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Diffstat (limited to 'xorg-server/hw/xwin/winmonitors.c')
-rw-r--r-- | xorg-server/hw/xwin/winmonitors.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/winmonitors.c b/xorg-server/hw/xwin/winmonitors.c new file mode 100644 index 000000000..63af803d0 --- /dev/null +++ b/xorg-server/hw/xwin/winmonitors.c @@ -0,0 +1,92 @@ +/* + +Copyright 1993, 1998 The Open Group +Copyright (C) Colin Harrison 2005-2008 + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ + + +#include "win.h" +#include "winmonitors.h" + +/* + * getMonitorInfo - callback function used to return information from the enumeration of monitors attached + */ + +static +wBOOL CALLBACK getMonitorInfo(HMONITOR hMonitor, HDC hdc, LPRECT rect, LPARAM _data) +{ + struct GetMonitorInfoData* data = (struct GetMonitorInfoData*)_data; + // only get data for monitor number specified in <data> + data->monitorNum++; + if (data->monitorNum == data->requestedMonitor) + { + data->bMonitorSpecifiedExists = TRUE; + data->monitorOffsetX = rect->left; + data->monitorOffsetY = rect->top; + data->monitorHeight = rect->bottom - rect->top; + data->monitorWidth = rect->right - rect->left; + return FALSE; + } + return TRUE; +} + +typedef wBOOL (*ENUMDISPLAYMONITORSPROC)(HDC,LPCRECT,MONITORENUMPROC,LPARAM); +ENUMDISPLAYMONITORSPROC _EnumDisplayMonitors; + +wBOOL CALLBACK getMonitorInfo(HMONITOR hMonitor, HDC hdc, LPRECT rect, LPARAM _data); + +Bool QueryMonitor(int index, struct GetMonitorInfoData *data) +{ + /* Load EnumDisplayMonitors from DLL */ + HMODULE user32; + FARPROC func; + user32 = LoadLibrary("user32.dll"); + if (user32 == NULL) + { + winW32Error(2, "Could not open user32.dll"); + return FALSE; + } + func = GetProcAddress(user32, "EnumDisplayMonitors"); + if (func == NULL) + { + winW32Error(2, "Could not resolve EnumDisplayMonitors: "); + return FALSE; + } + _EnumDisplayMonitors = (ENUMDISPLAYMONITORSPROC)func; + + /* prepare data */ + if (data == NULL) + return FALSE; + memset(data, 0, sizeof(*data)); + data->requestedMonitor = index; + + /* query information */ + _EnumDisplayMonitors(NULL, NULL, getMonitorInfo, (LPARAM) data); + + /* cleanup */ + FreeLibrary(user32); + return TRUE; +} |