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