dwm-meillo: 243bf6783c7c event.c

dwm-meillo

view event.c @ 260:243bf6783c7c

after some days of experimenting with grey background, I finally give up and switch to white on black ;)

author	Anselm R.Garbe <arg@10ksloc.org>
date	Fri, 11 Aug 2006 18:11:39 +0200
parents	d1630548c3fe
children	d6fd632d861c

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 return;

113 }

114 }

115 if(ev->button == Button1)

116 viewprev(&a);

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

118 viewnext(&a);

119 break;

120 case Button4:

121 viewprev(&a);

122 break;

123 case Button5:

124 viewnext(&a);

125 break;

126 }

127 }

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

129 higher(c);

130 focus(c);

131 switch(ev->button) {

132 default:

133 break;

134 case Button1:

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

136 movemouse(c);

137 break;

138 case Button2:

139 zoom(NULL);

140 break;

141 case Button3:

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

143 resizemouse(c);

144 break;

145 }

146 }

147 }

148

149 static void

150 configurerequest(XEvent *e)

151 {

152 Client *c;

153 XConfigureRequestEvent *ev = &e->xconfigurerequest;

154 XEvent synev;

155 XWindowChanges wc;

156 unsigned long newmask;

157

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

159 gravitate(c, True);

160 if(ev->value_mask & CWX)

161 c->x = ev->x;

162 if(ev->value_mask & CWY)

163 c->y = ev->y;

164 if(ev->value_mask & CWWidth)

165 c->w = ev->width;

166 if(ev->value_mask & CWHeight)

167 c->h = ev->height;

168 if(ev->value_mask & CWBorderWidth)

169 c->border = ev->border_width;

170 gravitate(c, False);

171 wc.x = c->x;

172 wc.y = c->y;

173 wc.width = c->w;

174 wc.height = c->h;

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

176 if(newmask)

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

178 else {

179 synev.type = ConfigureNotify;

180 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

188 synev.xconfigure.above = None;

189 /* Send synthetic ConfigureNotify */

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

191 }

192 XSync(dpy, False);

193 if(c->isfloat)

194 resize(c, False, TopLeft);

195 else

196 arrange(NULL);

197 }

198 else {

199 wc.x = ev->x;

200 wc.y = ev->y;

201 wc.width = ev->width;

202 wc.height = ev->height;

203 wc.border_width = ev->border_width;

204 wc.sibling = ev->above;

205 wc.stack_mode = ev->detail;

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

207 XSync(dpy, False);

208 }

209 }

210

211 static void

212 destroynotify(XEvent *e)

213 {

214 Client *c;

215 XDestroyWindowEvent *ev = &e->xdestroywindow;

216

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

218 unmanage(c);

219 }

220

221 static void

222 enternotify(XEvent *e)

223 {

224 Client *c;

225 XCrossingEvent *ev = &e->xcrossing;

226

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

228 return;

229

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

231 focus(c);

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

233 issel = True;

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

235 drawall();

236 }

237 }

238

239 static void

240 expose(XEvent *e)

241 {

242 Client *c;

243 XExposeEvent *ev = &e->xexpose;

244

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

246 if(barwin == ev->window)

247 drawstatus();

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

249 drawtitle(c);

250 }

251 }

252

253 static void

254 keypress(XEvent *e)

255 {

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

257 unsigned int i;

258 KeySym keysym;

259 XKeyEvent *ev = &e->xkey;

260

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

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

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

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

265 if(key[i].func)

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

267 return;

268 }

269 }

270

271 static void

272 leavenotify(XEvent *e)

273 {

274 XCrossingEvent *ev = &e->xcrossing;

275

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

277 issel = False;

278 drawall();

279 }

280 }

281

282 static void

283 maprequest(XEvent *e)

284 {

285 static XWindowAttributes wa;

286 XMapRequestEvent *ev = &e->xmaprequest;

287

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

289 return;

290

291 if(wa.override_redirect) {

292 XSelectInput(dpy, ev->window,

293 (StructureNotifyMask | PropertyChangeMask));

294 return;

295 }

296

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

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

299 }

300

301 static void

302 propertynotify(XEvent *e)

303 {

304 Client *c;

305 Window trans;

306 XPropertyEvent *ev = &e->xproperty;

307

308 if(ev->state == PropertyDelete)

309 return; /* ignore */

310

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

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

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

314 return;

315 }

316 switch (ev->atom) {

317 default: break;

318 case XA_WM_TRANSIENT_FOR:

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

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

321 arrange(NULL);

322 break;

323 case XA_WM_NORMAL_HINTS:

324 setsize(c);

325 break;

326 }

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

328 settitle(c);

329 drawtitle(c);

330 }

331 }

332 }

333

334 static void

335 unmapnotify(XEvent *e)

336 {

337 Client *c;

338 XUnmapEvent *ev = &e->xunmap;

339

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

341 unmanage(c);

342 }

343

344 /* extern */

345

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

347 [ButtonPress] = buttonpress,

348 [ConfigureRequest] = configurerequest,

349 [DestroyNotify] = destroynotify,

350 [EnterNotify] = enternotify,

351 [LeaveNotify] = leavenotify,

352 [Expose] = expose,

353 [KeyPress] = keypress,

354 [MapRequest] = maprequest,

355 [PropertyNotify] = propertynotify,

356 [UnmapNotify] = unmapnotify

357 };

358

359 void

360 grabkeys()

361 {

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

363 unsigned int i;

364 KeyCode code;

365

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

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

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

369 GrabModeAsync, GrabModeAsync);

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

371 GrabModeAsync, GrabModeAsync);

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

373 GrabModeAsync, GrabModeAsync);

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

375 GrabModeAsync, GrabModeAsync);

376 }

377 }