aewl: 3a708f113f55 client.c

aewl

view client.c @ 104:3a708f113f55

implemented fallback for too many clients in stacked mode

author	arg@10ksloc.org
date	Wed, 19 Jul 2006 13:36:04 +0200
parents	130d49140341
children	3e74cc981e9b

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 #include <stdlib.h>

8 #include <string.h>

9 #include <X11/Xatom.h>

10 #include <X11/Xutil.h>

12 /* static functions */

14 static void

15 resizetitle(Client *c)

16 {

17 int i;

19 c->bw = 0;

20 for(i = 0; i < TLast; i++)

21 if(c->tags[i])

22 c->bw += textw(c->tags[i]);

23 c->bw += textw(c->name);

24 if(c->bw > *c->w)

25 c->bw = *c->w + 2;

26 c->bx = *c->x + *c->w - c->bw + 2;

27 c->by = *c->y;

28 XMoveResizeWindow(dpy, c->title, c->bx, c->by, c->bw, c->bh);

29 }

31 static int

32 xerrordummy(Display *dsply, XErrorEvent *ee)

33 {

34 return 0;

35 }

37 /* extern functions */

39 void

40 ban(Client *c)

41 {

42 XMoveWindow(dpy, c->win, *c->x + 2 * sw, *c->y);

43 XMoveWindow(dpy, c->title, c->bx + 2 * sw, c->by);

44 }

46 void

47 focus(Client *c)

48 {

49 Client *old = sel;

50 XEvent ev;

52 sel = c;

53 if(old && old != c)

54 drawtitle(old);

55 drawtitle(c);

56 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);

57 XSync(dpy, False);

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

59 }

61 void

62 focusnext(Arg *arg)

63 {

64 Client *c;

66 if(!sel)

67 return;

69 if(!(c = getnext(sel->next, tsel)))

70 c = getnext(clients, tsel);

71 if(c) {

72 higher(c);

73 c->revert = sel;

74 focus(c);

75 }

76 }

78 void

79 focusprev(Arg *arg)

80 {

81 Client *c;

83 if(!sel)

84 return;

86 if((c = sel->revert && sel->revert->tags[tsel] ? sel->revert : NULL)) {

87 higher(c);

88 focus(c);

89 }

90 }

92 Client *

93 getclient(Window w)

94 {

95 Client *c;

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

97 if(c->win == w)

98 return c;

99 return NULL;

100 }

101

102 Client *

103 getctitle(Window w)

104 {

105 Client *c;

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

107 if(c->title == w)

108 return c;

109 return NULL;

110 }

111

112 void

113 gravitate(Client *c, Bool invert)

114 {

115 int dx = 0, dy = 0;

116

117 switch(c->grav) {

118 case StaticGravity:

119 case NorthWestGravity:

120 case NorthGravity:

121 case NorthEastGravity:

122 dy = c->border;

123 break;

124 case EastGravity:

125 case CenterGravity:

126 case WestGravity:

127 dy = -(*c->h / 2) + c->border;

128 break;

129 case SouthEastGravity:

130 case SouthGravity:

131 case SouthWestGravity:

132 dy = -(*c->h);

133 break;

134 default:

135 break;

136 }

137

138 switch (c->grav) {

139 case StaticGravity:

140 case NorthWestGravity:

141 case WestGravity:

142 case SouthWestGravity:

143 dx = c->border;

144 break;

145 case NorthGravity:

146 case CenterGravity:

147 case SouthGravity:

148 dx = -(*c->w / 2) + c->border;

149 break;

150 case NorthEastGravity:

151 case EastGravity:

152 case SouthEastGravity:

153 dx = -(*c->w + c->border);

154 break;

155 default:

156 break;

157 }

158

159 if(invert) {

160 dx = -dx;

161 dy = -dy;

162 }

163 *c->x += dx;

164 *c->y += dy;

165 }

166

167 void

168 higher(Client *c)

169 {

170 XRaiseWindow(dpy, c->win);

171 XRaiseWindow(dpy, c->title);

172 }

173

174 void

175 killclient(Arg *arg)

176 {

177 if(!sel)

178 return;

179 if(sel->proto & WM_PROTOCOL_DELWIN)

180 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);

181 else

182 XKillClient(dpy, sel->win);

183 }

184

185 void

186 lower(Client *c)

187 {

188 XLowerWindow(dpy, c->title);

189 XLowerWindow(dpy, c->win);

190 }

191

192 void

193 manage(Window w, XWindowAttributes *wa)

194 {

195 int diff;

196 Client *c;

197 XSetWindowAttributes twa;

198 Window trans;

199

200 c = emallocz(sizeof(Client));

201 c->win = w;

202 c->bx = c->fx = c->tx = wa->x;

203 c->by = c->fy = c->ty = wa->y;

204 c->bw = c->fw = c->tw = wa->width;

205 c->fh = c->th = wa->height;

206 c->bh = bh;

207

208 diff = sw - c->fw;

209 c->fx = random() % (diff ? diff : 1);

210 diff = sh - c->fh - bh;

211 c->fy = random() % (diff ? diff : 1);

212

213 if(c->fy < bh)

214 c->by = c->fy = c->ty = bh;

215

216 c->border = 1;

217 c->proto = getproto(c->win);

218 setsize(c);

219 XSelectInput(dpy, c->win,

220 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

221 XGetTransientForHint(dpy, c->win, &trans);

222 twa.override_redirect = 1;

223 twa.background_pixmap = ParentRelative;

224 twa.event_mask = ExposureMask;

225

226 c->title = XCreateWindow(dpy, root, c->bx, c->by, c->bw, c->bh,

227 0, DefaultDepth(dpy, screen), CopyFromParent,

228 DefaultVisual(dpy, screen),

229 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

230

231 settags(c);

232

233 c->next = clients;

234 clients = c;

235

236 XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,

237 GrabModeAsync, GrabModeSync, None, None);

238 XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,

239 GrabModeAsync, GrabModeSync, None, None);

240 XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,

241 GrabModeAsync, GrabModeSync, None, None);

242 XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,

243 GrabModeAsync, GrabModeSync, None, None);

244

245 if(!c->isfloat)

246 c->isfloat = trans

247 || ((c->maxw == c->minw) && (c->maxh == c->minh));

248

249 setgeom(c);

250 settitle(c);

251

252 arrange(NULL);

253

254 /* mapping the window now prevents flicker */

255 if(c->tags[tsel]) {

256 XMapRaised(dpy, c->win);

257 XMapRaised(dpy, c->title);

258 focus(c);

259 }

260 else {

261 ban(c);

262 XMapRaised(dpy, c->win);

263 XMapRaised(dpy, c->title);

264 XSync(dpy, False);

265 }

266 }

267

268 void

269 maximize(Arg *arg)

270 {

271 if(!sel)

272 return;

273 *sel->x = sx;

274 *sel->y = sy + bh;

275 *sel->w = sw - 2 * sel->border;

276 *sel->h = sh - 2 * sel->border - bh;

277 higher(sel);

278 resize(sel, False, TopLeft);

279 }

280

281 void

282 pop(Client *c)

283 {

284 Client **l;

285 for(l = &clients; *l && *l != c; l = &(*l)->next);

286 *l = c->next;

287

288 c->next = clients; /* pop */

289 clients = c;

290 arrange(NULL);

291 }

292

293 void

294 resize(Client *c, Bool inc, Corner sticky)

295 {

296 XConfigureEvent e;

297 int right = *c->x + *c->w;

298 int bottom = *c->y + *c->h;

299

300 if(inc) {

301 if(c->incw)

302 *c->w -= (*c->w - c->basew) % c->incw;

303 if(c->inch)

304 *c->h -= (*c->h - c->baseh) % c->inch;

305 }

306 if(*c->x > sw) /* might happen on restart */

307 *c->x = sw - *c->w;

308 if(*c->y > sh)

309 *c->y = sh - *c->h;

310 if(c->minw && *c->w < c->minw)

311 *c->w = c->minw;

312 if(c->minh && *c->h < c->minh)

313 *c->h = c->minh;

314 if(c->maxw && *c->w > c->maxw)

315 *c->w = c->maxw;

316 if(c->maxh && *c->h > c->maxh)

317 *c->h = c->maxh;

318 if(sticky == TopRight || sticky == BottomRight)

319 *c->x = right - *c->w;

320 if(sticky == BottomLeft || sticky == BottomRight)

321 *c->y = bottom - *c->h;

322 resizetitle(c);

323 XSetWindowBorderWidth(dpy, c->win, 1);

324 XMoveResizeWindow(dpy, c->win, *c->x, *c->y, *c->w, *c->h);

325 e.type = ConfigureNotify;

326 e.event = c->win;

327 e.window = c->win;

328 e.x = *c->x;

329 e.y = *c->y;

330 e.width = *c->w;

331 e.height = *c->h;

332 e.border_width = c->border;

333 e.above = None;

334 e.override_redirect = False;

335 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);

336 XSync(dpy, False);

337 }

338

339 void

340 setgeom(Client *c)

341 {

342 if((arrange == dotile) && !c->isfloat) {

343 c->x = &c->tx;

344 c->y = &c->ty;

345 c->w = &c->tw;

346 c->h = &c->th;

347 }

348 else {

349 c->x = &c->fx;

350 c->y = &c->fy;

351 c->w = &c->fw;

352 c->h = &c->fh;

353 }

354 }

355

356 void

357 setsize(Client *c)

358 {

359 XSizeHints size;

360 long msize;

361 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)

362 size.flags = PSize;

363 c->flags = size.flags;

364 if(c->flags & PBaseSize) {

365 c->basew = size.base_width;

366 c->baseh = size.base_height;

367 }

368 else

369 c->basew = c->baseh = 0;

370 if(c->flags & PResizeInc) {

371 c->incw = size.width_inc;

372 c->inch = size.height_inc;

373 }

374 else

375 c->incw = c->inch = 0;

376 if(c->flags & PMaxSize) {

377 c->maxw = size.max_width;

378 c->maxh = size.max_height;

379 }

380 else

381 c->maxw = c->maxh = 0;

382 if(c->flags & PMinSize) {

383 c->minw = size.min_width;

384 c->minh = size.min_height;

385 }

386 else

387 c->minw = c->minh = 0;

388 if(c->flags & PWinGravity)

389 c->grav = size.win_gravity;

390 else

391 c->grav = NorthWestGravity;

392 }

393

394 void

395 settitle(Client *c)

396 {

397 XTextProperty name;

398 int n;

399 char **list = NULL;

400

401 name.nitems = 0;

402 c->name[0] = 0;

403 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);

404 if(!name.nitems)

405 XGetWMName(dpy, c->win, &name);

406 if(!name.nitems)

407 return;

408 if(name.encoding == XA_STRING)

409 strncpy(c->name, (char *)name.value, sizeof(c->name));

410 else {

411 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success

412 && n > 0 && *list)

413 {

414 strncpy(c->name, *list, sizeof(c->name));

415 XFreeStringList(list);

416 }

417 }

418 XFree(name.value);

419 resizetitle(c);

420 }

421

422 void

423 unmanage(Client *c)

424 {

425 Client **l;

426

427 XGrabServer(dpy);

428 XSetErrorHandler(xerrordummy);

429

430 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);

431 XDestroyWindow(dpy, c->title);

432

433 for(l = &clients; *l && *l != c; l = &(*l)->next);

434 *l = c->next;

435 for(l = &clients; *l; l = &(*l)->next)

436 if((*l)->revert == c)

437 (*l)->revert = NULL;

438 if(sel == c)

439 sel = sel->revert ? sel->revert : clients;

440

441 free(c);

442

443 XSync(dpy, False);

444 XSetErrorHandler(xerror);

445 XUngrabServer(dpy);

446 arrange(NULL);

447 if(sel)

448 focus(sel);

449 }

450

451 void

452 zoom(Arg *arg)

453 {

454 Client *c;

455

456 if(!sel)

457 return;

458

459 if(sel == getnext(clients, tsel) && sel->next) {

460 if((c = getnext(sel->next, tsel)))

461 sel = c;

462 }

463

464 pop(sel);

465 focus(sel);

466 }