dwm-meillo

annotate event.c @ 455:4e3e22673073

find changesets by author, revision, files, or words in the commit message
fixed some other comments, now also the code side seems to be at a level to be reviewed by experienced programmers
author Anselm R. Garbe <arg@10kloc.org>
date Mon, 11 Sep 2006 11:28:28 +0200
parents 052657ff2e7b
children 9d23330a5268
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
garbeam@77 24 movemouse(Client *c)
garbeam@77 25 {
garbeam@77 26 int x1, y1, ocx, ocy, di;
garbeam@77 27 unsigned int dui;
garbeam@77 28 Window dummy;
arg@123 29 XEvent ev;
garbeam@77 30
arg@115 31 ocx = c->x;
arg@115 32 ocy = c->y;
arg@148 33 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
arg@123 34 None, cursor[CurMove], CurrentTime) != GrabSuccess)
garbeam@77 35 return;
garbeam@77 36 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
garbeam@77 37 for(;;) {
arg@148 38 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77 39 switch (ev.type) {
garbeam@77 40 default: break;
garbeam@77 41 case Expose:
garbeam@77 42 handler[Expose](&ev);
garbeam@77 43 break;
garbeam@77 44 case MotionNotify:
garbeam@79 45 XSync(dpy, False);
arg@115 46 c->x = ocx + (ev.xmotion.x - x1);
arg@115 47 c->y = ocy + (ev.xmotion.y - y1);
arg@99 48 resize(c, False, TopLeft);
garbeam@77 49 break;
garbeam@77 50 case ButtonRelease:
garbeam@77 51 XUngrabPointer(dpy, CurrentTime);
garbeam@77 52 return;
garbeam@77 53 }
garbeam@77 54 }
garbeam@77 55 }
garbeam@77 56
garbeam@77 57 static void
garbeam@77 58 resizemouse(Client *c)
garbeam@77 59 {
garbeam@77 60 int ocx, ocy;
arg@268 61 int nw, nh;
arg@99 62 Corner sticky;
arg@123 63 XEvent ev;
garbeam@77 64
arg@115 65 ocx = c->x;
arg@115 66 ocy = c->y;
arg@148 67 if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
garbeam@77 68 None, cursor[CurResize], CurrentTime) != GrabSuccess)
garbeam@77 69 return;
arg@115 70 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
garbeam@77 71 for(;;) {
arg@148 72 XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
garbeam@77 73 switch(ev.type) {
garbeam@77 74 default: break;
garbeam@77 75 case Expose:
garbeam@77 76 handler[Expose](&ev);
garbeam@77 77 break;
garbeam@77 78 case MotionNotify:
garbeam@79 79 XSync(dpy, False);
arg@268 80 if((nw = abs(ocx - ev.xmotion.x)))
arg@268 81 c->w = abs(ocx - ev.xmotion.x);
arg@268 82 if((nh = abs(ocy - ev.xmotion.y)))
arg@268 83 c->h = abs(ocy - ev.xmotion.y);
arg@115 84 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
arg@115 85 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
arg@105 86 if(ocx <= ev.xmotion.x)
arg@105 87 sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
arg@105 88 else
arg@105 89 sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
arg@99 90 resize(c, True, sticky);
garbeam@77 91 break;
garbeam@77 92 case ButtonRelease:
garbeam@77 93 XUngrabPointer(dpy, CurrentTime);
garbeam@77 94 return;
garbeam@77 95 }
garbeam@77 96 }
garbeam@77 97 }
garbeam@73 98
garbeam@73 99 static void
garbeam@18 100 buttonpress(XEvent *e)
garbeam@18 101 {
garbeam@73 102 int x;
garbeam@73 103 Arg a;
arg@123 104 Client *c;
garbeam@18 105 XButtonPressedEvent *ev = &e->xbutton;
garbeam@18 106
garbeam@73 107 if(barwin == ev->window) {
arg@362 108 x = 0;
arg@362 109 for(a.i = 0; a.i < ntags; a.i++) {
arg@362 110 x += textw(tags[a.i]);
arg@362 111 if(ev->x < x) {
arg@399 112 if(ev->button == Button1) {
arg@398 113 if(ev->state & MODKEY)
arg@398 114 tag(&a);
arg@398 115 else
arg@398 116 view(&a);
arg@399 117 }
arg@399 118 else if(ev->button == Button3) {
arg@398 119 if(ev->state & MODKEY)
arg@398 120 toggletag(&a);
arg@398 121 else
arg@398 122 toggleview(&a);
arg@394 123 }
arg@362 124 return;
garbeam@73 125 }
garbeam@73 126 }
arg@371 127 if(ev->x < x + bmw) {
arg@371 128 if(ev->button == Button1)
arg@371 129 togglemode(NULL);
arg@371 130 }
garbeam@73 131 }
garbeam@58 132 else if((c = getclient(ev->window))) {
arg@143 133 focus(c);
arg@400 134 if(maximized || CLEANMASK(ev->state) != MODKEY)
arg@318 135 return;
arg@400 136 if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
arg@399 137 restack(c);
arg@399 138 movemouse(c);
arg@399 139 }
arg@399 140 else if(ev->button == Button2)
arg@248 141 zoom(NULL);
arg@400 142 else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
arg@399 143 restack(c);
arg@399 144 resizemouse(c);
garbeam@18 145 }
garbeam@18 146 }
garbeam@18 147 }
garbeam@18 148
garbeam@18 149 static void
arg@387 150 synconfig(Client *c, int x, int y, int w, int h, unsigned int border)
arg@387 151 {
arg@387 152 XEvent synev;
arg@387 153
arg@387 154 synev.type = ConfigureNotify;
arg@387 155 synev.xconfigure.display = dpy;
arg@387 156 synev.xconfigure.event = c->win;
arg@387 157 synev.xconfigure.window = c->win;
arg@387 158 synev.xconfigure.x = x;
arg@387 159 synev.xconfigure.y = y;
arg@387 160 synev.xconfigure.width = w;
arg@387 161 synev.xconfigure.height = h;
arg@387 162 synev.xconfigure.border_width = border;
arg@387 163 synev.xconfigure.above = None;
arg@387 164 XSendEvent(dpy, c->win, True, NoEventMask, &synev);
arg@387 165 }
arg@387 166
arg@387 167 static void
garbeam@5 168 configurerequest(XEvent *e)
garbeam@5 169 {
arg@286 170 unsigned long newmask;
arg@123 171 Client *c;
garbeam@5 172 XConfigureRequestEvent *ev = &e->xconfigurerequest;
garbeam@5 173 XWindowChanges wc;
garbeam@5 174
garbeam@18 175 if((c = getclient(ev->window))) {
arg@400 176 if((c == sel) && !c->isfloat && (arrange != dofloat) && maximized) {
arg@387 177 synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);
arg@387 178 XSync(dpy, False);
arg@386 179 return;
arg@386 180 }
garbeam@29 181 gravitate(c, True);
arg@195 182 if(ev->value_mask & CWX)
arg@195 183 c->x = ev->x;
arg@195 184 if(ev->value_mask & CWY)
arg@195 185 c->y = ev->y;
arg@195 186 if(ev->value_mask & CWWidth)
arg@195 187 c->w = ev->width;
arg@195 188 if(ev->value_mask & CWHeight)
arg@195 189 c->h = ev->height;
garbeam@29 190 if(ev->value_mask & CWBorderWidth)
arg@164 191 c->border = ev->border_width;
garbeam@29 192 gravitate(c, False);
arg@164 193 wc.x = c->x;
arg@164 194 wc.y = c->y;
arg@164 195 wc.width = c->w;
arg@164 196 wc.height = c->h;
arg@164 197 newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
arg@164 198 if(newmask)
arg@164 199 XConfigureWindow(dpy, c->win, newmask, &wc);
arg@387 200 else
arg@387 201 synconfig(c, c->x, c->y, c->w, c->h, c->border);
arg@195 202 XSync(dpy, False);
arg@385 203 if(c->isfloat)
arg@385 204 resize(c, False, TopLeft);
arg@196 205 else
arg@196 206 arrange(NULL);
garbeam@5 207 }
arg@164 208 else {
arg@164 209 wc.x = ev->x;
arg@164 210 wc.y = ev->y;
arg@164 211 wc.width = ev->width;
arg@164 212 wc.height = ev->height;
arg@164 213 wc.border_width = ev->border_width;
arg@164 214 wc.sibling = ev->above;
arg@164 215 wc.stack_mode = ev->detail;
arg@164 216 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
arg@195 217 XSync(dpy, False);
arg@164 218 }
garbeam@5 219 }
garbeam@5 220
garbeam@5 221 static void
garbeam@5 222 destroynotify(XEvent *e)
garbeam@5 223 {
garbeam@5 224 Client *c;
garbeam@5 225 XDestroyWindowEvent *ev = &e->xdestroywindow;
garbeam@5 226
garbeam@11 227 if((c = getclient(ev->window)))
garbeam@11 228 unmanage(c);
garbeam@5 229 }
garbeam@5 230
garbeam@5 231 static void
garbeam@5 232 enternotify(XEvent *e)
garbeam@5 233 {
arg@123 234 Client *c;
garbeam@5 235 XCrossingEvent *ev = &e->xcrossing;
garbeam@5 236
arg@232 237 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
garbeam@5 238 return;
garbeam@5 239
arg@161 240 if((c = getclient(ev->window)) || (c = getctitle(ev->window)))
garbeam@13 241 focus(c);
arg@239 242 else if(ev->window == root) {
garbeam@31 243 issel = True;
arg@239 244 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
arg@239 245 drawall();
arg@239 246 }
garbeam@5 247 }
garbeam@5 248
garbeam@5 249 static void
garbeam@5 250 expose(XEvent *e)
garbeam@5 251 {
arg@123 252 Client *c;
garbeam@5 253 XExposeEvent *ev = &e->xexpose;
garbeam@5 254
garbeam@5 255 if(ev->count == 0) {
garbeam@70 256 if(barwin == ev->window)
garbeam@74 257 drawstatus();
garbeam@75 258 else if((c = getctitle(ev->window)))
garbeam@74 259 drawtitle(c);
garbeam@5 260 }
garbeam@5 261 }
garbeam@5 262
garbeam@5 263 static void
garbeam@76 264 keypress(XEvent *e)
garbeam@76 265 {
arg@138 266 static unsigned int len = sizeof(key) / sizeof(key[0]);
garbeam@76 267 unsigned int i;
garbeam@76 268 KeySym keysym;
arg@123 269 XKeyEvent *ev = &e->xkey;
garbeam@76 270
garbeam@76 271 keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
arg@275 272 for(i = 0; i < len; i++) {
arg@160 273 if(keysym == key[i].keysym &&
arg@275 274 CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
arg@275 275 {
garbeam@76 276 if(key[i].func)
garbeam@76 277 key[i].func(&key[i].arg);
garbeam@76 278 return;
garbeam@76 279 }
arg@275 280 }
garbeam@76 281 }
garbeam@76 282
garbeam@76 283 static void
garbeam@76 284 leavenotify(XEvent *e)
garbeam@76 285 {
garbeam@76 286 XCrossingEvent *ev = &e->xcrossing;
garbeam@76 287
arg@239 288 if((ev->window == root) && !ev->same_screen) {
arg@239 289 issel = False;
arg@239 290 drawall();
arg@239 291 }
garbeam@76 292 }
garbeam@76 293
garbeam@76 294 static void
arg@279 295 mappingnotify(XEvent *e)
arg@279 296 {
arg@279 297 XMappingEvent *ev = &e->xmapping;
arg@279 298
arg@279 299 XRefreshKeyboardMapping(ev);
arg@279 300 if(ev->request == MappingKeyboard)
arg@279 301 grabkeys();
arg@279 302 }
arg@279 303
arg@279 304 static void
garbeam@5 305 maprequest(XEvent *e)
garbeam@5 306 {
arg@123 307 static XWindowAttributes wa;
garbeam@5 308 XMapRequestEvent *ev = &e->xmaprequest;
garbeam@5 309
garbeam@5 310 if(!XGetWindowAttributes(dpy, ev->window, &wa))
garbeam@5 311 return;
garbeam@5 312
garbeam@5 313 if(wa.override_redirect) {
garbeam@5 314 XSelectInput(dpy, ev->window,
garbeam@5 315 (StructureNotifyMask | PropertyChangeMask));
garbeam@5 316 return;
garbeam@5 317 }
garbeam@5 318
garbeam@10 319 if(!getclient(ev->window))
garbeam@10 320 manage(ev->window, &wa);
garbeam@5 321 }
garbeam@5 322
garbeam@5 323 static void
garbeam@5 324 propertynotify(XEvent *e)
garbeam@5 325 {
arg@123 326 Client *c;
arg@123 327 Window trans;
garbeam@5 328 XPropertyEvent *ev = &e->xproperty;
garbeam@5 329
garbeam@5 330 if(ev->state == PropertyDelete)
garbeam@5 331 return; /* ignore */
garbeam@5 332
garbeam@13 333 if((c = getclient(ev->window))) {
garbeam@77 334 if(ev->atom == wmatom[WMProtocols]) {
garbeam@75 335 c->proto = getproto(c->win);
garbeam@30 336 return;
garbeam@30 337 }
garbeam@13 338 switch (ev->atom) {
garbeam@13 339 default: break;
garbeam@13 340 case XA_WM_TRANSIENT_FOR:
garbeam@53 341 XGetTransientForHint(dpy, c->win, &trans);
garbeam@80 342 if(!c->isfloat && (c->isfloat = (trans != 0)))
garbeam@53 343 arrange(NULL);
garbeam@13 344 break;
garbeam@13 345 case XA_WM_NORMAL_HINTS:
arg@454 346 updatesize(c);
garbeam@13 347 break;
garbeam@13 348 }
garbeam@77 349 if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
arg@454 350 updatetitle(c);
garbeam@74 351 drawtitle(c);
garbeam@13 352 }
garbeam@13 353 }
garbeam@5 354 }
garbeam@5 355
garbeam@5 356 static void
garbeam@5 357 unmapnotify(XEvent *e)
garbeam@5 358 {
garbeam@5 359 Client *c;
garbeam@5 360 XUnmapEvent *ev = &e->xunmap;
garbeam@5 361
garbeam@10 362 if((c = getclient(ev->window)))
garbeam@10 363 unmanage(c);
garbeam@5 364 }
garbeam@76 365
garbeam@84 366 /* extern */
garbeam@76 367
garbeam@76 368 void (*handler[LASTEvent]) (XEvent *) = {
garbeam@76 369 [ButtonPress] = buttonpress,
garbeam@76 370 [ConfigureRequest] = configurerequest,
garbeam@76 371 [DestroyNotify] = destroynotify,
garbeam@76 372 [EnterNotify] = enternotify,
garbeam@76 373 [LeaveNotify] = leavenotify,
garbeam@76 374 [Expose] = expose,
garbeam@76 375 [KeyPress] = keypress,
arg@279 376 [MappingNotify] = mappingnotify,
garbeam@76 377 [MapRequest] = maprequest,
garbeam@76 378 [PropertyNotify] = propertynotify,
garbeam@76 379 [UnmapNotify] = unmapnotify
garbeam@76 380 };
garbeam@76 381
garbeam@76 382 void
garbeam@76 383 grabkeys()
garbeam@76 384 {
arg@138 385 static unsigned int len = sizeof(key) / sizeof(key[0]);
garbeam@76 386 unsigned int i;
garbeam@76 387 KeyCode code;
garbeam@76 388
arg@279 389 XUngrabKey(dpy, AnyKey, AnyModifier, root);
garbeam@76 390 for(i = 0; i < len; i++) {
garbeam@76 391 code = XKeysymToKeycode(dpy, key[i].keysym);
garbeam@76 392 XGrabKey(dpy, code, key[i].mod, root, True,
garbeam@76 393 GrabModeAsync, GrabModeAsync);
arg@160 394 XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
arg@160 395 GrabModeAsync, GrabModeAsync);
arg@291 396 XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
arg@146 397 GrabModeAsync, GrabModeAsync);
arg@291 398 XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
arg@146 399 GrabModeAsync, GrabModeAsync);
garbeam@76 400 }
garbeam@76 401 }
arg@292 402
arg@292 403 void
arg@292 404 procevent()
arg@292 405 {
arg@292 406 XEvent ev;
arg@292 407
arg@292 408 while(XPending(dpy)) {
arg@292 409 XNextEvent(dpy, &ev);
arg@292 410 if(handler[ev.type])
arg@292 411 (handler[ev.type])(&ev); /* call handler */
arg@292 412 }
arg@292 413 }
arg@292 414