diff options
Diffstat (limited to 'src/gui/kernel/qwidget_p.h')
| -rw-r--r-- | src/gui/kernel/qwidget_p.h | 525 |
1 files changed, 246 insertions, 279 deletions
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h index 8731551..bf4f091 100644 --- a/src/gui/kernel/qwidget_p.h +++ b/src/gui/kernel/qwidget_p.h @@ -99,88 +99,92 @@ class QWidgetItemV2; class QStyle; struct QTLWExtra { + // *************************** Cross-platform variables ***************************** + + // Regular pointers (keep them together to avoid gaps on 64 bits architectures). + QIcon *icon; // widget icon + QPixmap *iconPixmap; + QWidgetBackingStore *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 - QIcon *icon; // widget icon - QPixmap *iconPixmap; + + // 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; - QWidgetBackingStore *backingStore; -#if defined(Q_WS_WIN) - ulong savedFlags; // Save window flags while showing fullscreen - uint embedded : 1; // window is embedded in another application -#else - Qt::WindowFlags savedFlags; // Save widget flags while showing fullscreen -#endif - short basew, baseh; // base sizes -#if defined(Q_WS_X11) - WId parentWinId; // parent window Id (valid after reparenting) - uint embedded : 1; // window is embedded in another Qt application + 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; // parent window Id (valid after reparenting) WId userTimeWindow; // window id that contains user-time timestamp when WM supports a _NET_WM_USER_TIME_WINDOW atom QPoint fullScreenOffset; -#endif -#if defined(Q_WS_MAC) +#elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN + 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() - uint resizer : 4; - uint isSetGeometry : 1; - uint isMove : 1; - uint embedded : 1; -#endif -#if defined(Q_WS_QWS) && !defined (QT_NO_QWS_MANAGER) +#elif defined(Q_WS_QWS) // <--------------------------------------------------------- QWS +#ifndef QT_NO_QWS_MANAGER QWSManager *qwsManager; #endif -#if defined(Q_WS_WIN) - HICON winIconBig; // internal big Windows icon - HICON winIconSmall; // internal small Windows icon #endif - QRect normalGeometry; // used by showMin/maximized/FullScreen - QWindowSurface *windowSurface; - QPainter *sharedPainter; }; struct QWExtra { - qint32 minw, minh; // minimum size - qint32 maxw, maxh; // maximum size - QPointer<QWidget> focus_proxy; -#ifndef QT_NO_CURSOR - QCursor *curs; -#endif + // *************************** 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 QGraphicsProxyWidget *proxyWidget; // if the widget is embedded - void *glContext; // if the widget is hijacked by QGLWindowSurface -#if defined(Q_WS_WIN) && !defined(QT_NO_DRAGANDDROP) - QOleDropTarget *dropTarget; // drop target - QList<QPointer<QWidget> > oleDropWidgets; -#endif -#if defined(Q_WS_X11) - WId xDndProxy; // XDND forwarding to embedded windows +#ifndef QT_NO_CURSOR + QCursor *curs; #endif + QPointer<QStyle> style; + QPointer<QWidget> focus_proxy; + + // Implicit pointers (shared_empty/shared_null). QRegion mask; // widget mask + QString styleSheet; + + // Other variables. + qint32 minw; + qint32 minh; // minimum size + qint32 maxw; + qint32 maxh; // maximum size + quint16 customDpiX; + quint16 customDpiY; QSize staticContentsSize; -//bit flags at the end to improve packing -#if defined(Q_WS_WIN) - uint shown_mode : 8; // widget show mode -#endif -#if defined(Q_WS_X11) - uint compress_events : 1; -#endif + // *************************** Cross-platform bit fields **************************** uint explicitMinSize : 2; uint explicitMaxSize : 2; uint autoFillBackground : 1; @@ -188,16 +192,22 @@ struct QWExtra { uint inRenderWithPainter : 1; uint hasMask : 1; - QPointer<QStyle> style; - QString styleSheet; - - quint16 customDpiX; - quint16 customDpiY; -#if defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA) + // *************************** 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 +#endif }; class Q_GUI_EXPORT QWidgetPrivate : public QObjectPrivate @@ -205,6 +215,24 @@ class Q_GUI_EXPORT QWidgetPrivate : public QObjectPrivate 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 + }; + + // Functions. explicit QWidgetPrivate(int version = QObjectPrivateVersion); ~QWidgetPrivate(); @@ -214,10 +242,6 @@ public: QPainter *sharedPainter() const; void setSharedPainter(QPainter *painter); QWidgetBackingStore *maybeBackingStore() const; -#ifdef Q_WS_QWS - void setMaxWindowState_helper(); - void setFullScreenSize_helper(); -#endif void init(QWidget *desktopWidget, Qt::WindowFlags f); void create_sys(WId window, bool initializeWindow, bool destroyOldWindow); void createRecursively(); @@ -238,23 +262,6 @@ public: QPalette naturalWidgetPalette(uint inheritedMask) const; void setMask_sys(const QRegion &); -#ifdef Q_WS_WIN - bool shouldShowMaximizeButton(); - void winUpdateIsOpaque(); -#endif - -#ifdef Q_WS_MAC - void macUpdateSizeAttribute(); - void macUpdateHideOnSuspend(); - void macUpdateOpaqueSizeGrip(); - void macUpdateIgnoreMouseEvents(); - void macUpdateMetalAttribute(); - void macUpdateIsOpaque(); - void setEnabled_helper_sys(bool enable); - bool isRealWindow() const; - void applyMaxAndMinSizeConstraints(int &w, int &h); -#endif - void raise_sys(); void lower_sys(); void stackUnder_sys(QWidget *); @@ -279,20 +286,9 @@ public: void setStyle_helper(QStyle *newStyle, bool propagate, bool metalHack = false); void inheritStyle(); - bool isBackgroundInherited() const; - void setUpdatesEnabled_helper(bool ); void paintBackground(QPainter *, const QRegion &, const QPoint & = QPoint(), int flags = DrawAsRoot) const; - enum DrawWidgetFlags { - DrawAsRoot = 0x01, - DrawPaintOnScreen = 0x02, - DrawRecursive = 0x04, - DrawInvisible = 0x08, - DontSubtractOpaqueChildren = 0x10, - DontSetCompositionMode = 0x20, - DontDrawOpaqueChildren = 0x40 - }; bool isAboutToShow() const; QRegion prepareToRender(const QRegion ®ion, QWidget::RenderFlags renderFlags); void render_helper(QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion, @@ -315,10 +311,6 @@ public: QWindowSurface *createDefaultWindowSurface(); QWindowSurface *createDefaultWindowSurface_sys(); void repaint_sys(const QRegion &rgn); -#ifdef Q_WS_MAC - void update_sys(const QRect &rect); - void update_sys(const QRegion &rgn); -#endif QRect clipRect() const; QRegion clipRegion() const; @@ -329,42 +321,20 @@ public: void updateIsOpaque(); void setOpaque(bool opaque); void updateIsTranslucent(); - bool hasBackground() const; bool paintOnScreen() const; QRegion getOpaqueRegion() const; const QRegion &getOpaqueChildren() const; void setDirtyOpaqueRegion(); - QRegion opaqueChildren; - - enum CloseMode { - CloseNoEvent, - CloseWithEvent, - CloseWithSpontaneousEvent - }; bool close_helper(CloseMode mode); - bool compositeEvent(QEvent *e); void setWindowIcon_helper(); void setWindowIcon_sys(bool forceReset = false); void setWindowOpacity_sys(qreal opacity); - void adjustQuitOnCloseAttribute(); -#if defined(Q_WS_X11) - void setWindowRole(); - void sendStartupMessage(const char *message) const; - void setNetWmWindowTypes(); - void x11UpdateIsOpaque(); -#endif - -#if defined (Q_WS_WIN) - void reparentChildren(); -#endif - void scrollChildren(int dx, int dy); - void moveRect(const QRect &, int dx, int dy); void scrollRect(const QRect &, int dx, int dy); void invalidateBuffer_resizeHelper(const QPoint &oldPos, const QSize &oldSize); @@ -378,7 +348,6 @@ public: void reparentFocusWidgets(QWidget *oldtlw); static int pointToRect(const QPoint &p, const QRect &r); - QRect fromOrToLayoutItemRect(const QRect &rect, int sign) const; void setWinId(WId); void showChildren(bool spontaneous); @@ -388,9 +357,6 @@ public: void scroll_sys(int dx, int dy, const QRect &r); void deactivateWidgetCleanup(); void setGeometry_sys(int, int, int, int, bool); -#ifdef Q_WS_MAC - void setGeometry_sys_helper(int, int, int, int, bool); -#endif void sendPendingMoveAndResizeEvents(bool recursive = false, bool disableUpdates = false); void activateChildLayoutsRecursively(); void show_recursive(); @@ -402,10 +368,6 @@ public: void setEnabled_helper(bool); void registerDropSite(bool); -#if defined(Q_WS_WIN) && !defined(QT_NO_DRAGANDDROP) - QOleDropTarget *registerOleDnd(QWidget *widget); - void unregisterOleDnd(QWidget *widget, QOleDropTarget *target); -#endif static void adjustFlags(Qt::WindowFlags &flags, QWidget *w = 0); void updateFrameStrut(); @@ -415,32 +377,11 @@ public: void setWindowIconText_helper(const QString &cap); void setWindowTitle_sys(const QString &cap); -#ifdef Q_OS_WIN - void grabMouseWhileInWindow(); -#endif - #ifndef QT_NO_CURSOR void setCursor_sys(const QCursor &cursor); void unsetCursor_sys(); #endif -#ifdef Q_WS_MAC - void setWindowModified_sys(bool b); - void updateMaximizeButton_sys(); - void setWindowFilePath_sys(const QString &filePath); - void createWindow_sys(); - void recreateMacWindow(); -#ifndef QT_MAC_USE_COCOA - void initWindowPtr(); - void finishCreateWindow_sys_Carbon(OSWindowRef windowRef); -#else - void finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ windowRef); - void syncCocoaMask(); - void finishCocoaMaskSetup(); -#endif - void determineWindowClass(); - void transferChildren(); -#endif void setWindowTitle_helper(const QString &cap); void setWindowFilePath_helper(const QString &filePath); @@ -456,59 +397,89 @@ public: QInputContext *inputContext() const; -#if defined(Q_WS_QWS) - void moveSurface(QWindowSurface *surface, const QPoint &offset); + void setModal_sys(); - QRegion localRequestedRegion() const; - QRegion localAllocatedRegion() const; + inline void setRedirected(QPaintDevice *replacement, const QPoint &offset) + { + Q_ASSERT(q_func()->testAttribute(Qt::WA_WState_InPaintEvent)); + redirectDev = replacement; + redirectOffset = offset; + } - void blitToScreen(const QRegion &globalrgn); -#ifndef QT_NO_CURSOR - void updateCursor() const; -#endif + inline QPaintDevice *redirected(QPoint *offset) const + { + if (offset) + *offset = redirectDev ? redirectOffset : QPoint(); + return redirectDev; + } - QScreen* getScreen() const; + inline void restoreRedirected() + { redirectDev = 0; } - friend class QWSManager; - friend class QWSManagerPrivate; - friend class QDecoration; -#endif + inline void enforceNativeChildren() + { + if (!extra) + createExtra(); - static int instanceCounter; // Current number of widget instances - static int maxInstances; // Maximum number of widget instances + if (extra->nativeChildrenForced) + return; + extra->nativeChildrenForced = 1; -#ifdef QT_KEYPAD_NAVIGATION - static QPointer<QWidget> editingWidget; -#endif + for (int i = 0; i < children.size(); ++i) { + if (QWidget *child = qobject_cast<QWidget *>(children.at(i))) + child->setAttribute(Qt::WA_NativeWindow); + } + } - QWidgetData data; + inline bool nativeChildrenForced() const + { + return extra ? extra->nativeChildrenForced : false; + } + + QSize adjustedSize() const; + +#ifndef Q_WS_QWS // Almost cross-platform :-) + void setWSGeometry(bool dontShow=false, const QRect &oldRect = QRect()); + + inline QPoint mapToWS(const QPoint &p) const + { return p - data.wrect.topLeft(); } + + inline QPoint mapFromWS(const QPoint &p) const + { return p + data.wrect.topLeft(); } + + inline QRect mapToWS(const QRect &r) const + { QRect rr(r); rr.translate(-data.wrect.topLeft()); return rr; } + + inline QRect mapFromWS(const QRect &r) const + { QRect rr(r); rr.translate(data.wrect.topLeft()); return rr; } +#endif + // Variables. + // Regular pointers (keep them together to avoid gaps on 64 bit architectures). QWExtra *extra; QWidget *focus_next; QWidget *focus_prev; QWidget *focus_child; -#ifndef QT_NO_ACTION - QList<QAction*> actions; -#endif QLayout *layout; + QRegion *needsFlush; + QPaintDevice *redirectDev; QWidgetItemV2 *widgetItem; -#if !defined(QT_NO_IM) - QPointer<QInputContext> ic; -#endif + QPaintEngine *extraPaintEngine; + mutable const QMetaObject *polished; // All widgets are initially added into the uncreatedWidgets set. Once // they receive a window id they are removed and added to the mapper static QWidgetMapper *mapper; static QWidgetSet *uncreatedWidgets; +#if !defined(QT_NO_IM) + QPointer<QInputContext> ic; +#endif +#ifdef QT_KEYPAD_NAVIGATION + static QPointer<QWidget> editingWidget; +#endif - short leftmargin, topmargin, rightmargin, bottommargin; - - signed char leftLayoutItemMargin; - signed char topLayoutItemMargin; - signed char rightLayoutItemMargin; - signed char bottomLayoutItemMargin; - - // ### TODO: reorganize private/extra/topextra to save memory - QPointer<QWidget> compositeChildGrab; + // Implicit pointers (shared_null/shared_empty). + QRegion opaqueChildren; + QRegion dirty; #ifndef QT_NO_TOOLTIP QString toolTip; #endif @@ -518,14 +489,37 @@ public: #ifndef QT_NO_WHATSTHIS QString whatsThis; #endif - QString accessibleName, accessibleDescription; +#ifndef QT_NO_ACCESSIBILITY + QString accessibleName; + QString accessibleDescription; +#endif + // Other variables. + uint inheritedFontResolveMask; + uint inheritedPaletteResolveMask; + short leftmargin; + short topmargin; + short rightmargin; + short bottommargin; + signed char leftLayoutItemMargin; + signed char topLayoutItemMargin; + signed char rightLayoutItemMargin; + signed char bottomLayoutItemMargin; + static int instanceCounter; // Current number of widget instances + static int maxInstances; // Maximum number of widget instances + Qt::HANDLE hd; + QWidgetData data; + QSizePolicy size_policy; + QLocale locale; + QPoint redirectOffset; +#ifndef QT_NO_ACTION + QList<QAction*> actions; +#endif + + // Bit fields. + uint high_attributes[3]; // the low ones are in QWidget::widget_attributes QPalette::ColorRole fg_role : 8; QPalette::ColorRole bg_role : 8; - uint high_attributes[3]; // the low ones are in QWidget::widget_attributes - Qt::HANDLE hd; - QRegion dirty; - QRegion *needsFlush; uint dirtyOpaqueChildren : 1; uint isOpaque : 1; uint inDirtyList : 1; @@ -533,35 +527,33 @@ public: uint isMoved : 1; uint usesDoubleBufferedGLContext : 1; -#ifdef Q_WS_WIN - uint noPaintOnScreen : 1; // see qwidget_win.cpp ::paintEngine() -#endif - - uint inheritedFontResolveMask; - uint inheritedPaletteResolveMask; -#if defined(Q_WS_X11) + // *************************** Platform specific ************************************ +#if defined(Q_WS_X11) // <----------------------------------------------------------- X11 QX11Info xinfo; Qt::HANDLE picture; + static QWidget *mouseGrabber; + static QWidget *keyboardGrabber; + + void setWindowRole(); + void sendStartupMessage(const char *message) const; + void setNetWmWindowTypes(); + void x11UpdateIsOpaque(); + bool isBackgroundInherited() const; +#elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN + uint noPaintOnScreen : 1; // see qwidget_win.cpp ::paintEngine() + + bool shouldShowMaximizeButton(); + void winUpdateIsOpaque(); + void reparentChildren(); +#ifndef QT_NO_DRAGANDDROP + QOleDropTarget *registerOleDnd(QWidget *widget); + void unregisterOleDnd(QWidget *widget, QOleDropTarget *target); #endif -#if defined(Q_WS_MAC) - enum PaintChildrenOPs { - PC_None = 0x00, - PC_Now = 0x01, - PC_NoPaint = 0x04, - PC_Later = 0x10 - }; - EventHandlerRef window_event; - bool qt_mac_dnd_event(uint, DragRef); - void toggleDrawers(bool); - //mac event functions - static bool qt_create_root_win(); - static void qt_clean_root_win(); - static bool qt_recreate_root_win(); - static bool qt_mac_update_sizer(QWidget *, int up = 0); - static OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *); - static OSStatus qt_widget_event(EventHandlerCallRef er, EventRef event, void *); - static bool qt_widget_rgn(QWidget *, short, RgnHandle, bool); - static bool qt_widget_shape(QWidget *, short, HIMutableShapeRef, bool); + void grabMouseWhileInWindow(); +#elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC + // This is new stuff + uint needWindowChange : 1; + uint isGLWidget : 1; // Each wiget keeps a list of all its child and grandchild OpenGL widgets. // This list is used to update the gl context whenever a parent and a granparent @@ -574,95 +566,70 @@ public: QWidget * widget; QWidget * lastUpdateWidget; }; - QList<GlWidgetInfo> glWidgets; // dirtyOnWidget contains the areas in the widget that needs to be repained, // in the same way as dirtyOnScreen does for the window. Areas are added in // dirtyWidget_sys and cleared in the paint event. In scroll_sys we then use // this information repaint invalid areas when widgets are scrolled. QRegion dirtyOnWidget; + EventHandlerRef window_event; + QList<GlWidgetInfo> glWidgets; //these are here just for code compat (HIViews) Qt::HANDLE qd_hd; - // This is new stuff - uint needWindowChange : 1; - uint isGLWidget : 1; -#endif - -#if defined(Q_WS_X11) || defined (Q_WS_WIN) || defined(Q_WS_MAC) -#ifdef Q_WS_MAC - void setWSGeometry(bool dontShow=false, const QRect &oldRect = QRect()); + void macUpdateSizeAttribute(); + void macUpdateHideOnSuspend(); + void macUpdateOpaqueSizeGrip(); + void macUpdateIgnoreMouseEvents(); + void macUpdateMetalAttribute(); + void macUpdateIsOpaque(); + void setEnabled_helper_sys(bool enable); + bool isRealWindow() const; + void adjustWithinMaxAndMinSize(int &w, int &h); + void applyMaxAndMinSizeOnWindow(); + void update_sys(const QRect &rect); + void update_sys(const QRegion &rgn); + void setGeometry_sys_helper(int, int, int, int, bool); + void setWindowModified_sys(bool b); + void updateMaximizeButton_sys(); + void setWindowFilePath_sys(const QString &filePath); + void createWindow_sys(); + void recreateMacWindow(); +#ifndef QT_MAC_USE_COCOA + void initWindowPtr(); + void finishCreateWindow_sys_Carbon(OSWindowRef windowRef); #else - void setWSGeometry(bool dontShow=false); + void finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ windowRef); + void syncCocoaMask(); + void finishCocoaMaskSetup(); #endif + void determineWindowClass(); + void transferChildren(); + bool qt_mac_dnd_event(uint, DragRef); + void toggleDrawers(bool); + //mac event functions + static bool qt_create_root_win(); + static void qt_clean_root_win(); + static bool qt_mac_update_sizer(QWidget *, int up = 0); + static OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *); + static OSStatus qt_widget_event(EventHandlerCallRef er, EventRef event, void *); + static bool qt_widget_rgn(QWidget *, short, RgnHandle, bool); +#elif defined(Q_WS_QWS) // <--------------------------------------------------------- QWS + void setMaxWindowState_helper(); + void setFullScreenSize_helper(); + void moveSurface(QWindowSurface *surface, const QPoint &offset); + QRegion localRequestedRegion() const; + QRegion localAllocatedRegion() const; - inline QPoint mapToWS(const QPoint &p) const - { return p - data.wrect.topLeft(); } - - inline QPoint mapFromWS(const QPoint &p) const - { return p + data.wrect.topLeft(); } - - inline QRect mapToWS(const QRect &r) const - { QRect rr(r); rr.translate(-data.wrect.topLeft()); return rr; } - - inline QRect mapFromWS(const QRect &r) const - { QRect rr(r); rr.translate(data.wrect.topLeft()); return rr; } + friend class QWSManager; + friend class QWSManagerPrivate; + friend class QDecoration; +#ifndef QT_NO_CURSOR + void updateCursor() const; #endif - - QPaintEngine *extraPaintEngine; - - mutable const QMetaObject *polished; - - void setModal_sys(); - QSizePolicy size_policy; - QLocale locale; - -#ifdef Q_WS_X11 - static QWidget *mouseGrabber; - static QWidget *keyboardGrabber; + QScreen* getScreen() const; #endif - QPaintDevice *redirectDev; - QPoint redirectOffset; - - inline void setRedirected(QPaintDevice *replacement, const QPoint &offset) - { - Q_ASSERT(q_func()->testAttribute(Qt::WA_WState_InPaintEvent)); - redirectDev = replacement; - redirectOffset = offset; - } - - inline QPaintDevice *redirected(QPoint *offset) const - { - if (offset) - *offset = redirectDev ? redirectOffset : QPoint(); - return redirectDev; - } - - inline void restoreRedirected() - { redirectDev = 0; } - - inline void enforceNativeChildren() - { - if (!extra) - createExtra(); - - if (extra->nativeChildrenForced) - return; - extra->nativeChildrenForced = 1; - - for (int i = 0; i < children.size(); ++i) { - if (QWidget *child = qobject_cast<QWidget *>(children.at(i))) - child->setAttribute(Qt::WA_NativeWindow); - } - } - - inline bool nativeChildrenForced() const - { - return extra ? extra->nativeChildrenForced : false; - } - - QSize adjustedSize() const; }; inline QWExtra *QWidgetPrivate::extraData() const |