view.c

   1 /* (C)opyright MMVI 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 Client *
   9 nexttiled(Client *c) {
  10         for(c = getnext(c); c && c->isfloat; c = getnext(c->next));
  11         return c;
  12 }
  13
  14 static void
  15 togglemax(Client *c) {
  16         XEvent ev;
  17
  18         if(c->isfixed)
  19                 return;
  20
  21         if((c->ismax = !c->ismax)) {
  22                 c->rx = c->x; c->x = wax;
  23                 c->ry = c->y; c->y = way;
  24                 c->rw = c->w; c->w = waw - 2 * BORDERPX;
  25                 c->rh = c->h; c->h = wah - 2 * BORDERPX;
  26         }
  27         else {
  28                 c->x = c->rx;
  29                 c->y = c->ry;
  30                 c->w = c->rw;
  31                 c->h = c->rh;
  32         }
  33         resize(c, True, TopLeft);
  34         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
  35 }
  36
  37 /* extern */
  38
  39 void (*arrange)(void) = DEFMODE;
  40
  41 void
  42 detach(Client *c) {
  43         if(c->prev)
  44                 c->prev->next = c->next;
  45         if(c->next)
  46                 c->next->prev = c->prev;
  47         if(c == clients)
  48                 clients = c->next;
  49         c->next = c->prev = NULL;
  50 }
  51
  52 void
  53 dofloat(void) {
  54         Client *c;
  55
  56         for(c = clients; c; c = c->next) {
  57                 if(isvisible(c)) {
  58                         resize(c, True, TopLeft);
  59                 }
  60                 else
  61                         ban(c);
  62         }
  63         if(!sel || !isvisible(sel)) {
  64                 for(c = stack; c && !isvisible(c); c = c->snext);
  65                 focus(c);
  66         }
  67         restack();
  68 }
  69
  70 void
  71 dotile(void) {
  72         unsigned int i, n, mpx, stackw, th;
  73         Client *c;
  74
  75         for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
  76                 n++;
  77         mpx = (waw * master) / 1000;
  78         stackw = waw - mpx;
  79
  80         for(i = 0, c = clients; c; c = c->next)
  81                 if(isvisible(c)) {
  82                         if(c->isfloat) {
  83                                 resize(c, True, TopLeft);
  84                                 continue;
  85                         }
  86                         c->ismax = False;
  87                         c->x = wax;
  88                         c->y = way;
  89                         if(n == 1) { /* only 1 window */
  90                                 c->w = waw - 2 * BORDERPX;
  91                                 c->h = wah - 2 * BORDERPX;
  92                         }
  93                         else if(i == 0) { /* master window */
  94                                 c->w = waw - stackw - 2 * BORDERPX;
  95                                 c->h = wah - 2 * BORDERPX;
  96                                 th = wah / (n - 1);
  97                         }
  98                         else {  /* tile window */
  99                                 c->x += mpx;
 100                                 c->w = stackw - 2 * BORDERPX;
 101                                 if(th > bh) {
 102                                         c->y = way + (i - 1) * th;
 103                                         c->h = th - 2 * BORDERPX;
 104                                 }
 105                                 else /* fallback if th < bh */
 106                                         c->h = wah - 2 * BORDERPX;
 107                         }
 108                         resize(c, False, TopLeft);
 109                         i++;
 110                 }
 111                 else
 112                         ban(c);
 113
 114         if(!sel || !isvisible(sel)) {
 115                 for(c = stack; c && !isvisible(c); c = c->snext);
 116                 focus(c);
 117         }
 118         restack();
 119 }
 120
 121 void
 122 focusnext(Arg *arg) {
 123         Client *c;
 124
 125         if(!sel)
 126                 return;
 127         if(!(c = getnext(sel->next)))
 128                 c = getnext(clients);
 129         if(c) {
 130                 focus(c);
 131                 restack();
 132         }
 133 }
 134
 135 void
 136 focusprev(Arg *arg) {
 137         Client *c;
 138
 139         if(!sel)
 140                 return;
 141         if(!(c = getprev(sel->prev))) {
 142                 for(c = clients; c && c->next; c = c->next);
 143                 c = getprev(c);
 144         }
 145         if(c) {
 146                 focus(c);
 147                 restack();
 148         }
 149 }
 150
 151 Bool
 152 isvisible(Client *c) {
 153         unsigned int i;
 154
 155         for(i = 0; i < ntags; i++)
 156                 if(c->tags[i] && seltag[i])
 157                         return True;
 158         return False;
 159 }
 160
 161 void
 162 resizemaster(Arg *arg) {
 163         if(arg->i == 0)
 164                 master = MASTER;
 165         else {
 166                 if(master + arg->i > 950 || master + arg->i < 50)
 167                         return;
 168                 master += arg->i;
 169         }
 170         arrange();
 171 }
 172
 173 void
 174 restack(void) {
 175         Client *c;
 176         XEvent ev;
 177
 178         if(!sel) {
 179                 drawstatus();
 180                 return;
 181         }
 182         if(sel->isfloat || arrange == dofloat) {
 183                 XRaiseWindow(dpy, sel->win);
 184                 XRaiseWindow(dpy, sel->twin);
 185         }
 186         if(arrange != dofloat) {
 187                 if(!sel->isfloat) {
 188                         XLowerWindow(dpy, sel->twin);
 189                         XLowerWindow(dpy, sel->win);
 190                 }
 191                 for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
 192                         if(c == sel)
 193                                 continue;
 194                         XLowerWindow(dpy, c->twin);
 195                         XLowerWindow(dpy, c->win);
 196                 }
 197         }
 198         drawall();
 199         XSync(dpy, False);
 200         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 201 }
 202
 203 void
 204 togglemode(Arg *arg) {
 205         arrange = (arrange == dofloat) ? dotile : dofloat;
 206         if(sel)
 207                 arrange();
 208         else
 209                 drawstatus();
 210 }
 211
 212 void
 213 toggleview(Arg *arg) {
 214         unsigned int i;
 215
 216         seltag[arg->i] = !seltag[arg->i];
 217         for(i = 0; i < ntags && !seltag[i]; i++);
 218         if(i == ntags)
 219                 seltag[arg->i] = True; /* cannot toggle last view */
 220         arrange();
 221 }
 222
 223 void
 224 view(Arg *arg) {
 225         unsigned int i;
 226
 227         for(i = 0; i < ntags; i++)
 228                 seltag[i] = False;
 229         seltag[arg->i] = True;
 230         arrange();
 231 }
 232
 233 void
 234 viewall(Arg *arg) {
 235         unsigned int i;
 236
 237         for(i = 0; i < ntags; i++)
 238                 seltag[i] = True;
 239         arrange();
 240 }
 241
 242 void
 243 zoom(Arg *arg) {
 244         unsigned int n;
 245         Client *c;
 246
 247         if(!sel)
 248                 return;
 249         if(sel->isfloat || (arrange == dofloat)) {
 250                 togglemax(sel);
 251                 return;
 252         }
 253         for(n = 0, c = clients; c; c = c->next)
 254                 if(isvisible(c) && !c->isfloat)
 255                         n++;
 256         if(n < 2 || (arrange == dofloat))
 257                 return;
 258         if((c = sel) == nexttiled(clients))
 259                 if(!(c = nexttiled(c->next)))
 260                         return;
 261         detach(c);
 262         if(clients)
 263                 clients->prev = c;
 264         c->next = clients;
 265         clients = c;
 266         focus(c);
 267         arrange();
 268 }