dwm-meillo: 67f37b93ac73 event.c

dwm-meillo

view event.c @ 425:67f37b93ac73

fixing two off-by-ones

author	Anselm R. Garbe <arg@10kloc.org>
date	Tue, 05 Sep 2006 16:11:52 +0200
parents	74739798b0b2
children	ffb462fb7903

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 if(ev->button == Button1) {

113 if(ev->state & MODKEY)

114 tag(&a);

115 else

116 view(&a);

117 }

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

119 if(ev->state & MODKEY)

120 toggletag(&a);

121 else

122 toggleview(&a);

123 }

124 return;

125 }

126 }

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

128 if(ev->button == Button1)

129 togglemode(NULL);

130 }

131 }

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

133 focus(c);

134 if(maximized || CLEANMASK(ev->state) != MODKEY)

135 return;

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

137 restack(c);

138 movemouse(c);

139 }

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

141 zoom(NULL);

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

143 restack(c);

144 resizemouse(c);

145 }

146 }

147 }

148

149 static void

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

151 {

152 XEvent synev;

153

154 synev.type = ConfigureNotify;

155 synev.xconfigure.display = dpy;

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

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

158 synev.xconfigure.x = x;

159 synev.xconfigure.y = y;

160 synev.xconfigure.width = w;

161 synev.xconfigure.height = h;

162 synev.xconfigure.border_width = border;

163 synev.xconfigure.above = None;

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

165 }

166

167 static void

168 configurerequest(XEvent *e)

169 {

170 unsigned long newmask;

171 Client *c;

172 XConfigureRequestEvent *ev = &e->xconfigurerequest;

173 XWindowChanges wc;

174

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

176 if((c == sel) && !c->isfloat && (arrange != dofloat) && maximized) {

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

178 XSync(dpy, False);

179 return;

180 }

181 gravitate(c, True);

182 if(ev->value_mask & CWX)

183 c->x = ev->x;

184 if(ev->value_mask & CWY)

185 c->y = ev->y;

186 if(ev->value_mask & CWWidth)

187 c->w = ev->width;

188 if(ev->value_mask & CWHeight)

189 c->h = ev->height;

190 if(ev->value_mask & CWBorderWidth)

191 c->border = ev->border_width;

192 gravitate(c, False);

193 wc.x = c->x;

194 wc.y = c->y;

195 wc.width = c->w;

196 wc.height = c->h;

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

198 if(newmask)

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

200 else

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

202 XSync(dpy, False);

203 if(c->isfloat)

204 resize(c, False, TopLeft);

205 else

206 arrange(NULL);

207 }

208 else {

209 wc.x = ev->x;

210 wc.y = ev->y;

211 wc.width = ev->width;

212 wc.height = ev->height;

213 wc.border_width = ev->border_width;

214 wc.sibling = ev->above;

215 wc.stack_mode = ev->detail;

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

217 XSync(dpy, False);

218 }

219 }

220

221 static void

222 destroynotify(XEvent *e)

223 {

224 Client *c;

225 XDestroyWindowEvent *ev = &e->xdestroywindow;

226

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

228 unmanage(c);

229 }

230

231 static void

232 enternotify(XEvent *e)

233 {

234 Client *c;

235 XCrossingEvent *ev = &e->xcrossing;

236

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

238 return;

239

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

241 focus(c);

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

243 issel = True;

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

245 drawall();

246 }

247 }

248

249 static void

250 expose(XEvent *e)

251 {

252 Client *c;

253 XExposeEvent *ev = &e->xexpose;

254

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

256 if(barwin == ev->window)

257 drawstatus();

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

259 drawtitle(c);

260 }

261 }

262

263 static void

264 keypress(XEvent *e)

265 {

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

267 unsigned int i;

268 KeySym keysym;

269 XKeyEvent *ev = &e->xkey;

270

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

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

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

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

275 {

276 if(key[i].func)

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

278 return;

279 }

280 }

281 }

282

283 static void

284 leavenotify(XEvent *e)

285 {

286 XCrossingEvent *ev = &e->xcrossing;

287

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

289 issel = False;

290 drawall();

291 }

292 }

293

294 static void

295 mappingnotify(XEvent *e)

296 {

297 XMappingEvent *ev = &e->xmapping;

298

299 XRefreshKeyboardMapping(ev);

300 if(ev->request == MappingKeyboard)

301 grabkeys();

302 }

303

304 static void

305 maprequest(XEvent *e)

306 {

307 static XWindowAttributes wa;

308 XMapRequestEvent *ev = &e->xmaprequest;

309

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

311 return;

312

313 if(wa.override_redirect) {

314 XSelectInput(dpy, ev->window,

315 (StructureNotifyMask | PropertyChangeMask));

316 return;

317 }

318

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

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

321 }

322

323 static void

324 propertynotify(XEvent *e)

325 {

326 Client *c;

327 Window trans;

328 XPropertyEvent *ev = &e->xproperty;

329

330 if(ev->state == PropertyDelete)

331 return; /* ignore */

332

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

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

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

336 return;

337 }

338 switch (ev->atom) {

339 default: break;

340 case XA_WM_TRANSIENT_FOR:

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

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

343 arrange(NULL);

344 break;

345 case XA_WM_NORMAL_HINTS:

346 setsize(c);

347 break;

348 }

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

350 settitle(c);

351 drawtitle(c);

352 }

353 }

354 }

355

356 static void

357 unmapnotify(XEvent *e)

358 {

359 Client *c;

360 XUnmapEvent *ev = &e->xunmap;

361

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

363 unmanage(c);

364 }

365

366 /* extern */

367

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

369 [ButtonPress] = buttonpress,

370 [ConfigureRequest] = configurerequest,

371 [DestroyNotify] = destroynotify,

372 [EnterNotify] = enternotify,

373 [LeaveNotify] = leavenotify,

374 [Expose] = expose,

375 [KeyPress] = keypress,

376 [MappingNotify] = mappingnotify,

377 [MapRequest] = maprequest,

378 [PropertyNotify] = propertynotify,

379 [UnmapNotify] = unmapnotify

380 };

381

382 void

383 grabkeys()

384 {

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

386 unsigned int i;

387 KeyCode code;

388

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

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

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

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

393 GrabModeAsync, GrabModeAsync);

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

395 GrabModeAsync, GrabModeAsync);

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

397 GrabModeAsync, GrabModeAsync);

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

399 GrabModeAsync, GrabModeAsync);

400 }

401 }

402

403 void

404 procevent()

405 {

406 XEvent ev;

407

408 while(XPending(dpy)) {

409 XNextEvent(dpy, &ev);

410 if(handler[ev.type])

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

412 }

413 }

414