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// Copyright (C) 2016 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
#ifndef QWINDOWSSCREEN_H
#define QWINDOWSSCREEN_H
#include "qtwindowsglobal.h"
#include <QtCore/qlist.h>
#include <QtCore/qscopedpointer.h>
#include <qpa/qplatformscreen.h>
#include <QtGui/qscreen_platform.h>
QT_BEGIN_NAMESPACE
struct QWindowsScreenData
{
enum Flags
{
PrimaryScreen = 0x1,
VirtualDesktop = 0x2,
LockScreen = 0x4 // Temporary screen existing during user change, etc.
};
QRect geometry;
QRect availableGeometry;
QDpi dpi{96, 96};
QSizeF physicalSizeMM;
int depth = 32;
QImage::Format format = QImage::Format_ARGB32_Premultiplied;
unsigned flags = VirtualDesktop;
QString name;
QString manufacturer;
QString model;
QString serialNumber;
Qt::ScreenOrientation orientation = Qt::LandscapeOrientation;
qreal refreshRateHz = 60;
HMONITOR hMonitor = nullptr;
QString deviceName;
QString devicePath;
std::optional<int> deviceIndex = std::nullopt;
};
class QWindowsScreen : public QPlatformScreen, public QNativeInterface::QWindowsScreen
{
public:
#ifndef QT_NO_CURSOR
using CursorPtr = QScopedPointer<QPlatformCursor>;
#endif
explicit QWindowsScreen(const QWindowsScreenData &data);
QRect geometry() const override { return m_data.geometry; }
QRect availableGeometry() const override { return m_data.availableGeometry; }
int depth() const override { return m_data.depth; }
QImage::Format format() const override { return m_data.format; }
QSizeF physicalSize() const override { return m_data.physicalSizeMM; }
QDpi logicalDpi() const override { return m_data.dpi; }
QDpi logicalBaseDpi() const override { return QDpi(baseDpi, baseDpi); }
qreal devicePixelRatio() const override { return 1.0; }
qreal refreshRate() const override { return m_data.refreshRateHz; }
QString name() const override;
QString manufacturer() const override { return m_data.manufacturer; }
QString model() const override { return m_data.model; }
QString serialNumber() const override { return m_data.serialNumber; }
Qt::ScreenOrientation orientation() const override { return m_data.orientation; }
QList<QPlatformScreen *> virtualSiblings() const override;
QWindow *topLevelAt(const QPoint &point) const override;
static QWindow *windowAt(const QPoint &point, unsigned flags);
QPixmap grabWindow(WId window, int qX, int qY, int qWidth, int qHeight) const override;
QPlatformScreen::SubpixelAntialiasingType subpixelAntialiasingTypeHint() const override;
static Qt::ScreenOrientation orientationPreference();
static bool setOrientationPreference(Qt::ScreenOrientation o);
inline void handleChanges(const QWindowsScreenData &newData);
HMONITOR handle() const override;
#ifndef QT_NO_CURSOR
QPlatformCursor *cursor() const override { return m_cursor.data(); }
const CursorPtr &cursorPtr() const { return m_cursor; }
#else
QPlatformCursor *cursor() const { return 0; }
#endif // !QT_NO_CURSOR
const QWindowsScreenData &data() const { return m_data; }
static QRect virtualGeometry(const QPlatformScreen *screen);
static inline int baseDpi = 96;
private:
QWindowsScreenData m_data;
#ifndef QT_NO_CURSOR
const CursorPtr m_cursor;
#endif
};
class QWindowsScreenManager
{
Q_DISABLE_COPY_MOVE(QWindowsScreenManager)
public:
using WindowsScreenList = QList<QWindowsScreen *>;
QWindowsScreenManager();
void initialize();
void destroyWindow();
~QWindowsScreenManager();
void clearScreens();
bool handleScreenChanges();
const WindowsScreenList &screens() const { return m_screens; }
const QWindowsScreen *screenAtDp(const QPoint &p) const;
const QWindowsScreen *screenForHwnd(HWND hwnd) const;
static bool isSingleScreen();
private:
void removeScreen(int index);
HWND m_displayChangeObserver = nullptr;
WindowsScreenList m_screens;
};
QT_END_NAMESPACE
#endif // QWINDOWSSCREEN_H
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