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| |
| #ifndef QPLATFORMSCREEN_H |
| #define QPLATFORMSCREEN_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is part of the QPA API and is not meant to be used |
| // in applications. Usage of this API may make your code |
| // source and binary incompatible with future versions of Qt. |
| // |
| |
| #include <QtGui/qtguiglobal.h> |
| #include <QtCore/qmetatype.h> |
| #include <QtCore/qnamespace.h> |
| #include <QtCore/qcoreevent.h> |
| #include <QtCore/qvariant.h> |
| #include <QtCore/qrect.h> |
| #include <QtCore/qobject.h> |
| |
| #include <QtGui/qcursor.h> |
| #include <QtGui/qimage.h> |
| #include <QtGui/qwindowdefs.h> |
| #include <qpa/qplatformpixmap.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QPlatformBackingStore; |
| class QPlatformScreenPrivate; |
| class QPlatformWindow; |
| class QPlatformCursor; |
| class QScreen; |
| class QSurfaceFormat; |
| |
| typedef QPair<qreal, qreal> QDpi; |
| |
| |
| class Q_GUI_EXPORT QPlatformScreen |
| { |
| Q_DECLARE_PRIVATE(QPlatformScreen) |
| |
| public: |
| Q_DISABLE_COPY_MOVE(QPlatformScreen) |
| |
| enum SubpixelAntialiasingType { // copied from qfontengine_p.h since we can't include private headers |
| Subpixel_None, |
| Subpixel_RGB, |
| Subpixel_BGR, |
| Subpixel_VRGB, |
| Subpixel_VBGR |
| }; |
| |
| enum PowerState { |
| PowerStateOn, |
| PowerStateStandby, |
| PowerStateSuspend, |
| PowerStateOff |
| }; |
| |
| struct Mode { |
| QSize size; |
| qreal refreshRate; |
| }; |
| |
| QPlatformScreen(); |
| virtual ~QPlatformScreen(); |
| |
| virtual bool isPlaceholder() const { return false; } |
| |
| virtual QPixmap grabWindow(WId window, int x, int y, int width, int height) const; |
| |
| virtual QRect geometry() const = 0; |
| virtual QRect availableGeometry() const {return geometry();} |
| |
| virtual int depth() const = 0; |
| virtual QImage::Format format() const = 0; |
| |
| virtual QSizeF physicalSize() const; |
| virtual QDpi logicalDpi() const; |
| virtual QDpi logicalBaseDpi() const; |
| virtual qreal devicePixelRatio() const; |
| virtual qreal pixelDensity() const; |
| |
| virtual qreal refreshRate() const; |
| |
| virtual Qt::ScreenOrientation nativeOrientation() const; |
| virtual Qt::ScreenOrientation orientation() const; |
| virtual void setOrientationUpdateMask(Qt::ScreenOrientations mask); |
| |
| virtual QWindow *topLevelAt(const QPoint &point) const; |
| QWindowList windows() const; |
| |
| virtual QList<QPlatformScreen *> virtualSiblings() const; |
| const QPlatformScreen *screenForPosition(const QPoint &point) const; |
| |
| QScreen *screen() const; |
| |
| //jl: should this function be in QPlatformIntegration |
| //jl: maybe screenForWindow is a better name? |
| static QPlatformScreen *platformScreenForWindow(const QWindow *window); |
| |
| virtual QString name() const { return QString(); } |
| |
| virtual QString manufacturer() const; |
| virtual QString model() const; |
| virtual QString serialNumber() const; |
| |
| virtual QPlatformCursor *cursor() const; |
| virtual SubpixelAntialiasingType subpixelAntialiasingTypeHint() const; |
| |
| virtual PowerState powerState() const; |
| virtual void setPowerState(PowerState state); |
| |
| virtual QVector<Mode> modes() const; |
| |
| virtual int currentMode() const; |
| virtual int preferredMode() const; |
| |
| static int angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b); |
| static QTransform transformBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target); |
| static QRect mapBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect); |
| |
| // The platform screen's geometry in device independent coordinates |
| QRect deviceIndependentGeometry() const; |
| |
| static QDpi overrideDpi(const QDpi &in); |
| |
| protected: |
| void resizeMaximizedWindows(); |
| |
| QScopedPointer<QPlatformScreenPrivate> d_ptr; |
| |
| private: |
| friend class QScreenPrivate; |
| }; |
| |
| // Qt doesn't currently support running with no platform screen |
| // QPA plugins can use this class to create a fake screen |
| class Q_GUI_EXPORT QPlatformPlaceholderScreen : public QPlatformScreen { |
| public: |
| // virtualSibling can be passed in to make the placeholder a sibling with other screens during |
| // the transitioning phase when the real screen is about to be removed, or the first real screen |
| // is about to be added. This is useful because Qt will currently recreate (but now show!) |
| // windows when they are moved from one virtual desktop to another, so if the last monitor is |
| // unplugged, then plugged in again, windows will be hidden unless the placeholder belongs to |
| // the same virtual desktop as the other screens. |
| QPlatformPlaceholderScreen(bool virtualSibling = true) : m_virtualSibling(virtualSibling) {} |
| bool isPlaceholder() const override { return true; } |
| QRect geometry() const override { return QRect(); } |
| QRect availableGeometry() const override { return QRect(); } |
| int depth() const override { return 32; } |
| QImage::Format format() const override { return QImage::Format::Format_RGB32; } |
| QList<QPlatformScreen *> virtualSiblings() const override; |
| private: |
| bool m_virtualSibling = true; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPLATFORMSCREEN_H |