view.c

   1 /*
   2  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
   3  * See LICENSE file for license details.
   4  */
   5 #include "dwm.h"
   6
   7 /* extern */
   8
   9 void (*arrange)(Arg *) = DEFMODE;
  10
  11 void
  12 dofloat(Arg *arg)
  13 {
  14         Client *c;
  15
  16         for(c = clients; c; c = c->next) {
  17                 c->ismax = False;
  18                 if(isvisible(c)) {
  19                         resize(c, True, TopLeft);
  20                 }
  21                 else
  22                         ban(c);
  23         }
  24         if(!sel || !isvisible(sel))
  25                 sel = getnext(clients);
  26         if(sel)
  27                 focus(sel);
  28         else
  29                 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
  30         restack();
  31 }
  32
  33 void
  34 dotile(Arg *arg)
  35 {
  36         int h, i, n, w;
  37         Client *c;
  38
  39         w = sw - mw;
  40         for(n = 0, c = clients; c; c = c->next)
  41                 if(isvisible(c) && !c->isfloat)
  42                         n++;
  43
  44         if(n > 1)
  45                 h = (sh - bh) / (n - 1);
  46         else
  47                 h = sh - bh;
  48
  49         for(i = 0, c = clients; c; c = c->next) {
  50                 c->ismax = False;
  51                 if(isvisible(c)) {
  52                         if(c->isfloat) {
  53                                 resize(c, True, TopLeft);
  54                                 continue;
  55                         }
  56                         if(n == 1) {
  57                                 c->x = sx;
  58                                 c->y = sy + bh;
  59                                 c->w = sw - 2;
  60                                 c->h = sh - 2 - bh;
  61                         }
  62                         else if(i == 0) {
  63                                 c->x = sx;
  64                                 c->y = sy + bh;
  65                                 c->w = mw - 2;
  66                                 c->h = sh - 2 - bh;
  67                         }
  68                         else if(h > bh) {
  69                                 c->x = sx + mw;
  70                                 c->y = sy + (i - 1) * h + bh;
  71                                 c->w = w - 2;
  72                                 if(i + 1 == n)
  73                                         c->h = sh - c->y - 2;
  74                                 else
  75                                         c->h = h - 2;
  76                         }
  77                         else { /* fallback if h < bh */
  78                                 c->x = sx + mw;
  79                                 c->y = sy + bh;
  80                                 c->w = w - 2;
  81                                 c->h = sh - 2 - bh;
  82                         }
  83                         resize(c, False, TopLeft);
  84                         i++;
  85                 }
  86                 else
  87                         ban(c);
  88         }
  89         if(!sel || !isvisible(sel))
  90                 sel = getnext(clients);
  91         if(sel)
  92                 focus(sel);
  93         else
  94                 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
  95         restack();
  96 }
  97
  98 void
  99 focusnext(Arg *arg)
 100 {
 101         Client *c;
 102
 103         if(!sel)
 104                 return;
 105
 106         if(!(c = getnext(sel->next)))
 107                 c = getnext(clients);
 108         if(c) {
 109                 focus(c);
 110                 restack();
 111         }
 112 }
 113
 114 void
 115 focusprev(Arg *arg)
 116 {
 117         Client *c;
 118
 119         if(!sel)
 120                 return;
 121
 122         if(!(c = getprev(sel->prev))) {
 123                 for(c = clients; c && c->next; c = c->next);
 124                 c = getprev(c);
 125         }
 126         if(c) {
 127                 focus(c);
 128                 restack();
 129         }
 130 }
 131
 132 Bool
 133 isvisible(Client *c)
 134 {
 135         unsigned int i;
 136
 137         for(i = 0; i < ntags; i++)
 138                 if(c->tags[i] && seltag[i])
 139                         return True;
 140         return False;
 141 }
 142
 143 void
 144 restack()
 145 {
 146         static unsigned int nwins = 0;
 147         static Window *wins = NULL;
 148         unsigned int f, fi, m, mi, n;
 149         Client *c;
 150         XEvent ev;
 151
 152         for(f = 0, m = 0, c = clients; c; c = c->next)
 153                 if(isvisible(c)) {
 154                         if(c->isfloat || arrange == dofloat)
 155                                 f++;
 156                         else
 157                                 m++;
 158                 }
 159         if(!(n = 2 * (f + m))) {
 160                 drawstatus();
 161                 return;
 162         }
 163         if(nwins < n) {
 164                 nwins = n;
 165                 wins = erealloc(wins, nwins * sizeof(Window));
 166         }
 167
 168         fi = 0;
 169         mi = 2 * f;
 170         if(sel->isfloat || arrange == dofloat) {
 171                 wins[fi++] = sel->title;
 172                 wins[fi++] = sel->win;
 173         }
 174         else {
 175                 wins[mi++] = sel->title;
 176                 wins[mi++] = sel->win;
 177         }
 178         for(c = clients; c; c = c->next)
 179                 if(isvisible(c) && c != sel) {
 180                         if(c->isfloat || arrange == dofloat) {
 181                                 wins[fi++] = c->title;
 182                                 wins[fi++] = c->win;
 183                         }
 184                         else {
 185                                 wins[mi++] = c->title;
 186                                 wins[mi++] = c->win;
 187                         }
 188                 }
 189         XRestackWindows(dpy, wins, n);
 190         drawall();
 191         XSync(dpy, False);
 192         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 193 }
 194
 195 void
 196 togglemode(Arg *arg)
 197 {
 198         arrange = (arrange == dofloat) ? dotile : dofloat;
 199         if(sel)
 200                 arrange(NULL);
 201         else
 202                 drawstatus();
 203 }
 204
 205 void
 206 toggleview(Arg *arg)
 207 {
 208         unsigned int i;
 209
 210         seltag[arg->i] = !seltag[arg->i];
 211         for(i = 0; i < ntags && !seltag[i]; i++);
 212         if(i == ntags)
 213                 seltag[arg->i] = True; /* cannot toggle last view */
 214         arrange(NULL);
 215 }
 216
 217 void
 218 view(Arg *arg)
 219 {
 220         unsigned int i;
 221
 222         for(i = 0; i < ntags; i++)
 223                 seltag[i] = False;
 224         seltag[arg->i] = True;
 225         arrange(NULL);
 226 }
 227
 228 void
 229 zoom(Arg *arg)
 230 {
 231         Client *c;
 232
 233         if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)
 234                 return;
 235
 236         if(sel == getnext(clients))  {
 237                 if((c = getnext(sel->next)))
 238                         sel = c;
 239                 else
 240                         return;
 241         }
 242
 243         /* pop */
 244         sel->prev->next = sel->next;
 245         if(sel->next)
 246                 sel->next->prev = sel->prev;
 247         sel->prev = NULL;
 248         clients->prev = sel;
 249         sel->next = clients;
 250         clients = sel;
 251         focus(sel);
 252         arrange(NULL);
 253 }