RayMenuTool::RayMenuTool(const ToolFactory* factory,const ToolInputAssignment& inputAssignment)
:MenuTool(factory,inputAssignment),
GUIInteractor(isUseEyeRay(),getRayOffset(),getButtonDevice(0))
{
/* Set the interaction device: */
interactionDevice=getButtonDevice(0);
}
void RayMenuTool::buttonCallback(int,InputDevice::ButtonCallbackData* cbData)
{
if(cbData->newButtonState) // Button has just been pressed
{
/* Check if the GUI interactor refuses the event: */
GUIInteractor::updateRay();
if(!(factory->interactWithWidgets&&GUIInteractor::buttonDown(false)))
{
/* Try activating this tool: */
if(GUIInteractor::canActivate()&&activate())
{
/***************************************************************
Pop up the tool's menu at the appropriate position and
orientation:
***************************************************************/
if(isUseEyeRay()||interactionDevice->isRayDevice())
{
/* Pop up the menu at the ray's intersection with the UI plane: */
popupPrimaryWidget(menu->getPopup(),calcRayPoint(GUIInteractor::getRay()),false);
}
else
{
/* Pop up the menu: */
popupPrimaryWidget(menu->getPopup(),GUIInteractor::getRay()(factory->initialMenuOffset),false);
}
/* Grab the pointer: */
getWidgetManager()->grabPointer(menu->getPopup());
/* Force the event on the GUI interactor: */
GUIInteractor::buttonDown(true);
}
}
}
else // Button has just been released
{
/* Check if the GUI interactor is active: */
if(GUIInteractor::isActive())
{
/* Deliver the event: */
GUIInteractor::buttonUp();
/* Check if the tool's menu is popped up: */
if(MenuTool::isActive())
{
/* Release the pointer: */
getWidgetManager()->releasePointer(menu->getPopup());
/* Pop down the menu: */
getWidgetManager()->popdownWidget(menu->getPopup());
/* Deactivate the tool: */
deactivate();
}
}
}
}
ScrollTool::ScrollTool(const ToolFactory* factory,const ToolInputAssignment& inputAssignment)
:UserInterfaceTool(factory,inputAssignment),
GUIInteractor(isUseEyeRay(),getRayOffset(),getValuatorDevice(0)),
valuatorDevice(0),
sendingEvents(false)
{
/* Set the interaction device: */
interactionDevice=getValuatorDevice(0);
}
Point RayMenuTool::calcHotSpot(void) const
{
if(isUseEyeRay()||interactionDevice->isRayDevice())
{
/* Return the ray's intersection with the UI plane: */
return calcRayPoint(GUIInteractor::getRay());
}
else
{
/* Return a position in front of the input device: */
return GUIInteractor::getRay()(factory->initialMenuOffset);
}
}
Point RayMenuTool::calcHotSpot(void) const
{
if(isUseEyeRay()||interactionDevice->isRayDevice())
{
/* Find the intersection point of the interaction ray and a screen: */
std::pair<VRScreen*,Scalar> si=findScreen(GUIInteractor::getRay());
if(si.first!=0)
return GUIInteractor::getRay()(si.second);
else
return getDisplayCenter();
}
else
{
/* Return a position in front of the input device: */
return GUIInteractor::getRay()(factory->initialMenuOffset);
}
}
