dwm-meillo: afcea99a4f3f client.c

dwm-meillo

view client.c @ 264:afcea99a4f3f

updated man page, added CAVEATS section

author	Anselm R.Garbe <arg@10ksloc.org>
date	Sun, 13 Aug 2006 18:04:42 +0200
parents	3692c9324977
children	dacd3f3c5823

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;

55 XEvent ev;

57 sel = c;

58 if(old && old != c)

59 drawtitle(old);

60 drawtitle(c);

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

62 XSync(dpy, False);

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

64 }

66 void

67 focusnext(Arg *arg)

68 {

69 Client *c;

71 if(!sel)

72 return;

74 if(sel->ismax)

75 togglemax(NULL);

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

78 c = getnext(clients);

79 if(c) {

80 higher(c);

81 focus(c);

82 }

83 }

85 void

86 focusprev(Arg *arg)

87 {

88 Client *c;

90 if(!sel)

91 return;

93 if(sel->ismax)

94 togglemax(NULL);

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

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

98 c = getprev(c);

99 }

100 if(c) {

101 higher(c);

102 focus(c);

103 }

104 }

105

106 Client *

107 getclient(Window w)

108 {

109 Client *c;

110

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

112 if(c->win == w)

113 return c;

114 return NULL;

115 }

116

117 Client *

118 getctitle(Window w)

119 {

120 Client *c;

121

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

123 if(c->title == w)

124 return c;

125 return NULL;

126 }

127

128 void

129 gravitate(Client *c, Bool invert)

130 {

131 int dx = 0, dy = 0;

132

133 switch(c->grav) {

134 default:

135 break;

136 case StaticGravity:

137 case NorthWestGravity:

138 case NorthGravity:

139 case NorthEastGravity:

140 dy = c->border;

141 break;

142 case EastGravity:

143 case CenterGravity:

144 case WestGravity:

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

146 break;

147 case SouthEastGravity:

148 case SouthGravity:

149 case SouthWestGravity:

150 dy = -(c->h);

151 break;

152 }

153

154 switch (c->grav) {

155 default:

156 break;

157 case StaticGravity:

158 case NorthWestGravity:

159 case WestGravity:

160 case SouthWestGravity:

161 dx = c->border;

162 break;

163 case NorthGravity:

164 case CenterGravity:

165 case SouthGravity:

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

167 break;

168 case NorthEastGravity:

169 case EastGravity:

170 case SouthEastGravity:

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

172 break;

173 }

174

175 if(invert) {

176 dx = -dx;

177 dy = -dy;

178 }

179 c->x += dx;

180 c->y += dy;

181 }

182

183 void

184 higher(Client *c)

185 {

186 XRaiseWindow(dpy, c->win);

187 XRaiseWindow(dpy, c->title);

188 }

189

190 void

191 killclient(Arg *arg)

192 {

193 if(!sel)

194 return;

195 if(sel->proto & PROTODELWIN)

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

197 else

198 XKillClient(dpy, sel->win);

199 }

200

201 void

202 manage(Window w, XWindowAttributes *wa)

203 {

204 Client *c;

205 Window trans;

206 XSetWindowAttributes twa;

207

208 c = emallocz(sizeof(Client));

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

210 c->win = w;

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

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

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

214 c->h = wa->height;

215 c->th = bh;

216

217 c->border = 0;

218 setsize(c);

219

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

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

222

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

224 XSelectInput(dpy, c->win,

225 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

227 twa.override_redirect = 1;

228 twa.background_pixmap = ParentRelative;

229 twa.event_mask = ExposureMask | EnterWindowMask;

230

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

232 0, DefaultDepth(dpy, screen), CopyFromParent,

233 DefaultVisual(dpy, screen),

234 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

235

236 if(clients)

237 clients->prev = c;

238 c->next = clients;

239 clients = c;

240

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

242 GrabModeAsync, GrabModeSync, None, None);

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

244 GrabModeAsync, GrabModeSync, None, None);

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

246 GrabModeAsync, GrabModeSync, None, None);

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

248 GrabModeAsync, GrabModeSync, None, None);

249

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

251 GrabModeAsync, GrabModeSync, None, None);

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

253 GrabModeAsync, GrabModeSync, None, None);

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

255 GrabModeAsync, GrabModeSync, None, None);

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

257 GrabModeAsync, GrabModeSync, None, None);

258

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

260 GrabModeAsync, GrabModeSync, None, None);

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

262 GrabModeAsync, GrabModeSync, None, None);

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

264 GrabModeAsync, GrabModeSync, None, None);

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

266 GrabModeAsync, GrabModeSync, None, None);

267

268 settags(c);

269 if(!c->isfloat)

270 c->isfloat = trans

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

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

273 settitle(c);

274 arrange(NULL);

275

276 /* mapping the window now prevents flicker */

277 XMapRaised(dpy, c->win);

278 XMapRaised(dpy, c->title);

279 if(isvisible(c))

280 focus(c);

281 }

282

283 void

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

285 {

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

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

288 /*XConfigureEvent e;*/

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

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

307 if(c->y > bottom)

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

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

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

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

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

313

314 resizetitle(c);

315 wc.x = c->x;

316 wc.y = c->y;

317 wc.width = c->w;

318 wc.height = c->h;

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

320 wc.border_width = 0;

321 else

322 wc.border_width = 1;

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

324 XSync(dpy, False);

325 }

326

327 void

328 setsize(Client *c)

329 {

330 long msize;

331 XSizeHints size;

332

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

334 size.flags = PSize;

335 c->flags = size.flags;

336 if(c->flags & PBaseSize) {

337 c->basew = size.base_width;

338 c->baseh = size.base_height;

339 }

340 else

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

342 if(c->flags & PResizeInc) {

343 c->incw = size.width_inc;

344 c->inch = size.height_inc;

345 }

346 else

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

348 if(c->flags & PMaxSize) {

349 c->maxw = size.max_width;

350 c->maxh = size.max_height;

351 }

352 else

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

354 if(c->flags & PMinSize) {

355 c->minw = size.min_width;

356 c->minh = size.min_height;

357 }

358 else

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

360 if(c->flags & PWinGravity)

361 c->grav = size.win_gravity;

362 else

363 c->grav = NorthWestGravity;

364 }

365

366 void

367 settitle(Client *c)

368 {

369 char **list = NULL;

370 int n;

371 XTextProperty name;

372

373 name.nitems = 0;

374 c->name[0] = 0;

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

376 if(!name.nitems)

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

378 if(!name.nitems)

379 return;

380 if(name.encoding == XA_STRING)

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

382 else {

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

384 && n > 0 && *list)

385 {

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

387 XFreeStringList(list);

388 }

389 }

390 XFree(name.value);

391 resizetitle(c);

392 }

393

394 void

395 togglemax(Arg *arg)

396 {

397 int ox, oy, ow, oh;

398 XEvent ev;

399

400 if(!sel)

401 return;

402

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

404 ox = sel->x;

405 oy = sel->y;

406 ow = sel->w;

407 oh = sel->h;

408 sel->x = sx;

409 sel->y = sy + bh;

410 sel->w = sw - 2;

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

412

413 higher(sel);

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

415

416 sel->x = ox;

417 sel->y = oy;

418 sel->w = ow;

419 sel->h = oh;

420 }

421 else

422 resize(sel, False, TopLeft);

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

424 }

425

426 void

427 unmanage(Client *c)

428 {

429 XGrabServer(dpy);

430 XSetErrorHandler(xerrordummy);

431

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

433 XDestroyWindow(dpy, c->title);

434

435 if(c->prev)

436 c->prev->next = c->next;

437 if(c->next)

438 c->next->prev = c->prev;

439 if(c == clients)

440 clients = c->next;

441 if(sel == c)

442 sel = getnext(clients);

443 free(c->tags);

444 free(c);

445

446 XSync(dpy, False);

447 XSetErrorHandler(xerror);

448 XUngrabServer(dpy);

449 arrange(NULL);

450 if(sel)

451 focus(sel);

452 }

453

454 void

455 zoom(Arg *arg)

456 {

457 Client *c;

458

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

460 return;

461

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

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

464 sel = c;

465 else

466 return;

467 }

468

469 /* pop */

470 sel->prev->next = sel->next;

471 if(sel->next)

472 sel->next->prev = sel->prev;

473 sel->prev = NULL;

474 clients->prev = sel;

475 sel->next = clients;

476 clients = sel;

477 arrange(NULL);

478 focus(sel);

479 }