aewl: f14858218641 client.c

aewl

view client.c @ 63:f14858218641

searching for a better way to discard enter notifies

author	Anselm R. Garbe <garbeam@wmii.de>
date	Fri, 14 Jul 2006 13:03:53 +0200
parents	0a4b066ce254
children	50450aa24a46

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;

33 if(!sel)

34 return;

36 if(sel == next(clients))

37 sel = next(sel->next);

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

40 *l = sel->next;

42 sel->next = clients; /* pop */

43 clients = sel;

44 arrange(NULL);

45 focus(sel);

46 }

48 void

49 max(Arg *arg)

50 {

51 if(!sel)

52 return;

53 sel->x = sx;

54 sel->y = sy + bh;

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

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

57 craise(sel);

58 resize(sel, False);

59 }

61 void

62 view(Arg *arg)

63 {

64 Client *c;

66 tsel = arg->i;

67 arrange(NULL);

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

70 draw_client(c);

71 draw_bar();

72 }

74 void

75 tappend(Arg *arg)

76 {

77 if(!sel)

78 return;

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

81 arrange(NULL);

82 }

84 void

85 ttrunc(Arg *arg)

86 {

87 int i;

88 if(!sel)

89 return;

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

92 sel->tags[i] = NULL;

93 tappend(arg);

94 }

96 static void

97 ban_client(Client *c)

98 {

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

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

101 }

102

103 void

104 floating(Arg *arg)

105 {

106 Client *c;

107

108 arrange = floating;

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

110 if(c->tags[tsel])

111 resize(c, True);

112 else

113 ban_client(c);

114 }

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

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

117 craise(sel);

118 focus(sel);

119 }

120 }

121 }

122

123 void

124 tiling(Arg *arg)

125 {

126 Client *c;

127 int n, i, w, h;

128

129 w = sw - mw;

130 arrange = tiling;

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

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

133 n++;

134

135 if(n > 1)

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

137 else

138 h = sh - bh;

139

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

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

142 if(c->floating) {

143 craise(c);

144 resize(c, True);

145 continue;

146 }

147 if(n == 1) {

148 c->x = sx;

149 c->y = sy + bh;

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

151 c->h = sh - 2 * c->border - bh;

152 }

153 else if(i == 0) {

154 c->x = sx;

155 c->y = sy + bh;

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

157 c->h = sh - 2 * c->border - bh;

158 }

159 else {

160 c->x = sx + mw;

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

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

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

164 }

165 resize(c, False);

166 i++;

167 }

168 else

169 ban_client(c);

170 }

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

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

173 craise(sel);

174 focus(sel);

175 }

176 }

177 }

178

179 void

180 prevc(Arg *arg)

181 {

182 Client *c;

183

184 if(!sel)

185 return;

186

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

188 craise(c);

189 focus(c);

190 }

191 }

192

193 void

194 nextc(Arg *arg)

195 {

196 Client *c;

197

198 if(!sel)

199 return;

200

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

202 c = next(clients);

203 if(c) {

204 craise(c);

205 c->revert = sel;

206 focus(c);

207 }

208 }

209

210 void

211 ckill(Arg *arg)

212 {

213 if(!sel)

214 return;

215 if(sel->proto & WM_PROTOCOL_DELWIN)

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

217 else

218 XKillClient(dpy, sel->win);

219 }

220

221 static void

222 resize_title(Client *c)

223 {

224 int i;

225

226 c->tw = 0;

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

228 if(c->tags[i])

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

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

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

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

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

234 c->ty = c->y;

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

236 }

237

238 void

239 update_name(Client *c)

240 {

241 XTextProperty name;

242 int n;

243 char **list = NULL;

244

245 name.nitems = 0;

246 c->name[0] = 0;

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

248 if(!name.nitems)

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

250 if(!name.nitems)

251 return;

252 if(name.encoding == XA_STRING)

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

254 else {

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

256 && n > 0 && *list)

257 {

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

259 XFreeStringList(list);

260 }

261 }

262 XFree(name.value);

263 resize_title(c);

264 }

265

266 void

267 update_size(Client *c)

268 {

269 XSizeHints size;

270 long msize;

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

272 size.flags = PSize;

273 c->flags = size.flags;

274 if(c->flags & PBaseSize) {

275 c->basew = size.base_width;

276 c->baseh = size.base_height;

277 }

278 else

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

280 if(c->flags & PResizeInc) {

281 c->incw = size.width_inc;

282 c->inch = size.height_inc;

283 }

284 else

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

286 if(c->flags & PMaxSize) {

287 c->maxw = size.max_width;

288 c->maxh = size.max_height;

289 }

290 else

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

292 if(c->flags & PMinSize) {

293 c->minw = size.min_width;

294 c->minh = size.min_height;

295 }

296 else

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

298 if(c->flags & PWinGravity)

299 c->grav = size.win_gravity;

300 else

301 c->grav = NorthWestGravity;

302 }

303

304 void

305 craise(Client *c)

306 {

307 XRaiseWindow(dpy, c->win);

308 XRaiseWindow(dpy, c->title);

309 }

310

311 void

312 lower(Client *c)

313 {

314 XLowerWindow(dpy, c->title);

315 XLowerWindow(dpy, c->win);

316 }

317

318 void

319 focus(Client *c)

320 {

321 Client *old = sel;

322 XEvent ev;

323

324 XFlush(dpy);

325 sel = c;

326 if(old && old != c)

327 draw_client(old);

328 draw_client(c);

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

330 XFlush(dpy);

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

332 }

333

334 static void

335 init_tags(Client *c)

336 {

337 XClassHint ch;

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

339 unsigned int i, j;

340 Bool matched = False;

341

342 if(!len) {

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

344 return;

345 }

346

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

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

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

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

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

352 {

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

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

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

356 matched = True;

357 break;

358 }

359 }

360 if(ch.res_class)

361 XFree(ch.res_class);

362 if(ch.res_name)

363 XFree(ch.res_name);

364 }

365

366 if(!matched)

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

368 }

369

370 void

371 manage(Window w, XWindowAttributes *wa)

372 {

373 Client *c, **l;

374 XSetWindowAttributes twa;

375 Window trans;

376

377 c = emallocz(sizeof(Client));

378 c->win = w;

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

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

381 if(c->y < bh)

382 c->ty = c->y += bh;

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

384 c->h = wa->height;

385 c->th = bh;

386 c->border = 1;

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

388 update_size(c);

389 XSelectInput(dpy, c->win,

390 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

392 twa.override_redirect = 1;

393 twa.background_pixmap = ParentRelative;

394 twa.event_mask = ExposureMask;

395

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

397 0, DefaultDepth(dpy, screen), CopyFromParent,

398 DefaultVisual(dpy, screen),

399 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

400

401 update_name(c);

402 init_tags(c);

403

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

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

406 *l = c;

407

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

409 GrabModeAsync, GrabModeSync, None, None);

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

411 GrabModeAsync, GrabModeSync, None, None);

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

413 GrabModeAsync, GrabModeSync, None, None);

414

415 if(!c->floating)

416 c->floating = trans

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

418

419 arrange(NULL);

420 /* mapping the window now prevents flicker */

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

422 XMapRaised(dpy, c->win);

423 XMapRaised(dpy, c->title);

424 focus(c);

425 }

426 else {

427 ban_client(c);

428 XMapRaised(dpy, c->win);

429 XMapRaised(dpy, c->title);

430 }

431 }

432

433 void

434 gravitate(Client *c, Bool invert)

435 {

436 int dx = 0, dy = 0;

437

438 switch(c->grav) {

439 case StaticGravity:

440 case NorthWestGravity:

441 case NorthGravity:

442 case NorthEastGravity:

443 dy = c->border;

444 break;

445 case EastGravity:

446 case CenterGravity:

447 case WestGravity:

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

449 break;

450 case SouthEastGravity:

451 case SouthGravity:

452 case SouthWestGravity:

453 dy = -c->h;

454 break;

455 default:

456 break;

457 }

458

459 switch (c->grav) {

460 case StaticGravity:

461 case NorthWestGravity:

462 case WestGravity:

463 case SouthWestGravity:

464 dx = c->border;

465 break;

466 case NorthGravity:

467 case CenterGravity:

468 case SouthGravity:

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

470 break;

471 case NorthEastGravity:

472 case EastGravity:

473 case SouthEastGravity:

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

475 break;

476 default:

477 break;

478 }

479

480 if(invert) {

481 dx = -dx;

482 dy = -dy;

483 }

484 c->x += dx;

485 c->y += dy;

486 }

487

488

489 void

490 resize(Client *c, Bool inc)

491 {

492 XConfigureEvent e;

493

494 if(inc) {

495 if(c->incw)

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

497 if(c->inch)

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

499 }

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

501 c->w = c->minw;

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

503 c->h = c->minh;

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

505 c->w = c->maxw;

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

507 c->h = c->maxh;

508 resize_title(c);

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

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

511 e.type = ConfigureNotify;

512 e.event = c->win;

513 e.window = c->win;

514 e.x = c->x;

515 e.y = c->y;

516 e.width = c->w;

517 e.height = c->h;

518 e.border_width = c->border;

519 e.above = None;

520 e.override_redirect = False;

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

522 XFlush(dpy);

523 }

524

525 static int

526 dummy_error_handler(Display *dsply, XErrorEvent *err)

527 {

528 return 0;

529 }

530

531 void

532 unmanage(Client *c)

533 {

534 Client **l;

535

536 XGrabServer(dpy);

537 XSetErrorHandler(dummy_error_handler);

538

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

540 XDestroyWindow(dpy, c->title);

541

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

543 *l = c->next;

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

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

546 (*l)->revert = NULL;

547 if(sel == c)

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

549

550 free(c);

551

552 XFlush(dpy);

553 XSetErrorHandler(error_handler);

554 XUngrabServer(dpy);

555 arrange(NULL);

556 if(sel)

557 focus(sel);

558 }

559

560 Client *

561 gettitle(Window w)

562 {

563 Client *c;

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

565 if(c->title == w)

566 return c;

567 return NULL;

568 }

569

570 Client *

571 getclient(Window w)

572 {

573 Client *c;

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

575 if(c->win == w)

576 return c;

577 return NULL;

578 }

579

580 void

581 draw_client(Client *c)

582 {

583 int i;

584 if(c == sel) {

585 draw_bar();

586 XUnmapWindow(dpy, c->title);

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

588 return;

589 }

590

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

592 XMapWindow(dpy, c->title);

593

594 dc.x = dc.y = 0;

595

596 dc.w = 0;

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

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

599 dc.x += dc.w;

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

601 drawtext(c->tags[i], True);

602 }

603 }

604 dc.x += dc.w;

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

606 drawtext(c->name, True);

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

608 0, 0, c->tw, c->th, 0, 0);

609 XFlush(dpy);

610 }