layout.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include "dwm.h"
   3 #include <stdlib.h>
   4
   5 unsigned int blw = 0;
   6 Layout *lt = NULL;
   7
   8 /* static */
   9
  10 static unsigned int nlayouts = 0;
  11
  12 LAYOUTS
  13
  14 /* extern */
  15
  16 void
  17 focusclient(const char *arg) {
  18         Client *c;
  19
  20         if(!sel || !arg)
  21                 return;
  22         if(atoi(arg) < 0) {
  23                 for(c = sel->prev; c && !isvisible(c); c = c->prev);
  24                 if(!c) {
  25                         for(c = clients; c && c->next; c = c->next);
  26                         for(; c && !isvisible(c); c = c->prev);
  27                 }
  28         }
  29         else {
  30                 for(c = sel->next; c && !isvisible(c); c = c->next);
  31                 if(!c)
  32                         for(c = clients; c && !isvisible(c); c = c->next);
  33         }
  34         if(c) {
  35                 focus(c);
  36                 restack();
  37         }
  38 }
  39
  40 void
  41 initlayouts(void) {
  42         unsigned int i, w;
  43
  44         lt = &layout[0];
  45         nlayouts = sizeof layout / sizeof layout[0];
  46         for(blw = i = 0; i < nlayouts; i++) {
  47                 w = textw(layout[i].symbol);
  48                 if(w > blw)
  49                         blw = w;
  50         }
  51 }
  52
  53 Client *
  54 nexttiled(Client *c) {
  55         for(; c && (c->isfloating || !isvisible(c)); c = c->next);
  56         return c;
  57 }
  58
  59 void
  60 restack(void) {
  61         Client *c;
  62         XEvent ev;
  63         XWindowChanges wc;
  64
  65         drawstatus();
  66         if(!sel)
  67                 return;
  68         if(sel->isfloating || lt->arrange == floating)
  69                 XRaiseWindow(dpy, sel->win);
  70         if(lt->arrange != floating) {
  71                 wc.stack_mode = Below;
  72                 wc.sibling = barwin;
  73                 if(!sel->isfloating) {
  74                         XConfigureWindow(dpy, sel->win, CWSibling | CWStackMode, &wc);
  75                         wc.sibling = sel->win;
  76                 }
  77                 for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
  78                         if(c == sel)
  79                                 continue;
  80                         XConfigureWindow(dpy, c->win, CWSibling | CWStackMode, &wc);
  81                         wc.sibling = c->win;
  82                 }
  83         }
  84         XSync(dpy, False);
  85         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
  86 }
  87
  88 void
  89 setlayout(const char *arg) {
  90         int i;
  91
  92         if(!arg) {
  93                 lt++;
  94                 if(lt == layout + nlayouts)
  95                         lt = layout;
  96         }
  97         else {
  98                 i = atoi(arg);
  99                 if(i < 0 || i >= nlayouts)
 100                         return;
 101                 lt = &layout[i];
 102         }
 103         if(sel)
 104                 lt->arrange();
 105         else
 106                 drawstatus();
 107 }
 108
 109 void
 110 togglebar(const char *arg) {
 111         if(bpos == BarOff)
 112                 bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
 113         else
 114                 bpos = BarOff;
 115         updatebarpos();
 116         lt->arrange();
 117 }