mirror of https://github.com/FreeRDP/FreeRDP
290 lines
7.2 KiB
C
290 lines
7.2 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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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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#include <winpr/crt.h>
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#include <freerdp/log.h>
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#define TAG CLIENT_TAG("x11")
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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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int xf_list_monitors(xfContext* xfc)
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{
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#ifdef WITH_XINERAMA
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Display* display;
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int i, nmonitors = 0;
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int ignored, ignored2;
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XineramaScreenInfo* screen = NULL;
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display = XOpenDisplay(NULL);
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if (!display)
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{
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WLog_ERR(TAG, "failed to open X display");
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return -1;
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}
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if (XineramaQueryExtension(display, &ignored, &ignored2))
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{
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if (XineramaIsActive(display))
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{
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screen = XineramaQueryScreens(display, &nmonitors);
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for (i = 0; i < nmonitors; i++)
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{
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WLog_DBG(TAG, " %s [%d] %dx%d\t+%d+%d",
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(i == 0) ? "*" : " ", i,
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screen[i].width, screen[i].height,
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screen[i].x_org, screen[i].y_org);
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}
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XFree(screen);
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}
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}
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XCloseDisplay(display);
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#else
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Screen* screen;
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Display* display;
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display = XOpenDisplay(NULL);
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if(!display)
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{
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WLog_ERR(TAG, "failed to open X display");
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return -1;
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}
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screen = ScreenOfDisplay(display, DefaultScreen(display));
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WLog_DBG(TAG, " * [0] %dx%d\t+%d+%d", WidthOfScreen(screen), HeightOfScreen(screen), 0, 0);
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XCloseDisplay(display);
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#endif
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return 0;
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}
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BOOL xf_detect_monitors(xfContext* xfc, rdpSettings* settings)
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{
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int i, j;
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int nmonitors;
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int primaryMonitor;
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int vWidth, vHeight;
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int maxWidth, maxHeight;
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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 = &xfc->vscreen;
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#ifdef WITH_XINERAMA
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if (XineramaQueryExtension(xfc->display, &ignored, &ignored2))
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{
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if (XineramaIsActive(xfc->display))
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{
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screen_info = XineramaQueryScreens(xfc->display, &vscreen->nmonitors);
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if (vscreen->nmonitors > 16)
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vscreen->nmonitors = 0;
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vscreen->monitors = malloc(sizeof(MONITOR_INFO) * vscreen->nmonitors);
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ZeroMemory(vscreen->monitors, 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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if (!xf_GetWorkArea(xfc))
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{
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xfc->workArea.x = 0;
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xfc->workArea.y = 0;
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xfc->workArea.width = WidthOfScreen(xfc->screen);
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xfc->workArea.height = HeightOfScreen(xfc->screen);
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}
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if (settings->Fullscreen)
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{
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settings->DesktopWidth = WidthOfScreen(xfc->screen);
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settings->DesktopHeight = HeightOfScreen(xfc->screen);
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maxWidth = settings->DesktopWidth;
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maxHeight = settings->DesktopHeight;
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}
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else if (settings->Workarea)
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{
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settings->DesktopWidth = xfc->workArea.width;
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settings->DesktopHeight = xfc->workArea.height;
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maxWidth = settings->DesktopWidth;
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maxHeight = settings->DesktopHeight;
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}
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else if (settings->PercentScreen)
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{
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settings->DesktopWidth = (xfc->workArea.width * settings->PercentScreen) / 100;
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settings->DesktopHeight = (xfc->workArea.height * settings->PercentScreen) / 100;
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maxWidth = settings->DesktopWidth;
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maxHeight = settings->DesktopHeight;
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}
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else
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{
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maxWidth = WidthOfScreen(xfc->screen);
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maxHeight = HeightOfScreen(xfc->screen);
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}
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if (!settings->Fullscreen && !settings->Workarea && !settings->UseMultimon)
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return TRUE;
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if ((settings->Fullscreen && !settings->UseMultimon && !settings->SpanMonitors) ||
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(settings->Workarea && !settings->RemoteApplicationMode))
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{
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/* Select a single monitor */
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if (settings->NumMonitorIds != 1)
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{
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settings->NumMonitorIds = 1;
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settings->MonitorIds = (UINT32*) malloc(sizeof(UINT32) * settings->NumMonitorIds);
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settings->MonitorIds[0] = 0;
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for (i = 0; i < vscreen->nmonitors; i++)
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{
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if (vscreen->monitors[i].primary)
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{
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settings->MonitorIds[0] = i;
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break;
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}
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}
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}
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}
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nmonitors = 0;
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primaryMonitor = 0;
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for (i = 0; i < vscreen->nmonitors; i++)
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{
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if (settings->NumMonitorIds)
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{
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BOOL found = FALSE;
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for (j = 0; j < settings->NumMonitorIds; j++)
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{
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if (settings->MonitorIds[j] == i)
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found = TRUE;
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}
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if (!found)
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continue;
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}
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settings->MonitorDefArray[nmonitors].x = vscreen->monitors[i].area.left;
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settings->MonitorDefArray[nmonitors].y = vscreen->monitors[i].area.top;
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settings->MonitorDefArray[nmonitors].width = MIN(vscreen->monitors[i].area.right - vscreen->monitors[i].area.left + 1, settings->DesktopWidth);
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settings->MonitorDefArray[nmonitors].height = MIN(vscreen->monitors[i].area.bottom - vscreen->monitors[i].area.top + 1, settings->DesktopHeight);
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settings->MonitorDefArray[nmonitors].is_primary = vscreen->monitors[i].primary;
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primaryMonitor |= vscreen->monitors[i].primary;
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nmonitors++;
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}
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settings->MonitorCount = nmonitors;
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vWidth = vHeight = 0;
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settings->DesktopPosX = maxWidth - 1;
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settings->DesktopPosY = maxHeight - 1;
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for (i = 0; i < settings->MonitorCount; i++)
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{
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settings->DesktopPosX = MIN(settings->DesktopPosX, settings->MonitorDefArray[i].x);
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settings->DesktopPosY = MIN(settings->DesktopPosY, settings->MonitorDefArray[i].y);
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vWidth += settings->MonitorDefArray[i].width;
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vHeight = MAX(vHeight, settings->MonitorDefArray[i].height);
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}
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vscreen->area.left = 0;
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vscreen->area.right = vWidth - 1;
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vscreen->area.top = 0;
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vscreen->area.bottom = vHeight - 1;
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if (settings->Workarea)
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{
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vscreen->area.top = xfc->workArea.y;
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vscreen->area.bottom = (vHeight - (vHeight - (xfc->workArea.height + xfc->workArea.y))) - 1;
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}
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if (nmonitors && !primaryMonitor)
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settings->MonitorDefArray[0].is_primary = TRUE;
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if (settings->MonitorCount)
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{
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settings->DesktopWidth = vscreen->area.right - vscreen->area.left + 1;
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settings->DesktopHeight = 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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/** Clean up all resources allocated by functions in this file.
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*/
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void xf_monitors_free(xfContext *xfc, rdpSettings *settings)
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{
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#ifdef WITH_XINERAMA
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if (xfc->vscreen.monitors)
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{
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free(xfc->vscreen.monitors);
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xfc->vscreen.monitors = NULL;
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}
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#endif
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if (settings->MonitorIds)
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{
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free(settings->MonitorIds);
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settings->MonitorIds = NULL;
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}
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}
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