aewl: 2c29d74b11dc view.c

aewl

view view.c @ 505:2c29d74b11dc

first step to a more flexible dotile() algorithm

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 29 Sep 2006 12:38:27 +0200
parents	0cefc169ff67
children	2824b5d0f0f0

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 /* static */

9 static Client *

10 minclient(void) {

11 Client *c, *min;

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 }

21 static Client *

22 nexttiled(Client *c) {

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

24 return c;

25 }

27 static void

28 reorder(void) {

29 Client *c, *newclients, *tail;

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 }

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 }

65 /* extern */

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

68 Bool isvertical = VERTICALSTACK;

69 StackPos stackpos = STACKPOS;

71 void

72 detach(Client *c) {

73 if(c->prev)

74 c->prev->next = c->next;

75 if(c->next)

76 c->next->prev = c->prev;

77 if(c == clients)

78 clients = c->next;

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

80 }

82 void

83 dofloat(Arg *arg) {

84 Client *c;

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

87 if(isvisible(c)) {

88 resize(c, True, TopLeft);

89 }

90 else

91 ban(c);

92 }

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

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

95 focus(c);

96 }

97 restack();

98 }

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

101 * It supports following arrangements:

102 * MMMS MMMM SMMM

103 * MMMS MMMM SMMM

104 * MMMS SSSS SMMM

105 */

106 void

107 dotile(Arg *arg) {

108 int h, i, n, w;

109 Client *c;

110

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

112 n++;

113

114 if(isvertical) {

115 if(stackpos == StackBottom) {

116 w = sw;

117 if(n > 1)

118 h = (sh - bh) / (n - 1);

119 else

120 h = sh - bh;

121 }

122 else {

123 w = sw - master;

124 if(n > 1)

125 h = (sh - bh) / (n - 1);

126 else

127 h = sh - bh;

128 }

129 }

130 else { /* horizontal stack */

131

132 }

133

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

135 if(isvisible(c)) {

136 if(c->isfloat) {

137 resize(c, True, TopLeft);

138 continue;

139 }

140 c->ismax = False;

141 if(n == 1) {

142 c->x = sx;

143 c->y = sy + bh;

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

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

146 }

147 else if(i == 0) {

148 c->x = sx;

149 c->y = sy + bh;

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

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

152 }

153 else if(h > bh) {

154 c->x = sx + master;

155 c->y = sy + (i - 1) * h + bh;

156 c->w = w - 2 * BORDERPX;

157 if(i + 1 == n)

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

159 else

160 c->h = h - 2 * BORDERPX;

161 }

162 else { /* fallback if h < bh */

163 c->x = sx + master;

164 c->y = sy + bh;

165 c->w = w - 2 * BORDERPX;

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

167 }

168 resize(c, False, TopLeft);

169 i++;

170 }

171 else

172 ban(c);

173 }

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

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

176 focus(c);

177 }

178 restack();

179 }

180

181 void

182 focusnext(Arg *arg) {

183 Client *c;

184

185 if(!sel)

186 return;

187

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

189 c = getnext(clients);

190 if(c) {

191 focus(c);

192 restack();

193 }

194 }

195

196 void

197 focusprev(Arg *arg) {

198 Client *c;

199

200 if(!sel)

201 return;

202

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

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

205 c = getprev(c);

206 }

207 if(c) {

208 focus(c);

209 restack();

210 }

211 }

212

213 Bool

214 isvisible(Client *c) {

215 unsigned int i;

216

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

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

219 return True;

220 return False;

221 }

222

223 void

224 resizecol(Arg *arg) {

225 unsigned int n;

226 Client *c;

227

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

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

230 n++;

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

232 return;

233

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

235 if(master + arg->i > sw - 100 || master + arg->i < 100)

236 return;

237 master += arg->i;

238 }

239 else {

240 if(master - arg->i > sw - 100 || master - arg->i < 100)

241 return;

242 master -= arg->i;

243 }

244 arrange(NULL);

245 }

246

247 void

248 restack(void) {

249 Client *c;

250 XEvent ev;

251

252 if(!sel) {

253 drawstatus();

254 return;

255 }

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

257 XRaiseWindow(dpy, sel->win);

258 XRaiseWindow(dpy, sel->twin);

259 }

260 if(arrange != dofloat)

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

262 XLowerWindow(dpy, c->twin);

263 XLowerWindow(dpy, c->win);

264 }

265 drawall();

266 XSync(dpy, False);

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

268 }

269

270 void

271 togglemode(Arg *arg) {

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

273 if(sel)

274 arrange(NULL);

275 else

276 drawstatus();

277 }

278

279 void

280 toggleview(Arg *arg) {

281 unsigned int i;

282

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

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

285 if(i == ntags)

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

287 reorder();

288 arrange(NULL);

289 }

290

291 void

292 view(Arg *arg) {

293 unsigned int i;

294

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

296 seltag[i] = False;

297 seltag[arg->i] = True;

298 reorder();

299 arrange(NULL);

300 }

301

302 void

303 viewall(Arg *arg) {

304 unsigned int i;

305

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

307 seltag[i] = True;

308 reorder();

309 arrange(NULL);

310 }

311

312 void

313 zoom(Arg *arg) {

314 unsigned int n;

315 Client *c;

316

317 if(!sel)

318 return;

319

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

321 togglemax(sel);

322 return;

323 }

324

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

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

327 n++;

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

329 return;

330

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

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

333 return;

334 detach(c);

335 if(clients)

336 clients->prev = c;

337 c->next = clients;

338 clients = c;

339 focus(c);

340 arrange(NULL);

341 }