gtk_support.c
上传用户:riyaled888
上传日期:2009-03-27
资源大小:7338k
文件大小:4k
- /*
- * DO NOT EDIT THIS FILE - it is generated by Glade.
- */
- #ifdef HAVE_CONFIG_H
- # include <config.h>
- #endif
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <unistd.h>
- #include <string.h>
- #include <gtk/gtk.h>
- #include "gtk_support.h"
- /* This is an internally used function to check if a pixmap file exists. */
- static gchar* check_file_exists (const gchar *directory,
- const gchar *filename);
- /* This is an internally used function to create pixmaps. */
- static GtkWidget* create_dummy_pixmap (GtkWidget *widget);
- GtkWidget*
- lookup_widget (GtkWidget *widget,
- const gchar *widget_name)
- {
- GtkWidget *parent, *found_widget;
- for (;;)
- {
- if (GTK_IS_MENU (widget))
- parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
- else
- parent = widget->parent;
- if (parent == NULL)
- break;
- widget = parent;
- }
- found_widget = (GtkWidget*) gtk_object_get_data (GTK_OBJECT (widget),
- widget_name);
- if (!found_widget)
- g_warning ("Widget not found: %s", widget_name);
- return found_widget;
- }
- /* This is a dummy pixmap we use when a pixmap can't be found. */
- static char *dummy_pixmap_xpm[] = {
- /* columns rows colors chars-per-pixel */
- "1 1 1 1",
- " c None",
- /* pixels */
- " "
- };
- /* This is an internally used function to create pixmaps. */
- static GtkWidget*
- create_dummy_pixmap (GtkWidget *widget)
- {
- GdkColormap *colormap;
- GdkPixmap *gdkpixmap;
- GdkBitmap *mask;
- GtkWidget *pixmap;
- colormap = gtk_widget_get_colormap (widget);
- gdkpixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &mask,
- NULL, dummy_pixmap_xpm);
- if (gdkpixmap == NULL)
- g_error ("Couldn't create replacement pixmap.");
- pixmap = gtk_pixmap_new (gdkpixmap, mask);
- gdk_pixmap_unref (gdkpixmap);
- gdk_bitmap_unref (mask);
- return pixmap;
- }
- static GList *pixmaps_directories = NULL;
- /* Use this function to set the directory containing installed pixmaps. */
- void
- add_pixmap_directory (const gchar *directory)
- {
- pixmaps_directories = g_list_prepend (pixmaps_directories,
- g_strdup (directory));
- }
- /* This is an internally used function to create pixmaps. */
- GtkWidget*
- create_pixmap (GtkWidget *widget,
- const gchar *filename)
- {
- gchar *found_filename = NULL;
- GdkColormap *colormap;
- GdkPixmap *gdkpixmap;
- GdkBitmap *mask;
- GtkWidget *pixmap;
- GList *elem;
- if (!filename || !filename[0])
- return create_dummy_pixmap (widget);
- /* We first try any pixmaps directories set by the application. */
- elem = pixmaps_directories;
- while (elem)
- {
- found_filename = check_file_exists ((gchar*)elem->data, filename);
- if (found_filename)
- break;
- elem = elem->next;
- }
- /* If we haven't found the pixmap, try the source directory. */
- if (!found_filename)
- {
- found_filename = check_file_exists ("pixmaps", filename);
- }
- if (!found_filename)
- {
- g_warning (_("Couldn't find pixmap file: %s"), filename);
- return create_dummy_pixmap (widget);
- }
- colormap = gtk_widget_get_colormap (widget);
- gdkpixmap = gdk_pixmap_colormap_create_from_xpm (NULL, colormap, &mask,
- NULL, found_filename);
- if (gdkpixmap == NULL)
- {
- g_warning (_("Error loading pixmap file: %s"), found_filename);
- g_free (found_filename);
- return create_dummy_pixmap (widget);
- }
- g_free (found_filename);
- pixmap = gtk_pixmap_new (gdkpixmap, mask);
- gdk_pixmap_unref (gdkpixmap);
- gdk_bitmap_unref (mask);
- return pixmap;
- }
- /* This is an internally used function to check if a pixmap file exists. */
- static gchar*
- check_file_exists (const gchar *directory,
- const gchar *filename)
- {
- gchar *full_filename;
- struct stat s;
- gint status;
- full_filename = (gchar*) g_malloc (strlen (directory) + 1
- + strlen (filename) + 1);
- strcpy (full_filename, directory);
- strcat (full_filename, G_DIR_SEPARATOR_S);
- strcat (full_filename, filename);
- status = stat (full_filename, &s);
- if (status == 0 && S_ISREG (s.st_mode))
- return full_filename;
- g_free (full_filename);
- return NULL;
- }