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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2009 - Vic Lee
* Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
* Copyright (C) 2016-2022 Antenore Gatta, Giovanni Panozzo
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
#include <gmodule.h>
#include "remmina_public.h"
#include "remmina_widget_pool.h"
#include "remmina/remmina_trace_calls.h"
static GPtrArray *remmina_widget_pool = NULL;
void remmina_widget_pool_init(void)
{
TRACE_CALL(__func__);
remmina_widget_pool = g_ptr_array_new();
}
static void remmina_widget_pool_on_widget_destroy(GtkWidget *widget, gpointer data)
{
TRACE_CALL(__func__);
g_ptr_array_remove(remmina_widget_pool, widget);
}
void remmina_widget_pool_register(GtkWidget *widget)
{
TRACE_CALL(__func__);
g_ptr_array_add(remmina_widget_pool, widget);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(remmina_widget_pool_on_widget_destroy), NULL);
}
GtkWidget*
remmina_widget_pool_find(GType type, const gchar *tag)
{
TRACE_CALL(__func__);
GtkWidget *widget;
gint i;
if (remmina_widget_pool == NULL)
return NULL;
for (i = 0; i < remmina_widget_pool->len; i++) {
widget = GTK_WIDGET(g_ptr_array_index(remmina_widget_pool, i));
if (!G_TYPE_CHECK_INSTANCE_TYPE(widget, type))
continue;
if (tag && g_strcmp0((const gchar*)g_object_get_data(G_OBJECT(widget), "tag"), tag) != 0)
continue;
return widget;
}
return NULL;
}
GtkWidget*
remmina_widget_pool_find_by_window(GType type, GdkWindow *window)
{
TRACE_CALL(__func__);
GtkWidget *widget;
gint i;
GdkWindow *parent;
if (window == NULL || remmina_widget_pool == NULL)
return NULL;
for (i = 0; i < remmina_widget_pool->len; i++) {
widget = GTK_WIDGET(g_ptr_array_index(remmina_widget_pool, i));
if (!G_TYPE_CHECK_INSTANCE_TYPE(widget, type))
continue;
/* gdk_window_get_toplevel won’t work here, if the window is an embedded client. So we iterate the window tree */
for (parent = window; parent && parent != GDK_WINDOW_ROOT; parent = gdk_window_get_parent(parent)) {
if (gtk_widget_get_window(widget) == parent)
return widget;
}
}
return NULL;
}
gint remmina_widget_pool_foreach(RemminaWidgetPoolForEachFunc callback, gpointer data)
{
TRACE_CALL(__func__);
GtkWidget *widget;
gint i;
gint n = 0;
GPtrArray *wpcpy = NULL;
if (remmina_widget_pool == NULL)
return 0;
/* Make a copy of remmina_widget_pool, so we can survive when callback()
* remove an element from remmina_widget_pool */
wpcpy = g_ptr_array_sized_new(remmina_widget_pool->len);
for (i = 0; i < remmina_widget_pool->len; i++)
g_ptr_array_add(wpcpy, g_ptr_array_index(remmina_widget_pool, i));
/* Scan the remmina_widget_pool and call callbac() on every element */
for (i = 0; i < wpcpy->len; i++) {
widget = GTK_WIDGET(g_ptr_array_index(wpcpy, i));
if (callback(widget, data))
n++;
}
/* Free the copy */
g_ptr_array_unref(wpcpy);
return n;
}
gint remmina_widget_pool_count()
{
TRACE_CALL(__func__);
return remmina_widget_pool->len;
}
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