diff options
Diffstat (limited to 'src/gui/kernel/qwidget.cpp')
-rw-r--r-- | src/gui/kernel/qwidget.cpp | 106 |
1 files changed, 61 insertions, 45 deletions
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index f31dcc4..8804742 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -366,7 +366,8 @@ bool QWidget::hasEditFocus() const normally; otherwise, Qt::Key_Up and Qt::Key_Down are used to change focus. - This feature is only available in Qt for Embedded Linux. + This feature is only available in Qt for Embedded Linux and Qt + for Symbian. \sa hasEditFocus(), QApplication::keypadNavigationEnabled() */ @@ -3087,7 +3088,8 @@ void QWidgetPrivate::setEnabled_helper(bool enable) QWidget *focusWidget = effectiveFocusWidget(); QInputContext *qic = focusWidget->d_func()->inputContext(); if (enable) { - qic->setFocusWidget(focusWidget); + if (focusWidget->testAttribute(Qt::WA_InputMethodEnabled)) + qic->setFocusWidget(focusWidget); } else { qic->reset(); qic->setFocusWidget(0); @@ -4605,7 +4607,7 @@ void QWidgetPrivate::updateFont(const QFont &font) if (!q->parentWidget() && extra && extra->proxyWidget) { QGraphicsProxyWidget *p = extra->proxyWidget; inheritedFontResolveMask = p->d_func()->inheritedFontResolveMask | p->font().resolve(); - } else + } else #endif //QT_NO_GRAPHICSVIEW if (q->isWindow() && !q->testAttribute(Qt::WA_WindowPropagation)) { inheritedFontResolveMask = 0; @@ -4962,6 +4964,8 @@ QGraphicsEffect *QWidget::graphicsEffect() const If \a effect is the installed on a different widget, setGraphicsEffect() will remove the effect from the widget and install it on this widget. + QWidget takes ownership of \a effect. + \note This function will apply the effect on itself and all its children. \since 4.6 @@ -4975,28 +4979,22 @@ void QWidget::setGraphicsEffect(QGraphicsEffect *effect) if (d->graphicsEffect == effect) return; - if (d->graphicsEffect && effect) { + if (d->graphicsEffect) { + d->invalidateBuffer(rect()); delete d->graphicsEffect; d->graphicsEffect = 0; } - if (!effect) { - // Unset current effect. - QGraphicsEffectPrivate *oldEffectPrivate = d->graphicsEffect->d_func(); - d->graphicsEffect = 0; - if (oldEffectPrivate) { - oldEffectPrivate->setGraphicsEffectSource(0); // deletes the current source. - } - } else { + if (effect) { // Set new effect. QGraphicsEffectSourcePrivate *sourced = new QWidgetEffectSourcePrivate(this); QGraphicsEffectSource *source = new QGraphicsEffectSource(*sourced); d->graphicsEffect = effect; effect->d_func()->setGraphicsEffectSource(source); + update(); } d->updateIsOpaque(); - update(); } #endif //QT_NO_GRAPHICSEFFECT @@ -6053,6 +6051,11 @@ bool QWidget::hasFocus() const (Nothing happens if the focus in and focus out widgets are the same.) + \note On embedded platforms, setFocus() will not cause an input panel + to be opened by the input method. If you want this to happen, you + have to send a QEvent::RequestSoftwareInputPanel event to the + widget yourself. + setFocus() gives focus to a widget regardless of its focus policy, but does not clear any keyboard grab (see grabKeyboard()). @@ -6065,7 +6068,7 @@ bool QWidget::hasFocus() const \sa hasFocus(), clearFocus(), focusInEvent(), focusOutEvent(), setFocusPolicy(), focusWidget(), QApplication::focusWidget(), grabKeyboard(), - grabMouse(), {Keyboard Focus} + grabMouse(), {Keyboard Focus}, QEvent::RequestSoftwareInputPanel */ void QWidget::setFocus(Qt::FocusReason reason) @@ -8382,9 +8385,10 @@ bool QWidget::event(QEvent *event) case QEvent::TouchUpdate: case QEvent::TouchEnd: { +#ifndef Q_WS_MAC QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event); const QTouchEvent::TouchPoint &touchPoint = touchEvent->touchPoints().first(); - if (touchPoint.isPrimary()) + if (touchPoint.isPrimary() || touchEvent->deviceType() == QTouchEvent::TouchPad) break; // fake a mouse event! @@ -8413,6 +8417,7 @@ bool QWidget::event(QEvent *event) Qt::LeftButton, touchEvent->modifiers()); (void) QApplication::sendEvent(this, &mouseEvent); +#endif // Q_WS_MAC break; } case QEvent::Gesture: @@ -9778,13 +9783,12 @@ void QWidget::setParent(QWidget *parent, Qt::WindowFlags f) } #endif - if (newParent) { - if (QWidgetBackingStore *oldBs = oldtlw->d_func()->maybeBackingStore()) { + if (QWidgetBackingStore *oldBs = oldtlw->d_func()->maybeBackingStore()) { + if (newParent) oldBs->removeDirtyWidget(this); - // Move the widget and all its static children from - // the old backing store to the new one. - oldBs->moveStaticWidgets(this); - } + // Move the widget and all its static children from + // the old backing store to the new one. + oldBs->moveStaticWidgets(this); } if ((QApplicationPrivate::app_compile_version < 0x040200 @@ -9905,13 +9909,13 @@ void QWidget::scroll(int dx, int dy) Q_D(QWidget); #ifndef QT_NO_GRAPHICSVIEW if (QGraphicsProxyWidget *proxy = QWidgetPrivate::nearestGraphicsProxyWidget(this)) { - // Graphics View maintains its own dirty region as a list of rects; - // until we can connect item updates directly to the view, we must - // separately add a translated dirty region. - if (!d->dirty.isEmpty()) { - foreach (const QRect &rect, (d->dirty.translated(dx, dy)).rects()) - proxy->update(rect); - } + // Graphics View maintains its own dirty region as a list of rects; + // until we can connect item updates directly to the view, we must + // separately add a translated dirty region. + if (!d->dirty.isEmpty()) { + foreach (const QRect &rect, (d->dirty.translated(dx, dy)).rects()) + proxy->update(rect); + } proxy->scroll(dx, dy, proxy->subWidgetRect(this)); return; } @@ -9940,13 +9944,13 @@ void QWidget::scroll(int dx, int dy, const QRect &r) Q_D(QWidget); #ifndef QT_NO_GRAPHICSVIEW if (QGraphicsProxyWidget *proxy = QWidgetPrivate::nearestGraphicsProxyWidget(this)) { - // Graphics View maintains its own dirty region as a list of rects; - // until we can connect item updates directly to the view, we must - // separately add a translated dirty region. - if (!d->dirty.isEmpty()) { - foreach (const QRect &rect, (d->dirty.translated(dx, dy) & r).rects()) - proxy->update(rect); - } + // Graphics View maintains its own dirty region as a list of rects; + // until we can connect item updates directly to the view, we must + // separately add a translated dirty region. + if (!d->dirty.isEmpty()) { + foreach (const QRect &rect, (d->dirty.translated(dx, dy) & r).rects()) + proxy->update(rect); + } proxy->scroll(dx, dy, r.translated(proxy->subWidgetRect(this).topLeft().toPoint())); return; } @@ -10362,17 +10366,22 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on) #ifndef QT_NO_IM QWidget *focusWidget = d->effectiveFocusWidget(); QInputContext *ic = 0; - if (on && !internalWinId() && testAttribute(Qt::WA_InputMethodEnabled) && hasFocus()) { + if (on && !internalWinId() && hasFocus() + && focusWidget->testAttribute(Qt::WA_InputMethodEnabled)) { ic = focusWidget->d_func()->inputContext(); - ic->reset(); - ic->setFocusWidget(0); + if (ic) { + ic->reset(); + ic->setFocusWidget(0); + } } if (!qApp->testAttribute(Qt::AA_DontCreateNativeWidgetSiblings) && parentWidget()) parentWidget()->d_func()->enforceNativeChildren(); if (on && !internalWinId() && testAttribute(Qt::WA_WState_Created)) d->createWinId(); - if (ic && isEnabled()) + if (ic && isEnabled() && focusWidget->isEnabled() + && focusWidget->testAttribute(Qt::WA_InputMethodEnabled)) { ic->setFocusWidget(focusWidget); + } #endif //QT_NO_IM break; } @@ -10409,7 +10418,8 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on) if (!ic && (!on || hasFocus())) ic = focusWidget->d_func()->inputContext(); if (ic) { - if (on && hasFocus() && ic->focusWidget() != focusWidget && isEnabled()) { + if (on && hasFocus() && ic->focusWidget() != focusWidget && isEnabled() + && focusWidget->testAttribute(Qt::WA_InputMethodEnabled)) { ic->setFocusWidget(focusWidget); } else if (!on && ic->focusWidget() == focusWidget) { ic->reset(); @@ -11876,16 +11886,20 @@ void QWidget::ungrabGesture(Qt::GestureType gesture) mouse when a mouse button is pressed and keeps it until the last button is released. - Note that only visible widgets can grab mouse input. If - isVisible() returns false for a widget, that widget cannot call - grabMouse(). + \note Only visible widgets can grab mouse input. If isVisible() + returns false for a widget, that widget cannot call grabMouse(). + + \note \bold{(Mac OS X developers)} For \e Cocoa, calling + grabMouse() on a widget only works when the mouse is inside the + frame of that widget. For \e Carbon, it works outside the widget's + frame as well, like for Windows and X11. \sa releaseMouse() grabKeyboard() releaseKeyboard() */ /*! \fn void QWidget::grabMouse(const QCursor &cursor) - \overload + \overload grabMouse() Grabs the mouse input and changes the cursor shape. @@ -11895,6 +11909,8 @@ void QWidget::ungrabGesture(Qt::GestureType gesture) \warning Grabbing the mouse might lock the terminal. + \note \bold{(Mac OS X developers)} See the note in QWidget::grabMouse(). + \sa releaseMouse(), grabKeyboard(), releaseKeyboard(), setCursor() */ |