aewl: 0d2559f46b9e event.c

aewl

view event.c @ 488:0d2559f46b9e

applied sanders jukka patch

author	arg@mmvi
date	Mon, 25 Sep 2006 20:38:30 +0200
parents	be4f90c03582
children	d34374cbe926

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();

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();

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 c->ismax = False;

194 gravitate(c, True);

195 if(ev->value_mask & CWX)

196 c->x = ev->x;

197 if(ev->value_mask & CWY)

198 c->y = ev->y;

199 if(ev->value_mask & CWWidth)

200 c->w = ev->width;

201 if(ev->value_mask & CWHeight)

202 c->h = ev->height;

203 if(ev->value_mask & CWBorderWidth)

204 c->border = ev->border_width;

205 gravitate(c, False);

206 wc.x = c->x;

207 wc.y = c->y;

208 wc.width = c->w;

209 wc.height = c->h;

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

211 if(newmask)

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

213 else

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

215 XSync(dpy, False);

216 if(c->isfloat)

217 resize(c, False, TopLeft);

218 else

219 arrange(NULL);

220 }

221 else {

222 wc.x = ev->x;

223 wc.y = ev->y;

224 wc.width = ev->width;

225 wc.height = ev->height;

226 wc.border_width = ev->border_width;

227 wc.sibling = ev->above;

228 wc.stack_mode = ev->detail;

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

230 XSync(dpy, False);

231 }

232 }

233

234 static void

235 destroynotify(XEvent *e) {

236 Client *c;

237 XDestroyWindowEvent *ev = &e->xdestroywindow;

238

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

240 unmanage(c);

241 }

242

243 static void

244 enternotify(XEvent *e) {

245 Client *c;

246 XCrossingEvent *ev = &e->xcrossing;

247

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

249 return;

250

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

252 focus(c);

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

254 issel = True;

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

256 drawall();

257 }

258 }

259

260 static void

261 expose(XEvent *e) {

262 Client *c;

263 XExposeEvent *ev = &e->xexpose;

264

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

266 if(barwin == ev->window)

267 drawstatus();

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

269 drawtitle(c);

270 }

271 }

272

273 static void

274 keypress(XEvent *e) {

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

276 unsigned int i;

277 KeySym keysym;

278 XKeyEvent *ev = &e->xkey;

279

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

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

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

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

284 {

285 if(key[i].func)

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

287 return;

288 }

289 }

290 }

291

292 static void

293 leavenotify(XEvent *e) {

294 XCrossingEvent *ev = &e->xcrossing;

295

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

297 issel = False;

298 drawall();

299 }

300 }

301

302 static void

303 mappingnotify(XEvent *e) {

304 XMappingEvent *ev = &e->xmapping;

305

306 XRefreshKeyboardMapping(ev);

307 if(ev->request == MappingKeyboard)

308 grabkeys();

309 }

310

311 static void

312 maprequest(XEvent *e) {

313 static XWindowAttributes wa;

314 XMapRequestEvent *ev = &e->xmaprequest;

315

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

317 return;

318

319 if(wa.override_redirect) {

320 XSelectInput(dpy, ev->window,

321 (StructureNotifyMask | PropertyChangeMask));

322 return;

323 }

324

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

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

327 }

328

329 static void

330 propertynotify(XEvent *e) {

331 Client *c;

332 Window trans;

333 XPropertyEvent *ev = &e->xproperty;

334

335 if(ev->state == PropertyDelete)

336 return; /* ignore */

337

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

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

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

341 return;

342 }

343 switch (ev->atom) {

344 default: break;

345 case XA_WM_TRANSIENT_FOR:

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

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

348 arrange(NULL);

349 break;

350 case XA_WM_NORMAL_HINTS:

351 updatesize(c);

352 break;

353 }

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

355 updatetitle(c);

356 drawtitle(c);

357 }

358 }

359 }

360

361 static void

362 unmapnotify(XEvent *e) {

363 Client *c;

364 XUnmapEvent *ev = &e->xunmap;

365

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

367 unmanage(c);

368 }

369

370 /* extern */

371

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

373 [ButtonPress] = buttonpress,

374 [ConfigureRequest] = configurerequest,

375 [DestroyNotify] = destroynotify,

376 [EnterNotify] = enternotify,

377 [LeaveNotify] = leavenotify,

378 [Expose] = expose,

379 [KeyPress] = keypress,

380 [MappingNotify] = mappingnotify,

381 [MapRequest] = maprequest,

382 [PropertyNotify] = propertynotify,

383 [UnmapNotify] = unmapnotify

384 };

385

386 void

387 grabkeys(void) {

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(void) {

408 XEvent ev;

409

410 while(XPending(dpy)) {

411 XNextEvent(dpy, &ev);

412 if(handler[ev.type])

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

414 }

415 }