-/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
-
- kdetrayproxy.c for the Openbox window manager
- Copyright (c) 2003 Ben Jansens
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- See the COPYING file for a copy of the GNU General Public License.
-*/
-
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/select.h>
-#include <unistd.h>
-#include <sys/time.h>
-
-typedef struct IList {
- Window win;
- int ignore_unmaps;
-
- struct IList *next;
-} IList;
-
-Display *display;
-Window root;
-Atom winhint;
-Atom roothint;
-int xfd;
-IList *list;
-
-void init();
-void eventloop();
-void handleevent(XEvent *e);
-void addicon(Window win);
-void removeicon(Window win, int unmap);
-int issystray(Atom *a, int n);
-void updatehint();
-Window findclient(Window win);
-int ignore_errors(Display *d, XErrorEvent *e);
-void wait_time(unsigned int t);
-
-int main()
-{
- init();
- updatehint();
- eventloop();
- return 0;
-}
-
-void init()
-{
- display = XOpenDisplay(NULL);
- if (!display) {
- fprintf(stderr, "Could not open display\n");
- exit(EXIT_FAILURE);
- }
-
- xfd = ConnectionNumber(display);
-
- root = RootWindowOfScreen(DefaultScreenOfDisplay(display));
-
- winhint = XInternAtom(display, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", 0);
- roothint = XInternAtom(display, "_KDE_NET_SYSTEM_TRAY_WINDOWS", 0);
-
- XSelectInput(display, root, SubstructureNotifyMask);
-}
-
-void eventloop()
-{
- XEvent e;
- fd_set set;
-
- while (1) {
- int event = False;
- while (XPending(display)) {
- event = True;
- XNextEvent(display, &e);
- handleevent(&e);
- }
- if (!event) {
- FD_ZERO(&set);
- FD_SET(xfd, &set);
- select(xfd + 1, &set, NULL, NULL, NULL);
- }
- }
-}
-
-void handleevent(XEvent *e)
-{
- switch (e->type) {
- case MapNotify:
- {
- Atom *a;
- int n;
- Window w;
-
- w = findclient(e->xmap.window);
- if (w) {
- a = XListProperties(display, w, &n);
- if (issystray(a, n))
- addicon(w);
- XFree(a);
- }
- break;
- }
- case UnmapNotify:
- removeicon(e->xunmap.window, True);
- break;
- case DestroyNotify:
- removeicon(e->xdestroywindow.window, False);
- break;
- }
-}
-
-int ignore_errors(Display *d, XErrorEvent *e)
-{
- (void)d; (void)e;
- return 1;
-}
-
-void addicon(Window win)
-{
- IList *it;
-
- for (it = list; it; it = it->next)
- if (it->win == win) return; /* duplicate */
-
- it = list;
- list = malloc(sizeof(IList));
- list->win = win;
- list->ignore_unmaps = 2;
- list->next = it;
-
- XSelectInput(display, win, StructureNotifyMask);
- /* if i set the root hint too fast the dock app can fuck itself up */
- wait_time(1000000 / 8);
- updatehint();
-}
-
-void removeicon(Window win, int unmap)
-{
- IList *it, *last = NULL;
- int (*old)(Display *, XErrorEvent *);
-
- for (it = list; it; last = it, it = it->next)
- if (it->win == win) {
- if (it->ignore_unmaps && unmap) {
- it->ignore_unmaps--;
- return;
- }
-
- if (!last)
- list = it->next;
- else
- last->next = it->next;
-
- XSync(display, False);
- old = XSetErrorHandler(ignore_errors);
- XSelectInput(display, win, NoEventMask);
- XSync(display, False);
- XSetErrorHandler(old);
- free(it);
-
- updatehint();
- }
-}
-
-int issystray(Atom *a, int n)
-{
- int i, r = False;
-
- for (i = 0; i < n; ++i) {
- if (a[i] == winhint) {
- r = True;
- break;
- }
- }
- return r;
-}
-
-void updatehint()
-{
- IList *it;
- int *wins, n, i;
-
- for (it = list, n = 0; it; it = it->next, ++n) ;
- if (n) {
- wins = malloc(sizeof(int) * n);
- for (it = list, i = 0; it; it = it->next, ++i)
- wins[i] = it->win;
- } else
- wins = NULL;
- XChangeProperty(display, root, roothint, XA_WINDOW, 32, PropModeReplace,
- (unsigned char*) wins, n);
-}
-
-Window findclient(Window win)
-{
- Window r, *children;
- unsigned int n, i;
- Atom state = XInternAtom(display, "WM_STATE", True);
- Atom ret_type;
- int ret_format;
- unsigned long ret_items, ret_bytesleft;
- unsigned long *prop_return;
-
- XQueryTree(display, win, &r, &r, &children, &n);
- for (i = 0; i < n; ++i) {
- Window w = findclient(children[i]);
- if (w) return w;
- }
-
- /* try me */
- XGetWindowProperty(display, win, state, 0, 1,
- False, state, &ret_type, &ret_format,
- &ret_items, &ret_bytesleft,
- (unsigned char**) &prop_return);
- if (ret_type == None || ret_items < 1)
- return None;
- return win; /* found it! */
-}
-
-void wait_time(unsigned int t)
-{
- struct timeval time;
- time.tv_sec = 0;
- time.tv_usec = t;
- select(1, NULL, NULL, NULL, &time);
-}
projects / dana / openbox.git / commitdiff