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Diffstat (limited to 'tqtinterface/qt4/include/private/qt4_qwidget_p.h')
| -rw-r--r-- | tqtinterface/qt4/include/private/qt4_qwidget_p.h | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/tqtinterface/qt4/include/private/qt4_qwidget_p.h b/tqtinterface/qt4/include/private/qt4_qwidget_p.h new file mode 100644 index 0000000..c0f6ec7 --- /dev/null +++ b/tqtinterface/qt4/include/private/qt4_qwidget_p.h @@ -0,0 +1,334 @@ +// ----------------------------------------------------------------------------------- +// Large chunks of this file are taken straight from the qwidget_p.h file in Qt4 +// +// Specifically, these structures and classes must be kept in sync with Qt4: +// QWidgetBackingStoreTracker +// QTLWExtra +// QWExtra +// The same applies to the implementations defined in tqwidget.cpp +// +// Enjoy! +// ----------------------------------------------------------------------------------- + +#ifndef QWIDGET_P_H +#define QWIDGET_P_H + +#include <Qt/qpointer.h> +#include <Qt/qset.h> + +// Extra QWidget data +// - to minimize memory usage for members that are seldom used. +// - top-level widgets have extra extra data to reduce cost further +#if defined(Q_WS_QWS) +class QWSManager; +#endif +#if defined(Q_WS_MAC) +class QCoreGraphicsPaintEnginePrivate; +#endif +class QPaintEngine; +class QPixmap; +class QWidgetBackingStore; +class QGraphicsProxyWidget; +class QWidgetItemV2; + +class Q_AUTOTEST_EXPORT QWidgetBackingStoreTracker +{ + +public: + QWidgetBackingStoreTracker(); + ~QWidgetBackingStoreTracker(); + + void create(QWidget *tlw); + void destroy(); + + void registerWidget(QWidget *w); + void unregisterWidget(QWidget *w); + + inline QWidgetBackingStore* data() + { + return m_ptr; + } + + inline QWidgetBackingStore* operator->() + { + return m_ptr; + } + + inline QWidgetBackingStore& operator*() + { + return *m_ptr; + } + + inline operator bool() const + { + return (0 != m_ptr); + } + +private: + Q_DISABLE_COPY(QWidgetBackingStoreTracker) + +private: + QWidgetBackingStore* m_ptr; + QSet<QWidget *> m_widgets; +}; + +struct QTLWExtra { + // *************************** Cross-platform variables ***************************** + + // Regular pointers (keep them together to avoid gaps on 64 bits architectures). + QIcon *icon; // widget icon + QPixmap *iconPixmap; + QWidgetBackingStoreTracker backingStore; + QWindowSurface *windowSurface; + QPainter *sharedPainter; + + // Implicit pointers (shared_null). + QString caption; // widget caption + QString iconText; // widget icon text + QString role; // widget role + QString filePath; // widget file path + + // Other variables. + short incw, inch; // size increments + short basew, baseh; // base sizes + // frame strut, don't use these directly, use QWidgetPrivate::frameStrut() instead. + QRect frameStrut; + QRect normalGeometry; // used by showMin/maximized/FullScreen + Qt::WindowFlags savedFlags; // Save widget flags while showing fullscreen + + // *************************** Cross-platform bit fields **************************** + uint opacity : 8; + uint posFromMove : 1; + uint sizeAdjusted : 1; + uint inTopLevelResize : 1; + uint inRepaint : 1; + uint embedded : 1; + + // *************************** Platform specific values (bit fields first) ********** +#if defined(Q_WS_X11) // <----------------------------------------------------------- X11 + uint spont_unmapped: 1; // window was spontaneously unmapped + uint dnd : 1; // DND properties installed + uint validWMState : 1; // is WM_STATE valid? + uint waitingForMapNotify : 1; // show() has been called, haven't got the MapNotify yet + WId parentWinId; // tqparent window Id (valid after reparenting) + WId userTimeWindow; // window id that tqcontains user-time timestamp when WM supports a _NET_WM_USER_TIME_WINDOW atom + QPoint fullScreenOffset; +#ifndef QT_NO_XSYNC + WId syncUpdateCounter; + ulong syncRequestTimestamp; + qint32 newCounterValueHi; + quint32 newCounterValueLo; +#endif +#elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN + uint hotkeyRegistered: 1; // Hot key from the STARTUPINFO has been registered. + HICON winIconBig; // internal big Windows icon + HICON winIconSmall; // internal small Windows icon +#elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC + uint resizer : 4; + uint isSetGeometry : 1; + uint isMove : 1; + quint32 wattr; + quint32 wclass; + WindowGroupRef group; + IconRef windowIcon; // the current window icon, if set with setWindowIcon_sys. + quint32 savedWindowAttributesFromMaximized; // Saved attributes from when the calling updateMaximizeButton_sys() +#ifdef QT_MAC_USE_COCOA + // This value is just to make sure we maximize and restore to the right location, yet we allow apps to be maximized and + // manually resized. + // The name is misleading, since this is set when maximizing the window. It is a hint to saveGeometry(..) to record the + // starting position as 0,0 instead of the normal starting position. + bool wasMaximized; +#endif // QT_MAC_USE_COCOA + +#elif defined(Q_WS_QWS) // <--------------------------------------------------------- QWS +#ifndef QT_NO_QWS_MANAGER + QWSManager *qwsManager; +#endif +#elif defined(Q_OS_SYMBIAN) + uint inExpose : 1; // Prevents drawing recursion +#endif +}; + +struct QWExtra { + // *************************** Cross-platform variables ***************************** + + // Regular pointers (keep them together to avoid gaps on 64 bits architectures). + void *glContext; // if the widget is hijacked by QGLWindowSurface + QTLWExtra *topextra; // only useful for TLWs +#ifndef QT_NO_GRAPHICSVIEW + QGraphicsProxyWidget *proxyWidget; // if the widget is embedded +#endif +#ifndef QT_NO_CURSOR + QCursor *curs; +#endif + QPointer<QStyle> style; + QPointer<QWidget> focus_proxy; + + // Implicit pointers (shared_empty/shared_null). + QRegion tqmask; // widget tqmask + QString styleSheet; + + // Other variables. + qint32 minw; + qint32 minh; // minimum size + qint32 maxw; + qint32 maxh; // maximum size + quint16 customDpiX; + quint16 customDpiY; + QSize staticContentsSize; + + // *************************** Cross-platform bit fields **************************** + uint explicitMinSize : 2; + uint explicitMaxSize : 2; + uint autoFillBackground : 1; + uint nativeChildrenForced : 1; + uint inRenderWithPainter : 1; + uint hasMask : 1; + + // *************************** Platform specific values (bit fields first) ********** +#if defined(Q_WS_WIN) // <----------------------------------------------------------- WIN +#ifndef QT_NO_DRAGANDDROP + QOleDropTarget *dropTarget; // drop target + QList<QPointer<QWidget> > oleDropWidgets; +#endif +#elif defined(Q_WS_X11) // <--------------------------------------------------------- X11 + uint compress_events : 1; + WId xDndProxy; // XDND forwarding to embedded windows +#elif defined(Q_WS_MAC) // <------------------------------------------------------ MAC +#ifdef QT_MAC_USE_COCOA + // Cocoa Mask stuff + QImage maskBits; + CGImageRef imageMask; +#endif +#elif defined(Q_OS_SYMBIAN) // <----------------------------------------------------- Symbian + uint activated : 1; // RWindowBase::Activated has been called + + /** + * If this bit is set, each native widget receives the Q_SIGNALS from the + * Symbian control immediately before and immediately after draw ops are + * sent to the window server for this control: + * void beginNativePaintEvent(const QRect &paintRect); + * void endNativePaintEvent(const QRect &paintRect); + */ + uint receiveNativePaintEvents : 1; + + /** + * Defines the behaviour of QSymbianControl::Draw. + */ + enum NativePaintMode { + /** + * Normal drawing mode: blits the required region of the backing store + * via WSERV. + */ + Blit, + + /** + * Disable drawing for this widget. + */ + Disable, + + /** + * Paint zeros into the WSERV framebuffer, using BitGDI APIs. For windows + * with an EColor16MU display mode, zero is written only into the R, G and B + * channels of the pixel. + */ + ZeroFill, + + Default = Blit + }; + + NativePaintMode nativePaintMode; + +#endif +}; + +class Q_GUI_EXPORT QWidgetPrivate +{ +// Q_DECLARE_PUBLIC(QWidget) + +public: + // *************************** Cross-platform *************************************** + enum DrawWidgetFlags { + DrawAsRoot = 0x01, + DrawPaintOnScreen = 0x02, + DrawRecursive = 0x04, + DrawInvisible = 0x08, + DontSubtractOpaqueChildren = 0x10, + DontSetCompositionMode = 0x20, + DontDrawOpaqueChildren = 0x40 + }; + + enum CloseMode { + CloseNoEvent, + CloseWithEvent, + CloseWithSpontaneousEvent + }; + + enum Direction { + DirectionNorth = 0x01, + DirectionEast = 0x10, + DirectionSouth = 0x02, + DirectionWest = 0x20 + }; + + // Functions. + explicit QWidgetPrivate(int version); + ~QWidgetPrivate(); + + QWExtra *extraData() const; + QTLWExtra *topData() const; + QTLWExtra *maybeTopData() const; + QPainter *sharedPainter() const; + void setSharedPainter(QPainter *painter); + QWidgetBackingStore *maybeBackingStore() const; + void init(QWidget *desktopWidget, Qt::WindowFlags f); + void create_sys(WId window, bool initializeWindow, bool destroyOldWindow); + void createRecursively(); + void createWinId(WId id = 0); + + void createTLExtra(); + void createExtra(); + void deleteExtra(); + void createSysExtra(); + void deleteSysExtra(); + void createTLSysExtra(); + void deleteTLSysExtra(); + void updateSystemBackground(); + void propagatePaletteChange(); + + // Variables. + // Regular pointers (keep them together to avoid gaps on 64 bit architectures). + QWExtra *extra; + QWidget *focus_next; + QWidget *focus_prev; + QWidget *focus_child; + QLayout *layout; + QRegion *needsFlush; + QPaintDevice *redirectDev; + QWidgetItemV2 *widgetItem; + QPaintEngine *extraPaintEngine; + mutable const QMetaObject *polished; + QGraphicsEffect *graphicsEffect; + // All widgets are added into the allWidgets set. Once + // they receive a window id they are also added to the mapper. + // This should just ensure that all widgets are deleted by QApplication + static QWidgetMapper *mapper; +}; + +inline QWExtra *QWidgetPrivate::extraData() const +{ + return extra; +} + +inline QTLWExtra *QWidgetPrivate::topData() const +{ + const_cast<QWidgetPrivate *>(this)->createTLExtra(); + return extra->topextra; +} + +inline QTLWExtra *QWidgetPrivate::maybeTopData() const +{ + return extra ? extra->topextra : 0; +} + +#endif // QWIDGET_P_H
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