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- #include "main.h"
- #include "VideoOutputChildDDraw.h"
- #include <ddraw.h>
- class MonitorFinder
- {
- public:
- MonitorFinder(HMONITOR hm) : m_monitor_to_find(hm), m_found_devguid(0)
- {}
- HMONITOR m_monitor_to_find;
- int m_found_devguid;
- GUID m_devguid;
- };
- static BOOL WINAPI DDEnumCallbackEx(GUID FAR *lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName, LPVOID lpContext, HMONITOR hm)
- {
- MonitorFinder *ovo = (MonitorFinder *)lpContext;
- if (ovo->m_found_devguid) return 1;
- if (hm == ovo->m_monitor_to_find)
- {
- ovo->m_devguid = *lpGUID;
- ovo->m_found_devguid = 1;
- }
- return 1;
- }
- void VideoOutputChildDDraw::update_monitor_coords()
- {
-
- m_mon_x = 0;
- m_mon_y = 0;
- HMONITOR hm = MonitorFromWindow(parent, 0);
- if (hm)
- {
- HINSTANCE hdd = LoadLibraryW(TEXT("ddraw.dll"));
- if (hdd)
- {
- typedef BOOL (FAR PASCAL * LPDDENUMCALLBACKEXA)(GUID FAR *, LPSTR, LPSTR, LPVOID, HMONITOR);
- typedef HRESULT (WINAPI * LPDIRECTDRAWENUMERATEEX)( LPDDENUMCALLBACKEXA lpCallback, LPVOID lpContext, DWORD dwFlags);
- LPDIRECTDRAWENUMERATEEX lpDDEnumEx;
- lpDDEnumEx = (LPDIRECTDRAWENUMERATEEX) GetProcAddress(hdd, "DirectDrawEnumerateExW");
- if (lpDDEnumEx)
- {
- MonitorFinder finder(hm);
- lpDDEnumEx(&DDEnumCallbackEx, &finder, DDENUM_ATTACHEDSECONDARYDEVICES | DDENUM_NONDISPLAYDEVICES);
- foundGUID=!!finder.m_found_devguid;
- if (foundGUID)
- {
- m_devguid=finder.m_devguid;
- MONITORINFOEXW mi;
- memset(&mi, 0, sizeof(mi));
- mi.cbSize = sizeof(mi);
- if (GetMonitorInfoA(hm, &mi))
- {
- m_mon_x = mi.rcMonitor.left;
- m_mon_y = mi.rcMonitor.top;
- }
- }
- }
- FreeLibrary(hdd);
- }
- }
- }
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