dwm-meillo: 37706ba7d492 event.c

dwm-meillo

view event.c @ 385:37706ba7d492

fixed

author	Anselm R. Garbe <arg@10kloc.org>
date	Tue, 29 Aug 2006 17:33:27 +0200
parents	126e78129f1d
children	58288246d16c

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 if(ev->button == Button1)

121 togglemode(NULL);

122 }

123 }

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

125 focus(c);

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

127 return;

128 switch(ev->button) {

129 default:

130 break;

131 case Button1:

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

133 restack(c);

134 movemouse(c);

135 }

136 break;

137 case Button2:

138 zoom(NULL);

139 break;

140 case Button3:

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

142 restack(c);

143 resizemouse(c);

144 }

145 break;

146 }

147 }

148 }

149

150 static void

151 configurerequest(XEvent *e)

152 {

153 int ox, oy, ow, oh;

154 unsigned long newmask;

155 Client *c;

156 XConfigureRequestEvent *ev = &e->xconfigurerequest;

157 XEvent synev;

158 XWindowChanges wc;

159

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

161 ox = c->x;

162 oy = c->y;

163 ow = c->w;

164 oh = c->h;

165 gravitate(c, True);

166 if(ev->value_mask & CWX)

167 c->x = ev->x;

168 if(ev->value_mask & CWY)

169 c->y = ev->y;

170 if(ev->value_mask & CWWidth)

171 c->w = ev->width;

172 if(ev->value_mask & CWHeight)

173 c->h = ev->height;

174 if(ev->value_mask & CWBorderWidth)

175 c->border = ev->border_width;

176 gravitate(c, False);

177 wc.x = c->x;

178 wc.y = c->y;

179 wc.width = c->w;

180 wc.height = c->h;

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

182 if(newmask)

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

184 else {

185 synev.type = ConfigureNotify;

186 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

194 synev.xconfigure.above = None;

195 /* Send synthetic ConfigureNotify */

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

197 }

198 XSync(dpy, False);

199 if(c->isfloat)

200 resize(c, False, TopLeft);

201 else if(c->ismax) {

202 resize(c, False, TopLeft);

203 c->x = ox;

204 c->y = oy;

205 c->w = ow;

206 c->h = oh;

207 }

208 else

209 arrange(NULL);

210 }

211 else {

212 wc.x = ev->x;

213 wc.y = ev->y;

214 wc.width = ev->width;

215 wc.height = ev->height;

216 wc.border_width = ev->border_width;

217 wc.sibling = ev->above;

218 wc.stack_mode = ev->detail;

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

220 XSync(dpy, False);

221 }

222 }

223

224 static void

225 destroynotify(XEvent *e)

226 {

227 Client *c;

228 XDestroyWindowEvent *ev = &e->xdestroywindow;

229

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

231 unmanage(c);

232 }

233

234 static void

235 enternotify(XEvent *e)

236 {

237 Client *c;

238 XCrossingEvent *ev = &e->xcrossing;

239

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

241 return;

242

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

244 focus(c);

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

246 issel = True;

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

248 drawall();

249 }

250 }

251

252 static void

253 expose(XEvent *e)

254 {

255 Client *c;

256 XExposeEvent *ev = &e->xexpose;

257

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

259 if(barwin == ev->window)

260 drawstatus();

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

262 drawtitle(c);

263 }

264 }

265

266 static void

267 keypress(XEvent *e)

268 {

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

270 unsigned int i;

271 KeySym keysym;

272 XKeyEvent *ev = &e->xkey;

273

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

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

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

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

278 {

279 if(key[i].func)

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

281 return;

282 }

283 }

284 }

285

286 static void

287 leavenotify(XEvent *e)

288 {

289 XCrossingEvent *ev = &e->xcrossing;

290

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

292 issel = False;

293 drawall();

294 }

295 }

296

297 static void

298 mappingnotify(XEvent *e)

299 {

300 XMappingEvent *ev = &e->xmapping;

301

302 XRefreshKeyboardMapping(ev);

303 if(ev->request == MappingKeyboard)

304 grabkeys();

305 }

306

307 static void

308 maprequest(XEvent *e)

309 {

310 static XWindowAttributes wa;

311 XMapRequestEvent *ev = &e->xmaprequest;

312

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

314 return;

315

316 if(wa.override_redirect) {

317 XSelectInput(dpy, ev->window,

318 (StructureNotifyMask | PropertyChangeMask));

319 return;

320 }

321

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

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

324 }

325

326 static void

327 propertynotify(XEvent *e)

328 {

329 Client *c;

330 Window trans;

331 XPropertyEvent *ev = &e->xproperty;

332

333 if(ev->state == PropertyDelete)

334 return; /* ignore */

335

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

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

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

339 return;

340 }

341 switch (ev->atom) {

342 default: break;

343 case XA_WM_TRANSIENT_FOR:

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

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

346 arrange(NULL);

347 break;

348 case XA_WM_NORMAL_HINTS:

349 setsize(c);

350 break;

351 }

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

353 settitle(c);

354 drawtitle(c);

355 }

356 }

357 }

358

359 static void

360 unmapnotify(XEvent *e)

361 {

362 Client *c;

363 XUnmapEvent *ev = &e->xunmap;

364

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

366 unmanage(c);

367 }

368

369 /* extern */

370

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

372 [ButtonPress] = buttonpress,

373 [ConfigureRequest] = configurerequest,

374 [DestroyNotify] = destroynotify,

375 [EnterNotify] = enternotify,

376 [LeaveNotify] = leavenotify,

377 [Expose] = expose,

378 [KeyPress] = keypress,

379 [MappingNotify] = mappingnotify,

380 [MapRequest] = maprequest,

381 [PropertyNotify] = propertynotify,

382 [UnmapNotify] = unmapnotify

383 };

384

385 void

386 grabkeys()

387 {

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

389 unsigned int i;

390 KeyCode code;

391

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

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

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

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

396 GrabModeAsync, GrabModeAsync);

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

398 GrabModeAsync, GrabModeAsync);

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

400 GrabModeAsync, GrabModeAsync);

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

402 GrabModeAsync, GrabModeAsync);

403 }

404 }

405

406 void

407 procevent()

408 {

409 XEvent ev;

410

411 while(XPending(dpy)) {

412 XNextEvent(dpy, &ev);

413 if(handler[ev.type])

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

415 }

416 }

417