aewl: 58c09c533d3f client.c

aewl

view client.c @ 325:58c09c533d3f

removed badmalloc (thx for the pointer to Uriel)

author	Anselm R. Garbe <arg@10kloc.org>
date	Tue, 22 Aug 2006 16:06:11 +0200
parents	94d2d7658673
children	96d09fd98e89

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 <stdlib.h>

7 #include <string.h>

8 #include <X11/Xatom.h>

9 #include <X11/Xutil.h>

11 /* static functions */

13 static void

14 grabbutton(Client *c, unsigned int button, unsigned int modifier)

15 {

16 XGrabButton(dpy, button, modifier, c->win, False, BUTTONMASK,

17 GrabModeAsync, GrabModeSync, None, None);

18 XGrabButton(dpy, button, modifier | LockMask, c->win, False, BUTTONMASK,

19 GrabModeAsync, GrabModeSync, None, None);

20 XGrabButton(dpy, button, modifier | numlockmask, c->win, False, BUTTONMASK,

21 GrabModeAsync, GrabModeSync, None, None);

22 XGrabButton(dpy, button, modifier | numlockmask | LockMask, c->win, False, BUTTONMASK,

23 GrabModeAsync, GrabModeSync, None, None);

24 }

26 static void

27 resizetitle(Client *c)

28 {

29 int i;

31 c->tw = 0;

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

33 if(c->tags[i])

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

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

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

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

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

39 c->ty = c->y;

40 if(isvisible(c))

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

42 else

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

45 }

47 static void

48 ungrabbutton(Client *c, unsigned int button, unsigned int modifier)

49 {

50 XUngrabButton(dpy, button, modifier, c->win);

51 XUngrabButton(dpy, button, modifier | LockMask, c->win);

52 XUngrabButton(dpy, button, modifier | numlockmask, c->win);

53 XUngrabButton(dpy, button, modifier | numlockmask | LockMask, c->win);

54 }

56 static int

57 xerrordummy(Display *dsply, XErrorEvent *ee)

58 {

59 return 0;

60 }

62 /* extern functions */

64 void

65 ban(Client *c)

66 {

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

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

69 }

71 void

72 focus(Client *c)

73 {

74 Client *old = sel;

76 if(!issel)

77 return;

78 if(!sel)

79 sel = c;

80 else if(sel != c) {

81 if(sel->ismax)

82 togglemax(NULL);

83 sel = c;

84 grabbutton(old, AnyButton, 0);

85 drawtitle(old);

86 }

87 ungrabbutton(c, AnyButton, 0);

88 drawtitle(c);

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

90 }

92 void

93 focusnext(Arg *arg)

94 {

95 Client *c;

97 if(!sel)

98 return;

100 if(!(c = getnext(sel->next)))

101 c = getnext(clients);

102 if(c) {

103 focus(c);

104 restack();

105 }

106 }

107

108 void

109 focusprev(Arg *arg)

110 {

111 Client *c;

112

113 if(!sel)

114 return;

115

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

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

118 c = getprev(c);

119 }

120 if(c) {

121 focus(c);

122 restack();

123 }

124 }

125

126 Client *

127 getclient(Window w)

128 {

129 Client *c;

130

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

132 if(c->win == w)

133 return c;

134 return NULL;

135 }

136

137 Client *

138 getctitle(Window w)

139 {

140 Client *c;

141

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

143 if(c->title == w)

144 return c;

145 return NULL;

146 }

147

148 void

149 gravitate(Client *c, Bool invert)

150 {

151 int dx = 0, dy = 0;

152

153 switch(c->grav) {

154 default:

155 break;

156 case StaticGravity:

157 case NorthWestGravity:

158 case NorthGravity:

159 case NorthEastGravity:

160 dy = c->border;

161 break;

162 case EastGravity:

163 case CenterGravity:

164 case WestGravity:

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

166 break;

167 case SouthEastGravity:

168 case SouthGravity:

169 case SouthWestGravity:

170 dy = -(c->h);

171 break;

172 }

173

174 switch (c->grav) {

175 default:

176 break;

177 case StaticGravity:

178 case NorthWestGravity:

179 case WestGravity:

180 case SouthWestGravity:

181 dx = c->border;

182 break;

183 case NorthGravity:

184 case CenterGravity:

185 case SouthGravity:

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

187 break;

188 case NorthEastGravity:

189 case EastGravity:

190 case SouthEastGravity:

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

192 break;

193 }

194

195 if(invert) {

196 dx = -dx;

197 dy = -dy;

198 }

199 c->x += dx;

200 c->y += dy;

201 }

202

203 void

204 killclient(Arg *arg)

205 {

206 if(!sel)

207 return;

208 if(sel->proto & PROTODELWIN)

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

210 else

211 XKillClient(dpy, sel->win);

212 }

213

214 void

215 manage(Window w, XWindowAttributes *wa)

216 {

217 unsigned int i;

218 Client *c, *tc;

219 Window trans;

220 XSetWindowAttributes twa;

221

222 c = emallocz(sizeof(Client));

223 c->tags = emallocz(ntags * sizeof(Bool));

224 c->win = w;

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

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

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

228 c->h = wa->height;

229 c->th = bh;

230

231 c->border = 0;

232 setsize(c);

233

234 if(c->x + c->w + 2 > sw)

235 c->x = sw - c->w - 2;

236 if(c->x < 0)

237 c->x = 0;

238 if(c->y + c->h + 2 > sh)

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

240 if(c->h != sh && c->y < bh)

241 c->y = bh;

242

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

244 XSelectInput(dpy, c->win,

245 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

247 twa.override_redirect = 1;

248 twa.background_pixmap = ParentRelative;

249 twa.event_mask = ExposureMask | EnterWindowMask;

250

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

252 0, DefaultDepth(dpy, screen), CopyFromParent,

253 DefaultVisual(dpy, screen),

254 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

255

256 if(clients)

257 clients->prev = c;

258 c->next = clients;

259 clients = c;

260

261 grabbutton(c, Button1, MODKEY);

262 grabbutton(c, Button2, MODKEY);

263 grabbutton(c, Button3, MODKEY);

264

265 if((tc = getclient(trans))) /* inherit tags */

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

267 c->tags[i] = tc->tags[i];

268 else

269 settags(c);

270 if(!c->isfloat)

271 c->isfloat = trans

272 || (c->maxw && c->minw &&

273 c->maxw == c->minw && c->maxh == c->minh);

274 settitle(c);

275 if(isvisible(c))

276 sel = c;

277 arrange(NULL);

278 XMapWindow(dpy, c->win);

279 XMapWindow(dpy, c->title);

280 if(isvisible(c))

281 focus(c);

282 }

283

284 void

285 resize(Client *c, Bool sizehints, Corner sticky)

286 {

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

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

289 XWindowChanges wc;

290

291 if(sizehints) {

292 if(c->incw)

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

294 if(c->inch)

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

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

297 c->w = c->minw;

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

299 c->h = c->minh;

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

301 c->w = c->maxw;

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

303 c->h = c->maxh;

304 }

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

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

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

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

309

310 resizetitle(c);

311 wc.x = c->x;

312 wc.y = c->y;

313 wc.width = c->w;

314 wc.height = c->h;

315 if(c->w == sw && c->h == sh)

316 wc.border_width = 0;

317 else

318 wc.border_width = 1;

319 XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);

320 XSync(dpy, False);

321 }

322

323 void

324 setsize(Client *c)

325 {

326 long msize;

327 XSizeHints size;

328

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

330 size.flags = PSize;

331 c->flags = size.flags;

332 if(c->flags & PBaseSize) {

333 c->basew = size.base_width;

334 c->baseh = size.base_height;

335 }

336 else

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

338 if(c->flags & PResizeInc) {

339 c->incw = size.width_inc;

340 c->inch = size.height_inc;

341 }

342 else

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

344 if(c->flags & PMaxSize) {

345 c->maxw = size.max_width;

346 c->maxh = size.max_height;

347 }

348 else

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

350 if(c->flags & PMinSize) {

351 c->minw = size.min_width;

352 c->minh = size.min_height;

353 }

354 else

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

356 if(c->flags & PWinGravity)

357 c->grav = size.win_gravity;

358 else

359 c->grav = NorthWestGravity;

360 }

361

362 void

363 settitle(Client *c)

364 {

365 char **list = NULL;

366 int n;

367 XTextProperty name;

368

369 name.nitems = 0;

370 c->name[0] = 0;

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

372 if(!name.nitems)

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

374 if(!name.nitems)

375 return;

376 if(name.encoding == XA_STRING)

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

378 else {

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

380 && n > 0 && *list)

381 {

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

383 XFreeStringList(list);

384 }

385 }

386 XFree(name.value);

387 resizetitle(c);

388 }

389

390 void

391 togglemax(Arg *arg)

392 {

393 int ox, oy, ow, oh;

394 XEvent ev;

395

396 if(!sel)

397 return;

398

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

400 ox = sel->x;

401 oy = sel->y;

402 ow = sel->w;

403 oh = sel->h;

404 sel->x = sx;

405 sel->y = sy + bh;

406 sel->w = sw - 2;

407 sel->h = sh - 2 - bh;

408

409 restack();

410 resize(sel, arrange == dofloat, TopLeft);

411

412 sel->x = ox;

413 sel->y = oy;

414 sel->w = ow;

415 sel->h = oh;

416 }

417 else

418 resize(sel, False, TopLeft);

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

420 }

421

422 void

423 unmanage(Client *c)

424 {

425 XGrabServer(dpy);

426 XSetErrorHandler(xerrordummy);

427

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

429 XDestroyWindow(dpy, c->title);

430

431 if(c->prev)

432 c->prev->next = c->next;

433 if(c->next)

434 c->next->prev = c->prev;

435 if(c == clients)

436 clients = c->next;

437 if(sel == c)

438 sel = getnext(clients);

439 free(c->tags);

440 free(c);

441

442 XSync(dpy, False);

443 XSetErrorHandler(xerror);

444 XUngrabServer(dpy);

445 if(sel)

446 focus(sel);

447 arrange(NULL);

448 }

449

450 void

451 zoom(Arg *arg)

452 {

453 Client *c;

454

455 if(!sel || (arrange != dotile) || sel->isfloat || sel->ismax)

456 return;

457

458 if(sel == getnext(clients)) {

459 if((c = getnext(sel->next)))

460 sel = c;

461 else

462 return;

463 }

464

465 /* pop */

466 sel->prev->next = sel->next;

467 if(sel->next)

468 sel->next->prev = sel->prev;

469 sel->prev = NULL;

470 clients->prev = sel;

471 sel->next = clients;

472 clients = sel;

473 focus(sel);

474 arrange(NULL);

475 }