void CMonitor::GetName(CString& string) const
{
ASSERT(IsMonitor());
MONITORINFOEX mi;
mi.cbSize = sizeof(mi);
::GetMonitorInfo(m_hMonitor, &mi);
string = mi.szDevice;
}
void CMonitor::CenterWindowToMonitor( CWnd* const pWnd, const BOOL UseWorkAreaRect ) const
{
ASSERT( IsMonitor() );
ASSERT( pWnd );
ASSERT( ::IsWindow( pWnd->m_hWnd ) );
CRect rect;
pWnd->GetWindowRect( &rect );
CenterRectToMonitor( &rect, UseWorkAreaRect );
pWnd->SetWindowPos( NULL, rect.left, rect.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
}
//
// is the instance the primary monitor
BOOL CMonitor::IsPrimaryMonitor() const
{
ASSERT(IsMonitor());
MONITORINFO mi;
mi.cbSize = sizeof(mi);
::GetMonitorInfo(m_hMonitor, &mi);
return mi.dwFlags == MONITORINFOF_PRIMARY;
}
CMonitor CMonitors::GetPrimaryMonitor()
{
HMONITOR hMonitor = ::MonitorFromPoint( CPoint( 0,0 ), MONITOR_DEFAULTTOPRIMARY );
ASSERT( IsMonitor( hMonitor ) );
CMonitor monitor;
monitor.Attach( hMonitor );
ASSERT( monitor.IsPrimaryMonitor() );
return monitor;
}
//
// returns the primary monitor
CMonitor CMonitors::GetPrimaryMonitor()
{
//the primary monitor always has its origin at 0,0
HMONITOR hMonitor = ::MonitorFromPoint( CPoint( 0,0 ), MONITOR_DEFAULTTOPRIMARY );
ASSERT( IsMonitor( hMonitor ) );
CMonitor monitor;
monitor.Attach( hMonitor );
ASSERT( monitor.IsPrimaryMonitor() );
return monitor;
}
//
// the work area does not include the start bar
void CMonitor::GetWorkAreaRect(LPRECT lprc) const
{
ASSERT(IsMonitor());
MONITORINFO mi;
RECT rc;
mi.cbSize = sizeof(mi);
::GetMonitorInfo(m_hMonitor, &mi);
rc = mi.rcWork;
::SetRect(lprc, rc.left, rc.top, rc.right, rc.bottom);
}
void CMonitor::CenterWindowToMonitor(CWnd* const pWnd, const BOOL UseWorkAreaRect) const
{
ASSERT(IsMonitor());
ASSERT(pWnd);
ASSERT(::IsWindow(pWnd->m_hWnd));
CRect rect;
pWnd->GetWindowRect(&rect);
CenterRectToMonitor(&rect, UseWorkAreaRect);
// MPC-HC custom code start
// Check if we are a child window and modify the coordinates accordingly
if (pWnd->GetStyle() & WS_CHILD) {
pWnd->GetParent()->ScreenToClient(&rect);
}
// MPC-HC custom code end
pWnd->SetWindowPos(nullptr, rect.left, rect.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
}
HDC CMonitor::CreateDC() const
{
ASSERT( IsMonitor() );
CString name;
GetName( name );
HDC hdc = ::CreateDC( name, name, NULL, NULL );
ASSERT( hdc != NULL );
CRect rect;
GetMonitorRect( &rect );
::SetViewportOrgEx( hdc, -rect.left, -rect.top, NULL );
::SetViewportExtEx( hdc, rect.Width(), rect.Height(), NULL );
return hdc;
}
// creates an HDC for the monitor
// it is up to the client to call DeleteDC
//
// for normal multimonitor drawing it is not necessary to get a
// dc for each monitor. Windows takes care of drawing correctly
// on all monitors
//
// Only very exacting applications would need a DC for each monitor
HDC CMonitor::CreateDC() const
{
ASSERT(IsMonitor());
CString name;
GetName(name);
//create a dc for this display
HDC hdc = ::CreateDC(name, name, nullptr, nullptr);
ASSERT(hdc != nullptr);
//set the viewport based on the monitor rect's relation to the primary monitor
CRect rect;
GetMonitorRect(&rect);
::SetViewportOrgEx(hdc, -rect.left, -rect.top, nullptr);
::SetViewportExtEx(hdc, rect.Width(), rect.Height(), nullptr);
return hdc;
}