aewl: 2824b5d0f0f0 event.c

aewl

view event.c @ 507:2824b5d0f0f0

prelim of dotile()

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 29 Sep 2006 14:39:03 +0200
parents	2c29d74b11dc
children	ede48935f2b3

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 if(isvisible(c))

181 resize(c, False, TopLeft);

182 }

183 else

184 arrange(NULL);

185 }

186 else {

187 wc.x = ev->x;

188 wc.y = ev->y;

189 wc.width = ev->width;

190 wc.height = ev->height;

191 wc.border_width = ev->border_width;

192 wc.sibling = ev->above;

193 wc.stack_mode = ev->detail;

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

195 XSync(dpy, False);

196 }

197 }

198

199 static void

200 destroynotify(XEvent *e) {

201 Client *c;

202 XDestroyWindowEvent *ev = &e->xdestroywindow;

203

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

205 unmanage(c);

206 }

207

208 static void

209 enternotify(XEvent *e) {

210 Client *c;

211 XCrossingEvent *ev = &e->xcrossing;

212

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

214 return;

215

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

217 focus(c);

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

219 issel = True;

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

221 drawall();

222 }

223 }

224

225 static void

226 expose(XEvent *e) {

227 Client *c;

228 XExposeEvent *ev = &e->xexpose;

229

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

231 if(barwin == ev->window)

232 drawstatus();

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

234 drawtitle(c);

235 }

236 }

237

238 static void

239 keypress(XEvent *e) {

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

241 unsigned int i;

242 KeySym keysym;

243 XKeyEvent *ev = &e->xkey;

244

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

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

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

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

249 {

250 if(key[i].func)

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

252 return;

253 }

254 }

255 }

256

257 static void

258 leavenotify(XEvent *e) {

259 XCrossingEvent *ev = &e->xcrossing;

260

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

262 issel = False;

263 drawall();

264 }

265 }

266

267 static void

268 mappingnotify(XEvent *e) {

269 XMappingEvent *ev = &e->xmapping;

270

271 XRefreshKeyboardMapping(ev);

272 if(ev->request == MappingKeyboard)

273 grabkeys();

274 }

275

276 static void

277 maprequest(XEvent *e) {

278 static XWindowAttributes wa;

279 XMapRequestEvent *ev = &e->xmaprequest;

280

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

282 return;

283

284 if(wa.override_redirect) {

285 XSelectInput(dpy, ev->window,

286 (StructureNotifyMask | PropertyChangeMask));

287 return;

288 }

289

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

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

292 }

293

294 static void

295 propertynotify(XEvent *e) {

296 Client *c;

297 Window trans;

298 XPropertyEvent *ev = &e->xproperty;

299

300 if(ev->state == PropertyDelete)

301 return; /* ignore */

302

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

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

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

306 return;

307 }

308 switch (ev->atom) {

309 default: break;

310 case XA_WM_TRANSIENT_FOR:

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

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

313 arrange(NULL);

314 break;

315 case XA_WM_NORMAL_HINTS:

316 updatesize(c);

317 break;

318 }

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

320 updatetitle(c);

321 resizetitle(c);

322 drawtitle(c);

323 }

324 }

325 }

326

327 static void

328 unmapnotify(XEvent *e) {

329 Client *c;

330 XUnmapEvent *ev = &e->xunmap;

331

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

333 unmanage(c);

334 }

335

336 /* extern */

337

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

339 [ButtonPress] = buttonpress,

340 [ConfigureRequest] = configurerequest,

341 [DestroyNotify] = destroynotify,

342 [EnterNotify] = enternotify,

343 [LeaveNotify] = leavenotify,

344 [Expose] = expose,

345 [KeyPress] = keypress,

346 [MappingNotify] = mappingnotify,

347 [MapRequest] = maprequest,

348 [PropertyNotify] = propertynotify,

349 [UnmapNotify] = unmapnotify

350 };

351

352 void

353 grabkeys(void) {

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

355 unsigned int i;

356 KeyCode code;

357

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

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

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

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

362 GrabModeAsync, GrabModeAsync);

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

364 GrabModeAsync, GrabModeAsync);

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

366 GrabModeAsync, GrabModeAsync);

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

368 GrabModeAsync, GrabModeAsync);

369 }

370 }

371

372 void

373 procevent(void) {

374 XEvent ev;

375

376 while(XPending(dpy)) {

377 XNextEvent(dpy, &ev);

378 if(handler[ev.type])

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

380 }

381 }