bool CDiagramProxyWidget::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
{
	QGraphicsSceneMouseEvent	*mouseEvent = NULL;

	mouseEvent = dynamic_cast<QGraphicsSceneMouseEvent*>(event);
	if (mouseEvent && mouseEvent->buttons() & Qt::LeftButton)
		setSelected(true);
	return scene()->sendEvent(m_proxy, event);
}
dmz::V8Value
dmz::JsModuleUiV8QtBasic::_gscene_mouse_event_buttons (const v8::Arguments &Args) {

   v8::HandleScope scope;
   V8Value result = v8::Undefined ();

   JsModuleUiV8QtBasic *self = _to_self (Args);
   if (self) {

      QGraphicsSceneMouseEvent *event =
         (QGraphicsSceneMouseEvent *)self->_to_qevent (Args.This ());
      if (event) { result = v8::Integer::New (event->buttons ()); }
   }

   return scope.Close (result);
}
Beispiel #3
0
static QEvent *cloneEvent(QEvent *e)
{
    switch (e->type()) {
    case QEvent::MouseButtonPress:
    case QEvent::MouseButtonRelease:
    case QEvent::MouseButtonDblClick:
    case QEvent::MouseMove:
        return new QMouseEvent(*static_cast<QMouseEvent*>(e));
    case QEvent::KeyPress:
    case QEvent::KeyRelease:
        return new QKeyEvent(*static_cast<QKeyEvent*>(e));
    case QEvent::FocusIn:
    case QEvent::FocusOut:
        return new QFocusEvent(*static_cast<QFocusEvent*>(e));
    case QEvent::Enter:
        return new QEvent(*e);
    case QEvent::Leave:
        return new QEvent(*e);
        break;
    case QEvent::Paint:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Move:
        return new QMoveEvent(*static_cast<QMoveEvent*>(e));
    case QEvent::Resize:
        return new QResizeEvent(*static_cast<QResizeEvent*>(e));
    case QEvent::Create:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Destroy:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Show:
        return new QShowEvent(*static_cast<QShowEvent*>(e));
    case QEvent::Hide:
        return new QHideEvent(*static_cast<QHideEvent*>(e));
    case QEvent::Close:
        return new QCloseEvent(*static_cast<QCloseEvent*>(e));
    case QEvent::Quit:
        return new QEvent(*e);
    case QEvent::ParentChange:
        return new QEvent(*e);
    case QEvent::ParentAboutToChange:
        return new QEvent(*e);
    case QEvent::ThreadChange:
        return new QEvent(*e);

    case QEvent::WindowActivate:
    case QEvent::WindowDeactivate:
        return new QEvent(*e);

    case QEvent::ShowToParent:
        return new QEvent(*e);
    case QEvent::HideToParent:
        return new QEvent(*e);
#ifndef QT_NO_WHEELEVENT
    case QEvent::Wheel:
        return new QWheelEvent(*static_cast<QWheelEvent*>(e));
#endif //QT_NO_WHEELEVENT
    case QEvent::WindowTitleChange:
        return new QEvent(*e);
    case QEvent::WindowIconChange:
        return new QEvent(*e);
    case QEvent::ApplicationWindowIconChange:
        return new QEvent(*e);
    case QEvent::ApplicationFontChange:
        return new QEvent(*e);
    case QEvent::ApplicationLayoutDirectionChange:
        return new QEvent(*e);
    case QEvent::ApplicationPaletteChange:
        return new QEvent(*e);
    case QEvent::PaletteChange:
        return new QEvent(*e);
    case QEvent::Clipboard:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Speech:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::MetaCall:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::SockAct:
        return new QEvent(*e);
    case QEvent::WinEventAct:
        return new QEvent(*e);
    case QEvent::DeferredDelete:
        return new QEvent(*e);
#ifndef QT_NO_DRAGANDDROP 
   case QEvent::DragEnter:
        return new QDragEnterEvent(*static_cast<QDragEnterEvent*>(e));
    case QEvent::DragMove:
        return new QDragMoveEvent(*static_cast<QDragMoveEvent*>(e));
    case QEvent::DragLeave:
        return new QDragLeaveEvent(*static_cast<QDragLeaveEvent*>(e));
    case QEvent::Drop:
        return new QDropEvent(*static_cast<QDragMoveEvent*>(e));
    case QEvent::DragResponse:
        return new QDragResponseEvent(*static_cast<QDragResponseEvent*>(e));
#endif
    case QEvent::ChildAdded:
        return new QChildEvent(*static_cast<QChildEvent*>(e));
    case QEvent::ChildPolished:
        return new QChildEvent(*static_cast<QChildEvent*>(e));
#ifdef QT3_SUPPORT
    case QEvent::ChildInsertedRequest:
        return new QEvent(*e);
    case QEvent::ChildInserted:
        return new QChildEvent(*static_cast<QChildEvent*>(e));
    case QEvent::LayoutHint:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif
    case QEvent::ChildRemoved:
        return new QChildEvent(*static_cast<QChildEvent*>(e));
    case QEvent::ShowWindowRequest:
        return new QEvent(*e);
    case QEvent::PolishRequest:
        return new QEvent(*e);
    case QEvent::Polish:
        return new QEvent(*e);
    case QEvent::LayoutRequest:
        return new QEvent(*e);
    case QEvent::UpdateRequest:
        return new QEvent(*e);
    case QEvent::UpdateLater:
        return new QEvent(*e);

    case QEvent::EmbeddingControl:
        return new QEvent(*e);
    case QEvent::ActivateControl:
        return new QEvent(*e);
    case QEvent::DeactivateControl:
        return new QEvent(*e);

#ifndef QT_NO_CONTEXTMENU
    case QEvent::ContextMenu:
        return new QContextMenuEvent(*static_cast<QContextMenuEvent*>(e));
#endif
    case QEvent::InputMethod:
        return new QInputMethodEvent(*static_cast<QInputMethodEvent*>(e));
    case QEvent::AccessibilityPrepare:
        return new QEvent(*e);
#ifndef QT_NO_TABLETEVENT
    case QEvent::TabletMove:
        return new QTabletEvent(*static_cast<QTabletEvent*>(e));
#endif //QT_NO_TABLETEVENT
    case QEvent::LocaleChange:
        return new QEvent(*e);
    case QEvent::LanguageChange:
        return new QEvent(*e);
    case QEvent::LayoutDirectionChange:
        return new QEvent(*e);
    case QEvent::Style:
        return new QEvent(*e);
#ifndef QT_NO_TABLETEVENT
    case QEvent::TabletPress:
        return new QTabletEvent(*static_cast<QTabletEvent*>(e));
    case QEvent::TabletRelease:
        return new QTabletEvent(*static_cast<QTabletEvent*>(e));
#endif //QT_NO_TABLETEVENT
    case QEvent::OkRequest:
        return new QEvent(*e);
    case QEvent::HelpRequest:
        return new QEvent(*e);

    case QEvent::IconDrag:
        return new QIconDragEvent(*static_cast<QIconDragEvent*>(e));

    case QEvent::FontChange:
        return new QEvent(*e);
    case QEvent::EnabledChange:
        return new QEvent(*e);
    case QEvent::ActivationChange:
        return new QEvent(*e);
    case QEvent::StyleChange:
        return new QEvent(*e);
    case QEvent::IconTextChange:
        return new QEvent(*e);
    case QEvent::ModifiedChange:
        return new QEvent(*e);
    case QEvent::MouseTrackingChange:
        return new QEvent(*e);

    case QEvent::WindowBlocked:
        return new QEvent(*e);
    case QEvent::WindowUnblocked:
        return new QEvent(*e);
    case QEvent::WindowStateChange:
        return new QWindowStateChangeEvent(*static_cast<QWindowStateChangeEvent*>(e));

    case QEvent::ToolTip:
        return new QHelpEvent(*static_cast<QHelpEvent*>(e));
    case QEvent::WhatsThis:
        return new QHelpEvent(*static_cast<QHelpEvent*>(e));
#ifndef QT_NO_STATUSTIP
    case QEvent::StatusTip:
        return new QStatusTipEvent(*static_cast<QStatusTipEvent*>(e));
#endif //QT_NO_STATUSTIP
#ifndef QT_NO_ACTION
    case QEvent::ActionChanged:
    case QEvent::ActionAdded:
    case QEvent::ActionRemoved:
        return new QActionEvent(*static_cast<QActionEvent*>(e));
#endif
    case QEvent::FileOpen:
        return new QFileOpenEvent(*static_cast<QFileOpenEvent*>(e));

#ifndef QT_NO_SHORTCUT
    case QEvent::Shortcut:
        return new QShortcutEvent(*static_cast<QShortcutEvent*>(e));
#endif //QT_NO_SHORTCUT
    case QEvent::ShortcutOverride:
        return new QKeyEvent(*static_cast<QKeyEvent*>(e));

#ifdef QT3_SUPPORT
    case QEvent::Accel:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::AccelAvailable:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif

#ifndef QT_NO_WHATSTHIS
    case QEvent::WhatsThisClicked:
        return new QWhatsThisClickedEvent(*static_cast<QWhatsThisClickedEvent*>(e));
#endif //QT_NO_WHATSTHIS

#ifndef QT_NO_TOOLBAR
    case QEvent::ToolBarChange:
        return new QToolBarChangeEvent(*static_cast<QToolBarChangeEvent*>(e));
#endif //QT_NO_TOOLBAR

    case QEvent::ApplicationActivate:
        return new QEvent(*e);
    case QEvent::ApplicationDeactivate:
        return new QEvent(*e);

    case QEvent::QueryWhatsThis:
        return new QHelpEvent(*static_cast<QHelpEvent*>(e));
    case QEvent::EnterWhatsThisMode:
        return new QEvent(*e);
    case QEvent::LeaveWhatsThisMode:
        return new QEvent(*e);

    case QEvent::ZOrderChange:
        return new QEvent(*e);

    case QEvent::HoverEnter:
    case QEvent::HoverLeave:
    case QEvent::HoverMove:
        return new QHoverEvent(*static_cast<QHoverEvent*>(e));

    case QEvent::AccessibilityHelp:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::AccessibilityDescription:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

#ifdef QT_KEYPAD_NAVIGATION
    case QEvent::EnterEditFocus:
        return new QEvent(*e);
    case QEvent::LeaveEditFocus:
        return new QEvent(*e);
#endif
    case QEvent::AcceptDropsChange:
        return new QEvent(*e);

#ifdef QT3_SUPPORT
    case QEvent::MenubarUpdated:
        return new QMenubarUpdatedEvent(*static_cast<QMenubarUpdatedEvent*>(e));
#endif

    case QEvent::ZeroTimerEvent:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#ifndef QT_NO_GRAPHICSVIEW
    case QEvent::GraphicsSceneMouseMove:
    case QEvent::GraphicsSceneMousePress:
    case QEvent::GraphicsSceneMouseRelease:
    case QEvent::GraphicsSceneMouseDoubleClick: {
        QGraphicsSceneMouseEvent *me = static_cast<QGraphicsSceneMouseEvent*>(e);
        QGraphicsSceneMouseEvent *me2 = new QGraphicsSceneMouseEvent(me->type());
        me2->setWidget(me->widget());
        me2->setPos(me->pos());
        me2->setScenePos(me->scenePos());
        me2->setScreenPos(me->screenPos());
// ### for all buttons
        me2->setButtonDownPos(Qt::LeftButton, me->buttonDownPos(Qt::LeftButton));
        me2->setButtonDownPos(Qt::RightButton, me->buttonDownPos(Qt::RightButton));
        me2->setButtonDownScreenPos(Qt::LeftButton, me->buttonDownScreenPos(Qt::LeftButton));
        me2->setButtonDownScreenPos(Qt::RightButton, me->buttonDownScreenPos(Qt::RightButton));
        me2->setLastPos(me->lastPos());
        me2->setLastScenePos(me->lastScenePos());
        me2->setLastScreenPos(me->lastScreenPos());
        me2->setButtons(me->buttons());
        me2->setButton(me->button());
        me2->setModifiers(me->modifiers());
        return me2;
    }

    case QEvent::GraphicsSceneContextMenu: {
        QGraphicsSceneContextMenuEvent *me = static_cast<QGraphicsSceneContextMenuEvent*>(e);
        QGraphicsSceneContextMenuEvent *me2 = new QGraphicsSceneContextMenuEvent(me->type());
        me2->setWidget(me->widget());
        me2->setPos(me->pos());
        me2->setScenePos(me->scenePos());
        me2->setScreenPos(me->screenPos());
        me2->setModifiers(me->modifiers());
        me2->setReason(me->reason());
        return me2;
    }

    case QEvent::GraphicsSceneHoverEnter:
    case QEvent::GraphicsSceneHoverMove:
    case QEvent::GraphicsSceneHoverLeave: {
        QGraphicsSceneHoverEvent *he = static_cast<QGraphicsSceneHoverEvent*>(e);
        QGraphicsSceneHoverEvent *he2 = new QGraphicsSceneHoverEvent(he->type());
        he2->setPos(he->pos());
        he2->setScenePos(he->scenePos());
        he2->setScreenPos(he->screenPos());
        he2->setLastPos(he->lastPos());
        he2->setLastScenePos(he->lastScenePos());
        he2->setLastScreenPos(he->lastScreenPos());
        he2->setModifiers(he->modifiers());
        return he2;
    }
    case QEvent::GraphicsSceneHelp:
        return new QHelpEvent(*static_cast<QHelpEvent*>(e));
    case QEvent::GraphicsSceneDragEnter:
    case QEvent::GraphicsSceneDragMove:
    case QEvent::GraphicsSceneDragLeave:
    case QEvent::GraphicsSceneDrop: {
        QGraphicsSceneDragDropEvent *dde = static_cast<QGraphicsSceneDragDropEvent*>(e);
        QGraphicsSceneDragDropEvent *dde2 = new QGraphicsSceneDragDropEvent(dde->type());
        dde2->setPos(dde->pos());
        dde2->setScenePos(dde->scenePos());
        dde2->setScreenPos(dde->screenPos());
        dde2->setButtons(dde->buttons());
        dde2->setModifiers(dde->modifiers());
        return dde2;
    }
    case QEvent::GraphicsSceneWheel: {
        QGraphicsSceneWheelEvent *we = static_cast<QGraphicsSceneWheelEvent*>(e);
        QGraphicsSceneWheelEvent *we2 = new QGraphicsSceneWheelEvent(we->type());
        we2->setPos(we->pos());
        we2->setScenePos(we->scenePos());
        we2->setScreenPos(we->screenPos());
        we2->setButtons(we->buttons());
        we2->setModifiers(we->modifiers());
        we2->setOrientation(we->orientation());
        we2->setDelta(we->delta());
        return we2;
    }
#endif
    case QEvent::KeyboardLayoutChange:
        return new QEvent(*e);

    case QEvent::DynamicPropertyChange:
        return new QDynamicPropertyChangeEvent(*static_cast<QDynamicPropertyChangeEvent*>(e));

#ifndef QT_NO_TABLETEVENT
    case QEvent::TabletEnterProximity:
    case QEvent::TabletLeaveProximity:
        return new QTabletEvent(*static_cast<QTabletEvent*>(e));
#endif //QT_NO_TABLETEVENT

    case QEvent::NonClientAreaMouseMove:
    case QEvent::NonClientAreaMouseButtonPress:
    case QEvent::NonClientAreaMouseButtonRelease:
    case QEvent::NonClientAreaMouseButtonDblClick:
        return new QMouseEvent(*static_cast<QMouseEvent*>(e));

    case QEvent::MacSizeChange:
        return new QEvent(*e);

    case QEvent::ContentsRectChange:
        return new QEvent(*e);

    case QEvent::MacGLWindowChange:
        return new QEvent(*e);

    case QEvent::FutureCallOut:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#ifndef QT_NO_GRAPHICSVIEW
    case QEvent::GraphicsSceneResize: {
        QGraphicsSceneResizeEvent *re = static_cast<QGraphicsSceneResizeEvent*>(e);
        QGraphicsSceneResizeEvent *re2 = new QGraphicsSceneResizeEvent();
        re2->setOldSize(re->oldSize());
        re2->setNewSize(re->newSize());
        return re2;
    }
    case QEvent::GraphicsSceneMove: {
        QGraphicsSceneMoveEvent *me = static_cast<QGraphicsSceneMoveEvent*>(e);
        QGraphicsSceneMoveEvent *me2 = new QGraphicsSceneMoveEvent();
        me2->setWidget(me->widget());
        me2->setNewPos(me->newPos());
        me2->setOldPos(me->oldPos());
        return me2;
    }
#endif
    case QEvent::CursorChange:
        return new QEvent(*e);
    case QEvent::ToolTipChange:
        return new QEvent(*e);

    case QEvent::NetworkReplyUpdated:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::GrabMouse:
    case QEvent::UngrabMouse:
    case QEvent::GrabKeyboard:
    case QEvent::UngrabKeyboard:
        return new QEvent(*e);

    case QEvent::TouchBegin:
    case QEvent::TouchUpdate:
    case QEvent::TouchEnd:
        return new QTouchEvent(*static_cast<QTouchEvent*>(e));

#ifndef QT_NO_GESTURES
    case QEvent::NativeGesture:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif

    case QEvent::RequestSoftwareInputPanel:
    case QEvent::CloseSoftwareInputPanel:
        return new QEvent(*e);

    case QEvent::UpdateSoftKeys:
        return new QEvent(*e);

    case QEvent::User:
    case QEvent::MaxUser:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    default:
        ;
    }
    return qcoreStateMachineHandler()->cloneEvent(e);
}
bool CMindMapEventHandler::onEvent(CDiagramPrivateData *p, QEvent *evt)
{
	bool					r = false;
	CDiagram				*d = NULL;
	CDiagramItem			*item = NULL;
	CMindMapNode			*node = NULL;
	QList<CDiagramItem*>	items;
	
	if ( !p || !p->m_d || p->m_d->mode() == CDiagram::EditTextMode )
		return r;

	d = p->m_d;
	m_pdata = p;

	switch(evt->type())
	{
	case QEvent::GraphicsSceneDragEnter:
        r = dragEnterEvent(static_cast<QGraphicsSceneDragDropEvent*>(evt));
		break;

	case QEvent::GraphicsSceneDragMove:
        r = dragMoveEvent(static_cast<QGraphicsSceneDragDropEvent*>(evt));
		break;

	case QEvent::GraphicsSceneDrop:
        r = dropEvent(static_cast<QGraphicsSceneDragDropEvent*>(evt));
		break;

	case QEvent::GraphicsSceneMousePress:
        if (m_draggedImage->scene() == d)
            d->removeItem(m_draggedImage);
		m_pdata->m_customPressedItem = NULL;
		m_target = NULL;
		break;

	case QEvent::GraphicsSceneMouseMove:
		{
			QGraphicsSceneMouseEvent	*event = NULL;
			QPointF						endPos;
			QPointF						startPos;
			QDrag						*drag = NULL;
			QMimeData					*mime = NULL;
			QByteArray					mimeData;
			QDataStream					dataStream(&mimeData, QIODevice::WriteOnly);

			event = static_cast<QGraphicsSceneMouseEvent*>(evt);
			if (event && d->mode() == CDiagram::CursorMode)
			{
				if (event->buttons() & Qt::LeftButton )
				{
					endPos = event->scenePos();
					startPos = event->buttonDownScenePos(Qt::LeftButton);

					if (!m_pdata->m_customPressedItem)
					{
						items = d->selectedTopLevelItems();
						if (items.length() == 1)
						{
							node = dynamic_cast<CMindMapNode*>(items.first());
                            if (node && node->isMovable() && node->mapToScene( node->boundingRect() ).containsPoint(event->scenePos(), Qt::WindingFill ) )
							{
								m_pdata->m_customPressedItem = node;
							}
							else if (node && node->isRoot())
							{
								r = true;
							}
						}
						else
						{
							foreach (item, items)
							{
								node = dynamic_cast<CMindMapNode*>(item);
								if (node && node->isRoot())
								{
									r = true;
									break;
								}
							}
						}
					}

					// check whether we should start the moving action
					// using manhattanLength.
					if (m_pdata->m_customPressedItem && 
						m_draggedImage->scene() != d && 
						((startPos, endPos).manhattanLength() > QApplication::startDragDistance() ) )
					{
						((CMindMapDragImage*)m_draggedImage)->updateDraggedItemsRect(d, m_pdata->m_customPressedItem);
                        m_pdata->m_d->addItem(m_draggedImage);
						m_draggedImage->setVisible(true);
						m_draggedImageInitPos = m_draggedImage->pos();
						
						dataStream << event->buttonDownScenePos(Qt::LeftButton);
						mime = new QMimeData();
						mime->setData(DND_DRAGMINDMAPNODE, mimeData);

                        drag = new QDrag( d->getMainView() );
						drag->setMimeData(mime);
						
						if (drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::MoveAction) == Qt::MoveAction)
						{
							// Should do something here.
						}

						event->accept();
                        r = true;
					}
				}
			}
Beispiel #5
0
bool KisSketchView::sceneEvent(QEvent* event)
{
    if (d->canvas && d->canvasWidget) {
        switch(event->type()) {
        case QEvent::GraphicsSceneMousePress: {
            QGraphicsSceneMouseEvent *gsmevent = static_cast<QGraphicsSceneMouseEvent*>(event);
            QMouseEvent mevent(QMouseEvent::MouseButtonPress, gsmevent->pos().toPoint(), gsmevent->button(), gsmevent->buttons(), gsmevent->modifiers());
            QApplication::sendEvent(d->canvasWidget, &mevent);
            emit interactionStarted();
            return true;
        }
        case QEvent::GraphicsSceneMouseMove: {
            QGraphicsSceneMouseEvent *gsmevent = static_cast<QGraphicsSceneMouseEvent*>(event);
            QMouseEvent mevent(QMouseEvent::MouseMove, gsmevent->pos().toPoint(), gsmevent->button(), gsmevent->buttons(), gsmevent->modifiers());
            QApplication::sendEvent(d->canvasWidget, &mevent);
            update();
            emit interactionStarted();
            return true;
        }
        case QEvent::GraphicsSceneMouseRelease: {
            QGraphicsSceneMouseEvent *gsmevent = static_cast<QGraphicsSceneMouseEvent*>(event);
            QMouseEvent mevent(QMouseEvent::MouseButtonRelease, gsmevent->pos().toPoint(), gsmevent->button(), gsmevent->buttons(), gsmevent->modifiers());
            QApplication::sendEvent(d->canvasWidget, &mevent);
            emit interactionStarted();
            return true;
        }
        case QEvent::GraphicsSceneWheel: {
            QGraphicsSceneWheelEvent *gswevent = static_cast<QGraphicsSceneWheelEvent*>(event);
            QWheelEvent wevent(gswevent->pos().toPoint(), gswevent->delta(), gswevent->buttons(), gswevent->modifiers(), gswevent->orientation());
            QApplication::sendEvent(d->canvasWidget, &wevent);
            emit interactionStarted();
            return true;
        }
        case QEvent::GraphicsSceneHoverEnter: {
            QGraphicsSceneHoverEvent *hevent = static_cast<QGraphicsSceneHoverEvent*>(event);
            QHoverEvent e(QEvent::Enter, hevent->screenPos(), hevent->lastScreenPos());
            QApplication::sendEvent(d->canvasWidget, &e);
            return true;
        }
        case QEvent::GraphicsSceneHoverLeave: {
            QGraphicsSceneHoverEvent *hevent = static_cast<QGraphicsSceneHoverEvent*>(event);
            QHoverEvent e(QEvent::Leave, hevent->screenPos(), hevent->lastScreenPos());
            QApplication::sendEvent(d->canvasWidget, &e);
            return true;
        }
        case QEvent::TouchBegin: {
            QApplication::sendEvent(d->canvasWidget, event);
            event->accept();
            emit interactionStarted();
            return true;
        }
        case QEvent::TabletPress:
        case QEvent::TabletMove:
        case QEvent::TabletRelease:
            d->canvas->inputManager()->stopIgnoringEvents();
            QApplication::sendEvent(d->canvasWidget, event);
            return true;
        default:
            if (QApplication::sendEvent(d->canvasWidget, event)) {
                emit interactionStarted();
                return true;
            }
        }
    }
    return QDeclarativeItem::sceneEvent(event);
}
static QEvent *cloneEvent(QEvent *e)
{
    switch (e->type()) {
    case QEvent::MouseButtonPress:
    case QEvent::MouseButtonRelease:
    case QEvent::MouseButtonDblClick:
    case QEvent::MouseMove:
        return new QMouseEvent(*static_cast<QMouseEvent*>(e));
    case QEvent::KeyPress:
    case QEvent::KeyRelease:
        return new QKeyEvent(*static_cast<QKeyEvent*>(e));
    case QEvent::FocusIn:
    case QEvent::FocusOut:
        return new QFocusEvent(*static_cast<QFocusEvent*>(e));
    case QEvent::Enter:
        return new QEvent(*e);
    case QEvent::Leave:
        return new QEvent(*e);
        break;
    case QEvent::Paint:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Move:
        return new QMoveEvent(*static_cast<QMoveEvent*>(e));
    case QEvent::Resize:
        return new QResizeEvent(*static_cast<QResizeEvent*>(e));
    case QEvent::Create:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Destroy:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Show:
        return new QShowEvent(*static_cast<QShowEvent*>(e));
    case QEvent::Hide:
        return new QHideEvent(*static_cast<QHideEvent*>(e));
    case QEvent::Close:
        return new QCloseEvent(*static_cast<QCloseEvent*>(e));
    case QEvent::Quit:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ParentChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ParentAboutToChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ThreadChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::WindowActivate:
    case QEvent::WindowDeactivate:
        return new QEvent(*e);

    case QEvent::ShowToParent:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::HideToParent:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Wheel:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::WindowTitleChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::WindowIconChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ApplicationWindowIconChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ApplicationFontChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ApplicationLayoutDirectionChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ApplicationPaletteChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::PaletteChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Clipboard:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Speech:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::MetaCall:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::SockAct:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::WinEventAct:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::DeferredDelete:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::DragEnter:
        return new QDragEnterEvent(*static_cast<QDragEnterEvent*>(e));
    case QEvent::DragMove:
        return new QDragMoveEvent(*static_cast<QDragMoveEvent*>(e));
    case QEvent::DragLeave:
        return new QDragLeaveEvent(*static_cast<QDragLeaveEvent*>(e));
    case QEvent::Drop:
        return new QDropEvent(*static_cast<QDragMoveEvent*>(e));
    case QEvent::DragResponse:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ChildAdded:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ChildPolished:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#ifdef QT3_SUPPORT
    case QEvent::ChildInsertedRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ChildInserted:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LayoutHint:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif
    case QEvent::ChildRemoved:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ShowWindowRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::PolishRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Polish:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LayoutRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::UpdateRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::UpdateLater:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::EmbeddingControl:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ActivateControl:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::DeactivateControl:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ContextMenu:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::InputMethod:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::AccessibilityPrepare:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::TabletMove:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LocaleChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LanguageChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LayoutDirectionChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::Style:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::TabletPress:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::TabletRelease:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::OkRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::HelpRequest:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::IconDrag:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::FontChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::EnabledChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ActivationChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::StyleChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::IconTextChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ModifiedChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::MouseTrackingChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::WindowBlocked:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::WindowUnblocked:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::WindowStateChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ToolTip:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::WhatsThis:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::StatusTip:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ActionChanged:
    case QEvent::ActionAdded:
    case QEvent::ActionRemoved:
        return new QActionEvent(*static_cast<QActionEvent*>(e));

    case QEvent::FileOpen:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::Shortcut:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ShortcutOverride:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

#ifdef QT3_SUPPORT
    case QEvent::Accel:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::AccelAvailable:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif

    case QEvent::WhatsThisClicked:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ToolBarChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ApplicationActivate:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ApplicationDeactivate:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::QueryWhatsThis:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::EnterWhatsThisMode:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LeaveWhatsThisMode:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ZOrderChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::HoverEnter:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::HoverLeave:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::HoverMove:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::AccessibilityHelp:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::AccessibilityDescription:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

#ifdef QT_KEYPAD_NAVIGATION
    case QEvent::EnterEditFocus:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::LeaveEditFocus:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif
    case QEvent::AcceptDropsChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::MenubarUpdated:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ZeroTimerEvent:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::GraphicsSceneMouseMove:
    case QEvent::GraphicsSceneMousePress:
    case QEvent::GraphicsSceneMouseRelease:
    case QEvent::GraphicsSceneMouseDoubleClick: {
        QGraphicsSceneMouseEvent *me = static_cast<QGraphicsSceneMouseEvent*>(e);
        QGraphicsSceneMouseEvent *me2 = new QGraphicsSceneMouseEvent(me->type());
        me2->setWidget(me->widget());
        me2->setPos(me->pos());
        me2->setScenePos(me->scenePos());
        me2->setScreenPos(me->screenPos());
// ### for all buttons
        me2->setButtonDownPos(Qt::LeftButton, me->buttonDownPos(Qt::LeftButton));
        me2->setButtonDownPos(Qt::RightButton, me->buttonDownPos(Qt::RightButton));
        me2->setButtonDownScreenPos(Qt::LeftButton, me->buttonDownScreenPos(Qt::LeftButton));
        me2->setButtonDownScreenPos(Qt::RightButton, me->buttonDownScreenPos(Qt::RightButton));
        me2->setLastPos(me->lastPos());
        me2->setLastScenePos(me->lastScenePos());
        me2->setLastScreenPos(me->lastScreenPos());
        me2->setButtons(me->buttons());
        me2->setButton(me->button());
        me2->setModifiers(me->modifiers());
        return me2;
    }

    case QEvent::GraphicsSceneContextMenu: {
        QGraphicsSceneContextMenuEvent *me = static_cast<QGraphicsSceneContextMenuEvent*>(e);
        QGraphicsSceneContextMenuEvent *me2 = new QGraphicsSceneContextMenuEvent(me->type());
        me2->setWidget(me->widget());
        me2->setPos(me->pos());
        me2->setScenePos(me->scenePos());
        me2->setScreenPos(me->screenPos());
        me2->setModifiers(me->modifiers());
        me2->setReason(me->reason());
        return me2;
    }

    case QEvent::GraphicsSceneHoverEnter:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneHoverMove:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneHoverLeave:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneHelp:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneDragEnter:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneDragMove:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneDragLeave:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneDrop:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneWheel:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::KeyboardLayoutChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::DynamicPropertyChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::TabletEnterProximity:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::TabletLeaveProximity:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::NonClientAreaMouseMove:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::NonClientAreaMouseButtonPress:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::NonClientAreaMouseButtonRelease:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::NonClientAreaMouseButtonDblClick:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::MacSizeChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::ContentsRectChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::MacGLWindowChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::FutureCallOut:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::GraphicsSceneResize:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::GraphicsSceneMove: {
        QGraphicsSceneMoveEvent *me = static_cast<QGraphicsSceneMoveEvent*>(e);
        QGraphicsSceneMoveEvent *me2 = new QGraphicsSceneMoveEvent();
        me2->setWidget(me->widget());
        me2->setNewPos(me->newPos());
        me2->setOldPos(me->oldPos());
        return me2;
    }

    case QEvent::CursorChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    case QEvent::ToolTipChange:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::NetworkReplyUpdated:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;

    case QEvent::GrabMouse:
    case QEvent::UngrabMouse:
    case QEvent::GrabKeyboard:
    case QEvent::UngrabKeyboard:
        return new QEvent(*e);

#if defined(QT_MAC_USE_COCOA) && (QT_VERSION >= 0x040500)
    case QEvent::CocoaRequestModal:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
#endif
    case QEvent::User:
    case QEvent::MaxUser:
        Q_ASSERT_X(false, "cloneEvent()", "not implemented");
        break;
    default:
        ;
    }
    return qcoreStateMachineHandler()->cloneEvent(e);
}
Beispiel #7
0
bool ScrollerPrivate::eventFilter(QObject *obj, QEvent *event)
{
    if (obj != m_scrollArea
        || (event->type() != QEvent::GraphicsSceneMouseMove
            && event->type() != QEvent::GraphicsSceneMousePress
            && event->type() != QEvent::GraphicsSceneMouseRelease
            /*&& event->type() != QEvent::GraphicsSceneKeyPressed
            && event->type() != QEvent::GraphicsSceneKeyReleased*/))
        return false;

    QGraphicsSceneMouseEvent* mouseEvent = 
        static_cast<QGraphicsSceneMouseEvent*>(event);

    m_eventViewport = mouseEvent->widget();

    bool eventConsumed = false;

    switch (m_state) {
    case ScrollerPrivate::Stopped:
        if (mouseEvent->type() == QEvent::GraphicsSceneMousePress &&
            mouseEvent->buttons() == Qt::LeftButton) {
            m_cursorPos = QCursor::pos();
            m_speed = QPointF(0.0, 0.0);
            m_state = Started;
        }

        eventConsumed = true;
        break;

    case ScrollerPrivate::Started:
        if (mouseEvent->type() == QEvent::GraphicsSceneMouseMove) {
            m_cursorPos = QCursor::pos();
            m_state = ManualScrolling;

            if (!m_scrollTimer.isActive()) 
                m_scrollTimer.start(UpdateScrollingInterval);
            else {
                m_scrollTimer.stop();
                m_scrollTimer.start(UpdateScrollingInterval);
            }

        } else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
            m_speed = QPoint(0, 0);
            m_state = Stopped;

            if (m_scrollTimer.isActive())
                m_scrollTimer.stop();
        }
        eventConsumed = true;
        break;

    case ScrollerPrivate::ManualScrolling:
        if (mouseEvent->type() == QEvent::GraphicsSceneMouseMove &&
            m_scrollArea->viewport()->boundingRect().contains(mouseEvent->pos()) ) {

            ScrollBar *hscroll = m_scrollArea->horizontalScrollBar();
            ScrollBar *vscroll = m_scrollArea->verticalScrollBar();

            QPointF d = m_scrollFactor * (mapToScrollArea(QCursor::pos()) - mapToScrollArea(m_cursorPos)); 

            hscroll->setSliderPosition(hscroll->sliderPosition() - d.x());
            vscroll->setSliderPosition(vscroll->sliderPosition() - d.y());

            if (m_lastCursorTime.elapsed() > UpdateScrollingInterval) {
                m_speed = mapToScrollArea(QCursor::pos()) - mapToScrollArea(m_cursorPos);
                m_lastCursorTime.restart();
            }

            m_lastFrameTime.restart();

            m_cursorPos = QCursor::pos();
        } else if (mouseEvent->type() == QEvent::GraphicsSceneMouseRelease) {
            m_state = AutoScrolling;
            m_scrollSlowAccum = 0;
            if (m_scrollTimer.isActive()) {
                m_scrollTimer.stop();
                m_scrollTimer.start(UpdateScrollingSmoothInterval);
            }
        }
        eventConsumed = true;
        break;

    case ScrollerPrivate::AutoScrolling:
        if (mouseEvent->type() == QEvent::GraphicsSceneMousePress) {
            stopScrolling();
        } else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
            m_state = Stopped;
        }
        eventConsumed  = true;
        break;

    default:
        break;
    }

    return eventConsumed;
}