tag.c

   1 /*
   2  * tag.c - tag management
   3  *
   4  * Copyright © 2007 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <stdio.h>
  23 #include <X11/Xutil.h>
  24
  25 #include "screen.h"
  26 #include "tag.h"
  27 #include "util.h"
  28 #include "rules.h"
  29 #include "client.h"
  30 #include "ewmh.h"
  31
  32 extern AwesomeConf globalconf;
  33
  34 static void
  35 detach_tagclientlink(TagClientLink *tc)
  36 {
  37     TagClientLink *tmp;
  38
  39     if(globalconf.tclink == tc)
  40         globalconf.tclink = tc->next;
  41     else
  42     {
  43         for(tmp = globalconf.tclink; tmp && tmp->next != tc; tmp = tmp->next);
  44         tmp->next = tc->next;
  45     }
  46
  47     p_delete(&tc);
  48 }
  49
  50 void
  51 tag_client(Client *c, Tag *t)
  52 {
  53     TagClientLink *tc, *new_tc;
  54
  55     /* don't tag twice */
  56     if(is_client_tagged(c, t))
  57         return;
  58
  59     new_tc = p_new(TagClientLink, 1);
  60
  61     if(!globalconf.tclink)
  62         globalconf.tclink = new_tc;
  63     else
  64     {
  65         for(tc = globalconf.tclink; tc->next; tc = tc->next);
  66         tc->next = new_tc;
  67     }
  68
  69     new_tc->client = c;
  70     new_tc->tag = t;
  71 }
  72
  73 void
  74 untag_client(Client *c, Tag *t)
  75 {
  76     TagClientLink *tc;
  77
  78     for(tc = globalconf.tclink; tc; tc = tc->next)
  79         if(tc->client == c && tc->tag == t)
  80         {
  81             detach_tagclientlink(tc);
  82             break;
  83         }
  84 }
  85
  86 Bool
  87 is_client_tagged(Client *c, Tag *t)
  88 {
  89     TagClientLink *tc;
  90
  91     if(!c)
  92         return False;
  93
  94     for(tc = globalconf.tclink; tc; tc = tc->next)
  95         if(tc->client == c && tc->tag == t)
  96             return True;
  97
  98     return False;
  99 }
 100
 101 void
 102 tag_client_with_current_selected(Client *c)
 103 {
 104     Tag *tag;
 105     VirtScreen vscreen = globalconf.screens[c->screen];
 106
 107     for(tag = vscreen.tags; tag; tag = tag->next)
 108         if(tag->selected)
 109             tag_client(c, tag);
 110         else
 111             untag_client(c, tag);
 112 }
 113
 114 void
 115 tag_client_with_rules(Client *c)
 116 {
 117     Rule *r;
 118     Tag *tag;
 119     Bool matched = False;
 120
 121     for(r = globalconf.rules; r; r = r->next)
 122         if(client_match_rule(c, r))
 123         {
 124             c->isfloating = r->isfloating;
 125
 126             if(r->screen != RULE_NOSCREEN && r->screen != c->screen)
 127                 move_client_to_screen(c, r->screen, True);
 128
 129             for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
 130                 if(is_tag_match_rules(tag, r))
 131                 {
 132                     matched = True;
 133                     tag_client(c, tag);
 134                 }
 135                 else
 136                     untag_client(c, tag);
 137
 138             if(!matched)
 139                 tag_client_with_current_selected(c);
 140             break;
 141         }
 142 }
 143
 144
 145 Tag **
 146 get_current_tags(int screen)
 147 {
 148     Tag *tag, **tags = NULL;
 149     int n = 1;
 150
 151     tags = p_new(Tag *, n);
 152     for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 153         if(tag->selected)
 154         {
 155             p_realloc(&tags, ++n);
 156             tags[n - 2] = tag;
 157         }
 158
 159     /* finish with null */
 160     tags[n - 1] = NULL;
 161
 162     return tags;
 163 }
 164
 165 /** Tag selected window with tag
 166  * \param screen Screen ID
 167  * \param arg Tag name
 168  * \ingroup ui_callback
 169  */
 170 void
 171 uicb_client_tag(int screen, char *arg)
 172 {
 173     int tag_id = -1;
 174     Tag *tag, *target_tag;
 175     Client *sel = globalconf.focus->client;
 176
 177     if(!sel)
 178         return;
 179
 180     if(arg)
 181     {
 182         tag_id = atoi(arg) - 1;
 183         if(tag_id != -1)
 184         {
 185             for(target_tag = globalconf.screens[screen].tags; target_tag && tag_id > 0;
 186                 target_tag = target_tag->next, tag_id--);
 187             if(target_tag)
 188             {
 189                 for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 190                     untag_client(sel, tag);
 191                 tag_client(sel, target_tag);
 192             }
 193         }
 194     }
 195     else
 196         for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 197             tag_client(sel, tag);
 198
 199     client_saveprops(sel);
 200     arrange(screen);
 201 }
 202
 203 /** Toggle floating state of a client
 204  * \param screen Screen ID
 205  * \param arg unused
 206  * \ingroup ui_callback
 207  */
 208 void
 209 uicb_client_togglefloating(int screen, char *arg __attribute__ ((unused)))
 210 {
 211     Client *sel = globalconf.focus->client;
 212
 213     if(!sel)
 214         return;
 215
 216     sel->isfloating = !sel->isfloating;
 217
 218     if (arg == NULL)
 219         client_resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True, False);
 220     else
 221         client_resize(sel, sel->x, sel->y, sel->w, sel->h, True, True);
 222
 223     client_saveprops(sel);
 224     arrange(screen);
 225 }
 226
 227 /** Toggle a tag on client
 228  * \param screen Screen ID
 229  * \param arg Tag name
 230  * \ingroup ui_callback
 231  */
 232 void
 233 uicb_client_toggletag(int screen, char *arg)
 234 {
 235     Client *sel = globalconf.focus->client;
 236     int i;
 237     Tag *tag, *target_tag;
 238
 239     if(!sel)
 240         return;
 241
 242     if(arg)
 243     {
 244         i = atoi(arg) - 1;
 245         for(target_tag = globalconf.screens[screen].tags; target_tag && i > 0;
 246             target_tag = target_tag->next, i--);
 247         if(target_tag)
 248         {
 249             if(is_client_tagged(sel, target_tag))
 250                 untag_client(sel, target_tag);
 251             else
 252                 tag_client(sel, target_tag);
 253         }
 254
 255         /* check that there's at least one tag selected for this client*/
 256         for(tag = globalconf.screens[screen].tags; tag
 257             && !is_client_tagged(sel, tag); tag = tag->next)
 258
 259         if(!tag)
 260             tag_client(sel, target_tag);
 261     }
 262     else
 263         for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 264             if(is_client_tagged(sel, tag))
 265                 tag_client(sel, tag);
 266             else
 267                 untag_client(sel, tag);
 268
 269     client_saveprops(sel);
 270     arrange(screen);
 271 }
 272
 273 /** Add a tag to viewed tags
 274  * \param screen Screen ID
 275  * \param arg Tag name
 276  * \ingroup ui_callback
 277  */
 278 void
 279 uicb_tag_toggleview(int screen, char *arg)
 280 {
 281     int i;
 282     Tag *tag, *target_tag;
 283
 284     if(arg)
 285     {
 286         i = atoi(arg) - 1;
 287         for(target_tag = globalconf.screens[screen].tags; target_tag && i > 0;
 288             target_tag = target_tag->next, i--);
 289
 290         if(target_tag)
 291             target_tag->selected = !target_tag->selected;
 292
 293         /* check that there's at least one tag selected */
 294         for(tag = globalconf.screens[screen].tags; tag && !tag->selected; tag = tag->next);
 295         if(!tag)
 296             target_tag->selected = True;
 297     }
 298     else
 299         for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 300             tag->selected = !tag->selected;
 301
 302     saveawesomeprops(screen);
 303     arrange(screen);
 304     ewmh_update_net_current_desktop(get_phys_screen(screen));
 305 }
 306
 307 void
 308 tag_view(int screen, int dindex)
 309 {
 310     Tag *target_tag, *tag;
 311
 312     if(dindex < 0)
 313         return;
 314
 315     for(target_tag = globalconf.screens[screen].tags; target_tag && dindex > 0;
 316         target_tag = target_tag->next, dindex--);
 317     if(target_tag)
 318     {
 319         for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 320             tag->selected = False;
 321         target_tag->selected = True;
 322     }
 323     saveawesomeprops(screen);
 324     arrange(screen);
 325     ewmh_update_net_current_desktop(get_phys_screen(screen));
 326 }
 327
 328 /** View tag
 329  * \param screen Screen ID
 330  * \param arg tag to view
 331  * \ingroup ui_callback
 332  */
 333 void
 334 uicb_tag_view(int screen, char *arg)
 335 {
 336     Tag *tag;
 337
 338     if(arg)
 339         tag_view(screen, atoi(arg) - 1);
 340     else
 341     {
 342         for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 343             tag->selected = True;
 344         saveawesomeprops(screen);
 345         arrange(screen);
 346         ewmh_update_net_current_desktop(get_phys_screen(screen));
 347     }
 348 }
 349
 350 /** View previously selected tags
 351  * \param screen Screen ID
 352  * \param arg unused
 353  * \ingroup ui_callback
 354  */
 355 void
 356 uicb_tag_prev_selected(int screen, char *arg __attribute__ ((unused)))
 357 {
 358     Tag *tag;
 359     Bool t;
 360
 361     for(tag =  globalconf.screens[screen].tags; tag; tag = tag->next)
 362     {
 363         t = tag->selected;
 364         tag->selected = tag->was_selected;
 365         tag->was_selected = t;
 366     }
 367     arrange(screen);
 368     ewmh_update_net_current_desktop(get_phys_screen(screen));
 369 }
 370
 371 /** View next tag
 372  * \param screen Screen ID
 373  * \param arg unused
 374  * \ingroup ui_callback
 375  */
 376 void
 377 uicb_tag_viewnext(int screen, char *arg __attribute__ ((unused)))
 378 {
 379     Tag **curtags = get_current_tags(screen);
 380
 381     if(!curtags[0]->next)
 382         return;
 383
 384     curtags[0]->selected = False;
 385     curtags[0]->next->selected = True;
 386
 387     p_delete(&curtags);
 388
 389     saveawesomeprops(screen);
 390     arrange(screen);
 391     ewmh_update_net_current_desktop(get_phys_screen(screen));
 392 }
 393
 394 /** View previous tag
 395  * \param screen Screen ID
 396  * \param arg unused
 397  * \ingroup ui_callback
 398  */
 399 void
 400 uicb_tag_viewprev(int screen, char *arg __attribute__ ((unused)))
 401 {
 402     Tag *tag, **curtags = get_current_tags(screen);
 403
 404     for(tag = globalconf.screens[screen].tags; tag && tag->next != curtags[0]; tag = tag->next);
 405     if(tag)
 406     {
 407         tag->selected = True;
 408         curtags[0]->selected = False;
 409         saveawesomeprops(screen);
 410         arrange(screen);
 411     }
 412     p_delete(&curtags);
 413     ewmh_update_net_current_desktop(get_phys_screen(screen));
 414 }
 415
 416 void
 417 uicb_tag_create(int screen, char *arg)
 418 {
 419     Tag *last_tag, *tag;
 420
 421     if(!a_strlen(arg))
 422         return;
 423
 424     for(last_tag = globalconf.screens[screen].tags; last_tag && last_tag->next; last_tag = last_tag->next);
 425     last_tag->next = tag = p_new(Tag, 1);
 426     tag->name = a_strdup(arg);
 427     tag->layout = globalconf.screens[screen].layouts;
 428     tag->mwfact = 0.5;
 429     tag->nmaster = 1;
 430     tag->ncol = 1;
 431 }
 432
 433 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80