aewl: b3659c3c5dab view.c

aewl

view view.c @ 436:b3659c3c5dab

sanders solution is convincing and elegant

author	Anselm R. Garbe <arg@10kloc.org>
date	Wed, 06 Sep 2006 11:54:16 +0200
parents	a6b8994af164
children	433a5c662f73

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"

6 #include <stdio.h>

8 /* static */

10 static Client *

11 minclient()

12 {

13 Client *c, *min;

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

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

17 min = c;

18 return min;

19 }

22 static void

23 reorder()

24 {

25 Client *c, *newclients, *tail;

27 newclients = tail = NULL;

28 while((c = minclient())) {

29 detach(c);

30 if(tail) {

31 c->prev = tail;

32 tail->next = c;

33 tail = c;

34 }

35 else

36 tail = newclients = c;

37 }

38 clients = newclients;

39 }

41 static Client *

42 nexttiled(Client *c)

43 {

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

45 return c;

46 }

48 /* extern */

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

52 void

53 detach(Client *c)

54 {

55 if(c->prev)

56 c->prev->next = c->next;

57 if(c->next)

58 c->next->prev = c->prev;

59 if(c == clients)

60 clients = c->next;

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

62 }

64 void

65 dofloat(Arg *arg)

66 {

67 Client *c;

69 maximized = False;

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

72 if(isvisible(c)) {

73 resize(c, True, TopLeft);

74 }

75 else

76 ban(c);

77 }

78 if(!sel || !isvisible(sel))

79 focus(getnext(clients));

80 restack();

81 }

83 void

84 dotile(Arg *arg)

85 {

86 int h, i, n, w;

87 Client *c;

89 maximized = False;

91 w = sw - mw;

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

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

94 n++;

96 if(n > 1)

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

98 else

99 h = sh - bh;

100

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

102 if(isvisible(c)) {

103 if(c->isfloat) {

104 resize(c, True, TopLeft);

105 continue;

106 }

107 if(n == 1) {

108 c->x = sx;

109 c->y = sy + bh;

110 c->w = sw - 2;

111 c->h = sh - 2 - bh;

112 }

113 else if(i == 0) {

114 c->x = sx;

115 c->y = sy + bh;

116 c->w = mw - 2;

117 c->h = sh - 2 - bh;

118 }

119 else if(h > bh) {

120 c->x = sx + mw;

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

122 c->w = w - 2;

123 if(i + 1 == n)

124 c->h = sh - c->y - 2;

125 else

126 c->h = h - 2;

127 }

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

129 c->x = sx + mw;

130 c->y = sy + bh;

131 c->w = w - 2;

132 c->h = sh - 2 - bh;

133 }

134 resize(c, False, TopLeft);

135 i++;

136 }

137 else

138 ban(c);

139 }

140 if(!sel || !isvisible(sel))

141 focus(getnext(clients));

142 restack();

143 }

144

145 void

146 focusnext(Arg *arg)

147 {

148 Client *c;

149

150 if(!sel)

151 return;

152

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

154 c = getnext(clients);

155 if(c) {

156 focus(c);

157 restack();

158 }

159 }

160

161 void

162 focusprev(Arg *arg)

163 {

164 Client *c;

165

166 if(!sel)

167 return;

168

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

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

171 c = getprev(c);

172 }

173 if(c) {

174 focus(c);

175 restack();

176 }

177 }

178

179 Bool

180 isvisible(Client *c)

181 {

182 unsigned int i;

183

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

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

186 return True;

187 return False;

188 }

189

190 void

191 resizecol(Arg *arg)

192 {

193 unsigned int n;

194 Client *c;

195

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

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

198 n++;

199 if(!sel || sel->isfloat || n < 2 || (arrange != dotile) || maximized)

200 return;

201

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

203 if(mw + arg->i > sw - 100 || mw + arg->i < 100)

204 return;

205 mw += arg->i;

206 }

207 else {

208 if(mw - arg->i > sw - 100 || mw - arg->i < 100)

209 return;

210 mw -= arg->i;

211 }

212 arrange(NULL);

213 }

214

215 void

216 restack()

217 {

218 Client *c;

219 XEvent ev;

220

221 if(!sel)

222 return;

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

224 XRaiseWindow(dpy, sel->win);

225 XRaiseWindow(dpy, sel->twin);

226 }

227 if(arrange != dofloat)

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

229 XLowerWindow(dpy, c->twin);

230 XLowerWindow(dpy, c->win);

231 }

232 drawall();

233 XSync(dpy, False);

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

235 }

236

237 void

238 togglemode(Arg *arg)

239 {

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

241 if(sel)

242 arrange(NULL);

243 else

244 drawstatus();

245 }

246

247 void

248 toggleview(Arg *arg)

249 {

250 unsigned int i;

251

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

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

254 if(i == ntags)

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

256 reorder();

257 arrange(NULL);

258 }

259

260 void

261 view(Arg *arg)

262 {

263 unsigned int i;

264

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

266 seltag[i] = False;

267 seltag[arg->i] = True;

268 reorder();

269 arrange(NULL);

270 }

271

272 void

273 viewall(Arg *arg)

274 {

275 unsigned int i;

276

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

278 seltag[i] = True;

279 reorder();

280 arrange(NULL);

281 }

282

283 void

284 zoom(Arg *arg)

285 {

286 unsigned int n;

287 Client *c;

288

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

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

291 n++;

292 if(!sel || sel->isfloat || n < 2 || (arrange != dotile) || maximized)

293 return;

294

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

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

297 return;

298 detach(c);

299 c->next = clients;

300 clients->prev = c;

301 clients = c;

302 focus(c);

303 arrange(NULL);

304 }