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, mpw, th;
  73         Client *c;
  74
  75         for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
  76                 n++;
  77         mpw = (waw * master) / 1000;
  78
  79         for(i = 0, c = clients; c; c = c->next)
  80                 if(isvisible(c)) {
  81                         if(c->isfloat) {
  82                                 resize(c, True, TopLeft);
  83                                 continue;
  84                         }
  85                         c->ismax = False;
  86                         c->x = wax;
  87                         c->y = way;
  88                         if(n == 1) { /* only 1 window */
  89                                 c->w = waw - 2 * BORDERPX;
  90                                 c->h = wah - 2 * BORDERPX;
  91                         }
  92                         else if(i == 0) { /* master window */
  93                                 c->w = mpw - 2 * BORDERPX;
  94                                 c->h = wah - 2 * BORDERPX;
  95                                 th = wah / (n - 1);
  96                         }
  97                         else {  /* tile window */
  98                                 c->x += mpw;
  99                                 c->w = (waw - mpw) - 2 * BORDERPX;
 100                                 if(th > bh) {
 101                                         c->y += (i - 1) * th;
 102                                         c->h = th - 2 * BORDERPX;
 103                                 }
 104                                 else /* fallback if th < bh */
 105                                         c->h = wah - 2 * BORDERPX;
 106                         }
 107                         resize(c, False, TopLeft);
 108                         i++;
 109                 }
 110                 else
 111                         ban(c);
 112
 113         if(!sel || !isvisible(sel)) {
 114                 for(c = stack; c && !isvisible(c); c = c->snext);
 115                 focus(c);
 116         }
 117         restack();
 118 }
 119
 120 void
 121 focusnext(Arg *arg) {
 122         Client *c;
 123
 124         if(!sel)
 125                 return;
 126         if(!(c = getnext(sel->next)))
 127                 c = getnext(clients);
 128         if(c) {
 129                 focus(c);
 130                 restack();
 131         }
 132 }
 133
 134 void
 135 focusprev(Arg *arg) {
 136         Client *c;
 137
 138         if(!sel)
 139                 return;
 140         if(!(c = getprev(sel->prev))) {
 141                 for(c = clients; c && c->next; c = c->next);
 142                 c = getprev(c);
 143         }
 144         if(c) {
 145                 focus(c);
 146                 restack();
 147         }
 148 }
 149
 150 Bool
 151 isvisible(Client *c) {
 152         unsigned int i;
 153
 154         for(i = 0; i < ntags; i++)
 155                 if(c->tags[i] && seltag[i])
 156                         return True;
 157         return False;
 158 }
 159
 160 void
 161 resizemaster(Arg *arg) {
 162         if(arg->i == 0)
 163                 master = MASTER;
 164         else {
 165                 if(master + arg->i > 950 || master + arg->i < 50)
 166                         return;
 167                 master += arg->i;
 168         }
 169         arrange();
 170 }
 171
 172 void
 173 restack(void) {
 174         Client *c;
 175         XEvent ev;
 176
 177         if(!sel) {
 178                 drawstatus();
 179                 return;
 180         }
 181         if(sel->isfloat || arrange == dofloat) {
 182                 XRaiseWindow(dpy, sel->win);
 183                 XRaiseWindow(dpy, sel->twin);
 184         }
 185         if(arrange != dofloat) {
 186                 if(!sel->isfloat) {
 187                         XLowerWindow(dpy, sel->twin);
 188                         XLowerWindow(dpy, sel->win);
 189                 }
 190                 for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
 191                         if(c == sel)
 192                                 continue;
 193                         XLowerWindow(dpy, c->twin);
 194                         XLowerWindow(dpy, c->win);
 195                 }
 196         }
 197         drawall();
 198         XSync(dpy, False);
 199         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 200 }
 201
 202 void
 203 togglefloat(Arg *arg) {
 204         if (!sel || arrange == dofloat)
 205                 return;
 206         sel->isfloat = !sel->isfloat;
 207         arrange();
 208 }
 209
 210 void
 211 togglemode(Arg *arg) {
 212         arrange = (arrange == dofloat) ? dotile : dofloat;
 213         if(sel)
 214                 arrange();
 215         else
 216                 drawstatus();
 217 }
 218
 219 void
 220 toggleview(Arg *arg) {
 221         unsigned int i;
 222
 223         seltag[arg->i] = !seltag[arg->i];
 224         for(i = 0; i < ntags && !seltag[i]; i++);
 225         if(i == ntags)
 226                 seltag[arg->i] = True; /* cannot toggle last view */
 227         arrange();
 228 }
 229
 230 void
 231 view(Arg *arg) {
 232         unsigned int i;
 233
 234         for(i = 0; i < ntags; i++)
 235                 seltag[i] = (arg->i == -1) ? True : False;
 236         if(arg->i >= 0 && arg->i < ntags)
 237                 seltag[arg->i] = True;
 238         arrange();
 239 }
 240
 241 void
 242 zoom(Arg *arg) {
 243         unsigned int n;
 244         Client *c;
 245
 246         if(!sel)
 247                 return;
 248         if(sel->isfloat || (arrange == dofloat)) {
 249                 togglemax(sel);
 250                 return;
 251         }
 252         for(n = 0, c = clients; c; c = c->next)
 253                 if(isvisible(c) && !c->isfloat)
 254                         n++;
 255         if(n < 2 || (arrange == dofloat))
 256                 return;
 257         if((c = sel) == nexttiled(clients))
 258                 if(!(c = nexttiled(c->next)))
 259                         return;
 260         detach(c);
 261         if(clients)
 262                 clients->prev = c;
 263         c->next = clients;
 264         clients = c;
 265         focus(c);
 266         arrange();
 267 }