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/*
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include "create_window.h"
#define FATAL_ERROR(msg) \
do { \
printf("Fatal Error: %s\n",msg); \
printf("failed at %s:%d\n", __FILE__,__LINE__); \
exit(1); \
} while (0)
static Display *dpy = NULL;
static Window win = 0;
EGLNativeWindowType CreateWindow(int width, int height, const char *name)
{
XEvent evt;
int scr;
if (dpy != NULL || win != 0) {
FATAL_ERROR("only one window supported");
}
dpy = XOpenDisplay(NULL);
if (dpy == NULL) {
FATAL_ERROR("XOpenDisplay");
}
scr = DefaultScreen(dpy);
win = XCreateSimpleWindow(dpy, RootWindow(dpy, scr),
0, 0, width, height, 1,
BlackPixel(dpy, scr), WhitePixel(dpy, scr));
if (!win) {
FATAL_ERROR("XCreateSimpleWindow");
}
XChangeProperty(dpy, win, XA_WM_NAME, XA_STRING,
8, PropModeReplace, name, name ? strlen(name) : 0);
XSelectInput(dpy, win, KeyPressMask | ExposureMask);
XMapWindow(dpy, win);
XSync(dpy, False);
return win;
}
void DestroyWindow(EGLNativeWindowType w)
{
if ((Window)w != win) {
FATAL_ERROR(__FUNCTION__);
}
XDestroyWindow(dpy, win);
}
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