1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtGui module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
49 // This file is not part of the Qt API. It exists for the convenience
50 // of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header
51 // file may change from version to version without notice, or even be removed.
56 #include "QtWidgets/qwidget.h"
57 #include "private/qobject_p.h"
58 #include "QtCore/qrect.h"
59 #include "QtCore/qlocale.h"
60 #include "QtCore/qset.h"
61 #include "QtGui/qregion.h"
62 #include "QtGui/qinputmethod.h"
63 #include "QtWidgets/qsizepolicy.h"
64 #include "QtWidgets/qstyle.h"
65 #include "QtWidgets/qapplication.h"
66 #include <private/qgraphicseffect_p.h>
67 #include "QtWidgets/qgraphicsproxywidget.h"
68 #include "QtWidgets/qgraphicsscene.h"
69 #include "QtWidgets/qgraphicsview.h"
70 #include <private/qgesture_p.h>
75 // - to minimize memory usage for members that are seldom used.
76 // - top-level widgets have extra extra data to reduce cost further
80 class QWidgetBackingStore;
81 class QGraphicsProxyWidget;
86 class QUnifiedToolbarSurface;
88 // implemented in qshortcut.cpp
89 bool qWidgetShortcutContextMatcher(QObject *object, Qt::ShortcutContext context);
92 class Q_AUTOTEST_EXPORT QWidgetBackingStoreTracker
96 QWidgetBackingStoreTracker();
97 ~QWidgetBackingStoreTracker();
99 void create(QWidget *tlw);
102 void registerWidget(QWidget *w);
103 void unregisterWidget(QWidget *w);
104 void unregisterWidgetSubtree(QWidget *w);
106 inline QWidgetBackingStore* data()
111 inline QWidgetBackingStore* operator->()
116 inline QWidgetBackingStore& operator*()
121 inline operator bool() const
127 Q_DISABLE_COPY(QWidgetBackingStoreTracker)
130 QWidgetBackingStore* m_ptr;
131 QSet<QWidget *> m_widgets;
135 // *************************** Cross-platform variables *****************************
137 // Regular pointers (keep them together to avoid gaps on 64 bits architectures).
138 QIcon *icon; // widget icon
140 QWidgetBackingStoreTracker backingStoreTracker;
141 QBackingStore *backingStore;
142 QPainter *sharedPainter;
144 // Implicit pointers (shared_null).
145 QString caption; // widget caption
146 QString iconText; // widget icon text
147 QString role; // widget role
148 QString filePath; // widget file path
151 short incw, inch; // size increments
152 short basew, baseh; // base sizes
153 // frame strut, don't use these directly, use QWidgetPrivate::frameStrut() instead.
155 QRect normalGeometry; // used by showMin/maximized/FullScreen
156 Qt::WindowFlags savedFlags; // Save widget flags while showing fullscreen
158 // *************************** Cross-platform bit fields ****************************
160 uint posIncludesFrame : 1;
161 uint sizeAdjusted : 1;
162 uint inTopLevelResize : 1;
166 // *************************** Platform specific values (bit fields first) **********
167 #if defined(Q_WS_X11) // <----------------------------------------------------------- X11
168 uint spont_unmapped: 1; // window was spontaneously unmapped
169 uint dnd : 1; // DND properties installed
170 uint validWMState : 1; // is WM_STATE valid?
171 uint waitingForMapNotify : 1; // show() has been called, haven't got the MapNotify yet
172 WId parentWinId; // parent window Id (valid after reparenting)
173 WId userTimeWindow; // window id that contains user-time timestamp when WM supports a _NET_WM_USER_TIME_WINDOW atom
174 QPoint fullScreenOffset;
176 WId syncUpdateCounter;
177 ulong syncRequestTimestamp;
178 qint32 newCounterValueHi;
179 quint32 newCounterValueLo;
181 #elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN
182 uint hotkeyRegistered: 1; // Hot key from the STARTUPINFO has been registered.
183 HICON winIconBig; // internal big Windows icon
184 HICON winIconSmall; // internal small Windows icon
185 #elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC
187 uint isSetGeometry : 1;
191 WindowGroupRef group;
192 IconRef windowIcon; // the current window icon, if set with setWindowIcon_sys.
193 quint32 savedWindowAttributesFromMaximized; // Saved attributes from when the calling updateMaximizeButton_sys()
194 // This value is just to make sure we maximize and restore to the right location, yet we allow apps to be maximized and
196 // The name is misleading, since this is set when maximizing the window. It is a hint to saveGeometry(..) to record the
197 // starting position as 0,0 instead of the normal starting position.
200 QWidgetWindow *window;
201 quint32 screenIndex; // index in qplatformscreenlist
205 // *************************** Cross-platform variables *****************************
207 // Regular pointers (keep them together to avoid gaps on 64 bits architectures).
208 void *glContext; // if the widget is hijacked by QGLWindowSurface
209 QTLWExtra *topextra; // only useful for TLWs
210 #ifndef QT_NO_GRAPHICSVIEW
211 QGraphicsProxyWidget *proxyWidget; // if the widget is embedded
216 QPointer<QStyle> style;
217 QPointer<QWidget> focus_proxy;
219 // Implicit pointers (shared_empty/shared_null).
220 QRegion mask; // widget mask
225 qint32 minh; // minimum size
227 qint32 maxh; // maximum size
230 QSize staticContentsSize;
232 // *************************** Cross-platform bit fields ****************************
233 uint explicitMinSize : 2;
234 uint explicitMaxSize : 2;
235 uint autoFillBackground : 1;
236 uint nativeChildrenForced : 1;
237 uint inRenderWithPainter : 1;
240 // *************************** Platform specific values (bit fields first) **********
241 #if defined(Q_WS_WIN) // <----------------------------------------------------------- WIN
242 #ifndef QT_NO_DRAGANDDROP
243 QOleDropTarget *dropTarget; // drop target
244 QList<QPointer<QWidget> > oleDropWidgets;
246 #elif defined(Q_WS_X11) // <--------------------------------------------------------- X11
247 uint compress_events : 1;
248 WId xDndProxy; // XDND forwarding to embedded windows
249 #elif defined(Q_WS_MAC) // <------------------------------------------------------ MAC
252 CGImageRef imageMask;
259 Returns true if \a p or any of its parents enable the
260 Qt::BypassGraphicsProxyWidget window flag. Used in QWidget::show() and
261 QWidget::setParent() to determine whether it's necessary to embed the
262 widget into a QGraphicsProxyWidget or not.
264 static inline bool bypassGraphicsProxyWidget(const QWidget *p)
267 if (p->windowFlags() & Qt::BypassGraphicsProxyWidget)
269 p = p->parentWidget();
274 class Q_WIDGETS_EXPORT QWidgetPrivate : public QObjectPrivate
276 Q_DECLARE_PUBLIC(QWidget)
279 // *************************** Cross-platform ***************************************
280 enum DrawWidgetFlags {
282 DrawPaintOnScreen = 0x02,
283 DrawRecursive = 0x04,
284 DrawInvisible = 0x08,
285 DontSubtractOpaqueChildren = 0x10,
286 DontDrawOpaqueChildren = 0x20,
287 DontDrawNativeChildren = 0x40,
288 DontSetCompositionMode = 0x80
294 CloseWithSpontaneousEvent
298 DirectionNorth = 0x01,
299 DirectionEast = 0x10,
300 DirectionSouth = 0x02,
305 explicit QWidgetPrivate(int version = QObjectPrivateVersion);
308 QWExtra *extraData() const;
309 QTLWExtra *topData() const;
310 QTLWExtra *maybeTopData() const;
311 QPainter *sharedPainter() const;
312 void setSharedPainter(QPainter *painter);
313 QWidgetBackingStore *maybeBackingStore() const;
314 void init(QWidget *desktopWidget, Qt::WindowFlags f);
315 void create_sys(WId window, bool initializeWindow, bool destroyOldWindow);
316 void createRecursively();
317 void createWinId(WId id = 0);
319 void createTLExtra();
322 void createSysExtra();
323 void deleteSysExtra();
324 void createTLSysExtra();
325 void deleteTLSysExtra();
326 void updateSystemBackground();
327 void propagatePaletteChange();
329 void setPalette_helper(const QPalette &);
330 void resolvePalette();
331 QPalette naturalWidgetPalette(uint inheritedMask) const;
333 void setMask_sys(const QRegion &);
337 void stackUnder_sys(QWidget *);
340 void updateFocusChild();
342 void updateFont(const QFont &);
343 inline void setFont_helper(const QFont &font) {
344 if (data.fnt == font && data.fnt.resolve() == font.resolve())
349 QFont naturalWidgetFont(uint inheritedMask) const;
351 void setLayoutDirection_helper(Qt::LayoutDirection);
352 void resolveLayoutDirection();
354 void setLocale_helper(const QLocale &l, bool forceUpdate = false);
355 void resolveLocale();
357 void setStyle_helper(QStyle *newStyle, bool propagate, bool metalHack = false);
360 void setUpdatesEnabled_helper(bool );
362 void paintBackground(QPainter *, const QRegion &, int flags = DrawAsRoot) const;
363 bool isAboutToShow() const;
364 QRegion prepareToRender(const QRegion ®ion, QWidget::RenderFlags renderFlags);
365 void render_helper(QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion,
366 QWidget::RenderFlags renderFlags);
367 void render(QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion,
368 QWidget::RenderFlags renderFlags, bool readyToRender);
369 void drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QPoint &offset, int flags,
370 QPainter *sharedPainter = 0, QWidgetBackingStore *backingStore = 0);
373 void paintSiblingsRecursive(QPaintDevice *pdev, const QObjectList& children, int index,
374 const QRegion &rgn, const QPoint &offset, int flags,
375 QPainter *sharedPainter, QWidgetBackingStore *backingStore);
378 QPainter *beginSharedPainter();
379 bool endSharedPainter();
380 #ifndef QT_NO_GRAPHICSVIEW
381 static QGraphicsProxyWidget * nearestGraphicsProxyWidget(const QWidget *origin);
383 void repaint_sys(const QRegion &rgn);
385 QRect clipRect() const;
386 QRegion clipRegion() const;
387 void subtractOpaqueChildren(QRegion &rgn, const QRect &clipRect) const;
388 void subtractOpaqueSiblings(QRegion &source, bool *hasDirtySiblingsAbove = 0,
389 bool alsoNonOpaque = false) const;
390 void clipToEffectiveMask(QRegion ®ion) const;
391 void updateIsOpaque();
392 void setOpaque(bool opaque);
393 void updateIsTranslucent();
394 bool paintOnScreen() const;
395 #ifndef QT_NO_GRAPHICSEFFECT
396 void invalidateGraphicsEffectsRecursively();
397 #endif //QT_NO_GRAPHICSEFFECT
399 const QRegion &getOpaqueChildren() const;
400 void setDirtyOpaqueRegion();
402 bool close_helper(CloseMode mode);
404 void setWindowIcon_helper();
405 void setWindowIcon_sys(bool forceReset = false);
406 void setWindowOpacity_sys(qreal opacity);
407 void adjustQuitOnCloseAttribute();
409 void scrollChildren(int dx, int dy);
410 void moveRect(const QRect &, int dx, int dy);
411 void scrollRect(const QRect &, int dx, int dy);
412 void invalidateBuffer_resizeHelper(const QPoint &oldPos, const QSize &oldSize);
413 // ### Qt 4.6: Merge into a template function (after MSVC isn't supported anymore).
414 void invalidateBuffer(const QRegion &);
415 void invalidateBuffer(const QRect &);
416 bool isOverlapped(const QRect&) const;
417 void syncBackingStore();
418 void syncBackingStore(const QRegion ®ion);
420 // tells the input method about the widgets transform
421 void updateWidgetTransform();
423 void reparentFocusWidgets(QWidget *oldtlw);
425 static int pointToRect(const QPoint &p, const QRect &r);
428 void showChildren(bool spontaneous);
429 void hideChildren(bool spontaneous);
430 void setParent_sys(QWidget *parent, Qt::WindowFlags);
431 void scroll_sys(int dx, int dy);
432 void scroll_sys(int dx, int dy, const QRect &r);
433 void deactivateWidgetCleanup();
434 void setGeometry_sys(int, int, int, int, bool);
435 void fixPosIncludesFrame();
436 void sendPendingMoveAndResizeEvents(bool recursive = false, bool disableUpdates = false);
437 void activateChildLayoutsRecursively();
438 void show_recursive();
443 void _q_showIfNotHidden();
445 void setEnabled_helper(bool);
446 void registerDropSite(bool);
447 static void adjustFlags(Qt::WindowFlags &flags, QWidget *w = 0);
449 void updateFrameStrut();
450 QRect frameStrut() const;
452 #ifdef QT_KEYPAD_NAVIGATION
453 static bool navigateToDirection(Direction direction);
454 static QWidget *widgetInNavigationDirection(Direction direction);
455 static bool canKeypadNavigate(Qt::Orientation orientation);
456 static bool inTabWidget(QWidget *widget);
459 void setWindowIconText_sys(const QString &cap);
460 void setWindowIconText_helper(const QString &cap);
461 void setWindowTitle_sys(const QString &cap);
464 void setCursor_sys(const QCursor &cursor);
465 void unsetCursor_sys();
468 void setWindowTitle_helper(const QString &cap);
469 void setWindowFilePath_helper(const QString &filePath);
470 void setWindowModified_helper();
472 bool setMinimumSize_helper(int &minw, int &minh);
473 bool setMaximumSize_helper(int &maxw, int &maxh);
474 void setConstraints_sys();
475 bool pointInsideRectAndMask(const QPoint &) const;
476 QWidget *childAt_helper(const QPoint &, bool) const;
477 QWidget *childAtRecursiveHelper(const QPoint &p, bool, bool includeFrame = false) const;
478 void updateGeometry_helper(bool forceUpdate);
480 void getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const;
481 void setLayoutItemMargins(int left, int top, int right, int bottom);
482 void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = 0);
484 // aboutToDestroy() is called just before the contents of
485 // QWidget::destroy() is executed. It's used to signal QWidget
486 // sub-classes that their internals are about to be released.
487 virtual void aboutToDestroy() {}
489 inline QWidget *effectiveFocusWidget() {
490 QWidget *w = q_func();
491 while (w->focusProxy())
498 // This is an helper function that return the available geometry for
499 // a widget and takes care is this one is in QGraphicsView.
500 // If the widget is not embed in a scene then the geometry available is
501 // null, we let QDesktopWidget decide for us.
502 static QRect screenGeometry(const QWidget *widget)
505 #ifndef QT_NO_GRAPHICSVIEW
506 QGraphicsProxyWidget *ancestorProxy = widget->d_func()->nearestGraphicsProxyWidget(widget);
507 //It's embedded if it has an ancestor
509 if (!bypassGraphicsProxyWidget(widget) && ancestorProxy->scene() != 0) {
510 // One view, let be smart and return the viewport rect then the popup is aligned
511 if (ancestorProxy->scene()->views().size() == 1) {
512 QGraphicsView *view = ancestorProxy->scene()->views().at(0);
513 screen = view->mapToScene(view->viewport()->rect()).boundingRect().toRect();
515 screen = ancestorProxy->scene()->sceneRect().toRect();
523 inline void setRedirected(QPaintDevice *replacement, const QPoint &offset)
525 Q_ASSERT(q_func()->testAttribute(Qt::WA_WState_InPaintEvent));
526 redirectDev = replacement;
527 redirectOffset = offset;
530 inline QPaintDevice *redirected(QPoint *offset) const
533 *offset = redirectDev ? redirectOffset : QPoint();
537 inline void restoreRedirected()
540 inline void enforceNativeChildren()
545 if (extra->nativeChildrenForced)
547 extra->nativeChildrenForced = 1;
549 for (int i = 0; i < children.size(); ++i) {
550 if (QWidget *child = qobject_cast<QWidget *>(children.at(i)))
551 child->setAttribute(Qt::WA_NativeWindow);
555 inline bool nativeChildrenForced() const
557 return extra ? extra->nativeChildrenForced : false;
560 inline QRect effectiveRectFor(const QRect &rect) const
562 #ifndef QT_NO_GRAPHICSEFFECT
563 if (graphicsEffect && graphicsEffect->isEnabled())
564 return graphicsEffect->boundingRectFor(rect).toAlignedRect();
565 #endif //QT_NO_GRAPHICSEFFECT
569 QSize adjustedSize() const;
571 inline void handleSoftwareInputPanel(Qt::MouseButton button, bool clickCausedFocus)
574 if (button == Qt::LeftButton && qApp->autoSipEnabled()) {
575 QStyle::RequestSoftwareInputPanel behavior = QStyle::RequestSoftwareInputPanel(
576 q->style()->styleHint(QStyle::SH_RequestSoftwareInputPanel));
577 if (!clickCausedFocus || behavior == QStyle::RSIP_OnMouseClick) {
578 qApp->inputMethod()->show();
583 void setWSGeometry(bool dontShow=false, const QRect &oldRect = QRect());
585 inline QPoint mapToWS(const QPoint &p) const
586 { return p - data.wrect.topLeft(); }
588 inline QPoint mapFromWS(const QPoint &p) const
589 { return p + data.wrect.topLeft(); }
591 inline QRect mapToWS(const QRect &r) const
592 { QRect rr(r); rr.translate(-data.wrect.topLeft()); return rr; }
594 inline QRect mapFromWS(const QRect &r) const
595 { QRect rr(r); rr.translate(data.wrect.topLeft()); return rr; }
598 // Regular pointers (keep them together to avoid gaps on 64 bit architectures).
602 QWidget *focus_child;
605 QPaintDevice *redirectDev;
606 QWidgetItemV2 *widgetItem;
607 QPaintEngine *extraPaintEngine;
608 mutable const QMetaObject *polished;
609 QGraphicsEffect *graphicsEffect;
610 // All widgets are added into the allWidgets set. Once
611 // they receive a window id they are also added to the mapper.
612 // This should just ensure that all widgets are deleted by QApplication
613 static QWidgetMapper *mapper;
614 static QWidgetSet *allWidgets;
615 #if !defined(QT_NO_IM)
616 Qt::InputMethodHints imHints;
618 #ifdef QT_KEYPAD_NAVIGATION
619 static QPointer<QWidget> editingWidget;
622 // Implicit pointers (shared_null/shared_empty).
623 QRegion opaqueChildren;
625 #ifndef QT_NO_TOOLTIP
628 #ifndef QT_NO_STATUSTIP
631 #ifndef QT_NO_WHATSTHIS
634 #ifndef QT_NO_ACCESSIBILITY
635 QString accessibleName;
636 QString accessibleDescription;
640 uint inheritedFontResolveMask;
641 uint inheritedPaletteResolveMask;
646 signed char leftLayoutItemMargin;
647 signed char topLayoutItemMargin;
648 signed char rightLayoutItemMargin;
649 signed char bottomLayoutItemMargin;
650 static int instanceCounter; // Current number of widget instances
651 static int maxInstances; // Maximum number of widget instances
654 QSizePolicy size_policy;
656 QPoint redirectOffset;
658 QList<QAction*> actions;
660 #ifndef QT_NO_GESTURES
661 QMap<Qt::GestureType, Qt::GestureFlags> gestureContext;
665 uint high_attributes[4]; // the low ones are in QWidget::widget_attributes
666 QPalette::ColorRole fg_role : 8;
667 QPalette::ColorRole bg_role : 8;
668 uint dirtyOpaqueChildren : 1;
670 uint inDirtyList : 1;
674 uint usesDoubleBufferedGLContext : 1;
676 uint inheritsInputMethodHints : 1;
678 uint inSetParent : 1;
680 // *************************** Platform specific ************************************
681 #if defined(Q_WS_X11) // <----------------------------------------------------------- X11
683 static QWidget *mouseGrabber;
684 static QWidget *keyboardGrabber;
686 void setWindowRole();
687 void sendStartupMessage(const char *message) const;
688 void setNetWmWindowTypes();
689 void x11UpdateIsOpaque();
690 bool isBackgroundInherited() const;
691 void updateX11AcceptFocus();
692 QPoint mapToGlobal(const QPoint &pos) const;
693 QPoint mapFromGlobal(const QPoint &pos) const;
694 #elif defined(Q_WS_WIN) // <--------------------------------------------------------- WIN
695 uint noPaintOnScreen : 1; // see qwidget_win.cpp ::paintEngine()
696 #ifndef QT_NO_GESTURES
697 uint nativeGesturePanEnabled : 1;
699 bool shouldShowMaximizeButton();
700 void winUpdateIsOpaque();
701 void reparentChildren();
702 #ifndef QT_NO_DRAGANDDROP
703 QOleDropTarget *registerOleDnd(QWidget *widget);
704 void unregisterOleDnd(QWidget *widget, QOleDropTarget *target);
706 void grabMouseWhileInWindow();
707 void registerTouchWindow();
708 void winSetupGestures();
709 #elif defined(Q_WS_MAC) // <--------------------------------------------------------- MAC
711 uint needWindowChange : 1;
713 // Each wiget keeps a list of all its child and grandchild OpenGL widgets.
714 // This list is used to update the gl context whenever a parent and a granparent
715 // moves, and also to check for intersections with gl widgets within the window
716 // when a widget moves.
719 GlWidgetInfo(QWidget *widget) : widget(widget), lastUpdateWidget(0) { }
720 bool operator==(const GlWidgetInfo &other) const { return (widget == other.widget); }
722 QWidget * lastUpdateWidget;
725 // dirtyOnWidget contains the areas in the widget that needs to be repained,
726 // in the same way as dirtyOnScreen does for the window. Areas are added in
727 // dirtyWidget_sys and cleared in the paint event. In scroll_sys we then use
728 // this information repaint invalid areas when widgets are scrolled.
729 QRegion dirtyOnWidget;
730 EventHandlerRef window_event;
731 QList<GlWidgetInfo> glWidgets;
733 //these are here just for code compat (HIViews)
736 void macUpdateSizeAttribute();
737 void macUpdateHideOnSuspend();
738 void macUpdateOpaqueSizeGrip();
739 void macUpdateIgnoreMouseEvents();
740 void macUpdateMetalAttribute();
741 void macUpdateIsOpaque();
742 void macSetNeedsDisplay(QRegion region);
743 void setEnabled_helper_sys(bool enable);
744 bool isRealWindow() const;
745 void adjustWithinMaxAndMinSize(int &w, int &h);
746 void applyMaxAndMinSizeOnWindow();
747 void update_sys(const QRect &rect);
748 void update_sys(const QRegion &rgn);
749 void setGeometry_sys_helper(int, int, int, int, bool);
750 void updateMaximizeButton_sys();
751 void setWindowFilePath_sys(const QString &filePath);
752 void createWindow_sys();
753 void recreateMacWindow();
754 void setSubWindowStacking(bool set);
755 void setWindowLevel();
756 void finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ windowRef);
757 void syncCocoaMask();
758 void finishCocoaMaskSetup();
759 void syncUnifiedMode();
760 // Did we add the drawRectOriginal method?
761 bool drawRectOriginalAdded;
762 // Is the original drawRect method available?
763 bool originalDrawMethod;
764 // Do we need to change the methods?
767 // Unified toolbar variables
768 bool isInUnifiedToolbar;
769 QUnifiedToolbarSurface *unifiedSurface;
770 QPoint toolbar_offset;
771 QWidget *toolbar_ancestor;
773 bool touchEventsEnabled;
774 void determineWindowClass();
775 void transferChildren();
776 bool qt_mac_dnd_event(uint, DragRef);
777 void toggleDrawers(bool);
778 //mac event functions
779 static bool qt_create_root_win();
780 static void qt_clean_root_win();
781 static bool qt_mac_update_sizer(QWidget *, int up = 0);
782 static OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *);
783 static OSStatus qt_widget_event(EventHandlerCallRef er, EventRef event, void *);
784 static bool qt_widget_rgn(QWidget *, short, RgnHandle, bool);
785 void registerTouchWindow(bool enable = true);
787 void setMaxWindowState_helper();
788 void setFullScreenSize_helper();
789 bool stealKeyboardGrab(bool grab);
790 bool stealMouseGrab(bool grab);
793 struct QWidgetPaintContext
795 inline QWidgetPaintContext(QPaintDevice *d, const QRegion &r, const QPoint &o, int f,
796 QPainter *p, QWidgetBackingStore *b)
797 : pdev(d), rgn(r), offset(o), flags(f), sharedPainter(p), backingStore(b), painter(0) {}
803 QPainter *sharedPainter;
804 QWidgetBackingStore *backingStore;
808 #ifndef QT_NO_GRAPHICSEFFECT
809 class QWidgetEffectSourcePrivate : public QGraphicsEffectSourcePrivate
812 QWidgetEffectSourcePrivate(QWidget *widget)
813 : QGraphicsEffectSourcePrivate(), m_widget(widget), context(0), updateDueToGraphicsEffect(false)
817 { m_widget->d_func()->graphicsEffect = 0; }
819 inline const QGraphicsItem *graphicsItem() const
822 inline const QWidget *widget() const
827 updateDueToGraphicsEffect = true;
829 updateDueToGraphicsEffect = false;
832 inline bool isPixmap() const
835 inline void effectBoundingRectChanged()
837 // ### This function should take a rect parameter; then we can avoid
838 // updating too much on the parent widget.
839 if (QWidget *parent = m_widget->parentWidget())
845 inline const QStyleOption *styleOption() const
848 inline QRect deviceRect() const
849 { return m_widget->window()->rect(); }
851 QRectF boundingRect(Qt::CoordinateSystem system) const;
852 void draw(QPainter *p);
853 QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset,
854 QGraphicsEffect::PixmapPadMode mode) const;
857 QWidgetPaintContext *context;
858 QTransform lastEffectTransform;
859 bool updateDueToGraphicsEffect;
861 #endif //QT_NO_GRAPHICSEFFECT
863 inline QWExtra *QWidgetPrivate::extraData() const
868 inline QTLWExtra *QWidgetPrivate::topData() const
870 const_cast<QWidgetPrivate *>(this)->createTLExtra();
871 return extra->topextra;
874 inline QTLWExtra *QWidgetPrivate::maybeTopData() const
876 return extra ? extra->topextra : 0;
879 inline QPainter *QWidgetPrivate::sharedPainter() const
882 QTLWExtra *x = q->window()->d_func()->maybeTopData();
883 return x ? x->sharedPainter : 0;
886 inline void QWidgetPrivate::setSharedPainter(QPainter *painter)
889 QTLWExtra *x = q->window()->d_func()->topData();
890 x->sharedPainter = painter;
893 inline bool QWidgetPrivate::pointInsideRectAndMask(const QPoint &p) const
896 return q->rect().contains(p) && (!extra || !extra->hasMask || q->testAttribute(Qt::WA_MouseNoMask)
897 || extra->mask.contains(p));
900 inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const
903 QTLWExtra *x = q->window()->d_func()->maybeTopData();
904 return x ? x->backingStoreTracker.data() : 0;
909 #endif // QWIDGET_P_H