| /* |
| * Multimonitor APIs |
| * |
| * Copyright 1998 Turchanov Sergey |
| */ |
| |
| #include "windows.h" |
| #include "multimon.h" |
| |
| |
| #define xPRIMARY_MONITOR ((HMONITOR)0x12340042) |
| |
| HMONITOR WINAPI MonitorFromPoint(POINT32 ptScreenCoords, DWORD dwFlags) |
| { |
| if ((dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) || |
| ((ptScreenCoords.x >= 0) && |
| (ptScreenCoords.x < GetSystemMetrics32(SM_CXSCREEN)) && |
| (ptScreenCoords.y >= 0) && |
| (ptScreenCoords.y < GetSystemMetrics32(SM_CYSCREEN)))) |
| { |
| return xPRIMARY_MONITOR; |
| } |
| return NULL; |
| } |
| |
| HMONITOR WINAPI MonitorFromRect(LPRECT32 lprcScreenCoords, DWORD dwFlags) |
| { |
| if ((dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) || |
| ((lprcScreenCoords->right > 0) && |
| (lprcScreenCoords->bottom > 0) && |
| (lprcScreenCoords->left < GetSystemMetrics32(SM_CXSCREEN)) && |
| (lprcScreenCoords->top < GetSystemMetrics32(SM_CYSCREEN)))) |
| { |
| return xPRIMARY_MONITOR; |
| } |
| return NULL; |
| } |
| |
| HMONITOR WINAPI MonitorFromWindow(HWND32 hWnd, DWORD dwFlags) |
| { |
| WINDOWPLACEMENT32 wp; |
| |
| if (dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST)) |
| return xPRIMARY_MONITOR; |
| |
| if (IsIconic32(hWnd) ? |
| GetWindowPlacement32(hWnd, &wp) : |
| GetWindowRect32(hWnd, &wp.rcNormalPosition)) { |
| |
| return MonitorFromRect(&wp.rcNormalPosition, dwFlags); |
| } |
| |
| return NULL; |
| } |
| |
| BOOL32 WINAPI GetMonitorInfo32A(HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo) |
| { |
| RECT32 rcWork; |
| |
| if ((hMonitor == xPRIMARY_MONITOR) && |
| lpMonitorInfo && |
| (lpMonitorInfo->cbSize >= sizeof(MONITORINFO)) && |
| SystemParametersInfo32A(SPI_GETWORKAREA, 0, &rcWork, 0)) |
| { |
| lpMonitorInfo->rcMonitor.left = 0; |
| lpMonitorInfo->rcMonitor.top = 0; |
| lpMonitorInfo->rcMonitor.right = GetSystemMetrics32(SM_CXSCREEN); |
| lpMonitorInfo->rcMonitor.bottom = GetSystemMetrics32(SM_CYSCREEN); |
| lpMonitorInfo->rcWork = rcWork; |
| lpMonitorInfo->dwFlags = MONITORINFOF_PRIMARY; |
| |
| if (lpMonitorInfo->cbSize >= sizeof(MONITORINFOEX32A)) |
| lstrcpy32A(((MONITORINFOEX32A*)lpMonitorInfo)->szDevice, "DISPLAY"); |
| |
| return TRUE; |
| } |
| |
| return FALSE; |
| } |
| |
| BOOL32 WINAPI GetMonitorInfo32W(HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo) |
| { |
| RECT32 rcWork; |
| |
| if ((hMonitor == xPRIMARY_MONITOR) && |
| lpMonitorInfo && |
| (lpMonitorInfo->cbSize >= sizeof(MONITORINFO)) && |
| SystemParametersInfo32W(SPI_GETWORKAREA, 0, &rcWork, 0)) |
| { |
| lpMonitorInfo->rcMonitor.left = 0; |
| lpMonitorInfo->rcMonitor.top = 0; |
| lpMonitorInfo->rcMonitor.right = GetSystemMetrics32(SM_CXSCREEN); |
| lpMonitorInfo->rcMonitor.bottom = GetSystemMetrics32(SM_CYSCREEN); |
| lpMonitorInfo->rcWork = rcWork; |
| lpMonitorInfo->dwFlags = MONITORINFOF_PRIMARY; |
| |
| if (lpMonitorInfo->cbSize >= sizeof(MONITORINFOEX32W)) |
| lstrcpy32W(((MONITORINFOEX32W*)lpMonitorInfo)->szDevice, "D\0I\0S\0P\0L\0A\0Y\0\0"); |
| |
| return TRUE; |
| } |
| |
| return FALSE; |
| } |
| |
| BOOL32 WINAPI EnumDisplayMonitors( |
| HDC32 hdcOptionalForPainting, |
| LPRECT32 lprcEnumMonitorsThatIntersect, |
| MONITORENUMPROC lpfnEnumProc, |
| LPARAM dwData) |
| { |
| RECT32 rcLimit; |
| |
| if (!lpfnEnumProc) |
| return FALSE; |
| |
| rcLimit.left = 0; |
| rcLimit.top = 0; |
| rcLimit.right = GetSystemMetrics32(SM_CXSCREEN); |
| rcLimit.bottom = GetSystemMetrics32(SM_CYSCREEN); |
| |
| if (hdcOptionalForPainting) |
| { |
| RECT32 rcClip; |
| POINT32 ptOrg; |
| |
| switch (GetClipBox32(hdcOptionalForPainting, &rcClip)) |
| { |
| default: |
| if (!GetDCOrgEx(hdcOptionalForPainting, &ptOrg)) |
| return FALSE; |
| |
| OffsetRect32(&rcLimit, -ptOrg.x, -ptOrg.y); |
| if (IntersectRect32(&rcLimit, &rcLimit, &rcClip) && |
| (!lprcEnumMonitorsThatIntersect || |
| IntersectRect32(&rcLimit, &rcLimit, lprcEnumMonitorsThatIntersect))) { |
| |
| break; |
| } |
| //fall thru |
| case NULLREGION: |
| return TRUE; |
| case ERROR: |
| return FALSE; |
| } |
| } else { |
| if ( lprcEnumMonitorsThatIntersect && |
| !IntersectRect32(&rcLimit, &rcLimit, lprcEnumMonitorsThatIntersect)) { |
| |
| return TRUE; |
| } |
| } |
| |
| return lpfnEnumProc( |
| xPRIMARY_MONITOR, |
| hdcOptionalForPainting, |
| &rcLimit, |
| dwData); |
| } |