diff options
Diffstat (limited to 'create_window_x11.c')
-rw-r--r-- | create_window_x11.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/create_window_x11.c b/create_window_x11.c new file mode 100644 index 0000000..5d30aad --- /dev/null +++ b/create_window_x11.c @@ -0,0 +1,82 @@ +/* + * 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); +} |