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-rw-r--r--src/gui/kernel/qwidget.cpp254
1 files changed, 166 insertions, 88 deletions
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 5078ba4a44..1df73c20a3 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -67,6 +67,7 @@
# include "qt_mac_p.h"
# include "qt_cocoa_helpers_mac_p.h"
# include "qmainwindow.h"
+# include "qtoolbar.h"
#endif
#if defined(Q_WS_QWS)
# include "qwsdisplay_qws.h"
@@ -164,6 +165,51 @@ static inline bool hasBackingStoreSupport()
extern bool qt_sendSpontaneousEvent(QObject*, QEvent*); // qapplication.cpp
extern QDesktopWidget *qt_desktopWidget; // qapplication.cpp
+
+QRefCountedWidgetBackingStore::QRefCountedWidgetBackingStore()
+ : m_ptr(0)
+ , m_count(0)
+{
+
+}
+
+QRefCountedWidgetBackingStore::~QRefCountedWidgetBackingStore()
+{
+ delete m_ptr;
+}
+
+void QRefCountedWidgetBackingStore::create(QWidget *widget)
+{
+ destroy();
+ m_ptr = new QWidgetBackingStore(widget);
+ m_count = 0;
+}
+
+void QRefCountedWidgetBackingStore::destroy()
+{
+ delete m_ptr;
+ m_ptr = 0;
+ m_count = 0;
+}
+
+void QRefCountedWidgetBackingStore::ref()
+{
+ Q_ASSERT(m_ptr);
+ ++m_count;
+}
+
+void QRefCountedWidgetBackingStore::deref()
+{
+ if (m_count) {
+ Q_ASSERT(m_ptr);
+ if (0 == --m_count) {
+ delete m_ptr;
+ m_ptr = 0;
+ }
+ }
+}
+
+
QWidgetPrivate::QWidgetPrivate(int version)
: QObjectPrivate(version)
, extra(0)
@@ -205,7 +251,9 @@ QWidgetPrivate::QWidgetPrivate(int version)
, picture(0)
#elif defined(Q_WS_WIN)
, noPaintOnScreen(0)
+ #ifndef QT_NO_GESTURES
, nativeGesturePanEnabled(0)
+ #endif
#elif defined(Q_WS_MAC)
, needWindowChange(0)
, hasAlienChildren(0)
@@ -253,9 +301,14 @@ QWidgetPrivate::~QWidgetPrivate()
QWindowSurface *QWidgetPrivate::createDefaultWindowSurface()
{
Q_Q(QWidget);
+
+ QWindowSurface *surface;
if (QApplicationPrivate::graphicsSystem())
- return QApplicationPrivate::graphicsSystem()->createWindowSurface(q);
- return createDefaultWindowSurface_sys();
+ surface = QApplicationPrivate::graphicsSystem()->createWindowSurface(q);
+ else
+ surface = createDefaultWindowSurface_sys();
+
+ return surface;
}
/*!
@@ -317,6 +370,8 @@ QInputContext *QWidget::inputContext()
This function sets the input context \a context
on this widget.
+ Qt takes ownership of the given input \a context.
+
\sa inputContext()
*/
void QWidget::setInputContext(QInputContext *context)
@@ -325,9 +380,13 @@ void QWidget::setInputContext(QInputContext *context)
if (!testAttribute(Qt::WA_InputMethodEnabled))
return;
#ifndef QT_NO_IM
+ if (context == d->ic)
+ return;
if (d->ic)
delete d->ic;
d->ic = context;
+ if (d->ic)
+ d->ic->setParent(this);
#endif
}
@@ -675,8 +734,8 @@ void QWidget::setAutoFillBackground(bool enabled)
(to move the keyboard focus), and passes on most of the other events to
one of the more specialized handlers above.
- Events and the mechanism used to deliver them are covered in the
- \l{Events and Event Filters} document.
+ Events and the mechanism used to deliver them are covered in
+ \l{The Event System}.
\section1 Groups of Functions and Properties
@@ -1015,7 +1074,6 @@ struct QWidgetExceptionCleaner
\sa windowFlags
*/
-
QWidget::QWidget(QWidget *parent, Qt::WindowFlags f)
: QObject(*new QWidgetPrivate, 0), QPaintDevice()
{
@@ -1350,11 +1408,9 @@ void QWidget::create(WId window, bool initializeWindow, bool destroyOldWindow)
// a real toplevel window needs a backing store
if (isWindow() && windowType() != Qt::Desktop) {
- delete d->topData()->backingStore;
- // QWidgetBackingStore will check this variable, hence it must be 0
- d->topData()->backingStore = 0;
+ d->topData()->backingStore.destroy();
if (hasBackingStoreSupport())
- d->topData()->backingStore = new QWidgetBackingStore(this);
+ d->topData()->backingStore.create(this);
}
d->setModal_sys();
@@ -1399,6 +1455,11 @@ QWidget::~QWidget()
qWarning("QWidget: %s (%s) deleted while being painted", className(), name());
#endif
+#ifndef QT_NO_GESTURES
+ foreach (Qt::GestureType type, d->gestureContext.keys())
+ ungrabGesture(type);
+#endif
+
// force acceptDrops false before winId is destroyed.
d->registerDropSite(false);
@@ -1477,8 +1538,7 @@ QWidget::~QWidget()
// the backing store will delete its window surface, which may or may
// not have a reference to this widget that will be used later to
// notify the window it no longer has a surface.
- delete d->extra->topextra->backingStore;
- d->extra->topextra->backingStore = 0;
+ d->extra->topextra->backingStore.destroy();
}
#endif
if (QWidgetBackingStore *bs = d->maybeBackingStore()) {
@@ -1575,7 +1635,6 @@ void QWidgetPrivate::createTLExtra()
QTLWExtra* x = extra->topextra = new QTLWExtra;
x->icon = 0;
x->iconPixmap = 0;
- x->backingStore = 0;
x->windowSurface = 0;
x->sharedPainter = 0;
x->incw = x->inch = 0;
@@ -1589,6 +1648,11 @@ void QWidgetPrivate::createTLExtra()
x->inTopLevelResize = false;
x->inRepaint = false;
x->embedded = 0;
+#ifdef Q_WS_MAC
+#ifdef QT_MAC_USE_COCOA
+ x->wasMaximized = false;
+#endif // QT_MAC_USE_COCOA
+#endif // Q_WS_MAC
createTLSysExtra();
#ifdef QWIDGET_EXTRA_DEBUG
static int count = 0;
@@ -1657,7 +1721,7 @@ void QWidgetPrivate::deleteExtra()
#endif
if (extra->topextra) {
deleteTLSysExtra();
- delete extra->topextra->backingStore;
+ extra->topextra->backingStore.destroy();
delete extra->topextra->icon;
delete extra->topextra->iconPixmap;
#if defined(Q_WS_QWS) && !defined(QT_NO_QWS_MANAGER)
@@ -2549,7 +2613,7 @@ void QWidgetPrivate::setStyle_helper(QStyle *newStyle, bool propagate, bool
Q_Q(QWidget);
QStyle *oldStyle = q->style();
#ifndef QT_NO_STYLE_STYLESHEET
- QStyle *origStyle = 0;
+ QWeakPointer<QStyle> origStyle;
#endif
#ifdef Q_WS_MAC
@@ -2563,7 +2627,7 @@ void QWidgetPrivate::setStyle_helper(QStyle *newStyle, bool propagate, bool
createExtra();
#ifndef QT_NO_STYLE_STYLESHEET
- origStyle = extra->style;
+ origStyle = extra->style.data();
#endif
extra->style = newStyle;
}
@@ -2592,23 +2656,23 @@ void QWidgetPrivate::setStyle_helper(QStyle *newStyle, bool propagate, bool
}
}
- QEvent e(QEvent::StyleChange);
- QApplication::sendEvent(q, &e);
-#ifdef QT3_SUPPORT
- q->styleChange(*oldStyle);
-#endif
-
#ifndef QT_NO_STYLE_STYLESHEET
if (!qobject_cast<QStyleSheetStyle*>(newStyle)) {
- if (const QStyleSheetStyle* cssStyle = qobject_cast<QStyleSheetStyle*>(origStyle)) {
+ if (const QStyleSheetStyle* cssStyle = qobject_cast<QStyleSheetStyle*>(origStyle.data())) {
cssStyle->clearWidgetFont(q);
}
}
#endif
+ QEvent e(QEvent::StyleChange);
+ QApplication::sendEvent(q, &e);
+#ifdef QT3_SUPPORT
+ q->styleChange(*oldStyle);
+#endif
+
#ifndef QT_NO_STYLE_STYLESHEET
// dereference the old stylesheet style
- if (QStyleSheetStyle *proxy = qobject_cast<QStyleSheetStyle *>(origStyle))
+ if (QStyleSheetStyle *proxy = qobject_cast<QStyleSheetStyle *>(origStyle.data()))
proxy->deref();
#endif
}
@@ -4780,6 +4844,11 @@ void QWidget::setLayoutDirection(Qt::LayoutDirection direction)
{
Q_D(QWidget);
+ if (direction == Qt::LayoutDirectionAuto) {
+ unsetLayoutDirection();
+ return;
+ }
+
setAttribute(Qt::WA_SetLayoutDirection);
d->setLayoutDirection_helper(direction);
}
@@ -5597,52 +5666,23 @@ QPixmap QWidgetEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QPoint *
pixmapOffset = painterTransform.map(pixmapOffset);
}
-
QRect effectRect;
- if (mode == QGraphicsEffect::PadToEffectiveBoundingRect) {
+ if (mode == QGraphicsEffect::PadToEffectiveBoundingRect)
effectRect = m_widget->graphicsEffect()->boundingRectFor(sourceRect).toAlignedRect();
-
- } else if (mode == QGraphicsEffect::PadToTransparentBorder) {
+ else if (mode == QGraphicsEffect::PadToTransparentBorder)
effectRect = sourceRect.adjusted(-1, -1, 1, 1).toAlignedRect();
-
- } else {
+ else
effectRect = sourceRect.toAlignedRect();
- }
-
if (offset)
*offset = effectRect.topLeft();
- if (deviceCoordinates) {
- // Clip to device rect.
- int left, top, right, bottom;
- effectRect.getCoords(&left, &top, &right, &bottom);
- if (left < 0) {
- if (offset)
- offset->rx() += -left;
- effectRect.setX(0);
- }
- if (top < 0) {
- if (offset)
- offset->ry() += -top;
- effectRect.setY(0);
- }
- // NB! We use +-1 for historical reasons (see QRect documentation).
- QPaintDevice *device = context->painter->device();
- const int deviceWidth = device->width();
- const int deviceHeight = device->height();
- if (right + 1 > deviceWidth)
- effectRect.setRight(deviceWidth - 1);
- if (bottom + 1 > deviceHeight)
- effectRect.setBottom(deviceHeight -1);
- }
-
pixmapOffset -= effectRect.topLeft();
QPixmap pixmap(effectRect.size());
pixmap.fill(Qt::transparent);
- m_widget->render(&pixmap, pixmapOffset);
+ m_widget->render(&pixmap, pixmapOffset, QRegion(), QWidget::DrawChildren);
return pixmap;
}
#endif //QT_NO_GRAPHICSEFFECT
@@ -6246,6 +6286,12 @@ void QWidget::setFocus(Qt::FocusReason reason)
QApplication::sendEvent(that->style(), &event);
}
if (!isHidden()) {
+#ifndef QT_NO_GRAPHICSVIEW
+ // Update proxy state
+ if (QWExtra *topData = window()->d_func()->extra)
+ if (topData->proxyWidget && topData->proxyWidget->hasFocus())
+ topData->proxyWidget->d_func()->updateProxyInputMethodAcceptanceFromWidget();
+#endif
// Send event to self
QFocusEvent event(QEvent::FocusIn, reason);
QPointer<QWidget> that = f;
@@ -6754,6 +6800,18 @@ void QWidget::setGeometry(const QRect &r)
*/
QByteArray QWidget::saveGeometry() const
{
+#ifdef QT_MAC_USE_COCOA
+ // We check if the window was maximized during this invocation. If so, we need to record the
+ // starting position as 0,0.
+ Q_D(const QWidget);
+ QRect newFramePosition = frameGeometry();
+ QRect newNormalPosition = normalGeometry();
+ if(d->topData()->wasMaximized && !(windowState() & Qt::WindowMaximized)) {
+ // Change the starting position
+ newFramePosition.moveTo(0, 0);
+ newNormalPosition.moveTo(0, 0);
+ }
+#endif // QT_MAC_USE_COCOA
QByteArray array;
QDataStream stream(&array, QIODevice::WriteOnly);
stream.setVersion(QDataStream::Qt_4_0);
@@ -6763,8 +6821,13 @@ QByteArray QWidget::saveGeometry() const
stream << magicNumber
<< majorVersion
<< minorVersion
+#ifdef QT_MAC_USE_COCOA
+ << newFramePosition
+ << newNormalPosition
+#else
<< frameGeometry()
<< normalGeometry()
+#endif // QT_MAC_USE_COCOA
<< qint32(QApplication::desktop()->screenNumber(this))
<< quint8(windowState() & Qt::WindowMaximized)
<< quint8(windowState() & Qt::WindowFullScreen);
@@ -8542,9 +8605,11 @@ bool QWidget::event(QEvent *event)
#endif // Q_WS_MAC
break;
}
+#ifndef QT_NO_GESTURES
case QEvent::Gesture:
event->ignore();
break;
+#endif
#ifndef QT_NO_PROPERTIES
case QEvent::DynamicPropertyChange: {
const QByteArray &propName = static_cast<QDynamicPropertyChangeEvent *>(event)->propertyName();
@@ -9667,46 +9732,58 @@ QWidget *QWidget::childAt(const QPoint &p) const
QWidget *QWidgetPrivate::childAt_helper(const QPoint &p, bool ignoreChildrenInDestructor) const
{
- Q_Q(const QWidget);
+ if (children.isEmpty())
+ return 0;
+
#ifdef Q_WS_MAC
+ Q_Q(const QWidget);
+ // Unified tool bars on the Mac require special handling since they live outside
+ // QMainWindow's geometry(). See commit: 35667fd45ada49269a5987c235fdedfc43e92bb8
bool includeFrame = q->isWindow() && qobject_cast<const QMainWindow *>(q)
&& static_cast<const QMainWindow *>(q)->unifiedTitleAndToolBarOnMac();
+ if (includeFrame)
+ return childAtRecursiveHelper(p, ignoreChildrenInDestructor, includeFrame);
#endif
- if (
-#ifdef Q_WS_MAC
- !includeFrame &&
-#endif
- !q->rect().contains(p))
+ if (!pointInsideRectAndMask(p))
return 0;
+ return childAtRecursiveHelper(p, ignoreChildrenInDestructor);
+}
- for (int i = children.size(); i > 0 ;) {
- --i;
- QWidget *w = qobject_cast<QWidget *>(children.at(i));
- if (w && !w->isWindow() && !w->isHidden()
- && (w->geometry().contains(p)
-#ifdef Q_WS_MAC
- || (includeFrame && w->geometry().contains(qt_mac_nativeMapFromParent(w, p)))
+QWidget *QWidgetPrivate::childAtRecursiveHelper(const QPoint &p, bool ignoreChildrenInDestructor, bool includeFrame) const
+{
+#ifndef Q_WS_MAC
+ Q_UNUSED(includeFrame);
#endif
- )) {
- if (ignoreChildrenInDestructor && w->data->in_destructor)
- continue;
- if (w->testAttribute(Qt::WA_TransparentForMouseEvents))
- continue;
- QPoint childPoint = w->mapFromParent(p);
-#ifdef Q_WS_MAC
- if (includeFrame && !w->geometry().contains(p))
- childPoint = qt_mac_nativeMapFromParent(w, p);
-#endif
- if (QWidget *t = w->d_func()->childAt_helper(childPoint, ignoreChildrenInDestructor))
- return t;
- // if WMouseNoMask is set the widget mask is ignored, if
- // the widget has no mask then the WMouseNoMask flag has no
- // effect
- if (w->testAttribute(Qt::WA_MouseNoMask) || w->mask().contains(childPoint)
- || w->mask().isEmpty())
- return w;
+ for (int i = children.size() - 1; i >= 0; --i) {
+ QWidget *child = qobject_cast<QWidget *>(children.at(i));
+ if (!child || child->isWindow() || child->isHidden() || child->testAttribute(Qt::WA_TransparentForMouseEvents)
+ || (ignoreChildrenInDestructor && child->data->in_destructor)) {
+ continue;
}
+
+ // Map the point 'p' from parent coordinates to child coordinates.
+ QPoint childPoint = p;
+#ifdef Q_WS_MAC
+ // 'includeFrame' is true if the child's parent is a top-level QMainWindow with an unified tool bar.
+ // An unified tool bar on the Mac lives outside QMainWindow's geometry(), so a normal
+ // QWidget::mapFromParent won't do the trick.
+ if (includeFrame && qobject_cast<QToolBar *>(child))
+ childPoint = qt_mac_nativeMapFromParent(child, p);
+ else
+#endif
+ childPoint -= child->data->crect.topLeft();
+
+ // Check if the point hits the child.
+ if (!child->d_func()->pointInsideRectAndMask(childPoint))
+ continue;
+
+ // Do the same for the child's descendants.
+ if (QWidget *w = child->d_func()->childAtRecursiveHelper(childPoint, ignoreChildrenInDestructor))
+ return w;
+
+ // We have found our target; namely the child at position 'p'.
+ return child;
}
return 0;
}
@@ -12005,6 +12082,7 @@ QGraphicsProxyWidget *QWidget::graphicsProxyWidget() const
Synonym for QList<QWidget *>.
*/
+#ifndef QT_NO_GESTURES
/*!
Subscribes the widget to a given \a gesture with specific \a flags.
@@ -12032,7 +12110,7 @@ void QWidget::ungrabGesture(Qt::GestureType gesture)
manager->cleanupCachedGestures(this, gesture);
}
}
-
+#endif // QT_NO_GESTURES
/*!
\typedef WId