dwm-meillo: 8ad86d0a6a53 client.c

dwm-meillo

view client.c @ 29:8ad86d0a6a53

added gravity stuff

author	Anselm R. Garbe <garbeam@wmii.de>
date	Wed, 12 Jul 2006 17:17:15 +0200
parents	3dceb132082d
children	2e0fb4130bfb

line source

1 /*

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

3 * See LICENSE file for license details.

4 */

6 #include <math.h>

7 #include <stdlib.h>

8 #include <string.h>

9 #include <X11/Xatom.h>

11 #include "util.h"

12 #include "wm.h"

14 void

15 max(void *aux)

16 {

17 if(!stack)

18 return;

19 stack->x = sx;

20 stack->y = bh;

21 stack->w = sw - 2 * stack->border;

22 stack->h = sh - bh - 2 * stack->border;

23 resize(stack);

24 discard_events(EnterWindowMask);

25 }

27 void

28 arrange(void *aux)

29 {

30 Client *c;

31 int n, cols, rows, gw, gh, i, j;

32 float rt, fd;

34 if(!clients)

35 return;

36 for(n = 0, c = clients; c; c = c->next, n++);

37 rt = sqrt(n);

38 if(modff(rt, &fd) < 0.5)

39 rows = floor(rt);

40 else

41 rows = ceil(rt);

42 if(rows * rows < n)

43 cols = rows + 1;

44 else

45 cols = rows;

47 gw = (sw - 2 * c->border) / cols;

48 gh = (sh - bh - 2 * c->border) / rows;

50 for(i = j = 0, c = clients; c; c = c->next) {

51 c->x = i * gw;

52 c->y = j * gh + bh;

53 c->w = gw;

54 c->h = gh;

55 resize(c);

56 if(++i == cols) {

57 j++;

58 i = 0;

59 }

60 }

61 discard_events(EnterWindowMask);

62 }

64 void

65 sel(void *aux)

66 {

67 const char *arg = aux;

68 Client *c = NULL;

70 if(!arg || !stack)

71 return;

72 if(!strncmp(arg, "next", 5))

73 c = stack->snext ? stack->snext : stack;

74 else if(!strncmp(arg, "prev", 5))

75 for(c = stack; c && c->snext; c = c->snext);

76 if(!c)

77 c = stack;

78 raise(c);

79 focus(c);

80 }

82 void

83 kill(void *aux)

84 {

85 Client *c = stack;

87 if(!c)

88 return;

89 if(c->proto & WM_PROTOCOL_DELWIN)

90 send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);

91 else

92 XKillClient(dpy, c->win);

93 }

95 static void

96 resize_title(Client *c)

97 {

98 c->tw = textw(&brush.font, c->name) + bh;

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

100 c->tw = c->w + 2;

101 c->tx = c->x + c->w - c->tw + 2;

102 c->ty = c->y;

103 XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);

104 }

105

106 void

107 update_name(Client *c)

108 {

109 XTextProperty name;

110 int n;

111 char **list = NULL;

112

113 name.nitems = 0;

114 c->name[0] = 0;

115 XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);

116 if(!name.nitems)

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

118 if(!name.nitems)

119 return;

120 if(name.encoding == XA_STRING)

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

122 else {

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

124 && n > 0 && *list)

125 {

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

127 XFreeStringList(list);

128 }

129 }

130 XFree(name.value);

131 resize_title(c);

132 }

133

134 void

135 update_size(Client *c)

136 {

137 XSizeHints size;

138 long msize;

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

140 size.flags = PSize;

141 c->flags = size.flags;

142 if(c->flags & PBaseSize) {

143 c->basew = size.base_width;

144 c->baseh = size.base_height;

145 }

146 else

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

148 if(c->flags & PResizeInc) {

149 c->incw = size.width_inc;

150 c->inch = size.height_inc;

151 }

152 else

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

154 if(c->flags & PMaxSize) {

155 c->maxw = size.max_width;

156 c->maxh = size.max_height;

157 }

158 else

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

160 if(c->flags & PMinSize) {

161 c->minw = size.min_width;

162 c->minh = size.min_height;

163 }

164 else

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

166 if(c->flags & PWinGravity)

167 c->grav = size.win_gravity;

168 else

169 c->grav = NorthWestGravity;

170 }

171

172 void

173 raise(Client *c)

174 {

175 XRaiseWindow(dpy, c->win);

176 XRaiseWindow(dpy, c->title);

177 }

178

179 void

180 lower(Client *c)

181 {

182 XLowerWindow(dpy, c->title);

183 XLowerWindow(dpy, c->win);

184 }

185

186 void

187 focus(Client *c)

188 {

189 Client **l, *old;

190

191 old = stack;

192 for(l = &stack; *l && *l != c; l = &(*l)->snext);

193 eassert(*l == c);

194 *l = c->snext;

195 c->snext = stack;

196 stack = c;

197 if(old && old != c) {

198 XMapWindow(dpy, old->title);

199 draw_client(old);

200 }

201 XUnmapWindow(dpy, c->title);

202 draw_client(c);

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

204 XFlush(dpy);

205 }

206

207 void

208 manage(Window w, XWindowAttributes *wa)

209 {

210 Client *c, **l;

211 XSetWindowAttributes twa;

212

213 c = emallocz(sizeof(Client));

214 c->win = w;

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

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

217 if(c->y < bh)

218 c->ty = c->y += bh;

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

220 c->h = wa->height;

221 c->th = bh;

222 c->border = 1;

223 update_size(c);

224 XSetWindowBorderWidth(dpy, c->win, 1);

225 XSetWindowBorder(dpy, c->win, brush.border);

226 XSelectInput(dpy, c->win,

227 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

229 twa.override_redirect = 1;

230 twa.background_pixmap = ParentRelative;

231 twa.event_mask = ExposureMask;

232

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

234 0, DefaultDepth(dpy, screen), CopyFromParent,

235 DefaultVisual(dpy, screen),

236 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

237 update_name(c);

238

239 for(l=&clients; *l; l=&(*l)->next);

240 c->next = *l; /* *l == nil */

241 *l = c;

242 c->snext = stack;

243 stack = c;

244 XMapRaised(dpy, c->win);

245 XMapRaised(dpy, c->title);

246 XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,

247 GrabModeAsync, GrabModeSync, None, None);

248 XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,

249 GrabModeAsync, GrabModeSync, None, None);

250 XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,

251 GrabModeAsync, GrabModeSync, None, None);

252 resize(c);

253 focus(c);

254 }

255

256 void

257 gravitate(Client *c, Bool invert)

258 {

259 int dx = 0, dy = 0;

260

261 switch(c->grav) {

262 case StaticGravity:

263 case NorthWestGravity:

264 case NorthGravity:

265 case NorthEastGravity:

266 dy = c->border;

267 break;

268 case EastGravity:

269 case CenterGravity:

270 case WestGravity:

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

272 break;

273 case SouthEastGravity:

274 case SouthGravity:

275 case SouthWestGravity:

276 dy = -c->h;

277 break;

278 default:

279 break;

280 }

281

282 switch (c->grav) {

283 case StaticGravity:

284 case NorthWestGravity:

285 case WestGravity:

286 case SouthWestGravity:

287 dx = c->border;

288 break;

289 case NorthGravity:

290 case CenterGravity:

291 case SouthGravity:

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

293 break;

294 case NorthEastGravity:

295 case EastGravity:

296 case SouthEastGravity:

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

298 break;

299 default:

300 break;

301 }

302

303 if(invert) {

304 dx = -dx;

305 dy = -dy;

306 }

307 c->x += dx;

308 c->y += dy;

309 }

310

311 void

312 resize(Client *c)

313 {

314 XConfigureEvent e;

315

316 resize_title(c);

317 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);

318 e.type = ConfigureNotify;

319 e.event = c->win;

320 e.window = c->win;

321 e.x = c->x;

322 e.y = c->y;

323 e.width = c->w;

324 e.height = c->h;

325 e.border_width = c->border;

326 e.above = None;

327 e.override_redirect = False;

328 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);

329 XFlush(dpy);

330 }

331

332 static int

333 dummy_error_handler(Display *dpy, XErrorEvent *error)

334 {

335 return 0;

336 }

337

338 void

339 unmanage(Client *c)

340 {

341 Client **l;

342

343 XGrabServer(dpy);

344 XSetErrorHandler(dummy_error_handler);

345

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

347 XDestroyWindow(dpy, c->title);

348

349 for(l=&clients; *l && *l != c; l=&(*l)->next);

350 eassert(*l == c);

351 *l = c->next;

352 for(l=&stack; *l && *l != c; l=&(*l)->snext);

353 eassert(*l == c);

354 *l = c->snext;

355 free(c);

356

357 XFlush(dpy);

358 XSetErrorHandler(error_handler);

359 XUngrabServer(dpy);

360 if(stack)

361 focus(stack);

362 }

363

364 Client *

365 gettitle(Window w)

366 {

367 Client *c;

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

369 if(c->title == w)

370 return c;

371 return NULL;

372 }

373

374 Client *

375 getclient(Window w)

376 {

377 Client *c;

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

379 if(c->win == w)

380 return c;

381 return NULL;

382 }

383

384 void

385 draw_client(Client *c)

386 {

387 if(c == stack) {

388 draw_bar();

389 return;

390 }

391

392 brush.x = brush.y = 0;

393 brush.w = c->tw;

394 brush.h = c->th;

395

396 draw(dpy, &brush, True, c->name);

397 XCopyArea(dpy, brush.drawable, c->title, brush.gc,

398 0, 0, c->tw, c->th, 0, 0);

399 XFlush(dpy);

400 }