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Use XCB instead of QPlatformNativeInterface to get state of translucent windows support

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Ilya Fedin 2021-12-08 05:26:28 +04:00 • committed by John Preston
parent 692fd7a3a2
commit 5195b7b45f
1 changed files with 27 additions and 18 deletions
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45
ui/platform/linux/ui_utility_linux.cpp
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@ -7,10 +7,8 @@
#include "ui/platform/linux/ui_utility_linux.h"
#include "base/platform/base_platform_info.h"
#include "base/debug_log.h"
#include "ui/platform/linux/ui_linux_wayland_integration.h"
#include "base/const_string.h"
#include "base/flat_set.h"
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#include "base/platform/linux/base_linux_glibmm_helper.h"
@ -23,10 +21,8 @@
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#include <QtCore/QPoint>
#include <QtGui/QScreen>
#include <QtGui/QWindow>
#include <QtWidgets/QApplication>
#include <qpa/qplatformnativeinterface.h>
namespace Ui {
namespace Platform {
@ -431,23 +427,36 @@ bool TranslucentWindowsSupported(QPoint globalPosition) {
return true;
}
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
if (::Platform::IsX11()) {
if (const auto native = QGuiApplication::platformNativeInterface()) {
if (const auto screen = QGuiApplication::screenAt(globalPosition)) {
if (native->nativeResourceForScreen(QByteArray("compositingEnabled"), screen)) {
return true;
}
const auto index = QGuiApplication::screens().indexOf(screen);
static auto WarnedAbout = base::flat_set<int>();
if (!WarnedAbout.contains(index)) {
WarnedAbout.emplace(index);
LOG(("WARNING: Compositing is disabled for screen index %1 (for position %2,%3)").arg(index).arg(globalPosition.x()).arg(globalPosition.y()));
}
} else {
LOG(("WARNING: Could not get screen for position %1,%2").arg(globalPosition.x()).arg(globalPosition.y()));
}
const auto connection = base::Platform::XCB::GetConnectionFromQt();
if (!connection) {
return false;
}
const auto atom = base::Platform::XCB::GetAtom(
connection,
"_NET_WM_CM_S0");
if (!atom) {
return false;
}
const auto cookie = xcb_get_selection_owner(connection, *atom);
const auto result = base::Platform::XCB::MakeReplyPointer(
xcb_get_selection_owner_reply(
connection,
cookie,
nullptr));
if (!result) {
return false;
}
return result->owner;
}
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
return false;
}