src/dirty_gtk.c

   1 /* Even the GPL header does not want to be associated with "that". */
   2
   3 #include "gliv.h"
   4 #include "dirty_gtk.h"
   5
   6 /*
   7  * This is the only way I found to build a menu with N items in O(N)
   8  * time instead of O(N²).
   9  */
  10
  11 DirtyGtkMenu *dirty_gtk_menu_new(void)
  12 {
  13     DirtyGtkMenu *menu = g_new(DirtyGtkMenu, 1);
  14
  15     menu->gtk_menu_shell = GTK_MENU_SHELL(gtk_menu_new());
  16     menu->last_child = NULL;
  17
  18     return menu;
  19 }
  20
  21 void dirty_gtk_menu_append(DirtyGtkMenu * menu, GtkWidget * item)
  22 {
  23     GList *children = menu->gtk_menu_shell->children;
  24
  25     menu->last_child = g_list_last(menu->gtk_menu_shell->children);
  26     menu->gtk_menu_shell->children = menu->last_child;
  27
  28     gtk_menu_shell_append(menu->gtk_menu_shell, item);
  29     if (children != NULL)
  30         menu->gtk_menu_shell->children = children;
  31 }
  32
  33 void dirty_gtk_menu_release(DirtyGtkMenu * menu)
  34 {
  35     g_free(menu);
  36 }
  37
  38 /*** ::grab-notify ***/
  39
  40 /*
  41  * This is borrowed from gtk+-2, without the gtk_grab_notify() calls.
  42  * They slow down things a lot when the images menus are built with many files.
  43  */
  44 GtkWindowGroup *_gtk_window_get_group(GtkWindow * window)
  45 {
  46     if (window && window->group)
  47         return window->group;
  48     else {
  49         static GtkWindowGroup *default_group = NULL;
  50
  51         if (!default_group)
  52             default_group = gtk_window_group_new();
  53
  54         return default_group;
  55     }
  56 }
  57
  58 static GtkWindowGroup *gtk_main_get_window_group(GtkWidget * widget)
  59 {
  60     GtkWidget *toplevel = NULL;
  61
  62     if (widget)
  63         toplevel = gtk_widget_get_toplevel(widget);
  64
  65     if (toplevel && GTK_IS_WINDOW(toplevel))
  66         return _gtk_window_get_group(GTK_WINDOW(toplevel));
  67     else
  68         return _gtk_window_get_group(NULL);
  69 }
  70
  71 void gtk_grab_add(GtkWidget * widget)
  72 {
  73     GtkWindowGroup *group;
  74
  75     g_return_if_fail(widget != NULL);
  76
  77     if (!GTK_WIDGET_HAS_GRAB(widget) && GTK_WIDGET_IS_SENSITIVE(widget)) {
  78         GTK_WIDGET_SET_FLAGS(widget, GTK_HAS_GRAB);
  79
  80         group = gtk_main_get_window_group(widget);
  81
  82         g_object_ref(widget);
  83         group->grabs = g_slist_prepend(group->grabs, widget);
  84
  85 /*      gtk_grab_notify (group, widget, FALSE); */
  86     }
  87 }
  88
  89 void gtk_grab_remove(GtkWidget * widget)
  90 {
  91     GtkWindowGroup *group;
  92
  93     g_return_if_fail(widget != NULL);
  94
  95     if (GTK_WIDGET_HAS_GRAB(widget)) {
  96         GTK_WIDGET_UNSET_FLAGS(widget, GTK_HAS_GRAB);
  97
  98         group = gtk_main_get_window_group(widget);
  99         group->grabs = g_slist_remove(group->grabs, widget);
 100
 101         g_object_unref(widget);
 102
 103 /*      gtk_grab_notify (group, widget, TRUE); */
 104     }
 105 }