aewl: 44b5617c78b3 client.c

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view client.c @ 606:44b5617c78b3

and the winner is

author	arg@mig29
date	Fri, 01 Dec 2006 17:45:27 +0100
parents	787f6ae02f29
children	a75123ef4b5f

line source

1 /* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>

2 * See LICENSE file for license details.

3 */

4 #include "dwm.h"

5 #include <stdlib.h>

6 #include <string.h>

7 #include <X11/Xatom.h>

8 #include <X11/Xutil.h>

10 /* static functions */

12 static void

13 detachstack(Client *c) {

14 Client **tc;

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

16 *tc = c->snext;

17 }

19 static void

20 grabbuttons(Client *c, Bool focused) {

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

23 if(focused) {

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

25 GrabModeAsync, GrabModeSync, None, None);

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

27 GrabModeAsync, GrabModeSync, None, None);

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

29 GrabModeAsync, GrabModeSync, None, None);

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

31 GrabModeAsync, GrabModeSync, None, None);

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

34 GrabModeAsync, GrabModeSync, None, None);

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

36 GrabModeAsync, GrabModeSync, None, None);

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

38 GrabModeAsync, GrabModeSync, None, None);

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

40 GrabModeAsync, GrabModeSync, None, None);

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

43 GrabModeAsync, GrabModeSync, None, None);

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

45 GrabModeAsync, GrabModeSync, None, None);

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

47 GrabModeAsync, GrabModeSync, None, None);

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

49 GrabModeAsync, GrabModeSync, None, None);

50 }

51 else

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

53 GrabModeAsync, GrabModeSync, None, None);

54 }

56 static int

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

58 return 0;

59 }

61 /* extern functions */

63 void

64 ban(Client *c) {

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

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

67 }

69 void

70 configure(Client *c) {

71 XEvent synev;

73 synev.type = ConfigureNotify;

74 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

82 synev.xconfigure.above = None;

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

84 }

86 void

87 focus(Client *c) {

88 Client *old;

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

91 return;

92 if(!sel)

93 sel = c;

94 else if(sel != c) {

95 old = sel;

96 sel = c;

97 if(old) {

98 grabbuttons(old, False);

99 drawtitle(old);

100 }

101 }

102 if(c) {

103 detachstack(c);

104 c->snext = stack;

105 stack = c;

106 grabbuttons(c, True);

107 drawtitle(c);

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

109 }

110 else

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

112 }

113

114 Client *

115 getclient(Window w) {

116 Client *c;

117

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

119 if(c->win == w)

120 return c;

121 return NULL;

122 }

123

124 Client *

125 getctitle(Window w) {

126 Client *c;

127

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

129 if(c->twin == w)

130 return c;

131 return NULL;

132 }

133

134 void

135 gravitate(Client *c, Bool invert) {

136 int dx = 0, dy = 0;

137

138 switch(c->grav) {

139 default:

140 break;

141 case StaticGravity:

142 case NorthWestGravity:

143 case NorthGravity:

144 case NorthEastGravity:

145 dy = c->border;

146 break;

147 case EastGravity:

148 case CenterGravity:

149 case WestGravity:

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

151 break;

152 case SouthEastGravity:

153 case SouthGravity:

154 case SouthWestGravity:

155 dy = -(c->h);

156 break;

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 if(invert) {

179 dx = -dx;

180 dy = -dy;

181 }

182 c->x += dx;

183 c->y += dy;

184 }

185

186 void

187 killclient(Arg *arg) {

188 if(!sel)

189 return;

190 if(sel->proto & PROTODELWIN)

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

192 else

193 XKillClient(dpy, sel->win);

194 }

195

196 void

197 manage(Window w, XWindowAttributes *wa) {

198 Client *c;

199 Window trans;

200 XSetWindowAttributes twa;

201

202 c = emallocz(sizeof(Client));

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

204 c->win = w;

205 c->border = 0;

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 updatesize(c);

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

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

214 if(c->x < sx)

215 c->x = sx;

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

217 c->y = sh - c->h - 2 * BORDERPX;

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

219 c->y = bh;

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

228 0, DefaultDepth(dpy, screen), CopyFromParent,

229 DefaultVisual(dpy, screen),

230 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

231 grabbuttons(c, False);

232 updatetitle(c);

233 settags(c, getclient(trans));

234 if(!c->isfloat)

235 c->isfloat = trans || c->isfixed;

236 resizetitle(c);

237 if(clients)

238 clients->prev = c;

239 c->next = clients;

240 c->snext = stack;

241 stack = clients = c;

242 ban(c);

243 XMapWindow(dpy, c->win);

244 XMapWindow(dpy, c->twin);

245 if(isvisible(c))

246 focus(c);

247 arrange();

248 }

249

250 void

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

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

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

254 XWindowChanges wc;

255

256 if(sizehints) {

257 if(c->incw)

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

259 if(c->inch)

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

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

262 c->w = c->minw;

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

264 c->h = c->minh;

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

266 c->w = c->maxw;

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

268 c->h = c->maxh;

269 }

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

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

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

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

274 /* offscreen appearance fixes */

275 if(c->x + c->w < sx)

276 c->x = sx;

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

278 c->y = bh;

279 if(c->x > sw)

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

281 if(c->y > sh)

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

283 resizetitle(c);

284 wc.x = c->x;

285 wc.y = c->y;

286 wc.width = c->w;

287 wc.height = c->h;

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

289 wc.border_width = 0;

290 else

291 wc.border_width = BORDERPX;

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

293 configure(c);

294 XSync(dpy, False);

295 }

296

297 void

298 resizetitle(Client *c) {

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

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

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

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

303 c->ty = c->y;

304 if(isvisible(c))

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

306 else

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

308 }

309

310 void

311 updatesize(Client *c) {

312 long msize;

313 XSizeHints size;

314

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

316 size.flags = PSize;

317 c->flags = size.flags;

318 if(c->flags & PBaseSize) {

319 c->basew = size.base_width;

320 c->baseh = size.base_height;

321 }

322 else

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

324 if(c->flags & PResizeInc) {

325 c->incw = size.width_inc;

326 c->inch = size.height_inc;

327 }

328 else

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

330 if(c->flags & PMaxSize) {

331 c->maxw = size.max_width;

332 c->maxh = size.max_height;

333 }

334 else

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

336 if(c->flags & PMinSize) {

337 c->minw = size.min_width;

338 c->minh = size.min_height;

339 }

340 else

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

342 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&

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

344 if(c->flags & PWinGravity)

345 c->grav = size.win_gravity;

346 else

347 c->grav = NorthWestGravity;

348 }

349

350 void

351 updatetitle(Client *c) {

352 char **list = NULL;

353 int n;

354 XTextProperty name;

355

356 name.nitems = 0;

357 c->name[0] = 0;

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

359 if(!name.nitems)

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

361 if(!name.nitems)

362 return;

363 if(name.encoding == XA_STRING)

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

365 else {

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

367 && n > 0 && *list)

368 {

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

370 XFreeStringList(list);

371 }

372 }

373 XFree(name.value);

374 }

375

376 void

377 unmanage(Client *c) {

378 Client *nc;

379

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

381 XGrabServer(dpy);

382 XSetErrorHandler(xerrordummy);

383 detach(c);

384 detachstack(c);

385 if(sel == c) {

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

387 focus(nc);

388 }

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

390 XDestroyWindow(dpy, c->twin);

391 free(c->tags);

392 free(c);

393 XSync(dpy, False);

394 XSetErrorHandler(xerror);

395 XUngrabServer(dpy);

396 arrange();

397 }