/**
* Verarbeitung eines Mausereignisses.
* Durch Bewegung der Maus bei gedrueckter Maustaste kann die aktuelle
* Zeichenfarbe beeinflusst werden.
* Falls Debugging aktiviert ist, wird jedes Mausereignis auf stdout
* ausgegeben.
* @param x x-Position des Mauszeigers zum Zeitpunkt der Ereignisausloesung.
* @param y y-Position des Mauszeigers zum Zeitpunkt der Ereignisausloesung.
* @param eventType Typ des Ereignisses.
* @param button ausloesende Maustaste (nur bei Ereignissen vom Typ mouseButton).
* @param buttonState Status der Maustaste (nur bei Ereignissen vom Typ mouseButton).
*/
static void
handleMouseEvent (int x, int y, CGMouseEventType eventType, int button, int buttonState)
{
switch (eventType)
{
case mouseButton:
switch (button)
{
case GLUT_LEFT_BUTTON:
setMouseEvent(MOVE,x,y);
break;
case GLUT_RIGHT_BUTTON:
setMouseEvent(ZOOM,x,y);
break;
}
break;
}
if (buttonState)
setMouseEvent(NONE,x,y);
}
/**
* Handler for mouse double click events.
* The current association or widget is set (if any), and events are
* delivered to the specific methods, depending on where the cursor was pressed.
* After delivering the events, the current association or widget is cleaned.
*
* @param ome The received event.
*/
void ToolBarState::mouseDoubleClick(UMLSceneMouseEvent* ome)
{
setMouseEvent(ome, QEvent::MouseButtonDblClick);
UMLWidget* currentWidget = m_pUMLScene->widgetAt(m_pMouseEvent->pos());
AssociationWidget* currentAssociation = getAssociationAt(m_pMouseEvent->pos());
if (currentWidget) {
setCurrentWidget(currentWidget);
mouseDoubleClickWidget();
setCurrentWidget(0);
} else if (currentAssociation) {
setCurrentAssociation(currentAssociation);
mouseDoubleClickAssociation();
setCurrentAssociation(0);
} else {
mouseDoubleClickEmpty();
}
}
/**
* Handler for mouse release events.
* Mouse tracking is disabled and the position of the cursor set.
* The events are delivered to the specific methods, depending on where the
* cursor was released, and the current association or widget cleaned.
* Finally, the current tool is changed if needed.
*
* @param ome The received event.
*/
void ToolBarState::mouseRelease(UMLSceneMouseEvent* ome)
{
setMouseEvent(ome, QEvent::MouseButtonRelease);
// Set the position of the mouse
// TODO, should only be available in this state?
m_pUMLScene->setPos(m_pMouseEvent->pos());
m_pUMLScene->viewport()->setMouseTracking(false);
if (getCurrentWidget()) {
mouseReleaseWidget();
setCurrentWidget(0);
} else if (getCurrentAssociation()) {
mouseReleaseAssociation();
setCurrentAssociation(0);
} else {
mouseReleaseEmpty();
}
// Default, rightbutton changes the tool.
// The arrow tool overrides the changeTool() function.
changeTool();
}
