146 lines
4.2 KiB
C
146 lines
4.2 KiB
C
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2013
|
|
*
|
|
* 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 <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <signal.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#include <X11/extensions/Xrandr.h>
|
|
|
|
static int
|
|
process_randr(Display *disp, Screen *screen, int screenNumber, Window win,
|
|
int event_base, XEvent *ev)
|
|
{
|
|
XRRScreenChangeNotifyEvent *rr_screen_change_notify;
|
|
|
|
switch (ev->type - event_base)
|
|
{
|
|
case RRScreenChangeNotify:
|
|
XRRUpdateConfiguration(ev);
|
|
rr_screen_change_notify = (XRRScreenChangeNotifyEvent *) ev;
|
|
printf("RRScreenChangeNotify: width %d height %d\n",
|
|
rr_screen_change_notify->width,
|
|
rr_screen_change_notify->height);
|
|
printf("DisplayWidth %d DisplayHeight %d\n",
|
|
DisplayWidth(disp, screenNumber),
|
|
DisplayHeight(disp, screenNumber));
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
XEvent ev;
|
|
Display *disp;
|
|
Window win;
|
|
Window root_window;
|
|
Screen *screen;
|
|
int screenNumber;
|
|
int eventMask;
|
|
int white;
|
|
int black;
|
|
int rr_event_base;
|
|
int rr_error_base;
|
|
int ver_maj;
|
|
int ver_min;
|
|
int cont;
|
|
|
|
disp = XOpenDisplay(0);
|
|
if (disp == 0)
|
|
{
|
|
printf("error opening display\n");
|
|
return 1;
|
|
}
|
|
screenNumber = DefaultScreen(disp);
|
|
white = WhitePixel(disp, screenNumber);
|
|
black = BlackPixel(disp, screenNumber);
|
|
|
|
screen = ScreenOfDisplay(disp, screenNumber);
|
|
root_window = RootWindowOfScreen(screen);
|
|
|
|
eventMask = StructureNotifyMask;
|
|
XSelectInput(disp, root_window, eventMask);
|
|
|
|
win = XCreateSimpleWindow(disp, root_window, 50, 50, 250, 250,
|
|
0, black, white);
|
|
|
|
XMapWindow(disp, win);
|
|
eventMask = StructureNotifyMask | VisibilityChangeMask;
|
|
XSelectInput(disp, win, eventMask);
|
|
|
|
eventMask = KeyPressMask | KeyReleaseMask | ButtonPressMask |
|
|
ButtonReleaseMask | VisibilityChangeMask |
|
|
FocusChangeMask | StructureNotifyMask |
|
|
PointerMotionMask | ExposureMask | PropertyChangeMask;
|
|
XSelectInput(disp, win, eventMask);
|
|
|
|
if (!XRRQueryExtension(disp, &rr_event_base, &rr_error_base))
|
|
{
|
|
printf("error randr\n");
|
|
return 1;
|
|
}
|
|
XRRQueryVersion(disp, &ver_maj, &ver_min);
|
|
printf("randr version %d %d\n", ver_maj, ver_min);
|
|
|
|
XRRSelectInput(disp, win, RRScreenChangeNotifyMask);
|
|
|
|
cont = 1;
|
|
while (cont)
|
|
{
|
|
XNextEvent(disp, &ev);
|
|
switch (ev.type)
|
|
{
|
|
case ButtonPress:
|
|
cont = 0;
|
|
break;
|
|
case ClientMessage:
|
|
printf("ClientMessage\n");
|
|
break;
|
|
case ConfigureNotify:
|
|
if (ev.xconfigure.window == root_window)
|
|
{
|
|
XRRUpdateConfiguration(&ev);
|
|
printf("ConfigureNotify for root window "
|
|
"width %d height %d\n",
|
|
ev.xconfigure.width, ev.xconfigure.height);
|
|
}
|
|
break;
|
|
default:
|
|
if ((ev.type >= rr_event_base) &&
|
|
(ev.type < rr_event_base + RRNumberEvents))
|
|
{
|
|
printf("randr\n");
|
|
process_randr(disp, screen, screenNumber, win,
|
|
rr_event_base, &ev);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
} |