aewl: 4dbdb61c8b8c event.c

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view event.c @ 497:4dbdb61c8b8c

updated README

author	arg@mmvi
date	Tue, 26 Sep 2006 14:32:02 +0200
parents	12395ef46d97
children	2ca011c56385

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 }

130 }

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

132 focus(c);

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

134 return;

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

136 restack();

137 movemouse(c);

138 }

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

140 zoom(NULL);

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

142 restack();

143 resizemouse(c);

144 }

145 }

146 }

147

148 static void

149 configurerequest(XEvent *e) {

150 unsigned long newmask;

151 Client *c;

152 XConfigureRequestEvent *ev = &e->xconfigurerequest;

153 XEvent synev;

154 XWindowChanges wc;

155

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

157 c->ismax = False;

158 gravitate(c, True);

159 if(ev->value_mask & CWX)

160 c->x = ev->x;

161 if(ev->value_mask & CWY)

162 c->y = ev->y;

163 if(ev->value_mask & CWWidth)

164 c->w = ev->width;

165 if(ev->value_mask & CWHeight)

166 c->h = ev->height;

167 if(ev->value_mask & CWBorderWidth)

168 c->border = ev->border_width;

169 gravitate(c, False);

170 wc.x = c->x;

171 wc.y = c->y;

172 wc.width = c->w;

173 wc.height = c->h;

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

175 if(newmask)

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

177 else

178 configure(c);

179 XSync(dpy, False);

180 if(c->isfloat)

181 resize(c, False, TopLeft);

182 else

183 arrange(NULL);

184 }

185 else {

186 wc.x = ev->x;

187 wc.y = ev->y;

188 wc.width = ev->width;

189 wc.height = ev->height;

190 wc.border_width = ev->border_width;

191 wc.sibling = ev->above;

192 wc.stack_mode = ev->detail;

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

194 XSync(dpy, False);

195 }

196 }

197

198 static void

199 destroynotify(XEvent *e) {

200 Client *c;

201 XDestroyWindowEvent *ev = &e->xdestroywindow;

202

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

204 unmanage(c);

205 }

206

207 static void

208 enternotify(XEvent *e) {

209 Client *c;

210 XCrossingEvent *ev = &e->xcrossing;

211

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

213 return;

214

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

216 focus(c);

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

218 issel = True;

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

220 drawall();

221 }

222 }

223

224 static void

225 expose(XEvent *e) {

226 Client *c;

227 XExposeEvent *ev = &e->xexpose;

228

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

230 if(barwin == ev->window)

231 drawstatus();

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

233 drawtitle(c);

234 }

235 }

236

237 static void

238 keypress(XEvent *e) {

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

240 unsigned int i;

241 KeySym keysym;

242 XKeyEvent *ev = &e->xkey;

243

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

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

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

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

248 {

249 if(key[i].func)

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

251 return;

252 }

253 }

254 }

255

256 static void

257 leavenotify(XEvent *e) {

258 XCrossingEvent *ev = &e->xcrossing;

259

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

261 issel = False;

262 drawall();

263 }

264 }

265

266 static void

267 mappingnotify(XEvent *e) {

268 XMappingEvent *ev = &e->xmapping;

269

270 XRefreshKeyboardMapping(ev);

271 if(ev->request == MappingKeyboard)

272 grabkeys();

273 }

274

275 static void

276 maprequest(XEvent *e) {

277 static XWindowAttributes wa;

278 XMapRequestEvent *ev = &e->xmaprequest;

279

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

281 return;

282

283 if(wa.override_redirect) {

284 XSelectInput(dpy, ev->window,

285 (StructureNotifyMask | PropertyChangeMask));

286 return;

287 }

288

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

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

291 }

292

293 static void

294 propertynotify(XEvent *e) {

295 Client *c;

296 Window trans;

297 XPropertyEvent *ev = &e->xproperty;

298

299 if(ev->state == PropertyDelete)

300 return; /* ignore */

301

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

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

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

305 return;

306 }

307 switch (ev->atom) {

308 default: break;

309 case XA_WM_TRANSIENT_FOR:

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

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

312 arrange(NULL);

313 break;

314 case XA_WM_NORMAL_HINTS:

315 updatesize(c);

316 break;

317 }

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

319 updatetitle(c);

320 drawtitle(c);

321 }

322 }

323 }

324

325 static void

326 unmapnotify(XEvent *e) {

327 Client *c;

328 XUnmapEvent *ev = &e->xunmap;

329

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

331 unmanage(c);

332 }

333

334 /* extern */

335

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

337 [ButtonPress] = buttonpress,

338 [ConfigureRequest] = configurerequest,

339 [DestroyNotify] = destroynotify,

340 [EnterNotify] = enternotify,

341 [LeaveNotify] = leavenotify,

342 [Expose] = expose,

343 [KeyPress] = keypress,

344 [MappingNotify] = mappingnotify,

345 [MapRequest] = maprequest,

346 [PropertyNotify] = propertynotify,

347 [UnmapNotify] = unmapnotify

348 };

349

350 void

351 grabkeys(void) {

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

353 unsigned int i;

354 KeyCode code;

355

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

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

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

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

360 GrabModeAsync, GrabModeAsync);

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

362 GrabModeAsync, GrabModeAsync);

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

364 GrabModeAsync, GrabModeAsync);

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

366 GrabModeAsync, GrabModeAsync);

367 }

368 }

369

370 void

371 procevent(void) {

372 XEvent ev;

373

374 while(XPending(dpy)) {

375 XNextEvent(dpy, &ev);

376 if(handler[ev.type])

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

378 }

379 }