Attachment 38018 Details for Bug 11503 – Creates window with visible coordinates > 32767 and attempts to draw

Creates window with visible coordinates > 32767 and attempts to draw

hugecoord.c (text/plain), 1.07 KB, created by Keith Packard on 2010-08-20 09:58:04 UTC

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Creator: Keith Packard

Created: 2010-08-20 09:58:04 UTC

Size: 1.07 KB

patch

obsolete

>#include <stdio.h>
>#include <X11/Xlib.h>
>
>int
>main (int argc, char **argv)
>{
>	Display			*dpy;
>	Window			parent, child;
>	GC			gc;
>	XSetWindowAttributes	attr;
>	unsigned long		bits;
>	XEvent			ev;
>
>	dpy = XOpenDisplay(NULL);
>	if (!dpy) {
>		fprintf(stderr, "Failed to open display\n");
>		return 1;
>	}
>	attr.background_pixel = WhitePixel(dpy,0);
>	attr.event_mask = ExposureMask|KeyPressMask;
>	bits = CWBackPixel|CWEventMask;
>	parent = XCreateWindow(dpy, RootWindow(dpy,0), 0, 0, 200, 200, 0, DefaultDepth(dpy, 0),
>			       CopyFromParent, CopyFromParent, bits, &attr);
>	child = XCreateWindow(dpy, parent, 0, -32760, 200, 32760 + 200, 0, DefaultDepth(dpy, 0),
>			       CopyFromParent, CopyFromParent, bits, &attr);
>	gc = XCreateGC(dpy, child, 0, NULL);
>	XSetForeground(dpy, gc, BlackPixel(dpy,0));
>	XMapWindow(dpy, child);
>	XMapWindow(dpy, parent);
>	for (;;) {
>		XNextEvent(dpy, &ev);
>		switch (ev.type) {
>		case Expose:
>			if (ev.xexpose.window == child) {
>				XDrawLine(dpy, child, gc, 0, 32760, 100, 32760 + 100);
>			}
>		default:
>			continue;
>		case KeyPress:
>			break;
>		}
>		break;
>	}
>	return 0;
>}

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Attachments on bug 11503: 37924 | 37994 | 38018

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