void ViewCanvas::OnMouseMove(wxMouseEvent& e)
{
// Grab focus on mouse move if our top level window is active
if ( !m_Focused )
{
wxWindow* parent = GetParent();
while ( !parent->IsTopLevel() )
parent = parent->GetParent();
wxTopLevelWindow* topLevel = reinterpret_cast< wxTopLevelWindow* >( parent );
if ( topLevel->IsActive() )
{
SetFocus();
}
}
if (m_Focused)
{
Helium::MouseMoveInput input;
Helium::ConvertEvent( e, input );
m_Viewport.MouseMove( input );
e.Skip( input.GetSkipped() );
Refresh();
Update();
}
}
///////////////////////////////////////////////////////////////////////////////
// Move the camera.
//
void RenderWindow::OnMouseMove( wxMouseEvent& args )
{
args.Skip();
if ( HasCapture() )
{
Helium::MouseMoveInput input;
Helium::ConvertEvent( args, input );
m_Camera.MouseMove( input );
args.Skip( input.GetSkipped() );
Refresh();
}
}
void Viewport::MouseMove( const Helium::MouseMoveInput& input )
{
// this sucks, be we don't get a keyup for alt
if (m_DragMode == DragModes::Camera && !input.AltIsDown())
{
m_DragMode = DragModes::None;
}
int highlightStartX = -1, highlightStartY = -1, highlightEndX = -1, highlightEndY = -1;
switch (m_DragMode)
{
case DragModes::None:
{
// setup highlight
if ( m_Highlighting && (!m_Tool || m_Tool->AllowSelection()) )
{
highlightStartX = highlightEndX = input.GetPosition().x;
highlightStartY = highlightEndY = input.GetPosition().y;
}
if ( m_Tool )
{
m_Tool->MouseMove( input );
}
break;
}
case DragModes::Select:
{
m_End = Point (input.GetPosition().x, input.GetPosition().y);
m_SelectionFrame->m_End = m_End;
m_SelectionFrame->Update();
if ( !m_Tool || m_Tool->AllowSelection() )
{
// setup highlight
highlightStartX = m_SelectionFrame->m_Start.x;
highlightStartY = m_SelectionFrame->m_Start.y;
highlightEndX = input.GetPosition().x;
highlightEndY = input.GetPosition().y;
}
break;
}
case DragModes::Camera:
{
if (input.AltIsDown())
{
m_Cameras[m_CameraMode].MouseMove( input );
}
break;
}
case DragModes::Tool:
{
if (m_Tool)
{
if ( m_Tool->AllowSelection() )
{
// setup highlight
highlightStartX = highlightEndX = input.GetPosition().x;
highlightStartY = highlightEndY = input.GetPosition().y;
}
m_Tool->MouseMove( input );
}
else
{
HELIUM_BREAK();
}
break;
}
}
if (highlightStartX != -1 && highlightStartY != -1 && highlightEndX != -1 && highlightEndY != -1)
{
PickVisitor* pick = NULL;
SelectionTargetMode targetMode = SelectionTargetModes::Single;
if (highlightStartX == highlightEndX && highlightStartY == highlightEndY)
{
pick = new FrustumLinePickVisitor (&m_Cameras[m_CameraMode], highlightStartX, highlightStartY);
targetMode = SelectionTargetModes::Single;
}
else
{
Frustum worldSpaceFrustum;
if ( m_Cameras[m_CameraMode].ViewportToFrustum( (float32_t)highlightStartX, (float32_t)highlightStartY, (float32_t)highlightEndX, (float32_t)highlightEndY, worldSpaceFrustum) )
{
Point center ( Point (highlightStartX, highlightStartY) + Point (highlightEndX, highlightEndY) / 2 );
Line line;
m_Cameras[m_CameraMode].ViewportToLine( (float32_t)center.x, (float32_t)center.y, line);
pick = new FrustumLinePickVisitor( &m_Cameras[m_CameraMode], line, worldSpaceFrustum );
targetMode = SelectionTargetModes::Multiple;
}
}
if (pick)
{
SetHighlightArgs args (pick, targetMode);
m_SetHighlight.Raise( args );
delete pick;
pick = NULL;
}
}
}