void COXDragDockContext::Move(CPoint pt)
{
CPoint ptOffset = pt - m_ptLast;
#ifdef _MAC
// prevent dragging the floating window completely under the menu bar
GDHandle hgd = _AfxFindDevice(pt.x, pt.y);
if (hgd == NULL || hgd == GetMainDevice() ||
TestDeviceAttribute(hgd, hasAuxMenuBar))
{
CRect rect;
if ((HORZF(m_dwStyle) && !m_bFlip) || (VERTF(m_dwStyle) && m_bFlip))
rect = m_rectFrameDragHorz;
else
rect = m_rectFrameDragVert;
// determine our new position
rect.OffsetRect(ptOffset);
// keep us on the screen if we were getting too close to the menu bar
int yMBarBottom = (*hgd)->gdRect.top + GetMBarHeight() + 4;
if (rect.bottom < yMBarBottom)
{
pt.y += yMBarBottom - rect.bottom;
ptOffset.y += yMBarBottom - rect.bottom;
}
}
#endif
// offset all drag rects to new position
m_rectDragHorz.OffsetRect(ptOffset);
m_rectFrameDragHorz.OffsetRect(ptOffset);
m_rectDragVert.OffsetRect(ptOffset);
m_rectFrameDragVert.OffsetRect(ptOffset);
// these rectangles only move in 1 direction
m_rectDragHorzAlone.top += ptOffset.y;
m_rectDragHorzAlone.bottom += ptOffset.y;
m_rectDragVertAlone.left += ptOffset.x;
m_rectDragVertAlone.right += ptOffset.x;
m_ptLast = pt;
// if control key is down don't dock
m_dwOverDockStyle = m_bForceFrame ? 0 : CanDock();
// update feedback
DrawFocusRect();
}
void CControlBar::ShowToolTip(CPoint point, UINT nHit)
{
EnterCriticalSection(_afxCriticalSection);
ASSERT(m_bDelayDone); // delay should have been done
if (nHit != m_nHitLast || m_pBarLast != this)
{
// always destroy the tooltip and re-create so CS_SAVEBITS works
DestroyToolTip(FALSE, FALSE);
ASSERT(m_pToolTip == NULL);
if (m_dwStyle & CBRS_TOOLTIPS)
m_pToolTip = CreateToolTip();
m_nHitLast = nHit;
m_pBarLast = this;
if (m_pToolTip != NULL)
{
// get tooltip text with WM_NOTIFY, TTN_NEEDTEXT
TOOLTIPTEXT tooltext =
{ NULL, NULL, TTN_NEEDTEXT, NULL, _T(""), NULL, 0 };
tooltext.hdr.hwndFrom = m_hWnd;
tooltext.hdr.idFrom = nHit;
GetOwner()->SendMessage(WM_NOTIFY, nHit, (LPARAM)&tooltext);
if (tooltext.hinst != NULL)
{
::LoadString(tooltext.hinst,
(WORD)(DWORD)tooltext.lpszText, tooltext.szText,
_countof(tooltext.szText));
tooltext.lpszText = tooltext.szText;
}
else if (tooltext.lpszText == NULL)
tooltext.lpszText = tooltext.szText;
if (lstrlen(tooltext.lpszText) != 0)
{
// tooltip window will adjust its size during WM_SETTEXT
m_pToolTip->SetWindowText(tooltext.lpszText);
CRect rect;
m_pToolTip->GetWindowRect(rect);
// allow the bar to determine the center point of the hit
CPoint ptCenter(SHRT_MIN, SHRT_MIN);
ScreenToClient(&point);
VERIFY(nHit == OnCmdHitTest(point, &ptCenter));
ClientToScreen(&point);
if (ptCenter.x != SHRT_MIN)
point.x = ptCenter.x - rect.Width()/2;
if (ptCenter.y != SHRT_MIN)
point.y = ptCenter.y - rect.Height()/2;
// should be below mouse pointer
int yAdjust = +(::GetSystemMetrics(SM_CYMENU) * 5) / 4;
if (ptCenter.y == SHRT_MIN)
point.y += yAdjust;
// make sure the window is not off the screen
int xScreenRight = ::GetSystemMetrics(SM_CXSCREEN);
int yScreenBottom = ::GetSystemMetrics(SM_CYSCREEN);
#ifdef _MAC
GDHandle hgd = _AfxFindDevice(point.x, point.y);
if (hgd != NULL)
{
xScreenRight = (*hgd)->gdRect.right;
yScreenBottom = (*hgd)->gdRect.bottom;
}
#endif
if (point.x + rect.Width() > xScreenRight)
point.x -= point.x + rect.Width() - xScreenRight;
if (point.y + rect.Height() > yScreenBottom)
point.y -= yAdjust + yAdjust/2 + rect.Height();
// show it and update it
m_pToolTip->SetWindowPos(NULL, point.x, point.y, 0, 0,
SWP_NOSIZE|SWP_NOZORDER|SWP_SHOWWINDOW|SWP_NOACTIVATE);
m_pToolTip->UpdateWindow();
}
}
if (m_dwStyle & CBRS_FLYBY)
{
// finally, update message line status
GetOwner()->SendMessage(WM_SETMESSAGESTRING, nHit);
m_bStatusSet = TRUE;
}
}
LeaveCriticalSection(_afxCriticalSection);
}
