aewl: 0a407fbb8092 client.c

aewl

view client.c @ 128:0a407fbb8092

serious mistake in pop() (forgot to set c->prev to NULL on pop)

author	arg@10ksloc.org
date	Thu, 20 Jul 2006 18:23:43 +0200
parents	1480e19f6377
children	c478383db7c9

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->tw = 0;

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

21 if(c->tags[i])

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

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

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

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

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

27 c->ty = c->y;

28 if(c->tags[tsel])

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

30 else

31 XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);

33 }

35 static int

36 xerrordummy(Display *dsply, XErrorEvent *ee)

37 {

38 return 0;

39 }

41 /* extern functions */

43 void

44 ban(Client *c)

45 {

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

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

48 }

50 void

51 focus(Client *c)

52 {

53 Client *old = sel;

54 XEvent ev;

56 sel = c;

57 if(old && old != c)

58 drawtitle(old);

59 drawtitle(c);

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

61 XSync(dpy, False);

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

63 }

65 void

66 focusnext(Arg *arg)

67 {

68 Client *c;

70 if(!sel)

71 return;

73 if(sel->ismax)

74 togglemax(NULL);

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

77 c = getnext(clients, tsel);

78 if(c) {

79 higher(c);

80 focus(c);

81 }

82 }

84 void

85 focusprev(Arg *arg)

86 {

87 Client *c;

89 if(!sel)

90 return;

92 if(sel->ismax)

93 togglemax(NULL);

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

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

97 c = getprev(c);

98 }

99 if(c) {

100 higher(c);

101 focus(c);

102 }

103 }

104

105 Client *

106 getclient(Window w)

107 {

108 Client *c;

109

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

111 if(c->win == w)

112 return c;

113 return NULL;

114 }

115

116 Client *

117 getctitle(Window w)

118 {

119 Client *c;

120

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

122 if(c->title == w)

123 return c;

124 return NULL;

125 }

126

127 void

128 gravitate(Client *c, Bool invert)

129 {

130 int dx = 0, dy = 0;

131

132 switch(c->grav) {

133 default:

134 break;

135 case StaticGravity:

136 case NorthWestGravity:

137 case NorthGravity:

138 case NorthEastGravity:

139 dy = c->border;

140 break;

141 case EastGravity:

142 case CenterGravity:

143 case WestGravity:

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

145 break;

146 case SouthEastGravity:

147 case SouthGravity:

148 case SouthWestGravity:

149 dy = -(c->h);

150 break;

151 }

152

153 switch (c->grav) {

154 default:

155 break;

156 case StaticGravity:

157 case NorthWestGravity:

158 case WestGravity:

159 case SouthWestGravity:

160 dx = c->border;

161 break;

162 case NorthGravity:

163 case CenterGravity:

164 case SouthGravity:

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

166 break;

167 case NorthEastGravity:

168 case EastGravity:

169 case SouthEastGravity:

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

171 break;

172 }

173

174 if(invert) {

175 dx = -dx;

176 dy = -dy;

177 }

178 c->x += dx;

179 c->y += dy;

180 }

181

182 void

183 higher(Client *c)

184 {

185 XRaiseWindow(dpy, c->win);

186 XRaiseWindow(dpy, c->title);

187 }

188

189 void

190 killclient(Arg *arg)

191 {

192 if(!sel)

193 return;

194 if(sel->proto & WM_PROTOCOL_DELWIN)

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

196 else

197 XKillClient(dpy, sel->win);

198 }

199

200 void

201 lower(Client *c)

202 {

203 XLowerWindow(dpy, c->title);

204 XLowerWindow(dpy, c->win);

205 }

206

207 void

208 manage(Window w, XWindowAttributes *wa)

209 {

210 Client *c;

211 Window trans;

212 XSetWindowAttributes twa;

213

214 c = emallocz(sizeof(Client));

215 c->win = w;

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

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

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

219 c->h = wa->height;

220 c->th = bh;

221

222 if(c->y < bh)

223 c->y = c->ty = bh;

224

225 c->border = 1;

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

227 setsize(c);

228 XSelectInput(dpy, c->win,

229 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

231 twa.override_redirect = 1;

232 twa.background_pixmap = ParentRelative;

233 twa.event_mask = ExposureMask;

234

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

236 0, DefaultDepth(dpy, screen), CopyFromParent,

237 DefaultVisual(dpy, screen),

238 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

239

240 settags(c);

241

242 if(clients)

243 clients->prev = c;

244 c->next = clients;

245 clients = c;

246

247 XGrabButton(dpy, Button1, MODKEY, c->win, False, ButtonPressMask,

248 GrabModeAsync, GrabModeSync, None, None);

249 XGrabButton(dpy, Button2, MODKEY, c->win, False, ButtonPressMask,

250 GrabModeAsync, GrabModeSync, None, None);

251 XGrabButton(dpy, Button3, MODKEY, c->win, False, ButtonPressMask,

252 GrabModeAsync, GrabModeSync, None, None);

253

254 if(!c->isfloat)

255 c->isfloat = trans || (c->maxw && c->minw &&

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

257

258

259 settitle(c);

260 arrange(NULL);

261

262 /* mapping the window now prevents flicker */

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

264 XMapRaised(dpy, c->win);

265 XMapRaised(dpy, c->title);

266 focus(c);

267 }

268 else {

269 XMapRaised(dpy, c->win);

270 XMapRaised(dpy, c->title);

271

272 }

273 }

274

275 void

276 pop(Client *c)

277 {

278 Client **l;

279

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

281 if(c->prev)

282 c->prev->next = c->next;

283 if(c->next)

284 c->next->prev = c->prev;

285 *l = c->next;

286

287 c->prev = NULL;

288 if(clients)

289 clients->prev = c;

290 c->next = clients;

291 clients = c;

292 arrange(NULL);

293 }

294

295 void

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

297 {

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

299 int right = c->x + c->w;

300 XConfigureEvent e;

301

302 if(inc) {

303 if(c->incw)

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

305 if(c->inch)

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

307 }

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

309 c->x = sw - c->w;

310 if(c->y > sh)

311 c->y = sh - c->h;

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

313 c->w = c->minw;

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

315 c->h = c->minh;

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

317 c->w = c->maxw;

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

319 c->h = c->maxh;

320 if(sticky == TopRight || sticky == BotRight)

321 c->x = right - c->w;

322 if(sticky == BotLeft || sticky == BotRight)

323 c->y = bottom - c->h;

324

325 resizetitle(c);

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

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

328

329 e.type = ConfigureNotify;

330 e.event = c->win;

331 e.window = c->win;

332 e.x = c->x;

333 e.y = c->y;

334 e.width = c->w;

335 e.height = c->h;

336 e.border_width = c->border;

337 e.above = None;

338 e.override_redirect = False;

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

340 XSync(dpy, False);

341 }

342

343 void

344 setsize(Client *c)

345 {

346 long msize;

347 XSizeHints size;

348

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

350 size.flags = PSize;

351 c->flags = size.flags;

352 if(c->flags & PBaseSize) {

353 c->basew = size.base_width;

354 c->baseh = size.base_height;

355 }

356 else

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

358 if(c->flags & PResizeInc) {

359 c->incw = size.width_inc;

360 c->inch = size.height_inc;

361 }

362 else

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

364 if(c->flags & PMaxSize) {

365 c->maxw = size.max_width;

366 c->maxh = size.max_height;

367 }

368 else

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

370 if(c->flags & PMinSize) {

371 c->minw = size.min_width;

372 c->minh = size.min_height;

373 }

374 else

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

376 if(c->flags & PWinGravity)

377 c->grav = size.win_gravity;

378 else

379 c->grav = NorthWestGravity;

380 }

381

382 void

383 settitle(Client *c)

384 {

385 char **list = NULL;

386 int n;

387 XTextProperty name;

388

389 name.nitems = 0;

390 c->name[0] = 0;

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

392 if(!name.nitems)

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

394 if(!name.nitems)

395 return;

396 if(name.encoding == XA_STRING)

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

398 else {

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

400 && n > 0 && *list)

401 {

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

403 XFreeStringList(list);

404 }

405 }

406 XFree(name.value);

407 resizetitle(c);

408 }

409

410 void

411 togglemax(Arg *arg)

412 {

413 int ox, oy, ow, oh;

414 XEvent ev;

415

416 if(!sel)

417 return;

418

419 if((sel->ismax = !sel->ismax)) {

420 ox = sel->x;

421 oy = sel->y;

422 ow = sel->w;

423 oh = sel->h;

424 sel->x = sx;

425 sel->y = sy + bh;

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

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

428

429 higher(sel);

430 resize(sel, False, TopLeft);

431

432 sel->x = ox;

433 sel->y = oy;

434 sel->w = ow;

435 sel->h = oh;

436 }

437 else

438 resize(sel, False, TopLeft);

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

440 }

441

442 void

443 unmanage(Client *c)

444 {

445 Client **l;

446

447 XGrabServer(dpy);

448 XSetErrorHandler(xerrordummy);

449

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

451 XDestroyWindow(dpy, c->title);

452

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

454 if(c->prev)

455 c->prev->next = c->next;

456 if(c->next)

457 c->next->prev = c->prev;

458 *l = c->next;

459 if(sel == c) {

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

461 if(!sel)

462 sel = getprev(c->prev);

463 if(!sel)

464 sel = clients;

465 }

466 free(c);

467

468 XSync(dpy, False);

469 XSetErrorHandler(xerror);

470 XUngrabServer(dpy);

471 arrange(NULL);

472 if(sel)

473 focus(sel);

474 }

475

476 void

477 zoom(Arg *arg)

478 {

479 Client *c;

480

481 if(!sel)

482 return;

483

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

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

486 sel = c;

487 }

488

489 pop(sel);

490 focus(sel);

491 }