aewl: d955a84b7d4b event.c

aewl

view event.c @ 364:d955a84b7d4b

updated man page of dwm

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 25 Aug 2006 16:21:45 +0200
parents	c2a65784cb71
children	fc9d35252ab4

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 <X11/keysym.h>

8 #include <X11/Xatom.h>

10 /* static */

12 typedef struct {

13 unsigned long mod;

14 KeySym keysym;

15 void (*func)(Arg *arg);

16 Arg arg;

17 } Key;

19 KEYS

21 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))

23 static void

24 movemouse(Client *c)

25 {

26 int x1, y1, ocx, ocy, di;

27 unsigned int dui;

28 Window dummy;

29 XEvent ev;

31 ocx = c->x;

32 ocy = c->y;

33 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,

34 None, cursor[CurMove], CurrentTime) != GrabSuccess)

35 return;

36 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);

37 for(;;) {

38 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);

39 switch (ev.type) {

40 default: break;

41 case Expose:

42 handler[Expose](&ev);

43 break;

44 case MotionNotify:

45 XSync(dpy, False);

46 c->x = ocx + (ev.xmotion.x - x1);

47 c->y = ocy + (ev.xmotion.y - y1);

48 resize(c, False, TopLeft);

49 break;

50 case ButtonRelease:

51 XUngrabPointer(dpy, CurrentTime);

52 return;

53 }

54 }

55 }

57 static void

58 resizemouse(Client *c)

59 {

60 int ocx, ocy;

61 int nw, nh;

62 Corner sticky;

63 XEvent ev;

65 ocx = c->x;

66 ocy = c->y;

67 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,

68 None, cursor[CurResize], CurrentTime) != GrabSuccess)

69 return;

70 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);

71 for(;;) {

72 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);

73 switch(ev.type) {

74 default: break;

75 case Expose:

76 handler[Expose](&ev);

77 break;

78 case MotionNotify:

79 XSync(dpy, False);

80 if((nw = abs(ocx - ev.xmotion.x)))

81 c->w = abs(ocx - ev.xmotion.x);

82 if((nh = abs(ocy - ev.xmotion.y)))

83 c->h = abs(ocy - ev.xmotion.y);

84 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;

85 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;

86 if(ocx <= ev.xmotion.x)

87 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;

88 else

89 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;

90 resize(c, True, sticky);

91 break;

92 case ButtonRelease:

93 XUngrabPointer(dpy, CurrentTime);

94 return;

95 }

96 }

97 }

99 static void

100 buttonpress(XEvent *e)

101 {

102 int x;

103 Arg a;

104 Client *c;

105 XButtonPressedEvent *ev = &e->xbutton;

106

107 if(barwin == ev->window) {

108 x = 0;

109 for(a.i = 0; a.i < ntags; a.i++) {

110 x += textw(tags[a.i]);

111 if(ev->x < x) {

112 if(ev->button == Button1)

113 view(&a);

114 else if(ev->button == Button3)

115 toggleview(&a);

116 return;

117 }

118 }

119 if(ev->x < x + bmw)

120 togglemode(NULL);

121 }

122 else if((c = getclient(ev->window))) {

123 focus(c);

124 if(CLEANMASK(ev->state) == 0)

125 return;

126 switch(ev->button) {

127 default:

128 break;

129 case Button1:

130 if(!c->ismax && (arrange == dofloat || c->isfloat)) {

131 restack(c);

132 movemouse(c);

133 }

134 break;

135 case Button2:

136 zoom(NULL);

137 break;

138 case Button3:

139 if(!c->ismax && (arrange == dofloat || c->isfloat)) {

140 restack(c);

141 resizemouse(c);

142 }

143 break;

144 }

145 }

146 }

147

148 static void

149 configurerequest(XEvent *e)

150 {

151 unsigned long newmask;

152 Client *c;

153 XConfigureRequestEvent *ev = &e->xconfigurerequest;

154 XEvent synev;

155 XWindowChanges wc;

156

157 if((c = getclient(ev->window))) {

158 gravitate(c, True);

159 if(ev->value_mask & CWX)

160 c->x = ev->x;

161 if(ev->value_mask & CWY)

162 c->y = ev->y;

163 if(ev->value_mask & CWWidth)

164 c->w = ev->width;

165 if(ev->value_mask & CWHeight)

166 c->h = ev->height;

167 if(ev->value_mask & CWBorderWidth)

168 c->border = ev->border_width;

169 gravitate(c, False);

170 wc.x = c->x;

171 wc.y = c->y;

172 wc.width = c->w;

173 wc.height = c->h;

174 newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));

175 if(newmask)

176 XConfigureWindow(dpy, c->win, newmask, &wc);

177 else {

178 synev.type = ConfigureNotify;

179 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

187 synev.xconfigure.above = None;

188 /* Send synthetic ConfigureNotify */

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

190 }

191 XSync(dpy, False);

192 if(c->isfloat)

193 resize(c, False, TopLeft);

194 else

195 arrange(NULL);

196 }

197 else {

198 wc.x = ev->x;

199 wc.y = ev->y;

200 wc.width = ev->width;

201 wc.height = ev->height;

202 wc.border_width = ev->border_width;

203 wc.sibling = ev->above;

204 wc.stack_mode = ev->detail;

205 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);

206 XSync(dpy, False);

207 }

208 }

209

210 static void

211 destroynotify(XEvent *e)

212 {

213 Client *c;

214 XDestroyWindowEvent *ev = &e->xdestroywindow;

215

216 if((c = getclient(ev->window)))

217 unmanage(c);

218 }

219

220 static void

221 enternotify(XEvent *e)

222 {

223 Client *c;

224 XCrossingEvent *ev = &e->xcrossing;

225

226 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)

227 return;

228

229 if((c = getclient(ev->window)) || (c = getctitle(ev->window)))

230 focus(c);

231 else if(ev->window == root) {

232 issel = True;

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

234 drawall();

235 }

236 }

237

238 static void

239 expose(XEvent *e)

240 {

241 Client *c;

242 XExposeEvent *ev = &e->xexpose;

243

244 if(ev->count == 0) {

245 if(barwin == ev->window)

246 drawstatus();

247 else if((c = getctitle(ev->window)))

248 drawtitle(c);

249 }

250 }

251

252 static void

253 keypress(XEvent *e)

254 {

255 static unsigned int len = sizeof(key) / sizeof(key[0]);

256 unsigned int i;

257 KeySym keysym;

258 XKeyEvent *ev = &e->xkey;

259

260 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);

261 for(i = 0; i < len; i++) {

262 if(keysym == key[i].keysym &&

263 CLEANMASK(key[i].mod) == CLEANMASK(ev->state))

264 {

265 if(key[i].func)

266 key[i].func(&key[i].arg);

267 return;

268 }

269 }

270 }

271

272 static void

273 leavenotify(XEvent *e)

274 {

275 XCrossingEvent *ev = &e->xcrossing;

276

277 if((ev->window == root) && !ev->same_screen) {

278 issel = False;

279 drawall();

280 }

281 }

282

283 static void

284 mappingnotify(XEvent *e)

285 {

286 XMappingEvent *ev = &e->xmapping;

287

288 XRefreshKeyboardMapping(ev);

289 if(ev->request == MappingKeyboard)

290 grabkeys();

291 }

292

293 static void

294 maprequest(XEvent *e)

295 {

296 static XWindowAttributes wa;

297 XMapRequestEvent *ev = &e->xmaprequest;

298

299 if(!XGetWindowAttributes(dpy, ev->window, &wa))

300 return;

301

302 if(wa.override_redirect) {

303 XSelectInput(dpy, ev->window,

304 (StructureNotifyMask | PropertyChangeMask));

305 return;

306 }

307

308 if(!getclient(ev->window))

309 manage(ev->window, &wa);

310 }

311

312 static void

313 propertynotify(XEvent *e)

314 {

315 Client *c;

316 Window trans;

317 XPropertyEvent *ev = &e->xproperty;

318

319 if(ev->state == PropertyDelete)

320 return; /* ignore */

321

322 if((c = getclient(ev->window))) {

323 if(ev->atom == wmatom[WMProtocols]) {

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

325 return;

326 }

327 switch (ev->atom) {

328 default: break;

329 case XA_WM_TRANSIENT_FOR:

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

331 if(!c->isfloat && (c->isfloat = (trans != 0)))

332 arrange(NULL);

333 break;

334 case XA_WM_NORMAL_HINTS:

335 setsize(c);

336 break;

337 }

338 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {

339 settitle(c);

340 drawtitle(c);

341 }

342 }

343 }

344

345 static void

346 unmapnotify(XEvent *e)

347 {

348 Client *c;

349 XUnmapEvent *ev = &e->xunmap;

350

351 if((c = getclient(ev->window)))

352 unmanage(c);

353 }

354

355 /* extern */

356

357 void (*handler[LASTEvent]) (XEvent *) = {

358 [ButtonPress] = buttonpress,

359 [ConfigureRequest] = configurerequest,

360 [DestroyNotify] = destroynotify,

361 [EnterNotify] = enternotify,

362 [LeaveNotify] = leavenotify,

363 [Expose] = expose,

364 [KeyPress] = keypress,

365 [MappingNotify] = mappingnotify,

366 [MapRequest] = maprequest,

367 [PropertyNotify] = propertynotify,

368 [UnmapNotify] = unmapnotify

369 };

370

371 void

372 grabkeys()

373 {

374 static unsigned int len = sizeof(key) / sizeof(key[0]);

375 unsigned int i;

376 KeyCode code;

377

378 XUngrabKey(dpy, AnyKey, AnyModifier, root);

379 for(i = 0; i < len; i++) {

380 code = XKeysymToKeycode(dpy, key[i].keysym);

381 XGrabKey(dpy, code, key[i].mod, root, True,

382 GrabModeAsync, GrabModeAsync);

383 XGrabKey(dpy, code, key[i].mod | LockMask, root, True,

384 GrabModeAsync, GrabModeAsync);

385 XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,

386 GrabModeAsync, GrabModeAsync);

387 XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,

388 GrabModeAsync, GrabModeAsync);

389 }

390 }

391

392 void

393 procevent()

394 {

395 XEvent ev;

396

397 while(XPending(dpy)) {

398 XNextEvent(dpy, &ev);

399 if(handler[ev.type])

400 (handler[ev.type])(&ev); /* call handler */

401 }

402 }

403