131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/*
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* Copyright © 2016 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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* Jonas Ådahl <jadahl@redhat.com>
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*/
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#include "config.h"
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#include <errno.h>
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#include <gdk/x11/gdkx.h>
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#include <X11/Xatom.h>
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#include <gdk/gdk.h>
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#include <stdlib.h>
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#include "externalwindow-x11.h"
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struct _ExternalWindowX11
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{
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ExternalWindow parent;
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Window foreign_xid;
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};
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struct _ExternalWindowX11Class
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{
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ExternalWindowClass parent_class;
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};
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G_DEFINE_TYPE (ExternalWindowX11, external_window_x11,
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EXTERNAL_TYPE_WINDOW)
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ExternalWindowX11 *
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external_window_x11_new (const char *handle_str)
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{
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ExternalWindowX11 *external_window_x11;
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const char x11_prefix[] = "x11:";
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const char *x11_handle_str;
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int xid;
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if (!g_str_has_prefix (handle_str, x11_prefix))
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{
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g_warning ("Invalid external window handle string '%s'", handle_str);
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return NULL;
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}
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x11_handle_str = handle_str + strlen (x11_prefix);
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errno = 0;
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xid = strtol (x11_handle_str, NULL, 16);
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if (errno != 0)
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{
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g_warning ("Failed to reference external X11 window, invalid XID %s",
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x11_handle_str);
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return NULL;
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}
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external_window_x11 = g_object_new (EXTERNAL_TYPE_WINDOW_X11,
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NULL);
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external_window_x11->foreign_xid = xid;
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return external_window_x11;
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}
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static void
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external_window_x11_set_parent_of (ExternalWindow *external_window,
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GdkSurface *surface)
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{
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ExternalWindowX11 *external_window_x11 =
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EXTERNAL_WINDOW_X11 (external_window);
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GdkDisplay *display;
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Display *xdisplay;
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Atom atom;
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display = gdk_display_get_default ();
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xdisplay = gdk_x11_display_get_xdisplay (display);
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XSetTransientForHint (xdisplay,
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GDK_SURFACE_XID (surface),
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external_window_x11->foreign_xid);
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atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG");
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XChangeProperty (xdisplay,
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GDK_SURFACE_XID (surface),
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gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"),
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XA_ATOM, 32, PropModeReplace,
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(guchar *)&atom, 1);
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}
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static void
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external_window_x11_init (ExternalWindowX11 *external_window_x11)
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{
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}
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static void
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external_window_x11_class_init (ExternalWindowX11Class *klass)
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{
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ExternalWindowClass *external_window_class = EXTERNAL_WINDOW_CLASS (klass);
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external_window_class->set_parent_of = external_window_x11_set_parent_of;
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}
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GdkDisplay *
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init_external_window_x11_display (GError **error)
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{
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g_assert (!gtk_is_initialized ());
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gdk_set_allowed_backends ("x11");
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if (gtk_init_check ())
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{
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GdkDisplay *display = gdk_display_get_default ();
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g_assert (GDK_IS_X11_DISPLAY (display));
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return display;
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}
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else
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return NULL;
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}
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