dwm-meillo: 0db173d7e59c event.c

dwm-meillo

view event.c @ 483:0db173d7e59c

man page fix

author	arg@mmvi
date	Fri, 22 Sep 2006 14:02:41 +0200
parents	635b58a87d20
children	be4f90c03582

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 synconfig(Client *c, int x, int y, int w, int h, unsigned int border) {

25 XEvent synev;

27 synev.type = ConfigureNotify;

28 synev.xconfigure.display = dpy;

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

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

31 synev.xconfigure.x = x;

32 synev.xconfigure.y = y;

33 synev.xconfigure.width = w;

34 synev.xconfigure.height = h;

35 synev.xconfigure.border_width = border;

36 synev.xconfigure.above = None;

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

38 }

40 static void

41 movemouse(Client *c) {

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

43 unsigned int dui;

44 Window dummy;

45 XEvent ev;

47 ocx = c->x;

48 ocy = c->y;

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

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

51 return;

52 c->ismax = False;

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

54 for(;;) {

55 XMaskEvent(dpy, MOUSEMASK | ExposureMask | StructureNotifyMask, &ev);

56 switch (ev.type) {

57 default:

58 break;

59 case ConfigureRequest:

60 synconfig(c, c->x, c->y, c->w, c->h, ev.xconfigure.border_width);

61 XSync(dpy, False);

62 break;

63 case Expose:

64 handler[Expose](&ev);

65 break;

66 case MotionNotify:

67 XSync(dpy, False);

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

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

70 resize(c, False, TopLeft);

71 break;

72 case ButtonRelease:

73 XUngrabPointer(dpy, CurrentTime);

74 return;

75 case DestroyNotify:

76 case UnmapNotify:

77 XUngrabPointer(dpy, CurrentTime);

78 handler[ev.type](&ev);

79 return;

80 }

81 }

82 }

84 static void

85 resizemouse(Client *c) {

86 int ocx, ocy;

87 int nw, nh;

88 Corner sticky;

89 XEvent ev;

91 ocx = c->x;

92 ocy = c->y;

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

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

95 return;

96 c->ismax = False;

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

98 for(;;) {

99 XMaskEvent(dpy, MOUSEMASK | ExposureMask | StructureNotifyMask, &ev);

100 switch(ev.type) {

101 default:

102 break;

103 case ConfigureRequest:

104 synconfig(c, c->x, c->y, c->w, c->h, ev.xconfigure.border_width);

105 XSync(dpy, False);

106 break;

107 case Expose:

108 handler[Expose](&ev);

109 break;

110 case MotionNotify:

111 XSync(dpy, False);

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

113 c->w = nw;

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

115 c->h = nh;

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

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

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

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

120 else

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

122 resize(c, True, sticky);

123 break;

124 case ButtonRelease:

125 XUngrabPointer(dpy, CurrentTime);

126 return;

127 case DestroyNotify:

128 case UnmapNotify:

129 XUngrabPointer(dpy, CurrentTime);

130 handler[ev.type](&ev);

131 return;

132 }

133 }

134 }

135

136 static void

137 buttonpress(XEvent *e) {

138 int x;

139 Arg a;

140 Client *c;

141 XButtonPressedEvent *ev = &e->xbutton;

142

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

144 x = 0;

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

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

147 if(ev->x < x) {

148 if(ev->button == Button1) {

149 if(ev->state & MODKEY)

150 tag(&a);

151 else

152 view(&a);

153 }

154 else if(ev->button == Button3) {

155 if(ev->state & MODKEY)

156 toggletag(&a);

157 else

158 toggleview(&a);

159 }

160 return;

161 }

162 }

163 if(ev->x < x + bmw) {

164 if(ev->button == Button1)

165 togglemode(NULL);

166 }

167 }

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

169 focus(c);

170 if(CLEANMASK(ev->state) != MODKEY)

171 return;

172 if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {

173 restack(c);

174 movemouse(c);

175 }

176 else if(ev->button == Button2)

177 zoom(NULL);

178 else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {

179 restack(c);

180 resizemouse(c);

181 }

182 }

183 }

184

185 static void

186 configurerequest(XEvent *e) {

187 unsigned long newmask;

188 Client *c;

189 XConfigureRequestEvent *ev = &e->xconfigurerequest;

190 XWindowChanges wc;

191

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

193 if((c == sel) && !c->isfloat && (arrange != dofloat)) {

194 synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);

195 XSync(dpy, False);

196 return;

197 }

198 gravitate(c, True);

199 if(ev->value_mask & CWX)

200 c->x = ev->x;

201 if(ev->value_mask & CWY)

202 c->y = ev->y;

203 if(ev->value_mask & CWWidth)

204 c->w = ev->width;

205 if(ev->value_mask & CWHeight)

206 c->h = ev->height;

207 if(ev->value_mask & CWBorderWidth)

208 c->border = ev->border_width;

209 gravitate(c, False);

210 wc.x = c->x;

211 wc.y = c->y;

212 wc.width = c->w;

213 wc.height = c->h;

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

215 if(newmask)

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

217 else

218 synconfig(c, c->x, c->y, c->w, c->h, c->border);

219 XSync(dpy, False);

220 if(c->isfloat)

221 resize(c, False, TopLeft);

222 else

223 arrange(NULL);

224 }

225 else {

226 wc.x = ev->x;

227 wc.y = ev->y;

228 wc.width = ev->width;

229 wc.height = ev->height;

230 wc.border_width = ev->border_width;

231 wc.sibling = ev->above;

232 wc.stack_mode = ev->detail;

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

234 XSync(dpy, False);

235 }

236 }

237

238 static void

239 destroynotify(XEvent *e) {

240 Client *c;

241 XDestroyWindowEvent *ev = &e->xdestroywindow;

242

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

244 unmanage(c);

245 }

246

247 static void

248 enternotify(XEvent *e) {

249 Client *c;

250 XCrossingEvent *ev = &e->xcrossing;

251

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

253 return;

254

255 if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))

256 focus(c);

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

258 issel = True;

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

260 drawall();

261 }

262 }

263

264 static void

265 expose(XEvent *e) {

266 Client *c;

267 XExposeEvent *ev = &e->xexpose;

268

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

270 if(barwin == ev->window)

271 drawstatus();

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

273 drawtitle(c);

274 }

275 }

276

277 static void

278 keypress(XEvent *e) {

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

280 unsigned int i;

281 KeySym keysym;

282 XKeyEvent *ev = &e->xkey;

283

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

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

286 if(keysym == key[i].keysym

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

288 {

289 if(key[i].func)

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

291 return;

292 }

293 }

294 }

295

296 static void

297 leavenotify(XEvent *e) {

298 XCrossingEvent *ev = &e->xcrossing;

299

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

301 issel = False;

302 drawall();

303 }

304 }

305

306 static void

307 mappingnotify(XEvent *e) {

308 XMappingEvent *ev = &e->xmapping;

309

310 XRefreshKeyboardMapping(ev);

311 if(ev->request == MappingKeyboard)

312 grabkeys();

313 }

314

315 static void

316 maprequest(XEvent *e) {

317 static XWindowAttributes wa;

318 XMapRequestEvent *ev = &e->xmaprequest;

319

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

321 return;

322

323 if(wa.override_redirect) {

324 XSelectInput(dpy, ev->window,

325 (StructureNotifyMask | PropertyChangeMask));

326 return;

327 }

328

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

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

331 }

332

333 static void

334 propertynotify(XEvent *e) {

335 Client *c;

336 Window trans;

337 XPropertyEvent *ev = &e->xproperty;

338

339 if(ev->state == PropertyDelete)

340 return; /* ignore */

341

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

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

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

345 return;

346 }

347 switch (ev->atom) {

348 default: break;

349 case XA_WM_TRANSIENT_FOR:

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

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

352 arrange(NULL);

353 break;

354 case XA_WM_NORMAL_HINTS:

355 updatesize(c);

356 break;

357 }

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

359 updatetitle(c);

360 drawtitle(c);

361 }

362 }

363 }

364

365 static void

366 unmapnotify(XEvent *e) {

367 Client *c;

368 XUnmapEvent *ev = &e->xunmap;

369

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

371 unmanage(c);

372 }

373

374 /* extern */

375

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

377 [ButtonPress] = buttonpress,

378 [ConfigureRequest] = configurerequest,

379 [DestroyNotify] = destroynotify,

380 [EnterNotify] = enternotify,

381 [LeaveNotify] = leavenotify,

382 [Expose] = expose,

383 [KeyPress] = keypress,

384 [MappingNotify] = mappingnotify,

385 [MapRequest] = maprequest,

386 [PropertyNotify] = propertynotify,

387 [UnmapNotify] = unmapnotify

388 };

389

390 void

391 grabkeys() {

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

393 unsigned int i;

394 KeyCode code;

395

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

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

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

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

400 GrabModeAsync, GrabModeAsync);

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

402 GrabModeAsync, GrabModeAsync);

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

404 GrabModeAsync, GrabModeAsync);

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

406 GrabModeAsync, GrabModeAsync);

407 }

408 }

409

410 void

411 procevent() {

412 XEvent ev;

413

414 while(XPending(dpy)) {

415 XNextEvent(dpy, &ev);

416 if(handler[ev.type])

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

418 }

419 }