FreeRDP/client/X11/xf_monitor.c
2011-09-02 13:29:17 -04:00

109 lines
3.2 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* X11 Monitor Handling
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#ifdef WITH_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#include "xf_monitor.h"
/* See MSDN Section on Multiple Display Monitors: http://msdn.microsoft.com/en-us/library/dd145071 */
boolean xf_detect_monitors(xfInfo* xfi, rdpSettings* settings)
{
int i;
VIRTUAL_SCREEN* vscreen;
#ifdef WITH_XINERAMA
int ignored, ignored2;
XineramaScreenInfo* screen_info = NULL;
#endif
vscreen = &xfi->vscreen;
xf_GetWorkArea(xfi);
if (settings->workarea)
{
settings->width = xfi->workArea.width;
settings->height = xfi->workArea.height;
}
if (settings->fullscreen != True && settings->workarea != True)
return True;
#ifdef WITH_XINERAMA
if (XineramaQueryExtension(xfi->display, &ignored, &ignored2))
{
if (XineramaIsActive(xfi->display))
{
screen_info = XineramaQueryScreens(xfi->display, &vscreen->nmonitors);
if (vscreen->nmonitors > 16)
vscreen->nmonitors = 0;
vscreen->monitors = xzalloc(sizeof(MONITOR_INFO) * vscreen->nmonitors);
if (vscreen->nmonitors)
{
for (i = 0; i < vscreen->nmonitors; i++)
{
vscreen->monitors[i].area.left = screen_info[i].x_org;
vscreen->monitors[i].area.top = screen_info[i].y_org;
vscreen->monitors[i].area.right = screen_info[i].x_org + screen_info[i].width - 1;
vscreen->monitors[i].area.bottom = screen_info[i].y_org + screen_info[i].height - 1;
if ((screen_info[i].x_org == 0) && (screen_info[i].y_org == 0))
vscreen->monitors[i].primary = True;
}
}
XFree(screen_info);
}
}
#endif
settings->num_monitors = vscreen->nmonitors;
for (i = 0; i < vscreen->nmonitors; i++)
{
settings->monitors[i].x = vscreen->monitors[i].area.left;
settings->monitors[i].y = vscreen->monitors[i].area.top;
settings->monitors[i].width = vscreen->monitors[i].area.right - vscreen->monitors[i].area.left + 1;
settings->monitors[i].height = vscreen->monitors[i].area.bottom - vscreen->monitors[i].area.top + 1;
settings->monitors[i].is_primary = vscreen->monitors[i].primary;
vscreen->area.left = MIN(vscreen->monitors[i].area.left, vscreen->area.left);
vscreen->area.right = MAX(vscreen->monitors[i].area.right, vscreen->area.right);
vscreen->area.top = MIN(vscreen->monitors[i].area.top, vscreen->area.top);
vscreen->area.bottom = MAX(vscreen->monitors[i].area.bottom, vscreen->area.bottom);
}
settings->width = vscreen->area.right - vscreen->area.left + 1;
settings->height = vscreen->area.bottom - vscreen->area.top + 1;
return True;
}