aewl: 4dbdb61c8b8c client.c

aewl

view client.c @ 497:4dbdb61c8b8c

updated README

author	arg@mmvi
date	Tue, 26 Sep 2006 14:32:02 +0200
parents	de69a7b0c8fa
children	d5ad819f2a66

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 configure(Client *c) {

85 XEvent synev;

87 synev.type = ConfigureNotify;

88 synev.xconfigure.display = dpy;

89 synev.xconfigure.event = c->win;

90 synev.xconfigure.window = c->win;

91 synev.xconfigure.x = c->x;

92 synev.xconfigure.y = c->y;

93 synev.xconfigure.width = c->w;

94 synev.xconfigure.height = c->h;

95 synev.xconfigure.border_width = c->border;

96 synev.xconfigure.above = None;

97 XSendEvent(dpy, c->win, True, NoEventMask, &synev);

98 }

100 void

101 focus(Client *c) {

102 Client *old;

103

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

105 return;

106 if(!sel)

107 sel = c;

108 else if(sel != c) {

109 old = sel;

110 sel = c;

111 if(old) {

112 grabbuttons(old, False);

113 drawtitle(old);

114 }

115 }

116 if(c) {

117 detachstack(c);

118 c->snext = stack;

119 stack = c;

120 grabbuttons(c, True);

121 drawtitle(c);

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

123 }

124 else

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

126 }

127

128 Client *

129 getclient(Window w) {

130 Client *c;

131

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

133 if(c->win == w)

134 return c;

135 return NULL;

136 }

137

138 Client *

139 getctitle(Window w) {

140 Client *c;

141

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

143 if(c->twin == w)

144 return c;

145 return NULL;

146 }

147

148 void

149 gravitate(Client *c, Bool invert) {

150 int dx = 0, dy = 0;

151

152 switch(c->grav) {

153 default:

154 break;

155 case StaticGravity:

156 case NorthWestGravity:

157 case NorthGravity:

158 case NorthEastGravity:

159 dy = c->border;

160 break;

161 case EastGravity:

162 case CenterGravity:

163 case WestGravity:

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

165 break;

166 case SouthEastGravity:

167 case SouthGravity:

168 case SouthWestGravity:

169 dy = -(c->h);

170 break;

171 }

172

173 switch (c->grav) {

174 default:

175 break;

176 case StaticGravity:

177 case NorthWestGravity:

178 case WestGravity:

179 case SouthWestGravity:

180 dx = c->border;

181 break;

182 case NorthGravity:

183 case CenterGravity:

184 case SouthGravity:

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

186 break;

187 case NorthEastGravity:

188 case EastGravity:

189 case SouthEastGravity:

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

191 break;

192 }

193

194 if(invert) {

195 dx = -dx;

196 dy = -dy;

197 }

198 c->x += dx;

199 c->y += dy;

200 }

201

202 void

203 killclient(Arg *arg) {

204 if(!sel)

205 return;

206 if(sel->proto & PROTODELWIN)

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

208 else

209 XKillClient(dpy, sel->win);

210 }

211

212 void

213 manage(Window w, XWindowAttributes *wa) {

214 Client *c;

215 Window trans;

216 XSetWindowAttributes twa;

217

218 c = emallocz(sizeof(Client));

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

220 c->win = w;

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

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

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

224 c->h = wa->height;

225 c->th = bh;

226

227 c->border = 0;

228 updatesize(c);

229

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

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

232 if(c->x < 0)

233 c->x = 0;

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

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

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

237 c->y = bh;

238

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

240 XSelectInput(dpy, c->win,

241 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

243 twa.override_redirect = 1;

244 twa.background_pixmap = ParentRelative;

245 twa.event_mask = ExposureMask | EnterWindowMask;

246

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

248 0, DefaultDepth(dpy, screen), CopyFromParent,

249 DefaultVisual(dpy, screen),

250 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

251

252 grabbuttons(c, False);

253 settags(c, getclient(trans));

254 if(!c->isfloat)

255 c->isfloat = trans

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

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

258

259 if(clients)

260 clients->prev = c;

261 c->next = clients;

262 c->snext = stack;

263 stack = clients = c;

264

265 updatetitle(c);

266 ban(c);

267 XMapWindow(dpy, c->win);

268 XMapWindow(dpy, c->twin);

269 if(isvisible(c))

270 focus(c);

271 arrange(NULL);

272 }

273

274 void

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

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

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

278 XWindowChanges wc;

279

280 if(sizehints) {

281 if(c->incw)

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

283 if(c->inch)

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

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

286 c->w = c->minw;

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

288 c->h = c->minh;

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

290 c->w = c->maxw;

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

292 c->h = c->maxh;

293 }

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

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

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

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

298

299 /* offscreen appearance fixes */

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

301 c->x = 0;

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

303 c->y = bh;

304 if(c->x > sw)

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

306 if(c->y > sh)

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

308

309 resizetitle(c);

310 wc.x = c->x;

311 wc.y = c->y;

312 wc.width = c->w;

313 wc.height = c->h;

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

315 wc.border_width = 0;

316 else

317 wc.border_width = 1;

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

319 configure(c);

320 XSync(dpy, False);

321 }

322

323 void

324 updatesize(Client *c) {

325 long msize;

326 XSizeHints size;

327

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

329 size.flags = PSize;

330 c->flags = size.flags;

331 if(c->flags & PBaseSize) {

332 c->basew = size.base_width;

333 c->baseh = size.base_height;

334 }

335 else

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

337 if(c->flags & PResizeInc) {

338 c->incw = size.width_inc;

339 c->inch = size.height_inc;

340 }

341 else

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

343 if(c->flags & PMaxSize) {

344 c->maxw = size.max_width;

345 c->maxh = size.max_height;

346 }

347 else

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

349 if(c->flags & PMinSize) {

350 c->minw = size.min_width;

351 c->minh = size.min_height;

352 }

353 else

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

355 if(c->flags & PWinGravity)

356 c->grav = size.win_gravity;

357 else

358 c->grav = NorthWestGravity;

359 }

360

361 void

362 updatetitle(Client *c) {

363 char **list = NULL;

364 int n;

365 XTextProperty name;

366

367 name.nitems = 0;

368 c->name[0] = 0;

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

370 if(!name.nitems)

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

372 if(!name.nitems)

373 return;

374 if(name.encoding == XA_STRING)

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

376 else {

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

378 && n > 0 && *list)

379 {

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

381 XFreeStringList(list);

382 }

383 }

384 XFree(name.value);

385 resizetitle(c);

386 }

387

388 void

389 unmanage(Client *c) {

390 Client *nc;

391

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

393 XGrabServer(dpy);

394 XSetErrorHandler(xerrordummy);

395

396 detach(c);

397 detachstack(c);

398 if(sel == c) {

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

400 focus(nc);

401 }

402

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

404 XDestroyWindow(dpy, c->twin);

405

406 free(c->tags);

407 free(c);

408

409 XSync(dpy, False);

410 XSetErrorHandler(xerror);

411 XUngrabServer(dpy);

412 arrange(NULL);

413 }