// ****************************************************************************
//
// Function Name: RWindowView::OnAutoScrollTimer( )
//
// Description: Called by the autoscroll timer when its timer elapses
//
// Returns: Nothing
//
// Exceptions: None
//
// ****************************************************************************
//
void RWindowView::OnAutoScrollTimer( )
{
// Get the modifier key state
YModifierKey modifierKeys = GetModifierKeyState( );
// Get the current mouse position in both device coordinates and local coordinates
#ifdef _WINDOWS
POINT pt;
::GetCursorPos( &pt );
GetCWnd( ).ScreenToClient( &pt );
RRealPoint devicePoint = RRealPoint( pt.x, pt.y );
RRealPoint localPoint = devicePoint;
::DeviceUnitsToLogicalUnits( localPoint, *this );
localPoint = ConvertPointToLocalCoordinateSystem( localPoint );
#endif
// Get the direction to autoscroll
EDirection autoScrollDirection = GetAutoScrollDirection( localPoint );
// If the left button is no longer down, or we are not moving in the same direction,
// kill the timer.
if( !( IsMouseCaptured() /*modifierKeys & kModifierLeftButton*/ ) || !( autoScrollDirection & m_AutoScrollDirection ) )
{
delete m_pAutoScrollTimer;
m_pAutoScrollTimer = 0;
}
// Otherwise, we are good to autoscroll. Simulate a mouse move event
else
OnXMouseMessage( kMouseMove, devicePoint, modifierKeys );
}
// ****************************************************************************
//
// Function Name: RSingleSelection::GetRotateHandleCenterPoint( )
//
// Description: Retrieves the center point of the rotate handle
//
// Returns: See above
//
// Exceptions: Nothing
//
// ****************************************************************************
//
RRealPoint RSingleSelection::GetRotateHandleCenterPoint( ) const
{
// Get the bounding rect and center point
YSelectionBoundingRect boundingRect;
GetSelectionBoundingRect( boundingRect );
RRealPoint centerPoint = boundingRect.GetCenterPoint( );
// We are going to use ratios of similar triangles to calculate the position of the rotate handle
YRealDimension deltaX = boundingRect.m_BottomRight.m_x - boundingRect.m_BottomLeft.m_x;
YRealDimension deltaY = boundingRect.m_BottomRight.m_y - boundingRect.m_BottomLeft.m_y;
YRealDimension deltaXPrime = deltaX * ( 0.5 + kRotateHandleLineLengthRatio );
YRealDimension deltaYPrime = deltaY * ( 0.5 + kRotateHandleLineLengthRatio );
return RRealPoint( centerPoint.m_x + deltaXPrime, centerPoint.m_y + deltaYPrime );
}
