]> www.fi.muni.cz Git - evince.git/blobdiff - shell/ev-utils.c
[dualscreen] fix crash on ctrl+w and fix control window closing
[evince.git] / shell / ev-utils.c
index cf8a67c85bd8189dd1a9e81548379e502dacaf92..8c9bae5501617027009d9be62379e668bc136ad4 100644 (file)
  *
  *  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.
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  *
  */
 
+#include <config.h>
+
 #include "ev-utils.h"
+#include "ev-file-helpers.h"
+
+#include <string.h>
 #include <math.h>
+#include <glib/gi18n.h>
 
 typedef struct
 {
@@ -177,3 +183,207 @@ ev_pixbuf_add_shadow (GdkPixbuf *src, int size,
 }
 
 
+/* Simple function to output the contents of a region.  Used solely for testing
+ * the region code.
+ */
+void
+ev_print_region_contents (cairo_region_t *region)
+{
+       gint n_rectangles, i;
+
+       if (region == NULL) {
+               g_print ("<empty region>\n");
+               return;
+       }
+
+       g_print ("<region %p>\n", region);
+       n_rectangles = cairo_region_num_rectangles (region);
+       for (i = 0; i < n_rectangles; i++) {
+               GdkRectangle rect;
+
+               cairo_region_get_rectangle (region, i, &rect);
+               g_print ("\t(%d %d, %d %d) [%dx%d]\n",
+                        rect.x,
+                        rect.y,
+                        rect.x + rect.width,
+                        rect.y + rect.height,
+                        rect.width,
+                        rect.height);
+       }
+}
+
+static void
+ev_gui_sanitise_popup_position (GtkMenu *menu,
+                               GtkWidget *widget,
+                               gint *x,
+                               gint *y)
+{
+       GdkScreen *screen = gtk_widget_get_screen (widget);
+       gint monitor_num;
+       GdkRectangle monitor;
+       GtkRequisition req;
+
+       g_return_if_fail (widget != NULL);
+
+       gtk_widget_get_preferred_size (GTK_WIDGET (menu), &req, NULL);
+
+       monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
+       gtk_menu_set_monitor (menu, monitor_num);
+       gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+
+       *x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width));
+       *y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height));
+}
+
+void
+ev_gui_menu_position_tree_selection (GtkMenu   *menu,
+                                    gint      *x,
+                                    gint      *y,
+                                    gboolean  *push_in,
+                                    gpointer  user_data)
+{
+       GtkTreeSelection *selection;
+       GList *selected_rows;
+       GtkTreeModel *model;
+       GtkTreeView *tree_view = GTK_TREE_VIEW (user_data);
+       GtkWidget *widget = GTK_WIDGET (user_data);
+       GtkRequisition req;
+       GtkAllocation allocation;
+       GdkRectangle visible;
+
+       gtk_widget_get_preferred_size (GTK_WIDGET (menu), &req, NULL);
+       gdk_window_get_origin (gtk_widget_get_window (widget), x, y);
+       gtk_widget_get_allocation (widget, &allocation);
+
+       *x += (allocation.width - req.width) / 2;
+
+       /* Add on height for the treeview title */
+       gtk_tree_view_get_visible_rect (tree_view, &visible);
+       *y += allocation.height - visible.height;
+
+       selection = gtk_tree_view_get_selection (tree_view);
+       selected_rows = gtk_tree_selection_get_selected_rows (selection, &model);
+       if (selected_rows)
+       {
+               GdkRectangle cell_rect;
+
+               gtk_tree_view_get_cell_area (tree_view, selected_rows->data,
+                                            NULL, &cell_rect);
+
+               *y += CLAMP (cell_rect.y + cell_rect.height, 0, visible.height);
+
+               g_list_foreach (selected_rows, (GFunc)gtk_tree_path_free, NULL);
+               g_list_free (selected_rows);
+       }
+
+       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);
+}
+
+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;
+}