ControlHandle Control::GetChildAtPoint(const Point& point)
{
for(unsigned long i = 0; i < mChilds.GetSize(); ++i)
if(mChilds[i]->PointIn(point) && mChilds[i]->GetEnabled() && mChilds[i]->GetVisible())
return mChilds[i];
if(PointIn(point) && GetEnabled() && GetVisible())
return this;
return NULL;
}
bool Block :: IsIntersect( Block* apBlock )
{
float distance = ( apBlock -> GetPosf() - mPosF ).Length();
if ( distance - Geometry :: eps > Block :: SAFETY_DISTANCE )
return false;
if ( distance < Block :: NOT_SAFETY_DISTANCE - Geometry :: eps )
return true;
for ( unsigned int i = 0; i < BLOCKS_VERTEX_CNT; i++ )
if ( apBlock -> PointIn( mVerticesF[ i ] ) || PointIn( apBlock -> mVerticesF[ i ] ) )
return true;
return this -> CheckEdgesAveragePoint( apBlock ) || apBlock -> CheckEdgesAveragePoint( this );
}
bool Block :: PointIn( Point3Di aPoint )
{
return PointIn( Point3Df( aPoint ) );
}
bool TrackBar::OnEventMouse(Event event,WPARAM wparam,LPARAM lparam)
{
if(!GetVisible() || !GetEnabled())
return false;
switch(event)
{
case EventLeftButtonDown:
if(PointInTrack(*(Point*)wparam))
{
if(!GetFocused())
Focus();
mTracking = true;
mTrackingValue = mValue;
mTrackingPosition = ((Point*)wparam)->x - GetTrackBox().GetCenter().x;
SetCapture(GetKernel()->GetWindowHandle());
return true;
}
if(PointIn(*(Point*)wparam))
{
if(!GetFocused())
Focus();
if(((Point*)wparam)->x > GetTrackBox().GetCenter().x)
{
if(GetTrackValue() < GetTrackRange())
SetTrackValue(GetTrackValue() + 1);
}
else
{
if(GetTrackValue())
SetTrackValue(GetTrackValue() - 1);
}
return true;
}
break;
case EventLeftButtonUp:
if(mTracking)
{
mTracking = false;
ReleaseCapture();
return true;
}
break;
case EventMouseMove:
if(mTracking)
{
Point delta = *(Point*)wparam;
delta.x -= GetScreenPosition().x + mTrackingPosition;
float val = (float)GetBoundingBox().GetWidth() / (float)GetTrackRange();
if((float)delta.x / val > (float)GetTrackRange())
SetTrackValue(GetTrackRange());
else if((float)delta.x / val < 0.0f)
SetTrackValue(0);
else
SetTrackValue((float)delta.x / val);
if(GetParent())
GetParent()->OnEvent(EventChildCommand,ControlEventTrackChange,(LPARAM)this);
}
break;
}
return Control::OnEventMouse(event,wparam,lparam);
}
