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Diffstat (limited to 'src/widgets/kernel/qwidget_p.h')
| -rw-r--r-- | src/widgets/kernel/qwidget_p.h | 1018 |
1 files changed, 1018 insertions, 0 deletions
diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h new file mode 100644 index 0000000000..6e1568e0fa --- /dev/null +++ b/src/widgets/kernel/qwidget_p.h @@ -0,0 +1,1018 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWIDGET_P_H +#define QWIDGET_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header +// file may change from version to version without notice, or even be removed. +// +// We mean it. +// + +#include "QtWidgets/qwidget.h" +#include "private/qobject_p.h" +#include "QtCore/qrect.h" +#include "QtCore/qlocale.h" +#include "QtCore/qset.h" +#include "QtGui/qregion.h" +#include "QtGui/qinputpanel.h" +#include "QtWidgets/qsizepolicy.h" +#include "QtWidgets/qstyle.h" +#include "QtWidgets/qapplication.h" +#include <private/qgraphicseffect_p.h> +#include "QtWidgets/qgraphicsproxywidget.h" +#include "QtWidgets/qgraphicsscene.h" +#include "QtWidgets/qgraphicsview.h" +#include <private/qgesture_p.h> + +#ifdef Q_WS_WIN +#include "QtCore/qt_windows.h" +#include <private/qdnd_p.h> +#endif // Q_WS_WIN + +#ifdef Q_WS_X11 +#include "QtGui/qx11info_x11.h" +#endif + +#ifdef Q_WS_MAC +#include <private/qt_mac_p.h> +#endif + +#if defined(Q_WS_QWS) +#include "QtWidgets/qinputcontext.h" +#include "QtGui/qscreen_qws.h" +#endif + +#if defined(Q_OS_SYMBIAN) +class RDrawableWindow; +class CCoeControl; +#endif + +QT_BEGIN_NAMESPACE + +// 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 +#if defined(Q_WS_QPA) +class QWidgetWindow; +#endif +class QPaintEngine; +class QPixmap; +class QWidgetBackingStore; +class QGraphicsProxyWidget; +class QWidgetItemV2; + +class QStyle; + +class QUnifiedToolbarSurface; + +class Q_AUTOTEST_EXPORT QWidgetBackingStoreTracker +{ + +public: + QWidgetBackingStoreTracker(); + ~QWidgetBackingStoreTracker(); + + void create(QWidget *tlw); + void destroy(); + + void registerWidget(QWidget *w); + void unregisterWidget(QWidget *w); + void unregisterWidgetSubtree(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 backingStoreTracker; + QBackingStore *backingStore; + 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; // 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; +#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 + uint nativeWindowTransparencyEnabled : 1; // Tracks native window transparency +#elif defined(Q_WS_QPA) + QWidgetWindow *window; + quint32 screenIndex; // index in qplatformscreenlist +#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 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; + + // *************************** 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 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, + + /** + * Blit backing store, propagating alpha channel into the framebuffer. + */ + BlitWriteAlpha, + + Default = Blit + }; + + NativePaintMode nativePaintMode; + +#endif +}; + +/*! + \internal + + Returns true if \a p or any of its parents enable the + Qt::BypassGraphicsProxyWidget window flag. Used in QWidget::show() and + QWidget::setParent() to determine whether it's necessary to embed the + widget into a QGraphicsProxyWidget or not. +*/ +static inline bool bypassGraphicsProxyWidget(const QWidget *p) +{ + while (p) { + if (p->windowFlags() & Qt::BypassGraphicsProxyWidget) + return true; + p = p->parentWidget(); + } + return false; +} + +class Q_WIDGETS_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, + DontDrawNativeChildren = 0x80 + }; + + enum CloseMode { + CloseNoEvent, + CloseWithEvent, + CloseWithSpontaneousEvent + }; + + enum Direction { + DirectionNorth = 0x01, + DirectionEast = 0x10, + DirectionSouth = 0x02, + DirectionWest = 0x20 + }; + + // Functions. + explicit QWidgetPrivate(int version = QObjectPrivateVersion); + ~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(); + + void setPalette_helper(const QPalette &); + void resolvePalette(); + QPalette naturalWidgetPalette(uint inheritedMask) const; + + void setMask_sys(const QRegion &); +#ifdef Q_OS_SYMBIAN + void setSoftKeys_sys(const QList<QAction*> &softkeys); + void activateSymbianWindow(WId wid = 0); + void _q_delayedDestroy(WId winId); +#endif + + void raise_sys(); + void lower_sys(); + void stackUnder_sys(QWidget *); + + void setFocus_sys(); + + void updateFont(const QFont &); + inline void setFont_helper(const QFont &font) { + if (data.fnt == font && data.fnt.resolve() == font.resolve()) + return; + updateFont(font); + } + void resolveFont(); + QFont naturalWidgetFont(uint inheritedMask) const; + + void setLayoutDirection_helper(Qt::LayoutDirection); + void resolveLayoutDirection(); + + void setLocale_helper(const QLocale &l, bool forceUpdate = false); + void resolveLocale(); + + void setStyle_helper(QStyle *newStyle, bool propagate, bool metalHack = false); + void inheritStyle(); + + void setUpdatesEnabled_helper(bool ); + + void paintBackground(QPainter *, const QRegion &, int flags = DrawAsRoot) const; + bool isAboutToShow() const; + QRegion prepareToRender(const QRegion ®ion, QWidget::RenderFlags renderFlags); + void render_helper(QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion, + QWidget::RenderFlags renderFlags); + void render(QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion, + QWidget::RenderFlags renderFlags, bool readyToRender); + void drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QPoint &offset, int flags, + QPainter *sharedPainter = 0, QWidgetBackingStore *backingStore = 0); + + + void paintSiblingsRecursive(QPaintDevice *pdev, const QObjectList& children, int index, + const QRegion &rgn, const QPoint &offset, int flags, + QPainter *sharedPainter, QWidgetBackingStore *backingStore); + + + QPainter *beginSharedPainter(); + bool endSharedPainter(); +#ifndef QT_NO_GRAPHICSVIEW + static QGraphicsProxyWidget * nearestGraphicsProxyWidget(const QWidget *origin); +#endif + void repaint_sys(const QRegion &rgn); + + QRect clipRect() const; + QRegion clipRegion() const; + void subtractOpaqueChildren(QRegion &rgn, const QRect &clipRect) const; + void subtractOpaqueSiblings(QRegion &source, bool *hasDirtySiblingsAbove = 0, + bool alsoNonOpaque = false) const; + void clipToEffectiveMask(QRegion ®ion) const; + void updateIsOpaque(); + void setOpaque(bool opaque); + void updateIsTranslucent(); + bool paintOnScreen() const; +#ifndef QT_NO_GRAPHICSEFFECT + void invalidateGraphicsEffectsRecursively(); +#endif //QT_NO_GRAPHICSEFFECT + + const QRegion &getOpaqueChildren() const; + void setDirtyOpaqueRegion(); + + bool close_helper(CloseMode mode); + + void setWindowIcon_helper(); + void setWindowIcon_sys(bool forceReset = false); + void setWindowOpacity_sys(qreal opacity); + void adjustQuitOnCloseAttribute(); + + 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); + // ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore). + void invalidateBuffer(const QRegion &); + void invalidateBuffer(const QRect &); + bool isOverlapped(const QRect&) const; + void syncBackingStore(); + void syncBackingStore(const QRegion ®ion); + + // tells the input panel about the widgets transform + void updateWidgetTransform(); + + void reparentFocusWidgets(QWidget *oldtlw); + + static int pointToRect(const QPoint &p, const QRect &r); + + void setWinId(WId); + void showChildren(bool spontaneous); + void hideChildren(bool spontaneous); + void setParent_sys(QWidget *parent, Qt::WindowFlags); + void scroll_sys(int dx, int dy); + void scroll_sys(int dx, int dy, const QRect &r); + void deactivateWidgetCleanup(); + void setGeometry_sys(int, int, int, int, bool); + void sendPendingMoveAndResizeEvents(bool recursive = false, bool disableUpdates = false); + void activateChildLayoutsRecursively(); + void show_recursive(); + void show_helper(); + void show_sys(); + void hide_sys(); + void hide_helper(); + void _q_showIfNotHidden(); + + void setEnabled_helper(bool); + void registerDropSite(bool); + static void adjustFlags(Qt::WindowFlags &flags, QWidget *w = 0); + + void updateFrameStrut(); + QRect frameStrut() const; + +#ifdef QT_KEYPAD_NAVIGATION + static bool navigateToDirection(Direction direction); + static QWidget *widgetInNavigationDirection(Direction direction); + static bool canKeypadNavigate(Qt::Orientation orientation); + static bool inTabWidget(QWidget *widget); +#endif + + void setWindowIconText_sys(const QString &cap); + void setWindowIconText_helper(const QString &cap); + void setWindowTitle_sys(const QString &cap); + +#ifndef QT_NO_CURSOR + void setCursor_sys(const QCursor &cursor); + void unsetCursor_sys(); +#endif + + void setWindowTitle_helper(const QString &cap); + void setWindowFilePath_helper(const QString &filePath); + + bool setMinimumSize_helper(int &minw, int &minh); + bool setMaximumSize_helper(int &maxw, int &maxh); + virtual bool hasHeightForWidth() const; + void setConstraints_sys(); + bool pointInsideRectAndMask(const QPoint &) const; + QWidget *childAt_helper(const QPoint &, bool) const; + QWidget *childAtRecursiveHelper(const QPoint &p, bool, bool includeFrame = false) const; + void updateGeometry_helper(bool forceUpdate); + + void getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const; + void setLayoutItemMargins(int left, int top, int right, int bottom); + void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = 0); + + // aboutToDestroy() is called just before the contents of + // QWidget::destroy() is executed. It's used to signal QWidget + // sub-classes that their internals are about to be released. + virtual void aboutToDestroy() {} + + QInputContext *assignedInputContext() const; + QInputContext *inputContext() const; + inline QWidget *effectiveFocusWidget() { + QWidget *w = q_func(); + while (w->focusProxy()) + w = w->focusProxy(); + return w; + } + + void setModal_sys(); + + // This is an helper function that return the available geometry for + // a widget and takes care is this one is in QGraphicsView. + // If the widget is not embed in a scene then the geometry available is + // null, we let QDesktopWidget decide for us. + static QRect screenGeometry(const QWidget *widget) + { + QRect screen; +#ifndef QT_NO_GRAPHICSVIEW + QGraphicsProxyWidget *ancestorProxy = widget->d_func()->nearestGraphicsProxyWidget(widget); + //It's embedded if it has an ancestor + if (ancestorProxy) { + if (!bypassGraphicsProxyWidget(widget) && ancestorProxy->scene() != 0) { + // One view, let be smart and return the viewport rect then the popup is aligned + if (ancestorProxy->scene()->views().size() == 1) { + QGraphicsView *view = ancestorProxy->scene()->views().at(0); + screen = view->mapToScene(view->viewport()->rect()).boundingRect().toRect(); + } else { + screen = ancestorProxy->scene()->sceneRect().toRect(); + } + } + } +#endif + return screen; + } + + 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; + } + + inline QRect effectiveRectFor(const QRect &rect) const + { +#ifndef QT_NO_GRAPHICSEFFECT + if (graphicsEffect && graphicsEffect->isEnabled()) + return graphicsEffect->boundingRectFor(rect).toAlignedRect(); +#endif //QT_NO_GRAPHICSEFFECT + return rect; + } + + QSize adjustedSize() const; + + inline void handleSoftwareInputPanel(Qt::MouseButton button, bool clickCausedFocus) + { + Q_Q(QWidget); + if (button == Qt::LeftButton && qApp->autoSipEnabled()) { + QStyle::RequestSoftwareInputPanel behavior = QStyle::RequestSoftwareInputPanel( + q->style()->styleHint(QStyle::SH_RequestSoftwareInputPanel)); + if (!clickCausedFocus || behavior == QStyle::RSIP_OnMouseClick) { + qApp->inputPanel()->show(); + } + } + } + +#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; + 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; + static QWidgetSet *allWidgets; +#if !defined(QT_NO_IM) + QPointer<QInputContext> ic; + Qt::InputMethodHints imHints; +#endif +#ifdef QT_KEYPAD_NAVIGATION + static QPointer<QWidget> editingWidget; +#endif + + // Implicit pointers (shared_null/shared_empty). + QRegion opaqueChildren; + QRegion dirty; +#ifndef QT_NO_TOOLTIP + QString toolTip; +#endif +#ifndef QT_NO_STATUSTIP + QString statusTip; +#endif +#ifndef QT_NO_WHATSTHIS + QString whatsThis; +#endif +#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 +#ifndef QT_NO_GESTURES + QMap<Qt::GestureType, Qt::GestureFlags> gestureContext; +#endif + + // Bit fields. + uint high_attributes[4]; // the low ones are in QWidget::widget_attributes + QPalette::ColorRole fg_role : 8; + QPalette::ColorRole bg_role : 8; + uint dirtyOpaqueChildren : 1; + uint isOpaque : 1; + uint inDirtyList : 1; + uint isScrolled : 1; + uint isMoved : 1; + uint isGLWidget : 1; + uint usesDoubleBufferedGLContext : 1; +#ifndef QT_NO_IM + uint inheritsInputMethodHints : 1; +#endif + uint inSetParent : 1; + + // *************************** 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; + void updateX11AcceptFocus(); + QPoint mapToGlobal(const QPoint &pos) const; + QPoint mapFromGlobal(const QPoint &pos) const; +#elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN + uint noPaintOnScreen : 1; // see qwidget_win.cpp ::paintEngine() +#ifndef QT_NO_GESTURES + uint nativeGesturePanEnabled : 1; +#endif + bool shouldShowMaximizeButton(); + void winUpdateIsOpaque(); + void reparentChildren(); +#ifndef QT_NO_DRAGANDDROP + QOleDropTarget *registerOleDnd(QWidget *widget); + void unregisterOleDnd(QWidget *widget, QOleDropTarget *target); +#endif + void grabMouseWhileInWindow(); + void registerTouchWindow(); + void winSetupGestures(); +#elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC + // This is new stuff + uint needWindowChange : 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 + // moves, and also to check for intersections with gl widgets within the window + // when a widget moves. + struct GlWidgetInfo + { + GlWidgetInfo(QWidget *widget) : widget(widget), lastUpdateWidget(0) { } + bool operator==(const GlWidgetInfo &other) const { return (widget == other.widget); } + QWidget * widget; + QWidget * lastUpdateWidget; + }; + + // 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; + + void macUpdateSizeAttribute(); + void macUpdateHideOnSuspend(); + void macUpdateOpaqueSizeGrip(); + void macUpdateIgnoreMouseEvents(); + void macUpdateMetalAttribute(); + void macUpdateIsOpaque(); + void macSetNeedsDisplay(QRegion region); + 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 setSubWindowStacking(bool set); + void setWindowLevel(); + void finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ windowRef); + void syncCocoaMask(); + void finishCocoaMaskSetup(); + void syncUnifiedMode(); + // Did we add the drawRectOriginal method? + bool drawRectOriginalAdded; + // Is the original drawRect method available? + bool originalDrawMethod; + // Do we need to change the methods? + bool changeMethods; + + // Unified toolbar variables + bool isInUnifiedToolbar; + QUnifiedToolbarSurface *unifiedSurface; + QPoint toolbar_offset; + QWidget *toolbar_ancestor; + bool flushRequested; + bool touchEventsEnabled; +#endif // QT_MAC_USE_COCOA + 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); + void registerTouchWindow(bool enable = true); +#elif defined(Q_WS_QPA) // <--------------------------------------------------------- QPA + void setMaxWindowState_helper(); + void setFullScreenSize_helper(); + bool stealKeyboardGrab(bool grab); + bool stealMouseGrab(bool grab); +#elif defined(Q_OS_SYMBIAN) // <--------------------------------------------------------- SYMBIAN + static QWidget *mouseGrabber; + static QWidget *keyboardGrabber; + int symbianScreenNumber; // only valid for desktop widget and top-levels + bool fixNativeOrientationCalled; + void s60UpdateIsOpaque(); + void reparentChildren(); + void registerTouchWindow(); +#endif + +}; + +struct QWidgetPaintContext +{ + inline QWidgetPaintContext(QPaintDevice *d, const QRegion &r, const QPoint &o, int f, + QPainter *p, QWidgetBackingStore *b) + : pdev(d), rgn(r), offset(o), flags(f), sharedPainter(p), backingStore(b), painter(0) {} + + QPaintDevice *pdev; + QRegion rgn; + QPoint offset; + int flags; + QPainter *sharedPainter; + QWidgetBackingStore *backingStore; + QPainter *painter; +}; + +#ifndef QT_NO_GRAPHICSEFFECT +class QWidgetEffectSourcePrivate : public QGraphicsEffectSourcePrivate +{ +public: + QWidgetEffectSourcePrivate(QWidget *widget) + : QGraphicsEffectSourcePrivate(), m_widget(widget), context(0), updateDueToGraphicsEffect(false) + {} + + inline void detach() + { m_widget->d_func()->graphicsEffect = 0; } + + inline const QGraphicsItem *graphicsItem() const + { return 0; } + + inline const QWidget *widget() const + { return m_widget; } + + inline void update() + { + updateDueToGraphicsEffect = true; + m_widget->update(); + updateDueToGraphicsEffect = false; + } + + inline bool isPixmap() const + { return false; } + + inline void effectBoundingRectChanged() + { + // ### This function should take a rect parameter; then we can avoid + // updating too much on the parent widget. + if (QWidget *parent = m_widget->parentWidget()) + parent->update(); + else + update(); + } + + inline const QStyleOption *styleOption() const + { return 0; } + + inline QRect deviceRect() const + { return m_widget->window()->rect(); } + + QRectF boundingRect(Qt::CoordinateSystem system) const; + void draw(QPainter *p); + QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset, + QGraphicsEffect::PixmapPadMode mode) const; + + QWidget *m_widget; + QWidgetPaintContext *context; + QTransform lastEffectTransform; + bool updateDueToGraphicsEffect; +}; +#endif //QT_NO_GRAPHICSEFFECT + +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; +} + +inline QPainter *QWidgetPrivate::sharedPainter() const +{ + Q_Q(const QWidget); + QTLWExtra *x = q->window()->d_func()->maybeTopData(); + return x ? x->sharedPainter : 0; +} + +inline void QWidgetPrivate::setSharedPainter(QPainter *painter) +{ + Q_Q(QWidget); + QTLWExtra *x = q->window()->d_func()->topData(); + x->sharedPainter = painter; +} + +inline bool QWidgetPrivate::pointInsideRectAndMask(const QPoint &p) const +{ + Q_Q(const QWidget); + return q->rect().contains(p) && (!extra || !extra->hasMask || q->testAttribute(Qt::WA_MouseNoMask) + || extra->mask.contains(p)); +} + +inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const +{ + Q_Q(const QWidget); + QTLWExtra *x = q->window()->d_func()->maybeTopData(); + return x ? x->backingStoreTracker.data() : 0; +} + +QT_END_NAMESPACE + +#endif // QWIDGET_P_H |