aewl: c07a78138aac event.c

aewl

view event.c @ 527:c07a78138aac

Added tag 1.8 for changeset c71952fa3c7ca848ec38a6923b5c6d0e18fff431

author	Anselm R. Garbe <arg@10kloc.org>
date	Thu, 05 Oct 2006 19:00:58 +0200
parents	ede48935f2b3
children	451f19d48845

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 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 resize(c, False, TopLeft);

52 break;

53 }

54 }

55 }

57 static void

58 resizemouse(Client *c) {

59 int ocx, ocy;

60 int nw, nh;

61 Corner sticky;

62 XEvent ev;

64 ocx = c->x;

65 ocy = c->y;

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

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

68 return;

69 c->ismax = False;

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 case ButtonRelease:

75 resize(c, True, TopLeft);

76 XUngrabPointer(dpy, CurrentTime);

77 return;

78 case Expose:

79 handler[Expose](&ev);

80 break;

81 case MotionNotify:

82 XSync(dpy, False);

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

84 c->w = nw;

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

86 c->h = nh;

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

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

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

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

91 else

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

93 resize(c, True, sticky);

94 break;

95 }

96 }

97 }

99 static void

100 buttonpress(XEvent *e) {

101 int x;

102 Arg a;

103 Client *c;

104 XButtonPressedEvent *ev = &e->xbutton;

105

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

107 x = 0;

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

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

110 if(ev->x < x) {

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

112 if(ev->state & MODKEY)

113 tag(&a);

114 else

115 view(&a);

116 }

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

118 if(ev->state & MODKEY)

119 toggletag(&a);

120 else

121 toggleview(&a);

122 }

123 return;

124 }

125 }

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

127 if(ev->button == Button1)

128 togglemode(NULL);

129 else if(ev->button == Button3)

130 togglestackpos(NULL);

131 }

132 }

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

134 focus(c);

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

136 return;

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

138 restack();

139 movemouse(c);

140 }

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

142 zoom(NULL);

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

144 restack();

145 resizemouse(c);

146 }

147 }

148 }

149

150 static void

151 configurerequest(XEvent *e) {

152 unsigned long newmask;

153 Client *c;

154 XConfigureRequestEvent *ev = &e->xconfigurerequest;

155 XWindowChanges wc;

156

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

158 c->ismax = False;

159 gravitate(c, True);

160 if(ev->value_mask & CWX)

161 c->x = ev->x;

162 if(ev->value_mask & CWY)

163 c->y = ev->y;

164 if(ev->value_mask & CWWidth)

165 c->w = ev->width;

166 if(ev->value_mask & CWHeight)

167 c->h = ev->height;

168 if(ev->value_mask & CWBorderWidth)

169 c->border = ev->border_width;

170 gravitate(c, False);

171 wc.x = c->x;

172 wc.y = c->y;

173 wc.width = c->w;

174 wc.height = c->h;

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

176 if(newmask)

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

178 else

179 configure(c);

180 XSync(dpy, False);

181 if(c->isfloat) {

182 resize(c, False, TopLeft);

183 if(!isvisible(c))

184 ban(c);

185 }

186 else

187 arrange(NULL);

188 }

189 else {

190 wc.x = ev->x;

191 wc.y = ev->y;

192 wc.width = ev->width;

193 wc.height = ev->height;

194 wc.border_width = ev->border_width;

195 wc.sibling = ev->above;

196 wc.stack_mode = ev->detail;

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

198 XSync(dpy, False);

199 }

200 }

201

202 static void

203 destroynotify(XEvent *e) {

204 Client *c;

205 XDestroyWindowEvent *ev = &e->xdestroywindow;

206

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

208 unmanage(c);

209 }

210

211 static void

212 enternotify(XEvent *e) {

213 Client *c;

214 XCrossingEvent *ev = &e->xcrossing;

215

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

217 return;

218

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

220 focus(c);

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

222 issel = True;

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

224 drawall();

225 }

226 }

227

228 static void

229 expose(XEvent *e) {

230 Client *c;

231 XExposeEvent *ev = &e->xexpose;

232

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

234 if(barwin == ev->window)

235 drawstatus();

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

237 drawtitle(c);

238 }

239 }

240

241 static void

242 keypress(XEvent *e) {

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

244 unsigned int i;

245 KeySym keysym;

246 XKeyEvent *ev = &e->xkey;

247

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

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

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

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

252 {

253 if(key[i].func)

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

255 return;

256 }

257 }

258 }

259

260 static void

261 leavenotify(XEvent *e) {

262 XCrossingEvent *ev = &e->xcrossing;

263

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

265 issel = False;

266 drawall();

267 }

268 }

269

270 static void

271 mappingnotify(XEvent *e) {

272 XMappingEvent *ev = &e->xmapping;

273

274 XRefreshKeyboardMapping(ev);

275 if(ev->request == MappingKeyboard)

276 grabkeys();

277 }

278

279 static void

280 maprequest(XEvent *e) {

281 static XWindowAttributes wa;

282 XMapRequestEvent *ev = &e->xmaprequest;

283

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

285 return;

286

287 if(wa.override_redirect) {

288 XSelectInput(dpy, ev->window,

289 (StructureNotifyMask | PropertyChangeMask));

290 return;

291 }

292

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

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

295 }

296

297 static void

298 propertynotify(XEvent *e) {

299 Client *c;

300 Window trans;

301 XPropertyEvent *ev = &e->xproperty;

302

303 if(ev->state == PropertyDelete)

304 return; /* ignore */

305

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

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

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

309 return;

310 }

311 switch (ev->atom) {

312 default: break;

313 case XA_WM_TRANSIENT_FOR:

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

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

316 arrange(NULL);

317 break;

318 case XA_WM_NORMAL_HINTS:

319 updatesize(c);

320 break;

321 }

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

323 updatetitle(c);

324 resizetitle(c);

325 drawtitle(c);

326 }

327 }

328 }

329

330 static void

331 unmapnotify(XEvent *e) {

332 Client *c;

333 XUnmapEvent *ev = &e->xunmap;

334

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

336 unmanage(c);

337 }

338

339 /* extern */

340

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

342 [ButtonPress] = buttonpress,

343 [ConfigureRequest] = configurerequest,

344 [DestroyNotify] = destroynotify,

345 [EnterNotify] = enternotify,

346 [LeaveNotify] = leavenotify,

347 [Expose] = expose,

348 [KeyPress] = keypress,

349 [MappingNotify] = mappingnotify,

350 [MapRequest] = maprequest,

351 [PropertyNotify] = propertynotify,

352 [UnmapNotify] = unmapnotify

353 };

354

355 void

356 grabkeys(void) {

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

358 unsigned int i;

359 KeyCode code;

360

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

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

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

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

365 GrabModeAsync, GrabModeAsync);

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

367 GrabModeAsync, GrabModeAsync);

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

369 GrabModeAsync, GrabModeAsync);

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

371 GrabModeAsync, GrabModeAsync);

372 }

373 }

374

375 void

376 procevent(void) {

377 XEvent ev;

378

379 while(XPending(dpy)) {

380 XNextEvent(dpy, &ev);

381 if(handler[ev.type])

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

383 }

384 }