aewl: e3179ce2b904 event.c

aewl

view event.c @ 390:e3179ce2b904

prepared 1.2

author	Anselm R. Garbe <arg@10kloc.org>
date	Wed, 30 Aug 2006 12:39:27 +0200
parents	58288246d16c
children	1da9a6b94ca9

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

152 {

153 XEvent synev;

154

155 synev.type = ConfigureNotify;

156 synev.xconfigure.display = dpy;

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

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

159 synev.xconfigure.x = x;

160 synev.xconfigure.y = y;

161 synev.xconfigure.width = w;

162 synev.xconfigure.height = h;

163 synev.xconfigure.border_width = border;

164 synev.xconfigure.above = None;

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

166 }

167

168 static void

169 configurerequest(XEvent *e)

170 {

171 unsigned long newmask;

172 Client *c;

173 XConfigureRequestEvent *ev = &e->xconfigurerequest;

174 XWindowChanges wc;

175

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

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

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

179 XSync(dpy, False);

180 return;

181 }

182 gravitate(c, True);

183 if(ev->value_mask & CWX)

184 c->x = ev->x;

185 if(ev->value_mask & CWY)

186 c->y = ev->y;

187 if(ev->value_mask & CWWidth)

188 c->w = ev->width;

189 if(ev->value_mask & CWHeight)

190 c->h = ev->height;

191 if(ev->value_mask & CWBorderWidth)

192 c->border = ev->border_width;

193 gravitate(c, False);

194 wc.x = c->x;

195 wc.y = c->y;

196 wc.width = c->w;

197 wc.height = c->h;

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

199 if(newmask)

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

201 else

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

203 XSync(dpy, False);

204 if(c->isfloat)

205 resize(c, False, TopLeft);

206 else

207 arrange(NULL);

208 }

209 else {

210 wc.x = ev->x;

211 wc.y = ev->y;

212 wc.width = ev->width;

213 wc.height = ev->height;

214 wc.border_width = ev->border_width;

215 wc.sibling = ev->above;

216 wc.stack_mode = ev->detail;

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

218 XSync(dpy, False);

219 }

220 }

221

222 static void

223 destroynotify(XEvent *e)

224 {

225 Client *c;

226 XDestroyWindowEvent *ev = &e->xdestroywindow;

227

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

229 unmanage(c);

230 }

231

232 static void

233 enternotify(XEvent *e)

234 {

235 Client *c;

236 XCrossingEvent *ev = &e->xcrossing;

237

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

239 return;

240

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

242 focus(c);

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

244 issel = True;

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

246 drawall();

247 }

248 }

249

250 static void

251 expose(XEvent *e)

252 {

253 Client *c;

254 XExposeEvent *ev = &e->xexpose;

255

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

257 if(barwin == ev->window)

258 drawstatus();

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

260 drawtitle(c);

261 }

262 }

263

264 static void

265 keypress(XEvent *e)

266 {

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

268 unsigned int i;

269 KeySym keysym;

270 XKeyEvent *ev = &e->xkey;

271

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

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

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

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

276 {

277 if(key[i].func)

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

279 return;

280 }

281 }

282 }

283

284 static void

285 leavenotify(XEvent *e)

286 {

287 XCrossingEvent *ev = &e->xcrossing;

288

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

290 issel = False;

291 drawall();

292 }

293 }

294

295 static void

296 mappingnotify(XEvent *e)

297 {

298 XMappingEvent *ev = &e->xmapping;

299

300 XRefreshKeyboardMapping(ev);

301 if(ev->request == MappingKeyboard)

302 grabkeys();

303 }

304

305 static void

306 maprequest(XEvent *e)

307 {

308 static XWindowAttributes wa;

309 XMapRequestEvent *ev = &e->xmaprequest;

310

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

312 return;

313

314 if(wa.override_redirect) {

315 XSelectInput(dpy, ev->window,

316 (StructureNotifyMask | PropertyChangeMask));

317 return;

318 }

319

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

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

322 }

323

324 static void

325 propertynotify(XEvent *e)

326 {

327 Client *c;

328 Window trans;

329 XPropertyEvent *ev = &e->xproperty;

330

331 if(ev->state == PropertyDelete)

332 return; /* ignore */

333

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

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

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

337 return;

338 }

339 switch (ev->atom) {

340 default: break;

341 case XA_WM_TRANSIENT_FOR:

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

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

344 arrange(NULL);

345 break;

346 case XA_WM_NORMAL_HINTS:

347 setsize(c);

348 break;

349 }

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

351 settitle(c);

352 drawtitle(c);

353 }

354 }

355 }

356

357 static void

358 unmapnotify(XEvent *e)

359 {

360 Client *c;

361 XUnmapEvent *ev = &e->xunmap;

362

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

364 unmanage(c);

365 }

366

367 /* extern */

368

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

370 [ButtonPress] = buttonpress,

371 [ConfigureRequest] = configurerequest,

372 [DestroyNotify] = destroynotify,

373 [EnterNotify] = enternotify,

374 [LeaveNotify] = leavenotify,

375 [Expose] = expose,

376 [KeyPress] = keypress,

377 [MappingNotify] = mappingnotify,

378 [MapRequest] = maprequest,

379 [PropertyNotify] = propertynotify,

380 [UnmapNotify] = unmapnotify

381 };

382

383 void

384 grabkeys()

385 {

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

387 unsigned int i;

388 KeyCode code;

389

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

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

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

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

394 GrabModeAsync, GrabModeAsync);

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

396 GrabModeAsync, GrabModeAsync);

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

398 GrabModeAsync, GrabModeAsync);

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

400 GrabModeAsync, GrabModeAsync);

401 }

402 }

403

404 void

405 procevent()

406 {

407 XEvent ev;

408

409 while(XPending(dpy)) {

410 XNextEvent(dpy, &ev);

411 if(handler[ev.type])

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

413 }

414 }

415