aewl: c30805f6bb08 view.c

aewl

view view.c @ 656:c30805f6bb08

adding some prevention that master clients get smaller than bh

author	Anselm R. Garbe <arg@suckless.org>
date	Fri, 05 Jan 2007 15:16:39 +0100
parents	04734db9a219
children	b4d1ef7e407f

line source

1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>

2 * See LICENSE file for license details.

3 */

4 #include "dwm.h"

6 /* static */

8 static Client *

9 nexttiled(Client *c) {

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

11 return c;

12 }

14 static Bool

15 ismaster(Client *c) {

16 Client *cl;

17 unsigned int i;

19 for(cl = nexttiled(clients), i = 0; cl && cl != c; cl = nexttiled(cl->next), i++);

20 return i < nmaster;

21 }

23 static void

24 pop(Client *c) {

25 detach(c);

26 if(clients)

27 clients->prev = c;

28 c->next = clients;

29 clients = c;

30 }

32 static void

33 swap(Client *c1, Client *c2) {

34 Client tmp = *c1;

35 Client *cp = c1->prev;

36 Client *cn = c1->next;

38 *c1 = *c2;

39 c1->prev = cp;

40 c1->next = cn;

41 cp = c2->prev;

42 cn = c2->next;

43 *c2 = tmp;

44 c2->prev = cp;

45 c2->next = cn;

46 }

48 static void

49 togglemax(Client *c) {

50 XEvent ev;

52 if(c->isfixed)

53 return;

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

56 c->rx = c->x; c->x = wax;

57 c->ry = c->y; c->y = way;

58 c->rw = c->w; c->w = waw - 2 * BORDERPX;

59 c->rh = c->h; c->h = wah - 2 * BORDERPX;

60 }

61 else {

62 c->x = c->rx;

63 c->y = c->ry;

64 c->w = c->rw;

65 c->h = c->rh;

66 }

67 resize(c, True, TopLeft);

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

69 }

71 static Client *

72 topofstack() {

73 Client *c;

74 unsigned int i;

76 for(c = nexttiled(clients), i = 0; c && i < nmaster; c = nexttiled(c->next), i++);

77 return (i < nmaster) ? NULL : c;

78 }

80 /* extern */

82 void (*arrange)(void) = DEFMODE;

84 void

85 detach(Client *c) {

86 if(c->prev)

87 c->prev->next = c->next;

88 if(c->next)

89 c->next->prev = c->prev;

90 if(c == clients)

91 clients = c->next;

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

93 }

95 void

96 dofloat(void) {

97 Client *c;

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

100 if(isvisible(c)) {

101 resize(c, True, TopLeft);

102 }

103 else

104 ban(c);

105 }

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

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

108 focus(c);

109 }

110 restack();

111 }

112

113 void

114 dotile(void) {

115 unsigned int i, n, mw, mh, tw, th;

116 Client *c;

117

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

119 n++;

120 /* window geoms */

121 mw = (n > nmaster) ? (waw * master) / 1000 : waw;

122 mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);

123 tw = waw - mw;

124 th = (n > nmaster) ? wah / (n - nmaster) : 0;

125

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

127 if(isvisible(c)) {

128 if(c->isfloat) {

129 resize(c, True, TopLeft);

130 continue;

131 }

132 c->ismax = False;

133 c->x = wax;

134 c->y = way;

135 if(i < nmaster) {

136 c->y += i * mh;

137 c->w = mw - 2 * BORDERPX;

138 c->h = mh - 2 * BORDERPX;

139 }

140 else { /* tile window */

141 c->x += mw;

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

143 if(th > bh) {

144 c->y += (i - nmaster) * th;

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

146 }

147 else /* fallback if th < bh */

148 c->h = wah - 2 * BORDERPX;

149 }

150 resize(c, False, TopLeft);

151 i++;

152 }

153 else

154 ban(c);

155

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

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

158 focus(c);

159 }

160 restack();

161 }

162

163 void

164 focusnext(Arg *arg) {

165 Client *c;

166

167 if(!sel)

168 return;

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

170 c = getnext(clients);

171 if(c) {

172 focus(c);

173 restack();

174 }

175 }

176

177 void

178 focusprev(Arg *arg) {

179 Client *c;

180

181 if(!sel)

182 return;

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

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

185 c = getprev(c);

186 }

187 if(c) {

188 focus(c);

189 restack();

190 }

191 }

192

193 void

194 incnmaster(Arg *arg) {

195 if(nmaster + arg->i < 1 || (wah / (nmaster + arg->i) < bh))

196 return;

197 nmaster += arg->i;

198

199 arrange();

200 }

201

202 Bool

203 isvisible(Client *c) {

204 unsigned int i;

205

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

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

208 return True;

209 return False;

210 }

211

212 void

213 resizemaster(Arg *arg) {

214 if(arg->i == 0)

215 master = MASTER;

216 else {

217 if(master + arg->i > 950 || master + arg->i < 50)

218 return;

219 master += arg->i;

220 }

221 arrange();

222 }

223

224 void

225 restack(void) {

226 Client *c;

227 XEvent ev;

228

229 if(!sel) {

230 drawstatus();

231 return;

232 }

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

234 XRaiseWindow(dpy, sel->win);

235 XRaiseWindow(dpy, sel->twin);

236 }

237 if(arrange != dofloat) {

238 if(!sel->isfloat) {

239 XLowerWindow(dpy, sel->twin);

240 XLowerWindow(dpy, sel->win);

241 }

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

243 if(c == sel)

244 continue;

245 XLowerWindow(dpy, c->twin);

246 XLowerWindow(dpy, c->win);

247 }

248 }

249 drawall();

250 XSync(dpy, False);

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

252 }

253

254 void

255 togglefloat(Arg *arg) {

256 if (!sel || arrange == dofloat)

257 return;

258 sel->isfloat = !sel->isfloat;

259 arrange();

260 }

261

262 void

263 togglemode(Arg *arg) {

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

265 if(sel)

266 arrange();

267 else

268 drawstatus();

269 }

270

271 void

272 toggleview(Arg *arg) {

273 unsigned int i;

274

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

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

277 if(i == ntags)

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

279 arrange();

280 }

281

282 void

283 view(Arg *arg) {

284 unsigned int i;

285

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

287 seltag[i] = (arg->i == -1) ? True : False;

288 if(arg->i >= 0 && arg->i < ntags)

289 seltag[arg->i] = True;

290 arrange();

291 }

292

293 void

294 zoom(Arg *arg) {

295 unsigned int n;

296 Client *c;

297

298 if(!sel)

299 return;

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

301 togglemax(sel);

302 return;

303 }

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

305 n++;

306

307 c = sel;

308 if(n <= nmaster || (arrange == dofloat))

309 pop(c);

310 else if(ismaster(sel)) {

311 if(!(c = topofstack()))

312 return;

313 swap(c, sel);

314 c = sel;

315 }

316 else

317 pop(c);

318

319 focus(c);

320 arrange();

321 }