/* Checks if an expanded toolbar has to wait for this popup to close before the toolbar collapses. This is true if 1) the popup has the toolbar in its parent chain, 2) the popup is a menu whose menuAction is somewhere in the toolbar. */ static bool waitForPopup(QToolBar *tb, QWidget *popup) { if (popup == 0 || popup->isHidden()) return false; QWidget *w = popup; while (w != 0) { if (w == tb) return true; w = w->parentWidget(); } QMenu *menu = qobject_cast<QMenu*>(popup); if (menu == 0) return false; QAction *action = menu->menuAction(); QList<QWidget*> widgets = action->associatedWidgets(); for (int i = 0; i < widgets.count(); ++i) { if (waitForPopup(tb, widgets.at(i))) return true; } return false; }
/*! \reimp */ bool QToolBar::event(QEvent *event) { Q_D(QToolBar); switch (event->type()) { case QEvent::Timer: if (d->waitForPopupTimer.timerId() == static_cast<QTimerEvent*>(event)->timerId()) { QWidget *w = QApplication::activePopupWidget(); if (!waitForPopup(this, w)) { d->waitForPopupTimer.stop(); if (!this->underMouse()) d->layout->setExpanded(false); } } break; case QEvent::Hide: if (!isHidden()) break; // fallthrough intended case QEvent::Show: d->toggleViewAction->setChecked(event->type() == QEvent::Show); emit visibilityChanged(event->type() == QEvent::Show); #if defined(Q_WS_MAC) if (toolbarInUnifiedToolBar(this)) { // I can static_cast because I did the qobject_cast in the if above, therefore // we must have a QMainWindowLayout here. QMainWindowLayout *mwLayout = static_cast<QMainWindowLayout *>(parentWidget()->layout()); mwLayout->fixSizeInUnifiedToolbar(this); mwLayout->syncUnifiedToolbarVisibility(); } # if !defined(QT_MAC_USE_COCOA) // Fall through case QEvent::LayoutRequest: { // There's currently no way to invalidate the size and let // HIToolbar know about it. This forces a re-check. int earlyResult = -1; if (QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget())) { bool needUpdate = true; if (event->type() == QEvent::LayoutRequest) { QSize oldSizeHint = sizeHint(); earlyResult = QWidget::event(event) ? 1 : 0; needUpdate = oldSizeHint != sizeHint(); } if (needUpdate) { OSWindowRef windowRef = qt_mac_window_for(mainWindow); if (toolbarInUnifiedToolBar(this) && macWindowToolbarIsVisible(windowRef)) { DisableScreenUpdates(); macWindowToolbarShow(this, false); macWindowToolbarShow(this, true); EnableScreenUpdates(); } } if (earlyResult != -1) return earlyResult; } } # endif // !QT_MAC_USE_COCOA #endif // Q_WS_MAC break; case QEvent::ParentChange: d->layout->checkUsePopupMenu(); #if defined(Q_WS_MAC) if (parentWidget() && parentWidget()->isWindow()) qt_mac_updateToolBarButtonHint(parentWidget()); #endif break; case QEvent::MouseButtonPress: { if (d->mousePressEvent(static_cast<QMouseEvent*>(event))) return true; break; } case QEvent::MouseButtonRelease: if (d->mouseReleaseEvent(static_cast<QMouseEvent*>(event))) return true; break; case QEvent::HoverEnter: case QEvent::HoverLeave: // there's nothing special to do here and we don't want to update the whole widget return true; case QEvent::HoverMove: { #ifndef QT_NO_CURSOR QHoverEvent *e = static_cast<QHoverEvent*>(event); QStyleOptionToolBar opt; initStyleOption(&opt); if (style()->subElementRect(QStyle::SE_ToolBarHandle, &opt, this).contains(e->pos())) setCursor(Qt::SizeAllCursor); else unsetCursor(); #endif break; } case QEvent::MouseMove: if (d->mouseMoveEvent(static_cast<QMouseEvent*>(event))) return true; break; #ifdef Q_WS_WINCE case QEvent::ContextMenu: { QContextMenuEvent* contextMenuEvent = static_cast<QContextMenuEvent*>(event); QWidget* child = childAt(contextMenuEvent->pos()); QAbstractButton* button = qobject_cast<QAbstractButton*>(child); if (button) button->setDown(false); } break; #endif case QEvent::Leave: if (d->state != 0 && d->state->dragging) { #ifdef Q_OS_WIN // This is a workaround for loosing the mouse on Vista. QPoint pos = QCursor::pos(); QMouseEvent fake(QEvent::MouseMove, mapFromGlobal(pos), pos, Qt::NoButton, QApplication::mouseButtons(), QApplication::keyboardModifiers()); d->mouseMoveEvent(&fake); #endif } else { if (!d->layout->expanded) break; QWidget *w = QApplication::activePopupWidget(); if (waitForPopup(this, w)) { d->waitForPopupTimer.start(POPUP_TIMER_INTERVAL, this); break; } d->waitForPopupTimer.stop(); d->layout->setExpanded(false); break; } default: break; } return QWidget::event(event); }
/*! \reimp */ bool QToolBar::event(QEvent *event) { Q_D(QToolBar); switch (event->type()) { case QEvent::Timer: if (d->waitForPopupTimer.timerId() == static_cast<QTimerEvent*>(event)->timerId()) { QWidget *w = QApplication::activePopupWidget(); if (!waitForPopup(this, w)) { d->waitForPopupTimer.stop(); if (!this->underMouse()) d->layout->setExpanded(false); } } break; case QEvent::Hide: if (!isHidden()) break; // fallthrough intended case QEvent::Show: d->toggleViewAction->setChecked(event->type() == QEvent::Show); #ifdef Q_OS_OSX enableMacToolBar(this, event->type() == QEvent::Show); #endif emit visibilityChanged(event->type() == QEvent::Show); break; case QEvent::ParentChange: d->layout->checkUsePopupMenu(); break; case QEvent::MouseButtonPress: { if (d->mousePressEvent(static_cast<QMouseEvent*>(event))) return true; break; } case QEvent::MouseButtonRelease: if (d->mouseReleaseEvent(static_cast<QMouseEvent*>(event))) return true; break; case QEvent::HoverEnter: case QEvent::HoverLeave: // there's nothing special to do here and we don't want to update the whole widget return true; case QEvent::HoverMove: { #ifndef QT_NO_CURSOR QHoverEvent *e = static_cast<QHoverEvent*>(event); QStyleOptionToolBar opt; initStyleOption(&opt); if (style()->subElementRect(QStyle::SE_ToolBarHandle, &opt, this).contains(e->pos())) setCursor(Qt::SizeAllCursor); else unsetCursor(); #endif break; } case QEvent::MouseMove: if (d->mouseMoveEvent(static_cast<QMouseEvent*>(event))) return true; break; #ifdef Q_OS_WINCE case QEvent::ContextMenu: { QContextMenuEvent* contextMenuEvent = static_cast<QContextMenuEvent*>(event); QWidget* child = childAt(contextMenuEvent->pos()); QAbstractButton* button = qobject_cast<QAbstractButton*>(child); if (button) button->setDown(false); } break; #endif case QEvent::Leave: if (d->state != 0 && d->state->dragging) { #ifdef Q_OS_WIN // This is a workaround for loosing the mouse on Vista. QPoint pos = QCursor::pos(); QMouseEvent fake(QEvent::MouseMove, mapFromGlobal(pos), pos, Qt::NoButton, QApplication::mouseButtons(), QApplication::keyboardModifiers()); d->mouseMoveEvent(&fake); #endif } else { if (!d->layout->expanded) break; QWidget *w = QApplication::activePopupWidget(); if (waitForPopup(this, w)) { d->waitForPopupTimer.start(POPUP_TIMER_INTERVAL, this); break; } d->waitForPopupTimer.stop(); d->layout->setExpanded(false); break; } default: break; } return QWidget::event(event); }