| /* $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; |
| } |