aewl: 298be2d65d2e client.c

aewl

view client.c @ 472:298be2d65d2e

reviewed client.c

author	arg@mmvi
date	Wed, 20 Sep 2006 09:53:21 +0200
parents	590575d080fe
children	2d8af0d7920d

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 detachstack(Client *c) {

15 Client **tc;

16 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);

17 *tc = c->snext;

18 }

20 static void

21 grabbuttons(Client *c, Bool focused) {

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

24 if(focused) {

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

26 GrabModeAsync, GrabModeSync, None, None);

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

28 GrabModeAsync, GrabModeSync, None, None);

29 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,

30 GrabModeAsync, GrabModeSync, None, None);

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

32 GrabModeAsync, GrabModeSync, None, None);

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

35 GrabModeAsync, GrabModeSync, None, None);

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

37 GrabModeAsync, GrabModeSync, None, None);

38 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,

39 GrabModeAsync, GrabModeSync, None, None);

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

41 GrabModeAsync, GrabModeSync, None, None);

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

44 GrabModeAsync, GrabModeSync, None, None);

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

46 GrabModeAsync, GrabModeSync, None, None);

47 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,

48 GrabModeAsync, GrabModeSync, None, None);

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

50 GrabModeAsync, GrabModeSync, None, None);

51 }

52 else

53 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,

54 GrabModeAsync, GrabModeSync, None, None);

55 }

57 static void

58 resizetitle(Client *c) {

59 c->tw = textw(c->name);

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

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

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

63 c->ty = c->y;

64 if(isvisible(c))

65 XMoveResizeWindow(dpy, c->twin, c->tx, c->ty, c->tw, c->th);

66 else

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

68 }

70 static int

71 xerrordummy(Display *dsply, XErrorEvent *ee) {

72 return 0;

73 }

75 /* extern functions */

77 void

78 ban(Client *c) {

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

80 XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);

81 }

83 void

84 focus(Client *c) {

85 Client *old;

87 if(!issel || (c && !isvisible(c)))

88 return;

89 if(!sel)

90 sel = c;

91 else if(sel != c) {

92 if(maximized)

93 togglemax(NULL);

94 old = sel;

95 sel = c;

96 if(old) {

97 grabbuttons(old, False);

98 drawtitle(old);

99 }

100 }

101 if(c) {

102 detachstack(c);

103 c->snext = stack;

104 stack = c;

105 grabbuttons(c, True);

106 drawtitle(c);

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

108 }

109 else

110 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);

111 }

112

113 Client *

114 getclient(Window w) {

115 Client *c;

116

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

118 if(c->win == w)

119 return c;

120 return NULL;

121 }

122

123 Client *

124 getctitle(Window w) {

125 Client *c;

126

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

128 if(c->twin == w)

129 return c;

130 return NULL;

131 }

132

133 void

134 gravitate(Client *c, Bool invert) {

135 int dx = 0, dy = 0;

136

137 switch(c->grav) {

138 default:

139 break;

140 case StaticGravity:

141 case NorthWestGravity:

142 case NorthGravity:

143 case NorthEastGravity:

144 dy = c->border;

145 break;

146 case EastGravity:

147 case CenterGravity:

148 case WestGravity:

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

150 break;

151 case SouthEastGravity:

152 case SouthGravity:

153 case SouthWestGravity:

154 dy = -(c->h);

155 break;

156 }

157

158 switch (c->grav) {

159 default:

160 break;

161 case StaticGravity:

162 case NorthWestGravity:

163 case WestGravity:

164 case SouthWestGravity:

165 dx = c->border;

166 break;

167 case NorthGravity:

168 case CenterGravity:

169 case SouthGravity:

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

171 break;

172 case NorthEastGravity:

173 case EastGravity:

174 case SouthEastGravity:

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

176 break;

177 }

178

179 if(invert) {

180 dx = -dx;

181 dy = -dy;

182 }

183 c->x += dx;

184 c->y += dy;

185 }

186

187 void

188 killclient(Arg *arg) {

189 if(!sel)

190 return;

191 if(sel->proto & PROTODELWIN)

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

193 else

194 XKillClient(dpy, sel->win);

195 }

196

197 void

198 manage(Window w, XWindowAttributes *wa) {

199 Client *c;

200 Window trans;

201 XSetWindowAttributes twa;

202

203 c = emallocz(sizeof(Client));

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

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 c->border = 0;

213 updatesize(c);

214

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

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

217 if(c->x < 0)

218 c->x = 0;

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

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

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

222 c->y = bh;

223

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

225 XSelectInput(dpy, c->win,

226 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

228 twa.override_redirect = 1;

229 twa.background_pixmap = ParentRelative;

230 twa.event_mask = ExposureMask | EnterWindowMask;

231

232 c->twin = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,

233 0, DefaultDepth(dpy, screen), CopyFromParent,

234 DefaultVisual(dpy, screen),

235 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

236

237 grabbuttons(c, False);

238 settags(c, getclient(trans));

239 if(!c->isfloat)

240 c->isfloat = trans

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

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

243

244 if(clients)

245 clients->prev = c;

246 c->next = clients;

247 c->snext = stack;

248 stack = clients = c;

249

250 updatetitle(c);

251 ban(c);

252 XMapWindow(dpy, c->win);

253 XMapWindow(dpy, c->twin);

254 if(isvisible(c))

255 focus(c);

256 arrange(NULL);

257 }

258

259 void

260 resize(Client *c, Bool sizehints, Corner sticky) {

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

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

263 XWindowChanges wc;

264

265 if(sizehints) {

266 if(c->incw)

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

268 if(c->inch)

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

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

271 c->w = c->minw;

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

273 c->h = c->minh;

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

275 c->w = c->maxw;

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

277 c->h = c->maxh;

278 }

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

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

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

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

283

284 /* offscreen appearance fixes */

285 if(c->x + c->w < 0)

286 c->x = 0;

287 if(c->y + c->h < bh)

288 c->y = bh;

289 if(c->x > sw)

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

291 if(c->y > sh)

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

293

294 resizetitle(c);

295 wc.x = c->x;

296 wc.y = c->y;

297 wc.width = c->w;

298 wc.height = c->h;

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

300 wc.border_width = 0;

301 else

302 wc.border_width = 1;

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

304 XSync(dpy, False);

305 }

306

307 void

308 updatesize(Client *c) {

309 long msize;

310 XSizeHints size;

311

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

313 size.flags = PSize;

314 c->flags = size.flags;

315 if(c->flags & PBaseSize) {

316 c->basew = size.base_width;

317 c->baseh = size.base_height;

318 }

319 else

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

321 if(c->flags & PResizeInc) {

322 c->incw = size.width_inc;

323 c->inch = size.height_inc;

324 }

325 else

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

327 if(c->flags & PMaxSize) {

328 c->maxw = size.max_width;

329 c->maxh = size.max_height;

330 }

331 else

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

333 if(c->flags & PMinSize) {

334 c->minw = size.min_width;

335 c->minh = size.min_height;

336 }

337 else

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

339 if(c->flags & PWinGravity)

340 c->grav = size.win_gravity;

341 else

342 c->grav = NorthWestGravity;

343 }

344

345 void

346 updatetitle(Client *c) {

347 char **list = NULL;

348 int n;

349 XTextProperty name;

350

351 name.nitems = 0;

352 c->name[0] = 0;

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

354 if(!name.nitems)

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

356 if(!name.nitems)

357 return;

358 if(name.encoding == XA_STRING)

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

360 else {

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

362 && n > 0 && *list)

363 {

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

365 XFreeStringList(list);

366 }

367 }

368 XFree(name.value);

369 resizetitle(c);

370 }

371

372 void

373 togglemax(Arg *arg) {

374 int ox, oy, ow, oh;

375 Client *c;

376 XEvent ev;

377

378 if(!sel)

379 return;

380

381 if((maximized = !maximized)) {

382 ox = sel->x;

383 oy = sel->y;

384 ow = sel->w;

385 oh = sel->h;

386 sel->x = sx;

387 sel->y = sy + bh;

388 sel->w = sw - 2;

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

390

391 restack();

392 for(c = getnext(clients); c; c = getnext(c->next))

393 if(c != sel)

394 ban(c);

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

396

397 sel->x = ox;

398 sel->y = oy;

399 sel->w = ow;

400 sel->h = oh;

401 }

402 else

403 arrange(NULL);

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

405 }

406

407 void

408 unmanage(Client *c) {

409 Client *nc;

410

411 /* The server grab construct avoids race conditions. */

412 XGrabServer(dpy);

413 XSetErrorHandler(xerrordummy);

414

415 detach(c);

416 detachstack(c);

417 if(sel == c) {

418 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);

419 focus(nc);

420 }

421

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

423 XDestroyWindow(dpy, c->twin);

424

425 free(c->tags);

426 free(c);

427

428 XSync(dpy, False);

429 XSetErrorHandler(xerror);

430 XUngrabServer(dpy);

431 arrange(NULL);

432 }