dwm-meillo: 0dfa6b752aed event.c

dwm-meillo

view event.c @ 510:0dfa6b752aed

small fix of a corner case

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 29 Sep 2006 16:54:15 +0200
parents	b467b5a749db
children	834a77509a64

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 XWindowChanges wc;

154

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

156 c->ismax = False;

157 gravitate(c, True);

158 if(ev->value_mask & CWX)

159 c->x = ev->x;

160 if(ev->value_mask & CWY)

161 c->y = ev->y;

162 if(ev->value_mask & CWWidth)

163 c->w = ev->width;

164 if(ev->value_mask & CWHeight)

165 c->h = ev->height;

166 if(ev->value_mask & CWBorderWidth)

167 c->border = ev->border_width;

168 gravitate(c, False);

169 wc.x = c->x;

170 wc.y = c->y;

171 wc.width = c->w;

172 wc.height = c->h;

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

174 if(newmask)

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

176 else

177 configure(c);

178 XSync(dpy, False);

179 if(c->isfloat) {

180 resize(c, False, TopLeft);

181 if(!isvisible(c))

182 ban(c);

183 }

184 else

185 arrange(NULL);

186 }

187 else {

188 wc.x = ev->x;

189 wc.y = ev->y;

190 wc.width = ev->width;

191 wc.height = ev->height;

192 wc.border_width = ev->border_width;

193 wc.sibling = ev->above;

194 wc.stack_mode = ev->detail;

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

196 XSync(dpy, False);

197 }

198 }

199

200 static void

201 destroynotify(XEvent *e) {

202 Client *c;

203 XDestroyWindowEvent *ev = &e->xdestroywindow;

204

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

206 unmanage(c);

207 }

208

209 static void

210 enternotify(XEvent *e) {

211 Client *c;

212 XCrossingEvent *ev = &e->xcrossing;

213

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

215 return;

216

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

218 focus(c);

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

220 issel = True;

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

222 drawall();

223 }

224 }

225

226 static void

227 expose(XEvent *e) {

228 Client *c;

229 XExposeEvent *ev = &e->xexpose;

230

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

232 if(barwin == ev->window)

233 drawstatus();

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

235 drawtitle(c);

236 }

237 }

238

239 static void

240 keypress(XEvent *e) {

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

242 unsigned int i;

243 KeySym keysym;

244 XKeyEvent *ev = &e->xkey;

245

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

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

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

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

250 {

251 if(key[i].func)

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

253 return;

254 }

255 }

256 }

257

258 static void

259 leavenotify(XEvent *e) {

260 XCrossingEvent *ev = &e->xcrossing;

261

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

263 issel = False;

264 drawall();

265 }

266 }

267

268 static void

269 mappingnotify(XEvent *e) {

270 XMappingEvent *ev = &e->xmapping;

271

272 XRefreshKeyboardMapping(ev);

273 if(ev->request == MappingKeyboard)

274 grabkeys();

275 }

276

277 static void

278 maprequest(XEvent *e) {

279 static XWindowAttributes wa;

280 XMapRequestEvent *ev = &e->xmaprequest;

281

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

283 return;

284

285 if(wa.override_redirect) {

286 XSelectInput(dpy, ev->window,

287 (StructureNotifyMask | PropertyChangeMask));

288 return;

289 }

290

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

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

293 }

294

295 static void

296 propertynotify(XEvent *e) {

297 Client *c;

298 Window trans;

299 XPropertyEvent *ev = &e->xproperty;

300

301 if(ev->state == PropertyDelete)

302 return; /* ignore */

303

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

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

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

307 return;

308 }

309 switch (ev->atom) {

310 default: break;

311 case XA_WM_TRANSIENT_FOR:

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

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

314 arrange(NULL);

315 break;

316 case XA_WM_NORMAL_HINTS:

317 updatesize(c);

318 break;

319 }

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

321 updatetitle(c);

322 resizetitle(c);

323 drawtitle(c);

324 }

325 }

326 }

327

328 static void

329 unmapnotify(XEvent *e) {

330 Client *c;

331 XUnmapEvent *ev = &e->xunmap;

332

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

334 unmanage(c);

335 }

336

337 /* extern */

338

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

340 [ButtonPress] = buttonpress,

341 [ConfigureRequest] = configurerequest,

342 [DestroyNotify] = destroynotify,

343 [EnterNotify] = enternotify,

344 [LeaveNotify] = leavenotify,

345 [Expose] = expose,

346 [KeyPress] = keypress,

347 [MappingNotify] = mappingnotify,

348 [MapRequest] = maprequest,

349 [PropertyNotify] = propertynotify,

350 [UnmapNotify] = unmapnotify

351 };

352

353 void

354 grabkeys(void) {

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

356 unsigned int i;

357 KeyCode code;

358

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

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

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

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

363 GrabModeAsync, GrabModeAsync);

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

365 GrabModeAsync, GrabModeAsync);

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

367 GrabModeAsync, GrabModeAsync);

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

369 GrabModeAsync, GrabModeAsync);

370 }

371 }

372

373 void

374 procevent(void) {

375 XEvent ev;

376

377 while(XPending(dpy)) {

378 XNextEvent(dpy, &ev);

379 if(handler[ev.type])

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

381 }

382 }