tile.c

   1 /* See LICENSE file for copyright and license details. */
   2 double mfact = MFACT;
   3 int bx, by, bw, bh, blw, mx, my, mw, mh, tx, ty, tw, th, wx, wy, ww, wh;
   4
   5 void setmfact(const char *arg);
   6 void tile(void);
   7 void tilegeom(void);
   8 void tileresize(Client *c, int x, int y, int w, int h);
   9
  10 void
  11 setmfact(const char *arg) {
  12         double d;
  13
  14         if(lt->arrange != tile)
  15                 return;
  16         if(!arg)
  17                 mfact = MFACT;
  18         else {
  19                 d = strtod(arg, NULL);
  20                 if(arg[0] == '-' || arg[0] == '+')
  21                         d += mfact;
  22                 if(d < 0.1 || d > 0.9)
  23                         return;
  24                 mfact = d;
  25         }
  26         updategeom();
  27         arrange();
  28 }
  29
  30 void
  31 tile(void) {
  32         int y, h;
  33         unsigned int i, n;
  34         Client *c;
  35
  36         for(n = 0, c = nextunfloating(clients); c; c = nextunfloating(c->next), n++);
  37         if(n == 0)
  38                 return;
  39
  40         /* master */
  41         c = nextunfloating(clients);
  42
  43         if(n == 1)
  44                 tileresize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
  45         else
  46                 tileresize(c, mx, my, mw - 2 * c->bw, mh - 2 * c->bw);
  47
  48         if(--n == 0)
  49                 return;
  50
  51         /* tile stack */
  52         y = ty;
  53         h = th / n;
  54         if(h < bh)
  55                 h = th;
  56
  57         for(i = 0, c = nextunfloating(c->next); c; c = nextunfloating(c->next), i++) {
  58                 if(i + 1 == n) /* remainder */
  59                         tileresize(c, tx, y, tw - 2 * c->bw, (ty + th) - y - 2 * c->bw);
  60                 else
  61                         tileresize(c, tx, y, tw - 2 * c->bw, h - 2 * c->bw);
  62                 if(h != th)
  63                         y = c->y + c->h + 2 * c->bw;
  64         }
  65 }
  66
  67 void
  68 tilegeom(void) {
  69         /* master area geometry */
  70         mx = wx;
  71         my = wy;
  72         mw = mfact * ww;
  73         mh = wh;
  74
  75         /* tile area geometry */
  76         tx = mx + mw;
  77         ty = wy;
  78         tw = ww - mw;
  79         th = wh;
  80 }
  81
  82 void
  83 tileresize(Client *c, int x, int y, int w, int h) {
  84         resize(c, x, y, w, h, RESIZEHINTS);
  85         if((RESIZEHINTS) && ((c->h < bh) || (c->h > h) || (c->w < bh) || (c->w > w)))
  86                 /* client doesn't accept size constraints */
  87                 resize(c, x, y, w, h, False);
  88 }
  89
  90 void
  91 zoom(const char *arg) {
  92         Client *c = sel;
  93
  94         if(c == nextunfloating(clients))
  95                 if(!c || !(c = nextunfloating(c->next)))
  96                         return;
  97         if(lt->arrange == tile && !sel->isfloating) {
  98                 detach(c);
  99                 attach(c);
 100                 focus(c);
 101         }
 102         arrange();
 103 }