aewl: 4aa632b6ba66 tag.c

aewl

view tag.c @ 292:4aa632b6ba66

changed main event loop

author	Anselm R.Garbe <arg@10ksloc.org>
date	Tue, 15 Aug 2006 07:31:42 +0200
parents	5e5e5392c7cb
children	71f02d14dce1

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 <regex.h>

7 #include <stdio.h>

8 #include <stdlib.h>

9 #include <string.h>

10 #include <sys/types.h>

11 #include <X11/Xutil.h>

14 typedef struct {

15 const char *clpattern;

16 const char *tpattern;

17 Bool isfloat;

18 } Rule;

20 typedef struct {

21 regex_t *clregex;

22 regex_t *tregex;

23 } RReg;

25 /* static */

27 TAGS

28 RULES

30 static RReg *rreg = NULL;

31 static unsigned int len = 0;

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

35 /* extern */

37 void

38 dofloat(Arg *arg)

39 {

40 Client *c;

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

43 c->ismax = False;

44 if(isvisible(c)) {

45 resize(c, True, TopLeft);

46 }

47 else

48 ban(c);

49 }

50 if(!sel || !isvisible(sel))

51 sel = getnext(clients);

52 if(sel) {

53 focus(sel);

54 restack();

55 }

56 else

57 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);

58 }

60 void

61 dotile(Arg *arg)

62 {

63 int h, i, n, w;

64 Client *c;

66 w = sw - mw;

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

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

69 n++;

71 if(n > 1)

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

73 else

74 h = sh - bh;

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

77 c->ismax = False;

78 if(isvisible(c)) {

79 if(c->isfloat) {

80 resize(c, True, TopLeft);

81 continue;

82 }

83 if(n == 1) {

84 c->x = sx;

85 c->y = sy + bh;

86 c->w = sw - 2;

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

88 }

89 else if(i == 0) {

90 c->x = sx;

91 c->y = sy + bh;

92 c->w = mw - 2;

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

94 }

95 else if(h > bh) {

96 c->x = sx + mw;

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

98 c->w = w - 2;

99 if(i + 1 == n)

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

101 else

102 c->h = h - 2;

103 }

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

105 c->x = sx + mw;

106 c->y = sy + bh;

107 c->w = w - 2;

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

109 }

110 resize(c, False, TopLeft);

111 i++;

112 }

113 else

114 ban(c);

115 }

116 if(!sel || !isvisible(sel))

117 sel = getnext(clients);

118 if(sel)

119 focus(sel);

120 else

121 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);

122 restack();

123 }

124

125 Client *

126 getnext(Client *c)

127 {

128 for(; c && !isvisible(c); c = c->next);

129 return c;

130 }

131

132 Client *

133 getprev(Client *c)

134 {

135 for(; c && !isvisible(c); c = c->prev);

136 return c;

137 }

138

139 void

140 initrregs()

141 {

142 unsigned int i;

143 regex_t *reg;

144

145 if(rreg)

146 return;

147 len = sizeof(rule) / sizeof(rule[0]);

148 rreg = emallocz(len * sizeof(RReg));

149

150 for(i = 0; i < len; i++) {

151 if(rule[i].clpattern) {

152 reg = emallocz(sizeof(regex_t));

153 if(regcomp(reg, rule[i].clpattern, 0))

154 free(reg);

155 else

156 rreg[i].clregex = reg;

157 }

158 if(rule[i].tpattern) {

159 reg = emallocz(sizeof(regex_t));

160 if(regcomp(reg, rule[i].tpattern, 0))

161 free(reg);

162 else

163 rreg[i].tregex = reg;

164 }

165 }

166 }

167

168 Bool

169 isvisible(Client *c)

170 {

171 unsigned int i;

172

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

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

175 return True;

176 return False;

177 }

178

179 void

180 restack()

181 {

182 static unsigned int nwins = 0;

183 static Window *wins = NULL;

184 unsigned int f, fi, m, mi, n;

185 Client *c;

186 XEvent ev;

187

188 for(f = 0, m = 0, c = clients; c; c = c->next)

189 if(isvisible(c)) {

190 if(c->isfloat || arrange == dofloat)

191 f++;

192 else

193 m++;

194 }

195 if(!(n = 2 * (f + m))) {

196 drawstatus();

197 return;

198 }

199 if(nwins < n) {

200 nwins = n;

201 wins = erealloc(wins, nwins * sizeof(Window));

202 }

203

204 fi = 0;

205 mi = 2 * f;

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

207 wins[fi++] = sel->title;

208 wins[fi++] = sel->win;

209 }

210 else {

211 wins[mi++] = sel->title;

212 wins[mi++] = sel->win;

213 }

214 for(c = clients; c; c = c->next)

215 if(isvisible(c) && c != sel) {

216 if(c->isfloat || arrange == dofloat) {

217 wins[fi++] = c->title;

218 wins[fi++] = c->win;

219 }

220 else {

221 wins[mi++] = c->title;

222 wins[mi++] = c->win;

223 }

224 }

225 XRestackWindows(dpy, wins, n);

226 drawall();

227 XSync(dpy, False);

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

229 }

230

231 void

232 settags(Client *c)

233 {

234 char classinst[256];

235 unsigned int i, j;

236 regmatch_t tmp;

237 Bool matched = False;

238 XClassHint ch;

239

240 if(XGetClassHint(dpy, c->win, &ch)) {

241 snprintf(classinst, sizeof(classinst), "%s:%s",

242 ch.res_class ? ch.res_class : "",

243 ch.res_name ? ch.res_name : "");

244 for(i = 0; !matched && i < len; i++)

245 if(rreg[i].clregex && !regexec(rreg[i].clregex, classinst, 1, &tmp, 0)) {

246 c->isfloat = rule[i].isfloat;

247 for(j = 0; rreg[i].tregex && j < ntags; j++) {

248 if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {

249 matched = True;

250 c->tags[j] = True;

251 }

252 }

253 }

254 if(ch.res_class)

255 XFree(ch.res_class);

256 if(ch.res_name)

257 XFree(ch.res_name);

258 }

259 if(!matched)

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

261 c->tags[i] = seltag[i];

262 }

263

264 void

265 tag(Arg *arg)

266 {

267 unsigned int i;

268

269 if(!sel)

270 return;

271

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

273 sel->tags[i] = False;

274 sel->tags[arg->i] = True;

275 settitle(sel);

276 if(!isvisible(sel))

277 arrange(NULL);

278 }

279

280 void

281 togglemode(Arg *arg)

282 {

283 arrange = arrange == dofloat ? dotile : dofloat;

284 arrange(NULL);

285 }

286

287 void

288 toggletag(Arg *arg)

289 {

290 unsigned int i;

291

292 if(!sel)

293 return;

294

295 sel->tags[arg->i] = !sel->tags[arg->i];

296 for(i = 0; i < ntags && !sel->tags[i]; i++);

297 if(i == ntags)

298 sel->tags[arg->i] = True;

299 settitle(sel);

300 if(!isvisible(sel))

301 arrange(NULL);

302 }

303

304

305 void

306 toggleview(Arg *arg)

307 {

308 unsigned int i;

309

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

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

312 if(i == ntags)

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

314 arrange(NULL);

315 }

316

317 void

318 view(Arg *arg)

319 {

320 unsigned int i;

321

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

323 seltag[i] = False;

324 seltag[arg->i] = True;

325 arrange(NULL);

326 }