dwm-meillo: be4f90c03582 client.c

dwm-meillo

view client.c @ 487:be4f90c03582

applied Jukkas patch

author	arg@mmvi
date	Mon, 25 Sep 2006 08:21:51 +0200
parents	2d8af0d7920d
children	12395ef46d97

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 old = sel;

93 sel = c;

94 if(old) {

95 grabbuttons(old, False);

96 drawtitle(old);

97 }

98 }

99 if(c) {

100 detachstack(c);

101 c->snext = stack;

102 stack = c;

103 grabbuttons(c, True);

104 drawtitle(c);

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

106 }

107 else

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

109 }

110

111 Client *

112 getclient(Window w) {

113 Client *c;

114

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

116 if(c->win == w)

117 return c;

118 return NULL;

119 }

120

121 Client *

122 getctitle(Window w) {

123 Client *c;

124

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

126 if(c->twin == w)

127 return c;

128 return NULL;

129 }

130

131 void

132 gravitate(Client *c, Bool invert) {

133 int dx = 0, dy = 0;

134

135 switch(c->grav) {

136 default:

137 break;

138 case StaticGravity:

139 case NorthWestGravity:

140 case NorthGravity:

141 case NorthEastGravity:

142 dy = c->border;

143 break;

144 case EastGravity:

145 case CenterGravity:

146 case WestGravity:

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

148 break;

149 case SouthEastGravity:

150 case SouthGravity:

151 case SouthWestGravity:

152 dy = -(c->h);

153 break;

154 }

155

156 switch (c->grav) {

157 default:

158 break;

159 case StaticGravity:

160 case NorthWestGravity:

161 case WestGravity:

162 case SouthWestGravity:

163 dx = c->border;

164 break;

165 case NorthGravity:

166 case CenterGravity:

167 case SouthGravity:

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

169 break;

170 case NorthEastGravity:

171 case EastGravity:

172 case SouthEastGravity:

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

174 break;

175 }

176

177 if(invert) {

178 dx = -dx;

179 dy = -dy;

180 }

181 c->x += dx;

182 c->y += dy;

183 }

184

185 void

186 killclient(Arg *arg) {

187 if(!sel)

188 return;

189 if(sel->proto & PROTODELWIN)

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

191 else

192 XKillClient(dpy, sel->win);

193 }

194

195 void

196 manage(Window w, XWindowAttributes *wa) {

197 Client *c;

198 Window trans;

199 XSetWindowAttributes twa;

200

201 c = emallocz(sizeof(Client));

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

203 c->win = w;

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

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

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

207 c->h = wa->height;

208 c->th = bh;

209

210 c->border = 0;

211 updatesize(c);

212

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

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

215 if(c->x < 0)

216 c->x = 0;

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

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

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

220 c->y = bh;

221

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

223 XSelectInput(dpy, c->win,

224 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

226 twa.override_redirect = 1;

227 twa.background_pixmap = ParentRelative;

228 twa.event_mask = ExposureMask | EnterWindowMask;

229

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

231 0, DefaultDepth(dpy, screen), CopyFromParent,

232 DefaultVisual(dpy, screen),

233 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

234

235 grabbuttons(c, False);

236 settags(c, getclient(trans));

237 if(!c->isfloat)

238 c->isfloat = trans

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

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

241

242 if(clients)

243 clients->prev = c;

244 c->next = clients;

245 c->snext = stack;

246 stack = clients = c;

247

248 updatetitle(c);

249 ban(c);

250 XMapWindow(dpy, c->win);

251 XMapWindow(dpy, c->twin);

252 if(isvisible(c))

253 focus(c);

254 arrange(NULL);

255 }

256

257 void

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

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 /* offscreen appearance fixes */

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

284 c->x = 0;

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

286 c->y = bh;

287 if(c->x > sw)

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

289 if(c->y > sh)

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

291

292 resizetitle(c);

293 wc.x = c->x;

294 wc.y = c->y;

295 wc.width = c->w;

296 wc.height = c->h;

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

298 wc.border_width = 0;

299 else

300 wc.border_width = 1;

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

302 XSync(dpy, False);

303 }

304

305 void

306 updatesize(Client *c) {

307 long msize;

308 XSizeHints size;

309

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

311 size.flags = PSize;

312 c->flags = size.flags;

313 if(c->flags & PBaseSize) {

314 c->basew = size.base_width;

315 c->baseh = size.base_height;

316 }

317 else

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

319 if(c->flags & PResizeInc) {

320 c->incw = size.width_inc;

321 c->inch = size.height_inc;

322 }

323 else

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

325 if(c->flags & PMaxSize) {

326 c->maxw = size.max_width;

327 c->maxh = size.max_height;

328 }

329 else

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

331 if(c->flags & PMinSize) {

332 c->minw = size.min_width;

333 c->minh = size.min_height;

334 }

335 else

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

337 if(c->flags & PWinGravity)

338 c->grav = size.win_gravity;

339 else

340 c->grav = NorthWestGravity;

341 }

342

343 void

344 updatetitle(Client *c) {

345 char **list = NULL;

346 int n;

347 XTextProperty name;

348

349 name.nitems = 0;

350 c->name[0] = 0;

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

352 if(!name.nitems)

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

354 if(!name.nitems)

355 return;

356 if(name.encoding == XA_STRING)

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

358 else {

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

360 && n > 0 && *list)

361 {

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

363 XFreeStringList(list);

364 }

365 }

366 XFree(name.value);

367 resizetitle(c);

368 }

369

370 void

371 unmanage(Client *c) {

372 Client *nc;

373

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

375 XGrabServer(dpy);

376 XSetErrorHandler(xerrordummy);

377

378 detach(c);

379 detachstack(c);

380 if(sel == c) {

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

382 focus(nc);

383 }

384

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

386 XDestroyWindow(dpy, c->twin);

387

388 free(c->tags);

389 free(c);

390

391 XSync(dpy, False);

392 XSetErrorHandler(xerror);

393 XUngrabServer(dpy);

394 arrange(NULL);

395 }