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annotate event.c @ 670:8274d5149b66

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author Anselm R. Garbe <arg@suckless.org>
date Mon, 08 Jan 2007 12:18:49 +0100
parents 1ed8c40dde36
children 7672a1041218
rev   line source
arg@644 1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
garbeam@5 2 * See LICENSE file for license details.
garbeam@5 3 */
garbeam@76 4 #include "dwm.h"
garbeam@5 5 #include <stdlib.h>
garbeam@5 6 #include <X11/keysym.h>
garbeam@13 7 #include <X11/Xatom.h>
garbeam@5 8
arg@146 9 /* static */
arg@114 10
arg@114 11 typedef struct {
arg@114 12 unsigned long mod;
arg@114 13 KeySym keysym;
arg@589 14 void (*func)(Arg *arg);
arg@114 15 Arg arg;
arg@114 16 } Key;
arg@114 17
arg@146 18 KEYS
garbeam@75 19
arg@291 20 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
arg@538 21 #define MOUSEMASK (BUTTONMASK | PointerMotionMask)
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@565 51 if(abs(wax + c->x) < SNAP)
arg@565 52 c->x = wax;
arg@565 53 else if(abs((wax + waw) - (c->x + c->w)) < SNAP)
arg@565 54 c->x = wax + waw - c->w - 2 * BORDERPX;
arg@565 55 if(abs(way - c->y) < SNAP)
arg@565 56 c->y = way;
arg@565 57 else if(abs((way + wah) - (c->y + c->h)) < SNAP)
arg@565 58 c->y = way + wah - c->h - 2 * BORDERPX;
arg@99 59 resize(c, False, TopLeft);
garbeam@77 60 break;
garbeam@77 61 }
garbeam@77 62 }
garbeam@77 63 }
garbeam@77 64
garbeam@77 65 static void
arg@461 66 resizemouse(Client *c) {
garbeam@77 67 int ocx, ocy;
arg@268 68 int nw, nh;
arg@99 69 Corner sticky;
arg@123 70 XEvent ev;
garbeam@77 71
arg@115 72 ocx = c->x;
arg@115 73 ocy = c->y;
arg@148 74 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
arg@532 75 None, cursor[CurResize], CurrentTime) != GrabSuccess)
garbeam@77 76 return;
arg@482 77 c->ismax = False;
arg@115 78 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
garbeam@77 79 for(;;) {
arg@489 80 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77 81 switch(ev.type) {
arg@490 82 case ButtonRelease:
arg@491 83 resize(c, True, TopLeft);
arg@490 84 XUngrabPointer(dpy, CurrentTime);
arg@490 85 return;
garbeam@77 86 case Expose:
garbeam@77 87 handler[Expose](&ev);
garbeam@77 88 break;
garbeam@77 89 case MotionNotify:
garbeam@79 90 XSync(dpy, False);
arg@268 91 if((nw = abs(ocx - ev.xmotion.x)))
arg@478 92 c->w = nw;
arg@268 93 if((nh = abs(ocy - ev.xmotion.y)))
arg@478 94 c->h = nh;
arg@115 95 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
arg@115 96 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
arg@105 97 if(ocx <= ev.xmotion.x)
arg@105 98 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
arg@105 99 else
arg@105 100 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
arg@99 101 resize(c, True, sticky);
garbeam@77 102 break;
garbeam@77 103 }
garbeam@77 104 }
garbeam@77 105 }
garbeam@73 106
garbeam@73 107 static void
arg@461 108 buttonpress(XEvent *e) {
garbeam@73 109 int x;
garbeam@73 110 Arg a;
arg@123 111 Client *c;
garbeam@18 112 XButtonPressedEvent *ev = &e->xbutton;
garbeam@18 113
garbeam@73 114 if(barwin == ev->window) {
arg@362 115 x = 0;
arg@362 116 for(a.i = 0; a.i < ntags; a.i++) {
arg@362 117 x += textw(tags[a.i]);
arg@362 118 if(ev->x < x) {
arg@399 119 if(ev->button == Button1) {
arg@398 120 if(ev->state & MODKEY)
arg@398 121 tag(&a);
arg@398 122 else
arg@398 123 view(&a);
arg@399 124 }
arg@399 125 else if(ev->button == Button3) {
arg@398 126 if(ev->state & MODKEY)
arg@398 127 toggletag(&a);
arg@398 128 else
arg@398 129 toggleview(&a);
arg@394 130 }
arg@362 131 return;
garbeam@73 132 }
garbeam@73 133 }
arg@530 134 if((ev->x < x + bmw) && (ev->button == Button1))
arg@530 135 togglemode(NULL);
garbeam@73 136 }
garbeam@58 137 else if((c = getclient(ev->window))) {
arg@143 138 focus(c);
arg@473 139 if(CLEANMASK(ev->state) != MODKEY)
arg@318 140 return;
arg@400 141 if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
arg@487 142 restack();
arg@399 143 movemouse(c);
arg@399 144 }
arg@399 145 else if(ev->button == Button2)
arg@248 146 zoom(NULL);
arg@550 147 else if(ev->button == Button3 && (arrange == dofloat || c->isfloat) &&
arg@550 148 !c->isfixed) {
arg@487 149 restack();
arg@399 150 resizemouse(c);
garbeam@18 151 }
garbeam@18 152 }
garbeam@18 153 }
garbeam@18 154
garbeam@18 155 static void
arg@461 156 configurerequest(XEvent *e) {
arg@286 157 unsigned long newmask;
arg@123 158 Client *c;
garbeam@5 159 XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5 160 XWindowChanges wc;
garbeam@5 161
garbeam@18 162 if((c = getclient(ev->window))) {
arg@488 163 c->ismax = False;
arg@195 164 if(ev->value_mask & CWX)
arg@195 165 c->x = ev->x;
arg@195 166 if(ev->value_mask & CWY)
arg@195 167 c->y = ev->y;
arg@195 168 if(ev->value_mask & CWWidth)
arg@195 169 c->w = ev->width;
arg@195 170 if(ev->value_mask & CWHeight)
arg@195 171 c->h = ev->height;
garbeam@29 172 if(ev->value_mask & CWBorderWidth)
arg@164 173 c->border = ev->border_width;
arg@164 174 wc.x = c->x;
arg@164 175 wc.y = c->y;
arg@164 176 wc.width = c->w;
arg@164 177 wc.height = c->h;
arg@164 178 newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
arg@164 179 if(newmask)
arg@164 180 XConfigureWindow(dpy, c->win, newmask, &wc);
arg@491 181 else
arg@491 182 configure(c);
arg@195 183 XSync(dpy, False);
arg@505 184 if(c->isfloat) {
arg@508 185 resize(c, False, TopLeft);
arg@508 186 if(!isvisible(c))
arg@508 187 ban(c);
arg@505 188 }
arg@196 189 else
arg@533 190 arrange();
garbeam@5 191 }
arg@164 192 else {
arg@164 193 wc.x = ev->x;
arg@164 194 wc.y = ev->y;
arg@164 195 wc.width = ev->width;
arg@164 196 wc.height = ev->height;
arg@164 197 wc.border_width = ev->border_width;
arg@164 198 wc.sibling = ev->above;
arg@164 199 wc.stack_mode = ev->detail;
arg@164 200 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
arg@195 201 XSync(dpy, False);
arg@164 202 }
garbeam@5 203 }
garbeam@5 204
garbeam@5 205 static void
arg@461 206 destroynotify(XEvent *e) {
garbeam@5 207 Client *c;
garbeam@5 208 XDestroyWindowEvent *ev = &e->xdestroywindow;
garbeam@5 209
garbeam@11 210 if((c = getclient(ev->window)))
garbeam@11 211 unmanage(c);
garbeam@5 212 }
garbeam@5 213
garbeam@5 214 static void
arg@461 215 enternotify(XEvent *e) {
arg@123 216 Client *c;
garbeam@5 217 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 218
arg@232 219 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
garbeam@5 220 return;
arg@466 221 if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))
garbeam@13 222 focus(c);
arg@239 223 else if(ev->window == root) {
garbeam@31 224 issel = True;
arg@239 225 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@239 226 drawall();
arg@239 227 }
garbeam@5 228 }
garbeam@5 229
garbeam@5 230 static void
arg@461 231 expose(XEvent *e) {
arg@123 232 Client *c;
garbeam@5 233 XExposeEvent *ev = &e->xexpose;
garbeam@5 234
garbeam@5 235 if(ev->count == 0) {
garbeam@70 236 if(barwin == ev->window)
garbeam@74 237 drawstatus();
garbeam@75 238 else if((c = getctitle(ev->window)))
arg@647 239 drawclient(c);
garbeam@5 240 }
garbeam@5 241 }
garbeam@5 242
garbeam@5 243 static void
arg@461 244 keypress(XEvent *e) {
arg@581 245 static unsigned int len = sizeof key / sizeof key[0];
arg@589 246 unsigned int i;
garbeam@76 247 KeySym keysym;
arg@123 248 XKeyEvent *ev = &e->xkey;
garbeam@76 249
garbeam@76 250 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
arg@275 251 for(i = 0; i < len; i++) {
arg@461 252 if(keysym == key[i].keysym
arg@461 253 && CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
arg@275 254 {
arg@589 255 if(key[i].func)
arg@589 256 key[i].func(&key[i].arg);
garbeam@76 257 }
arg@275 258 }
garbeam@76 259 }
garbeam@76 260
garbeam@76 261 static void
arg@461 262 leavenotify(XEvent *e) {
garbeam@76 263 XCrossingEvent *ev = &e->xcrossing;
garbeam@76 264
arg@239 265 if((ev->window == root) && !ev->same_screen) {
arg@239 266 issel = False;
arg@239 267 drawall();
arg@239 268 }
garbeam@76 269 }
garbeam@76 270
garbeam@76 271 static void
arg@461 272 mappingnotify(XEvent *e) {
arg@279 273 XMappingEvent *ev = &e->xmapping;
arg@279 274
arg@279 275 XRefreshKeyboardMapping(ev);
arg@279 276 if(ev->request == MappingKeyboard)
arg@279 277 grabkeys();
arg@279 278 }
arg@279 279
arg@279 280 static void
arg@461 281 maprequest(XEvent *e) {
arg@123 282 static XWindowAttributes wa;
garbeam@5 283 XMapRequestEvent *ev = &e->xmaprequest;
garbeam@5 284
garbeam@5 285 if(!XGetWindowAttributes(dpy, ev->window, &wa))
garbeam@5 286 return;
garbeam@5 287 if(wa.override_redirect) {
garbeam@5 288 XSelectInput(dpy, ev->window,
garbeam@5 289 (StructureNotifyMask | PropertyChangeMask));
garbeam@5 290 return;
garbeam@5 291 }
garbeam@10 292 if(!getclient(ev->window))
garbeam@10 293 manage(ev->window, &wa);
garbeam@5 294 }
garbeam@5 295
garbeam@5 296 static void
arg@461 297 propertynotify(XEvent *e) {
arg@123 298 Client *c;
arg@123 299 Window trans;
garbeam@5 300 XPropertyEvent *ev = &e->xproperty;
garbeam@5 301
garbeam@5 302 if(ev->state == PropertyDelete)
garbeam@5 303 return; /* ignore */
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)))
arg@533 314 arrange();
garbeam@13 315 break;
garbeam@13 316 case XA_WM_NORMAL_HINTS:
arg@639 317 updatesizehints(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);
arg@647 323 drawclient(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@581 355 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 }