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/* vdesk: virtual desktops for any window manager vim:et:ts=4:
* Copyright 2001, 2003 Adam Sampson <azz@us-lot.org>
* Originally based on code from aewm:
* Copyright (c) 1998-2001 Decklin Foster.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS", WITHOUT ANY EXPRESS
* OR IMPLIED WARRANTIES OF ANY KIND. IN NO EVENT SHALL THE AUTHOR BE
* HELD LIABLE FOR ANY DAMAGES CONNECTED WITH THE USE OF THIS PROGRAM.
*
* You are granted permission to copy, publish, distribute, and/or sell
* copies of this program and any modified versions or derived works,
* provided that this copyright and notice are not removed or altered.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
Display *dpy;
Window root;
Atom wm_state, vdesk_desktop, wm_change_state;
/* Start off the current desk at 1 so that we can set the root
window correctly the first time we start up. */
long todesk, curdesk = 1;
void set_window_desk_vis(Window w, long n, long vis) {
long buf[2];
buf[0] = n; buf[1] = vis;
XChangeProperty(dpy, w, vdesk_desktop, vdesk_desktop, 32, PropModeReplace,
(unsigned char *)buf, 2);
}
long get_window_desk_vis(Window w, long *ovis) {
Atom real_type; int real_format;
unsigned long items_read, items_left;
long *data, n = -1, vis = -1;
if (XGetWindowProperty(dpy, w, vdesk_desktop, 0L, 2L, False,
vdesk_desktop, &real_type, &real_format, &items_read, &items_left,
(unsigned char **) &data) == Success && items_read) {
n = data[0];
vis = data[1];
XFree(data);
}
if (n == -1) {
/* If it's not set, make it the current desk and visible. */
set_window_desk_vis(w, curdesk, 1);
*ovis = 1;
return curdesk;
} else {
*ovis = vis;
return n;
}
}
long get_wm_state(Window w)
{
Atom real_type; int real_format;
unsigned long items_read, items_left;
long *data, state = WithdrawnState;
if (XGetWindowProperty(dpy, w, wm_state, 0L, 2L, False,
wm_state, &real_type, &real_format, &items_read, &items_left,
(unsigned char **) &data) == Success && items_read) {
state = *data;
XFree(data);
}
return state;
}
void iconify_window(Window w) {
XEvent ev;
memset(&ev, 0, sizeof ev);
ev.xclient.type = ClientMessage;
ev.xclient.window = w;
ev.xclient.message_type = wm_change_state;
ev.xclient.format = 32;
ev.xclient.data.l[0] = IconicState;
ev.xclient.data.l[1] = CurrentTime;
XSendEvent(dpy, root, False, SubstructureRedirectMask, &ev);
}
void uniconify_window(Window w) {
XMapWindow(dpy, w);
}
void on_clients(Window w) {
Window dummy_w, *wins;
unsigned int i, nwins;
long state = get_wm_state(w);
if (state != WithdrawnState) {
long vis, n;
n = get_window_desk_vis(w, &vis);
if (state == NormalState) {
/* If the window isn't sticky, changing desktops will
always hide it. */
if (n) {
/* Since it was visible, it's been moved behind our back
and should really be on this desktop. */
set_window_desk_vis(w, curdesk, 1);
/* And hide it. */
iconify_window(w);
}
} else {
if (n == curdesk) {
/* Invisible, but on the current desktop -- means
it's been iconified. */
set_window_desk_vis(w, curdesk, 0);
} else if (n == todesk && vis == 1) {
uniconify_window(w);
}
}
} else if (XQueryTree(dpy, w, &dummy_w, &dummy_w, &wins, &nwins)) {
for (i = 0; i < nwins; i++)
on_clients(wins[i]);
XFree(wins);
}
}
void usage() {
printf(PACKAGE_STRING " by Adam Sampson\n"
"Usage: vdesk [OPTION]... [DESKTOP [WINDOW]...]\n\n"
"To print the current desktop number:\n"
" vdesk\n"
"To switch to desktop DESKTOP:\n"
" vdesk DESKTOP\n"
"To move windows to a desktop (desk 0 is sticky):\n"
" vdesk DESKTOP WINDOWID [WINDOWID]...\n"
"DESKTOP can be any positive integer. WINDOWIDs are in hex.\n\n"
"Report bugs to <" PACKAGE_BUGREPORT ">.\n");
exit(20);
}
int main(int argc, char **argv) {
long t;
int change = 0;
opterr = 0;
while (1) {
int c = getopt(argc, argv, "+?");
if (c == -1)
break;
/* No options supported yet; just show the usage message. */
usage();
}
dpy = XOpenDisplay(NULL);
if (!dpy) {
fprintf(stderr, "%s: cannot open display\n", argv[0]);
return 20;
}
wm_state = XInternAtom(dpy, "WM_STATE", False);
vdesk_desktop = XInternAtom(dpy, "VDESK_DESKTOP", False);
wm_change_state = XInternAtom(dpy, "WM_CHANGE_STATE", False);
root = DefaultRootWindow(dpy);
curdesk = get_window_desk_vis(root, &t);
if (optind == argc) {
/* Print the current desktop number. */
printf("%ld\n", curdesk);
return 0;
}
if ((argc - optind) == 1)
change = 1;
todesk = strtol(argv[optind], NULL, 0);
if (todesk < 0 || (change && todesk == 0)) {
fprintf(stderr, "%s: bad desktop number '%s'\n", argv[0], argv[optind]);
usage();
}
++optind;
if (change) {
/* Switch to the given desktop. */
if (todesk != curdesk) {
on_clients(root);
set_window_desk_vis(root, todesk, 1);
}
} else {
/* Move the given windows to the given desktop. */
Window w;
int i;
for (i = optind; i < argc; i++) {
w = strtol(argv[i], NULL, 0);
if (w) {
int is_visible = get_wm_state(w) == NormalState;
set_window_desk_vis(w, todesk, is_visible);
if (!is_visible && (todesk == curdesk || !todesk)) {
uniconify_window(w);
}
if (is_visible && todesk && todesk != curdesk) {
iconify_window(w);
}
} else {
fprintf(stderr, "%s: bad window id '%s'\n", argv[0], argv[i]);
usage();
}
}
}
XSync(dpy, False);
return 0;
}
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