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