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/* | ||
* hidden - A small program to listen all windows with WM_STATE set to | ||
* Iconic. | ||
* | ||
* Copyright (c) 2012 Michael Cardell Widerkrantz, mc at the domain | ||
* hack.org. | ||
* | ||
* Permission to use, copy, modify, and distribute this software for any | ||
* purpose with or without fee is hereby granted, provided that the above | ||
* copyright notice and this permission notice appear in all copies. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
*/ | ||
#include <stdlib.h> | ||
#include <stdio.h> | ||
#include <stdbool.h> | ||
#include <string.h> | ||
#include <getopt.h> | ||
#include <xcb/xcb.h> | ||
#include <xcb/xcb_icccm.h> | ||
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xcb_connection_t *conn; | ||
xcb_screen_t *screen; | ||
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xcb_atom_t wm_state; | ||
xcb_atom_t wm_icon_name; | ||
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bool printcommand = false; | ||
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static uint32_t get_wm_state(xcb_drawable_t win); | ||
static int findhidden(void); | ||
static void init(void); | ||
static void cleanup(void); | ||
static xcb_atom_t getatom(char *atom_name); | ||
static void printhelp(void); | ||
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uint32_t get_wm_state(xcb_drawable_t win) | ||
{ | ||
xcb_get_property_reply_t *reply; | ||
xcb_get_property_cookie_t cookie; | ||
uint32_t *statep; | ||
uint32_t state = 0; | ||
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cookie = xcb_get_property(conn, false, win, wm_state, wm_state, 0, | ||
sizeof (int32_t)); | ||
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reply = xcb_get_property_reply(conn, cookie, NULL); | ||
if (NULL == reply) | ||
{ | ||
fprintf(stderr, "mcwm: Couldn't get properties for win %d\n", win); | ||
return -1; | ||
} | ||
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/* Length is 0 if we didn't find it. */ | ||
if (0 == xcb_get_property_value_length(reply)) | ||
{ | ||
goto bad; | ||
} | ||
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statep = xcb_get_property_value(reply); | ||
state = *statep; | ||
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bad: | ||
free(reply); | ||
return state; | ||
} | ||
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/* | ||
* List all hidden windows. | ||
* | ||
*/ | ||
int findhidden(void) | ||
{ | ||
xcb_query_tree_reply_t *reply; | ||
int i; | ||
int len; | ||
xcb_window_t *children; | ||
xcb_get_window_attributes_reply_t *attr; | ||
uint32_t state; | ||
xcb_get_property_cookie_t cookie; | ||
xcb_icccm_get_text_property_reply_t prop; | ||
xcb_generic_error_t *error; | ||
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/* Get all children. */ | ||
reply = xcb_query_tree_reply(conn, | ||
xcb_query_tree(conn, screen->root), 0); | ||
if (NULL == reply) | ||
{ | ||
return -1; | ||
} | ||
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len = xcb_query_tree_children_length(reply); | ||
children = xcb_query_tree_children(reply); | ||
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/* List all hidden windows on this root. */ | ||
for (i = 0; i < len; i ++) | ||
{ | ||
attr = xcb_get_window_attributes_reply( | ||
conn, xcb_get_window_attributes(conn, children[i]), NULL); | ||
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if (!attr) | ||
{ | ||
fprintf(stderr, "Couldn't get attributes for window %d.", | ||
children[i]); | ||
continue; | ||
} | ||
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/* | ||
* Don't bother windows in override redirect mode. | ||
* | ||
* This mode means they wouldn't have been reported to us | ||
* with a MapRequest if we had been running, so in the | ||
* normal case we wouldn't have seen them. | ||
*/ | ||
if (!attr->override_redirect) | ||
{ | ||
state = get_wm_state(children[i]); | ||
if (state == XCB_ICCCM_WM_STATE_ICONIC) | ||
{ | ||
/* | ||
* Example names: | ||
* | ||
* _NET_WM_ICON_NAME(UTF8_STRING) = 0x75, 0x72, 0x78, | ||
* 0x76, 0x74 WM_ICON_NAME(STRING) = "urxvt" | ||
* _NET_WM_NAME(UTF8_STRING) = 0x75, 0x72, 0x78, 0x76, | ||
* 0x74 WM_NAME(STRING) = "urxvt" | ||
*/ | ||
cookie = xcb_icccm_get_wm_icon_name(conn, children[i]); | ||
xcb_icccm_get_wm_icon_name_reply(conn, cookie, &prop, &error); | ||
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prop.name[prop.name_len] = '\0'; | ||
if (printcommand) | ||
{ | ||
/* FIXME: Need to escape : in prop.name. */ | ||
printf("'%s':'xdotool windowmap 0x%x windowraise 0x%x'\n", | ||
prop.name, children[i], children[i]); | ||
} | ||
else | ||
{ | ||
puts(prop.name); | ||
} | ||
} | ||
} /* if not override redirect */ | ||
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free(attr); | ||
} /* for */ | ||
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free(reply); | ||
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return 0; | ||
} | ||
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void init(void) | ||
{ | ||
int scrno; | ||
xcb_screen_iterator_t iter; | ||
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conn = xcb_connect(NULL, &scrno); | ||
if (!conn) | ||
{ | ||
fprintf(stderr, "can't connect to an X server\n"); | ||
exit(1); | ||
} | ||
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iter = xcb_setup_roots_iterator(xcb_get_setup(conn)); | ||
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for (int i = 0; i < scrno; ++i) | ||
{ | ||
xcb_screen_next(&iter); | ||
} | ||
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screen = iter.data; | ||
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if (!screen) | ||
{ | ||
fprintf(stderr, "can't get the current screen\n"); | ||
xcb_disconnect(conn); | ||
exit(1); | ||
} | ||
} | ||
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void cleanup(void) | ||
{ | ||
xcb_disconnect(conn); | ||
} | ||
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/* | ||
* Get a defined atom from the X server. | ||
*/ | ||
xcb_atom_t getatom(char *atom_name) | ||
{ | ||
xcb_intern_atom_cookie_t atom_cookie; | ||
xcb_atom_t atom; | ||
xcb_intern_atom_reply_t *rep; | ||
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atom_cookie = xcb_intern_atom(conn, 0, strlen(atom_name), atom_name); | ||
rep = xcb_intern_atom_reply(conn, atom_cookie, NULL); | ||
if (NULL != rep) | ||
{ | ||
atom = rep->atom; | ||
free(rep); | ||
return atom; | ||
} | ||
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/* | ||
* XXX Note that we return 0 as an atom if anything goes wrong. | ||
* Might become interesting. | ||
*/ | ||
return 0; | ||
} | ||
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void printhelp(void) | ||
{ | ||
printf("hidden: Usage: hidden [-c]\n"); | ||
printf(" -c print 9menu/xdotool compatible output.\n"); | ||
} | ||
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int main(int argc, char **argv) | ||
{ | ||
int ch; /* Option character */ | ||
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while (1) | ||
{ | ||
ch = getopt(argc, argv, "c"); | ||
if (-1 == ch) | ||
{ | ||
/* No more options, break out of while loop. */ | ||
break; | ||
} | ||
switch (ch) | ||
{ | ||
case 'c': | ||
printcommand = true; | ||
break; | ||
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default: | ||
printhelp(); | ||
exit(0); | ||
} /* switch ch */ | ||
} /* while 1 */ | ||
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init(); | ||
wm_state = getatom("WM_STATE"); | ||
findhidden(); | ||
cleanup(); | ||
exit(0); | ||
} |
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.TH hidden 1 "Mar 09, 2012" "" "" | ||
.SH NAME | ||
hidden \- list iconified windows | ||
.SH SYNOPSIS | ||
.B hidden | ||
[ | ||
.B \-c | ||
] | ||
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.SH DESCRIPTION | ||
.B hidden\fP lists all windows on an X server with WM_STATE Iconic. | ||
.SH OPTIONS | ||
.PP | ||
\-c prints a command suitable to get the window back again. | ||
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.SH ENVIRONMENT | ||
.B hidden\fP obeys the $DISPLAY variable. | ||
.SH AUTHOR | ||
Michael Cardell Widerkrantz <mc@hack.org>. |