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 "awesome.h"
  26 #include "layout.h"
  27 #include "tag.h"
  28 #include "util.h"
  29 #include "statusbar.h"
  30 #include "layouts/floating.h"
  31
  32 /* extern */
  33 extern Client *clients, *sel;   /* global client list */
  34
  35 void
  36 arrange(Display * disp, DC *drawcontext, awesome_config *awesomeconf)
  37 {
  38     Client *c;
  39
  40     for(c = clients; c; c = c->next)
  41         if(isvisible(c, awesomeconf->selected_tags, awesomeconf->ntags))
  42             unban(c);
  43         else
  44             ban(c);
  45     awesomeconf->current_layout->arrange(disp, awesomeconf);
  46     focus(disp, DefaultScreen(disp), drawcontext, NULL, True, awesomeconf);
  47     restack(disp, drawcontext, awesomeconf);
  48 }
  49
  50 void
  51 uicb_focusnext(Display *disp __attribute__ ((unused)),
  52                DC *drawcontext,
  53                awesome_config * awesomeconf,
  54                const char *arg __attribute__ ((unused)))
  55 {
  56     Client *c;
  57
  58     if(!sel)
  59         return;
  60     for(c = sel->next; c && !isvisible(c, awesomeconf->selected_tags, awesomeconf->ntags); c = c->next);
  61     if(!c)
  62         for(c = clients; c && !isvisible(c, awesomeconf->selected_tags, awesomeconf->ntags); c = c->next);
  63     if(c)
  64     {
  65         focus(c->display, c->screen, drawcontext, c, True, awesomeconf);
  66         restack(c->display, drawcontext, awesomeconf);
  67     }
  68 }
  69
  70 void
  71 uicb_focusprev(Display *disp __attribute__ ((unused)),
  72                DC *drawcontext,
  73                awesome_config *awesomeconf,
  74                const char *arg __attribute__ ((unused)))
  75 {
  76     Client *c;
  77
  78     if(!sel)
  79         return;
  80     for(c = sel->prev; c && !isvisible(c, awesomeconf->selected_tags, awesomeconf->ntags); c = c->prev);
  81     if(!c)
  82     {
  83         for(c = clients; c && c->next; c = c->next);
  84         for(; c && !isvisible(c, awesomeconf->selected_tags, awesomeconf->ntags); c = c->prev);
  85     }
  86     if(c)
  87     {
  88         focus(c->display, c->screen, drawcontext, c, True, awesomeconf);
  89         restack(c->display, drawcontext, awesomeconf);
  90     }
  91 }
  92
  93 void
  94 loadawesomeprops(Display *disp, int screen, awesome_config * awesomeconf)
  95 {
  96     int i;
  97     char *prop;
  98
  99     prop = p_new(char, awesomeconf->ntags + 1);
 100
 101     if(xgettextprop(disp, RootWindow(disp, screen), AWESOMEPROPS_ATOM(disp), prop, awesomeconf->ntags + 1))
 102         for(i = 0; i < awesomeconf->ntags && prop[i]; i++)
 103             awesomeconf->selected_tags[i] = prop[i] == '1';
 104
 105     p_delete(&prop);
 106 }
 107
 108 void
 109 restack(Display * disp, DC * drawcontext, awesome_config *awesomeconf)
 110 {
 111     Client *c;
 112     XEvent ev;
 113     XWindowChanges wc;
 114
 115     drawstatusbar(disp, DefaultScreen(disp), drawcontext, awesomeconf);
 116     if(!sel)
 117         return;
 118     if(sel->isfloating || IS_ARRANGE(floating))
 119         XRaiseWindow(disp, sel->win);
 120     if(!IS_ARRANGE(floating))
 121     {
 122         wc.stack_mode = Below;
 123         wc.sibling = awesomeconf->statusbar.window;
 124         if(!sel->isfloating)
 125         {
 126             XConfigureWindow(disp, sel->win, CWSibling | CWStackMode, &wc);
 127             wc.sibling = sel->win;
 128         }
 129         for(c = clients; c; c = c->next)
 130         {
 131             if(!IS_TILED(c, awesomeconf->selected_tags, awesomeconf->ntags) || c == sel)
 132                 continue;
 133             XConfigureWindow(disp, c->win, CWSibling | CWStackMode, &wc);
 134             wc.sibling = c->win;
 135         }
 136     }
 137     XSync(disp, False);
 138     while(XCheckMaskEvent(disp, EnterWindowMask, &ev));
 139 }
 140
 141 void
 142 saveawesomeprops(Display *disp, int screen, awesome_config *awesomeconf)
 143 {
 144     int i;
 145     char *prop;
 146
 147     prop = p_new(char, awesomeconf->ntags + 1);
 148     for(i = 0; i < awesomeconf->ntags; i++)
 149         prop[i] = awesomeconf->selected_tags[i] ? '1' : '0';
 150     prop[i] = '\0';
 151     XChangeProperty(disp, RootWindow(disp, screen),
 152                     AWESOMEPROPS_ATOM(disp), XA_STRING, 8,
 153                     PropModeReplace, (unsigned char *) prop, i);
 154     p_delete(&prop);
 155 }
 156
 157 void
 158 uicb_setlayout(Display *disp,
 159                DC *drawcontext,
 160                awesome_config * awesomeconf,
 161                const char *arg)
 162 {
 163     int i, j;
 164     Client *c;
 165
 166     if(!arg)
 167     {
 168         if(!(++awesomeconf->current_layout)->symbol)
 169             awesomeconf->current_layout = &awesomeconf->layouts[0];
 170     }
 171     else
 172     {
 173         i = strtol(arg, NULL, 10);
 174         if(i < 0 || i >= awesomeconf->nlayouts)
 175             return;
 176         awesomeconf->current_layout = &awesomeconf->layouts[i];
 177     }
 178
 179     for(c = clients; c; c = c->next)
 180         c->ftview = True;
 181
 182     if(sel)
 183         arrange(disp, drawcontext, awesomeconf);
 184     else
 185         drawstatusbar(disp, DefaultScreen(disp), drawcontext, awesomeconf);
 186
 187     saveawesomeprops(disp, DefaultScreen(disp), awesomeconf);
 188
 189     for(j = 0; j < awesomeconf->ntags; j++)
 190         if (awesomeconf->selected_tags[j])
 191             awesomeconf->tag_layouts[j] = awesomeconf->current_layout;
 192 }
 193
 194 static void
 195 maximize(int x, int y, int w, int h, DC *drawcontext, awesome_config *awesomeconf)
 196 {
 197     XEvent ev;
 198
 199     if(!sel)
 200         return;
 201
 202     if((sel->ismax = !sel->ismax))
 203     {
 204         sel->wasfloating = sel->isfloating;
 205         sel->isfloating = True;
 206         sel->rx = sel->x;
 207         sel->ry = sel->y;
 208         sel->rw = sel->w;
 209         sel->rh = sel->h;
 210         resize(sel, x, y, w, h, True);
 211     }
 212     else if(sel->isfloating)
 213         resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True);
 214     else
 215         sel->isfloating = False;
 216
 217     drawstatusbar(sel->display, sel->screen, drawcontext, awesomeconf);
 218
 219     while(XCheckMaskEvent(sel->display, EnterWindowMask, &ev));
 220 }
 221
 222 void
 223 uicb_togglemax(Display *disp,
 224                DC *drawcontext,
 225                awesome_config *awesomeconf,
 226                const char *arg __attribute__ ((unused)))
 227 {
 228     maximize(get_windows_area_x(awesomeconf->statusbar),
 229              get_windows_area_y(awesomeconf->statusbar),
 230              get_windows_area_width(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
 231              get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
 232              drawcontext,
 233              awesomeconf);
 234 }
 235
 236 void
 237 uicb_toggleverticalmax(Display *disp,
 238                        DC *drawcontext,
 239                        awesome_config *awesomeconf,
 240                        const char *arg __attribute__ ((unused)))
 241 {
 242     if(sel)
 243         maximize(sel->x,
 244                  get_windows_area_y(awesomeconf->statusbar),
 245                  sel->w,
 246                  get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
 247                  drawcontext,
 248                  awesomeconf);
 249 }
 250
 251
 252 void
 253 uicb_togglehorizontalmax(Display *disp,
 254                          DC *drawcontext,
 255                          awesome_config *awesomeconf,
 256                          const char *arg __attribute__ ((unused)))
 257 {
 258     if(sel)
 259         maximize(get_windows_area_x(awesomeconf->statusbar),
 260                  sel->y,
 261                  get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
 262                  sel->h,
 263                  drawcontext,
 264                  awesomeconf);
 265 }
 266
 267 void
 268 uicb_zoom(Display *disp __attribute__ ((unused)),
 269           DC *drawcontext __attribute__ ((unused)),
 270           awesome_config *awesomeconf,
 271           const char *arg __attribute__ ((unused)))
 272 {
 273     if(!sel)
 274         return;
 275     detach(sel);
 276     attach(sel);
 277     focus(sel->display, sel->screen, drawcontext, sel, True, awesomeconf);
 278     arrange(sel->display, drawcontext, awesomeconf);
 279 }
 280