forked from AuroraMiddleware/gtk
266 lines
7.2 KiB
C
266 lines
7.2 KiB
C
/*
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* Copyright © 2010 Codethink Limited
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*
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* This library 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 licence, 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "gtkapplication.h"
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#include "gtkmarshalers.h"
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#include "gtkwindow.h"
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#include "gtkmain.h"
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#include <gdk/gdk.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/x11/gdkx.h>
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#endif
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/**
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* SECTION:gtkapplication
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* @title: GtkApplication
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* @short_description: Application class
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*
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* #GtkApplication is a class that handles many important aspects
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* of a GTK+ application in a convenient fashion, without enforcing
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* a one-size-fits-all application model.
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*
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* Currently, GtkApplication handles GTK+ initialization, application
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* uniqueness, provides some basic scriptability by exporting 'actions',
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* implements some standard actions itself (such as 'Quit') and manages
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* a list of toplevel windows whose life-cycle is automatically tied to
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* the life-cycle of your application.
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*
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* <example id="gtkapplication"><title>A simple application</title>
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* <programlisting>
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* <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" parse="text" href="../../../../gtk/tests/gtk-example-application.c">
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* <xi:fallback>FIXME: MISSING XINCLUDE CONTENT</xi:fallback>
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* </xi:include>
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* </programlisting>
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* </example>
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*/
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G_DEFINE_TYPE (GtkApplication, gtk_application, G_TYPE_APPLICATION)
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struct _GtkApplicationPrivate
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{
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GList *windows;
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};
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static void
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gtk_application_startup (GApplication *application)
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{
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gtk_init (0, 0);
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}
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static void
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gtk_application_quit_mainloop (GApplication *application)
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{
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gtk_main_quit ();
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}
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static void
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gtk_application_run_mainloop (GApplication *application)
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{
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gtk_main ();
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}
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static void
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gtk_application_add_platform_data (GApplication *application,
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GVariantBuilder *builder)
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{
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const gchar *startup_id;
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startup_id = getenv ("DESKTOP_STARTUP_ID");
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if (startup_id && g_utf8_validate (startup_id, -1, NULL))
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g_variant_builder_add (builder, "{sv}", "desktop-startup-id",
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g_variant_new_string (startup_id));
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}
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static void
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gtk_application_before_emit (GApplication *application,
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GVariant *platform_data)
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{
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GVariantIter iter;
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const gchar *key;
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GVariant *value;
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g_variant_iter_init (&iter, platform_data);
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while (g_variant_iter_loop (&iter, "{&sv}", &key, &value))
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{
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#ifdef GDK_WINDOWING_X11
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if (strcmp (key, "desktop-startup-id") == 0)
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{
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GdkDisplay *display;
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const gchar *id;
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display = gdk_display_get_default ();
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id = g_variant_get_string (value, NULL);
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gdk_x11_display_set_startup_notification_id (display, id);
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}
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#endif
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}
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}
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static void
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gtk_application_after_emit (GApplication *application,
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GVariant *platform_data)
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{
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gdk_notify_startup_complete ();
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}
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static void
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gtk_application_init (GtkApplication *application)
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{
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application->priv = G_TYPE_INSTANCE_GET_PRIVATE (application,
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GTK_TYPE_APPLICATION,
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GtkApplicationPrivate);
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}
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static void
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gtk_application_class_init (GtkApplicationClass *class)
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{
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GApplicationClass *application_class = G_APPLICATION_CLASS (class);
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application_class->add_platform_data = gtk_application_add_platform_data;
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application_class->before_emit = gtk_application_before_emit;
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application_class->after_emit = gtk_application_after_emit;
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application_class->startup = gtk_application_startup;
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application_class->quit_mainloop = gtk_application_quit_mainloop;
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application_class->run_mainloop = gtk_application_run_mainloop;
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g_type_class_add_private (class, sizeof (GtkApplicationPrivate));
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}
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/**
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* gtk_application_new:
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* @application_id: the application id
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* @flags: the application flags
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*
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* Creates a new #GtkApplication instance.
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*
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* This function calls g_type_init() for you. gtk_init() is called
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* as soon as the application gets registered as the primary instance.
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*
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* The application id must be valid. See g_application_id_is_valid().
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*
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* Returns: a new #GtkApplication instance
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*/
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GtkApplication *
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gtk_application_new (const gchar *application_id,
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GApplicationFlags flags)
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{
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g_return_val_if_fail (g_application_id_is_valid (application_id), NULL);
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g_type_init ();
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return g_object_new (GTK_TYPE_APPLICATION,
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"application-id", application_id,
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"flags", flags,
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NULL);
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}
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/**
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* gtk_application_add_window:
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* @application: a #GtkApplication
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* @window: a #GtkWindow
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*
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* Adds a window from @application.
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*
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* This call is equivalent to setting the #GtkWindow:application
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* property of @window to @application.
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*
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* Since: 3.0
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**/
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void
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gtk_application_add_window (GtkApplication *application,
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GtkWindow *window)
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{
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GtkApplicationPrivate *priv;
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g_return_if_fail (GTK_IS_APPLICATION (application));
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priv = application->priv;
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if (!g_list_find (priv->windows, window))
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{
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priv->windows = g_list_prepend (priv->windows, window);
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gtk_window_set_application (window, application);
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g_application_hold (G_APPLICATION (application));
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}
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}
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/**
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* gtk_application_remove_window:
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* @application: a #GtkApplication
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* @window: a #GtkWindow
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*
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* Remove a window from @application.
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*
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* If @window belongs to @application then this call is equivalent to
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* setting the #GtkWindow:application property of @window to
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* %NULL.
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*
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* The application may stop running as a result of a call to this
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* function.
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*
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* Since: 3.0
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**/
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void
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gtk_application_remove_window (GtkApplication *application,
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GtkWindow *window)
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{
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GtkApplicationPrivate *priv;
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g_return_if_fail (GTK_IS_APPLICATION (application));
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priv = application->priv;
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if (g_list_find (priv->windows, window))
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{
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priv->windows = g_list_remove (priv->windows, window);
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g_application_release (G_APPLICATION (application));
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gtk_window_set_application (window, NULL);
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}
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}
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/**
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* gtk_application_get_windows:
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* @application: a #GtkApplication
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*
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* Gets a list of the #GtkWindow<!-- -->s associated with @application.
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*
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* The list that is returned should not be modified in any way.
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*
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* Returns: a #GList of #GtkWindow
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*
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* Since: 3.0
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**/
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GList *
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gtk_application_get_windows (GtkApplication *application)
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{
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g_return_val_if_fail (GTK_IS_APPLICATION (application), NULL);
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return application->priv->windows;
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}
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