aewl: 163fdca8f064 event.c

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view event.c @ 706:163fdca8f064

deciding for focus(NULL);

author	Anselm R. Garbe <arg@suckless.org>
date	Fri, 19 Jan 2007 15:01:51 +0100
parents	1e571a8c7552
children	c3c57faef013

line source

1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>

2 * See LICENSE file for license details.

3 */

4 #include "dwm.h"

5 #include <stdlib.h>

6 #include <X11/keysym.h>

7 #include <X11/Xatom.h>

9 /* static */

11 typedef struct {

12 unsigned long mod;

13 KeySym keysym;

14 void (*func)(Arg *arg);

15 Arg arg;

16 } Key;

18 KEYS

20 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))

21 #define MOUSEMASK (BUTTONMASK | PointerMotionMask)

23 static void

24 movemouse(Client *c) {

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

26 unsigned int dui;

27 Window dummy;

28 XEvent ev;

30 ocx = c->x;

31 ocy = c->y;

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

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

34 return;

35 c->ismax = False;

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

37 for(;;) {

38 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);

39 switch (ev.type) {

40 case ButtonRelease:

41 resize(c, True, TopLeft);

42 XUngrabPointer(dpy, CurrentTime);

43 return;

44 case Expose:

45 handler[Expose](&ev);

46 break;

47 case MotionNotify:

48 XSync(dpy, False);

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

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

51 if(abs(wax + c->x) < SNAP)

52 c->x = wax;

53 else if(abs((wax + waw) - (c->x + c->w)) < SNAP)

54 c->x = wax + waw - c->w - 2 * BORDERPX;

55 if(abs(way - c->y) < SNAP)

56 c->y = way;

57 else if(abs((way + wah) - (c->y + c->h)) < SNAP)

58 c->y = way + wah - c->h - 2 * BORDERPX;

59 resize(c, False, TopLeft);

60 break;

61 }

62 }

63 }

65 static void

66 resizemouse(Client *c) {

67 int ocx, ocy;

68 int nw, nh;

69 Corner sticky;

70 XEvent ev;

72 ocx = c->x;

73 ocy = c->y;

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

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

76 return;

77 c->ismax = False;

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

79 for(;;) {

80 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);

81 switch(ev.type) {

82 case ButtonRelease:

83 resize(c, True, TopLeft);

84 XUngrabPointer(dpy, CurrentTime);

85 return;

86 case Expose:

87 handler[Expose](&ev);

88 break;

89 case MotionNotify:

90 XSync(dpy, False);

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

92 c->w = nw;

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

94 c->h = nh;

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

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

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

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

99 else

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

101 resize(c, True, sticky);

102 break;

103 }

104 }

105 }

106

107 static void

108 buttonpress(XEvent *e) {

109 int x;

110 Arg a;

111 Client *c;

112 XButtonPressedEvent *ev = &e->xbutton;

113

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

115 x = 0;

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

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

118 if(ev->x < x) {

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

120 if(ev->state & MODKEY)

121 tag(&a);

122 else

123 view(&a);

124 }

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

126 if(ev->state & MODKEY)

127 toggletag(&a);

128 else

129 toggleview(&a);

130 }

131 return;

132 }

133 }

134 if(ev->x < x + bmw)

135 switch(ev->button) {

136 case Button1:

137 togglemode(NULL);

138 break;

139 case Button4:

140 a.i = 1;

141 incnmaster(&a);

142 break;

143 case Button5:

144 a.i = -1;

145 incnmaster(&a);

146 break;

147 }

148 }

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

150 focus(c);

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

152 return;

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

154 restack();

155 movemouse(c);

156 }

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

158 zoom(NULL);

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

160 !c->isfixed) {

161 restack();

162 resizemouse(c);

163 }

164 }

165 }

166

167 static void

168 configurerequest(XEvent *e) {

169 unsigned long newmask;

170 Client *c;

171 XConfigureRequestEvent *ev = &e->xconfigurerequest;

172 XWindowChanges wc;

173

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

175 c->ismax = False;

176 if(ev->value_mask & CWX)

177 c->x = ev->x;

178 if(ev->value_mask & CWY)

179 c->y = ev->y;

180 if(ev->value_mask & CWWidth)

181 c->w = ev->width;

182 if(ev->value_mask & CWHeight)

183 c->h = ev->height;

184 if(ev->value_mask & CWBorderWidth)

185 c->border = ev->border_width;

186 wc.x = c->x;

187 wc.y = c->y;

188 wc.width = c->w;

189 wc.height = c->h;

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

191 if(newmask)

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

193 else

194 configure(c);

195 XSync(dpy, False);

196 if(c->isfloat) {

197 resize(c, False, TopLeft);

198 if(!isvisible(c))

199 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);

200 }

201 else

202 arrange();

203 }

204 else {

205 wc.x = ev->x;

206 wc.y = ev->y;

207 wc.width = ev->width;

208 wc.height = ev->height;

209 wc.border_width = ev->border_width;

210 wc.sibling = ev->above;

211 wc.stack_mode = ev->detail;

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

213 XSync(dpy, False);

214 }

215 }

216

217 static void

218 destroynotify(XEvent *e) {

219 Client *c;

220 XDestroyWindowEvent *ev = &e->xdestroywindow;

221

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

223 unmanage(c);

224 }

225

226 static void

227 enternotify(XEvent *e) {

228 Client *c;

229 XCrossingEvent *ev = &e->xcrossing;

230

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

232 return;

233 if((c = getclient(ev->window)) && isvisible(c))

234 focus(c);

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

236 issel = True;

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

238 if(sel)

239 focus(sel);

240 }

241 }

242

243 static void

244 expose(XEvent *e) {

245 XExposeEvent *ev = &e->xexpose;

246

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

248 if(barwin == ev->window)

249 drawstatus();

250 }

251 }

252

253 static void

254 keypress(XEvent *e) {

255 static unsigned int len = sizeof key / sizeof key[0];

256 unsigned int i;

257 KeySym keysym;

258 XKeyEvent *ev = &e->xkey;

259

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

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

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

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

264 {

265 if(key[i].func)

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

267 }

268 }

269 }

270

271 static void

272 leavenotify(XEvent *e) {

273 XCrossingEvent *ev = &e->xcrossing;

274

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

276 if(sel)

277 focus(NULL);

278 issel = False;

279 }

280 }

281

282 static void

283 mappingnotify(XEvent *e) {

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 static XWindowAttributes wa;

294 XMapRequestEvent *ev = &e->xmaprequest;

295

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

297 return;

298 if(wa.override_redirect) {

299 XSelectInput(dpy, ev->window,

300 (StructureNotifyMask | PropertyChangeMask));

301 return;

302 }

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

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

305 }

306

307 static void

308 propertynotify(XEvent *e) {

309 Client *c;

310 Window trans;

311 XPropertyEvent *ev = &e->xproperty;

312

313 if(ev->state == PropertyDelete)

314 return; /* ignore */

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

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

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

318 return;

319 }

320 switch (ev->atom) {

321 default: break;

322 case XA_WM_TRANSIENT_FOR:

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

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

325 arrange();

326 break;

327 case XA_WM_NORMAL_HINTS:

328 updatesizehints(c);

329 break;

330 }

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

332 updatetitle(c);

333 if(c == sel)

334 drawstatus();

335 }

336 }

337 }

338

339 static void

340 unmapnotify(XEvent *e) {

341 Client *c;

342 XUnmapEvent *ev = &e->xunmap;

343

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

345 unmanage(c);

346 }

347

348 /* extern */

349

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

351 [ButtonPress] = buttonpress,

352 [ConfigureRequest] = configurerequest,

353 [DestroyNotify] = destroynotify,

354 [EnterNotify] = enternotify,

355 [LeaveNotify] = leavenotify,

356 [Expose] = expose,

357 [KeyPress] = keypress,

358 [MappingNotify] = mappingnotify,

359 [MapRequest] = maprequest,

360 [PropertyNotify] = propertynotify,

361 [UnmapNotify] = unmapnotify

362 };

363

364 void

365 grabkeys(void) {

366 static unsigned int len = sizeof key / sizeof key[0];

367 unsigned int i;

368 KeyCode code;

369

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

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

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

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

374 GrabModeAsync, GrabModeAsync);

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

376 GrabModeAsync, GrabModeAsync);

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

378 GrabModeAsync, GrabModeAsync);

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

380 GrabModeAsync, GrabModeAsync);

381 }

382 }

383

384 void

385 procevent(void) {

386 XEvent ev;

387

388 while(XPending(dpy)) {

389 XNextEvent(dpy, &ev);

390 if(handler[ev.type])

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

392 }

393 }