aewl: 8274d5149b66 client.c

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view client.c @ 670:8274d5149b66

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author	Anselm R. Garbe <arg@suckless.org>
date	Mon, 08 Jan 2007 12:18:49 +0100
parents	1ed8c40dde36
children	a76799907854

line source

1 /* (C)opyright MMVI-MMVII 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 drawclient(old);

100 }

101 }

102 if(c) {

103 detachstack(c);

104 c->snext = stack;

105 stack = c;

106 grabbuttons(c, True);

107 drawclient(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 killclient(Arg *arg) {

136 if(!sel)

137 return;

138 if(sel->proto & PROTODELWIN)

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

140 else

141 XKillClient(dpy, sel->win);

142 }

143

144 void

145 manage(Window w, XWindowAttributes *wa) {

146 Client *c;

147 Window trans;

148 XSetWindowAttributes twa;

149

150 c = emallocz(sizeof(Client));

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

152 c->win = w;

153 c->border = 0;

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

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

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

157 c->h = wa->height;

158 c->th = bh;

159 updatesizehints(c);

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

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

162 if(c->x < sx)

163 c->x = sx;

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

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

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

167 c->y = bh;

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

169 XSelectInput(dpy, c->win,

170 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

172 twa.override_redirect = 1;

173 twa.background_pixmap = ParentRelative;

174 twa.event_mask = ExposureMask | EnterWindowMask;

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

176 0, DefaultDepth(dpy, screen), CopyFromParent,

177 DefaultVisual(dpy, screen),

178 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

179 grabbuttons(c, False);

180 updatetitle(c);

181 settags(c, getclient(trans));

182 if(!c->isfloat)

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

184 resizetitle(c);

185 if(clients)

186 clients->prev = c;

187 c->next = clients;

188 c->snext = stack;

189 stack = clients = c;

190 ban(c);

191 XMapWindow(dpy, c->win);

192 XMapWindow(dpy, c->twin);

193 if(isvisible(c))

194 focus(c);

195 arrange();

196 }

197

198 void

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

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

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

202 XWindowChanges wc;

203

204 if(sizehints) {

205 if(c->incw)

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

207 if(c->inch)

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

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

210 c->w = c->minw;

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

212 c->h = c->minh;

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

214 c->w = c->maxw;

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

216 c->h = c->maxh;

217 }

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

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

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

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

222 /* offscreen appearance fixes */

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

224 c->x = sx;

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

226 c->y = bh;

227 if(c->x > sw)

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

229 if(c->y > sh)

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

231 resizetitle(c);

232 wc.x = c->x;

233 wc.y = c->y;

234 wc.width = c->w;

235 wc.height = c->h;

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

237 wc.border_width = 0;

238 else

239 wc.border_width = BORDERPX;

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

241 configure(c);

242 XSync(dpy, False);

243 }

244

245 void

246 resizetitle(Client *c) {

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

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

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

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

251 c->ty = c->y;

252 if(isvisible(c))

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

254 else

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

256 }

257

258 void

259 updatesizehints(Client *c) {

260 long msize;

261 XSizeHints size;

262

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

264 size.flags = PSize;

265 c->flags = size.flags;

266 if(c->flags & PBaseSize) {

267 c->basew = size.base_width;

268 c->baseh = size.base_height;

269 }

270 else

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

272 if(c->flags & PResizeInc) {

273 c->incw = size.width_inc;

274 c->inch = size.height_inc;

275 }

276 else

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

278 if(c->flags & PMaxSize) {

279 c->maxw = size.max_width;

280 c->maxh = size.max_height;

281 }

282 else

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

284 if(c->flags & PMinSize) {

285 c->minw = size.min_width;

286 c->minh = size.min_height;

287 }

288 else

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

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

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

292 }

293

294 void

295 updatetitle(Client *c) {

296 char **list = NULL;

297 int n;

298 XTextProperty name;

299

300 name.nitems = 0;

301 c->name[0] = 0;

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

303 if(!name.nitems)

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

305 if(!name.nitems)

306 return;

307 if(name.encoding == XA_STRING)

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

309 else {

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

311 && n > 0 && *list)

312 {

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

314 XFreeStringList(list);

315 }

316 }

317 XFree(name.value);

318 }

319

320 void

321 unmanage(Client *c) {

322 Client *nc;

323

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

325 XGrabServer(dpy);

326 XSetErrorHandler(xerrordummy);

327 detach(c);

328 detachstack(c);

329 if(sel == c) {

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

331 focus(nc);

332 }

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

334 XDestroyWindow(dpy, c->twin);

335 free(c->tags);

336 free(c);

337 XSync(dpy, False);

338 XSetErrorHandler(xerror);

339 XUngrabServer(dpy);

340 arrange();

341 }