dwm-meillo: 651f2c868b31 event.c

dwm-meillo

view event.c @ 532:651f2c868b31

code polishing, removed unnecessary newlines

author	Anselm R. Garbe <arg@10kloc.org>
date	Fri, 06 Oct 2006 11:50:15 +0200
parents	451f19d48845
children	a5567a0d3011

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))

22 static void

23 movemouse(Client *c) {

24 int x1, y1, ocx, ocy, di;

25 unsigned int dui;

26 Window dummy;

27 XEvent ev;

29 ocx = c->x;

30 ocy = c->y;

31 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,

32 None, cursor[CurMove], CurrentTime) != GrabSuccess)

33 return;

34 c->ismax = False;

35 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);

36 for(;;) {

37 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);

38 switch (ev.type) {

39 case ButtonRelease:

40 resize(c, True, TopLeft);

41 XUngrabPointer(dpy, CurrentTime);

42 return;

43 case Expose:

44 handler[Expose](&ev);

45 break;

46 case MotionNotify:

47 XSync(dpy, False);

48 c->x = ocx + (ev.xmotion.x - x1);

49 c->y = ocy + (ev.xmotion.y - y1);

50 resize(c, False, TopLeft);

51 break;

52 }

53 }

54 }

56 static void

57 resizemouse(Client *c) {

58 int ocx, ocy;

59 int nw, nh;

60 Corner sticky;

61 XEvent ev;

63 ocx = c->x;

64 ocy = c->y;

65 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,

66 None, cursor[CurResize], CurrentTime) != GrabSuccess)

67 return;

68 c->ismax = False;

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 case ButtonRelease:

74 resize(c, True, TopLeft);

75 XUngrabPointer(dpy, CurrentTime);

76 return;

77 case Expose:

78 handler[Expose](&ev);

79 break;

80 case MotionNotify:

81 XSync(dpy, False);

82 if((nw = abs(ocx - ev.xmotion.x)))

83 c->w = nw;

84 if((nh = abs(ocy - ev.xmotion.y)))

85 c->h = nh;

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

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

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

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

90 else

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

92 resize(c, True, sticky);

93 break;

94 }

95 }

96 }

98 static void

99 buttonpress(XEvent *e) {

100 int x;

101 Arg a;

102 Client *c;

103 XButtonPressedEvent *ev = &e->xbutton;

104

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

106 x = 0;

107 for(a.i = 0; a.i < ntags; a.i++) {

108 x += textw(tags[a.i]);

109 if(ev->x < x) {

110 if(ev->button == Button1) {

111 if(ev->state & MODKEY)

112 tag(&a);

113 else

114 view(&a);

115 }

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

117 if(ev->state & MODKEY)

118 toggletag(&a);

119 else

120 toggleview(&a);

121 }

122 return;

123 }

124 }

125 if((ev->x < x + bmw) && (ev->button == Button1))

126 togglemode(NULL);

127 }

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

129 focus(c);

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

131 return;

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

133 restack();

134 movemouse(c);

135 }

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

137 zoom(NULL);

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

139 restack();

140 resizemouse(c);

141 }

142 }

143 }

144

145 static void

146 configurerequest(XEvent *e) {

147 unsigned long newmask;

148 Client *c;

149 XConfigureRequestEvent *ev = &e->xconfigurerequest;

150 XWindowChanges wc;

151

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

153 c->ismax = False;

154 gravitate(c, True);

155 if(ev->value_mask & CWX)

156 c->x = ev->x;

157 if(ev->value_mask & CWY)

158 c->y = ev->y;

159 if(ev->value_mask & CWWidth)

160 c->w = ev->width;

161 if(ev->value_mask & CWHeight)

162 c->h = ev->height;

163 if(ev->value_mask & CWBorderWidth)

164 c->border = ev->border_width;

165 gravitate(c, False);

166 wc.x = c->x;

167 wc.y = c->y;

168 wc.width = c->w;

169 wc.height = c->h;

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

171 if(newmask)

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

173 else

174 configure(c);

175 XSync(dpy, False);

176 if(c->isfloat) {

177 resize(c, False, TopLeft);

178 if(!isvisible(c))

179 ban(c);

180 }

181 else

182 arrange(NULL);

183 }

184 else {

185 wc.x = ev->x;

186 wc.y = ev->y;

187 wc.width = ev->width;

188 wc.height = ev->height;

189 wc.border_width = ev->border_width;

190 wc.sibling = ev->above;

191 wc.stack_mode = ev->detail;

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

193 XSync(dpy, False);

194 }

195 }

196

197 static void

198 destroynotify(XEvent *e) {

199 Client *c;

200 XDestroyWindowEvent *ev = &e->xdestroywindow;

201

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

203 unmanage(c);

204 }

205

206 static void

207 enternotify(XEvent *e) {

208 Client *c;

209 XCrossingEvent *ev = &e->xcrossing;

210

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

212 return;

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

214 focus(c);

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

216 issel = True;

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

218 drawall();

219 }

220 }

221

222 static void

223 expose(XEvent *e) {

224 Client *c;

225 XExposeEvent *ev = &e->xexpose;

226

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

228 if(barwin == ev->window)

229 drawstatus();

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

231 drawtitle(c);

232 }

233 }

234

235 static void

236 keypress(XEvent *e) {

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

238 unsigned int i;

239 KeySym keysym;

240 XKeyEvent *ev = &e->xkey;

241

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

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

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

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

246 {

247 if(key[i].func)

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

249 return;

250 }

251 }

252 }

253

254 static void

255 leavenotify(XEvent *e) {

256 XCrossingEvent *ev = &e->xcrossing;

257

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

259 issel = False;

260 drawall();

261 }

262 }

263

264 static void

265 mappingnotify(XEvent *e) {

266 XMappingEvent *ev = &e->xmapping;

267

268 XRefreshKeyboardMapping(ev);

269 if(ev->request == MappingKeyboard)

270 grabkeys();

271 }

272

273 static void

274 maprequest(XEvent *e) {

275 static XWindowAttributes wa;

276 XMapRequestEvent *ev = &e->xmaprequest;

277

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

279 return;

280 if(wa.override_redirect) {

281 XSelectInput(dpy, ev->window,

282 (StructureNotifyMask | PropertyChangeMask));

283 return;

284 }

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

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

287 }

288

289 static void

290 propertynotify(XEvent *e) {

291 Client *c;

292 Window trans;

293 XPropertyEvent *ev = &e->xproperty;

294

295 if(ev->state == PropertyDelete)

296 return; /* ignore */

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

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

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

300 return;

301 }

302 switch (ev->atom) {

303 default: break;

304 case XA_WM_TRANSIENT_FOR:

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

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

307 arrange(NULL);

308 break;

309 case XA_WM_NORMAL_HINTS:

310 updatesize(c);

311 break;

312 }

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

314 updatetitle(c);

315 resizetitle(c);

316 drawtitle(c);

317 }

318 }

319 }

320

321 static void

322 unmapnotify(XEvent *e) {

323 Client *c;

324 XUnmapEvent *ev = &e->xunmap;

325

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

327 unmanage(c);

328 }

329

330 /* extern */

331

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

333 [ButtonPress] = buttonpress,

334 [ConfigureRequest] = configurerequest,

335 [DestroyNotify] = destroynotify,

336 [EnterNotify] = enternotify,

337 [LeaveNotify] = leavenotify,

338 [Expose] = expose,

339 [KeyPress] = keypress,

340 [MappingNotify] = mappingnotify,

341 [MapRequest] = maprequest,

342 [PropertyNotify] = propertynotify,

343 [UnmapNotify] = unmapnotify

344 };

345

346 void

347 grabkeys(void) {

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

349 unsigned int i;

350 KeyCode code;

351

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

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

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

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

356 GrabModeAsync, GrabModeAsync);

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

358 GrabModeAsync, GrabModeAsync);

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

360 GrabModeAsync, GrabModeAsync);

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

362 GrabModeAsync, GrabModeAsync);

363 }

364 }

365

366 void

367 procevent(void) {

368 XEvent ev;

369

370 while(XPending(dpy)) {

371 XNextEvent(dpy, &ev);

372 if(handler[ev.type])

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

374 }

375 }