305f5d1bd5
X11: Fix fullscreen toggle
530 lines
16 KiB
C
530 lines
16 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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* Copyright 2017 David Fort <contact@hardening-consulting.com>
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* Copyright 2018 Kai Harms <kharms@rangee.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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#ifdef WITH_XRANDR
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#include <X11/extensions/Xrandr.h>
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#include <X11/extensions/randr.h>
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#if (RANDR_MAJOR * 100 + RANDR_MINOR) >= 105
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# define USABLE_XRANDR
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#endif
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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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Display* display;
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int major, minor;
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int i, nmonitors = 0;
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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 defined(USABLE_XRANDR)
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if (XRRQueryExtension(xfc->display, &major, &minor) &&
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(XRRQueryVersion(xfc->display, &major, &minor) == True) &&
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(major * 100 + minor >= 105))
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{
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XRRMonitorInfo* monitors = XRRGetMonitors(xfc->display, DefaultRootWindow(xfc->display), 1,
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&nmonitors);
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for (i = 0; i < nmonitors; i++)
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{
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printf(" %s [%d] %dx%d\t+%d+%d\n",
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monitors[i].primary ? "*" : " ", i,
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monitors[i].width, monitors[i].height,
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monitors[i].x, monitors[i].y);
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}
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XRRFreeMonitors(monitors);
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}
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else
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#endif
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#ifdef WITH_XINERAMA
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if (XineramaQueryExtension(display, &major, &minor))
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{
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if (XineramaIsActive(display))
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{
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XineramaScreenInfo* screen = XineramaQueryScreens(display, &nmonitors);
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for (i = 0; i < nmonitors; i++)
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{
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printf(" %s [%d] %hdx%hd\t+%hd+%hd\n",
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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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else
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#else
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{
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Screen* screen = ScreenOfDisplay(display, DefaultScreen(display));
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printf(" * [0] %dx%d\t+0+0\n", WidthOfScreen(screen), HeightOfScreen(screen));
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}
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#endif
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XCloseDisplay(display);
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return 0;
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}
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static BOOL xf_is_monitor_id_active(xfContext* xfc, UINT32 id)
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{
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int index;
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rdpSettings* settings = xfc->context.settings;
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if (!settings->NumMonitorIds)
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return TRUE;
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for (index = 0; index < settings->NumMonitorIds; index++)
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{
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if (settings->MonitorIds[index] == id)
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return TRUE;
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}
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return FALSE;
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}
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BOOL xf_detect_monitors(xfContext* xfc, UINT32* pMaxWidth, UINT32* pMaxHeight)
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{
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int i;
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int nmonitors = 0;
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int monitor_index = 0;
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BOOL primaryMonitorFound = FALSE;
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VIRTUAL_SCREEN* vscreen;
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rdpSettings* settings = xfc->context.settings;
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int mouse_x, mouse_y, _dummy_i;
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Window _dummy_w;
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int current_monitor = 0;
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Screen* screen;
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MONITOR_INFO* monitor;
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#if defined WITH_XINERAMA || defined WITH_XRANDR
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int major, minor;
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#endif
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#if defined(USABLE_XRANDR)
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XRRMonitorInfo* rrmonitors = NULL;
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BOOL useXRandr = FALSE;
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#endif
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vscreen = &xfc->vscreen;
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*pMaxWidth = settings->DesktopWidth;
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*pMaxHeight = settings->DesktopHeight;
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/* get mouse location */
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if (!XQueryPointer(xfc->display, DefaultRootWindow(xfc->display),
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&_dummy_w, &_dummy_w, &mouse_x, &mouse_y,
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&_dummy_i, &_dummy_i, (void*) &_dummy_i))
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mouse_x = mouse_y = 0;
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#if defined(USABLE_XRANDR)
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if (XRRQueryExtension(xfc->display, &major, &minor) &&
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(XRRQueryVersion(xfc->display, &major, &minor) == True) &&
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(major * 100 + minor >= 105))
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{
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XRRMonitorInfo* rrmonitors = XRRGetMonitors(xfc->display, DefaultRootWindow(xfc->display), 1,
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&vscreen->nmonitors);
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if (vscreen->nmonitors > 16)
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vscreen->nmonitors = 0;
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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 = rrmonitors[i].x;
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vscreen->monitors[i].area.top = rrmonitors[i].y;
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vscreen->monitors[i].area.right = rrmonitors[i].x + rrmonitors[i].width - 1;
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vscreen->monitors[i].area.bottom = rrmonitors[i].y + rrmonitors[i].height - 1;
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vscreen->monitors[i].primary = rrmonitors[i].primary > 0;
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}
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}
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XRRFreeMonitors(rrmonitors);
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useXRandr = TRUE;
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}
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else
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#endif
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#ifdef WITH_XINERAMA
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if (XineramaQueryExtension(xfc->display, &major, &minor) && XineramaIsActive(xfc->display))
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{
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XineramaScreenInfo* screenInfo = XineramaQueryScreens(xfc->display, &vscreen->nmonitors);
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if (vscreen->nmonitors > 16)
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vscreen->nmonitors = 0;
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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 = screenInfo[i].x_org;
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vscreen->monitors[i].area.top = screenInfo[i].y_org;
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vscreen->monitors[i].area.right = screenInfo[i].x_org + screenInfo[i].width - 1;
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vscreen->monitors[i].area.bottom = screenInfo[i].y_org + screenInfo[i].height - 1;
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}
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}
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XFree(screenInfo);
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}
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#endif
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xfc->fullscreenMonitors.top = xfc->fullscreenMonitors.bottom =
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xfc->fullscreenMonitors.left = xfc->fullscreenMonitors.right = 0;
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/* Determine which monitor that the mouse cursor is on */
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if (vscreen->monitors)
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{
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for (i = 0; i < vscreen->nmonitors; i++)
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{
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if ((mouse_x >= vscreen->monitors[i].area.left) &&
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(mouse_x <= vscreen->monitors[i].area.right) &&
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(mouse_y >= vscreen->monitors[i].area.top) &&
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(mouse_y <= vscreen->monitors[i].area.bottom))
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{
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current_monitor = 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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Even for a single monitor, we need to calculate the virtual screen to support
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window managers that do not implement all X window state hints.
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If the user did not request multiple monitor or is using workarea
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without remote app, we force the number of monitors be 1 so later
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the rest of the client don't end up using more monitors than the user desires.
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*/
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if ((!settings->UseMultimon && !settings->SpanMonitors) ||
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(settings->Workarea && !settings->RemoteApplicationMode))
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{
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/* If no monitors were specified on the command-line then set the current monitor as active */
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if (!settings->NumMonitorIds)
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{
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settings->MonitorIds[0] = current_monitor;
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}
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/* Always sets number of monitors from command-line to just 1.
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* If the monitor is invalid then we will default back to current monitor
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* later as a fallback. So, there is no need to validate command-line entry here.
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*/
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settings->NumMonitorIds = 1;
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}
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/* WORKAROUND: With Remote Application Mode - using NET_WM_WORKAREA
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* causes issues with the ability to fully size the window vertically
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* (the bottom of the window area is never updated). So, we just set
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* the workArea to match the full Screen width/height.
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*/
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if (settings->RemoteApplicationMode || !xf_GetWorkArea(xfc))
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{
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/*
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if only 1 monitor is enabled, use monitor area
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this is required in case of a screen composed of more than one monitor
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but user did not enable multimonitor
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*/
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if (settings->NumMonitorIds == 1)
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{
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monitor = vscreen->monitors + current_monitor;
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xfc->workArea.x = monitor->area.left;
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xfc->workArea.y = monitor->area.top;
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xfc->workArea.width = monitor->area.right - monitor->area.left + 1;
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xfc->workArea.height = monitor->area.bottom - monitor->area.top + 1;
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}
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else
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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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}
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if (settings->Fullscreen)
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{
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*pMaxWidth = WidthOfScreen(xfc->screen);
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*pMaxHeight = HeightOfScreen(xfc->screen);
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}
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else if (settings->Workarea)
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{
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*pMaxWidth = xfc->workArea.width;
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*pMaxHeight = xfc->workArea.height;
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}
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else if (settings->PercentScreen)
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{
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/* If we have specific monitor information then limit the PercentScreen value
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* to only affect the current monitor vs. the entire desktop
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*/
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if (vscreen->nmonitors > 0)
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{
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*pMaxWidth = vscreen->monitors[current_monitor].area.right -
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vscreen->monitors[current_monitor].area.left + 1;
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*pMaxHeight = vscreen->monitors[current_monitor].area.bottom -
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vscreen->monitors[current_monitor].area.top + 1;
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if (settings->PercentScreenUseWidth)
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*pMaxWidth = ((vscreen->monitors[current_monitor].area.right -
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vscreen->monitors[current_monitor].area.left + 1) * settings->PercentScreen) /
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100;
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if (settings->PercentScreenUseHeight)
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*pMaxHeight = ((vscreen->monitors[current_monitor].area.bottom -
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vscreen->monitors[current_monitor].area.top + 1) * settings->PercentScreen) /
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100;
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}
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else
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{
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*pMaxWidth = xfc->workArea.width;
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*pMaxHeight = xfc->workArea.height;
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if (settings->PercentScreenUseWidth)
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*pMaxWidth = (xfc->workArea.width * settings->PercentScreen) / 100;
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if (settings->PercentScreenUseHeight)
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*pMaxHeight = (xfc->workArea.height * settings->PercentScreen) / 100;
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}
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}
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else if (settings->DesktopWidth && settings->DesktopHeight)
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{
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*pMaxWidth = settings->DesktopWidth;
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*pMaxHeight = settings->DesktopHeight;
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}
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/* Create array of all active monitors by taking into account monitors requested on the command-line */
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for (i = 0; i < vscreen->nmonitors; i++)
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{
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MONITOR_ATTRIBUTES* attrs;
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if (!xf_is_monitor_id_active(xfc, i))
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continue;
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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 =
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MIN(vscreen->monitors[i].area.right - vscreen->monitors[i].area.left + 1, *pMaxWidth);
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settings->MonitorDefArray[nmonitors].height =
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MIN(vscreen->monitors[i].area.bottom - vscreen->monitors[i].area.top + 1, *pMaxHeight);
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settings->MonitorDefArray[nmonitors].orig_screen = i;
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#ifdef USABLE_XRANDR
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if (useXRandr && rrmonitors)
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{
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Rotation rot, ret;
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attrs = &settings->MonitorDefArray[nmonitors].attributes;
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attrs->physicalWidth = rrmonitors[i].mwidth;
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attrs->physicalHeight = rrmonitors[i].mheight;
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ret = XRRRotations(xfc->display, i, &rot);
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attrs->orientation = rot;
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}
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#endif
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if (i == settings->MonitorIds[0])
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{
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settings->MonitorDefArray[nmonitors].is_primary = TRUE;
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settings->MonitorLocalShiftX = settings->MonitorDefArray[nmonitors].x;
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settings->MonitorLocalShiftY = settings->MonitorDefArray[nmonitors].y;
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primaryMonitorFound = TRUE;
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}
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nmonitors++;
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}
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/* If no monitor is active(bogus command-line monitor specification) - then lets try to fallback to go fullscreen on the current monitor only */
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if (nmonitors == 0 && vscreen->nmonitors > 0)
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{
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settings->MonitorDefArray[0].x = vscreen->monitors[current_monitor].area.left;
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settings->MonitorDefArray[0].y = vscreen->monitors[current_monitor].area.top;
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settings->MonitorDefArray[0].width = MIN(
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vscreen->monitors[current_monitor].area.right -
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vscreen->monitors[current_monitor].area.left + 1, *pMaxWidth);
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settings->MonitorDefArray[0].height = MIN(
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vscreen->monitors[current_monitor].area.bottom -
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vscreen->monitors[current_monitor].area.top + 1, *pMaxHeight);
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settings->MonitorDefArray[0].orig_screen = current_monitor;
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nmonitors = 1;
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}
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settings->MonitorCount = nmonitors;
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/* If we have specific monitor information */
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if (settings->MonitorCount)
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{
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/* Initialize bounding rectangle for all monitors */
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int vX = settings->MonitorDefArray[0].x;
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int vY = settings->MonitorDefArray[0].y;
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int vR = vX + settings->MonitorDefArray[0].width;
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int vB = vY + settings->MonitorDefArray[0].height;
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xfc->fullscreenMonitors.top = xfc->fullscreenMonitors.bottom =
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xfc->fullscreenMonitors.left = xfc->fullscreenMonitors.right =
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settings->MonitorDefArray[0].orig_screen;
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/* Calculate bounding rectangle around all monitors to be used AND
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* also set the Xinerama indices which define left/top/right/bottom monitors.
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*/
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for (i = 1; i < settings->MonitorCount; i++)
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{
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/* does the same as gdk_rectangle_union */
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int destX = MIN(vX, settings->MonitorDefArray[i].x);
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int destY = MIN(vY, settings->MonitorDefArray[i].y);
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int destR = MAX(vR, settings->MonitorDefArray[i].x +
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settings->MonitorDefArray[i].width);
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int destB = MAX(vB, settings->MonitorDefArray[i].y +
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settings->MonitorDefArray[i].height);
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if (vX != destX)
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xfc->fullscreenMonitors.left = settings->MonitorDefArray[i].orig_screen;
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if (vY != destY)
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xfc->fullscreenMonitors.top = settings->MonitorDefArray[i].orig_screen;
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if (vR != destR)
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xfc->fullscreenMonitors.right = settings->MonitorDefArray[i].orig_screen;
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if (vB != destB)
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xfc->fullscreenMonitors.bottom = settings->MonitorDefArray[i].orig_screen;
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vX = destX;
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vY = destY;
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vR = destR;
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vB = destB;
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}
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vscreen->area.left = 0;
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vscreen->area.right = vR - vX - 1;
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vscreen->area.top = 0;
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vscreen->area.bottom = vB - vY - 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 = xfc->workArea.height + xfc->workArea.y - 1;
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}
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if (!primaryMonitorFound)
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{
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/* If we have a command line setting we should use it */
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if (settings->NumMonitorIds)
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{
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/* The first monitor is the first in the setting which should be used */
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monitor_index = settings->MonitorIds[0];
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}
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else
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{
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/* This is the same as when we would trust the Xinerama results..
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and set the monitor index to zero.
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The monitor listed with /monitor-list on index zero is always the primary
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*/
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screen = DefaultScreenOfDisplay(xfc->display);
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monitor_index = XScreenNumberOfScreen(screen);
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}
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int j = monitor_index;
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/* If the "default" monitor is not 0,0 use it */
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if (settings->MonitorDefArray[j].x != 0 || settings->MonitorDefArray[j].y != 0)
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{
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settings->MonitorDefArray[j].is_primary = TRUE;
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settings->MonitorLocalShiftX = settings->MonitorDefArray[j].x;
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settings->MonitorLocalShiftY = settings->MonitorDefArray[j].y;
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primaryMonitorFound = TRUE;
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}
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else
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{
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/* Lets try to see if there is a monitor with a 0,0 coordinate and use it as a fallback*/
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for (i = 0; i < settings->MonitorCount; i++)
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{
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if (!primaryMonitorFound && settings->MonitorDefArray[i].x == 0
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&& settings->MonitorDefArray[i].y == 0)
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{
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settings->MonitorDefArray[i].is_primary = TRUE;
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settings->MonitorLocalShiftX = settings->MonitorDefArray[i].x;
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settings->MonitorLocalShiftY = settings->MonitorDefArray[i].y;
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primaryMonitorFound = TRUE;
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}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Subtract monitor shift from monitor variables for server-side use.
|
|
* We maintain monitor shift value as Window requires the primary monitor to have a coordinate of 0,0
|
|
* In some X configurations, no monitor may have a coordinate of 0,0. This can also be happen if the user
|
|
* requests specific monitors from the command-line as well. So, we make sure to translate our primary monitor's
|
|
* upper-left corner to 0,0 on the server.
|
|
*/
|
|
for (i = 0; i < settings->MonitorCount; i++)
|
|
{
|
|
settings->MonitorDefArray[i].x = settings->MonitorDefArray[i].x -
|
|
settings->MonitorLocalShiftX;
|
|
settings->MonitorDefArray[i].y = settings->MonitorDefArray[i].y -
|
|
settings->MonitorLocalShiftY;
|
|
}
|
|
|
|
/* Set the desktop width and height according to the bounding rectangle around the active monitors */
|
|
*pMaxWidth = vscreen->area.right - vscreen->area.left + 1;
|
|
*pMaxHeight = vscreen->area.bottom - vscreen->area.top + 1;
|
|
}
|
|
|
|
/* some 2008 server freeze at logon if we announce support for monitor layout PDU with
|
|
* #monitors < 2. So let's announce it only if we have more than 1 monitor.
|
|
*/
|
|
if (settings->MonitorCount)
|
|
settings->SupportMonitorLayoutPdu = TRUE;
|
|
|
|
#ifdef USABLE_XRANDR
|
|
|
|
if (rrmonitors)
|
|
XRRFreeMonitors(rrmonitors);
|
|
|
|
#endif
|
|
return TRUE;
|
|
}
|