aewl: d6fd632d861c event.c

aewl

view event.c @ 261:d6fd632d861c

implement multi-tag selection through button3 click on the specific tag

author	Anselm R.Garbe <arg@10ksloc.org>
date	Fri, 11 Aug 2006 18:37:41 +0200
parents	7a11e4312b17
children	d659a2dce2b5

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 if(ev->button == Button3) {

112 tsel[a.i] = True;

113 arrange(NULL);

114 drawall();

115 }

116 else

117 view(&a);

118 return;

119 }

120 }

121 if(ev->button == Button1)

122 viewprev(&a);

123 else if(ev->button == Button3)

124 viewnext(&a);

125 break;

126 case Button4:

127 viewprev(&a);

128 break;

129 case Button5:

130 viewnext(&a);

131 break;

132 }

133 }

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

135 higher(c);

136 focus(c);

137 switch(ev->button) {

138 default:

139 break;

140 case Button1:

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

142 movemouse(c);

143 break;

144 case Button2:

145 zoom(NULL);

146 break;

147 case Button3:

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

149 resizemouse(c);

150 break;

151 }

152 }

153 }

154

155 static void

156 configurerequest(XEvent *e)

157 {

158 Client *c;

159 XConfigureRequestEvent *ev = &e->xconfigurerequest;

160 XEvent synev;

161 XWindowChanges wc;

162 unsigned long newmask;

163

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

165 gravitate(c, True);

166 if(ev->value_mask & CWX)

167 c->x = ev->x;

168 if(ev->value_mask & CWY)

169 c->y = ev->y;

170 if(ev->value_mask & CWWidth)

171 c->w = ev->width;

172 if(ev->value_mask & CWHeight)

173 c->h = ev->height;

174 if(ev->value_mask & CWBorderWidth)

175 c->border = ev->border_width;

176 gravitate(c, False);

177 wc.x = c->x;

178 wc.y = c->y;

179 wc.width = c->w;

180 wc.height = c->h;

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

182 if(newmask)

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

184 else {

185 synev.type = ConfigureNotify;

186 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

194 synev.xconfigure.above = None;

195 /* Send synthetic ConfigureNotify */

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

197 }

198 XSync(dpy, False);

199 if(c->isfloat)

200 resize(c, False, TopLeft);

201 else

202 arrange(NULL);

203 }

204 else {

205 wc.x = ev->x;

206 wc.y = ev->y;

207 wc.width = ev->width;

208 wc.height = ev->height;

209 wc.border_width = ev->border_width;

210 wc.sibling = ev->above;

211 wc.stack_mode = ev->detail;

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

213 XSync(dpy, False);

214 }

215 }

216

217 static void

218 destroynotify(XEvent *e)

219 {

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 {

230 Client *c;

231 XCrossingEvent *ev = &e->xcrossing;

232

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

234 return;

235

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

237 focus(c);

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

239 issel = True;

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

241 drawall();

242 }

243 }

244

245 static void

246 expose(XEvent *e)

247 {

248 Client *c;

249 XExposeEvent *ev = &e->xexpose;

250

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

252 if(barwin == ev->window)

253 drawstatus();

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

255 drawtitle(c);

256 }

257 }

258

259 static void

260 keypress(XEvent *e)

261 {

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

263 unsigned int i;

264 KeySym keysym;

265 XKeyEvent *ev = &e->xkey;

266

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

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

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

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

271 if(key[i].func)

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

273 return;

274 }

275 }

276

277 static void

278 leavenotify(XEvent *e)

279 {

280 XCrossingEvent *ev = &e->xcrossing;

281

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

283 issel = False;

284 drawall();

285 }

286 }

287

288 static void

289 maprequest(XEvent *e)

290 {

291 static XWindowAttributes wa;

292 XMapRequestEvent *ev = &e->xmaprequest;

293

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

295 return;

296

297 if(wa.override_redirect) {

298 XSelectInput(dpy, ev->window,

299 (StructureNotifyMask | PropertyChangeMask));

300 return;

301 }

302

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

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

305 }

306

307 static void

308 propertynotify(XEvent *e)

309 {

310 Client *c;

311 Window trans;

312 XPropertyEvent *ev = &e->xproperty;

313

314 if(ev->state == PropertyDelete)

315 return; /* ignore */

316

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

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

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

320 return;

321 }

322 switch (ev->atom) {

323 default: break;

324 case XA_WM_TRANSIENT_FOR:

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

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

327 arrange(NULL);

328 break;

329 case XA_WM_NORMAL_HINTS:

330 setsize(c);

331 break;

332 }

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

334 settitle(c);

335 drawtitle(c);

336 }

337 }

338 }

339

340 static void

341 unmapnotify(XEvent *e)

342 {

343 Client *c;

344 XUnmapEvent *ev = &e->xunmap;

345

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

347 unmanage(c);

348 }

349

350 /* extern */

351

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

353 [ButtonPress] = buttonpress,

354 [ConfigureRequest] = configurerequest,

355 [DestroyNotify] = destroynotify,

356 [EnterNotify] = enternotify,

357 [LeaveNotify] = leavenotify,

358 [Expose] = expose,

359 [KeyPress] = keypress,

360 [MapRequest] = maprequest,

361 [PropertyNotify] = propertynotify,

362 [UnmapNotify] = unmapnotify

363 };

364

365 void

366 grabkeys()

367 {

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

369 unsigned int i;

370 KeyCode code;

371

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

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

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

375 GrabModeAsync, GrabModeAsync);

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

377 GrabModeAsync, GrabModeAsync);

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

379 GrabModeAsync, GrabModeAsync);

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

381 GrabModeAsync, GrabModeAsync);

382 }

383 }