| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QPAINTDEVICEWINDOW_H |
| 5 | #define QPAINTDEVICEWINDOW_H |
| 6 | |
| 7 | #include <QtGui/qtguiglobal.h> |
| 8 | #include <QtGui/QWindow> |
| 9 | #include <QtGui/QPaintDevice> |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | class QPaintDeviceWindowPrivate; |
| 14 | class QPaintEvent; |
| 15 | |
| 16 | class Q_GUI_EXPORT QPaintDeviceWindow : public QWindow, public QPaintDevice |
| 17 | { |
| 18 | Q_OBJECT |
| 19 | Q_DECLARE_PRIVATE(QPaintDeviceWindow) |
| 20 | |
| 21 | public: |
| 22 | void update(const QRect &rect); |
| 23 | void update(const QRegion ®ion); |
| 24 | |
| 25 | using QWindow::width; |
| 26 | using QWindow::height; |
| 27 | using QWindow::devicePixelRatio; |
| 28 | |
| 29 | public Q_SLOTS: |
| 30 | void update(); |
| 31 | |
| 32 | protected: |
| 33 | void exposeEvent(QExposeEvent *) override; |
| 34 | void paintEvent(QPaintEvent *event) override; |
| 35 | |
| 36 | int metric(PaintDeviceMetric metric) const override; |
| 37 | bool event(QEvent *event) override; |
| 38 | |
| 39 | QPaintDeviceWindow(QPaintDeviceWindowPrivate &dd, QWindow *parent); |
| 40 | |
| 41 | private: |
| 42 | QPaintEngine *paintEngine() const override; |
| 43 | Q_DISABLE_COPY(QPaintDeviceWindow) |
| 44 | }; |
| 45 | |
| 46 | QT_END_NAMESPACE |
| 47 | |
| 48 | #endif |
| 49 |