aewl: 303d3384720e event.c

aewl

view event.c @ 490:303d3384720e

slight change of event handling order

author	arg@mmvi
date	Mon, 25 Sep 2006 21:28:00 +0200
parents	d34374cbe926
children	12395ef46d97

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 XUngrabPointer(dpy, CurrentTime);

42 return;

43 case Expose:

44 handler[Expose](&ev);

45 break;

46 case MotionNotify:

47 XSync(dpy, False);

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

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

50 resize(c, False, TopLeft);

51 break;

52 }

53 }

54 }

56 static void

57 resizemouse(Client *c) {

58 int ocx, ocy;

59 int nw, nh;

60 Corner sticky;

61 XEvent ev;

63 ocx = c->x;

64 ocy = c->y;

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

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

67 return;

68 c->ismax = False;

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

70 for(;;) {

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

72 switch(ev.type) {

73 case ButtonRelease:

74 XUngrabPointer(dpy, CurrentTime);

75 return;

76 case Expose:

77 handler[Expose](&ev);

78 break;

79 case MotionNotify:

80 XSync(dpy, False);

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

82 c->w = nw;

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

84 c->h = nh;

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

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

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

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

89 else

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

91 resize(c, True, sticky);

92 break;

93 }

94 }

95 }

97 static void

98 buttonpress(XEvent *e) {

99 int x;

100 Arg a;

101 Client *c;

102 XButtonPressedEvent *ev = &e->xbutton;

103

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

105 x = 0;

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

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

108 if(ev->x < x) {

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

110 if(ev->state & MODKEY)

111 tag(&a);

112 else

113 view(&a);

114 }

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

116 if(ev->state & MODKEY)

117 toggletag(&a);

118 else

119 toggleview(&a);

120 }

121 return;

122 }

123 }

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

125 if(ev->button == Button1)

126 togglemode(NULL);

127 }

128 }

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

130 focus(c);

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

132 return;

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

134 restack();

135 movemouse(c);

136 }

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

138 zoom(NULL);

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

140 restack();

141 resizemouse(c);

142 }

143 }

144 }

145

146 static void

147 configurerequest(XEvent *e) {

148 unsigned long newmask;

149 Client *c;

150 XConfigureRequestEvent *ev = &e->xconfigurerequest;

151 XEvent synev;

152 XWindowChanges wc;

153

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

155 c->ismax = False;

156 gravitate(c, True);

157 if(ev->value_mask & CWX)

158 c->x = ev->x;

159 if(ev->value_mask & CWY)

160 c->y = ev->y;

161 if(ev->value_mask & CWWidth)

162 c->w = ev->width;

163 if(ev->value_mask & CWHeight)

164 c->h = ev->height;

165 if(ev->value_mask & CWBorderWidth)

166 c->border = ev->border_width;

167 gravitate(c, False);

168 wc.x = c->x;

169 wc.y = c->y;

170 wc.width = c->w;

171 wc.height = c->h;

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

173 if(newmask)

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

175 else {

176 synev.type = ConfigureNotify;

177 synev.xconfigure.display = dpy;

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

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

180 synev.xconfigure.x = c->x;

181 synev.xconfigure.y = c->y;

182 synev.xconfigure.width = c->w;

183 synev.xconfigure.height = c->h;

184 synev.xconfigure.border_width = c->border;

185 synev.xconfigure.above = None;

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

187 }

188 XSync(dpy, False);

189 if(c->isfloat)

190 resize(c, False, TopLeft);

191 else

192 arrange(NULL);

193 }

194 else {

195 wc.x = ev->x;

196 wc.y = ev->y;

197 wc.width = ev->width;

198 wc.height = ev->height;

199 wc.border_width = ev->border_width;

200 wc.sibling = ev->above;

201 wc.stack_mode = ev->detail;

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

203 XSync(dpy, False);

204 }

205 }

206

207 static void

208 destroynotify(XEvent *e) {

209 Client *c;

210 XDestroyWindowEvent *ev = &e->xdestroywindow;

211

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

213 unmanage(c);

214 }

215

216 static void

217 enternotify(XEvent *e) {

218 Client *c;

219 XCrossingEvent *ev = &e->xcrossing;

220

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

222 return;

223

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

225 focus(c);

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

227 issel = True;

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

229 drawall();

230 }

231 }

232

233 static void

234 expose(XEvent *e) {

235 Client *c;

236 XExposeEvent *ev = &e->xexpose;

237

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

239 if(barwin == ev->window)

240 drawstatus();

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

242 drawtitle(c);

243 }

244 }

245

246 static void

247 keypress(XEvent *e) {

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

249 unsigned int i;

250 KeySym keysym;

251 XKeyEvent *ev = &e->xkey;

252

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

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

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

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

257 {

258 if(key[i].func)

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

260 return;

261 }

262 }

263 }

264

265 static void

266 leavenotify(XEvent *e) {

267 XCrossingEvent *ev = &e->xcrossing;

268

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

270 issel = False;

271 drawall();

272 }

273 }

274

275 static void

276 mappingnotify(XEvent *e) {

277 XMappingEvent *ev = &e->xmapping;

278

279 XRefreshKeyboardMapping(ev);

280 if(ev->request == MappingKeyboard)

281 grabkeys();

282 }

283

284 static void

285 maprequest(XEvent *e) {

286 static XWindowAttributes wa;

287 XMapRequestEvent *ev = &e->xmaprequest;

288

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

290 return;

291

292 if(wa.override_redirect) {

293 XSelectInput(dpy, ev->window,

294 (StructureNotifyMask | PropertyChangeMask));

295 return;

296 }

297

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

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

300 }

301

302 static void

303 propertynotify(XEvent *e) {

304 Client *c;

305 Window trans;

306 XPropertyEvent *ev = &e->xproperty;

307

308 if(ev->state == PropertyDelete)

309 return; /* ignore */

310

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

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

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

314 return;

315 }

316 switch (ev->atom) {

317 default: break;

318 case XA_WM_TRANSIENT_FOR:

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

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

321 arrange(NULL);

322 break;

323 case XA_WM_NORMAL_HINTS:

324 updatesize(c);

325 break;

326 }

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

328 updatetitle(c);

329 drawtitle(c);

330 }

331 }

332 }

333

334 static void

335 unmapnotify(XEvent *e) {

336 Client *c;

337 XUnmapEvent *ev = &e->xunmap;

338

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

340 unmanage(c);

341 }

342

343 /* extern */

344

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

346 [ButtonPress] = buttonpress,

347 [ConfigureRequest] = configurerequest,

348 [DestroyNotify] = destroynotify,

349 [EnterNotify] = enternotify,

350 [LeaveNotify] = leavenotify,

351 [Expose] = expose,

352 [KeyPress] = keypress,

353 [MappingNotify] = mappingnotify,

354 [MapRequest] = maprequest,

355 [PropertyNotify] = propertynotify,

356 [UnmapNotify] = unmapnotify

357 };

358

359 void

360 grabkeys(void) {

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

362 unsigned int i;

363 KeyCode code;

364

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

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

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

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

369 GrabModeAsync, GrabModeAsync);

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

371 GrabModeAsync, GrabModeAsync);

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

373 GrabModeAsync, GrabModeAsync);

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

375 GrabModeAsync, GrabModeAsync);

376 }

377 }

378

379 void

380 procevent(void) {

381 XEvent ev;

382

383 while(XPending(dpy)) {

384 XNextEvent(dpy, &ev);

385 if(handler[ev.type])

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

387 }

388 }