void CXySlider::DoDrag(CPoint point)
{
CPoint pt0 = point;
HighlightGripper(true);
CSize inGripper = pt0 - GetGripperRect().CenterPoint();
CPoint ptMin(m_zero - m_range + inGripper);
CPoint ptMax(m_zero + m_range + inGripper);
SetCapture();
while(true)
{
MSG msg;
if(!GetMessage(&msg, NULL, 0, 0))
{
break;
}
if(msg.message == WM_LBUTTONUP)
{
break;
}
if(GetCapture() != this)
{
break;
}
if(msg.message == WM_MOUSEMOVE)
{
CPoint pt = msg.pt;
ScreenToClient(&pt);
CheckMinMax(pt.x, ptMin.x, ptMax.x);
CheckMinMax(pt.y, ptMin.y, ptMax.y);
int dx = pt.x - pt0.x;
int dy = pt.y - pt0.y;
DoMoveBy(dx, dy);
pt0 = pt;
}
else
{
DispatchMessage(&msg);
}
}
ReleaseCapture();
HighlightGripper(false);
}
void CXySlider::DoMoveBy(int cx, int cy)
{
m_pos.x += cx;
CheckMinMax(m_pos.x, -m_range.cx, m_range.cx);
m_pos.y += cy;
CheckMinMax(m_pos.y, - m_range.cy, m_range.cy);
RedrawWindow();
CPoint oldpos = m_externalPos;
InternToExtern();
if(m_externalPos != oldpos)
{
NotifyParent();
}
}
CBox::CBox(int iMin, int jMin, int kMin, int iMax, int jMax, int kMax, const Simbox* pSBox) {
CheckMinMax(iMin, jMin, kMin, iMax, jMax, kMax);
if (!pSBox)
return;
TruncateIndex(iMin_, jMin_, kMin_, pSBox);
TruncateIndex(iMax_, jMax_, kMax_, pSBox);
}
