365 lines
12 KiB
C
365 lines
12 KiB
C
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/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the w64 mingw-runtime package.
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* No warranty is given; refer to the file DISCLAIMER within this package.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef SM_CMONITORS
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#define SM_XVIRTUALSCREEN 76
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#define SM_YVIRTUALSCREEN 77
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#define SM_CXVIRTUALSCREEN 78
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#define SM_CYVIRTUALSCREEN 79
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#define SM_CMONITORS 80
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#define SM_SAMEDISPLAYFORMAT 81
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#define MONITOR_DEFAULTTONULL 0x00000000
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#define MONITOR_DEFAULTTOPRIMARY 0x00000001
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#define MONITOR_DEFAULTTONEAREST 0x00000002
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#define MONITORINFOF_PRIMARY 0x00000001
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typedef struct tagMONITORINFO {
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DWORD cbSize;
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RECT rcMonitor;
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RECT rcWork;
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DWORD dwFlags;
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} MONITORINFO,*LPMONITORINFO;
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#ifndef CCHDEVICENAME
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#define CCHDEVICENAME 32
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#endif
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#ifdef __cplusplus
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typedef struct tagMONITORINFOEXA : public tagMONITORINFO {
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CHAR szDevice[CCHDEVICENAME];
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} MONITORINFOEXA,*LPMONITORINFOEXA;
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typedef struct tagMONITORINFOEXW : public tagMONITORINFO {
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WCHAR szDevice[CCHDEVICENAME];
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} MONITORINFOEXW,*LPMONITORINFOEXW;
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#ifdef UNICODE
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typedef MONITORINFOEXW MONITORINFOEX;
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typedef LPMONITORINFOEXW LPMONITORINFOEX;
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#else
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typedef MONITORINFOEXA MONITORINFOEX;
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typedef LPMONITORINFOEXA LPMONITORINFOEX;
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#endif
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#else
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typedef struct tagMONITORINFOEXA {
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MONITORINFO;
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CHAR szDevice[CCHDEVICENAME];
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} MONITORINFOEXA,*LPMONITORINFOEXA;
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typedef struct tagMONITORINFOEXW {
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MONITORINFO;
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WCHAR szDevice[CCHDEVICENAME];
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} MONITORINFOEXW,*LPMONITORINFOEXW;
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#ifdef UNICODE
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typedef MONITORINFOEXW MONITORINFOEX;
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typedef LPMONITORINFOEXW LPMONITORINFOEX;
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#else
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typedef MONITORINFOEXA MONITORINFOEX;
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typedef LPMONITORINFOEXA LPMONITORINFOEX;
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#endif
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#endif
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typedef WINBOOL (CALLBACK *MONITORENUMPROC)(HMONITOR,HDC,LPRECT,LPARAM);
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#ifndef DISPLAY_DEVICE_ATTACHED_TO_DESKTOP
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typedef struct _DISPLAY_DEVICEA {
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DWORD cb;
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CHAR DeviceName[32];
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CHAR DeviceString[128];
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DWORD StateFlags;
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CHAR DeviceID[128];
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CHAR DeviceKey[128];
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} DISPLAY_DEVICEA,*PDISPLAY_DEVICEA,*LPDISPLAY_DEVICEA;
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typedef struct _DISPLAY_DEVICEW {
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DWORD cb;
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WCHAR DeviceName[32];
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WCHAR DeviceString[128];
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DWORD StateFlags;
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WCHAR DeviceID[128];
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WCHAR DeviceKey[128];
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} DISPLAY_DEVICEW,*PDISPLAY_DEVICEW,*LPDISPLAY_DEVICEW;
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#ifdef UNICODE
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typedef DISPLAY_DEVICEW DISPLAY_DEVICE;
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typedef PDISPLAY_DEVICEW PDISPLAY_DEVICE;
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typedef LPDISPLAY_DEVICEW LPDISPLAY_DEVICE;
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#else
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typedef DISPLAY_DEVICEA DISPLAY_DEVICE;
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typedef PDISPLAY_DEVICEA PDISPLAY_DEVICE;
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typedef LPDISPLAY_DEVICEA LPDISPLAY_DEVICE;
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#endif
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#define DISPLAY_DEVICE_ATTACHED_TO_DESKTOP 0x00000001
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#define DISPLAY_DEVICE_MULTI_DRIVER 0x00000002
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#define DISPLAY_DEVICE_PRIMARY_DEVICE 0x00000004
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#define DISPLAY_DEVICE_MIRRORING_DRIVER 0x00000008
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#define DISPLAY_DEVICE_VGA_COMPATIBLE 0x00000010
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#endif
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#endif
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#undef GetMonitorInfo
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#undef GetSystemMetrics
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#undef MonitorFromWindow
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#undef MonitorFromRect
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#undef MonitorFromPoint
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#undef EnumDisplayMonitors
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#undef EnumDisplayDevices
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#ifdef COMPILE_MULTIMON_STUBS
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#ifndef MULTIMON_FNS_DEFINED
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int (WINAPI *g_pfnGetSystemMetrics)(int) = NULL;
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HMONITOR (WINAPI *g_pfnMonitorFromWindow)(HWND,DWORD) = NULL;
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HMONITOR (WINAPI *g_pfnMonitorFromRect)(LPCRECT,DWORD) = NULL;
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HMONITOR (WINAPI *g_pfnMonitorFromPoint)(POINT,DWORD) = NULL;
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WINBOOL (WINAPI *g_pfnGetMonitorInfo)(HMONITOR,LPMONITORINFO) = NULL;
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WINBOOL (WINAPI *g_pfnEnumDisplayMonitors)(HDC,LPCRECT,MONITORENUMPROC,LPARAM) = NULL;
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WINBOOL (WINAPI *g_pfnEnumDisplayDevices)(PVOID,DWORD,PDISPLAY_DEVICE,DWORD) = NULL;
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WINBOOL g_fMultiMonInitDone = FALSE;
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WINBOOL g_fMultimonPlatformNT = FALSE;
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#endif
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WINBOOL IsPlatformNT() {
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OSVERSIONINFOA osvi = {0};
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osvi.dwOSVersionInfoSize = sizeof(osvi);
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GetVersionExA((OSVERSIONINFOA*)&osvi);
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return (VER_PLATFORM_WIN32_NT==osvi.dwPlatformId);
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}
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WINBOOL InitMultipleMonitorStubs(void) {
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HMODULE hUser32;
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if(g_fMultiMonInitDone) return g_pfnGetMonitorInfo!=NULL;
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g_fMultimonPlatformNT = IsPlatformNT();
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hUser32 = GetModuleHandle(TEXT("USER32"));
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if(hUser32 &&
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(*(FARPROC*)&g_pfnGetSystemMetrics = GetProcAddress(hUser32,"GetSystemMetrics"))!=NULL &&
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(*(FARPROC*)&g_pfnMonitorFromWindow = GetProcAddress(hUser32,"MonitorFromWindow"))!=NULL &&
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(*(FARPROC*)&g_pfnMonitorFromRect = GetProcAddress(hUser32,"MonitorFromRect"))!=NULL &&
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(*(FARPROC*)&g_pfnMonitorFromPoint = GetProcAddress(hUser32,"MonitorFromPoint"))!=NULL &&
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(*(FARPROC*)&g_pfnEnumDisplayMonitors = GetProcAddress(hUser32,"EnumDisplayMonitors"))!=NULL &&
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#ifdef UNICODE
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(*(FARPROC*)&g_pfnEnumDisplayDevices = GetProcAddress(hUser32,"EnumDisplayDevicesW"))!=NULL &&
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(*(FARPROC*)&g_pfnGetMonitorInfo = g_fMultimonPlatformNT ? GetProcAddress(hUser32,"GetMonitorInfoW") :
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GetProcAddress(hUser32,"GetMonitorInfoA"))!=NULL
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#else
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(*(FARPROC*)&g_pfnGetMonitorInfo = GetProcAddress(hUser32,"GetMonitorInfoA"))!=NULL &&
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(*(FARPROC*)&g_pfnEnumDisplayDevices = GetProcAddress(hUser32,"EnumDisplayDevicesA"))!=NULL
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#endif
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) {
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g_fMultiMonInitDone = TRUE;
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return TRUE;
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} else {
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g_pfnGetSystemMetrics = NULL;
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g_pfnMonitorFromWindow = NULL;
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g_pfnMonitorFromRect = NULL;
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g_pfnMonitorFromPoint = NULL;
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g_pfnGetMonitorInfo = NULL;
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g_pfnEnumDisplayMonitors = NULL;
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g_pfnEnumDisplayDevices = NULL;
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g_fMultiMonInitDone = TRUE;
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return FALSE;
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}
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}
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int WINAPI xGetSystemMetrics(int nIndex) {
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if(InitMultipleMonitorStubs()) return g_pfnGetSystemMetrics(nIndex);
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switch(nIndex) {
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case SM_CMONITORS:
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case SM_SAMEDISPLAYFORMAT:
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return 1;
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case SM_XVIRTUALSCREEN:
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case SM_YVIRTUALSCREEN:
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return 0;
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case SM_CXVIRTUALSCREEN:
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nIndex = SM_CXSCREEN;
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break;
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case SM_CYVIRTUALSCREEN:
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nIndex = SM_CYSCREEN;
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break;
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}
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return GetSystemMetrics(nIndex);
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}
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#define xPRIMARY_MONITOR ((HMONITOR)0x12340042)
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HMONITOR WINAPI xMonitorFromPoint(POINT ptScreenCoords,DWORD dwFlags) {
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if(InitMultipleMonitorStubs()) return g_pfnMonitorFromPoint(ptScreenCoords,dwFlags);
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if((dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) ||
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((ptScreenCoords.x >= 0) &&
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(ptScreenCoords.x < GetSystemMetrics(SM_CXSCREEN)) &&
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(ptScreenCoords.y >= 0) &&
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(ptScreenCoords.y < GetSystemMetrics(SM_CYSCREEN))))
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{
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return xPRIMARY_MONITOR;
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}
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return NULL;
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}
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HMONITOR WINAPI xMonitorFromRect(LPCRECT lprcScreenCoords,DWORD dwFlags)
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{
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if(InitMultipleMonitorStubs()) return g_pfnMonitorFromRect(lprcScreenCoords,dwFlags);
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if((dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) ||
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((lprcScreenCoords->right > 0) &&
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(lprcScreenCoords->bottom > 0) &&
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(lprcScreenCoords->left < GetSystemMetrics(SM_CXSCREEN)) &&
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(lprcScreenCoords->top < GetSystemMetrics(SM_CYSCREEN))))
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{
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return xPRIMARY_MONITOR;
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}
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return NULL;
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}
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HMONITOR WINAPI xMonitorFromWindow(HWND hWnd,DWORD dwFlags) {
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WINDOWPLACEMENT wp;
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if(InitMultipleMonitorStubs()) return g_pfnMonitorFromWindow(hWnd,dwFlags);
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if(dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) return xPRIMARY_MONITOR;
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if(IsIconic(hWnd) ? GetWindowPlacement(hWnd,&wp) : GetWindowRect(hWnd,&wp.rcNormalPosition)) return xMonitorFromRect(&wp.rcNormalPosition,dwFlags);
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return NULL;
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}
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WINBOOL WINAPI xGetMonitorInfo(HMONITOR hMonitor,LPMONITORINFO lpMonitorInfo) {
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RECT rcWork;
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if(InitMultipleMonitorStubs()) {
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WINBOOL f = g_pfnGetMonitorInfo(hMonitor,lpMonitorInfo);
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#ifdef UNICODE
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if(f && !g_fMultimonPlatformNT && (lpMonitorInfo->cbSize >= sizeof(MONITORINFOEX))) {
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MultiByteToWideChar(CP_ACP,0,(LPSTR)((MONITORINFOEX*)lpMonitorInfo)->szDevice,-1,((MONITORINFOEX*)lpMonitorInfo)->szDevice,(sizeof(((MONITORINFOEX*)lpMonitorInfo)->szDevice)/sizeof(TCHAR)));
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}
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#endif
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return f;
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}
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if((hMonitor==xPRIMARY_MONITOR) &&
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lpMonitorInfo &&
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(lpMonitorInfo->cbSize >= sizeof(MONITORINFO)) &&
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SystemParametersInfoA(SPI_GETWORKAREA,0,&rcWork,0))
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{
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lpMonitorInfo->rcMonitor.left = 0;
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lpMonitorInfo->rcMonitor.top = 0;
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lpMonitorInfo->rcMonitor.right = GetSystemMetrics(SM_CXSCREEN);
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lpMonitorInfo->rcMonitor.bottom = GetSystemMetrics(SM_CYSCREEN);
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lpMonitorInfo->rcWork = rcWork;
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lpMonitorInfo->dwFlags = MONITORINFOF_PRIMARY;
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if(lpMonitorInfo->cbSize >= sizeof(MONITORINFOEX)) {
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#ifdef UNICODE
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MultiByteToWideChar(CP_ACP,0,"DISPLAY",-1,((MONITORINFOEX*)lpMonitorInfo)->szDevice,(sizeof(((MONITORINFOEX*)lpMonitorInfo)->szDevice)/sizeof(TCHAR)));
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#else
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lstrcpyn(((MONITORINFOEX*)lpMonitorInfo)->szDevice,TEXT("DISPLAY"),(sizeof(((MONITORINFOEX*)lpMonitorInfo)->szDevice)/sizeof(TCHAR)));
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#endif
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}
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return TRUE;
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}
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return FALSE;
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}
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WINBOOL WINAPI
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xEnumDisplayMonitors(HDC hdcOptionalForPainting,LPCRECT lprcEnumMonitorsThatIntersect,MONITORENUMPROC lpfnEnumProc,LPARAM dwData)
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{
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RECT rcLimit;
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if(InitMultipleMonitorStubs()) {
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return g_pfnEnumDisplayMonitors(hdcOptionalForPainting,lprcEnumMonitorsThatIntersect,lpfnEnumProc,dwData);
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}
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if(!lpfnEnumProc)
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return FALSE;
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rcLimit.left = 0;
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rcLimit.top = 0;
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rcLimit.right = GetSystemMetrics(SM_CXSCREEN);
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rcLimit.bottom = GetSystemMetrics(SM_CYSCREEN);
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if(hdcOptionalForPainting)
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{
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RECT rcClip;
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POINT ptOrg;
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switch (GetClipBox(hdcOptionalForPainting,&rcClip))
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{
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default:
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if(!GetDCOrgEx(hdcOptionalForPainting,&ptOrg))
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return FALSE;
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OffsetRect(&rcLimit,-ptOrg.x,-ptOrg.y);
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if(IntersectRect(&rcLimit,&rcLimit,&rcClip) &&
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(!lprcEnumMonitorsThatIntersect ||
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IntersectRect(&rcLimit,&rcLimit,lprcEnumMonitorsThatIntersect))) {
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break;
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}
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case NULLREGION:
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return TRUE;
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case ERROR:
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return FALSE;
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}
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} else {
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if(lprcEnumMonitorsThatIntersect &&
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!IntersectRect(&rcLimit,&rcLimit,lprcEnumMonitorsThatIntersect)) {
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return TRUE;
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}
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}
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return lpfnEnumProc(xPRIMARY_MONITOR,hdcOptionalForPainting,&rcLimit,dwData);
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}
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WINBOOL WINAPI
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xEnumDisplayDevices(PVOID Unused,DWORD iDevNum,PDISPLAY_DEVICE lpDisplayDevice,DWORD dwFlags)
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{
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if(InitMultipleMonitorStubs())
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return g_pfnEnumDisplayDevices(Unused,iDevNum,lpDisplayDevice,dwFlags);
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if(Unused!=NULL)
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return FALSE;
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if(iDevNum!=0)
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return FALSE;
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if(!lpDisplayDevice || lpDisplayDevice->cb < sizeof(DISPLAY_DEVICE))
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return FALSE;
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#ifdef UNICODE
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MultiByteToWideChar(CP_ACP,0,"DISPLAY",-1,lpDisplayDevice->DeviceName,(sizeof(lpDisplayDevice->DeviceName)/sizeof(TCHAR)));
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MultiByteToWideChar(CP_ACP,0,"DISPLAY",-1,lpDisplayDevice->DeviceString,(sizeof(lpDisplayDevice->DeviceString)/sizeof(TCHAR)));
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#else
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lstrcpyn((LPTSTR)lpDisplayDevice->DeviceName,TEXT("DISPLAY"),(sizeof(lpDisplayDevice->DeviceName)/sizeof(TCHAR)));
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lstrcpyn((LPTSTR)lpDisplayDevice->DeviceString,TEXT("DISPLAY"),(sizeof(lpDisplayDevice->DeviceString)/sizeof(TCHAR)));
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#endif
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lpDisplayDevice->StateFlags = DISPLAY_DEVICE_ATTACHED_TO_DESKTOP | DISPLAY_DEVICE_PRIMARY_DEVICE;
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return TRUE;
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}
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#undef xPRIMARY_MONITOR
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#undef COMPILE_MULTIMON_STUBS
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#else
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extern int WINAPI xGetSystemMetrics(int);
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extern HMONITOR WINAPI xMonitorFromWindow(HWND,DWORD);
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extern HMONITOR WINAPI xMonitorFromRect(LPCRECT,DWORD);
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extern HMONITOR WINAPI xMonitorFromPoint(POINT,DWORD);
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extern WINBOOL WINAPI xGetMonitorInfo(HMONITOR,LPMONITORINFO);
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extern WINBOOL WINAPI xEnumDisplayMonitors(HDC,LPCRECT,MONITORENUMPROC,LPARAM);
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extern WINBOOL WINAPI xEnumDisplayDevices(PVOID,DWORD,PDISPLAY_DEVICE,DWORD);
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#endif
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#define GetSystemMetrics xGetSystemMetrics
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#define MonitorFromWindow xMonitorFromWindow
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#define MonitorFromRect xMonitorFromRect
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#define MonitorFromPoint xMonitorFromPoint
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#define GetMonitorInfo xGetMonitorInfo
|
||
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|
#define EnumDisplayMonitors xEnumDisplayMonitors
|
||
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|
#define EnumDisplayDevices xEnumDisplayDevices
|
||
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|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|