#include <string.h>
#include <math.h>
+#include <glib/gi18n.h>
#define PRINT_CONFIG_FILENAME "ev-print-config.xml"
ev_gui_sanitise_popup_position (menu, widget, x, y);
}
+/**
+ * get_num_monitors: Get the number of user monitors.
+ * @window: optional GtkWindow to look at.
+ *
+ * Returns: Number of monitors, -1 if uncertain situation (like multiple screens)
+ */
+gint
+get_num_monitors (GtkWindow *window)
+{
+ GdkDisplay *display;
+ GdkScreen *screen;
+ gint num_screen;
+
+ display = gdk_display_get_default ();
+ num_screen = gdk_display_get_n_screens (display);
+
+ if (num_screen != 1)
+ return -1;
+
+ if (window)
+ screen = gtk_window_get_screen (window);
+ else
+ screen = gdk_display_get_screen (display, 0);
+
+ return gdk_screen_get_n_monitors (screen);
+}
+
+gdouble
+get_screen_dpi (GtkWindow *window)
+{
+ GdkScreen *screen;
+ gdouble xdpi, ydpi;
+
+ screen = gtk_window_get_screen (window);
+
+ xdpi = 25.4 * gdk_screen_get_width (screen) / gdk_screen_get_width_mm (screen);
+ ydpi = 25.4 * gdk_screen_get_height (screen) / gdk_screen_get_height_mm (screen);
+
+ return (xdpi + ydpi) / 2.0;
+}
+
+
+void
+file_chooser_dialog_add_writable_pixbuf_formats (GtkFileChooser *chooser)
+{
+ GSList *pixbuf_formats = NULL;
+ GSList *iter;
+ GtkFileFilter *filter;
+ int i;
+
+ filter = gtk_file_filter_new();
+ gtk_file_filter_set_name (filter, _("By extension"));
+ g_object_set_data (G_OBJECT(filter), "pixbuf-format", NULL);
+ gtk_file_chooser_add_filter (chooser, filter);
+
+ pixbuf_formats = gdk_pixbuf_get_formats ();
+
+ for (iter = pixbuf_formats; iter; iter = iter->next) {
+ GdkPixbufFormat *format = iter->data;
+
+ gchar *description, *name, *extensions;
+ gchar **extension_list, **mime_types;
+
+ if (gdk_pixbuf_format_is_disabled (format) ||
+ !gdk_pixbuf_format_is_writable (format))
+ continue;
+
+ name = gdk_pixbuf_format_get_description (format);
+ extension_list = gdk_pixbuf_format_get_extensions (format);
+ extensions = g_strjoinv (", ", extension_list);
+ g_strfreev (extension_list);
+ description = g_strdup_printf ("%s (%s)", name, extensions);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, description);
+ g_object_set_data (G_OBJECT (filter), "pixbuf-format", format);
+ gtk_file_chooser_add_filter (chooser, filter);
+
+ g_free (description);
+ g_free (extensions);
+ g_free (name);
+
+ mime_types = gdk_pixbuf_format_get_mime_types (format);
+ for (i = 0; mime_types[i] != 0; i++)
+ gtk_file_filter_add_mime_type (filter, mime_types[i]);
+ g_strfreev (mime_types);
+ }
+
+ g_slist_free (pixbuf_formats);
+}
+
+GdkPixbufFormat*
+get_gdk_pixbuf_format_by_extension (gchar *uri)
+{
+ GSList *pixbuf_formats = NULL;
+ GSList *iter;
+ int i;
+
+ pixbuf_formats = gdk_pixbuf_get_formats ();
+
+ for (iter = pixbuf_formats; iter; iter = iter->next) {
+ gchar **extension_list;
+ GdkPixbufFormat *format = iter->data;
+
+ if (gdk_pixbuf_format_is_disabled (format) ||
+ !gdk_pixbuf_format_is_writable (format))
+ continue;
+
+ extension_list = gdk_pixbuf_format_get_extensions (format);
+
+ for (i = 0; extension_list[i] != 0; i++) {
+ if (g_str_has_suffix (uri, extension_list[i])) {
+ g_slist_free (pixbuf_formats);
+ g_strfreev (extension_list);
+ return format;
+ }
+ }
+ g_strfreev (extension_list);
+ }
+
+ g_slist_free (pixbuf_formats);
+ return NULL;
+}
+