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awesome/tag.c
Julien Danjou 99e54ef971 use list functions for Tag
2008-01-21 16:31:13 +01:00

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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.
*
*/
#include <stdio.h>
#include <X11/Xutil.h>
#include "screen.h"
#include "tag.h"
#include "util.h"
#include "rules.h"
#include "client.h"
#include "ewmh.h"
#include "widget.h"
extern AwesomeConf globalconf;
static void
detach_tagclientlink(TagClientLink *tc)
{
TagClientLink *tmp;
if(globalconf.tclink == tc)
globalconf.tclink = tc->next;
else
{
for(tmp = globalconf.tclink; tmp && tmp->next != tc; tmp = tmp->next);
tmp->next = tc->next;
}
p_delete(&tc);
}
void
tag_client(Client *c, Tag *t)
{
TagClientLink *tc, *new_tc;
/* don't tag twice */
if(is_client_tagged(c, t))
return;
new_tc = p_new(TagClientLink, 1);
if(!globalconf.tclink)
globalconf.tclink = new_tc;
else
{
for(tc = globalconf.tclink; tc->next; tc = tc->next);
tc->next = new_tc;
}
new_tc->client = c;
new_tc->tag = t;
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
void
untag_client(Client *c, Tag *t)
{
TagClientLink *tc;
for(tc = globalconf.tclink; tc; tc = tc->next)
if(tc->client == c && tc->tag == t)
{
detach_tagclientlink(tc);
break;
}
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
Bool
is_client_tagged(Client *c, Tag *t)
{
TagClientLink *tc;
if(!c)
return False;
for(tc = globalconf.tclink; tc; tc = tc->next)
if(tc->client == c && tc->tag == t)
return True;
return False;
}
void
tag_client_with_current_selected(Client *c)
{
Tag *tag;
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);
}
void
tag_client_with_rules(Client *c)
{
Rule *r;
Tag *tag;
Bool matched = False;
for(r = globalconf.rules; r; r = r->next)
if(client_match_rule(c, r))
{
switch(r->isfloating)
{
case Tile:
c->isfloating = False;
break;
case Float:
c->isfloating = True;
client_resize(c, c->f_geometry, False);
break;
default:
break;
}
if(r->screen != RULE_NOSCREEN && r->screen != c->screen)
move_client_to_screen(c, r->screen, True);
for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
if(is_tag_match_rules(tag, r))
{
matched = True;
tag_client(c, tag);
}
else
untag_client(c, tag);
if(!matched)
tag_client_with_current_selected(c);
break;
}
}
Tag **
get_current_tags(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;
}
/** Tag selected window with tag
* \param screen Screen ID
* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_client_tag(int screen, char *arg)
{
int tag_id = -1;
Tag *tag, *target_tag;
Client *sel = globalconf.focus->client;
if(!sel)
return;
if(arg)
{
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);
client_saveprops(sel);
arrange(screen);
}
/** Toggle a tag on client
* \param screen Screen ID
* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_client_toggletag(int screen, char *arg)
{
Client *sel = globalconf.focus->client;
int i;
Tag *tag, *target_tag;
if(!sel)
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)
{
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
&& !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)
if(is_client_tagged(sel, tag))
tag_client(sel, tag);
else
untag_client(sel, tag);
client_saveprops(sel);
arrange(screen);
}
/** Add a tag to viewed tags
* \param screen Screen ID
* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_tag_toggleview(int screen, char *arg)
{
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)
target_tag->selected = !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)
target_tag->selected = True;
}
else
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
tag->selected = !tag->selected;
saveawesomeprops(screen);
arrange(screen);
ewmh_update_net_current_desktop(get_phys_screen(screen));
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
void
tag_view(int screen, int dindex)
{
Tag *target_tag, *tag;
if(dindex < 0)
return;
for(target_tag = globalconf.screens[screen].tags; target_tag && dindex > 0;
target_tag = target_tag->next, dindex--);
if(target_tag)
{
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
tag->selected = False;
target_tag->selected = True;
}
saveawesomeprops(screen);
arrange(screen);
ewmh_update_net_current_desktop(get_phys_screen(screen));
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
/** View tag
* \param screen Screen ID
* \param arg tag to view
* \ingroup ui_callback
*/
void
uicb_tag_view(int screen, char *arg)
{
Tag *tag;
if(arg)
tag_view(screen, atoi(arg) - 1);
else
{
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
tag->selected = True;
saveawesomeprops(screen);
arrange(screen);
ewmh_update_net_current_desktop(get_phys_screen(screen));
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
}
/** View previously selected tags
* \param screen Screen ID
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_prev_selected(int screen, char *arg __attribute__ ((unused)))
{
Tag *tag;
Bool t;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
{
t = tag->selected;
tag->selected = tag->was_selected;
tag->was_selected = t;
}
arrange(screen);
ewmh_update_net_current_desktop(get_phys_screen(screen));
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
/** View next tag
* \param screen Screen ID
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_viewnext(int screen, char *arg __attribute__ ((unused)))
{
Tag **curtags = get_current_tags(screen);
if(!curtags[0]->next)
return;
curtags[0]->selected = False;
curtags[0]->next->selected = True;
p_delete(&curtags);
saveawesomeprops(screen);
arrange(screen);
ewmh_update_net_current_desktop(get_phys_screen(screen));
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
/** View previous tag
* \param screen Screen ID
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_viewprev(int screen, char *arg __attribute__ ((unused)))
{
Tag *tag, **curtags = get_current_tags(screen);
for(tag = globalconf.screens[screen].tags; tag && tag->next != curtags[0]; tag = tag->next);
if(tag)
{
tag->selected = True;
curtags[0]->selected = False;
saveawesomeprops(screen);
arrange(screen);
}
p_delete(&curtags);
ewmh_update_net_current_desktop(get_phys_screen(screen));
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
void
uicb_tag_create(int screen, char *arg)
{
Tag *tag;
if(!a_strlen(arg))
return;
tag = p_new(Tag, 1);
tag->name = a_strdup(arg);
tag->layout = globalconf.screens[screen].layouts;
tag->mwfact = 0.5;
tag->nmaster = 1;
tag->ncol = 1;
tag_list_append(&globalconf.screens[screen].tags, tag);
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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