aewl: c1dd19da63ef view.c

aewl

view view.c @ 523:c1dd19da63ef

yet another simplification of dotile()

author	Anselm R. Garbe <arg@10kloc.org>
date	Thu, 05 Oct 2006 12:18:04 +0200
parents	fd1275f3b205
children	1a9a0877650c

line source

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"

7 #define MINDIM 100

9 /* static */

11 static Client *

12 minclient(void) {

13 Client *c, *min;

15 if((clients && clients->isfloat) || arrange == dofloat)

16 return clients; /* don't touch floating order */

17 for(min = c = clients; c; c = c->next)

18 if(c->weight < min->weight)

19 min = c;

20 return min;

21 }

23 static Client *

24 nexttiled(Client *c) {

25 for(c = getnext(c); c && c->isfloat; c = getnext(c->next));

26 return c;

27 }

29 static void

30 reorder(void) {

31 Client *c, *newclients, *tail;

33 newclients = tail = NULL;

34 while((c = minclient())) {

35 detach(c);

36 if(tail) {

37 c->prev = tail;

38 tail->next = c;

39 tail = c;

40 }

41 else

42 tail = newclients = c;

43 }

44 clients = newclients;

45 }

47 static void

48 togglemax(Client *c)

49 {

50 XEvent ev;

51 if((c->ismax = !c->ismax)) {

52 c->rx = c->x; c->x = sx;

53 c->ry = c->y; c->y = bh;

54 c->rw = c->w; c->w = sw - 2 * BORDERPX;

55 c->rh = c->h; c->h = sh - bh - 2 * BORDERPX;

56 }

57 else {

58 c->x = c->rx;

59 c->y = c->ry;

60 c->w = c->rw;

61 c->h = c->rh;

62 }

63 resize(c, True, TopLeft);

64 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));

65 }

67 /* extern */

69 void (*arrange)(Arg *) = DEFMODE;

70 StackPos stackpos = STACKPOS;

72 void

73 detach(Client *c) {

74 if(c->prev)

75 c->prev->next = c->next;

76 if(c->next)

77 c->next->prev = c->prev;

78 if(c == clients)

79 clients = c->next;

80 c->next = c->prev = NULL;

81 }

83 void

84 dofloat(Arg *arg) {

85 Client *c;

87 for(c = clients; c; c = c->next) {

88 if(isvisible(c)) {

89 resize(c, True, TopLeft);

90 }

91 else

92 ban(c);

93 }

94 if(!sel || !isvisible(sel)) {

95 for(c = stack; c && !isvisible(c); c = c->snext);

96 focus(c);

97 }

98 restack();

99 }

100

101 /* This algorithm is based on a (M)aster area and a (S)tacking area.

102 * It supports following arrangements:

103 * SSMMM MMMMM MMMSS

104 * SSMMM SSSSS MMMSS

105 */

106 void

107 dotile(Arg *arg) {

108 int i, n, stackw, stackh, tw, th;

109 Client *c;

110

111 for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))

112 n++;

113

114 if(stackpos == StackBottom) {

115 stackw = sw;

116 stackh = sh - bh - master;

117 }

118 else {

119 stackw = sw - master;

120 stackh = sh - bh;

121 }

122

123 tw = stackw;

124 if(n > 1)

125 th = stackh / (n - 1);

126 else

127 th = stackh;

128

129 for(i = 0, c = clients; c; c = c->next) {

130 if(isvisible(c)) {

131 if(c->isfloat) {

132 resize(c, True, TopLeft);

133 continue;

134 }

135 c->ismax = False;

136 c->x = sx;

137 c->y = sy + bh;

138 if(n == 1) { /* only 1 window */

139 c->w = sw - 2 * BORDERPX;

140 c->h = sh - 2 * BORDERPX - bh;

141 }

142 else if(i == 0) { /* master window */

143 if(stackpos == StackLeft)

144 c->x += stackw;

145 switch(stackpos) {

146 case StackLeft:

147 case StackRight:

148 c->w = master - 2 * BORDERPX;

149 c->h = sh - bh - 2 * BORDERPX;

150 break;

151 case StackBottom:

152 c->w = sw - 2 * BORDERPX;

153 c->h = master - 2 * BORDERPX;

154 break;

155 }

156 }

157 else { /* tile window */

158 if(stackpos == StackRight)

159 c->x += master;

160 if(th > bh) {

161 switch(stackpos) {

162 case StackLeft:

163 case StackRight:

164 c->y = sy + (i - 1) * th + bh;

165 if(i + 1 == n)

166 c->h = sh - c->y - 2 * BORDERPX;

167 break;

168 case StackBottom:

169 c->y = sy + master + (i - 1) * th + bh;

170 if(i + 1 == n)

171 c->h = sh - c->y - 2 * BORDERPX;

172 break;

173 }

174 c->w = tw - 2 * BORDERPX;

175 c->h = th - 2 * BORDERPX;

176 }

177 else { /* fallback if th < bh */

178 if(stackpos == StackBottom)

179 c->y += master;

180 c->w = stackw - 2 * BORDERPX;

181 c->h = stackh - 2 * BORDERPX;

182 }

183 }

184 resize(c, False, TopLeft);

185 i++;

186 }

187 else

188 ban(c);

189 }

190 if(!sel || !isvisible(sel)) {

191 for(c = stack; c && !isvisible(c); c = c->snext);

192 focus(c);

193 }

194 restack();

195 }

196

197 void

198 focusnext(Arg *arg) {

199 Client *c;

200

201 if(!sel)

202 return;

203

204 if(!(c = getnext(sel->next)))

205 c = getnext(clients);

206 if(c) {

207 focus(c);

208 restack();

209 }

210 }

211

212 void

213 focusprev(Arg *arg) {

214 Client *c;

215

216 if(!sel)

217 return;

218

219 if(!(c = getprev(sel->prev))) {

220 for(c = clients; c && c->next; c = c->next);

221 c = getprev(c);

222 }

223 if(c) {

224 focus(c);

225 restack();

226 }

227 }

228

229 Bool

230 isvisible(Client *c) {

231 unsigned int i;

232

233 for(i = 0; i < ntags; i++)

234 if(c->tags[i] && seltag[i])

235 return True;

236 return False;

237 }

238

239 void

240 resizecol(Arg *arg) {

241 int s;

242 unsigned int n;

243 Client *c;

244

245 for(n = 0, c = clients; c; c = c->next)

246 if(isvisible(c) && !c->isfloat)

247 n++;

248 if(!sel || sel->isfloat || n < 2 || (arrange == dofloat))

249 return;

250

251 s = stackpos == StackBottom ? sh - bh : sw;

252 if(sel == getnext(clients)) {

253 if(master + arg->i > s - MINDIM || master + arg->i < MINDIM)

254 return;

255 master += arg->i;

256 }

257 else {

258 if(master - arg->i > s - MINDIM || master - arg->i < MINDIM)

259 return;

260 master -= arg->i;

261 }

262 arrange(NULL);

263 }

264

265 void

266 restack(void) {

267 Client *c;

268 XEvent ev;

269

270 if(!sel) {

271 drawstatus();

272 return;

273 }

274 if(sel->isfloat || arrange == dofloat) {

275 XRaiseWindow(dpy, sel->win);

276 XRaiseWindow(dpy, sel->twin);

277 }

278 if(arrange != dofloat) {

279 if(!sel->isfloat) {

280 XLowerWindow(dpy, sel->twin);

281 XLowerWindow(dpy, sel->win);

282 }

283 for(c = nexttiled(clients); c; c = nexttiled(c->next)) {

284 if(c == sel)

285 continue;

286 XLowerWindow(dpy, c->twin);

287 XLowerWindow(dpy, c->win);

288 }

289 }

290 drawall();

291 XSync(dpy, False);

292 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));

293 }

294

295 void

296 togglemode(Arg *arg) {

297 arrange = (arrange == dofloat) ? dotile : dofloat;

298 if(sel)

299 arrange(NULL);

300 else

301 drawstatus();

302 }

303

304 void

305 toggleview(Arg *arg) {

306 unsigned int i;

307

308 seltag[arg->i] = !seltag[arg->i];

309 for(i = 0; i < ntags && !seltag[i]; i++);

310 if(i == ntags)

311 seltag[arg->i] = True; /* cannot toggle last view */

312 reorder();

313 arrange(NULL);

314 }

315

316 void

317 togglestackpos(Arg *arg) {

318 if(arrange == dofloat)

319 return;

320 if(stackpos == StackBottom)

321 stackpos = STACKPOS;

322 else

323 stackpos = StackBottom;

324 master = ((stackpos == StackBottom ? sh - bh : sw) * MASTER) / 100;

325 arrange(NULL);

326 }

327

328 void

329 view(Arg *arg) {

330 unsigned int i;

331

332 for(i = 0; i < ntags; i++)

333 seltag[i] = False;

334 seltag[arg->i] = True;

335 reorder();

336 arrange(NULL);

337 }

338

339 void

340 viewall(Arg *arg) {

341 unsigned int i;

342

343 for(i = 0; i < ntags; i++)

344 seltag[i] = True;

345 reorder();

346 arrange(NULL);

347 }

348

349

350

351 void

352 zoom(Arg *arg) {

353 unsigned int n;

354 Client *c;

355

356 if(!sel)

357 return;

358

359 if(sel->isfloat || (arrange == dofloat)) {

360 togglemax(sel);

361 return;

362 }

363

364 for(n = 0, c = clients; c; c = c->next)

365 if(isvisible(c) && !c->isfloat)

366 n++;

367 if(n < 2 || (arrange == dofloat))

368 return;

369

370 if((c = sel) == nexttiled(clients))

371 if(!(c = nexttiled(c->next)))

372 return;

373 detach(c);

374 if(clients)

375 clients->prev = c;

376 c->next = clients;

377 clients = c;

378 focus(c);

379 arrange(NULL);

380 }