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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <tchar.h>
- #include <rfb_win32/MonitorInfo.h>
- #include <rfb_win32/Win32Util.h>
- #include <rdr/Exception.h>
- #include <rfb/LogWriter.h>
-
- #ifndef min
- #define min(a,b) ((a)<(b)?(a):(b))
- #endif
-
- #ifndef max
- #define max(a,b) ((a)>(b)?(a):(b))
- #endif
-
- using namespace rfb;
- using namespace win32;
-
- static LogWriter vlog("MonitorInfo");
-
-
- static void fillMonitorInfo(HMONITOR monitor, MONITORINFOEXA* mi) {
- vlog.debug("monitor=%p", monitor);
- memset(mi, 0, sizeof(MONITORINFOEXA));
- mi->cbSize = sizeof(MONITORINFOEXA);
- if (!GetMonitorInfo(monitor, mi))
- throw rdr::SystemException("failed to GetMonitorInfo", GetLastError());
- vlog.debug("monitor is %ld,%ld-%ld,%ld", mi->rcMonitor.left, mi->rcMonitor.top, mi->rcMonitor.right, mi->rcMonitor.bottom);
- vlog.debug("work area is %ld,%ld-%ld,%ld", mi->rcWork.left, mi->rcWork.top, mi->rcWork.right, mi->rcWork.bottom);
- vlog.debug("device is \"%s\"", mi->szDevice);
- }
-
-
- MonitorInfo::MonitorInfo(HWND window) {
- cbSize = sizeof(MonitorInfo);
- szDevice[0] = 0;
-
- HMONITOR monitor = MonitorFromWindow(window, MONITOR_DEFAULTTONEAREST);
- if (!monitor)
- throw rdr::SystemException("failed to get monitor", GetLastError());
- fillMonitorInfo(monitor, this);
- }
-
- MonitorInfo::MonitorInfo(const RECT& r) {
- cbSize = sizeof(MonitorInfo);
- szDevice[0] = 0;
-
- HMONITOR monitor = MonitorFromRect(&r, MONITOR_DEFAULTTONEAREST);
- if (!monitor)
- throw rdr::SystemException("failed to get monitor", GetLastError());
- fillMonitorInfo(monitor, this);
- }
-
-
- struct monitorByNameData {
- MONITORINFOEXA* info;
- const char* monitorName;
- };
-
- static BOOL CALLBACK monitorByNameEnumProc(HMONITOR monitor,
- HDC /*dc*/,
- LPRECT /*pos*/,
- LPARAM d) {
- monitorByNameData* data = (monitorByNameData*)d;
- memset(data->info, 0, sizeof(MONITORINFOEXA));
- data->info->cbSize = sizeof(MONITORINFOEXA);
- if (GetMonitorInfo(monitor, data->info)) {
- if (stricmp(data->monitorName, data->info->szDevice) == 0)
- return FALSE;
- }
-
- return TRUE;
- }
-
- MonitorInfo::MonitorInfo(const char* devName) {
- monitorByNameData data;
- data.info = this;
- data.monitorName = devName;
- EnumDisplayMonitors(0, 0, &monitorByNameEnumProc, (LPARAM)&data);
- }
-
- void MonitorInfo::moveTo(HWND handle) {
- vlog.debug("moveTo monitor=%s", szDevice);
-
- MonitorInfo mi(handle);
- if (strcmp(szDevice, mi.szDevice) != 0) {
- centerWindow(handle, rcWork);
- clipTo(handle);
- }
- }
-
- void MonitorInfo::clipTo(RECT* r) {
- vlog.debug("clipTo monitor=%s", szDevice);
-
- if (r->top < rcWork.top) {
- r->bottom += rcWork.top - r->top; r->top = rcWork.top;
- }
- if (r->left < rcWork.left) {
- r->right += rcWork.left - r->left; r->left = rcWork.left;
- }
- if (r->bottom > rcWork.bottom) {
- r->top += rcWork.bottom - r->bottom; r->bottom = rcWork.bottom;
- }
- if (r->right > rcWork.right) {
- r->left += rcWork.right - r->right; r->right = rcWork.right;
- }
- r->left = max(r->left, rcWork.left);
- r->right = min(r->right, rcWork.right);
- r->top = max(r->top, rcWork.top);
- r->bottom = min(r->bottom, rcWork.bottom);
- }
-
- void MonitorInfo::clipTo(HWND handle) {
- RECT r;
- GetWindowRect(handle, &r);
- clipTo(&r);
- SetWindowPos(handle, 0, r.left, r.top, r.right-r.left, r.bottom-r.top,
- SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOOWNERZORDER);
- }
-
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