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176 lines
4.9 KiB
C
176 lines
4.9 KiB
C
/*
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* Multimonitor APIs
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*
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* Copyright 1998 Turchanov Sergey
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*/
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#include "windef.h"
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#include "wingdi.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wine/unicode.h"
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/**********************************************************************/
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#define xPRIMARY_MONITOR ((HMONITOR)0x12340042)
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/***********************************************************************
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* MonitorFromPoint
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*/
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HMONITOR WINAPI MonitorFromPoint(POINT ptScreenCoords, DWORD dwFlags)
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{
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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 (HMONITOR)0;
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}
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/***********************************************************************
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* MonitorFromRect
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*/
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HMONITOR WINAPI MonitorFromRect(LPRECT lprcScreenCoords, DWORD dwFlags)
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{
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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 (HMONITOR)0;
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}
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/***********************************************************************
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* MonitorFromWindow
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*/
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HMONITOR WINAPI MonitorFromWindow(HWND hWnd, DWORD dwFlags)
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{
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WINDOWPLACEMENT wp;
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if (dwFlags & (MONITOR_DEFAULTTOPRIMARY | MONITOR_DEFAULTTONEAREST))
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return xPRIMARY_MONITOR;
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if (IsIconic(hWnd) ?
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GetWindowPlacement(hWnd, &wp) :
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GetWindowRect(hWnd, &wp.rcNormalPosition)) {
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return MonitorFromRect(&wp.rcNormalPosition, dwFlags);
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}
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return (HMONITOR)0;
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}
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/***********************************************************************
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* GetMonitorInfoA
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*/
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BOOL WINAPI GetMonitorInfoA(HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo)
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{
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RECT rcWork;
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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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SetRect( &lpMonitorInfo->rcMonitor, 0, 0,
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GetSystemMetrics(SM_CXSCREEN),
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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(MONITORINFOEXA))
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strcpy(((MONITORINFOEXA*)lpMonitorInfo)->szDevice, "DISPLAY");
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* GetMonitorInfoW
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*/
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BOOL WINAPI GetMonitorInfoW(HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo)
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{
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RECT rcWork;
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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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SystemParametersInfoW(SPI_GETWORKAREA, 0, &rcWork, 0))
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{
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SetRect( &lpMonitorInfo->rcMonitor, 0, 0,
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GetSystemMetrics(SM_CXSCREEN),
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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(MONITORINFOEXW))
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strcpyW(((MONITORINFOEXW*)lpMonitorInfo)->szDevice, (LPCWSTR)"D\0I\0S\0P\0L\0A\0Y\0\0");
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* EnumDisplayMonitors
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*/
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BOOL WINAPI EnumDisplayMonitors(
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HDC hdcOptionalForPainting,
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LPRECT lprcEnumMonitorsThatIntersect,
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MONITORENUMPROC lpfnEnumProc,
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LPARAM dwData)
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{
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RECT rcLimit;
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SetRect( &rcLimit, 0, 0, GetSystemMetrics(SM_CXSCREEN),
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GetSystemMetrics(SM_CYSCREEN) );
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if (!lpfnEnumProc)
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return FALSE;
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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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/*fall thru */
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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(
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xPRIMARY_MONITOR,
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hdcOptionalForPainting,
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&rcLimit,
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dwData);
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}
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