layout.c

   1 /*
   2  * layout.c - layout 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 <X11/Xatom.h>
  23 #include <X11/Xutil.h>
  24
  25 #include "screen.h"
  26 #include "layout.h"
  27 #include "tag.h"
  28 #include "util.h"
  29 #include "xutil.h"
  30 #include "focus.h"
  31 #include "statusbar.h"
  32 #include "ewmh.h"
  33 #include "layouts/tile.h"
  34 #include "layouts/max.h"
  35 #include "layouts/fibonacci.h"
  36 #include "layouts/floating.h"
  37
  38 extern AwesomeConf globalconf;
  39
  40 const NameFuncLink LayoutsList[] =
  41 {
  42     {"tile", layout_tile},
  43     {"tileleft", layout_tileleft},
  44     {"max", layout_max},
  45     {"spiral", layout_spiral},
  46     {"dwindle", layout_dwindle},
  47     {"floating", layout_floating},
  48     {NULL, NULL}
  49 };
  50
  51 /** Arrange windows following current selected layout
  52  * \param screen the screen to arrange
  53  */
  54 void
  55 arrange(int screen)
  56 {
  57     Client *c;
  58     Tag **curtags = get_current_tags(screen);
  59
  60     for(c = globalconf.clients; c; c = c->next)
  61     {
  62         if(client_isvisible(c, screen))
  63             client_unban(c);
  64         /* we don't touch other screens windows */
  65         else if(c->screen == screen)
  66             client_ban(c);
  67     }
  68
  69     curtags[0]->layout->arrange(screen);
  70     focus(focus_get_current_client(screen), True, screen);
  71     p_delete(&curtags);
  72     restack(screen);
  73 }
  74
  75 /** Send focus to next client in stack
  76  * \param screen Screen ID
  77  * \param arg Unused
  78  * \ingroup ui_callback
  79  */
  80 void
  81 uicb_client_focusnext(int screen, char *arg __attribute__ ((unused)))
  82 {
  83     Client *c, *sel = globalconf.focus->client;
  84
  85     if(!sel)
  86         return;
  87     for(c = sel->next; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
  88     if(!c)
  89         for(c = globalconf.clients; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
  90     if(c)
  91     {
  92         focus(c, True, screen);
  93         restack(screen);
  94     }
  95 }
  96
  97 /** Send focus to previous client in stack
  98  * \param screen Screen ID
  99  * \param arg Unused
 100  * \ingroup ui_callback
 101  */
 102 void
 103 uicb_client_focusprev(int screen, char *arg __attribute__ ((unused)))
 104 {
 105     Client *c, *sel = globalconf.focus->client;
 106
 107     if(!sel)
 108         return;
 109     for(c = sel->prev; c && (c->skip || !client_isvisible(c, screen)); c = c->prev);
 110     if(!c)
 111     {
 112         for(c = globalconf.clients; c && c->next; c = c->next);
 113         for(; c && (c->skip || !client_isvisible(c, screen)); c = c->prev);
 114     }
 115     if(c)
 116     {
 117         focus(c, True, screen);
 118         restack(screen);
 119     }
 120 }
 121
 122 void
 123 loadawesomeprops(int screen)
 124 {
 125     int i, ntags = 0;
 126     char *prop;
 127     Tag *tag;
 128
 129     for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 130         ntags++;
 131
 132     prop = p_new(char, ntags + 1);
 133
 134     if(xgettextprop(globalconf.display,
 135                     RootWindow(globalconf.display, get_phys_screen(screen)),
 136                     AWESOMEPROPS_ATOM(globalconf.display), prop, ntags + 1))
 137         for(i = 0, tag = globalconf.screens[screen].tags; tag && prop[i]; i++, tag = tag->next)
 138             if(prop[i] == '1')
 139                 tag->selected = True;
 140             else
 141                 tag->selected = False;
 142
 143     p_delete(&prop);
 144
 145     ewmh_update_net_current_desktop(get_phys_screen(screen));
 146 }
 147
 148 void
 149 restack(int screen)
 150 {
 151     Client *c, *sel = globalconf.focus->client;
 152     XEvent ev;
 153     XWindowChanges wc;
 154     Tag **curtags;
 155
 156     statusbar_draw(screen);
 157
 158     if(!sel)
 159         return;
 160
 161     if(globalconf.screens[screen].allow_lower_floats)
 162         XRaiseWindow(globalconf.display, sel->win);
 163     else
 164     {
 165         curtags = get_current_tags(screen);
 166         if(sel->isfloating ||
 167            curtags[0]->layout->arrange == layout_floating)
 168             XRaiseWindow(globalconf.display, sel->win);
 169         if(!(curtags[0]->layout->arrange == layout_floating))
 170         {
 171             wc.stack_mode = Below;
 172             wc.sibling = globalconf.screens[screen].statusbar->window;
 173             if(!sel->isfloating)
 174             {
 175                 XConfigureWindow(globalconf.display, sel->win, CWSibling | CWStackMode, &wc);
 176                 wc.sibling = sel->win;
 177             }
 178             for(c = globalconf.clients; c; c = c->next)
 179             {
 180                 if(!IS_TILED(c, screen) || c == sel)
 181                     continue;
 182                 XConfigureWindow(globalconf.display, c->win, CWSibling | CWStackMode, &wc);
 183                 wc.sibling = c->win;
 184             }
 185         }
 186         p_delete(&curtags);
 187     }
 188     if(globalconf.screens[screen].focus_move_pointer)
 189         XWarpPointer(globalconf.display, None, sel->win, 0, 0, 0, 0, sel->w / 2, sel->h / 2);
 190     XSync(globalconf.display, False);
 191     while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &ev));
 192 }
 193
 194 void
 195 saveawesomeprops(int screen)
 196 {
 197     int i, ntags = 0;
 198     char *prop;
 199     Tag *tag;
 200
 201     for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 202         ntags++;
 203
 204     prop = p_new(char, ntags + 1);
 205
 206     for(i = 0, tag = globalconf.screens[screen].tags; tag; tag = tag->next, i++)
 207         prop[i] = tag->selected ? '1' : '0';
 208
 209     prop[i] = '\0';
 210     XChangeProperty(globalconf.display,
 211                     RootWindow(globalconf.display, get_phys_screen(screen)),
 212                     AWESOMEPROPS_ATOM(globalconf.display), XA_STRING, 8,
 213                     PropModeReplace, (unsigned char *) prop, i);
 214     p_delete(&prop);
 215 }
 216
 217 /** Set layout for tag
 218  * \param screen Screen ID
 219  * \param arg Layout specifier
 220  * \ingroup ui_callback
 221  */
 222 void
 223 uicb_tag_setlayout(int screen, char *arg)
 224 {
 225     Layout *l = globalconf.screens[screen].layouts;
 226     Tag *tag, **curtags;
 227     int i;
 228
 229     if(arg)
 230     {
 231         curtags = get_current_tags(screen);
 232         for(i = 0; l && l != curtags[0]->layout; i++, l = l->next);
 233         p_delete(&curtags);
 234         if(!l)
 235             i = 0;
 236         for(i = compute_new_value_from_arg(arg, (double) i),
 237             l = globalconf.screens[screen].layouts; l && i > 0; i--)
 238             l = l->next;
 239         if(!l)
 240             l = globalconf.screens[screen].layouts;
 241     }
 242
 243     for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
 244         if(tag->selected)
 245             tag->layout = l;
 246
 247     if(globalconf.focus->client)
 248         arrange(screen);
 249     else
 250         statusbar_draw(screen);
 251
 252     saveawesomeprops(screen);
 253 }
 254
 255 void
 256 client_maximize(Client *c, int x, int y, int w, int h)
 257 {
 258     if((c->ismax = !c->ismax))
 259     {
 260         c->oldborder = c->border;
 261         c->border = 0;
 262         c->wasfloating = c->isfloating;
 263         c->isfloating = True;
 264         client_resize(c, x, y, w, h, False, True);
 265     }
 266     else if(c->wasfloating)
 267         client_resize(c, c->rx, c->ry, c->rw, c->rh, True, False);
 268     else
 269         c->isfloating = False;
 270
 271     c->border = c->oldborder;
 272
 273     arrange(c->screen);
 274 }
 275
 276 /** Toggle maximize for client
 277  * \param screen Screen ID
 278  * \param arg Unused
 279  * \ingroup ui_callback
 280  */
 281 void
 282 uicb_client_togglemax(int screen, char *arg __attribute__ ((unused)))
 283 {
 284     Client *sel = globalconf.focus->client;
 285     Area area = get_screen_area(screen,
 286                                 globalconf.screens[screen].statusbar,
 287                                 &globalconf.screens[screen].padding);
 288     if(sel)
 289         client_maximize(sel, area.x, area.y,
 290                         area.width - 2 * globalconf.screens[screen].borderpx,
 291                         area.height - 2 * globalconf.screens[screen].borderpx);
 292 }
 293
 294 /** Toggle vertical maximize for client
 295  * \param screen Screen ID
 296  * \param arg Unused
 297  * \ingroup ui_callback
 298  */
 299 void
 300 uicb_client_toggleverticalmax(int screen, char *arg __attribute__ ((unused)))
 301 {
 302     Client *sel = globalconf.focus->client;
 303     Area area = get_screen_area(screen,
 304                                 globalconf.screens[screen].statusbar,
 305                                 &globalconf.screens[screen].padding);
 306
 307     if(sel)
 308         client_maximize(sel, sel->x, area.y,
 309                         sel->w,
 310                         area.height - 2 * globalconf.screens[screen].borderpx);
 311 }
 312
 313
 314 /** Toggle horizontal maximize for client
 315  * \param screen Screen ID
 316  * \param arg Unused
 317  * \ingroup ui_callback
 318  */
 319 void
 320 uicb_client_togglehorizontalmax(int screen, char *arg __attribute__ ((unused)))
 321 {
 322     Client *sel = globalconf.focus->client;
 323     Area area = get_screen_area(screen,
 324                                 globalconf.screens[screen].statusbar,
 325                                 &globalconf.screens[screen].padding);
 326
 327     if(sel)
 328         client_maximize(sel, area.x, sel->y,
 329                         area.height - 2 * globalconf.screens[screen].borderpx,
 330                         sel->h);
 331 }
 332
 333 /** Zoom client
 334  * \param screen Screen ID
 335  * \param arg Unused
 336  * \ingroup ui_callback
 337  */
 338 void
 339 uicb_client_zoom(int screen, char *arg __attribute__ ((unused)))
 340 {
 341     Client *sel = globalconf.focus->client;
 342
 343     if(globalconf.clients == sel)
 344          for(sel = sel->next; sel && !client_isvisible(sel, screen); sel = sel->next);
 345
 346     if(!sel)
 347         return;
 348
 349     client_detach(sel);
 350     client_attach(sel);
 351
 352     focus(sel, True, screen);
 353     arrange(screen);
 354 }
 355
 356 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80