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 /* static */
   8
   9 static Client *
  10 minclient(void) {
  11         Client *c, *min;
  12
  13         if((clients && clients->isfloat) || arrange == dofloat)
  14                 return clients; /* don't touch floating order */
  15         for(min = c = clients; c; c = c->next)
  16                 if(c->weight < min->weight)
  17                         min = c;
  18         return min;
  19 }
  20
  21 static Client *
  22 nexttiled(Client *c) {
  23         for(c = getnext(c); c && c->isfloat; c = getnext(c->next));
  24         return c;
  25 }
  26
  27 static void
  28 reorder(void) {
  29         Client *c, *newclients, *tail;
  30
  31         newclients = tail = NULL;
  32         while((c = minclient())) {
  33                 detach(c);
  34                 if(tail) {
  35                         c->prev = tail;
  36                         tail->next = c;
  37                         tail = c;
  38                 }
  39                 else
  40                         tail = newclients = c;
  41         }
  42         clients = newclients;
  43 }
  44
  45 static void
  46 togglemax(Client *c)
  47 {
  48         XEvent ev;
  49         if((c->ismax = !c->ismax)) {
  50                 c->rx = c->x; c->x = sx;
  51                 c->ry = c->y; c->y = bh;
  52                 c->rw = c->w; c->w = sw - 2 * BORDERPX;
  53                 c->rh = c->h; c->h = sh - bh - 2 * BORDERPX;
  54         }
  55         else {
  56                 c->x = c->rx;
  57                 c->y = c->ry;
  58                 c->w = c->rw;
  59                 c->h = c->rh;
  60         }
  61         resize(c, True, TopLeft);
  62         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
  63 }
  64
  65 /* extern */
  66
  67 void (*arrange)(Arg *) = DEFMODE;
  68
  69 void
  70 detach(Client *c) {
  71         if(c->prev)
  72                 c->prev->next = c->next;
  73         if(c->next)
  74                 c->next->prev = c->prev;
  75         if(c == clients)
  76                 clients = c->next;
  77         c->next = c->prev = NULL;
  78 }
  79
  80 void
  81 dofloat(Arg *arg) {
  82         Client *c;
  83
  84         for(c = clients; c; c = c->next) {
  85                 if(isvisible(c)) {
  86                         resize(c, True, TopLeft);
  87                 }
  88                 else
  89                         ban(c);
  90         }
  91         if(!sel || !isvisible(sel)) {
  92                 for(c = stack; c && !isvisible(c); c = c->snext);
  93                 focus(c);
  94         }
  95         restack();
  96 }
  97
  98 void
  99 dotile(Arg *arg) {
 100         unsigned int i, n, mpx, stackw, stackh, th;
 101         Client *c;
 102
 103         for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
 104                 n++;
 105
 106         mpx = (sw * master) / 1000;
 107         stackw = sw - mpx;
 108         stackh = sh - bh;
 109
 110         th = stackh;
 111         if(n > 1)
 112                 th /= (n - 1);
 113
 114         for(i = 0, c = clients; c; c = c->next, i++)
 115                 if(isvisible(c)) {
 116                         if(c->isfloat) {
 117                                 resize(c, True, TopLeft);
 118                                 continue;
 119                         }
 120                         c->ismax = False;
 121                         c->x = sx;
 122                         c->y = sy + bh;
 123                         if(n == 1) { /* only 1 window */
 124                                 c->w = sw - 2 * BORDERPX;
 125                                 c->h = sh - 2 * BORDERPX - bh;
 126                         }
 127                         else if(i == 0) { /* master window */
 128                                 c->w = mpx - 2 * BORDERPX;
 129                                 c->h = sh - bh - 2 * BORDERPX;
 130                         }
 131                         else {  /* tile window */
 132                                 c->x += mpx;
 133                                 c->w = stackw - 2 * BORDERPX;
 134                                 if(th > bh) {
 135                                         c->y = sy + (i - 1) * th + bh;
 136                                         if(i + 1 == n)
 137                                                 c->h = sh - c->y - 2 * BORDERPX;
 138                                         else
 139                                                 c->h = th - 2 * BORDERPX;
 140                                 }
 141                                 else /* fallback if th < bh */
 142                                         c->h = stackh - 2 * BORDERPX;
 143                         }
 144                         resize(c, False, TopLeft);
 145                 }
 146                 else
 147                         ban(c);
 148         if(!sel || !isvisible(sel)) {
 149                 for(c = stack; c && !isvisible(c); c = c->snext);
 150                 focus(c);
 151         }
 152         restack();
 153 }
 154
 155 void
 156 focusnext(Arg *arg) {
 157         Client *c;
 158
 159         if(!sel)
 160                 return;
 161
 162         if(!(c = getnext(sel->next)))
 163                 c = getnext(clients);
 164         if(c) {
 165                 focus(c);
 166                 restack();
 167         }
 168 }
 169
 170 void
 171 focusprev(Arg *arg) {
 172         Client *c;
 173
 174         if(!sel)
 175                 return;
 176
 177         if(!(c = getprev(sel->prev))) {
 178                 for(c = clients; c && c->next; c = c->next);
 179                 c = getprev(c);
 180         }
 181         if(c) {
 182                 focus(c);
 183                 restack();
 184         }
 185 }
 186
 187 Bool
 188 isvisible(Client *c) {
 189         unsigned int i;
 190
 191         for(i = 0; i < ntags; i++)
 192                 if(c->tags[i] && seltag[i])
 193                         return True;
 194         return False;
 195 }
 196
 197 void
 198 resizecol(Arg *arg) {
 199         unsigned int n;
 200         Client *c;
 201
 202         for(n = 0, c = clients; c; c = c->next)
 203                 if(isvisible(c) && !c->isfloat)
 204                         n++;
 205         if(!sel || sel->isfloat || n < 2 || (arrange == dofloat))
 206                 return;
 207
 208         if(sel == getnext(clients)) {
 209                 if(master + arg->i > 950 || master + arg->i < 50)
 210                         return;
 211                 master += arg->i;
 212         }
 213         else {
 214                 if(master - arg->i > 950 || master - arg->i < 50)
 215                         return;
 216                 master -= arg->i;
 217         }
 218         arrange(NULL);
 219 }
 220
 221 void
 222 restack(void) {
 223         Client *c;
 224         XEvent ev;
 225
 226         if(!sel) {
 227                 drawstatus();
 228                 return;
 229         }
 230         if(sel->isfloat || arrange == dofloat) {
 231                 XRaiseWindow(dpy, sel->win);
 232                 XRaiseWindow(dpy, sel->twin);
 233         }
 234         if(arrange != dofloat) {
 235                 if(!sel->isfloat) {
 236                         XLowerWindow(dpy, sel->twin);
 237                         XLowerWindow(dpy, sel->win);
 238                 }
 239                 for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
 240                         if(c == sel)
 241                                 continue;
 242                         XLowerWindow(dpy, c->twin);
 243                         XLowerWindow(dpy, c->win);
 244                 }
 245         }
 246         drawall();
 247         XSync(dpy, False);
 248         while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 249 }
 250
 251 void
 252 togglemode(Arg *arg) {
 253         arrange = (arrange == dofloat) ? dotile : dofloat;
 254         if(sel)
 255                 arrange(NULL);
 256         else
 257                 drawstatus();
 258 }
 259
 260 void
 261 toggleview(Arg *arg) {
 262         unsigned int i;
 263
 264         seltag[arg->i] = !seltag[arg->i];
 265         for(i = 0; i < ntags && !seltag[i]; i++);
 266         if(i == ntags)
 267                 seltag[arg->i] = True; /* cannot toggle last view */
 268         reorder();
 269         arrange(NULL);
 270 }
 271
 272 void
 273 view(Arg *arg) {
 274         unsigned int i;
 275
 276         for(i = 0; i < ntags; i++)
 277                 seltag[i] = False;
 278         seltag[arg->i] = True;
 279         reorder();
 280         arrange(NULL);
 281 }
 282
 283 void
 284 viewall(Arg *arg) {
 285         unsigned int i;
 286
 287         for(i = 0; i < ntags; i++)
 288                 seltag[i] = True;
 289         reorder();
 290         arrange(NULL);
 291 }
 292
 293
 294
 295 void
 296 zoom(Arg *arg) {
 297         unsigned int n;
 298         Client *c;
 299
 300         if(!sel)
 301                 return;
 302
 303         if(sel->isfloat || (arrange == dofloat)) {
 304                 togglemax(sel);
 305                 return;
 306         }
 307
 308         for(n = 0, c = clients; c; c = c->next)
 309                 if(isvisible(c) && !c->isfloat)
 310                         n++;
 311         if(n < 2 || (arrange == dofloat))
 312                 return;
 313
 314         if((c = sel) == nexttiled(clients))
 315                 if(!(c = nexttiled(c->next)))
 316                         return;
 317         detach(c);
 318         if(clients)
 319                 clients->prev = c;
 320         c->next = clients;
 321         clients = c;
 322         focus(c);
 323         arrange(NULL);
 324 }