awesome/tag.c

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/*
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* tag.c - tag management
*
* Copyright © 2007 Julien Danjou <julien@danjou.info>
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
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#include <stdio.h>
#include <X11/Xutil.h>
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#include "screen.h"
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#include "tag.h"
#include "rules.h"
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#include "client.h"
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#include "ewmh.h"
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#include "widget.h"
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extern AwesomeConf globalconf;
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Tag *
tag_new(const char *name, Layout *layout, double mwfact, int nmaster, int ncol)
{
Tag *tag;
tag = p_new(Tag, 1);
tag->name = a_strdup(name);
tag->layout = layout;
tag->mwfact = mwfact;
tag->nmaster = nmaster;
tag->ncol = ncol;
return tag;
}
static void
tag_append_to_screen(Tag *tag, int screen)
{
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tag->screen = screen;
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tag_list_append(&globalconf.screens[screen].tags, tag);
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
void
tag_push_to_screen(Tag *tag, int screen)
{
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tag->screen = screen;
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tag_list_push(&globalconf.screens[screen].tags, tag);
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
void
tag_client(Client *c, Tag *t)
{
tag_client_node_t *tc;
/* don't tag twice */
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if(is_client_tagged(c, t))
return;
tc = p_new(tag_client_node_t, 1);
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tc->client = c;
tc->tag = t;
tag_client_node_list_push(&globalconf.tclink, tc);
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client_saveprops(c);
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widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
globalconf.screens[c->screen].need_arrange = True;
}
void
untag_client(Client *c, Tag *t)
{
tag_client_node_t *tc;
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for(tc = globalconf.tclink; tc; tc = tc->next)
if(tc->client == c && tc->tag == t)
{
tag_client_node_list_detach(&globalconf.tclink, tc);
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p_delete(&tc);
break;
}
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client_saveprops(c);
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widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
globalconf.screens[c->screen].need_arrange = True;
}
Bool
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is_client_tagged(Client *c, Tag *t)
{
tag_client_node_t *tc;
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if(!c)
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return False;
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for(tc = globalconf.tclink; tc; tc = tc->next)
if(tc->client == c && tc->tag == t)
return True;
return False;
}
void
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tag_client_with_current_selected(Client *c)
{
Tag *tag;
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VirtScreen vscreen = globalconf.screens[c->screen];
for(tag = vscreen.tags; tag; tag = tag->next)
if(tag->selected)
tag_client(c, tag);
else
untag_client(c, tag);
}
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void
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tag_client_with_rule(Client *c, Rule *r)
{
Tag *tag;
Bool matched = False;
if(!r) return;
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/* check if at least one tag match */
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for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
if(tag_match_rule(tag, r))
{
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matched = True;
break;
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}
if(matched)
for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
if(tag_match_rule(tag, r))
tag_client(c, tag);
else
untag_client(c, tag);
}
Tag **
tags_get_current(int screen)
{
Tag *tag, **tags = NULL;
int n = 1;
tags = p_new(Tag *, n);
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
if(tag->selected)
{
p_realloc(&tags, ++n);
tags[n - 2] = tag;
}
/* finish with null */
tags[n - 1] = NULL;
return tags;
}
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/** Tag selected window with tag
* \param screen Screen ID
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* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_client_tag(int screen, char *arg)
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{
int tag_id = -1;
Tag *tag, *target_tag;
Client *sel = globalconf.focus->client;
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if(!sel)
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return;
if(arg)
{
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tag_id = atoi(arg) - 1;
if(tag_id != -1)
{
for(target_tag = globalconf.screens[screen].tags; target_tag && tag_id > 0;
target_tag = target_tag->next, tag_id--);
if(target_tag)
{
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
untag_client(sel, tag);
tag_client(sel, target_tag);
}
}
}
else
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
tag_client(sel, tag);
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}
/** Toggle a tag on client
* \param screen Screen ID
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* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_client_toggletag(int screen, char *arg)
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{
Client *sel = globalconf.focus->client;
int i;
Tag *tag, *target_tag;
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if(!sel)
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return;
if(arg)
{
i = atoi(arg) - 1;
for(target_tag = globalconf.screens[screen].tags; target_tag && i > 0;
target_tag = target_tag->next, i--);
if(target_tag)
{
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if(is_client_tagged(sel, target_tag))
untag_client(sel, target_tag);
else
tag_client(sel, target_tag);
}
/* check that there's at least one tag selected for this client*/
for(tag = globalconf.screens[screen].tags; tag
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&& !is_client_tagged(sel, tag); tag = tag->next)
if(!tag)
tag_client(sel, target_tag);
}
else
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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if(is_client_tagged(sel, tag))
tag_client(sel, tag);
else
untag_client(sel, tag);
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}
/** Add a tag to viewed tags
* \param screen Screen ID
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* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_tag_toggleview(int screen, char *arg)
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{
int i;
Tag *tag, *target_tag;
if(arg)
{
i = atoi(arg) - 1;
for(target_tag = globalconf.screens[screen].tags; target_tag && i > 0;
target_tag = target_tag->next, i--);
if(target_tag)
tag_view(target_tag, !target_tag->selected);
/* check that there's at least one tag selected */
for(tag = globalconf.screens[screen].tags; tag && !tag->selected; tag = tag->next);
if(!tag)
tag_view(target_tag, True);
}
else
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
tag_view(tag, !tag->selected);
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}
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static void
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tag_view_only(Tag *target)
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{
Tag *tag;
if(!target) return;
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for(tag = globalconf.screens[target->screen].tags; tag; tag = tag->next)
tag_view(tag, False);
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tag_view(target, True);
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}
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void
tag_view_byindex(int screen, int dindex, Bool view)
{
Tag *tag;
if(dindex < 0)
return;
for(tag = globalconf.screens[screen].tags; tag && dindex > 0;
tag = tag->next, dindex--);
tag_view(tag, view);
}
void
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tag_view_only_byindex(int screen, int dindex)
{
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Tag *tag;
if(dindex < 0)
return;
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for(tag = globalconf.screens[screen].tags; tag && dindex > 0;
tag = tag->next, dindex--);
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tag_view_only(tag);
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}
void
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tag_view(Tag *tag, Bool view)
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{
tag->selected = view;
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ewmh_update_net_current_desktop(get_phys_screen(tag->screen));
widget_invalidate_cache(tag->screen, WIDGET_CACHE_TAGS);
saveawesomeprops(tag->screen);
globalconf.screens[tag->screen].need_arrange = True;
}
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/** View tag
* \param screen Screen ID
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* \param arg tag to view
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* \ingroup ui_callback
*/
void
uicb_tag_view(int screen, char *arg)
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{
Tag *tag;
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if(arg)
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tag_view_only_byindex(screen, atoi(arg) - 1);
else
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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tag_view(tag, True);
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}
/** View previously selected tags
* \param screen Screen ID
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* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_prev_selected(int screen, char *arg __attribute__ ((unused)))
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{
Tag *tag;
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Bool t;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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{
t = tag->selected;
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tag_view(tag, tag->was_selected);
tag->was_selected = t;
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}
}
/** View next tag
* \param screen Screen ID
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* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_viewnext(int screen, char *arg __attribute__ ((unused)))
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{
Tag *tag, **curtags = tags_get_current(screen);
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tag = tag_list_next_cycle(&globalconf.screens[screen].tags, curtags[0]);
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tag_view(curtags[0], False);
tag_view(tag, True);
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p_delete(&curtags);
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}
/** View previous tag
* \param screen Screen ID
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* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_viewprev(int screen, char *arg __attribute__ ((unused)))
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{
Tag *tag, **curtags = tags_get_current(screen);
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tag = tag_list_prev_cycle(&globalconf.screens[screen].tags, curtags[0]);
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tag_view(curtags[0], False);
tag_view(tag, True);
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p_delete(&curtags);
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}
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void
uicb_tag_create(int screen, char *arg)
{
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Tag *tag;
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if(!a_strlen(arg))
return;
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tag = tag_new(arg, globalconf.screens[screen].layouts, 0.5, 1, 1);
tag_append_to_screen(tag, screen);
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}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80