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/*
* Copyright © 2020 Red Hat, Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Florian Müllner <fmuellner@gnome.org>
*/
#include "shew-window-exporter.h"
#ifdef GDK_WINDOWING_X11
#include <gdk/x11/gdkx.h>
#endif
#ifdef GDK_WINDOWING_WAYLAND
#include <gdk/wayland/gdkwayland.h>
#endif
struct _ShewWindowExporter
{
GObject parent;
GtkWindow *window;
};
G_DEFINE_TYPE (ShewWindowExporter, shew_window_exporter, G_TYPE_OBJECT)
enum
{
PROP_0,
PROP_WINDOW,
};
ShewWindowExporter *
shew_window_exporter_new (GtkWindow *window)
{
return g_object_new (SHEW_TYPE_WINDOW_EXPORTER,
"window", window,
NULL);
}
#ifdef GDK_WINDOWING_WAYLAND
static void
wayland_window_exported (GdkToplevel *toplevel,
const char *handle,
gpointer user_data)
{
g_autoptr (GTask) task = user_data;
g_task_return_pointer (task, g_strdup_printf ("wayland:%s", handle), g_free);
}
#endif
void
shew_window_exporter_export (ShewWindowExporter *exporter,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr (GTask) task = NULL;
GtkWidget *widget;
g_return_if_fail (SHEW_IS_WINDOW_EXPORTER (exporter));
if (exporter->window == NULL)
{
g_task_report_new_error (exporter, callback, user_data,
shew_window_exporter_export,
G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"No window to export");
return;
}
task = g_task_new (exporter, NULL, callback, user_data);
g_task_set_source_tag (task, shew_window_exporter_export);
widget = GTK_WIDGET (exporter->window);
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_DISPLAY (gtk_widget_get_display (widget)))
{
GdkSurface *s = gtk_native_get_surface (GTK_NATIVE (widget));
guint32 xid = (guint32) gdk_x11_surface_get_xid (s);
g_task_return_pointer (task, g_strdup_printf ("x11:%x", xid), g_free);
}
#endif
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (widget)))
{
GdkSurface *s = gtk_native_get_surface (GTK_NATIVE (widget));
gdk_wayland_toplevel_export_handle (GDK_WAYLAND_TOPLEVEL (s),
wayland_window_exported,
g_steal_pointer (&task), NULL);
}
#endif
if (task != NULL && !g_task_get_completed (task))
{
g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Unsupported windowing system");
}
}
char *
shew_window_exporter_export_finish (ShewWindowExporter *exporter,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (SHEW_IS_WINDOW_EXPORTER (exporter), NULL);
g_return_val_if_fail (g_async_result_is_tagged (result, shew_window_exporter_export), NULL);
return g_task_propagate_pointer (G_TASK (result), error);
}
void
shew_window_exporter_unexport (ShewWindowExporter *exporter)
{
GtkWidget *widget;
g_return_if_fail (SHEW_IS_WINDOW_EXPORTER (exporter));
widget = GTK_WIDGET (exporter->window);
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (widget)))
{
GdkSurface *s = gtk_native_get_surface (GTK_NATIVE (widget));
gdk_wayland_toplevel_unexport_handle (GDK_WAYLAND_TOPLEVEL (s));
}
#endif
}
static void
shew_window_exporter_dispose (GObject *object)
{
ShewWindowExporter *exporter = SHEW_WINDOW_EXPORTER (object);
g_clear_object (&exporter->window);
G_OBJECT_CLASS (shew_window_exporter_parent_class)->dispose (object);
}
static void
shew_window_exporter_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ShewWindowExporter *exporter = SHEW_WINDOW_EXPORTER (object);
switch (prop_id)
{
case PROP_WINDOW:
g_set_object (&exporter->window, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
shew_window_exporter_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
ShewWindowExporter *exporter = SHEW_WINDOW_EXPORTER (object);
switch (prop_id)
{
case PROP_WINDOW:
g_value_set_object (value, exporter->window);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
shew_window_exporter_init (ShewWindowExporter *exporter)
{
}
static void
shew_window_exporter_class_init (ShewWindowExporterClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = shew_window_exporter_get_property;
object_class->set_property = shew_window_exporter_set_property;
object_class->dispose = shew_window_exporter_dispose;
g_object_class_install_property (object_class,
PROP_WINDOW,
g_param_spec_object ("window",
"GtkWindow",
"The GtkWindow to export",
GTK_TYPE_WINDOW,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
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