Attachment 4037 Details for Bug 5275 – The test program

The test program

damage-bug-4.c (text/plain), 1.71 KB, created by Søren Sandmann Pedersen on 2005-12-08 07:46:19 UTC

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Creator: Søren Sandmann Pedersen

Created: 2005-12-08 07:46:19 UTC

Size: 1.71 KB

patch

obsolete

>#include <X11/Xlib.h>
>#include <X11/extensions/Xdamage.h>
>#include <stdlib.h>
>#include <stdio.h>
>#include <unistd.h>
>
>static int damage_event;
>static int damage_error;
>
>/* This program demonstrates that just moving a window
> * around generates damage events on it.
> */
>static void
>disaster (const char *what)
>{
>    fprintf (stderr, "Error: %s\n", what);
>    exit (0);
>}
>
>static void
>dump_events (Display *dpy, const char *header)
>{
>    int did_header = 0;
>    
>    XSync (dpy, False);
>    
>    while (XPending (dpy))
>    {
>	XEvent event;
>	
>	XNextEvent (dpy, &event);
>
>	if (header)
>	{
>	    if (!did_header)
>	    {
>		printf ("%s", header);
>		did_header = 1;
>	    }
>
>	    if (event.type == damage_event)
>	    {
>		printf ("  event: damage  (%lx)\n", 
>			event.xany.window);
>	    }
>	}
>    }
>}
>
>int
>main (int argc, char **argv)
>{
>    Display *dpy;
>    Window main_window;
>    Window subwindow;
>    int pos;
>    int i;
>
>    dpy = XOpenDisplay (NULL);
>
>    if (!XDamageQueryExtension (dpy, &damage_event, &damage_error))
>	;
>    
>    /* Create main window */
>    main_window = XCreateSimpleWindow (dpy, XDefaultRootWindow (dpy),
>				       100, 100, 600, 400, 0, 0, 0xffffffff);
>    XMapWindow (dpy, main_window);
>
>    /* (1) Create blue subwindow */
>
>    subwindow = XCreateSimpleWindow (dpy, main_window,
>				     50, 50, 500, 300,
>				     0, 0, 0x000000ff);
>
>    printf ("ID of subwindow: %lx\n", subwindow);
>    
>    XDamageCreate (dpy, subwindow, XDamageReportRawRectangles);
>
>    XMapWindow (dpy, subwindow);
>
>    XFlush (dpy);
>
>    pos = 50;
>    for (i = 0; i < 10; ++i)
>    {
>	dump_events (dpy, "events\n");
>
>	pos += 5;
>	if (pos > 100)
>	    pos = 0;
>
>	XMoveWindow (dpy, subwindow, pos, 50);
>	usleep (5000);
>	XFlush (dpy);
>    }
>    
>    sleep (10);
>    
>}

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Attachments on bug 5275: 4037 | 4324 | 4336

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