1 files changed, 92 insertions, 0 deletions
diff --git a/hw/xwin/winmonitors.c b/hw/xwin/winmonitors.c
new file mode 100644
index 000000000..63af803d0
--- /dev/null
+++ b/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;
+}