FreeRDP/client/X11/xf_monitor.c
2013-10-31 23:35:24 -04:00

277 lines
7.0 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <winpr/crt.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 */
int xf_list_monitors(xfContext* xfc)
{
#ifdef WITH_XINERAMA
Display* display;
int i, nmonitors = 0;
int ignored, ignored2;
XineramaScreenInfo* screen = NULL;
display = XOpenDisplay(NULL);
if (XineramaQueryExtension(display, &ignored, &ignored2))
{
if (XineramaIsActive(display))
{
screen = XineramaQueryScreens(display, &nmonitors);
for (i = 0; i < nmonitors; i++)
{
printf(" %s [%d] %dx%d\t+%d+%d\n",
(i == 0) ? "*" : " ", i,
screen[i].width, screen[i].height,
screen[i].x_org, screen[i].y_org);
}
XFree(screen);
}
}
XCloseDisplay(display);
#else
Screen* screen;
Display* display;
display = XOpenDisplay(NULL);
screen = ScreenOfDisplay(display, DefaultScreen(display));
printf(" * [0] %dx%d\t+%d+%d\n", WidthOfScreen(screen), HeightOfScreen(screen), 0, 0);
XCloseDisplay(display);
#endif
return 0;
}
BOOL xf_detect_monitors(xfContext* xfc, rdpSettings* settings)
{
int i, j;
int nmonitors;
int primaryMonitor;
int vWidth, vHeight;
int maxWidth, maxHeight;
VIRTUAL_SCREEN* vscreen;
#ifdef WITH_XINERAMA
int ignored, ignored2;
XineramaScreenInfo* screen_info = NULL;
#endif
vscreen = &xfc->vscreen;
#ifdef WITH_XINERAMA
if (XineramaQueryExtension(xfc->display, &ignored, &ignored2))
{
if (XineramaIsActive(xfc->display))
{
screen_info = XineramaQueryScreens(xfc->display, &vscreen->nmonitors);
if (vscreen->nmonitors > 16)
vscreen->nmonitors = 0;
vscreen->monitors = malloc(sizeof(MONITOR_INFO) * vscreen->nmonitors);
ZeroMemory(vscreen->monitors, 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
if (!xf_GetWorkArea(xfc))
{
xfc->workArea.x = 0;
xfc->workArea.y = 0;
xfc->workArea.width = WidthOfScreen(xfc->screen);
xfc->workArea.height = HeightOfScreen(xfc->screen);
}
if (settings->Fullscreen)
{
settings->DesktopWidth = WidthOfScreen(xfc->screen);
settings->DesktopHeight = HeightOfScreen(xfc->screen);
maxWidth = settings->DesktopWidth;
maxHeight = settings->DesktopHeight;
}
else if (settings->Workarea)
{
settings->DesktopWidth = xfc->workArea.width;
settings->DesktopHeight = xfc->workArea.height;
maxWidth = settings->DesktopWidth;
maxHeight = settings->DesktopHeight;
}
else if (settings->PercentScreen)
{
settings->DesktopWidth = (xfc->workArea.width * settings->PercentScreen) / 100;
settings->DesktopHeight = (xfc->workArea.height * settings->PercentScreen) / 100;
maxWidth = settings->DesktopWidth;
maxHeight = settings->DesktopHeight;
}
else
{
maxWidth = WidthOfScreen(xfc->screen);
maxHeight = HeightOfScreen(xfc->screen);
}
if (!settings->Fullscreen && !settings->Workarea && !settings->UseMultimon)
return TRUE;
if ((settings->Fullscreen && !settings->UseMultimon && !settings->SpanMonitors) ||
(settings->Workarea && !settings->RemoteApplicationMode))
{
/* Select a single monitor */
if (settings->NumMonitorIds != 1)
{
settings->NumMonitorIds = 1;
settings->MonitorIds = (UINT32*) malloc(sizeof(UINT32) * settings->NumMonitorIds);
settings->MonitorIds[0] = 0;
for (i = 0; i < vscreen->nmonitors; i++)
{
if (vscreen->monitors[i].primary)
{
settings->MonitorIds[0] = i;
break;
}
}
}
}
nmonitors = 0;
primaryMonitor = 0;
for (i = 0; i < vscreen->nmonitors; i++)
{
if (settings->NumMonitorIds)
{
BOOL found = FALSE;
for (j = 0; j < settings->NumMonitorIds; j++)
{
if (settings->MonitorIds[j] == i)
found = TRUE;
}
if (!found)
continue;
}
settings->MonitorDefArray[nmonitors].x = vscreen->monitors[i].area.left;
settings->MonitorDefArray[nmonitors].y = vscreen->monitors[i].area.top;
settings->MonitorDefArray[nmonitors].width = MIN(vscreen->monitors[i].area.right - vscreen->monitors[i].area.left + 1, settings->DesktopWidth);
settings->MonitorDefArray[nmonitors].height = MIN(vscreen->monitors[i].area.bottom - vscreen->monitors[i].area.top + 1, settings->DesktopHeight);
settings->MonitorDefArray[nmonitors].is_primary = vscreen->monitors[i].primary;
primaryMonitor |= vscreen->monitors[i].primary;
nmonitors++;
}
settings->MonitorCount = nmonitors;
vWidth = vHeight = 0;
settings->DesktopPosX = maxWidth - 1;
settings->DesktopPosY = maxHeight - 1;
for (i = 0; i < settings->MonitorCount; i++)
{
settings->DesktopPosX = MIN(settings->DesktopPosX, settings->MonitorDefArray[i].x);
settings->DesktopPosY = MIN(settings->DesktopPosY, settings->MonitorDefArray[i].y);
vWidth += settings->MonitorDefArray[i].width;
vHeight = MAX(vHeight, settings->MonitorDefArray[i].height);
}
vscreen->area.left = 0;
vscreen->area.right = vWidth - 1;
vscreen->area.top = 0;
vscreen->area.bottom = vHeight - 1;
if (settings->Workarea)
{
vscreen->area.top = xfc->workArea.y;
vscreen->area.bottom = (vHeight - (vHeight - (xfc->workArea.height + xfc->workArea.y))) - 1;
}
if (nmonitors && !primaryMonitor)
settings->MonitorDefArray[0].is_primary = TRUE;
if (settings->MonitorCount)
{
settings->DesktopWidth = vscreen->area.right - vscreen->area.left + 1;
settings->DesktopHeight = vscreen->area.bottom - vscreen->area.top + 1;
}
return TRUE;
}
/** Clean up all resources allocated by functions in this file.
*/
void xf_monitors_free(xfContext *xfc, rdpSettings *settings)
{
#ifdef WITH_XINERAMA
if (xfc->vscreen.monitors)
{
free(xfc->vscreen.monitors);
xfc->vscreen.monitors = NULL;
}
#endif
if (settings->MonitorIds)
{
free(settings->MonitorIds);
settings->MonitorIds = NULL;
}
}