mirror of https://github.com/FreeRDP/FreeRDP
138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* X11 Monitor Handling
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#ifdef WITH_XINERAMA
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#include <X11/extensions/Xinerama.h>
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#endif
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#include "xf_monitor.h"
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/* See MSDN Section on Multiple Display Monitors: http://msdn.microsoft.com/en-us/library/dd145071 */
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boolean xf_detect_monitors(xfInfo* xfi, rdpSettings* settings)
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{
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int i;
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VIRTUAL_SCREEN* vscreen;
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#ifdef WITH_XINERAMA
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int ignored, ignored2;
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XineramaScreenInfo* screen_info = NULL;
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#endif
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vscreen = &xfi->vscreen;
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if (xf_GetWorkArea(xfi) != true)
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{
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xfi->workArea.x = 0;
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xfi->workArea.y = 0;
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xfi->workArea.width = WidthOfScreen(xfi->screen);
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xfi->workArea.height = HeightOfScreen(xfi->screen);
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}
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if (settings->fullscreen)
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{
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settings->width = WidthOfScreen(xfi->screen);
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settings->height = HeightOfScreen(xfi->screen);
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}
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else if (settings->workarea)
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{
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settings->width = xfi->workArea.width;
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settings->height = xfi->workArea.height;
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}
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else if (settings->percent_screen)
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{
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settings->width = (xfi->workArea.width * settings->percent_screen) / 100;
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settings->height = (xfi->workArea.height * settings->percent_screen) / 100;
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}
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if (settings->fullscreen != true && settings->workarea != true)
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return true;
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#ifdef WITH_XINERAMA
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if (XineramaQueryExtension(xfi->display, &ignored, &ignored2))
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{
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if (XineramaIsActive(xfi->display))
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{
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screen_info = XineramaQueryScreens(xfi->display, &vscreen->nmonitors);
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if (vscreen->nmonitors > 16)
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vscreen->nmonitors = 0;
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vscreen->monitors = xzalloc(sizeof(MONITOR_INFO) * vscreen->nmonitors);
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if (vscreen->nmonitors)
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{
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for (i = 0; i < vscreen->nmonitors; i++)
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{
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vscreen->monitors[i].area.left = screen_info[i].x_org;
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vscreen->monitors[i].area.top = screen_info[i].y_org;
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vscreen->monitors[i].area.right = screen_info[i].x_org + screen_info[i].width - 1;
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vscreen->monitors[i].area.bottom = screen_info[i].y_org + screen_info[i].height - 1;
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if ((screen_info[i].x_org == 0) && (screen_info[i].y_org == 0))
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vscreen->monitors[i].primary = true;
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}
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}
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XFree(screen_info);
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}
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}
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#endif
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settings->num_monitors = vscreen->nmonitors;
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for (i = 0; i < vscreen->nmonitors; i++)
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{
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settings->monitors[i].x = vscreen->monitors[i].area.left;
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settings->monitors[i].y = vscreen->monitors[i].area.top;
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settings->monitors[i].width = vscreen->monitors[i].area.right - vscreen->monitors[i].area.left + 1;
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settings->monitors[i].height = vscreen->monitors[i].area.bottom - vscreen->monitors[i].area.top + 1;
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settings->monitors[i].is_primary = vscreen->monitors[i].primary;
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vscreen->area.left = MIN(vscreen->monitors[i].area.left, vscreen->area.left);
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vscreen->area.right = MAX(vscreen->monitors[i].area.right, vscreen->area.right);
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vscreen->area.top = MIN(vscreen->monitors[i].area.top, vscreen->area.top);
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vscreen->area.bottom = MAX(vscreen->monitors[i].area.bottom, vscreen->area.bottom);
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}
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//if no monitor information is present then make sure variables are set accordingly
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if (settings->num_monitors == 0)
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{
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vscreen->area.left = 0;
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vscreen->area.right = settings->width -1;
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vscreen->area.top = 0;
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vscreen->area.bottom = settings->height - 1;
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}
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if (settings->num_monitors)
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{
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settings->width = vscreen->area.right - vscreen->area.left + 1;
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settings->height = vscreen->area.bottom - vscreen->area.top + 1;
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}
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return true;
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}
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