dwm-meillo: be40a56df248 client.c

dwm-meillo

view client.c @ 272:be40a56df248

fixed a core dump

author	Anselm R.Garbe <arg@10ksloc.org>
date	Mon, 14 Aug 2006 10:49:22 +0200
parents	dacd3f3c5823
children	134804791d73

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 resizetitle(Client *c)

15 {

16 int i;

18 c->tw = 0;

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

20 if(c->tags[i])

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

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

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

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

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

26 c->ty = c->y;

27 if(isvisible(c))

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

29 else

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

32 }

34 static int

35 xerrordummy(Display *dsply, XErrorEvent *ee)

36 {

37 return 0;

38 }

40 /* extern functions */

42 void

43 ban(Client *c)

44 {

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

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

47 }

49 void

50 focus(Client *c)

51 {

52 if (!issel)

53 return;

54 Client *old = sel;

56 sel = c;

57 if(old && old != c)

58 drawtitle(old);

59 drawtitle(c);

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

61 }

63 void

64 focusnext(Arg *arg)

65 {

66 Client *c;

68 if(!sel)

69 return;

71 if(sel->ismax)

72 togglemax(NULL);

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

75 c = getnext(clients);

76 if(c) {

77 focus(c);

78 restack();

79 }

80 }

82 void

83 focusprev(Arg *arg)

84 {

85 Client *c;

87 if(!sel)

88 return;

90 if(sel->ismax)

91 togglemax(NULL);

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

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

95 c = getprev(c);

96 }

97 if(c) {

98 focus(c);

99 restack();

100 }

101 }

102

103 Client *

104 getclient(Window w)

105 {

106 Client *c;

107

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

109 if(c->win == w)

110 return c;

111 return NULL;

112 }

113

114 Client *

115 getctitle(Window w)

116 {

117 Client *c;

118

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

120 if(c->title == w)

121 return c;

122 return NULL;

123 }

124

125 void

126 gravitate(Client *c, Bool invert)

127 {

128 int dx = 0, dy = 0;

129

130 switch(c->grav) {

131 default:

132 break;

133 case StaticGravity:

134 case NorthWestGravity:

135 case NorthGravity:

136 case NorthEastGravity:

137 dy = c->border;

138 break;

139 case EastGravity:

140 case CenterGravity:

141 case WestGravity:

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

143 break;

144 case SouthEastGravity:

145 case SouthGravity:

146 case SouthWestGravity:

147 dy = -(c->h);

148 break;

149 }

150

151 switch (c->grav) {

152 default:

153 break;

154 case StaticGravity:

155 case NorthWestGravity:

156 case WestGravity:

157 case SouthWestGravity:

158 dx = c->border;

159 break;

160 case NorthGravity:

161 case CenterGravity:

162 case SouthGravity:

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

164 break;

165 case NorthEastGravity:

166 case EastGravity:

167 case SouthEastGravity:

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

169 break;

170 }

171

172 if(invert) {

173 dx = -dx;

174 dy = -dy;

175 }

176 c->x += dx;

177 c->y += dy;

178 }

179

180 void

181 killclient(Arg *arg)

182 {

183 if(!sel)

184 return;

185 if(sel->proto & PROTODELWIN)

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

187 else

188 XKillClient(dpy, sel->win);

189 }

190

191 void

192 manage(Window w, XWindowAttributes *wa)

193 {

194 Client *c;

195 Window trans;

196 XSetWindowAttributes twa;

197

198 c = emallocz(sizeof(Client));

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

200 c->win = w;

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

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

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

204 c->h = wa->height;

205 c->th = bh;

206

207 c->border = 0;

208 setsize(c);

209

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

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

212

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

214 XSelectInput(dpy, c->win,

215 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

217 twa.override_redirect = 1;

218 twa.background_pixmap = ParentRelative;

219 twa.event_mask = ExposureMask | EnterWindowMask;

220

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

222 0, DefaultDepth(dpy, screen), CopyFromParent,

223 DefaultVisual(dpy, screen),

224 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

225

226 if(clients)

227 clients->prev = c;

228 c->next = clients;

229 clients = c;

230

231 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,

232 GrabModeAsync, GrabModeSync, None, None);

233 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,

234 GrabModeAsync, GrabModeSync, None, None);

235 XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,

236 GrabModeAsync, GrabModeSync, None, None);

237 XGrabButton(dpy, Button1, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,

238 GrabModeAsync, GrabModeSync, None, None);

239

240 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,

241 GrabModeAsync, GrabModeSync, None, None);

242 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,

243 GrabModeAsync, GrabModeSync, None, None);

244 XGrabButton(dpy, Button2, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,

245 GrabModeAsync, GrabModeSync, None, None);

246 XGrabButton(dpy, Button2, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,

247 GrabModeAsync, GrabModeSync, None, None);

248

249 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,

250 GrabModeAsync, GrabModeSync, None, None);

251 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,

252 GrabModeAsync, GrabModeSync, None, None);

253 XGrabButton(dpy, Button3, MODKEY | NUMLOCKMASK, c->win, False, BUTTONMASK,

254 GrabModeAsync, GrabModeSync, None, None);

255 XGrabButton(dpy, Button3, MODKEY | NUMLOCKMASK | LockMask, c->win, False, BUTTONMASK,

256 GrabModeAsync, GrabModeSync, None, None);

257

258 settags(c);

259 if(!c->isfloat)

260 c->isfloat = trans

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

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

263 settitle(c);

264

265 XMapWindow(dpy, c->win);

266 XMapWindow(dpy, c->title);

267 if(isvisible(c))

268 focus(c);

269 arrange(NULL);

270 }

271

272 void

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

274 {

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

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

277 /*XConfigureEvent e;*/

278 XWindowChanges wc;

279

280 if(sizehints) {

281 if(c->incw)

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

283 if(c->inch)

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

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

286 c->w = c->minw;

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

288 c->h = c->minh;

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

290 c->w = c->maxw;

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

292 c->h = c->maxh;

293 }

294 if(c->x > right) /* might happen on restart */

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

296 if(c->y > bottom)

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

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

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

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

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

302

303 resizetitle(c);

304 wc.x = c->x;

305 wc.y = c->y;

306 wc.width = c->w;

307 wc.height = c->h;

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

309 wc.border_width = 0;

310 else

311 wc.border_width = 1;

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

313 XSync(dpy, False);

314 }

315

316 void

317 setsize(Client *c)

318 {

319 long msize;

320 XSizeHints size;

321

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

323 size.flags = PSize;

324 c->flags = size.flags;

325 if(c->flags & PBaseSize) {

326 c->basew = size.base_width;

327 c->baseh = size.base_height;

328 }

329 else

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

331 if(c->flags & PResizeInc) {

332 c->incw = size.width_inc;

333 c->inch = size.height_inc;

334 }

335 else

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

337 if(c->flags & PMaxSize) {

338 c->maxw = size.max_width;

339 c->maxh = size.max_height;

340 }

341 else

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

343 if(c->flags & PMinSize) {

344 c->minw = size.min_width;

345 c->minh = size.min_height;

346 }

347 else

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

349 if(c->flags & PWinGravity)

350 c->grav = size.win_gravity;

351 else

352 c->grav = NorthWestGravity;

353 }

354

355 void

356 settitle(Client *c)

357 {

358 char **list = NULL;

359 int n;

360 XTextProperty name;

361

362 name.nitems = 0;

363 c->name[0] = 0;

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

365 if(!name.nitems)

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

367 if(!name.nitems)

368 return;

369 if(name.encoding == XA_STRING)

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

371 else {

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

373 && n > 0 && *list)

374 {

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

376 XFreeStringList(list);

377 }

378 }

379 XFree(name.value);

380 resizetitle(c);

381 }

382

383 void

384 togglemax(Arg *arg)

385 {

386 int ox, oy, ow, oh;

387 XEvent ev;

388

389 if(!sel)

390 return;

391

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

393 ox = sel->x;

394 oy = sel->y;

395 ow = sel->w;

396 oh = sel->h;

397 sel->x = sx;

398 sel->y = sy + bh;

399 sel->w = sw - 2;

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

401

402 restack();

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

404

405 sel->x = ox;

406 sel->y = oy;

407 sel->w = ow;

408 sel->h = oh;

409 }

410 else

411 resize(sel, False, TopLeft);

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

413 }

414

415 void

416 unmanage(Client *c)

417 {

418 XGrabServer(dpy);

419 XSetErrorHandler(xerrordummy);

420

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

422 XDestroyWindow(dpy, c->title);

423

424 if(c->prev)

425 c->prev->next = c->next;

426 if(c->next)

427 c->next->prev = c->prev;

428 if(c == clients)

429 clients = c->next;

430 if(sel == c)

431 sel = getnext(clients);

432 free(c->tags);

433 free(c);

434

435 XSync(dpy, False);

436 XSetErrorHandler(xerror);

437 XUngrabServer(dpy);

438 if(sel)

439 focus(sel);

440 arrange(NULL);

441 }

442

443 void

444 zoom(Arg *arg)

445 {

446 Client *c;

447

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

449 return;

450

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

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

453 sel = c;

454 else

455 return;

456 }

457

458 /* pop */

459 sel->prev->next = sel->next;

460 if(sel->next)

461 sel->next->prev = sel->prev;

462 sel->prev = NULL;

463 clients->prev = sel;

464 sel->next = clients;

465 clients = sel;

466 focus(sel);

467 arrange(NULL);

468 }