mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-12-18 08:21:09 +00:00
2def0428da
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant.ab@308 8a3a26a2-13c4-0310-b231-cf6edde360e5
381 lines
11 KiB
C
381 lines
11 KiB
C
#ifndef __MULTIMON_H
|
|
#define __MULTIMON_H
|
|
|
|
#ifdef _WIN32
|
|
|
|
//=============================================================================
|
|
//
|
|
// MULTIMON
|
|
// stub module that "stubs" multiple monitor APIs on pre-Memphis Win32 OSes
|
|
//
|
|
// By using this header your code will work unchanged on Win95,
|
|
// you will get back correct values from GetSystemMetrics() for new metrics
|
|
// and the new APIs will act like only one display is present.
|
|
//
|
|
// exactly one source must include this with COMPILE_MULTIMON_STUBS defined
|
|
//
|
|
//=============================================================================
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" { /* Assume C declarations for C++ */
|
|
#endif /* __cplusplus */
|
|
|
|
//
|
|
// if we are building on Win95/NT4 headers we need to declare this stuff ourselves
|
|
//
|
|
#ifndef SM_CMONITORS
|
|
|
|
#define SM_XVIRTUALSCREEN 76
|
|
#define SM_YVIRTUALSCREEN 77
|
|
#define SM_CXVIRTUALSCREEN 78
|
|
#define SM_CYVIRTUALSCREEN 79
|
|
#define SM_CMONITORS 80
|
|
#define SM_SAMEDISPLAYFORMAT 81
|
|
|
|
DECLARE_HANDLE(HMONITOR);
|
|
|
|
#define MONITOR_DEFAULTTONULL 0x00000000
|
|
#define MONITOR_DEFAULTTOPRIMARY 0x00000001
|
|
#define MONITOR_DEFAULTTONEAREST 0x00000002
|
|
|
|
#define MONITORINFOF_PRIMARY 0x00000001
|
|
|
|
typedef struct tagMONITORINFO
|
|
{
|
|
DWORD cbSize;
|
|
RECT rcMonitor;
|
|
RECT rcWork;
|
|
DWORD dwFlags;
|
|
} MONITORINFO, *LPMONITORINFO;
|
|
|
|
#define CCHDEVICENAME 32
|
|
|
|
#ifdef __cplusplus
|
|
typedef struct tagMONITORINFOEX : public tagMONITORINFO
|
|
{
|
|
TCHAR szDevice[CCHDEVICENAME];
|
|
} MONITORINFOEX, *LPMONITORINFOEX;
|
|
#else
|
|
typedef struct
|
|
{
|
|
MONITORINFO;
|
|
TCHAR szDevice[CCHDEVICENAME];
|
|
} MONITORINFOEX, *LPMONITORINFOEX;
|
|
#endif
|
|
|
|
typedef BOOL (CALLBACK* MONITORENUMPROC)(HMONITOR, HDC, LPRECT, LPARAM);
|
|
|
|
#endif // SM_CMONITORS
|
|
|
|
#ifndef DISPLAY_DEVICE_ATTACHED_TO_DESKTOP
|
|
|
|
typedef struct {
|
|
DWORD cb;
|
|
CHAR DeviceName[32];
|
|
CHAR DeviceString[128];
|
|
DWORD StateFlags;
|
|
} DISPLAY_DEVICE;
|
|
|
|
#define DISPLAY_DEVICE_ATTACHED_TO_DESKTOP 0x00000001
|
|
#define DISPLAY_DEVICE_MULTI_DRIVER 0x00000002
|
|
#define DISPLAY_DEVICE_PRIMARY_DEVICE 0x00000004
|
|
#define DISPLAY_DEVICE_MIRRORING_DRIVER 0x00000008
|
|
|
|
#endif
|
|
#define DISPLAY_DEVICE_VGA 0x00000010
|
|
|
|
#ifndef ENUM_CURRENT_SETTINGS
|
|
#define ENUM_CURRENT_SETTINGS ((DWORD)-1)
|
|
#define ENUM_REGISTRY_SETTINGS ((DWORD)-2)
|
|
#endif
|
|
|
|
#undef GetMonitorInfo
|
|
#undef GetSystemMetrics
|
|
#undef MonitorFromWindow
|
|
#undef MonitorFromRect
|
|
#undef MonitorFromPoint
|
|
#undef EnumDisplayMonitors
|
|
#undef EnumDisplayDevices
|
|
|
|
//
|
|
// define this to compile the stubs
|
|
// otherwise you get the declarations
|
|
//
|
|
#ifdef COMPILE_MULTIMON_STUBS
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Implement the API stubs.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
int (WINAPI* g_pfnGetSystemMetrics)(int);
|
|
HMONITOR (WINAPI* g_pfnMonitorFromWindow)(HWND, BOOL);
|
|
HMONITOR (WINAPI* g_pfnMonitorFromRect)(LPCRECT, BOOL);
|
|
HMONITOR (WINAPI* g_pfnMonitorFromPoint)(POINT, BOOL);
|
|
BOOL (WINAPI* g_pfnGetMonitorInfo)(HMONITOR, LPMONITORINFO);
|
|
BOOL (WINAPI* g_pfnEnumDisplayMonitors)(HDC, LPCRECT, MONITORENUMPROC, LPARAM);
|
|
BOOL (WINAPI *g_pfnEnumDisplayDevices)(LPVOID, int, DISPLAY_DEVICE *, DWORD);
|
|
|
|
BOOL InitMultipleMonitorStubs(void)
|
|
{
|
|
HMODULE hUser32;
|
|
static BOOL fInitDone;
|
|
|
|
if (fInitDone)
|
|
{
|
|
return g_pfnGetMonitorInfo != NULL;
|
|
}
|
|
|
|
if ((hUser32 = GetModuleHandle(TEXT("USER32"))) &&
|
|
(*(FARPROC*)&g_pfnGetSystemMetrics = GetProcAddress(hUser32,"GetSystemMetrics")) &&
|
|
(*(FARPROC*)&g_pfnMonitorFromWindow = GetProcAddress(hUser32,"MonitorFromWindow")) &&
|
|
(*(FARPROC*)&g_pfnMonitorFromRect = GetProcAddress(hUser32,"MonitorFromRect")) &&
|
|
(*(FARPROC*)&g_pfnMonitorFromPoint = GetProcAddress(hUser32,"MonitorFromPoint")) &&
|
|
(*(FARPROC*)&g_pfnEnumDisplayMonitors = GetProcAddress(hUser32,"EnumDisplayMonitors")) &&
|
|
#ifdef UNICODE
|
|
(*(FARPROC*)&g_pfnGetMonitorInfo = GetProcAddress(hUser32,"GetMonitorInfoW")) &&
|
|
(*(FARPROC*)&g_pfnEnumDisplayDevices = GetProcAddress(hUser32,"EnumDisplayDevicesW")) &&
|
|
#else
|
|
(*(FARPROC*)&g_pfnGetMonitorInfo = GetProcAddress(hUser32,"GetMonitorInfoA")) &&
|
|
(*(FARPROC*)&g_pfnEnumDisplayDevices = GetProcAddress(hUser32,"EnumDisplayDevicesA")) &&
|
|
#endif
|
|
(GetSystemMetrics(SM_CXVIRTUALSCREEN) >= GetSystemMetrics(SM_CXSCREEN)) &&
|
|
(GetSystemMetrics(SM_CYVIRTUALSCREEN) >= GetSystemMetrics(SM_CYSCREEN)) )
|
|
{
|
|
fInitDone = TRUE;
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
g_pfnGetSystemMetrics = NULL;
|
|
g_pfnMonitorFromWindow = NULL;
|
|
g_pfnMonitorFromRect = NULL;
|
|
g_pfnMonitorFromPoint = NULL;
|
|
g_pfnGetMonitorInfo = NULL;
|
|
g_pfnEnumDisplayMonitors = NULL;
|
|
g_pfnEnumDisplayDevices = NULL;
|
|
|
|
fInitDone = TRUE;
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// "stubbed" implementations of Monitor APIs that work with the primary // display
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
int WINAPI
|
|
xGetSystemMetrics(int nIndex)
|
|
{
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnGetSystemMetrics(nIndex);
|
|
|
|
switch (nIndex)
|
|
{
|
|
case SM_CMONITORS:
|
|
case SM_SAMEDISPLAYFORMAT:
|
|
return 1;
|
|
|
|
case SM_XVIRTUALSCREEN:
|
|
case SM_YVIRTUALSCREEN:
|
|
return 0;
|
|
|
|
case SM_CXVIRTUALSCREEN:
|
|
nIndex = SM_CXSCREEN;
|
|
break;
|
|
|
|
case SM_CYVIRTUALSCREEN:
|
|
nIndex = SM_CYSCREEN;
|
|
break;
|
|
}
|
|
|
|
return GetSystemMetrics(nIndex);
|
|
}
|
|
|
|
#define xPRIMARY_MONITOR ((HMONITOR)0x42)
|
|
|
|
HMONITOR WINAPI
|
|
xMonitorFromRect(LPCRECT lprcScreenCoords,
|
|
UINT uFlags)
|
|
{
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnMonitorFromRect(lprcScreenCoords, uFlags);
|
|
|
|
if ((uFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) ||
|
|
((lprcScreenCoords->right > 0) &&
|
|
(lprcScreenCoords->bottom > 0) &&
|
|
(lprcScreenCoords->left < GetSystemMetrics(SM_CXSCREEN)) &&
|
|
(lprcScreenCoords->top < GetSystemMetrics(SM_CYSCREEN))))
|
|
{
|
|
return xPRIMARY_MONITOR;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
HMONITOR WINAPI
|
|
xMonitorFromWindow(HWND hWnd,
|
|
UINT uFlags)
|
|
{
|
|
RECT rc;
|
|
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnMonitorFromWindow(hWnd, uFlags);
|
|
|
|
if (uFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST))
|
|
return xPRIMARY_MONITOR;
|
|
|
|
if (GetWindowRect(hWnd, &rc))
|
|
return xMonitorFromRect(&rc, uFlags);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
HMONITOR WINAPI
|
|
xMonitorFromPoint(POINT ptScreenCoords,
|
|
UINT uFlags)
|
|
{
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnMonitorFromPoint(ptScreenCoords, uFlags);
|
|
|
|
if ((uFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) ||
|
|
((ptScreenCoords.x >= 0) &&
|
|
(ptScreenCoords.x < GetSystemMetrics(SM_CXSCREEN)) &&
|
|
(ptScreenCoords.y >= 0) &&
|
|
(ptScreenCoords.y < GetSystemMetrics(SM_CYSCREEN))))
|
|
{
|
|
return xPRIMARY_MONITOR;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
BOOL WINAPI
|
|
xGetMonitorInfo(HMONITOR hMonitor,
|
|
LPMONITORINFO lpMonitorInfo)
|
|
{
|
|
RECT rcWork;
|
|
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnGetMonitorInfo(hMonitor, lpMonitorInfo);
|
|
|
|
if ((hMonitor == xPRIMARY_MONITOR) && lpMonitorInfo &&
|
|
(lpMonitorInfo->cbSize >= sizeof(MONITORINFO)) &&
|
|
SystemParametersInfo(SPI_GETWORKAREA, 0, &rcWork, 0))
|
|
{
|
|
lpMonitorInfo->rcMonitor.left = 0;
|
|
lpMonitorInfo->rcMonitor.top = 0;
|
|
lpMonitorInfo->rcMonitor.right = GetSystemMetrics(SM_CXSCREEN);
|
|
lpMonitorInfo->rcMonitor.bottom = GetSystemMetrics(SM_CYSCREEN);
|
|
lpMonitorInfo->rcWork = rcWork;
|
|
lpMonitorInfo->dwFlags = MONITORINFOF_PRIMARY;
|
|
|
|
if (lpMonitorInfo->cbSize >= sizeof(MONITORINFOEX))
|
|
lstrcpy(((MONITORINFOEX*)lpMonitorInfo)->szDevice,
|
|
TEXT("DISPLAY"));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL WINAPI
|
|
xEnumDisplayMonitors(HDC hdc,
|
|
LPCRECT lprcIntersect,
|
|
MONITORENUMPROC lpfnEnumProc,
|
|
LPARAM lData)
|
|
{
|
|
RECT rcCallback, rcLimit;
|
|
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnEnumDisplayMonitors(hdc, lprcIntersect, lpfnEnumProc, lData);
|
|
|
|
if (!lpfnEnumProc)
|
|
return FALSE;
|
|
|
|
rcLimit.left = 0;
|
|
rcLimit.top = 0;
|
|
rcLimit.right = GetSystemMetrics(SM_CXSCREEN);
|
|
rcLimit.bottom = GetSystemMetrics(SM_CYSCREEN);
|
|
|
|
if (hdc)
|
|
{
|
|
RECT rcClip;
|
|
HWND hWnd;
|
|
|
|
if ((hWnd = WindowFromDC(hdc)) == NULL)
|
|
return FALSE;
|
|
|
|
switch (GetClipBox(hdc, &rcClip))
|
|
{
|
|
default:
|
|
MapWindowPoints(NULL, hWnd, (LPPOINT)&rcLimit, 2);
|
|
if (IntersectRect(&rcCallback, &rcClip, &rcLimit))
|
|
break;
|
|
//fall thru
|
|
case NULLREGION:
|
|
return TRUE;
|
|
case ERROR:
|
|
return FALSE;
|
|
}
|
|
|
|
rcLimit = rcCallback;
|
|
}
|
|
|
|
if (!lprcIntersect || IntersectRect(&rcCallback, lprcIntersect, &rcLimit))
|
|
{
|
|
lpfnEnumProc(xPRIMARY_MONITOR, hdc, &rcCallback, lData);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL WINAPI
|
|
xEnumDisplayDevices(LPVOID lpReserved,
|
|
int iDeviceNum,
|
|
DISPLAY_DEVICE * pDisplayDevice,
|
|
DWORD dwFlags)
|
|
{
|
|
if (InitMultipleMonitorStubs())
|
|
return g_pfnEnumDisplayDevices(lpReserved, iDeviceNum, pDisplayDevice, dwFlags);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
#undef xPRIMARY_MONITOR
|
|
#undef COMPILE_MULTIMON_STUBS
|
|
|
|
#else // COMPILE_MULTIMON_STUBS
|
|
|
|
extern int WINAPI xGetSystemMetrics(int);
|
|
extern HMONITOR WINAPI xMonitorFromWindow(HWND, UINT);
|
|
extern HMONITOR WINAPI xMonitorFromRect(LPCRECT, UINT);
|
|
extern HMONITOR WINAPI xMonitorFromPoint(POINT, UINT);
|
|
extern BOOL WINAPI xGetMonitorInfo(HMONITOR, LPMONITORINFO);
|
|
extern BOOL WINAPI xEnumDisplayMonitors(HDC, LPCRECT, MONITORENUMPROC, LPARAM);
|
|
extern BOOL WINAPI xEnumDisplayDevices(LPVOID, int, DISPLAY_DEVICE *, DWORD);
|
|
|
|
#endif // COMPILE_MULTIMON_STUBS
|
|
|
|
//
|
|
// build defines that replace the regular APIs with our versions
|
|
//
|
|
#define GetSystemMetrics xGetSystemMetrics
|
|
#define MonitorFromWindow xMonitorFromWindow
|
|
#define MonitorFromRect xMonitorFromRect
|
|
#define MonitorFromPoint xMonitorFromPoint
|
|
#define GetMonitorInfo xGetMonitorInfo
|
|
#define EnumDisplayMonitors xEnumDisplayMonitors
|
|
#define EnumDisplayDevices xEnumDisplayDevices
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif // __cplusplus
|
|
|
|
#endif // WIN32
|
|
|
|
#endif // __MULTIMON_H
|