dwm-meillo: 2d8af0d7920d event.c

dwm-meillo

view event.c @ 473:2d8af0d7920d

implemented the maximization as I described on the mailinglist, this feels better to me.

author	arg@mmvi
date	Fri, 22 Sep 2006 07:37:56 +0200
parents	ad3fa2d18542
children	3e4596240abb

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

36 for(;;) {

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

38 switch (ev.type) {

39 default:

40 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 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 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:

74 break;

75 case Expose:

76 handler[Expose](&ev);

77 break;

78 case MotionNotify:

79 XSync(dpy, False);

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

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

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

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

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

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

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

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

88 else

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

90 resize(c, True, sticky);

91 break;

92 case ButtonRelease:

93 XUngrabPointer(dpy, CurrentTime);

94 return;

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(c);

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(c);

143 resizemouse(c);

144 }

145 }

146 }

147

148 static void

149 synconfig(Client *c, int x, int y, int w, int h, unsigned int border) {

150 XEvent synev;

151

152 synev.type = ConfigureNotify;

153 synev.xconfigure.display = dpy;

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

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

156 synev.xconfigure.x = x;

157 synev.xconfigure.y = y;

158 synev.xconfigure.width = w;

159 synev.xconfigure.height = h;

160 synev.xconfigure.border_width = border;

161 synev.xconfigure.above = None;

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

163 }

164

165 static void

166 configurerequest(XEvent *e) {

167 unsigned long newmask;

168 Client *c;

169 XConfigureRequestEvent *ev = &e->xconfigurerequest;

170 XWindowChanges wc;

171

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

173 if((c == sel) && !c->isfloat && (arrange != dofloat)) {

174 synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);

175 XSync(dpy, False);

176 return;

177 }

178 gravitate(c, True);

179 if(ev->value_mask & CWX)

180 c->x = ev->x;

181 if(ev->value_mask & CWY)

182 c->y = ev->y;

183 if(ev->value_mask & CWWidth)

184 c->w = ev->width;

185 if(ev->value_mask & CWHeight)

186 c->h = ev->height;

187 if(ev->value_mask & CWBorderWidth)

188 c->border = ev->border_width;

189 gravitate(c, False);

190 wc.x = c->x;

191 wc.y = c->y;

192 wc.width = c->w;

193 wc.height = c->h;

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

195 if(newmask)

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

197 else

198 synconfig(c, c->x, c->y, c->w, c->h, c->border);

199 XSync(dpy, False);

200 if(c->isfloat)

201 resize(c, False, TopLeft);

202 else

203 arrange(NULL);

204 }

205 else {

206 wc.x = ev->x;

207 wc.y = ev->y;

208 wc.width = ev->width;

209 wc.height = ev->height;

210 wc.border_width = ev->border_width;

211 wc.sibling = ev->above;

212 wc.stack_mode = ev->detail;

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

214 XSync(dpy, False);

215 }

216 }

217

218 static void

219 destroynotify(XEvent *e) {

220 Client *c;

221 XDestroyWindowEvent *ev = &e->xdestroywindow;

222

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

224 unmanage(c);

225 }

226

227 static void

228 enternotify(XEvent *e) {

229 Client *c;

230 XCrossingEvent *ev = &e->xcrossing;

231

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

233 return;

234

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

236 focus(c);

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

238 issel = True;

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

240 drawall();

241 }

242 }

243

244 static void

245 expose(XEvent *e) {

246 Client *c;

247 XExposeEvent *ev = &e->xexpose;

248

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

250 if(barwin == ev->window)

251 drawstatus();

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

253 drawtitle(c);

254 }

255 }

256

257 static void

258 keypress(XEvent *e) {

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 {

269 if(key[i].func)

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

271 return;

272 }

273 }

274 }

275

276 static void

277 leavenotify(XEvent *e) {

278 XCrossingEvent *ev = &e->xcrossing;

279

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

281 issel = False;

282 drawall();

283 }

284 }

285

286 static void

287 mappingnotify(XEvent *e) {

288 XMappingEvent *ev = &e->xmapping;

289

290 XRefreshKeyboardMapping(ev);

291 if(ev->request == MappingKeyboard)

292 grabkeys();

293 }

294

295 static void

296 maprequest(XEvent *e) {

297 static XWindowAttributes wa;

298 XMapRequestEvent *ev = &e->xmaprequest;

299

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

301 return;

302

303 if(wa.override_redirect) {

304 XSelectInput(dpy, ev->window,

305 (StructureNotifyMask | PropertyChangeMask));

306 return;

307 }

308

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

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

311 }

312

313 static void

314 propertynotify(XEvent *e) {

315 Client *c;

316 Window trans;

317 XPropertyEvent *ev = &e->xproperty;

318

319 if(ev->state == PropertyDelete)

320 return; /* ignore */

321

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

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

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

325 return;

326 }

327 switch (ev->atom) {

328 default: break;

329 case XA_WM_TRANSIENT_FOR:

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

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

332 arrange(NULL);

333 break;

334 case XA_WM_NORMAL_HINTS:

335 updatesize(c);

336 break;

337 }

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

339 updatetitle(c);

340 drawtitle(c);

341 }

342 }

343 }

344

345 static void

346 unmapnotify(XEvent *e) {

347 Client *c;

348 XUnmapEvent *ev = &e->xunmap;

349

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

351 unmanage(c);

352 }

353

354 /* extern */

355

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

357 [ButtonPress] = buttonpress,

358 [ConfigureRequest] = configurerequest,

359 [DestroyNotify] = destroynotify,

360 [EnterNotify] = enternotify,

361 [LeaveNotify] = leavenotify,

362 [Expose] = expose,

363 [KeyPress] = keypress,

364 [MappingNotify] = mappingnotify,

365 [MapRequest] = maprequest,

366 [PropertyNotify] = propertynotify,

367 [UnmapNotify] = unmapnotify

368 };

369

370 void

371 grabkeys() {

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

373 unsigned int i;

374 KeyCode code;

375

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

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

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

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

380 GrabModeAsync, GrabModeAsync);

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

382 GrabModeAsync, GrabModeAsync);

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

384 GrabModeAsync, GrabModeAsync);

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

386 GrabModeAsync, GrabModeAsync);

387 }

388 }

389

390 void

391 procevent() {

392 XEvent ev;

393

394 while(XPending(dpy)) {

395 XNextEvent(dpy, &ev);

396 if(handler[ev.type])

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

398 }

399 }