dwm-meillo: 0dfa6b752aed client.c

dwm-meillo

view client.c @ 510:0dfa6b752aed

small fix of a corner case

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 29 Sep 2006 16:54:15 +0200
parents	d5ad819f2a66
children	2b4bd49fc155

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 int

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

59 return 0;

60 }

62 /* extern functions */

64 void

65 ban(Client *c) {

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

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

68 }

70 void

71 configure(Client *c) {

72 XEvent synev;

74 synev.type = ConfigureNotify;

75 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

83 synev.xconfigure.above = None;

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

85 }

87 void

88 focus(Client *c) {

89 Client *old;

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

92 return;

93 if(!sel)

94 sel = c;

95 else if(sel != c) {

96 old = sel;

97 sel = c;

98 if(old) {

99 grabbuttons(old, False);

100 drawtitle(old);

101 }

102 }

103 if(c) {

104 detachstack(c);

105 c->snext = stack;

106 stack = c;

107 grabbuttons(c, True);

108 drawtitle(c);

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

110 }

111 else

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

113 }

114

115 Client *

116 getclient(Window w) {

117 Client *c;

118

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

120 if(c->win == w)

121 return c;

122 return NULL;

123 }

124

125 Client *

126 getctitle(Window w) {

127 Client *c;

128

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

130 if(c->twin == w)

131 return c;

132 return NULL;

133 }

134

135 void

136 gravitate(Client *c, Bool invert) {

137 int dx = 0, dy = 0;

138

139 switch(c->grav) {

140 default:

141 break;

142 case StaticGravity:

143 case NorthWestGravity:

144 case NorthGravity:

145 case NorthEastGravity:

146 dy = c->border;

147 break;

148 case EastGravity:

149 case CenterGravity:

150 case WestGravity:

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

152 break;

153 case SouthEastGravity:

154 case SouthGravity:

155 case SouthWestGravity:

156 dy = -(c->h);

157 break;

158 }

159

160 switch (c->grav) {

161 default:

162 break;

163 case StaticGravity:

164 case NorthWestGravity:

165 case WestGravity:

166 case SouthWestGravity:

167 dx = c->border;

168 break;

169 case NorthGravity:

170 case CenterGravity:

171 case SouthGravity:

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

173 break;

174 case NorthEastGravity:

175 case EastGravity:

176 case SouthEastGravity:

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

178 break;

179 }

180

181 if(invert) {

182 dx = -dx;

183 dy = -dy;

184 }

185 c->x += dx;

186 c->y += dy;

187 }

188

189 void

190 killclient(Arg *arg) {

191 if(!sel)

192 return;

193 if(sel->proto & PROTODELWIN)

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

195 else

196 XKillClient(dpy, sel->win);

197 }

198

199 void

200 manage(Window w, XWindowAttributes *wa) {

201 Client *c;

202 Window trans;

203 XSetWindowAttributes twa;

204

205 c = emallocz(sizeof(Client));

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

207 c->win = w;

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

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

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

211 c->h = wa->height;

212 c->th = bh;

213

214 c->border = 0;

215 updatesize(c);

216

217 if(c->x + c->w + 2 * BORDERPX > sw)

218 c->x = sw - c->w - 2 * BORDERPX;

219 if(c->x < 0)

220 c->x = 0;

221 if(c->y + c->h + 2 * BORDERPX > sh)

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

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

224 c->y = bh;

225

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

227 XSelectInput(dpy, c->win,

228 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

230 twa.override_redirect = 1;

231 twa.background_pixmap = ParentRelative;

232 twa.event_mask = ExposureMask | EnterWindowMask;

233

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

235 0, DefaultDepth(dpy, screen), CopyFromParent,

236 DefaultVisual(dpy, screen),

237 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

238

239 grabbuttons(c, False);

240 updatetitle(c);

241 settags(c, getclient(trans));

242 if(!c->isfloat)

243 c->isfloat = trans

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

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

246 resizetitle(c);

247

248 if(clients)

249 clients->prev = c;

250 c->next = clients;

251 c->snext = stack;

252 stack = clients = c;

253

254 ban(c);

255 XMapWindow(dpy, c->win);

256 XMapWindow(dpy, c->twin);

257 if(isvisible(c))

258 focus(c);

259 arrange(NULL);

260 }

261

262 void

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

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

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

266 XWindowChanges wc;

267

268 if(sizehints) {

269 if(c->incw)

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

271 if(c->inch)

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

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

274 c->w = c->minw;

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

276 c->h = c->minh;

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

278 c->w = c->maxw;

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

280 c->h = c->maxh;

281 }

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

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

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

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

286

287 /* offscreen appearance fixes */

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

289 c->x = 0;

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

291 c->y = bh;

292 if(c->x > sw)

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

294 if(c->y > sh)

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

296

297 resizetitle(c);

298 wc.x = c->x;

299 wc.y = c->y;

300 wc.width = c->w;

301 wc.height = c->h;

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

303 wc.border_width = 0;

304 else

305 wc.border_width = BORDERPX;

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

307 configure(c);

308 XSync(dpy, False);

309 }

310

311 void

312 resizetitle(Client *c) {

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

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

315 c->tw = c->w + 2 * BORDERPX;

316 c->tx = c->x + c->w - c->tw + 2 * BORDERPX;

317 c->ty = c->y;

318 if(isvisible(c))

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

320 else

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

322 }

323

324 void

325 updatesize(Client *c) {

326 long msize;

327 XSizeHints size;

328

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

330 size.flags = PSize;

331 c->flags = size.flags;

332 if(c->flags & PBaseSize) {

333 c->basew = size.base_width;

334 c->baseh = size.base_height;

335 }

336 else

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

338 if(c->flags & PResizeInc) {

339 c->incw = size.width_inc;

340 c->inch = size.height_inc;

341 }

342 else

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

344 if(c->flags & PMaxSize) {

345 c->maxw = size.max_width;

346 c->maxh = size.max_height;

347 }

348 else

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

350 if(c->flags & PMinSize) {

351 c->minw = size.min_width;

352 c->minh = size.min_height;

353 }

354 else

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

356 if(c->flags & PWinGravity)

357 c->grav = size.win_gravity;

358 else

359 c->grav = NorthWestGravity;

360 }

361

362 void

363 updatetitle(Client *c) {

364 char **list = NULL;

365 int n;

366 XTextProperty name;

367

368 name.nitems = 0;

369 c->name[0] = 0;

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

371 if(!name.nitems)

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

373 if(!name.nitems)

374 return;

375 if(name.encoding == XA_STRING)

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

377 else {

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

379 && n > 0 && *list)

380 {

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

382 XFreeStringList(list);

383 }

384 }

385 XFree(name.value);

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 }