dwm-meillo: a1901753deef event.c

dwm-meillo

view event.c @ 342:a1901753deef

updated man page

author	Anselm R. Garbe <arg@10kloc.org>
date	Wed, 23 Aug 2006 18:50:46 +0200
parents	4aa632b6ba66
children	8a06efe5b563

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 }

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

121 focus(c);

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

123 return;

124 switch(ev->button) {

125 default:

126 break;

127 case Button1:

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

129 restack(c);

130 movemouse(c);

131 }

132 break;

133 case Button2:

134 zoom(NULL);

135 break;

136 case Button3:

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

138 restack(c);

139 resizemouse(c);

140 }

141 break;

142 }

143 }

144 }

145

146 static void

147 configurerequest(XEvent *e)

148 {

149 unsigned long newmask;

150 Client *c;

151 XConfigureRequestEvent *ev = &e->xconfigurerequest;

152 XEvent synev;

153 XWindowChanges wc;

154

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

156 gravitate(c, True);

157 if(ev->value_mask & CWX)

158 c->x = ev->x;

159 if(ev->value_mask & CWY)

160 c->y = ev->y;

161 if(ev->value_mask & CWWidth)

162 c->w = ev->width;

163 if(ev->value_mask & CWHeight)

164 c->h = ev->height;

165 if(ev->value_mask & CWBorderWidth)

166 c->border = ev->border_width;

167 gravitate(c, False);

168 wc.x = c->x;

169 wc.y = c->y;

170 wc.width = c->w;

171 wc.height = c->h;

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

173 if(newmask)

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

175 else {

176 synev.type = ConfigureNotify;

177 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

185 synev.xconfigure.above = None;

186 /* Send synthetic ConfigureNotify */

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

188 }

189 XSync(dpy, False);

190 if(c->isfloat)

191 resize(c, False, TopLeft);

192 else

193 arrange(NULL);

194 }

195 else {

196 wc.x = ev->x;

197 wc.y = ev->y;

198 wc.width = ev->width;

199 wc.height = ev->height;

200 wc.border_width = ev->border_width;

201 wc.sibling = ev->above;

202 wc.stack_mode = ev->detail;

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

204 XSync(dpy, False);

205 }

206 }

207

208 static void

209 destroynotify(XEvent *e)

210 {

211 Client *c;

212 XDestroyWindowEvent *ev = &e->xdestroywindow;

213

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

215 unmanage(c);

216 }

217

218 static void

219 enternotify(XEvent *e)

220 {

221 Client *c;

222 XCrossingEvent *ev = &e->xcrossing;

223

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

225 return;

226

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

228 focus(c);

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

230 issel = True;

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

232 drawall();

233 }

234 }

235

236 static void

237 expose(XEvent *e)

238 {

239 Client *c;

240 XExposeEvent *ev = &e->xexpose;

241

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

243 if(barwin == ev->window)

244 drawstatus();

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

246 drawtitle(c);

247 }

248 }

249

250 static void

251 keypress(XEvent *e)

252 {

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

254 unsigned int i;

255 KeySym keysym;

256 XKeyEvent *ev = &e->xkey;

257

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

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

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

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

262 {

263 if(key[i].func)

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

265 return;

266 }

267 }

268 }

269

270 static void

271 leavenotify(XEvent *e)

272 {

273 XCrossingEvent *ev = &e->xcrossing;

274

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

276 issel = False;

277 drawall();

278 }

279 }

280

281 static void

282 mappingnotify(XEvent *e)

283 {

284 XMappingEvent *ev = &e->xmapping;

285

286 XRefreshKeyboardMapping(ev);

287 if(ev->request == MappingKeyboard)

288 grabkeys();

289 }

290

291 static void

292 maprequest(XEvent *e)

293 {

294 static XWindowAttributes wa;

295 XMapRequestEvent *ev = &e->xmaprequest;

296

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

298 return;

299

300 if(wa.override_redirect) {

301 XSelectInput(dpy, ev->window,

302 (StructureNotifyMask | PropertyChangeMask));

303 return;

304 }

305

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

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

308 }

309

310 static void

311 propertynotify(XEvent *e)

312 {

313 Client *c;

314 Window trans;

315 XPropertyEvent *ev = &e->xproperty;

316

317 if(ev->state == PropertyDelete)

318 return; /* ignore */

319

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

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

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

323 return;

324 }

325 switch (ev->atom) {

326 default: break;

327 case XA_WM_TRANSIENT_FOR:

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

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

330 arrange(NULL);

331 break;

332 case XA_WM_NORMAL_HINTS:

333 setsize(c);

334 break;

335 }

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

337 settitle(c);

338 drawtitle(c);

339 }

340 }

341 }

342

343 static void

344 unmapnotify(XEvent *e)

345 {

346 Client *c;

347 XUnmapEvent *ev = &e->xunmap;

348

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

350 unmanage(c);

351 }

352

353 /* extern */

354

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

356 [ButtonPress] = buttonpress,

357 [ConfigureRequest] = configurerequest,

358 [DestroyNotify] = destroynotify,

359 [EnterNotify] = enternotify,

360 [LeaveNotify] = leavenotify,

361 [Expose] = expose,

362 [KeyPress] = keypress,

363 [MappingNotify] = mappingnotify,

364 [MapRequest] = maprequest,

365 [PropertyNotify] = propertynotify,

366 [UnmapNotify] = unmapnotify

367 };

368

369 void

370 grabkeys()

371 {

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

373 unsigned int i;

374 KeyCode code;

375

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

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

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

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

380 GrabModeAsync, GrabModeAsync);

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

382 GrabModeAsync, GrabModeAsync);

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

384 GrabModeAsync, GrabModeAsync);

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

386 GrabModeAsync, GrabModeAsync);

387 }

388 }

389

390 void

391 procevent()

392 {

393 XEvent ev;

394

395 while(XPending(dpy)) {

396 XNextEvent(dpy, &ev);

397 if(handler[ev.type])

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

399 }

400 }

401