aewl: 4bf79305d675 client.c

aewl

view client.c @ 380:4bf79305d675

this algorithm seems to keep order for any scenario

author	Anselm R. Garbe <arg@10kloc.org>
date	Tue, 29 Aug 2006 09:57:57 +0200
parents	b1159a638d0a
children	b00cc483d13b

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 grabbuttons(Client *c, Bool focus)

15 {

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

18 if(focus) {

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

20 GrabModeAsync, GrabModeSync, None, None);

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

22 GrabModeAsync, GrabModeSync, None, None);

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

24 GrabModeAsync, GrabModeSync, None, None);

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

26 GrabModeAsync, GrabModeSync, None, None);

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

29 GrabModeAsync, GrabModeSync, None, None);

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

31 GrabModeAsync, GrabModeSync, None, None);

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

33 GrabModeAsync, GrabModeSync, None, None);

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

35 GrabModeAsync, GrabModeSync, None, None);

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

38 GrabModeAsync, GrabModeSync, None, None);

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

40 GrabModeAsync, GrabModeSync, None, None);

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

42 GrabModeAsync, GrabModeSync, None, None);

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

44 GrabModeAsync, GrabModeSync, None, None);

45 }

46 else

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

48 GrabModeAsync, GrabModeSync, None, None);

50 }

52 static void

53 resizetitle(Client *c)

54 {

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

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

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

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

59 c->ty = c->y;

60 if(isvisible(c))

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

62 else

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

65 }

67 static int

68 xerrordummy(Display *dsply, XErrorEvent *ee)

69 {

70 return 0;

71 }

73 /* extern functions */

75 void

76 ban(Client *c)

77 {

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

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

80 }

82 void

83 focus(Client *c)

84 {

85 Client *old = sel;

87 if(!issel)

88 return;

89 if(!sel)

90 sel = c;

91 else if(sel != c) {

92 if(sel->ismax)

93 togglemax(NULL);

94 sel = c;

95 grabbuttons(old, False);

96 drawtitle(old);

97 }

98 grabbuttons(c, True);

99 drawtitle(c);

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

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->twin == 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 unsigned int i;

195 Client *c, *tc;

196 Window trans;

197 XSetWindowAttributes twa;

198

199 c = emallocz(sizeof(Client));

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

201 c->win = w;

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

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

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

205 c->h = wa->height;

206 c->th = bh;

207

208 c->border = 0;

209 setsize(c);

210

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

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

213 if(c->x < 0)

214 c->x = 0;

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

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

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

218 c->y = bh;

219

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

221 XSelectInput(dpy, c->win,

222 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

224 twa.override_redirect = 1;

225 twa.background_pixmap = ParentRelative;

226 twa.event_mask = ExposureMask | EnterWindowMask;

227

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

229 0, DefaultDepth(dpy, screen), CopyFromParent,

230 DefaultVisual(dpy, screen),

231 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

232

233 grabbuttons(c, False);

234 if((tc = getclient(trans))) /* inherit tags */

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

236 c->tags[i] = tc->tags[i];

237 else

238 settags(c);

239 if(!c->isfloat)

240 c->isfloat = trans

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

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

243

244 attach(c);

245

246 settitle(c);

247 if(isvisible(c))

248 sel = c;

249 arrange(NULL);

250 XMapWindow(dpy, c->win);

251 XMapWindow(dpy, c->twin);

252 if(isvisible(c))

253 focus(c);

254 }

255

256 void

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

258 {

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

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

261 XWindowChanges wc;

262

263 if(sizehints) {

264 if(c->incw)

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

266 if(c->inch)

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

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

269 c->w = c->minw;

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

271 c->h = c->minh;

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

273 c->w = c->maxw;

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

275 c->h = c->maxh;

276 }

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

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

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

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

281

282 resizetitle(c);

283 wc.x = c->x;

284 wc.y = c->y;

285 wc.width = c->w;

286 wc.height = c->h;

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

288 wc.border_width = 0;

289 else

290 wc.border_width = 1;

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

292 XSync(dpy, False);

293 }

294

295 void

296 setsize(Client *c)

297 {

298 long msize;

299 XSizeHints size;

300

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

302 size.flags = PSize;

303 c->flags = size.flags;

304 if(c->flags & PBaseSize) {

305 c->basew = size.base_width;

306 c->baseh = size.base_height;

307 }

308 else

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

310 if(c->flags & PResizeInc) {

311 c->incw = size.width_inc;

312 c->inch = size.height_inc;

313 }

314 else

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

316 if(c->flags & PMaxSize) {

317 c->maxw = size.max_width;

318 c->maxh = size.max_height;

319 }

320 else

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

322 if(c->flags & PMinSize) {

323 c->minw = size.min_width;

324 c->minh = size.min_height;

325 }

326 else

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

328 if(c->flags & PWinGravity)

329 c->grav = size.win_gravity;

330 else

331 c->grav = NorthWestGravity;

332 }

333

334 void

335 settitle(Client *c)

336 {

337 char **list = NULL;

338 int n;

339 XTextProperty name;

340

341 name.nitems = 0;

342 c->name[0] = 0;

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

344 if(!name.nitems)

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

346 if(!name.nitems)

347 return;

348 if(name.encoding == XA_STRING)

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

350 else {

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

352 && n > 0 && *list)

353 {

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

355 XFreeStringList(list);

356 }

357 }

358 XFree(name.value);

359 resizetitle(c);

360 }

361

362 void

363 togglemax(Arg *arg)

364 {

365 int ox, oy, ow, oh;

366 XEvent ev;

367

368 if(!sel)

369 return;

370

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

372 ox = sel->x;

373 oy = sel->y;

374 ow = sel->w;

375 oh = sel->h;

376 sel->x = sx;

377 sel->y = sy + bh;

378 sel->w = sw - 2;

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

380

381 restack();

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

383

384 sel->x = ox;

385 sel->y = oy;

386 sel->w = ow;

387 sel->h = oh;

388 }

389 else

390 resize(sel, False, TopLeft);

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

392 }

393

394 void

395 unmanage(Client *c)

396 {

397 Client *tc;

398 Window trans;

399 XGrabServer(dpy);

400 XSetErrorHandler(xerrordummy);

401

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

403

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

405 XDestroyWindow(dpy, c->twin);

406

407 detach(c);

408 if(sel == c) {

409 if(trans && (tc = getclient(trans)) && isvisible(tc))

410 sel = tc;

411 else

412 sel = getnext(clients);

413 }

414 free(c->tags);

415 free(c);

416

417 XSync(dpy, False);

418 XSetErrorHandler(xerror);

419 XUngrabServer(dpy);

420 if(sel)

421 focus(sel);

422 arrange(NULL);

423 }