aewl: 0f91934037b0 event.c

aewl

view event.c @ 726:0f91934037b0

applied Sander's drop_bh patch

author	Anselm R. Garbe <arg@suckless.org>
date	Wed, 31 Jan 2007 20:08:55 +0100
parents	7034ee0f48d6
children	6283adb1fcf2

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 | SubstructureRedirectMask, &ev);

39 switch (ev.type) {

40 case ButtonRelease:

41 resize(c, True);

42 XUngrabPointer(dpy, CurrentTime);

43 return;

44 case ConfigureRequest:

45 case Expose:

46 case MapRequest:

47 handler[ev.type](&ev);

48 break;

49 case MotionNotify:

50 XSync(dpy, False);

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

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

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

54 c->x = wax;

55 else if(abs((wax + waw) - (c->x + c->w + 2 * c->border)) < SNAP)

56 c->x = wax + waw - c->w - 2 * c->border;

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

58 c->y = way;

59 else if(abs((way + wah) - (c->y + c->h + 2 * c->border)) < SNAP)

60 c->y = way + wah - c->h - 2 * c->border;

61 resize(c, False);

62 break;

63 }

64 }

65 }

67 static void

68 resizemouse(Client *c) {

69 int ocx, ocy;

70 int nw, nh;

71 XEvent ev;

73 ocx = c->x;

74 ocy = c->y;

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

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

77 return;

78 c->ismax = False;

79 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);

80 for(;;) {

81 XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);

82 switch(ev.type) {

83 case ButtonRelease:

84 resize(c, True);

85 XUngrabPointer(dpy, CurrentTime);

86 return;

87 case ConfigureRequest:

88 case Expose:

89 case MapRequest:

90 handler[ev.type](&ev);

91 break;

92 case MotionNotify:

93 XSync(dpy, False);

94 nw = ev.xmotion.x - ocx - 2 * c->border + 1;

95 c->w = nw > 0 ? nw : 1;

96 nh = ev.xmotion.y - ocy - 2 * c->border + 1;

97 c->h = nh > 0 ? nh : 1;

98 resize(c, True);

99 break;

100 }

101 }

102 }

103

104 static void

105 buttonpress(XEvent *e) {

106 int x;

107 Arg a;

108 Client *c;

109 XButtonPressedEvent *ev = &e->xbutton;

110

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

112 x = 0;

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

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

115 if(ev->x < x) {

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

117 if(ev->state & MODKEY)

118 tag(&a);

119 else

120 view(&a);

121 }

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

123 if(ev->state & MODKEY)

124 toggletag(&a);

125 else

126 toggleview(&a);

127 }

128 return;

129 }

130 }

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

132 switch(ev->button) {

133 case Button1:

134 togglemode(NULL);

135 break;

136 case Button4:

137 a.i = 1;

138 incnmaster(&a);

139 break;

140 case Button5:

141 a.i = -1;

142 incnmaster(&a);

143 break;

144 }

145 }

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

147 focus(c);

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

149 return;

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

151 restack();

152 movemouse(c);

153 }

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

155 zoom(NULL);

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

157 !c->isfixed) {

158 restack();

159 resizemouse(c);

160 }

161 }

162 }

163

164 static void

165 configurerequest(XEvent *e) {

166 unsigned long newmask;

167 Client *c;

168 XConfigureRequestEvent *ev = &e->xconfigurerequest;

169 XWindowChanges wc;

170

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

172 c->ismax = False;

173 if(ev->value_mask & CWX)

174 c->x = ev->x;

175 if(ev->value_mask & CWY)

176 c->y = ev->y;

177 if(ev->value_mask & CWWidth)

178 c->w = ev->width;

179 if(ev->value_mask & CWHeight)

180 c->h = ev->height;

181 if(ev->value_mask & CWBorderWidth)

182 c->border = ev->border_width;

183 wc.x = c->x;

184 wc.y = c->y;

185 wc.width = c->w;

186 wc.height = c->h;

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

188 if(newmask)

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

190 else

191 configure(c);

192 XSync(dpy, False);

193 if(c->isfloat) {

194 resize(c, False);

195 if(!isvisible(c))

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

197 }

198 else

199 arrange();

200 }

201 else {

202 wc.x = ev->x;

203 wc.y = ev->y;

204 wc.width = ev->width;

205 wc.height = ev->height;

206 wc.border_width = ev->border_width;

207 wc.sibling = ev->above;

208 wc.stack_mode = ev->detail;

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

210 XSync(dpy, False);

211 }

212 }

213

214 static void

215 destroynotify(XEvent *e) {

216 Client *c;

217 XDestroyWindowEvent *ev = &e->xdestroywindow;

218

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

220 unmanage(c);

221 }

222

223 static void

224 enternotify(XEvent *e) {

225 Client *c;

226 XCrossingEvent *ev = &e->xcrossing;

227

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

229 return;

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

231 focus(c);

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

233 selscreen = True;

234 for(c = stack; c && !isvisible(c); c = c->snext);

235 focus(c);

236 }

237 }

238

239 static void

240 expose(XEvent *e) {

241 XExposeEvent *ev = &e->xexpose;

242

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

244 if(barwin == ev->window)

245 drawstatus();

246 }

247 }

248

249 static void

250 keypress(XEvent *e) {

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

252 unsigned int i;

253 KeySym keysym;

254 XKeyEvent *ev = &e->xkey;

255

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

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

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

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

260 {

261 if(key[i].func)

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

263 }

264 }

265 }

266

267 static void

268 leavenotify(XEvent *e) {

269 XCrossingEvent *ev = &e->xcrossing;

270

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

272 selscreen = False;

273 focus(NULL);

274 }

275 }

276

277 static void

278 mappingnotify(XEvent *e) {

279 XMappingEvent *ev = &e->xmapping;

280

281 XRefreshKeyboardMapping(ev);

282 if(ev->request == MappingKeyboard)

283 grabkeys();

284 }

285

286 static void

287 maprequest(XEvent *e) {

288 static XWindowAttributes wa;

289 XMapRequestEvent *ev = &e->xmaprequest;

290

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

292 return;

293 if(wa.override_redirect) {

294 XSelectInput(dpy, ev->window,

295 (StructureNotifyMask | PropertyChangeMask));

296 return;

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

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

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

313 return;

314 }

315 switch (ev->atom) {

316 default: break;

317 case XA_WM_TRANSIENT_FOR:

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

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

320 arrange();

321 break;

322 case XA_WM_NORMAL_HINTS:

323 updatesizehints(c);

324 break;

325 }

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

327 updatetitle(c);

328 if(c == sel)

329 drawstatus();

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 }