C++ (Cpp) MonSelMonInfoToRect Examples

Example #1

File: monslctl.c Project: Strongc/reactos

static VOID
MonSelUpdateExtent(IN OUT PMONITORSELWND infoPtr)
{
    DWORD Index;
    RECT rcMonitor;

    /* NOTE: This routine calculates the extent of all monitor coordinates.
             These are not control coordinates! */
    if (infoPtr->MonitorsCount > 0)
    {
        MonSelMonInfoToRect(&infoPtr->MonitorInfo[0],
                            &infoPtr->rcExtent);

        for (Index = 1; Index < infoPtr->MonitorsCount; Index++)
        {
            MonSelMonInfoToRect(&infoPtr->MonitorInfo[Index],
                                &rcMonitor);

            UnionRect(&infoPtr->rcExtent,
                      &infoPtr->rcExtent,
                      &rcMonitor);
        }
    }
    else
    {
        ZeroMemory(&infoPtr->rcExtent,
                   sizeof(infoPtr->rcExtent));
    }
}

Example #2

File: monslctl.c Project: GYGit/reactos

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);
    }
}