C++ (Cpp) eog_thumb_view_get_n_selected示例

示例#1

文件： eog-map-plugin.c 项目： eldh0se/eog-plugins

static void
selection_changed_cb (EogThumbView *view,
		      EogMapPlugin *plugin)
{
	EogImage *image;
	ChamplainLabel *marker;

	if (!eog_thumb_view_get_n_selected (view))
		return;

	image = eog_thumb_view_get_first_selected_image (view);

	g_return_if_fail (image != NULL);

	marker = g_object_get_data (G_OBJECT (image), "marker");

	if (marker) {
		gdouble lat, lon;

		g_object_get (marker,
			      "latitude", &lat,
			      "longitude", &lon,
			      NULL);

		champlain_view_center_on (CHAMPLAIN_VIEW (plugin->map),
					  lat,
					  lon);

		/* Reset the previous selection */
		if (plugin->marker)
			update_marker_image (plugin->marker, GTK_ICON_SIZE_MENU);

		plugin->marker = marker;
		update_marker_image (plugin->marker, GTK_ICON_SIZE_LARGE_TOOLBAR);
		gtk_widget_set_sensitive (plugin->jump_to_button, TRUE);
	}
	else {
		gtk_widget_set_sensitive (plugin->jump_to_button, FALSE);

		/* Reset the previous selection */
		if (plugin->marker)
			update_marker_image (plugin->marker, GTK_ICON_SIZE_MENU);

		plugin->marker = NULL;
	}

	g_object_unref (image);
}

示例#2

文件： eog-reload-plugin.c 项目： Distrotech/eog

static void
eog_reload_plugin_update_action_state (EogReloadPlugin *plugin)
{
	GAction *action;
	EogThumbView *thumbview;
	gboolean enable = FALSE;

	thumbview = EOG_THUMB_VIEW (eog_window_get_thumb_view (plugin->window));

	if (G_LIKELY (thumbview))
	{
		enable = (eog_thumb_view_get_n_selected (thumbview) != 0);
	}

	action = g_action_map_lookup_action (G_ACTION_MAP (plugin->window),
					     EOG_RELOAD_PLUGIN_ACTION);
	g_simple_action_set_enabled (G_SIMPLE_ACTION (action), enable);
}