aewl: 2d4f2bacbbc4 event.c

aewl

view event.c @ 244:2d4f2bacbbc4

applied grammar correction by ILF

author	Anselm R.Garbe <arg@10ksloc.org>
date	Thu, 10 Aug 2006 15:35:02 +0200
parents	969fb6be25e1
children	1227c21588e2

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 view(&a);

112 break;

113 }

114 }

115 break;

116 case Button4:

117 viewprev(&a);

118 break;

119 case Button5:

120 viewnext(&a);

121 break;

122 }

123 }

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

125 higher(c);

126 focus(c);

127 switch(ev->button) {

128 default:

129 break;

130 case Button1:

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

132 movemouse(c);

133 break;

134 case Button2:

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

136 zoom(NULL);

137 break;

138 case Button3:

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

140 resizemouse(c);

141 break;

142 }

143 }

144 }

145

146 static void

147 configurerequest(XEvent *e)

148 {

149 Client *c;

150 XConfigureRequestEvent *ev = &e->xconfigurerequest;

151 XEvent synev;

152 XWindowChanges wc;

153 unsigned long newmask;

154

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

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 synev.type = ConfigureNotify;

177 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

185 synev.xconfigure.above = None;

186 /* Send synthetic ConfigureNotify */

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

188 }

189 XSync(dpy, False);

190 if(c->isfloat)

191 resize(c, False, TopLeft);

192 else

193 arrange(NULL);

194 }

195 else {

196 wc.x = ev->x;

197 wc.y = ev->y;

198 wc.width = ev->width;

199 wc.height = ev->height;

200 wc.border_width = ev->border_width;

201 wc.sibling = ev->above;

202 wc.stack_mode = ev->detail;

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

204 XSync(dpy, False);

205 }

206 }

207

208 static void

209 destroynotify(XEvent *e)

210 {

211 Client *c;

212 XDestroyWindowEvent *ev = &e->xdestroywindow;

213

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

215 unmanage(c);

216 }

217

218 static void

219 enternotify(XEvent *e)

220 {

221 Client *c;

222 XCrossingEvent *ev = &e->xcrossing;

223

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

225 return;

226

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

228 focus(c);

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

230 issel = True;

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

232 drawall();

233 }

234 }

235

236 static void

237 expose(XEvent *e)

238 {

239 Client *c;

240 XExposeEvent *ev = &e->xexpose;

241

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

243 if(barwin == ev->window)

244 drawstatus();

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

246 drawtitle(c);

247 }

248 }

249

250 static void

251 keypress(XEvent *e)

252 {

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

254 unsigned int i;

255 KeySym keysym;

256 XKeyEvent *ev = &e->xkey;

257

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

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

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

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

262 if(key[i].func)

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

264 return;

265 }

266 }

267

268 static void

269 leavenotify(XEvent *e)

270 {

271 XCrossingEvent *ev = &e->xcrossing;

272

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

274 issel = False;

275 drawall();

276 }

277 }

278

279 static void

280 maprequest(XEvent *e)

281 {

282 static XWindowAttributes wa;

283 XMapRequestEvent *ev = &e->xmaprequest;

284

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

286 return;

287

288 if(wa.override_redirect) {

289 XSelectInput(dpy, ev->window,

290 (StructureNotifyMask | PropertyChangeMask));

291 return;

292 }

293

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

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

296 }

297

298 static void

299 propertynotify(XEvent *e)

300 {

301 Client *c;

302 Window trans;

303 XPropertyEvent *ev = &e->xproperty;

304

305 if(ev->state == PropertyDelete)

306 return; /* ignore */

307

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

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

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

311 return;

312 }

313 switch (ev->atom) {

314 default: break;

315 case XA_WM_TRANSIENT_FOR:

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

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

318 arrange(NULL);

319 break;

320 case XA_WM_NORMAL_HINTS:

321 setsize(c);

322 break;

323 }

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

325 settitle(c);

326 drawtitle(c);

327 }

328 }

329 }

330

331 static void

332 unmapnotify(XEvent *e)

333 {

334 Client *c;

335 XUnmapEvent *ev = &e->xunmap;

336

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

338 unmanage(c);

339 }

340

341 /* extern */

342

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

344 [ButtonPress] = buttonpress,

345 [ConfigureRequest] = configurerequest,

346 [DestroyNotify] = destroynotify,

347 [EnterNotify] = enternotify,

348 [LeaveNotify] = leavenotify,

349 [Expose] = expose,

350 [KeyPress] = keypress,

351 [MapRequest] = maprequest,

352 [PropertyNotify] = propertynotify,

353 [UnmapNotify] = unmapnotify

354 };

355

356 void

357 grabkeys()

358 {

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

360 unsigned int i;

361 KeyCode code;

362

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

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

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

366 GrabModeAsync, GrabModeAsync);

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

368 GrabModeAsync, GrabModeAsync);

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

370 GrabModeAsync, GrabModeAsync);

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

372 GrabModeAsync, GrabModeAsync);

373 }

374 }