aewl: 056a5072c70a client.c

aewl

view client.c @ 442:056a5072c70a

no this is better

author	Anselm R. Garbe <arg@10kloc.org>
date	Wed, 06 Sep 2006 15:36:42 +0200
parents	785bad5f21dd
children	a2e587651c79

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;

87 if(!issel)

88 return;

89 if(!sel)

90 sel = c;

91 else if(sel != c) {

92 if(maximized)

93 togglemax(NULL);

94 old = sel;

95 sel = c;

96 if(old) {

97 grabbuttons(old, False);

98 drawtitle(old);

99 }

100 }

101 if(c) {

102 grabbuttons(c, True);

103 drawtitle(c);

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

105 }

106 else

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

108 }

109

110 Client *

111 getclient(Window w)

112 {

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 {

124 Client *c;

125

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

127 if(c->twin == w)

128 return c;

129 return NULL;

130 }

131

132 void

133 gravitate(Client *c, Bool invert)

134 {

135 int dx = 0, dy = 0;

136

137 switch(c->grav) {

138 default:

139 break;

140 case StaticGravity:

141 case NorthWestGravity:

142 case NorthGravity:

143 case NorthEastGravity:

144 dy = c->border;

145 break;

146 case EastGravity:

147 case CenterGravity:

148 case WestGravity:

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

150 break;

151 case SouthEastGravity:

152 case SouthGravity:

153 case SouthWestGravity:

154 dy = -(c->h);

155 break;

156 }

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

179 if(invert) {

180 dx = -dx;

181 dy = -dy;

182 }

183 c->x += dx;

184 c->y += dy;

185 }

186

187 void

188 killclient(Arg *arg)

189 {

190 if(!sel)

191 return;

192 if(sel->proto & PROTODELWIN)

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

194 else

195 XKillClient(dpy, sel->win);

196 }

197

198 void

199 manage(Window w, XWindowAttributes *wa)

200 {

201 unsigned int i;

202 Client *c;

203 Window trans;

204 XSetWindowAttributes twa;

205

206 c = emallocz(sizeof(Client));

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

208 c->win = w;

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

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

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

212 c->h = wa->height;

213 c->th = bh;

214

215 c->border = 0;

216 setsize(c);

217

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

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

220 if(c->x < 0)

221 c->x = 0;

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

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

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

225 c->y = bh;

226

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

228 XSelectInput(dpy, c->win,

229 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

231 twa.override_redirect = 1;

232 twa.background_pixmap = ParentRelative;

233 twa.event_mask = ExposureMask | EnterWindowMask;

234

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

236 0, DefaultDepth(dpy, screen), CopyFromParent,

237 DefaultVisual(dpy, screen),

238 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

239

240 grabbuttons(c, False);

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

247 if(clients)

248 clients->prev = c;

249 c->next = clients;

250 clients = c;

251

252 settitle(c);

253 ban(c);

254 XMapWindow(dpy, c->win);

255 XMapWindow(dpy, c->twin);

256 if(isvisible(c))

257 focus(c);

258 arrange(NULL);

259 }

260

261 void

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

263 {

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 resizetitle(c);

288 wc.x = c->x;

289 wc.y = c->y;

290 wc.width = c->w;

291 wc.height = c->h;

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

293 wc.border_width = 0;

294 else

295 wc.border_width = 1;

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

297 XSync(dpy, False);

298 }

299

300 void

301 setsize(Client *c)

302 {

303 long msize;

304 XSizeHints size;

305

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

307 size.flags = PSize;

308 c->flags = size.flags;

309 if(c->flags & PBaseSize) {

310 c->basew = size.base_width;

311 c->baseh = size.base_height;

312 }

313 else

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

315 if(c->flags & PResizeInc) {

316 c->incw = size.width_inc;

317 c->inch = size.height_inc;

318 }

319 else

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

321 if(c->flags & PMaxSize) {

322 c->maxw = size.max_width;

323 c->maxh = size.max_height;

324 }

325 else

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

327 if(c->flags & PMinSize) {

328 c->minw = size.min_width;

329 c->minh = size.min_height;

330 }

331 else

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

333 if(c->flags & PWinGravity)

334 c->grav = size.win_gravity;

335 else

336 c->grav = NorthWestGravity;

337 }

338

339 void

340 settitle(Client *c)

341 {

342 char **list = NULL;

343 int n;

344 XTextProperty name;

345

346 name.nitems = 0;

347 c->name[0] = 0;

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

349 if(!name.nitems)

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

351 if(!name.nitems)

352 return;

353 if(name.encoding == XA_STRING)

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

355 else {

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

357 && n > 0 && *list)

358 {

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

360 XFreeStringList(list);

361 }

362 }

363 XFree(name.value);

364 resizetitle(c);

365 }

366

367 void

368 togglemax(Arg *arg)

369 {

370 int ox, oy, ow, oh;

371 Client *c;

372 XEvent ev;

373

374 if(!sel)

375 return;

376

377 if((maximized = !maximized)) {

378 ox = sel->x;

379 oy = sel->y;

380 ow = sel->w;

381 oh = sel->h;

382 sel->x = sx;

383 sel->y = sy + bh;

384 sel->w = sw - 2;

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

386

387 restack();

388 for(c = getnext(clients); c; c = getnext(c->next))

389 if(c != sel)

390 ban(c);

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

392

393 sel->x = ox;

394 sel->y = oy;

395 sel->w = ow;

396 sel->h = oh;

397 }

398 else

399 arrange(NULL);

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

401 }

402

403 void

404 unmanage(Client *c)

405 {

406 Client *tc, *fc;

407 Window trans;

408 XGrabServer(dpy);

409 XSetErrorHandler(xerrordummy);

410

411 detach(c);

412 if(sel == c) {

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

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

415 fc = tc;

416 else

417 fc = getnext(clients);

418 focus(fc);

419 }

420

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

422 XDestroyWindow(dpy, c->twin);

423

424 free(c->tags);

425 free(c);

426

427 XSync(dpy, False);

428 XSetErrorHandler(xerror);

429 XUngrabServer(dpy);

430 arrange(NULL);

431 }