void
Zoom3D::StartLeftButtonAction()
{
DisableSpinMode();
// If shift is pressed, pan, otherwise rubber band zoom. The pan
// action matches the Navigate2D/3D modes. Save which one we did so
// we can issue the proper "End.." statement when the button is
// released.
if (Interactor->GetShiftKey())
{
StartBoundingBox();
StartPan();
shiftPressed = true;
}
// NOTE: the shift and ctrl go into the rubberband zoom and affect
// whether one gets a rectangle (shift) or zooms out (ctrl). At
// this point the shift is intercepted above to pan which matches
// the Navigate2D/3D modes.
else
{
int x, y;
Interactor->GetEventPosition(x, y);
StartZoom();
StartRubberBand(x, y);
}
}
void
Zoom3D::StartLeftButtonAction()
{
DisableSpinMode();
//
// If ctrl or shift is pushed, pan, otherwise zoom. Save which one we
// did so we can issue the proper "End.." statement when the button is
// released.
//
if (Interactor->GetControlKey() || Interactor->GetShiftKey())
{
StartBoundingBox();
StartPan();
ctrlOrShiftPushed = true;
}
else
{
int x, y;
Interactor->GetEventPosition(x, y);
StartZoom();
StartRubberBand(x, y);
ctrlOrShiftPushed = false;
}
}
void
FlyThrough::OnTimer(void)
{
vtkRenderWindowInteractor *rwi = Interactor;
int Pos[2];
rwi->GetEventPosition(Pos);
bool matchedUpState = true;
switch (State)
{
case VTKIS_ROTATE:
RotateAboutCamera3D(Pos[0], Pos[1]);
rwi->CreateTimer(VTKI_TIMER_UPDATE);
break;
case VTKIS_PAN:
PanCamera3D(Pos[0], Pos[1]);
rwi->CreateTimer(VTKI_TIMER_UPDATE);
break;
case VTKIS_ZOOM:
DollyCameraAndFocus3D(Pos[0], Pos[1]);
rwi->CreateTimer(VTKI_TIMER_UPDATE);
break;
default:
matchedUpState = false;
break;
}
if (!matchedUpState && shouldSpin)
{
VisWindow *vw = proxy;
if(!vw->GetSpinModeSuspended())
{
if (vw->GetSpinMode())
{
OldX = spinOldX;
OldY = spinOldY;
RotateAboutCamera3D(spinNewX, spinNewY);
rwi->CreateTimer(VTKI_TIMER_UPDATE);
}
else
{
DisableSpinMode();
}
}
else if(vw->GetSpinMode())
{
// Don't mess with the camera, just create another timer so
// we keep getting into this method until spin mode is no
// longer suspended.
rwi->CreateTimer(VTKI_TIMER_UPDATE);
}
}
}
void
FlyThrough::StartMiddleButtonAction()
{
DisableSpinMode();
StartBoundingBox();
StartZoom();
}
void
FlyThrough::StartLeftButtonAction()
{
DisableSpinMode();
StartBoundingBox();
//
// If ctrl or shift is pushed, pan, otherwise rotate. Save which one we
// did so we can issue the proper "End.." statement when the button is
// released.
//
if (Interactor->GetControlKey()|| Interactor->GetShiftKey())
{
StartPan();
ctrlOrShiftPushed = true;
}
else
{
StartRotate();
ctrlOrShiftPushed = false;
}
}