aewl: b819a4ac987e client.c

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view client.c @ 117:b819a4ac987e

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author	arg@10ksloc.org
date	Thu, 20 Jul 2006 10:10:58 +0200
parents	dfa5cd0969a6
children	61490330e90a

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

74 c = getnext(clients, tsel);

75 if(c) {

76 higher(c);

77 c->revert = sel;

78 focus(c);

79 }

80 }

82 void

83 focusprev(Arg *arg)

84 {

85 Client *c;

87 if(!sel)

88 return;

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

91 higher(c);

92 focus(c);

93 }

94 }

96 Client *

97 getclient(Window w)

98 {

99 Client *c;

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

101 if(c->win == w)

102 return c;

103 return NULL;

104 }

105

106 Client *

107 getctitle(Window w)

108 {

109 Client *c;

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

111 if(c->title == w)

112 return c;

113 return NULL;

114 }

115

116 void

117 gravitate(Client *c, Bool invert)

118 {

119 int dx = 0, dy = 0;

120

121 switch(c->grav) {

122 case StaticGravity:

123 case NorthWestGravity:

124 case NorthGravity:

125 case NorthEastGravity:

126 dy = c->border;

127 break;

128 case EastGravity:

129 case CenterGravity:

130 case WestGravity:

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

132 break;

133 case SouthEastGravity:

134 case SouthGravity:

135 case SouthWestGravity:

136 dy = -(c->h);

137 break;

138 default:

139 break;

140 }

141

142 switch (c->grav) {

143 case StaticGravity:

144 case NorthWestGravity:

145 case WestGravity:

146 case SouthWestGravity:

147 dx = c->border;

148 break;

149 case NorthGravity:

150 case CenterGravity:

151 case SouthGravity:

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

153 break;

154 case NorthEastGravity:

155 case EastGravity:

156 case SouthEastGravity:

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

158 break;

159 default:

160 break;

161 }

162

163 if(invert) {

164 dx = -dx;

165 dy = -dy;

166 }

167 c->x += dx;

168 c->y += dy;

169 }

170

171 void

172 higher(Client *c)

173 {

174 XRaiseWindow(dpy, c->win);

175 XRaiseWindow(dpy, c->title);

176 }

177

178 void

179 killclient(Arg *arg)

180 {

181 if(!sel)

182 return;

183 if(sel->proto & WM_PROTOCOL_DELWIN)

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

185 else

186 XKillClient(dpy, sel->win);

187 }

188

189 void

190 lower(Client *c)

191 {

192 XLowerWindow(dpy, c->title);

193 XLowerWindow(dpy, c->win);

194 }

195

196 void

197 manage(Window w, XWindowAttributes *wa)

198 {

199 int diff;

200 Client *c;

201 XSetWindowAttributes twa;

202 Window trans;

203

204 c = emallocz(sizeof(Client));

205 c->win = w;

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

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

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

209 c->h = wa->height;

210 c->th = bh;

211

212 if(c->y < bh)

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

214

215 c->border = 1;

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

217 setsize(c);

218 XSelectInput(dpy, c->win,

219 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

221 twa.override_redirect = 1;

222 twa.background_pixmap = ParentRelative;

223 twa.event_mask = ExposureMask;

224

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

226 0, DefaultDepth(dpy, screen), CopyFromParent,

227 DefaultVisual(dpy, screen),

228 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

229

230 settags(c);

231

232 c->next = clients;

233 clients = c;

234

235 XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,

236 GrabModeAsync, GrabModeSync, None, None);

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

238 GrabModeAsync, GrabModeSync, None, None);

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

240 GrabModeAsync, GrabModeSync, None, None);

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

242 GrabModeAsync, GrabModeSync, None, None);

243

244 if(!c->isfloat)

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

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

247

248

249 settitle(c);

250 arrange(NULL);

251

252 /* mapping the window now prevents flicker */

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

254 XMapRaised(dpy, c->win);

255 XMapRaised(dpy, c->title);

256 focus(c);

257 }

258 else {

259 XMapRaised(dpy, c->win);

260 XMapRaised(dpy, c->title);

261 }

262 }

263

264 void

265 maximize(Arg *arg)

266 {

267 if(!sel)

268 return;

269 sel->x = sx;

270 sel->y = sy + bh;

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

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

273 higher(sel);

274 resize(sel, False, TopLeft);

275 }

276

277 void

278 pop(Client *c)

279 {

280 Client **l;

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

282 *l = c->next;

283

284 c->next = clients; /* pop */

285 clients = c;

286 arrange(NULL);

287 }

288

289 void

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

291 {

292 XConfigureEvent e;

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

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

295

296 if(inc) {

297 if(c->incw)

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

299 if(c->inch)

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

301 }

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

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

304 if(c->y > sh)

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

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

307 c->w = c->minw;

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

309 c->h = c->minh;

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

311 c->w = c->maxw;

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

313 c->h = c->maxh;

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

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

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

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

318

319 resizetitle(c);

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

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

322

323 e.type = ConfigureNotify;

324 e.event = c->win;

325 e.window = c->win;

326 e.x = c->x;

327 e.y = c->y;

328 e.width = c->w;

329 e.height = c->h;

330 e.border_width = c->border;

331 e.above = None;

332 e.override_redirect = False;

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

334 XSync(dpy, False);

335 }

336

337 void

338 setsize(Client *c)

339 {

340 XSizeHints size;

341 long msize;

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

343 size.flags = PSize;

344 c->flags = size.flags;

345 if(c->flags & PBaseSize) {

346 c->basew = size.base_width;

347 c->baseh = size.base_height;

348 }

349 else

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

351 if(c->flags & PResizeInc) {

352 c->incw = size.width_inc;

353 c->inch = size.height_inc;

354 }

355 else

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

357 if(c->flags & PMaxSize) {

358 c->maxw = size.max_width;

359 c->maxh = size.max_height;

360 }

361 else

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

363 if(c->flags & PMinSize) {

364 c->minw = size.min_width;

365 c->minh = size.min_height;

366 }

367 else

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

369 if(c->flags & PWinGravity)

370 c->grav = size.win_gravity;

371 else

372 c->grav = NorthWestGravity;

373 }

374

375 void

376 settitle(Client *c)

377 {

378 XTextProperty name;

379 int n;

380 char **list = NULL;

381

382 name.nitems = 0;

383 c->name[0] = 0;

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

385 if(!name.nitems)

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

387 if(!name.nitems)

388 return;

389 if(name.encoding == XA_STRING)

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

391 else {

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

393 && n > 0 && *list)

394 {

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

396 XFreeStringList(list);

397 }

398 }

399 XFree(name.value);

400 resizetitle(c);

401 }

402

403 void

404 unmanage(Client *c)

405 {

406 Client **l;

407

408 XGrabServer(dpy);

409 XSetErrorHandler(xerrordummy);

410

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

412 XDestroyWindow(dpy, c->title);

413

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

415 *l = c->next;

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

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

418 (*l)->revert = NULL;

419 if(sel == c)

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

421

422 free(c);

423

424 XSync(dpy, False);

425 XSetErrorHandler(xerror);

426 XUngrabServer(dpy);

427 arrange(NULL);

428 if(sel)

429 focus(sel);

430 }

431

432 void

433 zoom(Arg *arg)

434 {

435 Client *c;

436

437 if(!sel)

438 return;

439

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

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

442 sel = c;

443 }

444

445 pop(sel);

446 focus(sel);

447 }