108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
|
/* ide-surfaces-button.c
|
||
|
|
*
|
||
|
|
* Copyright 2018 Christian Hergert <unknown@domain.org>
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-3.0-or-later
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define G_LOG_DOMAIN "ide-surfaces-button"
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include <libide-core.h>
|
||
|
|
|
||
|
|
#include "ide-surfaces-button.h"
|
||
|
|
|
||
|
|
struct _IdeSurfacesButton
|
||
|
|
{
|
||
|
|
DzlMenuButton parent_instance;
|
||
|
|
};
|
||
|
|
|
||
|
|
G_DEFINE_FINAL_TYPE (IdeSurfacesButton, ide_surfaces_button, DZL_TYPE_MENU_BUTTON)
|
||
|
|
|
||
|
|
static void
|
||
|
|
ide_surfaces_button_items_changed_cb (IdeSurfacesButton *self,
|
||
|
|
guint position,
|
||
|
|
guint added,
|
||
|
|
guint removed,
|
||
|
|
GMenuModel *model)
|
||
|
|
{
|
||
|
|
gboolean visible = FALSE;
|
||
|
|
guint n_items;
|
||
|
|
guint count = 0;
|
||
|
|
|
||
|
|
g_assert (IDE_IS_MAIN_THREAD ());
|
||
|
|
g_assert (IDE_IS_SURFACES_BUTTON (self));
|
||
|
|
g_assert (G_IS_MENU_MODEL (model));
|
||
|
|
|
||
|
|
/* We either have multiple sections, or a single section with
|
||
|
|
* possibly multiple children. Any of these means visible.
|
||
|
|
*/
|
||
|
|
|
||
|
|
n_items = g_menu_model_get_n_items (model);
|
||
|
|
visible = n_items > 1;
|
||
|
|
|
||
|
|
for (guint i = 0; !visible && i < n_items; i++)
|
||
|
|
{
|
||
|
|
g_autoptr(GMenuLinkIter) iter = g_menu_model_iterate_item_links (model, i);
|
||
|
|
|
||
|
|
while (g_menu_link_iter_next (iter))
|
||
|
|
{
|
||
|
|
g_autoptr(GMenuModel) child = g_menu_link_iter_get_value (iter);
|
||
|
|
count += g_menu_model_get_n_items (child);
|
||
|
|
}
|
||
|
|
|
||
|
|
visible = count > 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
gtk_widget_set_visible (GTK_WIDGET (self), visible);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
ide_surfaces_button_notify_model (IdeSurfacesButton *self,
|
||
|
|
GParamSpec *pspec,
|
||
|
|
gpointer user_data)
|
||
|
|
{
|
||
|
|
GMenuModel *model;
|
||
|
|
|
||
|
|
g_assert (IDE_IS_MAIN_THREAD ());
|
||
|
|
g_assert (IDE_IS_SURFACES_BUTTON (self));
|
||
|
|
|
||
|
|
if ((model = dzl_menu_button_get_model (DZL_MENU_BUTTON (self))))
|
||
|
|
{
|
||
|
|
g_signal_connect_object (model,
|
||
|
|
"items-changed",
|
||
|
|
G_CALLBACK (ide_surfaces_button_items_changed_cb),
|
||
|
|
self,
|
||
|
|
G_CONNECT_SWAPPED);
|
||
|
|
ide_surfaces_button_items_changed_cb (self, 0, 0, 0, model);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
ide_surfaces_button_class_init (IdeSurfacesButtonClass *klass)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
ide_surfaces_button_init (IdeSurfacesButton *self)
|
||
|
|
{
|
||
|
|
g_signal_connect (self,
|
||
|
|
"notify::model",
|
||
|
|
G_CALLBACK (ide_surfaces_button_notify_model),
|
||
|
|
NULL);
|
||
|
|
}
|