Move the file selection dialog routines to file_dlg.c, and give it a

header file.

#if 0 out some includes; if none of the builds have a problem with
that, I'll remove them.

svn path=/trunk/; revision=18036

1 files changed, 342 insertions, 0 deletions

diff --git a/gtk/file_dlg.c b/gtk/file_dlg.c
new file mode 100644
index 0000000000..71eafd5b3b
--- /dev/null
+++ b/gtk/file_dlg.c
@@ -0,0 +1,342 @@
+/* file_dlg.c
+ * Utilities to use when constructing file selection dialogs
+ *
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * 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 <gtk/gtk.h>
+#if 0
+#include <gdk/gdkkeysyms.h>
+#endif
+
+#include <epan/filesystem.h>
+
+#if 0
+#include "globals.h"
+#endif
+
+#include "gtkglobals.h"
+#include "gui_utils.h"
+#if 0
+#include "dlg_utils.h"
+#endif
+#include "file_dlg.h"
+#include "keys.h"
+#include "compat_macros.h"
+#if 0
+#include "main.h"
+#endif
+
+#include <string.h>
+#if 0
+#include <stdio.h>
+#endif
+
+static gchar *last_open_dir = NULL;
+static gboolean updated_last_open_dir = FALSE;
+
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4) || GTK_MAJOR_VERSION < 2
+static void file_selection_browse_ok_cb(GtkWidget *w, gpointer data);
+#endif
+static void file_selection_browse_destroy_cb(GtkWidget *win, GtkWidget* file_te);
+
+/* Keys ... */
+#define E_FS_CALLER_PTR_KEY       "fs_caller_ptr"
+
+/* Create a file selection dialog box window that belongs to Ethereal's
+   main window. */
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
+GtkWidget *
+file_selection_new(const gchar *title, file_selection_action_t action)
+{
+  GtkWidget *win;
+  GtkFileChooserAction gtk_action;
+  const gchar *ok_button_text;
+
+  switch (action) {
+
+  case FILE_SELECTION_OPEN:
+    gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
+    ok_button_text = GTK_STOCK_OPEN;
+    break;
+
+  case FILE_SELECTION_READ_BROWSE:
+    gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
+    ok_button_text = GTK_STOCK_OK;
+    break;
+
+  case FILE_SELECTION_SAVE:
+    gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
+    ok_button_text = GTK_STOCK_SAVE;
+    break;
+
+  case FILE_SELECTION_WRITE_BROWSE:
+    gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
+    ok_button_text = GTK_STOCK_OK;
+    break;
+
+  default:
+    g_assert_not_reached();
+    gtk_action = -1;
+    ok_button_text = NULL;
+    break;
+  }
+  win = gtk_file_chooser_dialog_new(title, GTK_WINDOW(top_level), gtk_action,
+#ifndef _WIN32
+                                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                    ok_button_text, GTK_RESPONSE_ACCEPT,
+#else
+                                    ok_button_text, GTK_RESPONSE_ACCEPT,
+                                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+#endif
+                                    NULL);
+
+  /* If we've opened a file before, start out by showing the files in the directory
+     in which that file resided. */
+  if (last_open_dir)
+    file_selection_set_current_folder(win, last_open_dir);
+
+  return win;
+}
+#else
+GtkWidget *
+file_selection_new(const gchar *title, file_selection_action_t action _U_)
+{
+  GtkWidget *win;
+
+  win = gtk_file_selection_new(title);
+#if GTK_MAJOR_VERSION >= 2
+  gtk_window_set_position(GTK_WINDOW(win), GTK_WIN_POS_CENTER_ON_PARENT);
+#endif
+  gtk_window_set_transient_for(GTK_WINDOW(win), GTK_WINDOW(top_level));
+
+  /* XXX - why are we doing this?  We don't do it with the GtkFileChooser,
+     as it complains that the file name isn't being set to an absolute
+     path; does this provoke a similar complaint? */
+  gtk_file_selection_set_filename(GTK_FILE_SELECTION(win), "");
+
+  /* If we've opened a file before, start out by showing the files in the directory
+     in which that file resided. */
+  if (last_open_dir)
+    file_selection_set_current_folder(win, last_open_dir);
+
+  return win;
+}
+#endif
+
+/* Set the current folder for a file selection dialog. */
+gboolean
+file_selection_set_current_folder(GtkWidget *fs, const gchar *filename)
+{
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
+    gboolean ret;
+    int filename_len = strlen(filename);
+    gchar *new_filename;
+
+    /* trim filename, so gtk_file_chooser_set_current_folder() likes it, see below */
+    if (filename[filename_len -1] == G_DIR_SEPARATOR 
+#ifdef _WIN32
+        && filename_len > 3)    /* e.g. "D:\" */
+#else
+        && filename_len > 1)    /* e.g. "/" */
+#endif
+    {
+        new_filename = g_strdup(filename);
+        new_filename[filename_len-1] = '\0';
+    } else {
+        new_filename = g_strdup(filename);
+    }
+
+    /* this function is very pedantic about it's filename parameter */
+    /* no trailing '\' allowed, unless a win32 root dir "D:\" */
+    ret = gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(fs), new_filename);
+    g_free(new_filename);
+    return ret;
+#else
+    gtk_file_selection_set_filename(GTK_FILE_SELECTION(fs), filename);
+    return TRUE;
+#endif
+}
+
+/* Set the "extra" widget for a file selection dialog, with user-supplied
+   options. */
+void
+file_selection_set_extra_widget(GtkWidget *fs, GtkWidget *extra)
+{
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
+  gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(fs), extra);
+#else
+  gtk_box_pack_start(GTK_BOX(GTK_FILE_SELECTION(fs)->action_area), extra,
+                     FALSE, FALSE, 0);
+#endif
+}
+
+
+/*
+ * A generic select_file routine that is intended to be connected to
+ * a Browse button on other dialog boxes. This allows the user to browse
+ * for a file and select it. We fill in the text_entry that is given to us. 
+ *
+ * We display the window label specified in our args.
+ */
+void
+file_selection_browse(GtkWidget *file_bt, GtkWidget *file_te, const char *label, file_selection_action_t action)
+{
+  GtkWidget *caller = gtk_widget_get_toplevel(file_bt);
+  GtkWidget *fs;
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
+  gchar     *f_name;
+#endif
+
+  /* Has a file selection dialog box already been opened for that top-level
+     widget? */
+  fs = OBJECT_GET_DATA(caller, E_FILE_SEL_DIALOG_PTR_KEY);
+  if (fs != NULL) {
+    /* Yes.  Just re-activate that dialog box. */
+    reactivate_window(fs);
+    return;
+  }
+
+  fs = file_selection_new(label, action);
+
+  OBJECT_SET_DATA(fs, PRINT_FILE_TE_KEY, file_te);
+
+  /* Set the E_FS_CALLER_PTR_KEY for the new dialog to point to our caller. */
+  OBJECT_SET_DATA(fs, E_FS_CALLER_PTR_KEY, caller);
+
+  /* Set the E_FILE_SEL_DIALOG_PTR_KEY for the caller to point to us */
+  OBJECT_SET_DATA(caller, E_FILE_SEL_DIALOG_PTR_KEY, fs);
+
+  /* Call a handler when the file selection box is destroyed, so we can inform
+     our caller, if any, that it's been destroyed. */
+  SIGNAL_CONNECT(fs, "destroy", GTK_SIGNAL_FUNC(file_selection_browse_destroy_cb), 
+		 file_te);
+
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
+  if (gtk_dialog_run(GTK_DIALOG(fs)) == GTK_RESPONSE_ACCEPT)
+  {
+      f_name = g_strdup(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs)));
+      gtk_entry_set_text(GTK_ENTRY(file_te), f_name);
+      g_free(f_name);
+  }
+  window_destroy(fs);
+#else
+  SIGNAL_CONNECT(GTK_FILE_SELECTION(fs)->ok_button, "clicked", 
+		 file_selection_browse_ok_cb, fs);
+
+  window_set_cancel_button(fs, GTK_FILE_SELECTION(fs)->cancel_button,
+                           window_cancel_button_cb);
+
+  SIGNAL_CONNECT(fs, "delete_event", window_delete_event_cb, fs);
+
+  gtk_widget_show(fs);
+  window_present(fs);
+#endif
+}
+
+
+#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4) || GTK_MAJOR_VERSION < 2
+static void
+file_selection_browse_ok_cb(GtkWidget *w _U_, gpointer data)
+{
+  gchar     *f_name;
+  GtkWidget *win = data;
+
+  f_name = g_strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION (data)));
+
+  /* Perhaps the user specified a directory instead of a file.
+     Check whether they did. */
+  if (test_for_directory(f_name) == EISDIR) {
+        /* It's a directory - set the file selection box to display it. */
+        set_last_open_dir(f_name);
+        g_free(f_name);
+        file_selection_set_current_folder(data, last_open_dir);
+        return;
+  }
+
+  gtk_entry_set_text(GTK_ENTRY(OBJECT_GET_DATA(win, PRINT_FILE_TE_KEY)),
+                     f_name);
+  window_destroy(GTK_WIDGET(win));
+
+  g_free(f_name);
+}
+#endif
+
+static void
+file_selection_browse_destroy_cb(GtkWidget *win, GtkWidget* parent_te)
+{
+  GtkWidget *caller;
+
+  /* Get the widget that requested that we be popped up.
+     (It should arrange to destroy us if it's destroyed, so
+     that we don't get a pointer to a non-existent window here.) */
+  caller = OBJECT_GET_DATA(win, E_FS_CALLER_PTR_KEY);
+
+  /* Tell it we no longer exist. */
+  OBJECT_SET_DATA(caller, E_FILE_SEL_DIALOG_PTR_KEY, NULL);
+
+  /* Give the focus to the file text entry widget so the user can just press
+     Return to print to the file. */
+  gtk_widget_grab_focus(parent_te);
+}
+
+
+void
+set_last_open_dir(char *dirname)
+{
+	int len;
+	gchar *new_last_open_dir;
+
+	if (dirname) {
+		len = strlen(dirname);
+		if (dirname[len-1] == G_DIR_SEPARATOR) {
+			new_last_open_dir = g_strconcat(dirname, NULL);
+		}
+		else {
+			new_last_open_dir = g_strconcat(dirname,
+				G_DIR_SEPARATOR_S, NULL);
+		}
+
+		if (last_open_dir == NULL ||
+		    strcmp(last_open_dir, new_last_open_dir) != 0)
+			updated_last_open_dir = TRUE;
+	}
+	else {
+		new_last_open_dir = NULL;
+		if (last_open_dir != NULL)
+			updated_last_open_dir = TRUE;
+	}
+
+	if (last_open_dir) {
+		g_free(last_open_dir);
+	}
+	last_open_dir = new_last_open_dir;
+}
+
+char *
+get_last_open_dir(void)
+{
+    return last_open_dir;
+}