dwm-meillo: 134804791d73 client.c

dwm-meillo

view client.c @ 283:134804791d73

added some flicker prevention

author	Anselm R.Garbe <arg@10ksloc.org>
date	Mon, 14 Aug 2006 16:37:55 +0200
parents	be40a56df248
children	ff501d94de62

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 if(isvisible(c))

266 sel = c;

267 arrange(NULL);

268 XMapWindow(dpy, c->win);

269 XMapWindow(dpy, c->title);

270 if(isvisible(c))

271 focus(c);

272 }

273

274 void

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

276 {

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

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

279 /*XConfigureEvent e;*/

280 XWindowChanges wc;

281

282 if(sizehints) {

283 if(c->incw)

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

285 if(c->inch)

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

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

288 c->w = c->minw;

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

290 c->h = c->minh;

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

292 c->w = c->maxw;

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

294 c->h = c->maxh;

295 }

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

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

298 if(c->y > bottom)

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

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

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

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

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

304

305 resizetitle(c);

306 wc.x = c->x;

307 wc.y = c->y;

308 wc.width = c->w;

309 wc.height = c->h;

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

311 wc.border_width = 0;

312 else

313 wc.border_width = 1;

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

315 XSync(dpy, False);

316 }

317

318 void

319 setsize(Client *c)

320 {

321 long msize;

322 XSizeHints size;

323

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

325 size.flags = PSize;

326 c->flags = size.flags;

327 if(c->flags & PBaseSize) {

328 c->basew = size.base_width;

329 c->baseh = size.base_height;

330 }

331 else

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

333 if(c->flags & PResizeInc) {

334 c->incw = size.width_inc;

335 c->inch = size.height_inc;

336 }

337 else

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

339 if(c->flags & PMaxSize) {

340 c->maxw = size.max_width;

341 c->maxh = size.max_height;

342 }

343 else

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

345 if(c->flags & PMinSize) {

346 c->minw = size.min_width;

347 c->minh = size.min_height;

348 }

349 else

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

351 if(c->flags & PWinGravity)

352 c->grav = size.win_gravity;

353 else

354 c->grav = NorthWestGravity;

355 }

356

357 void

358 settitle(Client *c)

359 {

360 char **list = NULL;

361 int n;

362 XTextProperty name;

363

364 name.nitems = 0;

365 c->name[0] = 0;

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

367 if(!name.nitems)

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

369 if(!name.nitems)

370 return;

371 if(name.encoding == XA_STRING)

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

373 else {

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

375 && n > 0 && *list)

376 {

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

378 XFreeStringList(list);

379 }

380 }

381 XFree(name.value);

382 resizetitle(c);

383 }

384

385 void

386 togglemax(Arg *arg)

387 {

388 int ox, oy, ow, oh;

389 XEvent ev;

390

391 if(!sel)

392 return;

393

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

395 ox = sel->x;

396 oy = sel->y;

397 ow = sel->w;

398 oh = sel->h;

399 sel->x = sx;

400 sel->y = sy + bh;

401 sel->w = sw - 2;

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

403

404 restack();

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

406

407 sel->x = ox;

408 sel->y = oy;

409 sel->w = ow;

410 sel->h = oh;

411 }

412 else

413 resize(sel, False, TopLeft);

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

415 }

416

417 void

418 unmanage(Client *c)

419 {

420 XGrabServer(dpy);

421 XSetErrorHandler(xerrordummy);

422

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

424 XDestroyWindow(dpy, c->title);

425

426 if(c->prev)

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

428 if(c->next)

429 c->next->prev = c->prev;

430 if(c == clients)

431 clients = c->next;

432 if(sel == c)

433 sel = getnext(clients);

434 free(c->tags);

435 free(c);

436

437 XSync(dpy, False);

438 XSetErrorHandler(xerror);

439 XUngrabServer(dpy);

440 if(sel)

441 focus(sel);

442 arrange(NULL);

443 }

444

445 void

446 zoom(Arg *arg)

447 {

448 Client *c;

449

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

451 return;

452

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

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

455 sel = c;

456 else

457 return;

458 }

459

460 /* pop */

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

462 if(sel->next)

463 sel->next->prev = sel->prev;

464 sel->prev = NULL;

465 clients->prev = sel;

466 sel->next = clients;

467 clients = sel;

468 focus(sel);

469 arrange(NULL);

470 }