2020-03-05 03:52:09 +00:00
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/*
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* Copyright © 2020 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Florian Müllner <fmuellner@gnome.org>
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*/
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#include "shew-window-exporter.h"
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#ifdef GDK_WINDOWING_X11
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2020-04-15 18:27:15 +00:00
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#include <gdk/x11/gdkx.h>
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2020-03-05 03:52:09 +00:00
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#endif
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#ifdef GDK_WINDOWING_WAYLAND
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2020-04-15 18:27:15 +00:00
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#include <gdk/wayland/gdkwayland.h>
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2020-03-05 03:52:09 +00:00
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#endif
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struct _ShewWindowExporter
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{
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GObject parent;
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GtkWindow *window;
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};
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G_DEFINE_TYPE (ShewWindowExporter, shew_window_exporter, G_TYPE_OBJECT)
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enum
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{
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PROP_0,
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PROP_WINDOW,
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};
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ShewWindowExporter *
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shew_window_exporter_new (GtkWindow *window)
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{
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return g_object_new (SHEW_TYPE_WINDOW_EXPORTER,
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"window", window,
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NULL);
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}
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#ifdef GDK_WINDOWING_WAYLAND
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static void
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2020-04-15 18:27:15 +00:00
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wayland_window_exported (GdkToplevel *toplevel,
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const char *handle,
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gpointer user_data)
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2020-03-05 03:52:09 +00:00
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{
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g_autoptr (GTask) task = user_data;
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g_task_return_pointer (task, g_strdup_printf ("wayland:%s", handle), g_free);
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}
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#endif
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void
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shew_window_exporter_export (ShewWindowExporter *exporter,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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g_autoptr (GTask) task = NULL;
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GtkWidget *widget;
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g_return_if_fail (SHEW_IS_WINDOW_EXPORTER (exporter));
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if (exporter->window == NULL)
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{
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g_task_report_new_error (exporter, callback, user_data,
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shew_window_exporter_export,
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G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
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"No window to export");
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return;
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}
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task = g_task_new (exporter, NULL, callback, user_data);
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g_task_set_source_tag (task, shew_window_exporter_export);
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widget = GTK_WIDGET (exporter->window);
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#ifdef GDK_WINDOWING_X11
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if (GDK_IS_X11_DISPLAY (gtk_widget_get_display (widget)))
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{
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2020-04-15 18:27:15 +00:00
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GdkSurface *s = gtk_native_get_surface (GTK_NATIVE (widget));
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guint32 xid = (guint32) gdk_x11_surface_get_xid (s);
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2020-03-05 03:52:09 +00:00
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g_task_return_pointer (task, g_strdup_printf ("x11:%x", xid), g_free);
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}
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#endif
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#ifdef GDK_WINDOWING_WAYLAND
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if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (widget)))
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{
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2020-04-15 18:27:15 +00:00
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GdkSurface *s = gtk_native_get_surface (GTK_NATIVE (widget));
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gdk_wayland_toplevel_export_handle (GDK_WAYLAND_TOPLEVEL (s),
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wayland_window_exported,
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g_steal_pointer (&task), NULL);
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2020-03-05 03:52:09 +00:00
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}
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#endif
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if (task != NULL && !g_task_get_completed (task))
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{
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g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
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"Unsupported windowing system");
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}
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}
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char *
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shew_window_exporter_export_finish (ShewWindowExporter *exporter,
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GAsyncResult *result,
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GError **error)
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{
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g_return_val_if_fail (SHEW_IS_WINDOW_EXPORTER (exporter), NULL);
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g_return_val_if_fail (g_async_result_is_tagged (result, shew_window_exporter_export), NULL);
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return g_task_propagate_pointer (G_TASK (result), error);
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}
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void
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shew_window_exporter_unexport (ShewWindowExporter *exporter)
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{
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GtkWidget *widget;
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g_return_if_fail (SHEW_IS_WINDOW_EXPORTER (exporter));
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widget = GTK_WIDGET (exporter->window);
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#ifdef GDK_WINDOWING_WAYLAND
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if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (widget)))
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{
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2020-04-15 18:27:15 +00:00
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GdkSurface *s = gtk_native_get_surface (GTK_NATIVE (widget));
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gdk_wayland_toplevel_unexport_handle (GDK_WAYLAND_TOPLEVEL (s));
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2020-03-05 03:52:09 +00:00
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}
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#endif
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}
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static void
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shew_window_exporter_dispose (GObject *object)
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{
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ShewWindowExporter *exporter = SHEW_WINDOW_EXPORTER (object);
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g_clear_object (&exporter->window);
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G_OBJECT_CLASS (shew_window_exporter_parent_class)->dispose (object);
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}
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static void
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shew_window_exporter_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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ShewWindowExporter *exporter = SHEW_WINDOW_EXPORTER (object);
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switch (prop_id)
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{
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case PROP_WINDOW:
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g_set_object (&exporter->window, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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shew_window_exporter_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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ShewWindowExporter *exporter = SHEW_WINDOW_EXPORTER (object);
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switch (prop_id)
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{
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case PROP_WINDOW:
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g_value_set_object (value, exporter->window);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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shew_window_exporter_init (ShewWindowExporter *exporter)
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{
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}
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static void
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shew_window_exporter_class_init (ShewWindowExporterClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->get_property = shew_window_exporter_get_property;
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object_class->set_property = shew_window_exporter_set_property;
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object_class->dispose = shew_window_exporter_dispose;
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g_object_class_install_property (object_class,
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PROP_WINDOW,
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g_param_spec_object ("window",
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"GtkWindow",
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"The GtkWindow to export",
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GTK_TYPE_WINDOW,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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}
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