static VOID
MonSelUpdateMonitorsInfo(IN OUT PMONITORSELWND infoPtr,
IN BOOL bRepaint)
{
RECT rcExtSurface, rcExtDisplay;
DWORD Index;
/* Recalculate rcExtent */
MonSelUpdateExtent(infoPtr);
infoPtr-> CanDisplay = infoPtr->MonitorsCount != 0 &&
(infoPtr->ClientSize.cx > (2 * (infoPtr->Margin.cx + infoPtr->SelectionFrame.cx))) &&
(infoPtr->ClientSize.cy > (2 * (infoPtr->Margin.cy + infoPtr->SelectionFrame.cy)));
if (infoPtr->CanDisplay)
{
/* Calculate the rectangle on the control in which may be painted */
rcExtSurface.left = infoPtr->Margin.cx;
rcExtSurface.top = infoPtr->Margin.cy;
rcExtSurface.right = rcExtSurface.left + infoPtr->ClientSize.cx - (2 * infoPtr->Margin.cx);
rcExtSurface.bottom = rcExtSurface.top + infoPtr->ClientSize.cy - (2 * infoPtr->Margin.cy);
/* Calculate the rectangle on the control that is actually painted on */
rcExtDisplay.left = rcExtDisplay.top = 0;
rcExtDisplay.right = infoPtr->rcExtent.right - infoPtr->rcExtent.left;
rcExtDisplay.bottom = infoPtr->rcExtent.bottom - infoPtr->rcExtent.top;
ScaleRectSizeFit(&rcExtSurface,
&rcExtDisplay);
infoPtr->rcOldMonitors = infoPtr->rcMonitors;
infoPtr->rcMonitors = rcExtDisplay;
/* Now that we know in which area all monitors are located,
calculate the monitors selection rectangles on the screen */
for (Index = 0; Index < infoPtr->MonitorsCount; Index++)
{
MonSelMonInfoToRect(&infoPtr->MonitorInfo[Index],
&rcExtDisplay);
MonSelScaleRectRelative(&infoPtr->rcExtent,
&rcExtDisplay,
&infoPtr->rcMonitors,
&infoPtr->Monitors[Index].rc);
}
MonSelResetMonitors(infoPtr);
if (bRepaint)
MonSelRepaint(infoPtr);
}
else if (bRepaint)
{
InvalidateRect(infoPtr->hSelf,
NULL,
TRUE);
}
}
static BOOL
MonSelSetMonitorsInfo(IN OUT PMONITORSELWND infoPtr,
IN DWORD dwMonitors,
IN const MONSL_MONINFO *MonitorsInfo)
{
DWORD Index;
BOOL Ret = TRUE;
if (infoPtr->DraggingMonitor >= 0)
return FALSE;
if (infoPtr->MonitorInfo != NULL)
{
LocalFree((HLOCAL)infoPtr->MonitorInfo);
infoPtr->MonitorInfo = NULL;
MonSelResetMonitors(infoPtr);
LocalFree((HLOCAL)infoPtr->Monitors);
infoPtr->Monitors = NULL;
infoPtr->MonitorsCount = 0;
}
if (dwMonitors != 0)
{
infoPtr->MonitorInfo = (PMONSL_MONINFO)LocalAlloc(LMEM_FIXED,
dwMonitors * sizeof(MONSL_MONINFO));
if (infoPtr->MonitorInfo != NULL)
{
infoPtr->Monitors = (PMONSL_MON)LocalAlloc(LMEM_FIXED,
dwMonitors * sizeof(MONSL_MON));
if (infoPtr->Monitors != NULL)
{
CopyMemory(infoPtr->MonitorInfo,
MonitorsInfo,
dwMonitors * sizeof(MONSL_MONINFO));
ZeroMemory(infoPtr->Monitors,
dwMonitors * sizeof(MONSL_MON));
for (Index = 0; Index < dwMonitors; Index++)
{
_stprintf(infoPtr->Monitors[Index].szCaption,
_T("%u"),
Index + 1);
}
infoPtr->MonitorsCount = dwMonitors;
if (infoPtr->SelectedMonitor >= (INT)infoPtr->MonitorsCount)
infoPtr->SelectedMonitor = -1;
if (!(infoPtr->ControlExStyle & MSLM_EX_ALLOWSELECTNONE) && infoPtr->SelectedMonitor < 0)
infoPtr->SelectedMonitor = 0;
MonSelUpdateMonitorsInfo(infoPtr,
TRUE);
}
else
{
LocalFree((HLOCAL)infoPtr->MonitorInfo);
infoPtr->MonitorInfo = NULL;
Ret = FALSE;
}
}
else
Ret = FALSE;
}
if (!Ret)
infoPtr->SelectedMonitor = -1;
if (!Ret || dwMonitors == 0)
{
InvalidateRect(infoPtr->hSelf,
NULL,
TRUE);
}
return Ret;
}
