tile.c

   1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
   2  * See LICENSE file for license details.
   3  */
   4 #include "dwm.h"
   5
   6 /* static */
   7
   8 static void
   9 togglemax(Client *c) {
  10         XEvent ev;
  11
  12         if(c->isfixed)
  13                 return;
  14
  15         if((c->ismax = !c->ismax)) {
  16                 c->rx = c->x;
  17                 c->ry = c->y;
  18                 c->rw = c->w;
  19                 c->rh = c->h;
  20                 resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
  21         }
  22         else
  23                 resize(c, c->rx, c->ry, c->rw, c->rh, True);
  24         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
  25 }
  26
  27 /* extern */
  28
  29 void
  30 dotile(void) {
  31         unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
  32         Client *c;
  33
  34         for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
  35                 n++;
  36         /* window geoms */
  37         mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
  38         mw = (n > nmaster) ? (waw * master) / 1000 : waw;
  39         th = (n > nmaster) ? wah / (n - nmaster) : 0;
  40         tw = waw - mw;
  41
  42         for(i = 0, c = clients; c; c = c->next)
  43                 if(isvisible(c)) {
  44                         if(c->isbanned)
  45                                 XMoveWindow(dpy, c->win, c->x, c->y);
  46                         c->isbanned = False;
  47                         if(c->isfloat)
  48                                 continue;
  49                         c->ismax = False;
  50                         nx = wax;
  51                         ny = way;
  52                         if(i < nmaster) {
  53                                 ny += i * mh;
  54                                 nw = mw - 2 * BORDERPX;
  55                                 nh = mh - 2 * BORDERPX;
  56                         }
  57                         else {  /* tile window */
  58                                 nx += mw;
  59                                 nw = tw - 2 * BORDERPX;
  60                                 if(th > 2 * BORDERPX) {
  61                                         ny += (i - nmaster) * th;
  62                                         nh = th - 2 * BORDERPX;
  63                                 }
  64                                 else /* fallback if th <= 2 * BORDERPX */
  65                                         nh = wah - 2 * BORDERPX;
  66                         }
  67                         resize(c, nx, ny, nw, nh, False);
  68                         i++;
  69                 }
  70                 else {
  71                         c->isbanned = True;
  72                         XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
  73                 }
  74         if(!sel || !isvisible(sel)) {
  75                 for(c = stack; c && !isvisible(c); c = c->snext);
  76                 focus(c);
  77         }
  78         restack();
  79 }
  80
  81 void
  82 incnmaster(Arg *arg) {
  83         if((arrange == dofloat) || (nmaster + arg->i < 1)
  84         || (wah / (nmaster + arg->i) <= 2 * BORDERPX))
  85                 return;
  86         nmaster += arg->i;
  87         if(sel)
  88                 arrange();
  89         else
  90                 drawstatus();
  91 }
  92
  93 void
  94 resizemaster(Arg *arg) {
  95         if(arrange != dotile)
  96                 return;
  97         if(arg->i == 0)
  98                 master = MASTER;
  99         else {
 100                 if(waw * (master + arg->i) / 1000 >= waw - 2 * BORDERPX
 101                 || waw * (master + arg->i) / 1000 <= 2 * BORDERPX)
 102                         return;
 103                 master += arg->i;
 104         }
 105         arrange();
 106 }
 107
 108 void
 109 zoom(Arg *arg) {
 110         unsigned int n;
 111         Client *c;
 112
 113         if(!sel)
 114                 return;
 115         if(sel->isfloat || (arrange == dofloat)) {
 116                 togglemax(sel);
 117                 return;
 118         }
 119         for(n = 0, c = nextmanaged(clients); c; c = nextmanaged(c->next))
 120                 n++;
 121
 122         if((c = sel) == nextmanaged(clients))
 123                 if(!(c = nextmanaged(c->next)))
 124                         return;
 125         detach(c);
 126         if(clients)
 127                 clients->prev = c;
 128         c->next = clients;
 129         clients = c;
 130         focus(c);
 131         arrange();
 132 }