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annotate view.c @ 382:76b62c0c8c11

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improved selection policy
author Anselm R. Garbe <arg@10kloc.org>
date Tue, 29 Aug 2006 15:28:29 +0200
parents b00cc483d13b
children aba385c61b3b
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@327 60 Client *c;
arg@327 61
arg@327 62 for(c = clients; c; c = c->next) {
arg@327 63 c->ismax = False;
arg@327 64 if(isvisible(c)) {
arg@327 65 resize(c, True, TopLeft);
arg@327 66 }
arg@327 67 else
arg@327 68 ban(c);
arg@327 69 }
arg@382 70 if((sel = getnext(clients)))
arg@327 71 focus(sel);
arg@327 72 else
arg@327 73 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@327 74 restack();
arg@327 75 }
arg@327 76
arg@327 77 void
arg@327 78 dotile(Arg *arg)
arg@327 79 {
arg@327 80 int h, i, n, w;
arg@327 81 Client *c;
arg@327 82
arg@327 83 w = sw - mw;
arg@327 84 for(n = 0, c = clients; c; c = c->next)
arg@327 85 if(isvisible(c) && !c->isfloat)
arg@327 86 n++;
arg@327 87
arg@327 88 if(n > 1)
arg@327 89 h = (sh - bh) / (n - 1);
arg@327 90 else
arg@327 91 h = sh - bh;
arg@327 92
arg@327 93 for(i = 0, c = clients; c; c = c->next) {
arg@327 94 c->ismax = False;
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@382 133 if((sel = getnext(clients)))
arg@327 134 focus(sel);
arg@327 135 else
arg@327 136 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@327 137 restack();
arg@327 138 }
arg@327 139
arg@327 140 void
arg@327 141 focusnext(Arg *arg)
arg@327 142 {
arg@327 143 Client *c;
arg@327 144
arg@327 145 if(!sel)
arg@327 146 return;
arg@327 147
arg@327 148 if(!(c = getnext(sel->next)))
arg@327 149 c = getnext(clients);
arg@327 150 if(c) {
arg@327 151 focus(c);
arg@327 152 restack();
arg@327 153 }
arg@327 154 }
arg@327 155
arg@327 156 void
arg@327 157 focusprev(Arg *arg)
arg@327 158 {
arg@327 159 Client *c;
arg@327 160
arg@327 161 if(!sel)
arg@327 162 return;
arg@327 163
arg@327 164 if(!(c = getprev(sel->prev))) {
arg@327 165 for(c = clients; c && c->next; c = c->next);
arg@327 166 c = getprev(c);
arg@327 167 }
arg@327 168 if(c) {
arg@327 169 focus(c);
arg@327 170 restack();
arg@327 171 }
arg@327 172 }
arg@327 173
arg@327 174 Bool
arg@327 175 isvisible(Client *c)
arg@327 176 {
arg@327 177 unsigned int i;
arg@327 178
arg@327 179 for(i = 0; i < ntags; i++)
arg@327 180 if(c->tags[i] && seltag[i])
arg@327 181 return True;
arg@327 182 return False;
arg@327 183 }
arg@327 184
arg@327 185 void
arg@327 186 restack()
arg@327 187 {
arg@327 188 static unsigned int nwins = 0;
arg@327 189 static Window *wins = NULL;
arg@327 190 unsigned int f, fi, m, mi, n;
arg@327 191 Client *c;
arg@327 192 XEvent ev;
arg@327 193
arg@327 194 for(f = 0, m = 0, c = clients; c; c = c->next)
arg@327 195 if(isvisible(c)) {
arg@327 196 if(c->isfloat || arrange == dofloat)
arg@327 197 f++;
arg@327 198 else
arg@327 199 m++;
arg@327 200 }
arg@327 201 if(!(n = 2 * (f + m))) {
arg@327 202 drawstatus();
arg@327 203 return;
arg@327 204 }
arg@327 205 if(nwins < n) {
arg@327 206 nwins = n;
arg@327 207 wins = erealloc(wins, nwins * sizeof(Window));
arg@327 208 }
arg@327 209
arg@327 210 fi = 0;
arg@327 211 mi = 2 * f;
arg@327 212 if(sel->isfloat || arrange == dofloat) {
arg@342 213 wins[fi++] = sel->twin;
arg@327 214 wins[fi++] = sel->win;
arg@327 215 }
arg@327 216 else {
arg@342 217 wins[mi++] = sel->twin;
arg@327 218 wins[mi++] = sel->win;
arg@327 219 }
arg@327 220 for(c = clients; c; c = c->next)
arg@327 221 if(isvisible(c) && c != sel) {
arg@327 222 if(c->isfloat || arrange == dofloat) {
arg@342 223 wins[fi++] = c->twin;
arg@327 224 wins[fi++] = c->win;
arg@327 225 }
arg@327 226 else {
arg@342 227 wins[mi++] = c->twin;
arg@327 228 wins[mi++] = c->win;
arg@327 229 }
arg@327 230 }
arg@327 231 XRestackWindows(dpy, wins, n);
arg@327 232 drawall();
arg@327 233 XSync(dpy, False);
arg@327 234 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
arg@327 235 }
arg@327 236
arg@327 237 void
arg@327 238 togglemode(Arg *arg)
arg@327 239 {
arg@333 240 arrange = (arrange == dofloat) ? dotile : dofloat;
arg@327 241 if(sel)
arg@327 242 arrange(NULL);
arg@327 243 else
arg@327 244 drawstatus();
arg@327 245 }
arg@327 246
arg@327 247 void
arg@327 248 toggleview(Arg *arg)
arg@327 249 {
arg@327 250 unsigned int i;
arg@327 251
arg@327 252 seltag[arg->i] = !seltag[arg->i];
arg@327 253 for(i = 0; i < ntags && !seltag[i]; i++);
arg@327 254 if(i == ntags)
arg@327 255 seltag[arg->i] = True; /* cannot toggle last view */
arg@381 256 reorder();
arg@327 257 arrange(NULL);
arg@327 258 }
arg@327 259
arg@327 260 void
arg@327 261 view(Arg *arg)
arg@327 262 {
arg@327 263 unsigned int i;
arg@381 264 Client *c;
arg@327 265
arg@327 266 for(i = 0; i < ntags; i++)
arg@327 267 seltag[i] = False;
arg@327 268 seltag[arg->i] = True;
arg@381 269 reorder();
arg@327 270 arrange(NULL);
arg@327 271 }
arg@327 272
arg@327 273 void
arg@327 274 zoom(Arg *arg)
arg@327 275 {
arg@378 276 Client *c = sel;
arg@327 277
arg@378 278 if(!c || (arrange != dotile) || c->isfloat || c->ismax)
arg@327 279 return;
arg@327 280
arg@378 281 if(c == getnext(clients))
arg@378 282 if(!(c = getnext(c->next)))
arg@327 283 return;
arg@378 284 detach(c);
arg@381 285 c->next = clients;
arg@381 286 clients->prev = c;
arg@381 287 clients = c;
arg@378 288 focus(c);
arg@327 289 arrange(NULL);
arg@327 290 }