Hello, I'm trying to use the mouse scroll button as if it was the right mouse button. All I want to do is move the camera closer and further with the mouse scroll button... The problem is that I don't receive the events by just moving the scroll. In order to get the event I need to press a button (either keyboard or mouse), once a button is pressed I will get all the events in the queue.
Has anyone done something like this?
Here is the code from my modified trackball manipulator:
bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& us)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::FRAME):
if (_thrown)
{
if (calcMovement())
us.requestRedraw();
}
return false;
default:
break;
}
if (ea.getHandled()) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::PUSH):
{
flushMouseEventStack();
addMouseEvent(ea);
if (calcMovement()) us.requestRedraw();
us.requestContinuousUpdate(false);
_thrown = false;
return true;
}
case(osgGA::GUIEventAdapter::SCROLL):
{
int x = 0;
//Here I have a brakpoint :)
//_distance += 100.0f;
return true;
}
//
case(osgGA::GUIEventAdapter::KEYDOWN):
if (ea.getKey()==
osgGA::GUIEventAdapter::KEY_Space)
{
flushMouseEventStack();
_thrown = false;
home(ea,us);
return true;
}
return false;
Thank you very much
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