114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It 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
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "platform/linux/linux_gdk_helper.h"
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#include "platform/linux/linux_libs.h"
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extern "C" {
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#undef signals
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#include <gdk/gdkx.h>
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#define signals public
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} // extern "C"
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namespace Platform {
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namespace internal {
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enum class GtkLoaded {
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GtkNone,
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Gtk2,
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Gtk3,
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};
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GtkLoaded gdk_helper_loaded = GtkLoaded::GtkNone;
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// To be able to compile with gtk-3.0 headers as well
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#define GdkDrawable GdkWindow
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// Gtk 2
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using f_gdk_x11_drawable_get_xdisplay = Display*(*)(GdkDrawable*);
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f_gdk_x11_drawable_get_xdisplay gdk_x11_drawable_get_xdisplay = nullptr;
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using f_gdk_x11_drawable_get_xid = XID(*)(GdkDrawable*);
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f_gdk_x11_drawable_get_xid gdk_x11_drawable_get_xid = nullptr;
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// Gtk 3
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using f_gdk_x11_window_get_type = GType (*)(void);
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f_gdk_x11_window_get_type gdk_x11_window_get_type = nullptr;
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// To be able to compile with gtk-2.0 headers as well
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template <typename Object>
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inline bool gdk_is_x11_window_check(Object *obj) {
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return Libs::g_type_cit_helper(obj, gdk_x11_window_get_type());
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}
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using f_gdk_window_get_display = GdkDisplay*(*)(GdkWindow *window);
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f_gdk_window_get_display gdk_window_get_display = nullptr;
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using f_gdk_x11_display_get_xdisplay = Display*(*)(GdkDisplay *display);
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f_gdk_x11_display_get_xdisplay gdk_x11_display_get_xdisplay = nullptr;
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using f_gdk_x11_window_get_xid = Window(*)(GdkWindow *window);
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f_gdk_x11_window_get_xid gdk_x11_window_get_xid = nullptr;
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bool GdkHelperLoadGtk2(QLibrary &lib) {
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if (!Libs::load(lib, "gdk_x11_drawable_get_xdisplay", gdk_x11_drawable_get_xdisplay)) return false;
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if (!Libs::load(lib, "gdk_x11_drawable_get_xid", gdk_x11_drawable_get_xid)) return false;
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return true;
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}
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bool GdkHelperLoadGtk3(QLibrary &lib) {
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if (!Libs::load(lib, "gdk_x11_window_get_type", gdk_x11_window_get_type)) return false;
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if (!Libs::load(lib, "gdk_window_get_display", gdk_window_get_display)) return false;
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if (!Libs::load(lib, "gdk_x11_display_get_xdisplay", gdk_x11_display_get_xdisplay)) return false;
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if (!Libs::load(lib, "gdk_x11_window_get_xid", gdk_x11_window_get_xid)) return false;
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return true;
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}
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void GdkHelperLoad(QLibrary &lib) {
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gdk_helper_loaded = GtkLoaded::GtkNone;
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if (GdkHelperLoadGtk2(lib)) {
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gdk_helper_loaded = GtkLoaded::Gtk2;
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} else if (GdkHelperLoadGtk3(lib)) {
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gdk_helper_loaded = GtkLoaded::Gtk3;
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}
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}
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bool GdkHelperLoaded() {
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return gdk_helper_loaded != GtkLoaded::GtkNone;
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}
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void XSetTransientForHint(GdkWindow *window, quintptr winId) {
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if (gdk_helper_loaded == GtkLoaded::Gtk2) {
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::XSetTransientForHint(gdk_x11_drawable_get_xdisplay(window),
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gdk_x11_drawable_get_xid(window),
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winId);
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} else if (gdk_helper_loaded == GtkLoaded::Gtk3) {
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if (gdk_is_x11_window_check(window)) {
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::XSetTransientForHint(gdk_x11_display_get_xdisplay(gdk_window_get_display(window)),
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gdk_x11_window_get_xid(window),
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winId);
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}
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}
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}
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} // namespace internal
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} // namespace Platform
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