aewl: 9c703e528e58 event.c

aewl

view event.c @ 398:9c703e528e58

applied sanders patch

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 01 Sep 2006 10:32:50 +0200
parents	1da9a6b94ca9
children	74739798b0b2

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 {

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

27 unsigned int dui;

28 Window dummy;

29 XEvent ev;

31 ocx = c->x;

32 ocy = c->y;

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

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

35 return;

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

37 for(;;) {

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

39 switch (ev.type) {

40 default: break;

41 case Expose:

42 handler[Expose](&ev);

43 break;

44 case MotionNotify:

45 XSync(dpy, False);

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

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

48 resize(c, False, TopLeft);

49 break;

50 case ButtonRelease:

51 XUngrabPointer(dpy, CurrentTime);

52 return;

53 }

54 }

55 }

57 static void

58 resizemouse(Client *c)

59 {

60 int ocx, ocy;

61 int nw, nh;

62 Corner sticky;

63 XEvent ev;

65 ocx = c->x;

66 ocy = c->y;

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

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

69 return;

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 default: break;

75 case Expose:

76 handler[Expose](&ev);

77 break;

78 case MotionNotify:

79 XSync(dpy, False);

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

81 c->w = abs(ocx - ev.xmotion.x);

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

83 c->h = abs(ocy - ev.xmotion.y);

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

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

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

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

88 else

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

90 resize(c, True, sticky);

91 break;

92 case ButtonRelease:

93 XUngrabPointer(dpy, CurrentTime);

94 return;

95 }

96 }

97 }

99 static void

100 buttonpress(XEvent *e)

101 {

102 int x;

103 Arg a;

104 Client *c;

105 XButtonPressedEvent *ev = &e->xbutton;

106

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

108 x = 0;

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

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

111 if(ev->x < x) {

112 switch(ev->button) {

113 case Button1:

114 if(ev->state & MODKEY)

115 tag(&a);

116 else

117 view(&a);

118 break;

119 case Button3:

120 if(ev->state & MODKEY)

121 toggletag(&a);

122 else

123 toggleview(&a);

124 break;

125 }

126 return;

127 }

128 }

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

130 if(ev->button == Button1)

131 togglemode(NULL);

132 }

133 }

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

135 focus(c);

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

137 return;

138 switch(ev->button) {

139 default:

140 break;

141 case Button1:

142 if(!c->ismax && (arrange == dofloat || c->isfloat)) {

143 restack(c);

144 movemouse(c);

145 }

146 break;

147 case Button2:

148 zoom(NULL);

149 break;

150 case Button3:

151 if(!c->ismax && (arrange == dofloat || c->isfloat)) {

152 restack(c);

153 resizemouse(c);

154 }

155 break;

156 }

157 }

158 }

159

160 static void

161 synconfig(Client *c, int x, int y, int w, int h, unsigned int border)

162 {

163 XEvent synev;

164

165 synev.type = ConfigureNotify;

166 synev.xconfigure.display = dpy;

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

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

169 synev.xconfigure.x = x;

170 synev.xconfigure.y = y;

171 synev.xconfigure.width = w;

172 synev.xconfigure.height = h;

173 synev.xconfigure.border_width = border;

174 synev.xconfigure.above = None;

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

176 }

177

178 static void

179 configurerequest(XEvent *e)

180 {

181 unsigned long newmask;

182 Client *c;

183 XConfigureRequestEvent *ev = &e->xconfigurerequest;

184 XWindowChanges wc;

185

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

187 if(!c->isfloat && (arrange != dofloat) && c->ismax) {

188 synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);

189 XSync(dpy, False);

190 return;

191 }

192 gravitate(c, True);

193 if(ev->value_mask & CWX)

194 c->x = ev->x;

195 if(ev->value_mask & CWY)

196 c->y = ev->y;

197 if(ev->value_mask & CWWidth)

198 c->w = ev->width;

199 if(ev->value_mask & CWHeight)

200 c->h = ev->height;

201 if(ev->value_mask & CWBorderWidth)

202 c->border = ev->border_width;

203 gravitate(c, False);

204 wc.x = c->x;

205 wc.y = c->y;

206 wc.width = c->w;

207 wc.height = c->h;

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

209 if(newmask)

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

211 else

212 synconfig(c, c->x, c->y, c->w, c->h, c->border);

213 XSync(dpy, False);

214 if(c->isfloat)

215 resize(c, False, TopLeft);

216 else

217 arrange(NULL);

218 }

219 else {

220 wc.x = ev->x;

221 wc.y = ev->y;

222 wc.width = ev->width;

223 wc.height = ev->height;

224 wc.border_width = ev->border_width;

225 wc.sibling = ev->above;

226 wc.stack_mode = ev->detail;

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

228 XSync(dpy, False);

229 }

230 }

231

232 static void

233 destroynotify(XEvent *e)

234 {

235 Client *c;

236 XDestroyWindowEvent *ev = &e->xdestroywindow;

237

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

239 unmanage(c);

240 }

241

242 static void

243 enternotify(XEvent *e)

244 {

245 Client *c;

246 XCrossingEvent *ev = &e->xcrossing;

247

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

249 return;

250

251 if((c = getclient(ev->window)) || (c = getctitle(ev->window)))

252 focus(c);

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

254 issel = True;

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

256 drawall();

257 }

258 }

259

260 static void

261 expose(XEvent *e)

262 {

263 Client *c;

264 XExposeEvent *ev = &e->xexpose;

265

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

267 if(barwin == ev->window)

268 drawstatus();

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

270 drawtitle(c);

271 }

272 }

273

274 static void

275 keypress(XEvent *e)

276 {

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

278 unsigned int i;

279 KeySym keysym;

280 XKeyEvent *ev = &e->xkey;

281

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

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

284 if(keysym == key[i].keysym &&

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

286 {

287 if(key[i].func)

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

289 return;

290 }

291 }

292 }

293

294 static void

295 leavenotify(XEvent *e)

296 {

297 XCrossingEvent *ev = &e->xcrossing;

298

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

300 issel = False;

301 drawall();

302 }

303 }

304

305 static void

306 mappingnotify(XEvent *e)

307 {

308 XMappingEvent *ev = &e->xmapping;

309

310 XRefreshKeyboardMapping(ev);

311 if(ev->request == MappingKeyboard)

312 grabkeys();

313 }

314

315 static void

316 maprequest(XEvent *e)

317 {

318 static XWindowAttributes wa;

319 XMapRequestEvent *ev = &e->xmaprequest;

320

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

322 return;

323

324 if(wa.override_redirect) {

325 XSelectInput(dpy, ev->window,

326 (StructureNotifyMask | PropertyChangeMask));

327 return;

328 }

329

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

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

332 }

333

334 static void

335 propertynotify(XEvent *e)

336 {

337 Client *c;

338 Window trans;

339 XPropertyEvent *ev = &e->xproperty;

340

341 if(ev->state == PropertyDelete)

342 return; /* ignore */

343

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

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

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

347 return;

348 }

349 switch (ev->atom) {

350 default: break;

351 case XA_WM_TRANSIENT_FOR:

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

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

354 arrange(NULL);

355 break;

356 case XA_WM_NORMAL_HINTS:

357 setsize(c);

358 break;

359 }

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

361 settitle(c);

362 drawtitle(c);

363 }

364 }

365 }

366

367 static void

368 unmapnotify(XEvent *e)

369 {

370 Client *c;

371 XUnmapEvent *ev = &e->xunmap;

372

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

374 unmanage(c);

375 }

376

377 /* extern */

378

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

380 [ButtonPress] = buttonpress,

381 [ConfigureRequest] = configurerequest,

382 [DestroyNotify] = destroynotify,

383 [EnterNotify] = enternotify,

384 [LeaveNotify] = leavenotify,

385 [Expose] = expose,

386 [KeyPress] = keypress,

387 [MappingNotify] = mappingnotify,

388 [MapRequest] = maprequest,

389 [PropertyNotify] = propertynotify,

390 [UnmapNotify] = unmapnotify

391 };

392

393 void

394 grabkeys()

395 {

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

397 unsigned int i;

398 KeyCode code;

399

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

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

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

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

404 GrabModeAsync, GrabModeAsync);

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

406 GrabModeAsync, GrabModeAsync);

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

408 GrabModeAsync, GrabModeAsync);

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

410 GrabModeAsync, GrabModeAsync);

411 }

412 }

413

414 void

415 procevent()

416 {

417 XEvent ev;

418

419 while(XPending(dpy)) {

420 XNextEvent(dpy, &ev);

421 if(handler[ev.type])

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

423 }

424 }

425