main.c - ltkx - GUI toolkit for X11 (old)
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main.c (1396B)
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1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <X11/Xlib.h>
4 #include <X11/Xutil.h>
5 #include <X11/Xos.h>
6
7 int main(int argc, char *argv[])
8 {
9 Display *display;
10 int screen;
11 Window window;
12 GC gc;
13
14 unsigned long black, white;
15 XColor green;
16 Colormap colormap;
17 display = XOpenDisplay((char *) 0);
18 screen = DefaultScreen(display);
19 colormap = DefaultColormap(display, screen);
20 black = BlackPixel(display, screen);
21 white = WhitePixel(display, screen);
22 XParseColor(display, colormap, "#00FF00", &green);
23 XAllocColor(display, colormap, &green);
24 window =
25 XCreateSimpleWindow(display, DefaultRootWindow(display), 0, 0,
26 200, 300, 0, white, green.pixel);
27 XSetStandardProperties(display, window, "Random Window", NULL,
28 None, NULL, 0, NULL);
29 XSelectInput(display, window,
30 ExposureMask | ButtonPressMask | KeyPressMask);
31 gc = XCreateGC(display, window, 0, 0);
32 XSetBackground(display, gc, white);
33 XSetForeground(display, gc, black);
34 XClearWindow(display, window);
35 XMapRaised(display, window);
36
37 XEvent event;
38 KeySym key;
39 char text[255];
40
41 while (1) {
42 XNextEvent(display, &event);
43 if (event.type == KeyPress
44 && XLookupString(&event.xkey, text, 255, &key,
45 0) == 1) {
46 if (text[0] == 'q') {
47 XFreeGC(display, gc);
48 XFreeColormap(display, colormap);
49 XDestroyWindow(display, window);
50 XCloseDisplay(display);
51 exit(0);
52 }
53 }
54 }
55 }