void CApplicationImpl::AddItemWindow(HWND hWnd)
{
// Calculate position of the new item window.
CPoint pointTopLeft(0, 0);
if (m_listItemWindows.empty())
{
CWindow(hWnd).CenterWindow();
pointTopLeft = CWindowRect(hWnd).TopLeft();
}
else
{
CWindowRect rcLast(m_listItemWindows.back().first);
pointTopLeft.x = max(pointTopLeft.x, rcLast.left);
pointTopLeft.y = max(pointTopLeft.y, rcLast.top);
pointTopLeft.Offset(GetSystemMetrics(SM_CYCAPTION), GetSystemMetrics(SM_CYCAPTION));
CWindowRect rc(hWnd);
rc.OffsetRect(pointTopLeft);
CWindowRect rcDesktop(GetDesktopWindow());
if (!rcDesktop.PtInRect(rc.BottomRight()))
{
pointTopLeft.SetPoint(0, 0);
}
SetWindowPos(hWnd, NULL, pointTopLeft.x, pointTopLeft.y, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
}
// add to the list
m_listItemWindows.push_back(std::make_pair(hWnd, pointTopLeft));
}
void winutils::AdjustScreenRect(CRect& rc)
{
CWindowRect rcDesktop(::GetDesktopWindow());
CWindowRect rcTaskBar(::FindWindow(_T("Shell_TrayWnd"), NULL));
CRect rcDesk;
rcDesk.SubtractRect(rcDesktop, rcTaskBar);
if (rc.right > rcDesk.right)
{
rc.MoveToX(rcDesk.right - rc.Width());
}
if (rc.bottom > rcDesk.bottom)
{
rc.MoveToY(rcDesk.bottom - rc.Height());
}
if (rc.left < rcDesk.left)
{
rc.MoveToX(rcDesk.left);
}
if (rc.top < rcDesk.top)
{
rc.MoveToY(rcDesk.top);
}
}
void CRichToolTipCtrl::OnShow(NMHDR* /*pNMHDR*/, LRESULT* pResult)
{
*pResult = 0;
// the control is about to be displayed
// we can update the edit control, and re-set the text
// make sure the edit control is using the correct font and colours
// and make sure we don't have any formatting effects set
m_edit.SetBackgroundColor(FALSE, GetTipBkColor());
m_edit.SetWindowText(_T(""));
CHARFORMAT cf;
ZeroMemory(&cf, sizeof(CHARFORMAT));
cf.cbSize = sizeof(CHARFORMAT);
cf.dwMask = CFM_BOLD | CFM_COLOR | CFM_ITALIC | CFM_PROTECTED | CFM_STRIKEOUT | CFM_UNDERLINE;
cf.crTextColor = GetTipTextColor();
m_edit.SetDefaultCharFormat(cf);
m_edit.SetFont(GetFont());
CString sText;
GetWindowText(sText);
m_edit.StreamTextIn(sText);
SetWindowText(_T(""));
// find out how big the tip window should be
CSize size = CalculateMinimiumRichEditSize();
// set the tool-tip's drawing rect
size.cx += 5; // add a few more on, cos we'll use them for a margin later
size.cy += 5;
// it seems that if any text is right-aligned, or centered, then
// it just creeps over the right-hand edge
// the best we can do to see if it has any right or centre text
// is to see if the RTF contains "\qr" or "\qc" tags, and add a bit on
// (we don't cater for text having "\qr" or "\qc" somewhere in it;
// in this case we add on the extra anyway. If we cared we could look for
// a "\qr" which is not really a "\\qr", but that could be quite expensive)
int nPos = sText.Find(_T("\\q"));
if (nPos >= 0 && (sText[nPos + 2] == _T('r') || sText[nPos + 2] == _T('c')))
size.cx += 5;
// calc the new tip window size and position, and move it
CRect rc;
GetWindowRect(rc);
// position the tip with its left edge at the mouse's x
CPoint ptCursor;
GetCursorPos(&ptCursor);
rc.left = ptCursor.x;
rc.top = ptCursor.y + 16;
// move it to the left if it's going to go off the edge of the screen
// but don't move it off the left of the current desktop
int cxScreen = ::GetSystemMetrics(SM_CXSCREEN);
int cyScreen = ::GetSystemMetrics(SM_CYSCREEN);
CRect rcDesktop(0, 0, cxScreen, cyScreen);
// adjust the desktop rect for the monitor that contains the cursor
if (! rcDesktop.PtInRect(ptCursor))
{
HMONITOR hMonitor = MonitorFromPoint(ptCursor, MONITOR_DEFAULTTONEAREST);
if (hMonitor != NULL)
{
MONITORINFO mi;
mi.cbSize = sizeof(MONITORINFO);
if (GetMonitorInfo(hMonitor, &mi))
rcDesktop = mi.rcMonitor;
}
}
if ((size.cx + rc.left) > rcDesktop.Width())
rc.left = max(rcDesktop.left, rc.left - ((rc.left + size.cx) - rcDesktop.Width()));
// position it above the mouse if it would go off the bottom of the screen
// but don't move it off the top of the screen
if ((size.cy + rc.top) > rcDesktop.Height())
rc.top = max(rcDesktop.top, (ptCursor.y - 16) - size.cy);
rc.right = rc.left + (size.cx);
rc.bottom = rc.top + (size.cy);
MoveWindow(&rc);
*pResult = TRUE; // we've moved it
}
