ioncore/eventh.c

   1 /*
   2  * ion/ioncore/eventh.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2007.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <sys/time.h>
  12
  13 #include <libtu/objp.h>
  14 #include "common.h"
  15 #include "global.h"
  16 #include "rootwin.h"
  17 #include "property.h"
  18 #include "pointer.h"
  19 #include "key.h"
  20 #include "focus.h"
  21 #include "selection.h"
  22 #include "event.h"
  23 #include "eventh.h"
  24 #include "clientwin.h"
  25 #include "colormap.h"
  26 #include "grab.h"
  27 #include "bindmaps.h"
  28 #include "activity.h"
  29 #include "netwm.h"
  30 #include "xwindow.h"
  31
  32
  33 /*{{{ ioncore_handle_event */
  34
  35
  36 #define CASE_EVENT(EV) case EV:  /*\
  37     fprintf(stderr, "[%#lx] %s\n", ev->xany.window, #EV);*/
  38
  39
  40 bool ioncore_handle_event(XEvent *ev)
  41 {
  42
  43     switch(ev->type){
  44     CASE_EVENT(MapRequest)
  45         ioncore_handle_map_request(&(ev->xmaprequest));
  46         break;
  47     CASE_EVENT(ConfigureRequest)
  48         ioncore_handle_configure_request(&(ev->xconfigurerequest));
  49         break;
  50     CASE_EVENT(UnmapNotify)
  51         ioncore_handle_unmap_notify(&(ev->xunmap));
  52         break;
  53     CASE_EVENT(DestroyNotify)
  54         ioncore_handle_destroy_notify(&(ev->xdestroywindow));
  55         break;
  56     CASE_EVENT(ClientMessage)
  57         ioncore_handle_client_message(&(ev->xclient));
  58         break;
  59     CASE_EVENT(PropertyNotify)
  60         ioncore_handle_property(&(ev->xproperty));
  61         break;
  62     CASE_EVENT(FocusIn)
  63         ioncore_handle_focus_in(&(ev->xfocus));
  64         break;
  65     CASE_EVENT(FocusOut)
  66         ioncore_handle_focus_out(&(ev->xfocus));
  67         break;
  68     CASE_EVENT(EnterNotify)
  69         ioncore_handle_enter_window(ev);
  70         break;
  71     CASE_EVENT(Expose)
  72         ioncore_handle_expose(&(ev->xexpose));
  73         break;
  74     CASE_EVENT(KeyPress)
  75         ioncore_handle_keyboard(ev);
  76         break;
  77     CASE_EVENT(KeyRelease)
  78         ioncore_handle_keyboard(ev);
  79         break;
  80     CASE_EVENT(ButtonPress)
  81         ioncore_handle_buttonpress(ev);
  82         break;
  83     CASE_EVENT(ColormapNotify)
  84         ioncore_handle_colormap_notify(&(ev->xcolormap));
  85         break;
  86     CASE_EVENT(MappingNotify)
  87         ioncore_handle_mapping_notify(ev);
  88         break;
  89     CASE_EVENT(SelectionClear)
  90         ioncore_clear_selection();
  91         break;
  92     CASE_EVENT(SelectionNotify)
  93         ioncore_handle_selection(&(ev->xselection));
  94         break;
  95     CASE_EVENT(SelectionRequest)
  96         ioncore_handle_selection_request(&(ev->xselectionrequest));
  97         break;
  98     }
  99
 100     return TRUE;
 101 }
 102
 103
 104 /*}}}*/
 105
 106
 107 /*{{{ Map, unmap, destroy */
 108
 109
 110 void ioncore_handle_map_request(const XMapRequestEvent *ev)
 111 {
 112     WRegion *reg;
 113
 114     reg=XWINDOW_REGION_OF(ev->window);
 115
 116     if(reg!=NULL)
 117         return;
 118
 119     ioncore_manage_clientwin(ev->window, TRUE);
 120 }
 121
 122
 123 void ioncore_handle_unmap_notify(const XUnmapEvent *ev)
 124 {
 125     WClientWin *cwin;
 126
 127     /* We are not interested in SubstructureNotify -unmaps. */
 128     if(ev->event!=ev->window && ev->send_event!=True)
 129         return;
 130
 131     cwin=XWINDOW_REGION_OF_T(ev->window, WClientWin);
 132
 133     if(cwin!=NULL)
 134         clientwin_unmapped(cwin);
 135 }
 136
 137
 138 void ioncore_handle_destroy_notify(const XDestroyWindowEvent *ev)
 139 {
 140     WClientWin *cwin;
 141
 142     cwin=XWINDOW_REGION_OF_T(ev->window, WClientWin);
 143
 144     if(cwin!=NULL)
 145         clientwin_destroyed(cwin);
 146 }
 147
 148
 149 /*}}}*/
 150
 151
 152 /*{{{ Client configure/property/message */
 153
 154
 155 void ioncore_handle_configure_request(XConfigureRequestEvent *ev)
 156 {
 157     WClientWin *cwin;
 158     XWindowChanges wc;
 159
 160     cwin=XWINDOW_REGION_OF_T(ev->window, WClientWin);
 161
 162     if(cwin==NULL){
 163         wc.border_width=ev->border_width;
 164         wc.sibling=ev->above;
 165         wc.stack_mode=ev->detail;
 166         wc.x=ev->x;
 167         wc.y=ev->y;
 168         wc.width=ev->width;
 169         wc.height=ev->height;
 170         XConfigureWindow(ioncore_g.dpy, ev->window, ev->value_mask, &wc);
 171         return;
 172     }
 173
 174     clientwin_handle_configure_request(cwin, ev);
 175 }
 176
 177
 178 void ioncore_handle_client_message(const XClientMessageEvent *ev)
 179 {
 180     netwm_handle_client_message(ev);
 181
 182 #if 0
 183     WClientWin *cwin;
 184
 185     if(ev->message_type!=ioncore_g.atom_wm_change_state)
 186         return;
 187
 188     cwin=XWINDOW_REGION_OF_T(ev->window, WClientWin);
 189
 190     if(cwin==NULL)
 191         return;
 192
 193     if(ev->format==32 && ev->data.l[0]==IconicState){
 194         if(cwin->state==NormalState)
 195             iconify_clientwin(cwin);
 196     }
 197 #endif
 198 }
 199
 200
 201 static bool pchg_mrsh_extl(ExtlFn fn, void **p)
 202 {
 203     extl_call(fn, "oi", NULL, p[0], ((XPropertyEvent*)p[1])->atom);
 204     return TRUE;
 205 }
 206
 207 static bool pchg_mrsh(void (*fn)(void *p1, void *p2), void **p)
 208 {
 209     fn(p[0], p[1]);
 210     return TRUE;
 211 }
 212
 213
 214 void ioncore_handle_property(const XPropertyEvent *ev)
 215 {
 216     WClientWin *cwin;
 217
 218     cwin=XWINDOW_REGION_OF_T(ev->window, WClientWin);
 219
 220     if(cwin==NULL)
 221         return;
 222
 223     if(ev->atom==XA_WM_HINTS){
 224         XWMHints *hints;
 225         hints=XGetWMHints(ioncore_g.dpy, ev->window);
 226         /* region_notify/clear_activity take care of checking current state */
 227         if(hints!=NULL){
 228             if(hints->flags&XUrgencyHint){
 229                 if(!region_skip_focus((WRegion*)cwin))
 230                     region_set_activity((WRegion*)cwin, SETPARAM_SET);
 231             }else{
 232                 region_set_activity((WRegion*)cwin, SETPARAM_UNSET);
 233             }
 234         }
 235         XFree(hints);
 236     }else if(ev->atom==XA_WM_NORMAL_HINTS){
 237         clientwin_get_size_hints(cwin);
 238     }else if(ev->atom==XA_WM_NAME){
 239         if(!(cwin->flags&CLIENTWIN_USE_NET_WM_NAME))
 240             clientwin_get_set_name(cwin);
 241     }else if(ev->atom==XA_WM_TRANSIENT_FOR){
 242         clientwin_tfor_changed(cwin);
 243     }else if(ev->atom==ioncore_g.atom_wm_protocols){
 244         clientwin_get_protocols(cwin);
 245     }else{
 246         netwm_handle_property(cwin, ev);
 247     }
 248
 249     /* Call property hook */
 250     {
 251         void *p[2];
 252         p[0]=(void*)cwin;
 253         p[1]=(void*)ev;
 254         hook_call(clientwin_property_change_hook, p,
 255                   (WHookMarshall*)pchg_mrsh,
 256                   (WHookMarshallExtl*)pchg_mrsh_extl);
 257     }
 258 }
 259
 260
 261 /*}}}*/
 262
 263
 264 /*{{{ Misc. notifies */
 265
 266
 267 void ioncore_handle_mapping_notify(XEvent *ev)
 268 {
 269     do{
 270         XRefreshKeyboardMapping(&(ev->xmapping));
 271     }while(XCheckTypedEvent(ioncore_g.dpy, MappingNotify, ev));
 272
 273     ioncore_refresh_bindmaps();
 274 }
 275
 276
 277 /*}}}*/
 278
 279
 280 /*{{{ Expose */
 281
 282
 283 void ioncore_handle_expose(const XExposeEvent *ev)
 284 {
 285     WWindow *wwin;
 286     WRootWin *rootwin;
 287     XEvent tmp;
 288
 289     while(XCheckWindowEvent(ioncore_g.dpy, ev->window, ExposureMask, &tmp))
 290         /* nothing */;
 291
 292     wwin=XWINDOW_REGION_OF_T(ev->window, WWindow);
 293
 294     if(wwin!=NULL)
 295         window_draw(wwin, FALSE);
 296 }
 297
 298
 299 /*}}}*/
 300
 301
 302 /*{{{ Enter window, focus */
 303
 304
 305 void ioncore_handle_enter_window(XEvent *ev)
 306 {
 307     XEnterWindowEvent *eev=&(ev->xcrossing);
 308     WRegion *reg=NULL;
 309
 310     if(ioncore_g.input_mode!=IONCORE_INPUTMODE_NORMAL)
 311         return;
 312
 313     if(eev->mode!=NotifyNormal && !ioncore_g.warp_enabled)
 314         return;
 315
 316     reg=XWINDOW_REGION_OF_T(eev->window, WRegion);
 317
 318     if(reg==NULL)
 319         return;
 320
 321     if(REGION_IS_ACTIVE(reg))
 322         return;
 323
 324     if(region_skip_focus(reg))
 325         return;
 326
 327     if(ioncore_g.focus_next!=NULL &&
 328        ioncore_g.focus_next_source<IONCORE_FOCUSNEXT_ENTERWINDOW){
 329         return;
 330     }
 331
 332     /* If a child of 'reg' is to be focused, do not process this
 333      * event. (ioncore_g.focus_next should only be set here by
 334      * another call to use from ioncore_handle_enter_window below.)
 335      */
 336     if(ioncore_g.focus_next!=NULL){
 337         WRegion *r2=ioncore_g.focus_next;
 338         while(r2!=NULL){
 339             if(r2==reg)
 340                 return;
 341             r2=REGION_PARENT_REG(r2);
 342         }
 343     }
 344
 345     if(region_goto_flags(reg, (REGION_GOTO_FOCUS|
 346                                REGION_GOTO_NOWARP|
 347                                REGION_GOTO_ENTERWINDOW))){
 348         ioncore_g.focus_next_source=IONCORE_FOCUSNEXT_ENTERWINDOW;
 349     }
 350 }
 351
 352
 353 static bool pointer_in_root(Window root1)
 354 {
 355     Window root2=None, win;
 356     int x, y, wx, wy;
 357     uint mask;
 358
 359     XQueryPointer(ioncore_g.dpy, root1, &root2, &win,
 360                   &x, &y, &wx, &wy, &mask);
 361
 362     return (root1==root2);
 363 }
 364
 365
 366 void ioncore_handle_focus_in(const XFocusChangeEvent *ev)
 367 {
 368     WRegion *reg;
 369     WWindow *wwin;
 370
 371     reg=XWINDOW_REGION_OF_T(ev->window, WRegion);
 372
 373     if(reg==NULL)
 374         return;
 375
 376     D(fprintf(stderr, "FI: %s %p %d %d\n", OBJ_TYPESTR(reg), reg, ev->mode, ev->detail);)
 377
 378     if(ev->mode==NotifyGrab)
 379         return;
 380
 381     if(ev->detail==NotifyPointer)
 382         return;
 383
 384     /* Input contexts */
 385     if(OBJ_IS(reg, WWindow)){
 386         wwin=(WWindow*)reg;
 387         if(wwin->xic!=NULL)
 388             XSetICFocus(wwin->xic);
 389     }
 390
 391     if(ev->detail!=NotifyInferior)
 392         netwm_set_active(reg);
 393
 394     region_got_focus(reg);
 395
 396     if(ioncore_g.focus_next!=NULL &&
 397        ioncore_g.focus_next_source<IONCORE_FOCUSNEXT_FALLBACK){
 398         return;
 399     }
 400
 401     if((ev->detail==NotifyPointerRoot || ev->detail==NotifyDetailNone)
 402        && ev->window==region_root_of(reg) /* OBJ_IS(reg, WRootWin) */){
 403         /* Restore focus if it was returned to a root window and we don't
 404          * know of a pending focus change.
 405          */
 406         if(pointer_in_root(ev->window)){
 407             region_set_focus(reg);
 408             ioncore_g.focus_next_source=IONCORE_FOCUSNEXT_FALLBACK;
 409         }
 410     }else{
 411         /* Something got the focus, don't use fallback. */
 412         ioncore_g.focus_next=NULL;
 413     }
 414 }
 415
 416
 417 void ioncore_handle_focus_out(const XFocusChangeEvent *ev)
 418 {
 419     WRegion *reg;
 420     WWindow *wwin;
 421
 422     reg=XWINDOW_REGION_OF_T(ev->window, WRegion);
 423
 424     if(reg==NULL)
 425         return;
 426
 427     D(fprintf(stderr, "FO: %s %p %d %d\n", OBJ_TYPESTR(reg), reg, ev->mode, ev->detail);)
 428
 429     if(ev->mode==NotifyGrab)
 430         return;
 431
 432     if(ev->detail==NotifyPointer)
 433         return;
 434
 435     D(if(OBJ_IS(reg, WRootWin))
 436       fprintf(stderr, "scr-out %d %d %d\n", ((WRootWin*)reg)->xscr, ev->mode, ev->detail));
 437
 438     if(OBJ_IS(reg, WWindow)){
 439         wwin=(WWindow*)reg;
 440         if(wwin->xic!=NULL)
 441             XUnsetICFocus(wwin->xic);
 442     }
 443
 444     if(ev->detail!=NotifyInferior)
 445         region_lost_focus(reg);
 446     else
 447         region_got_focus(reg);
 448 }
 449
 450
 451 /*}}}*/
 452
 453
 454 /*{{{ Pointer, keyboard */
 455
 456
 457 void ioncore_handle_buttonpress(XEvent *ev)
 458 {
 459     XEvent tmp;
 460     Window win_pressed;
 461     bool finished=FALSE;
 462
 463     if(ioncore_grab_held())
 464         return;
 465
 466     win_pressed=ev->xbutton.window;
 467
 468     if(!ioncore_do_handle_buttonpress(&(ev->xbutton)))
 469         return;
 470
 471     while(!finished && ioncore_grab_held()){
 472         XFlush(ioncore_g.dpy);
 473         ioncore_get_event(ev, IONCORE_EVENTMASK_PTRLOOP);
 474
 475         if(ev->type==MotionNotify){
 476             /* Handle sequences of MotionNotify (possibly followed by button
 477              * release) as one.
 478              */
 479             if(XPeekEvent(ioncore_g.dpy, &tmp)){
 480                 if(tmp.type==MotionNotify || tmp.type==ButtonRelease)
 481                     XNextEvent(ioncore_g.dpy, ev);
 482             }
 483         }
 484
 485         switch(ev->type){
 486         CASE_EVENT(ButtonRelease)
 487             if(ioncore_do_handle_buttonrelease(&ev->xbutton))
 488                 finished=TRUE;
 489             break;
 490         CASE_EVENT(MotionNotify)
 491             ioncore_do_handle_motionnotify(&ev->xmotion);
 492             break;
 493         CASE_EVENT(Expose)
 494             ioncore_handle_expose(&(ev->xexpose));
 495             break;
 496         CASE_EVENT(KeyPress)
 497         CASE_EVENT(KeyRelease)
 498             ioncore_handle_grabs(ev);
 499             break;
 500         CASE_EVENT(FocusIn)
 501             ioncore_handle_focus_in(&(ev->xfocus));
 502             break;
 503         CASE_EVENT(FocusOut)
 504             ioncore_handle_focus_out(&(ev->xfocus));
 505             break;
 506         }
 507     }
 508 }
 509
 510
 511 void ioncore_handle_keyboard(XEvent *ev)
 512 {
 513     if(ioncore_handle_grabs(ev))
 514         return;
 515
 516     if(ev->type==KeyPress)
 517         ioncore_do_handle_keypress(&(ev->xkey));
 518 }
 519
 520
 521 /*}}}*/
 522
 523