コード例 #1
0
/* Ignores (x, y) on input, translates event coordinates to
 * allocation relative (x, y) of the returned widget.
 */
static GtkWidget *
find_topmost_widget_coords_from_event (GdkEvent *event,
				       gint     *x,
				       gint     *y)
{
  gint tx, ty;
  gdouble dx, dy;
  GtkWidget *tmp;

  gdk_event_get_coords (event, &dx, &dy);
  tx = dx;
  ty = dy;

  /* Returns coordinates relative to tmp's allocation. */
  tmp = find_widget_under_pointer (event->any.window, &tx, &ty);

  if (!tmp)
    return NULL;

  /* Make sure the pointer can actually be on the widget returned. */
  if (tx < 0 || tx >= tmp->allocation.width ||
      ty < 0 || ty >= tmp->allocation.height)
    return NULL;

  if (x)
    *x = tx;
  if (y)
    *y = ty;

  return tmp;
}
コード例 #2
0
ファイル: gimpuimanager.c プロジェクト: AnonPower/picman
static gboolean
gimp_ui_manager_item_key_press (GtkWidget     *widget,
                                GdkEventKey   *kevent,
                                GimpUIManager *manager)
{
  gchar *help_id = NULL;

  while (! help_id)
    {
      GtkWidget *menu_item = GTK_MENU_SHELL (widget)->active_menu_item;

      if (! menu_item && GTK_IS_MENU (widget))
        {
          GtkWidget *parent = gtk_widget_get_parent (widget);
          GdkWindow *window = gtk_widget_get_window (parent);
          gint       x, y;

          gdk_window_get_pointer (window, &x, &y, NULL);
          menu_item = find_widget_under_pointer (window, &x, &y);

          if (menu_item && ! GTK_IS_MENU_ITEM (menu_item))
            {
              menu_item = gtk_widget_get_ancestor (menu_item,
                                                   GTK_TYPE_MENU_ITEM);

              if (! GTK_IS_MENU_ITEM (menu_item))
                menu_item = NULL;
            }
        }

      /*  first, get the help page from the item...
       */
      if (menu_item)
        {
          help_id = g_object_get_qdata (G_OBJECT (menu_item), GIMP_HELP_ID);

          if (help_id && ! strlen (help_id))
            help_id = NULL;
        }

      /*  ...then try the parent menu...
       */
      if (! help_id)
        {
          help_id = g_object_get_qdata (G_OBJECT (widget), GIMP_HELP_ID);

          if (help_id && ! strlen (help_id))
            help_id = NULL;
        }

      /*  ...finally try the menu's parent (if any)
       */
      if (! help_id)
        {
          menu_item = NULL;

          if (GTK_IS_MENU (widget))
            menu_item = gtk_menu_get_attach_widget (GTK_MENU (widget));

          if (! menu_item)
            break;

          widget = gtk_widget_get_parent (menu_item);

          if (! widget)
            break;
        }
    }

  /*  For any valid accelerator key except F1, continue with the
   *  standard GtkMenuShell callback and assign a new shortcut, but
   *  don't assign a shortcut to the help menu entries ...
   */
  if (kevent->keyval != GDK_KEY_F1)
    {
      if (help_id                                   &&
          gtk_accelerator_valid (kevent->keyval, 0) &&
          (strcmp (help_id, GIMP_HELP_HELP)         == 0 ||
           strcmp (help_id, GIMP_HELP_HELP_CONTEXT) == 0))
        {
          return TRUE;
        }

      return FALSE;
    }

  /*  ...finally, if F1 was pressed over any menu, show its help page...  */

  if (help_id)
    {
      gchar *help_domain = NULL;
      gchar *help_string = NULL;
      gchar *domain_separator;

      help_id = g_strdup (help_id);

      domain_separator = strchr (help_id, '?');

      if (domain_separator)
        {
          *domain_separator = '\0';

          help_domain = g_strdup (help_id);
          help_string = g_strdup (domain_separator + 1);
        }
      else
        {
          help_string = g_strdup (help_id);
        }

      gimp_help (manager->gimp, NULL, help_domain, help_string);

      g_free (help_domain);
      g_free (help_string);
      g_free (help_id);
    }

  return TRUE;
}
コード例 #3
0
static void
gtk_tooltip_show_tooltip (GdkDisplay *display)
{
  gint x, y;
  GdkScreen *screen;

  GdkWindow *window;
  GtkWidget *tooltip_widget;
  GtkWidget *pointer_widget;
  GtkTooltip *tooltip;
  gboolean has_tooltip;
  gboolean return_value = FALSE;

  tooltip = g_object_get_data (G_OBJECT (display),
			       "gdk-display-current-tooltip");

  if (tooltip->keyboard_mode_enabled)
    {
      x = y = -1;
      pointer_widget = tooltip_widget = tooltip->keyboard_widget;
    }
  else
    {
      window = tooltip->last_window;

      if (!GDK_IS_WINDOW (window))
	return;

      gdk_window_get_origin (window, &x, &y);
      x = tooltip->last_x - x;
      y = tooltip->last_y - y;

      pointer_widget = tooltip_widget = find_widget_under_pointer (window,
								   &x, &y);
    }

  if (!tooltip_widget)
    return;

  g_object_get (tooltip_widget, "has-tooltip", &has_tooltip, NULL);

  return_value = gtk_tooltip_run_requery (&tooltip_widget, tooltip, &x, &y);
  if (!return_value)
    return;

  if (!tooltip->current_window)
    {
      if (gtk_widget_get_tooltip_window (tooltip_widget))
	tooltip->current_window = gtk_widget_get_tooltip_window (tooltip_widget);
      else
	tooltip->current_window = GTK_WINDOW (GTK_TOOLTIP (tooltip)->window);
    }

  screen = gtk_widget_get_screen (tooltip_widget);

  /* FIXME: should use tooltip->current_window iso tooltip->window */
  if (screen != gtk_widget_get_screen (tooltip->window))
    {
      g_signal_handlers_disconnect_by_func (display,
					    gtk_tooltip_display_closed,
					    tooltip);

      gtk_window_set_screen (GTK_WINDOW (tooltip->window), screen);

      g_signal_connect (display, "closed",
			G_CALLBACK (gtk_tooltip_display_closed), tooltip);
    }

  gtk_tooltip_position (tooltip, display, tooltip_widget);

  /* Now a tooltip is visible again on the display, make sure browse
   * mode is enabled.
   */
  tooltip->browse_mode_enabled = TRUE;
  if (tooltip->browse_mode_timeout_id)
    {
      g_source_remove (tooltip->browse_mode_timeout_id);
      tooltip->browse_mode_timeout_id = 0;
    }
}