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annotate view.c @ 401:1eb2eb405653

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reducing focus calls (sanders patch)
author Anselm R. Garbe <arg@10kloc.org>
date Mon, 04 Sep 2006 10:10:08 +0200
parents 052657ff2e7b
children c7d5ff57998d
rev   line source
arg@327 1 /*
arg@327 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
arg@327 3 * See LICENSE file for license details.
arg@327 4 */
arg@327 5 #include "dwm.h"
arg@382 6 #include <stdio.h>
arg@327 7
arg@380 8 /* static */
arg@380 9
arg@382 10 static Client *
arg@382 11 minclient()
arg@382 12 {
arg@382 13 Client *c, *min;
arg@382 14
arg@382 15 for(min = c = clients; c; c = c->next)
arg@382 16 if(c->weight < min->weight)
arg@382 17 min = c;
arg@382 18 return min;
arg@382 19 }
arg@382 20
arg@382 21
arg@381 22 static void
arg@381 23 reorder()
arg@380 24 {
arg@382 25 Client *c, *newclients, *tail;
arg@380 26
arg@382 27 newclients = tail = NULL;
arg@382 28 while((c = minclient())) {
arg@381 29 detach(c);
arg@382 30 if(tail) {
arg@382 31 c->prev = tail;
arg@382 32 tail->next = c;
arg@382 33 tail = c;
arg@381 34 }
arg@381 35 else
arg@382 36 tail = newclients = c;
arg@380 37 }
arg@382 38 clients = newclients;
arg@380 39 }
arg@380 40
arg@327 41 /* extern */
arg@327 42
arg@327 43 void (*arrange)(Arg *) = DEFMODE;
arg@327 44
arg@327 45 void
arg@378 46 detach(Client *c)
arg@378 47 {
arg@378 48 if(c->prev)
arg@378 49 c->prev->next = c->next;
arg@378 50 if(c->next)
arg@378 51 c->next->prev = c->prev;
arg@378 52 if(c == clients)
arg@378 53 clients = c->next;
arg@378 54 c->next = c->prev = NULL;
arg@378 55 }
arg@378 56
arg@378 57 void
arg@327 58 dofloat(Arg *arg)
arg@327 59 {
arg@400 60 Client *c, *fc;
arg@400 61
arg@400 62 maximized = False;
arg@327 63
arg@327 64 for(c = clients; c; c = c->next) {
arg@327 65 if(isvisible(c)) {
arg@327 66 resize(c, True, TopLeft);
arg@327 67 }
arg@327 68 else
arg@327 69 ban(c);
arg@327 70 }
arg@401 71 if(!sel || !isvisible(sel))
arg@401 72 focus(getnext(clients));
arg@327 73 restack();
arg@327 74 }
arg@327 75
arg@327 76 void
arg@327 77 dotile(Arg *arg)
arg@327 78 {
arg@327 79 int h, i, n, w;
arg@400 80 Client *c, *fc;
arg@400 81
arg@400 82 maximized = False;
arg@327 83
arg@327 84 w = sw - mw;
arg@327 85 for(n = 0, c = clients; c; c = c->next)
arg@327 86 if(isvisible(c) && !c->isfloat)
arg@327 87 n++;
arg@327 88
arg@327 89 if(n > 1)
arg@327 90 h = (sh - bh) / (n - 1);
arg@327 91 else
arg@327 92 h = sh - bh;
arg@327 93
arg@327 94 for(i = 0, c = clients; c; c = c->next) {
arg@327 95 if(isvisible(c)) {
arg@327 96 if(c->isfloat) {
arg@327 97 resize(c, True, TopLeft);
arg@327 98 continue;
arg@327 99 }
arg@327 100 if(n == 1) {
arg@327 101 c->x = sx;
arg@327 102 c->y = sy + bh;
arg@327 103 c->w = sw - 2;
arg@327 104 c->h = sh - 2 - bh;
arg@327 105 }
arg@327 106 else if(i == 0) {
arg@327 107 c->x = sx;
arg@327 108 c->y = sy + bh;
arg@327 109 c->w = mw - 2;
arg@327 110 c->h = sh - 2 - bh;
arg@327 111 }
arg@327 112 else if(h > bh) {
arg@327 113 c->x = sx + mw;
arg@327 114 c->y = sy + (i - 1) * h + bh;
arg@327 115 c->w = w - 2;
arg@327 116 if(i + 1 == n)
arg@327 117 c->h = sh - c->y - 2;
arg@327 118 else
arg@327 119 c->h = h - 2;
arg@327 120 }
arg@327 121 else { /* fallback if h < bh */
arg@327 122 c->x = sx + mw;
arg@327 123 c->y = sy + bh;
arg@327 124 c->w = w - 2;
arg@327 125 c->h = sh - 2 - bh;
arg@327 126 }
arg@327 127 resize(c, False, TopLeft);
arg@327 128 i++;
arg@327 129 }
arg@327 130 else
arg@327 131 ban(c);
arg@327 132 }
arg@401 133 if(!sel || !isvisible(sel))
arg@401 134 focus(getnext(clients));
arg@327 135 restack();
arg@327 136 }
arg@327 137
arg@327 138 void
arg@327 139 focusnext(Arg *arg)
arg@327 140 {
arg@327 141 Client *c;
arg@327 142
arg@327 143 if(!sel)
arg@327 144 return;
arg@327 145
arg@327 146 if(!(c = getnext(sel->next)))
arg@327 147 c = getnext(clients);
arg@327 148 if(c) {
arg@327 149 focus(c);
arg@327 150 restack();
arg@327 151 }
arg@327 152 }
arg@327 153
arg@327 154 void
arg@327 155 focusprev(Arg *arg)
arg@327 156 {
arg@327 157 Client *c;
arg@327 158
arg@327 159 if(!sel)
arg@327 160 return;
arg@327 161
arg@327 162 if(!(c = getprev(sel->prev))) {
arg@327 163 for(c = clients; c && c->next; c = c->next);
arg@327 164 c = getprev(c);
arg@327 165 }
arg@327 166 if(c) {
arg@327 167 focus(c);
arg@327 168 restack();
arg@327 169 }
arg@327 170 }
arg@327 171
arg@327 172 Bool
arg@327 173 isvisible(Client *c)
arg@327 174 {
arg@327 175 unsigned int i;
arg@327 176
arg@327 177 for(i = 0; i < ntags; i++)
arg@327 178 if(c->tags[i] && seltag[i])
arg@327 179 return True;
arg@327 180 return False;
arg@327 181 }
arg@327 182
arg@327 183 void
arg@327 184 restack()
arg@327 185 {
arg@327 186 static unsigned int nwins = 0;
arg@327 187 static Window *wins = NULL;
arg@327 188 unsigned int f, fi, m, mi, n;
arg@327 189 Client *c;
arg@327 190 XEvent ev;
arg@327 191
arg@327 192 for(f = 0, m = 0, c = clients; c; c = c->next)
arg@327 193 if(isvisible(c)) {
arg@327 194 if(c->isfloat || arrange == dofloat)
arg@327 195 f++;
arg@327 196 else
arg@327 197 m++;
arg@327 198 }
arg@327 199 if(!(n = 2 * (f + m))) {
arg@327 200 drawstatus();
arg@327 201 return;
arg@327 202 }
arg@327 203 if(nwins < n) {
arg@327 204 nwins = n;
arg@327 205 wins = erealloc(wins, nwins * sizeof(Window));
arg@327 206 }
arg@327 207
arg@327 208 fi = 0;
arg@327 209 mi = 2 * f;
arg@327 210 if(sel->isfloat || arrange == dofloat) {
arg@342 211 wins[fi++] = sel->twin;
arg@327 212 wins[fi++] = sel->win;
arg@327 213 }
arg@327 214 else {
arg@342 215 wins[mi++] = sel->twin;
arg@327 216 wins[mi++] = sel->win;
arg@327 217 }
arg@327 218 for(c = clients; c; c = c->next)
arg@327 219 if(isvisible(c) && c != sel) {
arg@327 220 if(c->isfloat || arrange == dofloat) {
arg@342 221 wins[fi++] = c->twin;
arg@327 222 wins[fi++] = c->win;
arg@327 223 }
arg@327 224 else {
arg@342 225 wins[mi++] = c->twin;
arg@327 226 wins[mi++] = c->win;
arg@327 227 }
arg@327 228 }
arg@327 229 XRestackWindows(dpy, wins, n);
arg@327 230 drawall();
arg@327 231 XSync(dpy, False);
arg@327 232 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@327 233 }
arg@327 234
arg@327 235 void
arg@327 236 togglemode(Arg *arg)
arg@327 237 {
arg@333 238 arrange = (arrange == dofloat) ? dotile : dofloat;
arg@327 239 if(sel)
arg@327 240 arrange(NULL);
arg@327 241 else
arg@327 242 drawstatus();
arg@327 243 }
arg@327 244
arg@327 245 void
arg@327 246 toggleview(Arg *arg)
arg@327 247 {
arg@327 248 unsigned int i;
arg@327 249
arg@327 250 seltag[arg->i] = !seltag[arg->i];
arg@327 251 for(i = 0; i < ntags && !seltag[i]; i++);
arg@327 252 if(i == ntags)
arg@327 253 seltag[arg->i] = True; /* cannot toggle last view */
arg@381 254 reorder();
arg@327 255 arrange(NULL);
arg@327 256 }
arg@327 257
arg@327 258 void
arg@327 259 view(Arg *arg)
arg@327 260 {
arg@327 261 unsigned int i;
arg@327 262
arg@327 263 for(i = 0; i < ntags; i++)
arg@327 264 seltag[i] = False;
arg@327 265 seltag[arg->i] = True;
arg@381 266 reorder();
arg@327 267 arrange(NULL);
arg@327 268 }
arg@327 269
arg@327 270 void
arg@395 271 viewall(Arg *arg)
arg@395 272 {
arg@395 273 unsigned int i;
arg@395 274
arg@395 275 for(i = 0; i < ntags; i++)
arg@395 276 seltag[i] = True;
arg@397 277 reorder();
arg@395 278 arrange(NULL);
arg@395 279 }
arg@395 280
arg@395 281 void
arg@327 282 zoom(Arg *arg)
arg@327 283 {
arg@378 284 Client *c = sel;
arg@327 285
arg@400 286 if(!c || (arrange != dotile) || c->isfloat || maximized)
arg@327 287 return;
arg@327 288
arg@378 289 if(c == getnext(clients))
arg@378 290 if(!(c = getnext(c->next)))
arg@327 291 return;
arg@378 292 detach(c);
arg@381 293 c->next = clients;
arg@381 294 clients->prev = c;
arg@381 295 clients = c;
arg@378 296 focus(c);
arg@327 297 arrange(NULL);
arg@327 298 }