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/* $Id: sample_server.c,v 1.1 2003-08-06 17:47:15 keithw Exp $ */
/*
* Sample server that just keeps first available window mapped.
*/
#include <stdio.h>
#include <stdlib.h>
#include <GL/gl.h>
#include <GL/miniglx.h>
struct client {
struct client *next;
Window windowid;
int mappable;
};
struct client *clients = 0, *mapped_client = 0;
static struct client *find_client( Window id )
{
struct client *c;
for (c = clients ; c ; c = c->next)
if (c->windowid == id)
return c;
return 0;
}
int main( int argc, char *argv[] )
{
Display *dpy;
XEvent ev;
dpy = __miniglx_StartServer(NULL);
if (!dpy) {
fprintf(stderr, "Error: __miniglx_StartServer failed\n");
return 1;
}
while (XNextEvent( dpy, &ev )) {
struct client *c;
switch (ev.type) {
case MapRequest:
fprintf(stderr, "MapRequest\n");
c = find_client(ev.xmaprequest.window);
if (!c) break;
c->mappable = True;
break;
case UnmapNotify:
fprintf(stderr, "UnmapNotify\n");
c = find_client(ev.xunmap.window);
if (!c) break;
c->mappable = False;
if (c == mapped_client)
mapped_client = 0;
break;
case CreateNotify:
fprintf(stderr, "CreateNotify\n");
c = malloc(sizeof(*c));
c->next = clients;
c->windowid = ev.xcreatewindow.window;
c->mappable = False;
clients = c;
break;
case DestroyNotify:
fprintf(stderr, "DestroyNotify\n");
c = find_client(ev.xdestroywindow.window);
if (!c) break;
if (c == clients)
clients = c->next;
else {
struct client *t;
for (t = clients ; t->next != c ; t = t->next)
;
t->next = c->next;
}
if (c == mapped_client)
mapped_client = 0;
free(c);
break;
default:
break;
}
/* Search for first mappable client if none already mapped.
*/
if (!mapped_client) {
for (c = clients ; c ; c = c->next) {
if (c->mappable) {
XMapWindow( dpy, c->windowid );
mapped_client = c;
break;
}
}
}
}
XCloseDisplay( dpy );
return 0;
}
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