C++ (Cpp) set_drag_cursorの例

コード例 #1

ファイル: egg-toolbar-editor.c プロジェクト: steev/mate-image-viewer

static void
event_box_realize_cb (GtkWidget *widget, GtkImage *icon)
{
  GtkImageType type;

  set_drag_cursor (widget);

  type = gtk_image_get_storage_type (icon);
  if (type == GTK_IMAGE_STOCK)
    {
      gchar *stock_id;
      GdkPixbuf *pixbuf;

      gtk_image_get_stock (icon, &stock_id, NULL);
      pixbuf = gtk_widget_render_icon (widget, stock_id,
	                               GTK_ICON_SIZE_LARGE_TOOLBAR, NULL);
      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
      g_object_unref (pixbuf);
    }
  else if (type == GTK_IMAGE_ICON_NAME)
    {
      const gchar *icon_name;
      GdkScreen *screen;
      GtkIconTheme *icon_theme;
      GtkSettings *settings;
      gint width, height;
      GdkPixbuf *pixbuf;

      gtk_image_get_icon_name (icon, &icon_name, NULL);
      screen = gtk_widget_get_screen (widget);
      icon_theme = gtk_icon_theme_get_for_screen (screen);
      settings = gtk_settings_get_for_screen (screen);

      if (!gtk_icon_size_lookup_for_settings (settings,
                                              GTK_ICON_SIZE_LARGE_TOOLBAR,
					      &width, &height))
        {
	  width = height = 24;
	}

      pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name,
                                         MIN (width, height), 0, NULL);
      if (G_UNLIKELY (!pixbuf))
        return;

      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
      g_object_unref (pixbuf);

    }
  else if (type == GTK_IMAGE_PIXBUF)
    {
      GdkPixbuf *pixbuf = gtk_image_get_pixbuf (icon);
      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
    }
}

コード例 #2

ファイル: egg-toolbar-editor.c プロジェクト: GNOME/galeon

static void
event_box_realize_cb (GtkWidget *widget, GtkImage *icon)
{
  GtkImageType type;

  set_drag_cursor (widget);

  type = gtk_image_get_storage_type (icon);
  if (type == GTK_IMAGE_STOCK)
    {
      gchar *stock_id;
      GdkPixbuf *pixbuf;
      gtk_image_get_stock (icon, &stock_id, NULL);
      pixbuf = gtk_widget_render_icon (widget, stock_id,
	                               GTK_ICON_SIZE_LARGE_TOOLBAR, NULL);
      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
      g_object_unref (pixbuf);
    }
  else if (type == GTK_IMAGE_PIXBUF)
    {
      GdkPixbuf *pixbuf = gtk_image_get_pixbuf (icon);
      gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
    }
}