dwm-meillo: e8aa8f6e3481 event.c

dwm-meillo

view event.c @ 266:e8aa8f6e3481

supplying NULL args in select

author	Anselm R.Garbe <arg@10ksloc.org>
date	Mon, 14 Aug 2006 07:40:20 +0200
parents	d659a2dce2b5
children	8a8ea74e1b87

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 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 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 default: break;

74 case Expose:

75 handler[Expose](&ev);

76 break;

77 case MotionNotify:

78 XSync(dpy, False);

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

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

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

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

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

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

85 else

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

87 resize(c, True, sticky);

88 break;

89 case ButtonRelease:

90 XUngrabPointer(dpy, CurrentTime);

91 return;

92 }

93 }

94 }

96 static void

97 buttonpress(XEvent *e)

98 {

99 int x;

100 Arg a;

101 Client *c;

102 XButtonPressedEvent *ev = &e->xbutton;

103

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

105 switch(ev->button) {

106 default:

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 == Button3)

112 toggleview(&a);

113 else

114 view(&a);

115 return;

116 }

117 }

118 if(ev->button == Button1)

119 viewprev(&a);

120 else if(ev->button == Button3)

121 viewnext(&a);

122 break;

123 case Button4:

124 viewprev(&a);

125 break;

126 case Button5:

127 viewnext(&a);

128 break;

129 }

130 }

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

132 higher(c);

133 focus(c);

134 switch(ev->button) {

135 default:

136 break;

137 case Button1:

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

139 movemouse(c);

140 break;

141 case Button2:

142 zoom(NULL);

143 break;

144 case Button3:

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

146 resizemouse(c);

147 break;

148 }

149 }

150 }

151

152 static void

153 configurerequest(XEvent *e)

154 {

155 Client *c;

156 XConfigureRequestEvent *ev = &e->xconfigurerequest;

157 XEvent synev;

158 XWindowChanges wc;

159 unsigned long newmask;

160

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

162 gravitate(c, True);

163 if(ev->value_mask & CWX)

164 c->x = ev->x;

165 if(ev->value_mask & CWY)

166 c->y = ev->y;

167 if(ev->value_mask & CWWidth)

168 c->w = ev->width;

169 if(ev->value_mask & CWHeight)

170 c->h = ev->height;

171 if(ev->value_mask & CWBorderWidth)

172 c->border = ev->border_width;

173 gravitate(c, False);

174 wc.x = c->x;

175 wc.y = c->y;

176 wc.width = c->w;

177 wc.height = c->h;

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

179 if(newmask)

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

181 else {

182 synev.type = ConfigureNotify;

183 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

191 synev.xconfigure.above = None;

192 /* Send synthetic ConfigureNotify */

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

194 }

195 XSync(dpy, False);

196 if(c->isfloat)

197 resize(c, False, TopLeft);

198 else

199 arrange(NULL);

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 {

217 Client *c;

218 XDestroyWindowEvent *ev = &e->xdestroywindow;

219

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

221 unmanage(c);

222 }

223

224 static void

225 enternotify(XEvent *e)

226 {

227 Client *c;

228 XCrossingEvent *ev = &e->xcrossing;

229

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

231 return;

232

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

234 focus(c);

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

236 issel = True;

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

238 drawall();

239 }

240 }

241

242 static void

243 expose(XEvent *e)

244 {

245 Client *c;

246 XExposeEvent *ev = &e->xexpose;

247

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

249 if(barwin == ev->window)

250 drawstatus();

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

252 drawtitle(c);

253 }

254 }

255

256 static void

257 keypress(XEvent *e)

258 {

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

260 unsigned int i;

261 KeySym keysym;

262 XKeyEvent *ev = &e->xkey;

263

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

265 for(i = 0; i < len; i++)

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

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

268 if(key[i].func)

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

270 return;

271 }

272 }

273

274 static void

275 leavenotify(XEvent *e)

276 {

277 XCrossingEvent *ev = &e->xcrossing;

278

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

280 issel = False;

281 drawall();

282 }

283 }

284

285 static void

286 maprequest(XEvent *e)

287 {

288 static XWindowAttributes wa;

289 XMapRequestEvent *ev = &e->xmaprequest;

290

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

292 return;

293

294 if(wa.override_redirect) {

295 XSelectInput(dpy, ev->window,

296 (StructureNotifyMask | PropertyChangeMask));

297 return;

298 }

299

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

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

302 }

303

304 static void

305 propertynotify(XEvent *e)

306 {

307 Client *c;

308 Window trans;

309 XPropertyEvent *ev = &e->xproperty;

310

311 if(ev->state == PropertyDelete)

312 return; /* ignore */

313

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

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

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

317 return;

318 }

319 switch (ev->atom) {

320 default: break;

321 case XA_WM_TRANSIENT_FOR:

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

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

324 arrange(NULL);

325 break;

326 case XA_WM_NORMAL_HINTS:

327 setsize(c);

328 break;

329 }

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

331 settitle(c);

332 drawtitle(c);

333 }

334 }

335 }

336

337 static void

338 unmapnotify(XEvent *e)

339 {

340 Client *c;

341 XUnmapEvent *ev = &e->xunmap;

342

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

344 unmanage(c);

345 }

346

347 /* extern */

348

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

350 [ButtonPress] = buttonpress,

351 [ConfigureRequest] = configurerequest,

352 [DestroyNotify] = destroynotify,

353 [EnterNotify] = enternotify,

354 [LeaveNotify] = leavenotify,

355 [Expose] = expose,

356 [KeyPress] = keypress,

357 [MapRequest] = maprequest,

358 [PropertyNotify] = propertynotify,

359 [UnmapNotify] = unmapnotify

360 };

361

362 void

363 grabkeys()

364 {

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

366 unsigned int i;

367 KeyCode code;

368

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

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

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

372 GrabModeAsync, GrabModeAsync);

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

374 GrabModeAsync, GrabModeAsync);

375 XGrabKey(dpy, code, key[i].mod | NUMLOCKMASK, root, True,

376 GrabModeAsync, GrabModeAsync);

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

378 GrabModeAsync, GrabModeAsync);

379 }

380 }