dwm-meillo

annotate event.c @ 514:3dd1631824a6

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documented the new behavior in man page
author Anselm R. Garbe <arg@10kloc.org>
date Fri, 29 Sep 2006 17:20:05 +0200
parents b467b5a749db
children 834a77509a64
rev   line source
garbeam@5 1 /*
garbeam@5 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5 3 * See LICENSE file for license details.
garbeam@5 4 */
garbeam@76 5 #include "dwm.h"
garbeam@5 6 #include <stdlib.h>
garbeam@5 7 #include <X11/keysym.h>
garbeam@13 8 #include <X11/Xatom.h>
garbeam@5 9
arg@146 10 /* static */
arg@114 11
arg@114 12 typedef struct {
arg@114 13 unsigned long mod;
arg@114 14 KeySym keysym;
arg@114 15 void (*func)(Arg *arg);
arg@114 16 Arg arg;
arg@114 17 } Key;
arg@114 18
arg@146 19 KEYS
garbeam@75 20
arg@291 21 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
garbeam@5 22
garbeam@77 23 static void
arg@461 24 movemouse(Client *c) {
garbeam@77 25 int x1, y1, ocx, ocy, di;
garbeam@77 26 unsigned int dui;
garbeam@77 27 Window dummy;
arg@123 28 XEvent ev;
garbeam@77 29
arg@115 30 ocx = c->x;
arg@115 31 ocy = c->y;
arg@148 32 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
arg@123 33 None, cursor[CurMove], CurrentTime) != GrabSuccess)
garbeam@77 34 return;
arg@482 35 c->ismax = False;
garbeam@77 36 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
garbeam@77 37 for(;;) {
arg@489 38 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77 39 switch (ev.type) {
arg@490 40 case ButtonRelease:
arg@491 41 resize(c, True, TopLeft);
arg@490 42 XUngrabPointer(dpy, CurrentTime);
arg@490 43 return;
garbeam@77 44 case Expose:
garbeam@77 45 handler[Expose](&ev);
garbeam@77 46 break;
garbeam@77 47 case MotionNotify:
garbeam@79 48 XSync(dpy, False);
arg@115 49 c->x = ocx + (ev.xmotion.x - x1);
arg@115 50 c->y = ocy + (ev.xmotion.y - y1);
arg@99 51 resize(c, False, TopLeft);
garbeam@77 52 break;
garbeam@77 53 }
garbeam@77 54 }
garbeam@77 55 }
garbeam@77 56
garbeam@77 57 static void
arg@461 58 resizemouse(Client *c) {
garbeam@77 59 int ocx, ocy;
arg@268 60 int nw, nh;
arg@99 61 Corner sticky;
arg@123 62 XEvent ev;
garbeam@77 63
arg@115 64 ocx = c->x;
arg@115 65 ocy = c->y;
arg@148 66 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
garbeam@77 67 None, cursor[CurResize], CurrentTime) != GrabSuccess)
garbeam@77 68 return;
arg@482 69 c->ismax = False;
arg@115 70 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
garbeam@77 71 for(;;) {
arg@489 72 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77 73 switch(ev.type) {
arg@490 74 case ButtonRelease:
arg@491 75 resize(c, True, TopLeft);
arg@490 76 XUngrabPointer(dpy, CurrentTime);
arg@490 77 return;
garbeam@77 78 case Expose:
garbeam@77 79 handler[Expose](&ev);
garbeam@77 80 break;
garbeam@77 81 case MotionNotify:
garbeam@79 82 XSync(dpy, False);
arg@268 83 if((nw = abs(ocx - ev.xmotion.x)))
arg@478 84 c->w = nw;
arg@268 85 if((nh = abs(ocy - ev.xmotion.y)))
arg@478 86 c->h = nh;
arg@115 87 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
arg@115 88 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
arg@105 89 if(ocx <= ev.xmotion.x)
arg@105 90 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
arg@105 91 else
arg@105 92 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
arg@99 93 resize(c, True, sticky);
garbeam@77 94 break;
garbeam@77 95 }
garbeam@77 96 }
garbeam@77 97 }
garbeam@73 98
garbeam@73 99 static void
arg@461 100 buttonpress(XEvent *e) {
garbeam@73 101 int x;
garbeam@73 102 Arg a;
arg@123 103 Client *c;
garbeam@18 104 XButtonPressedEvent *ev = &e->xbutton;
garbeam@18 105
garbeam@73 106 if(barwin == ev->window) {
arg@362 107 x = 0;
arg@362 108 for(a.i = 0; a.i < ntags; a.i++) {
arg@362 109 x += textw(tags[a.i]);
arg@362 110 if(ev->x < x) {
arg@399 111 if(ev->button == Button1) {
arg@398 112 if(ev->state & MODKEY)
arg@398 113 tag(&a);
arg@398 114 else
arg@398 115 view(&a);
arg@399 116 }
arg@399 117 else if(ev->button == Button3) {
arg@398 118 if(ev->state & MODKEY)
arg@398 119 toggletag(&a);
arg@398 120 else
arg@398 121 toggleview(&a);
arg@394 122 }
arg@362 123 return;
garbeam@73 124 }
garbeam@73 125 }
arg@371 126 if(ev->x < x + bmw) {
arg@371 127 if(ev->button == Button1)
arg@371 128 togglemode(NULL);
arg@371 129 }
garbeam@73 130 }
garbeam@58 131 else if((c = getclient(ev->window))) {
arg@143 132 focus(c);
arg@473 133 if(CLEANMASK(ev->state) != MODKEY)
arg@318 134 return;
arg@400 135 if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
arg@487 136 restack();
arg@399 137 movemouse(c);
arg@399 138 }
arg@399 139 else if(ev->button == Button2)
arg@248 140 zoom(NULL);
arg@400 141 else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
arg@487 142 restack();
arg@399 143 resizemouse(c);
garbeam@18 144 }
garbeam@18 145 }
garbeam@18 146 }
garbeam@18 147
garbeam@18 148 static void
arg@461 149 configurerequest(XEvent *e) {
arg@286 150 unsigned long newmask;
arg@123 151 Client *c;
garbeam@5 152 XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5 153 XWindowChanges wc;
garbeam@5 154
garbeam@18 155 if((c = getclient(ev->window))) {
arg@488 156 c->ismax = False;
garbeam@29 157 gravitate(c, True);
arg@195 158 if(ev->value_mask & CWX)
arg@195 159 c->x = ev->x;
arg@195 160 if(ev->value_mask & CWY)
arg@195 161 c->y = ev->y;
arg@195 162 if(ev->value_mask & CWWidth)
arg@195 163 c->w = ev->width;
arg@195 164 if(ev->value_mask & CWHeight)
arg@195 165 c->h = ev->height;
garbeam@29 166 if(ev->value_mask & CWBorderWidth)
arg@164 167 c->border = ev->border_width;
garbeam@29 168 gravitate(c, False);
arg@164 169 wc.x = c->x;
arg@164 170 wc.y = c->y;
arg@164 171 wc.width = c->w;
arg@164 172 wc.height = c->h;
arg@164 173 newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
arg@164 174 if(newmask)
arg@164 175 XConfigureWindow(dpy, c->win, newmask, &wc);
arg@491 176 else
arg@491 177 configure(c);
arg@195 178 XSync(dpy, False);
arg@505 179 if(c->isfloat) {
arg@508 180 resize(c, False, TopLeft);
arg@508 181 if(!isvisible(c))
arg@508 182 ban(c);
arg@505 183 }
arg@196 184 else
arg@196 185 arrange(NULL);
garbeam@5 186 }
arg@164 187 else {
arg@164 188 wc.x = ev->x;
arg@164 189 wc.y = ev->y;
arg@164 190 wc.width = ev->width;
arg@164 191 wc.height = ev->height;
arg@164 192 wc.border_width = ev->border_width;
arg@164 193 wc.sibling = ev->above;
arg@164 194 wc.stack_mode = ev->detail;
arg@164 195 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
arg@195 196 XSync(dpy, False);
arg@164 197 }
garbeam@5 198 }
garbeam@5 199
garbeam@5 200 static void
arg@461 201 destroynotify(XEvent *e) {
garbeam@5 202 Client *c;
garbeam@5 203 XDestroyWindowEvent *ev = &e->xdestroywindow;
garbeam@5 204
garbeam@11 205 if((c = getclient(ev->window)))
garbeam@11 206 unmanage(c);
garbeam@5 207 }
garbeam@5 208
garbeam@5 209 static void
arg@461 210 enternotify(XEvent *e) {
arg@123 211 Client *c;
garbeam@5 212 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 213
arg@232 214 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
garbeam@5 215 return;
garbeam@5 216
arg@466 217 if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))
garbeam@13 218 focus(c);
arg@239 219 else if(ev->window == root) {
garbeam@31 220 issel = True;
arg@239 221 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@239 222 drawall();
arg@239 223 }
garbeam@5 224 }
garbeam@5 225
garbeam@5 226 static void
arg@461 227 expose(XEvent *e) {
arg@123 228 Client *c;
garbeam@5 229 XExposeEvent *ev = &e->xexpose;
garbeam@5 230
garbeam@5 231 if(ev->count == 0) {
garbeam@70 232 if(barwin == ev->window)
garbeam@74 233 drawstatus();
garbeam@75 234 else if((c = getctitle(ev->window)))
garbeam@74 235 drawtitle(c);
garbeam@5 236 }
garbeam@5 237 }
garbeam@5 238
garbeam@5 239 static void
arg@461 240 keypress(XEvent *e) {
arg@138 241 static unsigned int len = sizeof(key) / sizeof(key[0]);
garbeam@76 242 unsigned int i;
garbeam@76 243 KeySym keysym;
arg@123 244 XKeyEvent *ev = &e->xkey;
garbeam@76 245
garbeam@76 246 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
arg@275 247 for(i = 0; i < len; i++) {
arg@461 248 if(keysym == key[i].keysym
arg@461 249 && CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
arg@275 250 {
garbeam@76 251 if(key[i].func)
garbeam@76 252 key[i].func(&key[i].arg);
garbeam@76 253 return;
garbeam@76 254 }
arg@275 255 }
garbeam@76 256 }
garbeam@76 257
garbeam@76 258 static void
arg@461 259 leavenotify(XEvent *e) {
garbeam@76 260 XCrossingEvent *ev = &e->xcrossing;
garbeam@76 261
arg@239 262 if((ev->window == root) && !ev->same_screen) {
arg@239 263 issel = False;
arg@239 264 drawall();
arg@239 265 }
garbeam@76 266 }
garbeam@76 267
garbeam@76 268 static void
arg@461 269 mappingnotify(XEvent *e) {
arg@279 270 XMappingEvent *ev = &e->xmapping;
arg@279 271
arg@279 272 XRefreshKeyboardMapping(ev);
arg@279 273 if(ev->request == MappingKeyboard)
arg@279 274 grabkeys();
arg@279 275 }
arg@279 276
arg@279 277 static void
arg@461 278 maprequest(XEvent *e) {
arg@123 279 static XWindowAttributes wa;
garbeam@5 280 XMapRequestEvent *ev = &e->xmaprequest;
garbeam@5 281
garbeam@5 282 if(!XGetWindowAttributes(dpy, ev->window, &wa))
garbeam@5 283 return;
garbeam@5 284
garbeam@5 285 if(wa.override_redirect) {
garbeam@5 286 XSelectInput(dpy, ev->window,
garbeam@5 287 (StructureNotifyMask | PropertyChangeMask));
garbeam@5 288 return;
garbeam@5 289 }
garbeam@5 290
garbeam@10 291 if(!getclient(ev->window))
garbeam@10 292 manage(ev->window, &wa);
garbeam@5 293 }
garbeam@5 294
garbeam@5 295 static void
arg@461 296 propertynotify(XEvent *e) {
arg@123 297 Client *c;
arg@123 298 Window trans;
garbeam@5 299 XPropertyEvent *ev = &e->xproperty;
garbeam@5 300
garbeam@5 301 if(ev->state == PropertyDelete)
garbeam@5 302 return; /* ignore */
garbeam@5 303
garbeam@13 304 if((c = getclient(ev->window))) {
garbeam@77 305 if(ev->atom == wmatom[WMProtocols]) {
garbeam@75 306 c->proto = getproto(c->win);
garbeam@30 307 return;
garbeam@30 308 }
garbeam@13 309 switch (ev->atom) {
garbeam@13 310 default: break;
garbeam@13 311 case XA_WM_TRANSIENT_FOR:
garbeam@53 312 XGetTransientForHint(dpy, c->win, &trans);
garbeam@80 313 if(!c->isfloat && (c->isfloat = (trans != 0)))
garbeam@53 314 arrange(NULL);
garbeam@13 315 break;
garbeam@13 316 case XA_WM_NORMAL_HINTS:
arg@454 317 updatesize(c);
garbeam@13 318 break;
garbeam@13 319 }
garbeam@77 320 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
arg@454 321 updatetitle(c);
arg@500 322 resizetitle(c);
garbeam@74 323 drawtitle(c);
garbeam@13 324 }
garbeam@13 325 }
garbeam@5 326 }
garbeam@5 327
garbeam@5 328 static void
arg@461 329 unmapnotify(XEvent *e) {
garbeam@5 330 Client *c;
garbeam@5 331 XUnmapEvent *ev = &e->xunmap;
garbeam@5 332
garbeam@10 333 if((c = getclient(ev->window)))
garbeam@10 334 unmanage(c);
garbeam@5 335 }
garbeam@76 336
garbeam@84 337 /* extern */
garbeam@76 338
garbeam@76 339 void (*handler[LASTEvent]) (XEvent *) = {
garbeam@76 340 [ButtonPress] = buttonpress,
garbeam@76 341 [ConfigureRequest] = configurerequest,
garbeam@76 342 [DestroyNotify] = destroynotify,
garbeam@76 343 [EnterNotify] = enternotify,
garbeam@76 344 [LeaveNotify] = leavenotify,
garbeam@76 345 [Expose] = expose,
garbeam@76 346 [KeyPress] = keypress,
arg@279 347 [MappingNotify] = mappingnotify,
garbeam@76 348 [MapRequest] = maprequest,
garbeam@76 349 [PropertyNotify] = propertynotify,
garbeam@76 350 [UnmapNotify] = unmapnotify
garbeam@76 351 };
garbeam@76 352
garbeam@76 353 void
arg@487 354 grabkeys(void) {
arg@138 355 static unsigned int len = sizeof(key) / sizeof(key[0]);
garbeam@76 356 unsigned int i;
garbeam@76 357 KeyCode code;
garbeam@76 358
arg@279 359 XUngrabKey(dpy, AnyKey, AnyModifier, root);
garbeam@76 360 for(i = 0; i < len; i++) {
garbeam@76 361 code = XKeysymToKeycode(dpy, key[i].keysym);
garbeam@76 362 XGrabKey(dpy, code, key[i].mod, root, True,
garbeam@76 363 GrabModeAsync, GrabModeAsync);
arg@160 364 XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
arg@160 365 GrabModeAsync, GrabModeAsync);
arg@291 366 XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
arg@146 367 GrabModeAsync, GrabModeAsync);
arg@291 368 XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
arg@146 369 GrabModeAsync, GrabModeAsync);
garbeam@76 370 }
garbeam@76 371 }
arg@292 372
arg@292 373 void
arg@487 374 procevent(void) {
arg@292 375 XEvent ev;
arg@292 376
arg@292 377 while(XPending(dpy)) {
arg@292 378 XNextEvent(dpy, &ev);
arg@292 379 if(handler[ev.type])
arg@292 380 (handler[ev.type])(&ev); /* call handler */
arg@292 381 }
arg@292 382 }