tdesktop/Telegram/SourceFiles/platform/linux/linux_gdk_helper.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "platform/linux/linux_gdk_helper.h"
#include "base/platform/linux/base_linux_gtk_integration.h"
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#include "base/platform/linux/base_linux_gtk_integration_p.h"
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#include "platform/linux/linux_gtk_integration_p.h"
#include "platform/linux/linux_wayland_integration.h"
#include <QtGui/QWindow>
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
extern "C" {
#include <gdk/gdkx.h>
} // extern "C"
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
// CentOS 7 seem to be too old for needed definitions,
// so don't include until we link to gtk directly.
#if !defined DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION && defined LINK_TO_GTK
extern "C" {
#include <gdk/gdkwayland.h>
} // extern "C"
#endif // !DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION && LINK_TO_GTK
namespace Platform {
namespace internal {
namespace {
using base::Platform::GtkIntegration;
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using namespace Platform::Gtk;
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
// To be able to compile with gtk-3.0 headers as well
#define GdkDrawable GdkWindow
// Gtk 2
using f_gdk_x11_drawable_get_xdisplay = Display*(*)(GdkDrawable*);
f_gdk_x11_drawable_get_xdisplay gdk_x11_drawable_get_xdisplay = nullptr;
using f_gdk_x11_drawable_get_xid = XID(*)(GdkDrawable*);
f_gdk_x11_drawable_get_xid gdk_x11_drawable_get_xid = nullptr;
// Gtk 3
using f_gdk_x11_window_get_type = GType (*)(void);
f_gdk_x11_window_get_type gdk_x11_window_get_type = nullptr;
// To be able to compile with gtk-2.0 headers as well
template <typename Object>
inline bool gdk_is_x11_window_check(Object *obj) {
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return g_type_cit_helper(obj, gdk_x11_window_get_type());
}
using f_gdk_window_get_display = GdkDisplay*(*)(GdkWindow *window);
f_gdk_window_get_display gdk_window_get_display = nullptr;
using f_gdk_x11_display_get_xdisplay = Display*(*)(GdkDisplay *display);
f_gdk_x11_display_get_xdisplay gdk_x11_display_get_xdisplay = nullptr;
using f_gdk_x11_window_get_xid = Window(*)(GdkWindow *window);
f_gdk_x11_window_get_xid gdk_x11_window_get_xid = nullptr;
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
using f_gdk_wayland_window_get_type = GType (*)(void);
f_gdk_wayland_window_get_type gdk_wayland_window_get_type = nullptr;
template <typename Object>
inline bool gdk_is_wayland_window_check(Object *obj) {
return g_type_cit_helper(obj, gdk_wayland_window_get_type());
}
using f_gdk_wayland_window_set_transient_for_exported = gboolean(*)(GdkWindow *window, char *parent_handle_str);
f_gdk_wayland_window_set_transient_for_exported gdk_wayland_window_set_transient_for_exported = nullptr;
#endif // !DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
void GdkHelperLoadGtk2(QLibrary &lib) {
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
LOAD_GTK_SYMBOL(lib, gdk_x11_drawable_get_xdisplay);
LOAD_GTK_SYMBOL(lib, gdk_x11_drawable_get_xid);
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
}
void GdkHelperLoadGtk3(QLibrary &lib) {
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
LOAD_GTK_SYMBOL(lib, gdk_x11_window_get_type);
LOAD_GTK_SYMBOL(lib, gdk_window_get_display);
LOAD_GTK_SYMBOL(lib, gdk_x11_display_get_xdisplay);
LOAD_GTK_SYMBOL(lib, gdk_x11_window_get_xid);
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
LOAD_GTK_SYMBOL(lib, gdk_wayland_window_get_type);
LOAD_GTK_SYMBOL(lib, gdk_wayland_window_set_transient_for_exported);
#endif // !DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
}
} // namespace
void GdkHelperLoad(QLibrary &lib) {
if (const auto integration = GtkIntegration::Instance()) {
if (integration->checkVersion(3, 0, 0)) {
GdkHelperLoadGtk3(lib);
} else {
GdkHelperLoadGtk2(lib);
}
}
}
void GdkSetTransientFor(GdkWindow *window, QWindow *parent) {
#ifndef DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
if (gdk_wayland_window_get_type != nullptr
&& gdk_wayland_window_set_transient_for_exported != nullptr
&& gdk_is_wayland_window_check(window)) {
if (const auto integration = WaylandIntegration::Instance()) {
if (const auto handle = integration->nativeHandle(parent)
; !handle.isEmpty()) {
auto handleUtf8 = handle.toUtf8();
gdk_wayland_window_set_transient_for_exported(
window,
handleUtf8.data());
return;
}
}
}
#endif // !DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
if (gdk_x11_window_get_type != nullptr
&& gdk_x11_display_get_xdisplay != nullptr
&& gdk_x11_window_get_xid != nullptr
&& gdk_window_get_display != nullptr
&& gdk_is_x11_window_check(window)) {
XSetTransientForHint(
gdk_x11_display_get_xdisplay(gdk_window_get_display(window)),
gdk_x11_window_get_xid(window),
parent->winId());
return;
}
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
if (gdk_x11_drawable_get_xdisplay != nullptr
&& gdk_x11_drawable_get_xid != nullptr) {
XSetTransientForHint(
gdk_x11_drawable_get_xdisplay(window),
gdk_x11_drawable_get_xid(window),
parent->winId());
return;
}
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
}
} // namespace internal
} // namespace Platform