aewl: a64602deac83 client.c

aewl

view client.c @ 54:a64602deac83

except improvements to the mouse handling this is already nearly feature complete

author	Anselm R. Garbe <garbeam@wmii.de>
date	Thu, 13 Jul 2006 21:49:55 +0200
parents	529901e6a227
children	fcbf7213d96f

line source

1 /*

2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>

3 * See LICENSE file for license details.

4 */

6 #include <stdlib.h>

7 #include <stdio.h>

8 #include <string.h>

9 #include <X11/Xatom.h>

10 #include <X11/Xutil.h>

12 #include "dwm.h"

14 void (*arrange)(Arg *) = tiling;

16 static Rule rule[] = {

17 /* class instance tags floating */

18 { "Firefox-bin", "Gecko", { [Twww] = "www" }, False },

19 };

21 static Client *

22 next(Client *c)

23 {

24 for(; c && !c->tags[tsel]; c = c->next);

25 return c;

26 }

28 void

29 zoom(Arg *arg)

30 {

31 Client **l, *old;

33 if(!(old = sel))

34 return;

36 for(l = &clients; *l && *l != sel; l = &(*l)->next);

37 *l = sel->next;

39 old->next = clients; /* pop */

40 clients = old;

41 sel = old;

42 arrange(NULL);

43 focus(sel);

44 }

46 void

47 max(Arg *arg)

48 {

49 if(!sel)

50 return;

51 sel->x = sx;

52 sel->y = sy;

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

54 sel->h = sh - 2 * sel->border;

55 craise(sel);

56 resize(sel, False);

57 discard_events(EnterWindowMask);

58 }

60 void

61 view(Arg *arg)

62 {

63 Client *c;

65 tsel = arg->i;

66 arrange(NULL);

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

69 draw_client(c);

70 }

72 void

73 tappend(Arg *arg)

74 {

75 if(!sel)

76 return;

78 sel->tags[arg->i] = tags[arg->i];

79 arrange(NULL);

80 }

82 void

83 ttrunc(Arg *arg)

84 {

85 int i;

86 if(!sel)

87 return;

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

90 sel->tags[i] = NULL;

91 tappend(arg);

92 }

94 static void

95 ban_client(Client *c)

96 {

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

98 XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);

99 }

100

101 void

102 floating(Arg *arg)

103 {

104 Client *c;

105

106 arrange = floating;

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

108 if(c->tags[tsel])

109 resize(c, True);

110 else

111 ban_client(c);

112 }

113 if(sel && !sel->tags[tsel]) {

114 if((sel = next(clients))) {

115 craise(sel);

116 focus(sel);

117 }

118 }

119 discard_events(EnterWindowMask);

120 }

121

122 void

123 tiling(Arg *arg)

124 {

125 Client *c;

126 int n, i, w, h;

127

128 w = sw - mw;

129 arrange = tiling;

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

131 if(c->tags[tsel] && !c->floating)

132 n++;

133

134 h = (n > 1) ? sh / (n - 1) : sh;

135

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

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

138 if(c->floating) {

139 craise(c);

140 resize(c, True);

141 continue;

142 }

143 if(n == 1) {

144 c->x = sx;

145 c->y = sy;

146 c->w = sw - 2 * c->border;

147 c->h = sh - 2 * c->border;

148 }

149 else if(i == 0) {

150 c->x = sx;

151 c->y = sy;

152 c->w = mw - 2 * c->border;

153 c->h = sh - 2 * c->border;

154 }

155 else {

156 c->x = sx + mw;

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

158 c->w = w - 2 * c->border;

159 c->h = h - 2 * c->border;

160 }

161 resize(c, False);

162 i++;

163 }

164 else

165 ban_client(c);

166 }

167 if(sel && !sel->tags[tsel]) {

168 if((sel = next(clients))) {

169 craise(sel);

170 focus(sel);

171 }

172 }

173 discard_events(EnterWindowMask);

174 }

175

176 void

177 prevc(Arg *arg)

178 {

179 Client *c;

180

181 if(!sel)

182 return;

183

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

185 craise(c);

186 focus(c);

187 }

188 }

189

190 void

191 nextc(Arg *arg)

192 {

193 Client *c;

194

195 if(!sel)

196 return;

197

198 if(!(c = next(sel->next)))

199 c = next(clients);

200 if(c) {

201 craise(c);

202 c->revert = sel;

203 focus(c);

204 }

205 }

206

207 void

208 ckill(Arg *arg)

209 {

210 if(!sel)

211 return;

212 if(sel->proto & WM_PROTOCOL_DELWIN)

213 send_message(sel->win, wm_atom[WMProtocols], wm_atom[WMDelete]);

214 else

215 XKillClient(dpy, sel->win);

216 }

217

218 static void

219 resize_title(Client *c)

220 {

221 int i;

222

223 c->tw = 0;

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

225 if(c->tags[i])

226 c->tw += textw(c->tags[i]) + dc.font.height;

227 c->tw += textw(c->name) + dc.font.height;

228 if(c->tw > c->w)

229 c->tw = c->w + 2;

230 c->tx = c->x + c->w - c->tw + 2;

231 c->ty = c->y;

232 XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);

233 }

234

235 void

236 update_name(Client *c)

237 {

238 XTextProperty name;

239 int n;

240 char **list = NULL;

241

242 name.nitems = 0;

243 c->name[0] = 0;

244 XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);

245 if(!name.nitems)

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

247 if(!name.nitems)

248 return;

249 if(name.encoding == XA_STRING)

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

251 else {

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

253 && n > 0 && *list)

254 {

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

256 XFreeStringList(list);

257 }

258 }

259 XFree(name.value);

260 resize_title(c);

261 }

262

263 void

264 update_size(Client *c)

265 {

266 XSizeHints size;

267 long msize;

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

269 size.flags = PSize;

270 c->flags = size.flags;

271 if(c->flags & PBaseSize) {

272 c->basew = size.base_width;

273 c->baseh = size.base_height;

274 }

275 else

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

277 if(c->flags & PResizeInc) {

278 c->incw = size.width_inc;

279 c->inch = size.height_inc;

280 }

281 else

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

283 if(c->flags & PMaxSize) {

284 c->maxw = size.max_width;

285 c->maxh = size.max_height;

286 }

287 else

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

289 if(c->flags & PMinSize) {

290 c->minw = size.min_width;

291 c->minh = size.min_height;

292 }

293 else

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

295 if(c->flags & PWinGravity)

296 c->grav = size.win_gravity;

297 else

298 c->grav = NorthWestGravity;

299 }

300

301 void

302 craise(Client *c)

303 {

304 XRaiseWindow(dpy, c->win);

305 XRaiseWindow(dpy, c->title);

306 }

307

308 void

309 lower(Client *c)

310 {

311 XLowerWindow(dpy, c->title);

312 XLowerWindow(dpy, c->win);

313 }

314

315 void

316 focus(Client *c)

317 {

318 Client *old = sel;

319

320 sel = c;

321 if(old && old != c)

322 draw_client(old);

323 draw_client(c);

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

325 XFlush(dpy);

326 discard_events(EnterWindowMask);

327 }

328

329 static void

330 init_tags(Client *c)

331 {

332 XClassHint ch;

333 static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;

334 unsigned int i, j;

335 Bool matched = False;

336

337 if(!len) {

338 c->tags[tsel] = tags[tsel];

339 return;

340 }

341

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

343 if(ch.res_class && ch.res_name) {

344 for(i = 0; i < len; i++)

345 if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))

346 && !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))

347 {

348 for(j = 0; j < TLast; j++)

349 c->tags[j] = rule[i].tags[j];

350 c->floating = rule[i].floating;

351 matched = True;

352 break;

353 }

354 }

355 if(ch.res_class)

356 XFree(ch.res_class);

357 if(ch.res_name)

358 XFree(ch.res_name);

359 }

360

361 if(!matched)

362 c->tags[tsel] = tags[tsel];

363 }

364

365 void

366 manage(Window w, XWindowAttributes *wa)

367 {

368 Client *c, **l;

369 XSetWindowAttributes twa;

370 Window trans;

371

372 c = emallocz(sizeof(Client));

373 c->win = w;

374 c->tx = c->x = wa->x;

375 c->ty = c->y = wa->y;

376 c->tw = c->w = wa->width;

377 c->h = wa->height;

378 c->th = th;

379 c->border = 1;

380 c->proto = win_proto(c->win);

381 update_size(c);

382 XSelectInput(dpy, c->win,

383 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

385 twa.override_redirect = 1;

386 twa.background_pixmap = ParentRelative;

387 twa.event_mask = ExposureMask;

388

389 c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,

390 0, DefaultDepth(dpy, screen), CopyFromParent,

391 DefaultVisual(dpy, screen),

392 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

393

394 update_name(c);

395 init_tags(c);

396

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

398 c->next = *l; /* *l == nil */

399 *l = c;

400

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

402 XMapRaised(dpy, c->win);

403 XMapRaised(dpy, c->title);

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

405 GrabModeAsync, GrabModeSync, None, None);

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

407 GrabModeAsync, GrabModeSync, None, None);

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

409 GrabModeAsync, GrabModeSync, None, None);

410

411 if(!c->floating)

412 c->floating = trans

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

414

415 arrange(NULL);

416 if(c->tags[tsel])

417 focus(c);

418 else

419 ban_client(c);

420 }

421

422 void

423 gravitate(Client *c, Bool invert)

424 {

425 int dx = 0, dy = 0;

426

427 switch(c->grav) {

428 case StaticGravity:

429 case NorthWestGravity:

430 case NorthGravity:

431 case NorthEastGravity:

432 dy = c->border;

433 break;

434 case EastGravity:

435 case CenterGravity:

436 case WestGravity:

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

438 break;

439 case SouthEastGravity:

440 case SouthGravity:

441 case SouthWestGravity:

442 dy = -c->h;

443 break;

444 default:

445 break;

446 }

447

448 switch (c->grav) {

449 case StaticGravity:

450 case NorthWestGravity:

451 case WestGravity:

452 case SouthWestGravity:

453 dx = c->border;

454 break;

455 case NorthGravity:

456 case CenterGravity:

457 case SouthGravity:

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

459 break;

460 case NorthEastGravity:

461 case EastGravity:

462 case SouthEastGravity:

463 dx = -(c->w + c->border);

464 break;

465 default:

466 break;

467 }

468

469 if(invert) {

470 dx = -dx;

471 dy = -dy;

472 }

473 c->x += dx;

474 c->y += dy;

475 }

476

477

478 void

479 resize(Client *c, Bool inc)

480 {

481 XConfigureEvent e;

482

483 if(inc) {

484 if(c->incw)

485 c->w -= (c->w - c->basew) % c->incw;

486 if(c->inch)

487 c->h -= (c->h - c->baseh) % c->inch;

488 }

489 if(c->minw && c->w < c->minw)

490 c->w = c->minw;

491 if(c->minh && c->h < c->minh)

492 c->h = c->minh;

493 if(c->maxw && c->w > c->maxw)

494 c->w = c->maxw;

495 if(c->maxh && c->h > c->maxh)

496 c->h = c->maxh;

497 resize_title(c);

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

499 e.type = ConfigureNotify;

500 e.event = c->win;

501 e.window = c->win;

502 e.x = c->x;

503 e.y = c->y;

504 e.width = c->w;

505 e.height = c->h;

506 e.border_width = c->border;

507 e.above = None;

508 e.override_redirect = False;

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

510 XFlush(dpy);

511 }

512

513 static int

514 dummy_error_handler(Display *dsply, XErrorEvent *err)

515 {

516 return 0;

517 }

518

519 void

520 unmanage(Client *c)

521 {

522 Client **l;

523

524 XGrabServer(dpy);

525 XSetErrorHandler(dummy_error_handler);

526

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

528 XDestroyWindow(dpy, c->title);

529

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

531 *l = c->next;

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

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

534 (*l)->revert = NULL;

535 if(sel == c)

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

537

538 free(c);

539

540 XFlush(dpy);

541 XSetErrorHandler(error_handler);

542 XUngrabServer(dpy);

543 arrange(NULL);

544 if(sel)

545 focus(sel);

546 }

547

548 Client *

549 gettitle(Window w)

550 {

551 Client *c;

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

553 if(c->title == w)

554 return c;

555 return NULL;

556 }

557

558 Client *

559 getclient(Window w)

560 {

561 Client *c;

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

563 if(c->win == w)

564 return c;

565 return NULL;

566 }

567

568 void

569 draw_client(Client *c)

570 {

571 int i;

572 if(c == sel) {

573 XUnmapWindow(dpy, c->title);

574 XSetWindowBorder(dpy, c->win, dc.fg);

575 return;

576 }

577

578 XSetWindowBorder(dpy, c->win, dc.bg);

579 XMapWindow(dpy, c->title);

580

581 dc.x = dc.y = 0;

582 dc.h = c->th;

583

584 dc.w = 0;

585 for(i = 0; i < TLast; i++) {

586 if(c->tags[i]) {

587 dc.x += dc.w;

588 dc.w = textw(c->tags[i]) + dc.font.height;

589 draw(True, c->tags[i]);

590 }

591 }

592 dc.x += dc.w;

593 dc.w = textw(c->name) + dc.font.height;

594 draw(True, c->name);

595 XCopyArea(dpy, dc.drawable, c->title, dc.gc,

596 0, 0, c->tw, c->th, 0, 0);

597 XFlush(dpy);

598 }