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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qcgcapturablewindows_p.h"
#include "private/qcapturablewindow_p.h"
#include "QtCore/private/qcore_mac_p.h"
#include <AppKit/NSWindow.h>
QT_BEGIN_NAMESPACE
QList<QCapturableWindow> QCGCapturableWindows::windows() const
{
QList<QCapturableWindow> result;
QCFType<CFArrayRef> windowList(
CGWindowListCopyWindowInfo(kCGWindowListOptionOnScreenOnly, kCGNullWindowID));
// Iterate through the window dictionaries
CFIndex count = CFArrayGetCount(windowList);
for (CFIndex i = 0; i < count; ++i) {
auto windowInfo = (CFDictionaryRef)CFArrayGetValueAtIndex(windowList, i);
auto windowNumber = (CFNumberRef)CFDictionaryGetValue(windowInfo, kCGWindowNumber);
auto windowName = (CFStringRef)CFDictionaryGetValue(windowInfo, kCGWindowName);
CGWindowID windowId = 0;
static_assert(sizeof(windowId) == 4,
"CGWindowID size is not compatible with kCFNumberSInt32Type");
CFNumberGetValue(windowNumber, kCFNumberSInt32Type, &windowId);
auto windowData = std::make_unique<QCapturableWindowPrivate>();
windowData->id = static_cast<QCapturableWindowPrivate::Id>(windowId);
if (windowName)
windowData->description = QString::fromCFString(windowName);
result.push_back(windowData.release()->create());
}
return result;
}
bool QCGCapturableWindows::isWindowValid(const QCapturableWindowPrivate &window) const
{
QCFType<CFArrayRef> windowList(
CGWindowListCreate(kCGWindowListOptionIncludingWindow, window.id));
return CFArrayGetCount(windowList) > 0;
}
QT_END_NAMESPACE
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