton_rb _U_, gpointer parent_w); static gint recent_files_count_changed_cb(GtkWidget *recent_files_entry _U_, GdkEvent *event _U_, gpointer parent_w); #define SCROLLBAR_PLACEMENT_KEY "scrollbar_placement" #define PLIST_SEL_BROWSE_KEY "plist_sel_browse" #define PTREE_SEL_BROWSE_KEY "ptree_sel_browse" #if GTK_MAJOR_VERSION < 2 #define PTREE_LINE_STYLE_KEY "ptree_line_style" #define PTREE_EXPANDER_STYLE_KEY "ptree_expander_style" #else #define ALTERN_COLORS_KEY "altern_colors" #endif #define HEX_DUMP_HIGHLIGHT_STYLE_KEY "hex_dump_highlight_style" #define GEOMETRY_POSITION_KEY "geometry_position" #define GEOMETRY_SIZE_KEY "geometry_size" #define GEOMETRY_MAXIMIZED_KEY "geometry_maximized" #define GUI_FILEOPEN_KEY "fileopen_behavior" #define GUI_RECENT_FILES_COUNT_KEY "recent_files_count" #define GUI_FILEOPEN_DIR_KEY "fileopen_directory" #define GUI_TOOLBAR_STYLE_KEY "toolbar_style" static const enum_val_t scrollbar_placement_vals[] = { { "Left", FALSE }, { "Right", TRUE }, { NULL, 0 } }; static const enum_val_t selection_mode_vals[] = { { "Selects", FALSE }, { "Browses", TRUE }, { NULL, 0 } }; #if GTK_MAJOR_VERSION < 2 static const enum_val_t line_style_vals[] = { { "None", 0 }, { "Solid", 1 }, { "Dotted", 2 }, { "Tabbed", 3 }, { NULL, 0 } }; static const enum_val_t expander_style_vals[] = { { "None", 0 }, { "Square", 1 }, { "Triangle", 2 }, { "Circular", 3 }, { NULL, 0 } }; #else static const enum_val_t altern_colors_vals[] = { { "No", FALSE }, { "Yes", TRUE }, { NULL, 0 } }; #endif static const enum_val_t highlight_style_vals[] = { { "Bold", FALSE }, { "Inverse", TRUE }, { NULL, 0 } }; static const enum_val_t toolbar_style_vals[] = { { "Icons only", TB_STYLE_ICONS }, { "Text only", TB_STYLE_TEXT }, { "Icons & Text", TB_STYLE_BOTH }, { NULL, 0 } }; static const enum_val_t gui_fileopen_vals[] = { { "Remember last directory", FO_STYLE_LAST_OPENED }, { "Always start in:", FO_STYLE_SPECIFIED }, { NULL, 0 } }; /* Set to FALSE initially; set to TRUE if the user ever hits "OK" on the "Font..." dialog, so that we know that they (probably) changed the font, and therefore that the "apply" function needs to take care of that */ static gboolean font_changed; /* Font name from the font dialog box; if "font_changed" is TRUE, this has been set to the name of the font the user selected. */ static gchar *new_font_name; static GtkWidget *font_browse_w; /* Used to contain the string from the Recent Files Count Max pref item */ static char recent_files_count_max_str[128] = ""; #if GTK_MAJOR_VERSION < 2 #define GUI_TABLE_ROWS 10 #else #define GUI_TABLE_ROWS 9 #endif GtkWidget* gui_prefs_show(void) { GtkWidget *main_tb, *main_vb, *hbox; GtkWidget *scrollbar_om, *plist_browse_om; GtkWidget *ptree_browse_om, *highlight_style_om; GtkWidget *fileopen_rb, *fileopen_dir_te, *toolbar_style_om; GtkWidget *recent_files_count_max_te; GtkWidget *save_position_cb, *save_size_cb, *save_maximized_cb; #if GTK_MAJOR_VERSION < 2 GtkWidget *expander_style_om, *line_style_om; #else GtkWidget *altern_colors_om; #endif int pos = 0; char current_val_str[128]; /* The font haven't been changed yet. */ font_changed = FALSE; /* Main vertical box */ main_vb = gtk_vbox_new(FALSE, 7); gtk_container_border_width( GTK_CONTAINER(main_vb), 5 ); /* Main horizontal box */ /* XXX - Is there a better way to center the table? */ hbox = gtk_hbox_new(FALSE, 7); gtk_box_pack_start (GTK_BOX(main_vb), hbox, TRUE, FALSE, 0); /* Main table */ main_tb = gtk_table_new(GUI_TABLE_ROWS, 2, FALSE); gtk_box_pack_start( GTK_BOX(hbox), main_tb, TRUE, FALSE, 0 ); gtk_table_set_row_spacings( GTK_TABLE(main_tb), 10 ); gtk_table_set_col_spacings( GTK_TABLE(main_tb), 15 ); gtk_table_set_col_spacing( GTK_TABLE(main_tb), 0, 50 ); /* Scrollbar placement */ scrollbar_om = create_preference_option_menu(main_tb, pos++, "Vertical scrollbar placement:", NULL, scrollbar_placement_vals, prefs.gui_scrollbar_on_right); OBJECT_SET_DATA(main_vb, SCROLLBAR_PLACEMENT_KEY, scrollbar_om); /* Packet list selection browseable */ plist_browse_om = create_preference_option_menu(main_tb, pos++, "Packet list selection mode:", NULL, selection_mode_vals, prefs.gui_plist_sel_browse); OBJECT_SET_DATA(main_vb, PLIST_SEL_BROWSE_KEY, plist_browse_om); /* Proto tree selection browseable */ ptree_browse_om = create_preference_option_menu(main_tb, pos++, "Protocol tree selection mode:", NULL, selection_mode_vals, prefs.gui_ptree_sel_browse); OBJECT_SET_DATA(main_vb, PTREE_SEL_BROWSE_KEY, ptree_browse_om); #if GTK_MAJOR_VERSION < 2 /* Tree line style */ line_style_om = create_preference_option_menu(main_tb, pos++, "Tree line style:", NULL, line_style_vals, prefs.gui_ptree_line_style); OBJECT_SET_DATA(main_vb, PTREE_LINE_STYLE_KEY, line_style_om); /* Tree expander style */ expander_style_om = create_preference_option_menu(main_tb, pos++, "Tree expander style:", NULL, expander_style_vals, prefs.gui_ptree_expander_style); OBJECT_SET_DATA(main_vb, PTREE_EXPANDER_STYLE_KEY, expander_style_om); #else /* Alternating row colors in list and tree views */ altern_colors_om = create_preference_option_menu(main_tb, pos++, "Alternating row colors in lists and trees:", NULL, altern_colors_vals, prefs.gui_altern_colors); OBJECT_SET_DATA(main_vb, ALTERN_COLORS_KEY, altern_colors_om); #endif /* Hex Dump highlight style */ highlight_style_om = create_preference_option_menu(main_tb, pos++, "Hex display highlight style:", NULL, highlight_style_vals, prefs.gui_hex_dump_highlight_style); OBJECT_SET_DATA(main_vb, HEX_DUMP_HIGHLIGHT_STYLE_KEY, highlight_style_om); /* Toolbar prefs */ toolbar_style_om = create_preference_option_menu(main_tb, pos++, "Toolbar style:", NULL, toolbar_style_vals, prefs.gui_toolbar_main_style); OBJECT_SET_DATA(main_vb, GUI_TOOLBAR_STYLE_KEY, toolbar_style_om); /* Geometry prefs */ save_position_cb = create_preference_check_button(main_tb, pos++, "Save window position:", NULL, prefs.gui_geometry_save_position); OBJECT_SET_DATA(main_vb, GEOMETRY_POSITION_KEY, save_position_cb); save_size_cb = create_preference_check_button(main_tb, pos++, "Save window size:", NULL, prefs.gui_geometry_save_size); OBJECT_SET_DATA(main_vb, GEOMETRY_SIZE_KEY, save_size_cb); save_maximized_cb = create_preference_check_button(main_tb, pos++, "Save maximized state:", NULL, prefs.gui_geometry_save_maximized); OBJECT_SET_DATA(main_vb, GEOMETRY_MAXIMIZED_KEY, save_maximized_cb); /* Allow user to select where they want the File Open dialog to open to * by default */ fileopen_rb = create_preference_radio_buttons(main_tb, pos++, "\"File Open\" dialog behavior:", NULL, gui_fileopen_vals, prefs.gui_fileopen_style); /* Directory to default File Open dialog to */ fileopen_dir_te = create_preference_entry(main_tb, pos++, "Directory:", NULL, prefs.gui_fileopen_dir); OBJECT_SET_DATA(main_vb, GUI_FILEOPEN_KEY, fileopen_rb); OBJECT_SET_DATA(main_vb, GUI_FILEOPEN_DIR_KEY, fileopen_dir_te); SIGNAL_CONNECT(fileopen_rb, "clicked", fileopen_selected_cb, main_vb); SIGNAL_CONNECT(fileopen_dir_te, "focus-out-event", fileopen_dir_changed_cb, main_vb); /* Number of entries in the recent_files list ... */ recent_files_count_max_te = create_preference_entry(main_tb, pos++, "\"Open Recent\" max. list entries:", "Maximum number of recent files", recent_files_count_max_str); g_snprintf(current_val_str, 128, "%d", prefs.gui_recent_files_count_max); gtk_entry_set_text(GTK_ENTRY(recent_files_count_max_te), current_val_str); OBJECT_SET_DATA(main_vb, GUI_RECENT_FILES_COUNT_KEY, recent_files_count_max_te); SIGNAL_CONNECT(recent_files_count_max_te, "focus_out_event", recent_files_count_changed_cb, main_vb); fileopen_selected_cb(NULL, main_vb); /* Show 'em what we got */ gtk_widget_show_all(main_vb); return(main_vb); } /* Create a font widget for browsing. */ GtkWidget * gui_font_prefs_show(void) { #if 0 #if GTK_MAJOR_VERSION < 2 static gchar *fixedwidths[] = { "c", "m", NULL }; #endif #endif /* Now create a new widget. */ font_browse_w = (GtkWidget *) gtk_font_selection_new(); /*gtk_font_selection_set_preview_text(GTK_FONT_SELECTION(font_browse_w), "WWWWWWWW llllllll (Tip: use a fixed width font)");*/ #if 0 /* GTK (at least version 1.3) has an annoying bug: */ /* when using the font selection instead of the dialog, */ /* the widget seems to disconnected from the parent, */ /* if a filter is used! */ #if GTK_MAJOR_VERSION < 2 /* Set its filter to show only fixed_width fonts. */ gtk_font_selection_set_filter( GTK_FONT_SELECTION(font_browse_w), GTK_FONT_FILTER_BASE, /* user can't change the filter */ GTK_FONT_ALL, /* bitmap or scalable are fine */ NULL, /* all foundries are OK */ NULL, /* all weights are OK (XXX - normal only?) */ NULL, /* all slants are OK (XXX - Roman only?) */ NULL, /* all setwidths are OK */ fixedwidths, /* ONLY fixed-width fonts */ NULL); /* all charsets are OK (XXX - ISO 8859/1 only?) */ #endif #endif gtk_widget_show(font_browse_w); return font_browse_w; } static gboolean font_fetch(void) { gchar *font_name; #if GTK_MAJOR_VERSION < 2 gchar *bold_font_name; GdkFont *new_r_font, *new_b_font; #else PangoFontDescription *new_r_font, *new_b_font; #endif font_name = g_strdup(gtk_font_selection_get_font_name( GTK_FONT_SELECTION(font_browse_w))); if (font_name == NULL) { /* No font was selected; let the user know, but don't tear down the font selection dialog, so they can try again. */ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "You have not selected a font."); return FALSE; } #if GTK_MAJOR_VERSION < 2 /* Get the name that the boldface version of that font would have. */ bold_font_name = font_boldify(font_name); /* Now load those fonts, just to make sure we can. */ new_r_font = gdk_font_load(font_name); #else new_r_font = pango_font_description_from_string(font_name); #endif if (new_r_font == NULL) { /* Oops, that font didn't work. Tell the user, but don't tear down the font selection dialog, so that they can try again. */ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "The font you selected cannot be loaded."); g_free(font_name); #if GTK_MAJOR_VERSION < 2 g_free(bold_font_name); #endif return FALSE; } #if GTK_MAJOR_VERSION < 2 new_b_font = gdk_font_load(bold_font_name); #else new_b_font = pango_font_description_copy(new_r_font); pango_font_description_set_weight(new_b_font, PANGO_WEIGHT_BOLD); #endif if (new_b_font == NULL) { /* Oops, that font didn't work. Tell the user, but don't tear down the font selection dialog, so that they can try again. */ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "The font you selected doesn't have a boldface version."); g_free(font_name); #if GTK_MAJOR_VERSION < 2 g_free(bold_font_name); gdk_font_unref(new_r_font); #else pango_font_description_free(new_r_font); #endif return FALSE; } new_font_name = font_name; return TRUE; } static gint fetch_enum_value(gpointer control, const enum_val_t *enumvals) { return fetch_preference_option_menu_val(GTK_WIDGET(control), enumvals); } void gui_prefs_fetch(GtkWidget *w) { prefs.gui_scrollbar_on_right = fetch_enum_value( OBJECT_GET_DATA(w, SCROLLBAR_PLACEMENT_KEY), scrollbar_placement_vals); prefs.gui_plist_sel_browse = fetch_enum_value( OBJECT_GET_DATA(w, PLIST_SEL_BROWSE_KEY), selection_mode_vals); prefs.gui_ptree_sel_browse = fetch_enum_value( OBJECT_GET_DATA(w, PTREE_SEL_BROWSE_KEY), selection_mode_vals); #if GTK_MAJOR_VERSION < 2 prefs.gui_ptree_line_style = fetch_enum_value( OBJECT_GET_DATA(w, PTREE_LINE_STYLE_KEY), line_style_vals); prefs.gui_ptree_expander_style = fetch_enum_value( OBJECT_GET_DATA(w, PTREE_EXPANDER_STYLE_KEY), expander_style_vals); #else prefs.gui_altern_colors = fetch_enum_value( OBJECT_GET_DATA(w, ALTERN_COLORS_KEY), altern_colors_vals); #endif prefs.gui_hex_dump_highlight_style = fetch_enum_value( OBJECT_GET_DATA(w, HEX_DUMP_HIGHLIGHT_STYLE_KEY), highlight_style_vals); prefs.gui_toolbar_main_style = fetch_enum_value( OBJECT_GET_DATA(w, GUI_TOOLBAR_STYLE_KEY), toolbar_style_vals); prefs.gui_geometry_save_position = gtk_toggle_button_get_active(OBJECT_GET_DATA(w, GEOMETRY_POSITION_KEY)); prefs.gui_geometry_save_size = gtk_toggle_button_get_active(OBJECT_GET_DATA(w, GEOMETRY_SIZE_KEY)); prefs.gui_geometry_save_maximized = gtk_toggle_button_get_active(OBJECT_GET_DATA(w, GEOMETRY_MAXIMIZED_KEY)); prefs.gui_fileopen_style = fetch_preference_radio_buttons_val( OBJECT_GET_DATA(w, GUI_FILEOPEN_KEY), gui_fileopen_vals); if (prefs.gui_fileopen_dir != NULL) g_free(prefs.gui_fileopen_dir); prefs.gui_fileopen_dir = g_strdup(gtk_entry_get_text( GTK_ENTRY(OBJECT_GET_DATA(w, GUI_FILEOPEN_DIR_KEY)))); /* * XXX - we need to have a way to fetch the preferences into * local storage and only set the permanent preferences if there * weren't any errors in those fetches, as there are several * places where there *can* be a bad preference value. */ if (font_fetch()) { if (strcmp(new_font_name, prefs.PREFS_GUI_FONT_NAME) != 0) { font_changed = TRUE; if (prefs.PREFS_GUI_FONT_NAME != NULL) g_free(prefs.PREFS_GUI_FONT_NAME); prefs.PREFS_GUI_FONT_NAME = g_strdup(new_font_name); } } } void gui_prefs_apply(GtkWidget *w _U_) { if (font_changed) { /* This redraws the hex dump windows. */ switch (font_apply()) { case FA_SUCCESS: break; case FA_FONT_NOT_RESIZEABLE: /* "font_apply()" popped up an alert box. */ /* turn off zooming - font can't be resized */ recent.gui_zoom_level = 0; break; case FA_FONT_NOT_AVAILABLE: /* We assume this means that the specified size isn't available. */ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "That font font isn't available at the specified zoom level;\n" "turning zooming off."); recent.gui_zoom_level = 0; break; } } else { /* Redraw the hex dump windows, in case the highlight style changed. XXX - do it only if the highlight style *did* change. */ redraw_hex_dump_all(); } /* Redraw the help window(s). */ supported_redraw(); help_redraw(); /* XXX: redraw the toolbar only, if style changed */ toolbar_redraw_all(); set_scrollbar_placement_all(); set_plist_sel_browse(prefs.gui_plist_sel_browse); set_ptree_sel_browse_all(prefs.gui_ptree_sel_browse); set_tree_styles_all(); } void gui_prefs_destroy(GtkWidget *w _U_) { /* Free up any saved font name. */ if (new_font_name != NULL) { g_free(new_font_name); new_font_name = NULL; } } static gint recent_files_count_changed_cb(GtkWidget *recent_files_entry _U_, GdkEvent *event _U_, gpointer parent_w) { GtkWidget *recent_files_count_te; guint newval; recent_files_count_te = (GtkWidget *)OBJECT_GET_DATA(parent_w, GUI_RECENT_FILES_COUNT_KEY); /* * Now, just convert the string to a number and store it in the prefs * filed ... */ newval = strtol(gtk_entry_get_text (GTK_ENTRY(recent_files_count_te)), NULL, 10); if (newval > 0) { prefs.gui_recent_files_count_max = newval; } /* We really should pop up a nasty dialog box if newval <= 0 */ return TRUE; } static gint fileopen_dir_changed_cb(GtkWidget *fileopen_entry _U_, GdkEvent *event _U_, gpointer parent_w) { GtkWidget *fileopen_dir_te; char *lastchar; gint fileopen_dir_te_length; fileopen_dir_te = (GtkWidget *)OBJECT_GET_DATA(parent_w, GUI_FILEOPEN_DIR_KEY); fileopen_dir_te_length = strlen(gtk_entry_get_text (GTK_ENTRY(fileopen_entry))); if (fileopen_dir_te_length == 0) return FALSE; lastchar = gtk_editable_get_chars(GTK_EDITABLE(fileopen_entry), fileopen_dir_te_length-1, -1); if (strcmp(lastchar, G_DIR_SEPARATOR_S) != 0) gtk_entry_append_text(GTK_ENTRY(fileopen_entry), G_DIR_SEPARATOR_S); return FALSE; } static void fileopen_selected_cb(GtkWidget *mybutton_rb _U_, gpointer parent_w) { GtkWidget *fileopen_rb, *fileopen_dir_te; fileopen_rb = (GtkWidget *)OBJECT_GET_DATA(parent_w, GUI_FILEOPEN_KEY); fileopen_dir_te = (GtkWidget *)OBJECT_GET_DATA(parent_w, GUI_FILEOPEN_DIR_KEY); if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(fileopen_rb))) { gtk_widget_set_sensitive(GTK_WIDGET(fileopen_dir_te), TRUE); } else { gtk_widget_set_sensitive(GTK_WIDGET(fileopen_dir_te), FALSE); } return; }