aewl: 787f6ae02f29 event.c

aewl

view event.c @ 550:787f6ae02f29

and another fix

author	arg@mig29
date	Fri, 27 Oct 2006 13:29:35 +0200
parents	fd1061442711
children	798b906378d6

line source

1 /* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>

2 * See LICENSE file for license details.

3 */

4 #include "dwm.h"

5 #include <stdlib.h>

6 #include <X11/keysym.h>

7 #include <X11/Xatom.h>

9 /* static */

11 typedef struct {

12 unsigned long mod;

13 KeySym keysym;

14 void (*func)(Arg *arg);

15 Arg arg;

16 } Key;

18 KEYS

20 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))

21 #define MOUSEMASK (BUTTONMASK | PointerMotionMask)

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) && (ev->button == Button1))

127 togglemode(NULL);

128 }

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

130 focus(c);

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

132 return;

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

134 restack();

135 movemouse(c);

136 }

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

138 zoom(NULL);

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

140 !c->isfixed) {

141 restack();

142 resizemouse(c);

143 }

144 }

145 }

146

147 static void

148 configurerequest(XEvent *e) {

149 unsigned long newmask;

150 Client *c;

151 XConfigureRequestEvent *ev = &e->xconfigurerequest;

152 XWindowChanges wc;

153

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

155 c->ismax = False;

156 gravitate(c, True);

157 if(ev->value_mask & CWX)

158 c->x = ev->x;

159 if(ev->value_mask & CWY)

160 c->y = ev->y;

161 if(ev->value_mask & CWWidth)

162 c->w = ev->width;

163 if(ev->value_mask & CWHeight)

164 c->h = ev->height;

165 if(ev->value_mask & CWBorderWidth)

166 c->border = ev->border_width;

167 gravitate(c, False);

168 wc.x = c->x;

169 wc.y = c->y;

170 wc.width = c->w;

171 wc.height = c->h;

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

173 if(newmask)

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

175 else

176 configure(c);

177 XSync(dpy, False);

178 if(c->isfloat) {

179 resize(c, False, TopLeft);

180 if(!isvisible(c))

181 ban(c);

182 }

183 else

184 arrange();

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

216 focus(c);

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

218 issel = True;

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

220 drawall();

221 }

222 }

223

224 static void

225 expose(XEvent *e) {

226 Client *c;

227 XExposeEvent *ev = &e->xexpose;

228

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

230 if(barwin == ev->window)

231 drawstatus();

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

233 drawtitle(c);

234 }

235 }

236

237 static void

238 keypress(XEvent *e) {

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

240 unsigned int i;

241 KeySym keysym;

242 XKeyEvent *ev = &e->xkey;

243

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

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

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

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

248 {

249 if(key[i].func)

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

251 return;

252 }

253 }

254 }

255

256 static void

257 leavenotify(XEvent *e) {

258 XCrossingEvent *ev = &e->xcrossing;

259

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

261 issel = False;

262 drawall();

263 }

264 }

265

266 static void

267 mappingnotify(XEvent *e) {

268 XMappingEvent *ev = &e->xmapping;

269

270 XRefreshKeyboardMapping(ev);

271 if(ev->request == MappingKeyboard)

272 grabkeys();

273 }

274

275 static void

276 maprequest(XEvent *e) {

277 static XWindowAttributes wa;

278 XMapRequestEvent *ev = &e->xmaprequest;

279

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

281 return;

282 if(wa.override_redirect) {

283 XSelectInput(dpy, ev->window,

284 (StructureNotifyMask | PropertyChangeMask));

285 return;

286 }

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

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

289 }

290

291 static void

292 propertynotify(XEvent *e) {

293 Client *c;

294 Window trans;

295 XPropertyEvent *ev = &e->xproperty;

296

297 if(ev->state == PropertyDelete)

298 return; /* ignore */

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

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

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

302 return;

303 }

304 switch (ev->atom) {

305 default: break;

306 case XA_WM_TRANSIENT_FOR:

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

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

309 arrange();

310 break;

311 case XA_WM_NORMAL_HINTS:

312 updatesize(c);

313 break;

314 }

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

316 updatetitle(c);

317 resizetitle(c);

318 drawtitle(c);

319 }

320 }

321 }

322

323 static void

324 unmapnotify(XEvent *e) {

325 Client *c;

326 XUnmapEvent *ev = &e->xunmap;

327

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

329 unmanage(c);

330 }

331

332 /* extern */

333

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

335 [ButtonPress] = buttonpress,

336 [ConfigureRequest] = configurerequest,

337 [DestroyNotify] = destroynotify,

338 [EnterNotify] = enternotify,

339 [LeaveNotify] = leavenotify,

340 [Expose] = expose,

341 [KeyPress] = keypress,

342 [MappingNotify] = mappingnotify,

343 [MapRequest] = maprequest,

344 [PropertyNotify] = propertynotify,

345 [UnmapNotify] = unmapnotify

346 };

347

348 void

349 grabkeys(void) {

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

351 unsigned int i;

352 KeyCode code;

353

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

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

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

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

358 GrabModeAsync, GrabModeAsync);

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

360 GrabModeAsync, GrabModeAsync);

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

362 GrabModeAsync, GrabModeAsync);

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

364 GrabModeAsync, GrabModeAsync);

365 }

366 }

367

368 void

369 procevent(void) {

370 XEvent ev;

371

372 while(XPending(dpy)) {

373 XNextEvent(dpy, &ev);

374 if(handler[ev.type])

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

376 }

377 }