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awesome/tag.c

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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 "layout.h"
#include "tag.h"
#include "util.h"
extern Client *sel; /* global client list */
static Regs *regs = NULL;
/** This function returns the index of
* the tag given un argument in *tags
* \param tag_to_find tag name
* \return index of tag
*/
static int
idxoftag(const char *tag_to_find, const char **tags, int ntags)
{
int i;
if(!tag_to_find)
return 0;
for(i = 0; i < ntags; i++)
if(!strcmp(tags[i], tag_to_find))
return i;
return 0;
}
void
applyrules(Client * c, awesome_config *awesomeconf)
{
int i, j, len = 0;
regmatch_t tmp;
Bool matched = False;
XClassHint ch = { 0, 0 };
char *prop;
len += a_strlen(ch.res_class) + a_strlen(ch.res_name) + a_strlen(c->name);
prop = p_new(char, len + 1);
/* rule matching */
XGetClassHint(c->display, c->win, &ch);
snprintf(prop, len + 1, "%s:%s:%s",
ch.res_class ? ch.res_class : "", ch.res_name ? ch.res_name : "", c->name);
for(i = 0; i < awesomeconf->nrules; i++)
if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0))
{
c->isfloating = awesomeconf->rules[i].isfloating;
for(j = 0; regs[i].tagregex && j < awesomeconf->ntags; j++)
if(!regexec(regs[i].tagregex, awesomeconf->tags[j], 1, &tmp, 0))
{
matched = True;
c->tags[j] = True;
}
}
p_delete(&prop);
if(ch.res_class)
XFree(ch.res_class);
if(ch.res_name)
XFree(ch.res_name);
if(!matched)
for(i = 0; i < awesomeconf->ntags; i++)
c->tags[i] = awesomeconf->selected_tags[i];
}
void
compileregs(Rule * rules, int nrules)
{
int i;
regex_t *reg;
if(regs)
return;
regs = p_new(Regs, nrules);
for(i = 0; i < nrules; i++)
{
if(rules[i].prop)
{
reg = p_new(regex_t, 1);
if(regcomp(reg, rules[i].prop, REG_EXTENDED))
p_delete(&reg);
else
regs[i].propregex = reg;
}
if(rules[i].tags)
{
reg = p_new(regex_t, 1);
if(regcomp(reg, rules[i].tags, REG_EXTENDED))
p_delete(&reg);
else
regs[i].tagregex = reg;
}
}
}
/** Returns True if a client is tagged
* with one of the tags
* \param c Client
* \param tags tag to check
* \param ntags number of tags in *tags
* \return True or False
*/
Bool
isvisible(Client * c, Bool * tags, int ntags)
{
int i;
for(i = 0; i < ntags; i++)
if(c->tags[i] && tags[i])
return True;
return False;
}
/** Tag selected window with tag
* \param disp Display ref
* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_tag(Display *disp,
int screen,
DC *drawcontext,
awesome_config *awesomeconf,
const char *arg)
{
int i;
if(!sel)
return;
for(i = 0; i < awesomeconf->ntags; i++)
sel->tags[i] = arg == NULL;
i = idxoftag(arg, awesomeconf->tags, awesomeconf->ntags);
if(i >= 0 && i < awesomeconf->ntags)
sel->tags[i] = True;
saveprops(sel, awesomeconf->ntags);
arrange(disp, screen, drawcontext, awesomeconf);
}
/** Toggle floating state of a client
* \param disp Display ref
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_togglefloating(Display *disp,
int screen,
DC *drawcontext,
awesome_config * awesomeconf,
const char *arg __attribute__ ((unused)))
{
if(!sel)
return;
sel->isfloating = !sel->isfloating;
if(sel->isfloating)
/*restore last known float dimensions*/
resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
else
{
/*save last known float dimensions*/
sel->rx = sel->x;
sel->ry = sel->y;
sel->rw = sel->w;
sel->rh = sel->h;
}
saveprops(sel, awesomeconf->ntags);
arrange(disp, screen, drawcontext, awesomeconf);
}
/** Toggle tag view
* \param disp Display ref
* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_toggletag(Display *disp,
int screen,
DC *drawcontext,
awesome_config *awesomeconf,
const char *arg)
{
unsigned int i;
int j;
if(!sel)
return;
i = idxoftag(arg, awesomeconf->tags, awesomeconf->ntags);
sel->tags[i] = !sel->tags[i];
for(j = 0; j < awesomeconf->ntags && !sel->tags[j]; j++);
if(j == awesomeconf->ntags)
sel->tags[i] = True;
saveprops(sel, awesomeconf->ntags);
arrange(disp, screen, drawcontext, awesomeconf);
}
/** Add a tag to viewed tags
* \param disp Display ref
* \param arg Tag name
* \ingroup ui_callback
*/
void
uicb_toggleview(Display *disp,
int screen,
DC *drawcontext,
awesome_config *awesomeconf,
const char *arg)
{
unsigned int i;
int j;
i = idxoftag(arg, awesomeconf->tags, awesomeconf->ntags);
awesomeconf->selected_tags[i] = !awesomeconf->selected_tags[i];
for(j = 0; j < awesomeconf->ntags && !awesomeconf->selected_tags[j]; j++);
if(j == awesomeconf->ntags)
awesomeconf->selected_tags[i] = True; /* cannot toggle last view */
saveawesomeprops(disp, screen, awesomeconf);
arrange(disp, screen, drawcontext, awesomeconf);
}
/** View tag
* \param disp Display ref
* \param awesomeconf awesome config ref
* \param arg tag to view
* \ingroup ui_callback
*/
void
uicb_view(Display *disp,
int screen,
DC *drawcontext,
awesome_config *awesomeconf,
const char *arg)
{
int i;
for(i = 0; i < awesomeconf->ntags; i++)
{
awesomeconf->prev_selected_tags[i] = awesomeconf->selected_tags[i];
awesomeconf->selected_tags[i] = arg == NULL;
}
i = idxoftag(arg, awesomeconf->tags, awesomeconf->ntags);
if(i >= 0 && i < awesomeconf->ntags)
{
awesomeconf->selected_tags[i] = True;
awesomeconf->current_layout = awesomeconf->tag_layouts[i];
}
saveawesomeprops(disp, screen, awesomeconf);
arrange(disp, screen, drawcontext, awesomeconf);
}
/** View previously selected tags
* \param disp Display ref
* \param awesomeconf awesome config ref
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_viewprevtags(Display * disp,
int screen,
DC *drawcontext,
awesome_config *awesomeconf,
const char *arg __attribute__ ((unused)))
{
int i;
Bool t;
for(i = 0; i < awesomeconf->ntags; i++)
{
t = awesomeconf->selected_tags[i];
awesomeconf->selected_tags[i] = awesomeconf->prev_selected_tags[i];
awesomeconf->prev_selected_tags[i] = t;
}
arrange(disp, screen, drawcontext, awesomeconf);
}
/** View next tag
* \param disp Display ref
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_viewnext(Display *disp,
int screen,
DC * drawcontext,
awesome_config *awesomeconf,
const char *arg __attribute__ ((unused)))
{
int i;
int firsttag = -1;
for(i = 0; i < awesomeconf->ntags; i++)
{
if(firsttag < 0 && awesomeconf->selected_tags[i])
firsttag = i;
awesomeconf->selected_tags[i] = False;
}
if(++firsttag >= awesomeconf->ntags)
firsttag = 0;
awesomeconf->selected_tags[firsttag] = True;
saveawesomeprops(disp, screen, awesomeconf);
arrange(disp, screen, drawcontext, awesomeconf);
}
/** View previous tag
* \param disp Display ref
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_tag_viewprev(Display *disp,
int screen __attribute__ ((unused)),
DC *drawcontext,
awesome_config *awesomeconf,
const char *arg __attribute__ ((unused)))
{
int i;
int firsttag = -1;
for(i = awesomeconf->ntags - 1; i >= 0; i--)
{
if(firsttag < 0 && awesomeconf->selected_tags[i])
firsttag = i;
awesomeconf->selected_tags[i] = False;
}
if(--firsttag < 0)
firsttag = awesomeconf->ntags - 1;
awesomeconf->selected_tags[firsttag] = True;
saveawesomeprops(disp, screen, awesomeconf);
arrange(disp, screen, drawcontext, awesomeconf);
}
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