ioncore/clientwin.c

   1 /*
   2  * ion/ioncore/clientwin.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <string.h>
  10 #include <limits.h>
  11 #include <ctype.h>
  12
  13 #include <libtu/objp.h>
  14 #include <libtu/minmax.h>
  15 #include <libextl/extl.h>
  16 #include <libmainloop/defer.h>
  17 #include <libmainloop/hooks.h>
  18 #include "common.h"
  19 #include "global.h"
  20 #include "property.h"
  21 #include "focus.h"
  22 #include "sizehint.h"
  23 #include "event.h"
  24 #include "clientwin.h"
  25 #include "colormap.h"
  26 #include "resize.h"
  27 #include "attach.h"
  28 #include "regbind.h"
  29 #include "bindmaps.h"
  30 #include "names.h"
  31 #include "saveload.h"
  32 #include "manage.h"
  33 #include "extlconv.h"
  34 #include "fullscreen.h"
  35 #include "event.h"
  36 #include "rootwin.h"
  37 #include "activity.h"
  38 #include "netwm.h"
  39 #include "xwindow.h"
  40 #include "bindmaps.h"
  41 #include "return.h"
  42 #include "conf.h"
  43 #include "group.h"
  44
  45
  46 static void set_clientwin_state(WClientWin *cwin, int state);
  47 static bool send_clientmsg(Window win, Atom a, Time stmp);
  48
  49
  50 WHook *clientwin_do_manage_alt=NULL;
  51 WHook *clientwin_mapped_hook=NULL;
  52 WHook *clientwin_unmapped_hook=NULL;
  53 WHook *clientwin_property_change_hook=NULL;
  54
  55
  56 /*{{{ Get properties */
  57
  58
  59 void clientwin_get_protocols(WClientWin *cwin)
  60 {
  61     Atom *protocols=NULL, *p;
  62     int n;
  63
  64     cwin->flags&=~(CLIENTWIN_P_WM_DELETE|CLIENTWIN_P_WM_TAKE_FOCUS);
  65
  66     if(!XGetWMProtocols(ioncore_g.dpy, cwin->win, &protocols, &n))
  67         return;
  68
  69     for(p=protocols; n; n--, p++){
  70         if(*p==ioncore_g.atom_wm_delete)
  71             cwin->flags|=CLIENTWIN_P_WM_DELETE;
  72         else if(*p==ioncore_g.atom_wm_take_focus)
  73             cwin->flags|=CLIENTWIN_P_WM_TAKE_FOCUS;
  74     }
  75
  76     if(protocols!=NULL)
  77         XFree((char*)protocols);
  78 }
  79
  80
  81 static WSizePolicy get_sizepolicy_winprop(WClientWin *cwin,
  82                                           const char *propname,
  83                                           WSizePolicy value)
  84 {
  85     char *szplcy;
  86
  87     if(extl_table_gets_s(cwin->proptab, propname, &szplcy)){
  88         string2sizepolicy(szplcy, &value);
  89         free(szplcy);
  90     }
  91     return value;
  92 }
  93
  94
  95 #define SIZEHINT_PROPS (CLIENTWIN_PROP_MAXSIZE|   \
  96                         CLIENTWIN_PROP_MINSIZE|   \
  97                         CLIENTWIN_PROP_ASPECT|    \
  98                         CLIENTWIN_PROP_RSZINC|    \
  99                         CLIENTWIN_PROP_I_MAXSIZE| \
 100                         CLIENTWIN_PROP_I_MINSIZE| \
 101                         CLIENTWIN_PROP_I_ASPECT|  \
 102                         CLIENTWIN_PROP_I_RSZINC)
 103
 104
 105 #define DO_SZH(NAME, FLAG, IFLAG, SZHFLAG, W, H, C)  \
 106     if(extl_table_is_bool_set(tab, "ignore_" NAME)){ \
 107         cwin->flags|=IFLAG;                          \
 108     }else if(extl_table_gets_t(tab, NAME, &tab2)){   \
 109         if(extl_table_gets_i(tab2, "w", &i1) &&      \
 110            extl_table_gets_i(tab2, "h", &i2)){       \
 111             cwin->size_hints.W=i1;                   \
 112             cwin->size_hints.H=i2;                   \
 113             C                                        \
 114             cwin->size_hints.flags|=SZHFLAG;         \
 115             cwin->flags|=FLAG;                       \
 116         }                                            \
 117         extl_unref_table(tab2);                      \
 118     }
 119
 120
 121 static void clientwin_get_winprops(WClientWin *cwin)
 122 {
 123     ExtlTab tab, tab2;
 124     char *s;
 125     int i1, i2;
 126
 127     tab=ioncore_get_winprop(cwin);
 128
 129     cwin->proptab=tab;
 130
 131     if(tab==extl_table_none())
 132         return;
 133
 134     if(extl_table_is_bool_set(tab, "transparent"))
 135         cwin->flags|=CLIENTWIN_PROP_TRANSPARENT;
 136
 137     if(extl_table_is_bool_set(tab, "acrobatic"))
 138         cwin->flags|=CLIENTWIN_PROP_ACROBATIC;
 139
 140     if(extl_table_is_bool_set(tab, "lazy_resize"))
 141         cwin->flags|=CLIENTWIN_PROP_LAZY_RESIZE;
 142
 143     DO_SZH("max_size", CLIENTWIN_PROP_MAXSIZE, CLIENTWIN_PROP_I_MAXSIZE,
 144            PMaxSize, max_width, max_height, { });
 145
 146     DO_SZH("min_size", CLIENTWIN_PROP_MINSIZE, CLIENTWIN_PROP_I_MINSIZE,
 147            PMinSize, min_width, min_height, { });
 148
 149     DO_SZH("resizeinc", CLIENTWIN_PROP_RSZINC, CLIENTWIN_PROP_I_RSZINC,
 150            PResizeInc, width_inc, height_inc, { });
 151
 152     DO_SZH("aspect", CLIENTWIN_PROP_ASPECT, CLIENTWIN_PROP_I_ASPECT,
 153            PAspect, min_aspect.x, min_aspect.y,
 154            { cwin->size_hints.max_aspect.x=i1;
 155              cwin->size_hints.max_aspect.y=i2;
 156            });
 157
 158     if(extl_table_is_bool_set(tab, "ignore_cfgrq"))
 159         cwin->flags|=CLIENTWIN_PROP_IGNORE_CFGRQ;
 160
 161     if(extl_table_gets_s(tab, "orientation", &s)){
 162         if(strcmp(s, "vertical")==0)
 163             cwin->flags|=CLIENTWIN_PROP_O_VERT;
 164         else if(strcmp(s, "horizontal")==0)
 165             cwin->flags|=CLIENTWIN_PROP_O_HORIZ;
 166         free(s);
 167     }
 168 }
 169
 170
 171 void clientwin_get_size_hints(WClientWin *cwin)
 172 {
 173     XSizeHints tmp=cwin->size_hints;
 174
 175     xwindow_get_sizehints(cwin->win, &(cwin->size_hints));
 176
 177     if(cwin->flags&CLIENTWIN_PROP_I_MAXSIZE){
 178         cwin->size_hints.flags&=~PMaxSize;
 179     }else if(cwin->flags&CLIENTWIN_PROP_MAXSIZE){
 180         cwin->size_hints.max_width=tmp.max_width;
 181         cwin->size_hints.max_height=tmp.max_height;
 182         cwin->size_hints.flags|=PMaxSize;
 183     }
 184
 185     if(cwin->flags&CLIENTWIN_PROP_I_MINSIZE){
 186         cwin->size_hints.flags&=~PMinSize;
 187     }else if(cwin->flags&CLIENTWIN_PROP_MINSIZE){
 188         cwin->size_hints.min_width=tmp.min_width;
 189         cwin->size_hints.min_height=tmp.min_height;
 190         cwin->size_hints.flags|=PMinSize;
 191     }
 192
 193     if(cwin->flags&CLIENTWIN_PROP_I_ASPECT){
 194         cwin->size_hints.flags&=~PAspect;
 195     }else if(cwin->flags&CLIENTWIN_PROP_ASPECT){
 196         cwin->size_hints.min_aspect=tmp.min_aspect;
 197         cwin->size_hints.max_aspect=tmp.max_aspect;
 198         cwin->size_hints.flags|=PAspect;
 199     }
 200
 201     if(cwin->flags&CLIENTWIN_PROP_I_RSZINC){
 202         cwin->size_hints.flags&=~PResizeInc;
 203     }else if(cwin->flags&CLIENTWIN_PROP_RSZINC){
 204         cwin->size_hints.width_inc=tmp.width_inc;
 205         cwin->size_hints.height_inc=tmp.height_inc;
 206         cwin->size_hints.flags|=PResizeInc;
 207     }
 208 }
 209
 210
 211 void clientwin_get_set_name(WClientWin *cwin)
 212 {
 213     char **list=NULL;
 214     int n=0;
 215
 216     if(ioncore_g.use_mb)
 217         list=netwm_get_name(cwin);
 218
 219     if(list==NULL){
 220         list=xwindow_get_text_property(cwin->win, XA_WM_NAME, &n);
 221     }else{
 222         cwin->flags|=CLIENTWIN_USE_NET_WM_NAME;
 223     }
 224
 225     if(list==NULL){
 226         /* Special condition kludge: property exists, but couldn't
 227          * be converted to a string list.
 228          */
 229         clientwin_set_name(cwin, (n==-1 ? "???" : NULL));
 230     }else{
 231         clientwin_set_name(cwin, *list);
 232         XFreeStringList(list);
 233     }
 234 }
 235
 236
 237 /* Some standard winprops */
 238
 239
 240 bool clientwin_get_switchto(const WClientWin *cwin)
 241 {
 242     bool b;
 243
 244     if(ioncore_g.opmode==IONCORE_OPMODE_INIT)
 245         return FALSE;
 246
 247     if(extl_table_gets_b(cwin->proptab, "switchto", &b))
 248         return b;
 249
 250     return ioncore_g.switchto_new;
 251 }
 252
 253
 254 int clientwin_get_transient_mode(const WClientWin *cwin)
 255 {
 256     char *s;
 257     int mode=TRANSIENT_MODE_NORMAL;
 258
 259     if(extl_table_gets_s(cwin->proptab, "transient_mode", &s)){
 260         if(strcmp(s, "current")==0)
 261             mode=TRANSIENT_MODE_CURRENT;
 262         else if(strcmp(s, "off")==0)
 263             mode=TRANSIENT_MODE_OFF;
 264         free(s);
 265     }
 266     return mode;
 267 }
 268
 269
 270 /*}}}*/
 271
 272
 273 /*{{{ Manage/create */
 274
 275
 276 static void configure_cwin_bw(Window win, int bw)
 277 {
 278     XWindowChanges wc;
 279     ulong wcmask=CWBorderWidth;
 280
 281     wc.border_width=bw;
 282     XConfigureWindow(ioncore_g.dpy, win, wcmask, &wc);
 283 }
 284
 285
 286 static void set_sane_gravity(Window win)
 287 {
 288     XSetWindowAttributes attr;
 289
 290     attr.win_gravity=NorthWestGravity;
 291
 292     XChangeWindowAttributes(ioncore_g.dpy, win,
 293                             CWWinGravity, &attr);
 294 }
 295
 296
 297 static bool clientwin_init(WClientWin *cwin, WWindow *par, Window win,
 298                            XWindowAttributes *attr)
 299 {
 300     WFitParams fp;
 301
 302     cwin->flags=0;
 303     cwin->win=win;
 304     cwin->state=WithdrawnState;
 305
 306     fp.g.x=attr->x;
 307     fp.g.y=attr->y;
 308     fp.g.w=attr->width;
 309     fp.g.h=attr->height;
 310     fp.mode=REGION_FIT_EXACT;
 311
 312     /* The idiot who invented special server-supported window borders that
 313      * are not accounted for in the window size should be "taken behind a
 314      * sauna".
 315      */
 316     cwin->orig_bw=attr->border_width;
 317     configure_cwin_bw(cwin->win, 0);
 318     if(cwin->orig_bw!=0 && cwin->size_hints.flags&PWinGravity){
 319         fp.g.x+=xgravity_deltax(cwin->size_hints.win_gravity,
 320                                -cwin->orig_bw, -cwin->orig_bw);
 321         fp.g.y+=xgravity_deltay(cwin->size_hints.win_gravity,
 322                                -cwin->orig_bw, -cwin->orig_bw);
 323     }
 324
 325     set_sane_gravity(cwin->win);
 326
 327     cwin->n_cmapwins=0;
 328     cwin->cmap=attr->colormap;
 329     cwin->cmaps=NULL;
 330     cwin->cmapwins=NULL;
 331     cwin->n_cmapwins=0;
 332     cwin->event_mask=IONCORE_EVENTMASK_CLIENTWIN;
 333
 334     region_init(&(cwin->region), par, &fp);
 335
 336     cwin->region.flags|=REGION_GRAB_ON_PARENT;
 337     region_add_bindmap(&cwin->region, ioncore_clientwin_bindmap);
 338
 339     XSelectInput(ioncore_g.dpy, win, cwin->event_mask);
 340
 341     clientwin_register(cwin);
 342     clientwin_get_set_name(cwin);
 343     clientwin_get_colormaps(cwin);
 344     clientwin_get_protocols(cwin);
 345     clientwin_get_winprops(cwin);
 346     clientwin_get_size_hints(cwin);
 347
 348     netwm_update_allowed_actions(cwin);
 349
 350     XSaveContext(ioncore_g.dpy, win, ioncore_g.win_context, (XPointer)cwin);
 351     XAddToSaveSet(ioncore_g.dpy, win);
 352
 353     return TRUE;
 354 }
 355
 356
 357 static WClientWin *create_clientwin(WWindow *par, Window win,
 358                                     XWindowAttributes *attr)
 359 {
 360     CREATEOBJ_IMPL(WClientWin, clientwin, (p, par, win, attr));
 361 }
 362
 363
 364
 365 WClientWin *clientwin_get_transient_for(const WClientWin *cwin)
 366 {
 367     Window tforwin;
 368     WClientWin *tfor=NULL;
 369
 370     if(clientwin_get_transient_mode(cwin)!=TRANSIENT_MODE_NORMAL)
 371         return NULL;
 372
 373     if(!XGetTransientForHint(ioncore_g.dpy, cwin->win, &tforwin))
 374         return NULL;
 375
 376     if(tforwin==None)
 377         return NULL;
 378
 379     tfor=XWINDOW_REGION_OF_T(tforwin, WClientWin);
 380
 381     if(tfor==cwin){
 382         warn(TR("The transient_for hint for \"%s\" points to itself."),
 383              region_name((WRegion*)cwin));
 384     }else if(tfor==NULL){
 385         if(xwindow_region_of(tforwin)!=NULL){
 386             warn(TR("Client window \"%s\" has broken transient_for hint. "
 387                     "(\"Extended WM hints\" multi-parent brain damage?)"),
 388                  region_name((WRegion*)cwin));
 389         }
 390     }else if(!region_same_rootwin((WRegion*)cwin, (WRegion*)tfor)){
 391         warn(TR("The transient_for window for \"%s\" is not on the same "
 392                 "screen."), region_name((WRegion*)cwin));
 393     }else{
 394         return tfor;
 395     }
 396
 397     return NULL;
 398 }
 399
 400
 401 static bool postmanage_check(WClientWin *cwin, XWindowAttributes *attr)
 402 {
 403     /* Check that the window exists. The previous check and selectinput
 404      * do not seem to catch all cases of window destroyal.
 405      */
 406     XSync(ioncore_g.dpy, False);
 407
 408     if(XGetWindowAttributes(ioncore_g.dpy, cwin->win, attr))
 409         return TRUE;
 410
 411     warn(TR("Window %#x disappeared."), cwin->win);
 412
 413     return FALSE;
 414 }
 415
 416
 417 static bool do_manage_mrsh(bool (*fn)(WClientWin *cwin, WManageParams *pm),
 418                            void **p)
 419 {
 420     return fn((WClientWin*)p[0], (WManageParams*)p[1]);
 421 }
 422
 423
 424
 425 static bool do_manage_mrsh_extl(ExtlFn fn, void **p)
 426 {
 427     WClientWin *cwin=(WClientWin*)p[0];
 428     WManageParams *mp=(WManageParams*)p[1];
 429     ExtlTab t=manageparams_to_table(mp);
 430     bool ret=FALSE;
 431
 432     extl_call(fn, "ot", "b", cwin, t, &ret);
 433
 434     extl_unref_table(t);
 435
 436     return (ret && REGION_MANAGER(cwin)!=NULL);
 437 }
 438
 439
 440 /* This is called when a window is mapped on the root window.
 441  * We want to check if we should manage the window and how and
 442  * act appropriately.
 443  */
 444 WClientWin* ioncore_manage_clientwin(Window win, bool maprq)
 445 {
 446     WRootWin *rootwin;
 447     WClientWin *cwin=NULL;
 448     XWindowAttributes attr;
 449     XWMHints *hints;
 450     int init_state=NormalState;
 451     WManageParams param=MANAGEPARAMS_INIT;
 452     void *mrshpm[2];
 453
 454     param.dockapp=FALSE;
 455
 456     /* Is the window already being managed? */
 457     cwin=XWINDOW_REGION_OF_T(win, WClientWin);
 458     if(cwin!=NULL)
 459         return cwin;
 460
 461     /* Select for UnmapNotify and DestroyNotify as the
 462      * window might get destroyed or unmapped in the meanwhile.
 463      */
 464     xwindow_unmanaged_selectinput(win, StructureNotifyMask);
 465
 466     if(!XGetWindowAttributes(ioncore_g.dpy, win, &attr)){
 467         if(maprq)
 468             warn(TR("Window %#x disappeared."), win);
 469         goto fail2;
 470     }
 471
 472     /* Is it a dockapp?
 473      */
 474     hints=XGetWMHints(ioncore_g.dpy, win);
 475
 476     if(hints!=NULL){
 477         if(hints->flags&StateHint)
 478             init_state=hints->initial_state;
 479
 480         if(!param.dockapp && init_state==WithdrawnState &&
 481            hints->flags&IconWindowHint && hints->icon_window!=None){
 482             Window icon_win=hints->icon_window;
 483             XWindowAttributes icon_attr;
 484
 485             if(!XGetWindowAttributes(ioncore_g.dpy, icon_win, &icon_attr)){
 486                 if(maprq)
 487                     warn(TR("Window %#x disappeared."), win);
 488                 XFree((void*)hints);
 489                 goto fail2;
 490             }
 491
 492             if(!maprq){
 493                 if(attr.map_state==IsViewable){
 494                     /* The dockapp might be displaying its "main" window if no
 495                      * wm that understands dockapps has been managing it.
 496                      */
 497                     XUnmapWindow(ioncore_g.dpy, win);
 498                     param.dockapp=TRUE;
 499                 }else{
 500                     /* Main window is unmapped on initial scan, but icon window
 501                      * is mapped. Let's hope it's a dockapp left by e.g. us.
 502                      */
 503                     if(icon_attr.map_state==IsViewable)
 504                         param.dockapp=TRUE;
 505                 }
 506             }else{
 507                 param.dockapp=TRUE;
 508             }
 509
 510             if(param.dockapp){
 511                 char **p=NULL;
 512                 int n=0;
 513
 514                 xwindow_unmanaged_selectinput(win, 0);
 515                 xwindow_unmanaged_selectinput(icon_win, StructureNotifyMask);
 516
 517                 /* Copy WM_CLASS as _ION_DOCKAPP_HACK */
 518
 519                 p=xwindow_get_text_property(win, XA_WM_CLASS, &n);
 520
 521                 if(p!=NULL){
 522                     xwindow_set_text_property(icon_win, ioncore_g.atom_dockapp_hack,
 523                                               (const char **)p, n);
 524                     XFreeStringList(p);
 525                 }else{
 526                     const char *pdummy[2]={"unknowndockapp", "UnknownDockapp"};
 527                     xwindow_set_text_property(icon_win, ioncore_g.atom_dockapp_hack,
 528                                               pdummy, 2);
 529                 }
 530
 531                 win=icon_win;
 532                 attr=icon_attr;
 533             }
 534         }
 535
 536         XFree((void*)hints);
 537     }
 538
 539     /* Do we really want to manage it? */
 540     if(!param.dockapp && (attr.override_redirect ||
 541         (!maprq && attr.map_state!=IsViewable))){
 542         goto fail2;
 543     }
 544
 545     attr.width=maxof(attr.width, 1);
 546     attr.height=maxof(attr.height, 1);
 547
 548     /* Find root window */
 549     FOR_ALL_ROOTWINS(rootwin){
 550         if(WROOTWIN_ROOT(rootwin)==attr.root)
 551             break;
 552     }
 553
 554     if(rootwin==NULL){
 555         warn(TR("Unable to find a matching root window!"));
 556         goto fail2;
 557     }
 558
 559     /* Allocate and initialize */
 560     cwin=create_clientwin((WWindow*)rootwin, win, &attr);
 561
 562     if(cwin==NULL){
 563         warn_err();
 564         goto fail2;
 565     }
 566
 567     param.geom=REGION_GEOM(cwin);
 568     param.maprq=maprq;
 569     param.jumpto=extl_table_is_bool_set(cwin->proptab, "jumpto");
 570     param.switchto=(init_state!=IconicState &&
 571                     (param.jumpto || clientwin_get_switchto(cwin)));
 572     param.gravity=(cwin->size_hints.flags&PWinGravity
 573                    ? cwin->size_hints.win_gravity
 574                    : ForgetGravity);
 575     param.tfor=clientwin_get_transient_for(cwin);
 576
 577     if(!extl_table_gets_b(cwin->proptab, "userpos", &param.userpos))
 578         param.userpos=(cwin->size_hints.flags&USPosition);
 579
 580     if(cwin->flags&SIZEHINT_PROPS){
 581         /* If size hints have been messed with, readjust requested geometry
 582          * here. If programs themselves give incompatible geometries and
 583          * things don't look good then, it's their fault.
 584          */
 585         region_size_hints_correct((WRegion*)cwin, &param.geom.w, &param.geom.h,
 586                                   FALSE);
 587     }
 588
 589     if(maprq)
 590         netwm_check_manage_user_time(cwin, &param);
 591
 592     mrshpm[0]=cwin;
 593     mrshpm[1]=&param;
 594
 595     if(!hook_call_alt(clientwin_do_manage_alt, &mrshpm,
 596                       (WHookMarshall*)do_manage_mrsh,
 597                       (WHookMarshallExtl*)do_manage_mrsh_extl)){
 598         warn(TR("Unable to manage client window %#x."), win);
 599         goto failure;
 600     }
 601
 602     if(ioncore_g.opmode==IONCORE_OPMODE_NORMAL &&
 603        !region_is_fully_mapped((WRegion*)cwin) &&
 604        !region_skip_focus((WRegion*)cwin)){
 605         region_set_activity((WRegion*)cwin, SETPARAM_SET);
 606     }
 607
 608     if(postmanage_check(cwin, &attr)){
 609         /* Check for focus_next==NULL does not play nicely with
 610          * pointer_focus_hack.
 611          */
 612         /*if(param.jumpto && ioncore_g.focus_next==NULL)*/
 613         if(param.jumpto && !region_manager_is_focusnext((WRegion*)cwin))
 614             region_goto((WRegion*)cwin);
 615         hook_call_o(clientwin_mapped_hook, (Obj*)cwin);
 616         return cwin;
 617     }
 618
 619 failure:
 620     clientwin_destroyed(cwin);
 621     return NULL;
 622
 623 fail2:
 624     xwindow_unmanaged_selectinput(win, 0);
 625     return NULL;
 626 }
 627
 628
 629 void clientwin_tfor_changed(WClientWin *cwin)
 630 {
 631 #if 0
 632     WManageParams param=MANAGEPARAMS_INIT;
 633     bool succeeded=FALSE;
 634     param.tfor=clientwin_get_transient_for(cwin);
 635     if(param.tfor==NULL)
 636         return;
 637
 638     region_rootpos((WRegion*)cwin, &(param.geom.x), &(param.geom.y));
 639     param.geom.w=REGION_GEOM(cwin).w;
 640     param.geom.h=REGION_GEOM(cwin).h;
 641     param.maprq=FALSE;
 642     param.userpos=FALSE;
 643     param.switchto=region_may_control_focus((WRegion*)cwin);
 644     param.jumpto=extl_table_is_bool_set(cwin->proptab, "jumpto");
 645     param.gravity=ForgetGravity;
 646
 647     CALL_ALT_B(succeeded, clientwin_do_manage_alt, (cwin, &param));
 648     warn("WM_TRANSIENT_FOR changed for \"%s\".",
 649          region_name((WRegion*)cwin));
 650 #else
 651     warn(TR("Changes is WM_TRANSIENT_FOR property are unsupported."));
 652 #endif
 653 }
 654
 655
 656 /*}}}*/
 657
 658
 659 /*{{{ Unmanage/destroy */
 660
 661
 662 static bool reparent_root(WClientWin *cwin)
 663 {
 664     XWindowAttributes attr;
 665     WWindow *par;
 666     Window dummy;
 667     int x=0, y=0;
 668
 669     if(!XGetWindowAttributes(ioncore_g.dpy, cwin->win, &attr))
 670         return FALSE;
 671
 672     par=REGION_PARENT(cwin);
 673
 674     if(par==NULL){
 675         x=REGION_GEOM(cwin).x;
 676         y=REGION_GEOM(cwin).y;
 677     }else{
 678         int dr=REGION_GEOM(par).w-REGION_GEOM(cwin).w-REGION_GEOM(cwin).x;
 679         int db=REGION_GEOM(par).h-REGION_GEOM(cwin).h-REGION_GEOM(cwin).y;
 680         dr=maxof(dr, 0);
 681         db=maxof(db, 0);
 682
 683         XTranslateCoordinates(ioncore_g.dpy, par->win, attr.root, 0, 0,
 684                               &x, &y, &dummy);
 685
 686         x-=xgravity_deltax(cwin->size_hints.win_gravity,
 687                            maxof(0, REGION_GEOM(cwin).x), dr);
 688         y-=xgravity_deltay(cwin->size_hints.win_gravity,
 689                            maxof(0, REGION_GEOM(cwin).y), db);
 690     }
 691
 692     XReparentWindow(ioncore_g.dpy, cwin->win, attr.root, x, y);
 693
 694     return TRUE;
 695 }
 696
 697
 698 void clientwin_deinit(WClientWin *cwin)
 699 {
 700     WRegion *reg;
 701
 702     if(cwin->win!=None){
 703         region_pointer_focus_hack(&cwin->region);
 704
 705         xwindow_unmanaged_selectinput(cwin->win, 0);
 706         XUnmapWindow(ioncore_g.dpy, cwin->win);
 707
 708         if(cwin->orig_bw!=0)
 709             configure_cwin_bw(cwin->win, cwin->orig_bw);
 710
 711         if(reparent_root(cwin)){
 712             if(ioncore_g.opmode==IONCORE_OPMODE_DEINIT){
 713                 XMapWindow(ioncore_g.dpy, cwin->win);
 714                 /* Make sure the topmost window has focus; it doesn't really
 715                  * matter which one has as long as some has.
 716                  */
 717                 xwindow_do_set_focus(cwin->win);
 718             }else{
 719                 set_clientwin_state(cwin, WithdrawnState);
 720                 netwm_delete_state(cwin);
 721             }
 722         }
 723
 724         XRemoveFromSaveSet(ioncore_g.dpy, cwin->win);
 725         XDeleteContext(ioncore_g.dpy, cwin->win, ioncore_g.win_context);
 726     }
 727
 728     clientwin_clear_colormaps(cwin);
 729
 730     region_deinit((WRegion*)cwin);
 731 }
 732
 733
 734
 735 static bool mrsh_u_c(WHookDummy *fn, void *param)
 736 {
 737     fn(*(Window*)param);
 738     return TRUE;
 739 }
 740
 741 static bool mrsh_u_extl(ExtlFn fn, void *param)
 742 {
 743     double d=*(Window*)param;
 744     extl_call(fn, "d", NULL, d);
 745     return TRUE;
 746 }
 747
 748 static void clientwin_do_unmapped(WClientWin *cwin, Window win)
 749 {
 750     cwin->flags|=CLIENTWIN_UNMAP_RQ;
 751
 752     /* First try a graceful chain-dispose */
 753     if(!region_rqdispose((WRegion*)cwin)){
 754         /* But force dispose anyway */
 755         region_dispose((WRegion*)cwin);
 756     }
 757
 758     hook_call(clientwin_unmapped_hook, &win, mrsh_u_c, mrsh_u_extl);
 759 }
 760
 761 /* Used when the window was unmapped */
 762 void clientwin_unmapped(WClientWin *cwin)
 763 {
 764     clientwin_do_unmapped(cwin, cwin->win);
 765 }
 766
 767
 768 /* Used when the window was deastroyed */
 769 void clientwin_destroyed(WClientWin *cwin)
 770 {
 771     Window win=cwin->win;
 772     XRemoveFromSaveSet(ioncore_g.dpy, cwin->win);
 773     XDeleteContext(ioncore_g.dpy, cwin->win, ioncore_g.win_context);
 774     xwindow_unmanaged_selectinput(cwin->win, 0);
 775     cwin->win=None;
 776     clientwin_do_unmapped(cwin, win);
 777 }
 778
 779
 780 /*}}}*/
 781
 782
 783 /*{{{ Kill/close */
 784
 785
 786 static bool send_clientmsg(Window win, Atom a, Time stmp)
 787 {
 788     XClientMessageEvent ev;
 789
 790     ev.type=ClientMessage;
 791     ev.window=win;
 792     ev.message_type=ioncore_g.atom_wm_protocols;
 793     ev.format=32;
 794     ev.data.l[0]=a;
 795     ev.data.l[1]=stmp;
 796
 797     return (XSendEvent(ioncore_g.dpy, win, False, 0L, (XEvent*)&ev)!=0);
 798 }
 799
 800
 801 /*EXTL_DOC
 802  * Attempt to kill (with \code{XKillWindow}) the client that owns
 803  * the X window correspoding to \var{cwin}.
 804  */
 805 EXTL_EXPORT_MEMBER
 806 void clientwin_kill(WClientWin *cwin)
 807 {
 808     XKillClient(ioncore_g.dpy, cwin->win);
 809 }
 810
 811
 812 void clientwin_rqclose(WClientWin *cwin, bool relocate_ignored)
 813 {
 814     /* Ignore relocate parameter -- client windows can always be
 815      * destroyed by the application in any case, so way may just as
 816      * well assume relocate is always set.
 817      */
 818
 819     if(cwin->flags&CLIENTWIN_P_WM_DELETE){
 820         send_clientmsg(cwin->win, ioncore_g.atom_wm_delete,
 821                        ioncore_get_timestamp());
 822     }else{
 823         warn(TR("Client does not support the WM_DELETE protocol."));
 824     }
 825 }
 826
 827
 828 /*}}}*/
 829
 830
 831 /*{{{ State (hide/show) */
 832
 833
 834 static void set_clientwin_state(WClientWin *cwin, int state)
 835 {
 836     if(cwin->state!=state){
 837         cwin->state=state;
 838         xwindow_set_state_property(cwin->win, state);
 839     }
 840 }
 841
 842
 843 static void hide_clientwin(WClientWin *cwin)
 844 {
 845     region_pointer_focus_hack(&cwin->region);
 846
 847     if(cwin->flags&CLIENTWIN_PROP_ACROBATIC){
 848         XMoveWindow(ioncore_g.dpy, cwin->win,
 849                     -2*REGION_GEOM(cwin).w, -2*REGION_GEOM(cwin).h);
 850         return;
 851     }
 852
 853     set_clientwin_state(cwin, IconicState);
 854     XSelectInput(ioncore_g.dpy, cwin->win,
 855                  cwin->event_mask&~(StructureNotifyMask|EnterWindowMask));
 856     XUnmapWindow(ioncore_g.dpy, cwin->win);
 857     XSelectInput(ioncore_g.dpy, cwin->win, cwin->event_mask);
 858 }
 859
 860
 861 static void show_clientwin(WClientWin *cwin)
 862 {
 863     if(cwin->flags&CLIENTWIN_PROP_ACROBATIC){
 864         XMoveWindow(ioncore_g.dpy, cwin->win,
 865                     REGION_GEOM(cwin).x, REGION_GEOM(cwin).y);
 866         if(cwin->state==NormalState)
 867             return;
 868     }
 869
 870     XSelectInput(ioncore_g.dpy, cwin->win,
 871                  cwin->event_mask&~(StructureNotifyMask|EnterWindowMask));
 872     XMapWindow(ioncore_g.dpy, cwin->win);
 873     XSelectInput(ioncore_g.dpy, cwin->win, cwin->event_mask);
 874     set_clientwin_state(cwin, NormalState);
 875 }
 876
 877
 878 /*}}}*/
 879
 880
 881 /*{{{ Resize/reparent/reconf helpers */
 882
 883
 884 void clientwin_notify_rootpos(WClientWin *cwin, int rootx, int rooty)
 885 {
 886     XEvent ce;
 887     Window win;
 888
 889     if(cwin==NULL)
 890         return;
 891
 892     win=cwin->win;
 893
 894     ce.xconfigure.type=ConfigureNotify;
 895     ce.xconfigure.event=win;
 896     ce.xconfigure.window=win;
 897     ce.xconfigure.x=rootx-cwin->orig_bw;
 898     ce.xconfigure.y=rooty-cwin->orig_bw;
 899     ce.xconfigure.width=REGION_GEOM(cwin).w;
 900     ce.xconfigure.height=REGION_GEOM(cwin).h;
 901     ce.xconfigure.border_width=cwin->orig_bw;
 902     ce.xconfigure.above=None;
 903     ce.xconfigure.override_redirect=False;
 904
 905     XSelectInput(ioncore_g.dpy, win, cwin->event_mask&~StructureNotifyMask);
 906     XSendEvent(ioncore_g.dpy, win, False, StructureNotifyMask, &ce);
 907     XSelectInput(ioncore_g.dpy, win, cwin->event_mask);
 908 }
 909
 910
 911 static void sendconfig_clientwin(WClientWin *cwin)
 912 {
 913     int rootx, rooty;
 914
 915     region_rootpos(&cwin->region, &rootx, &rooty);
 916     clientwin_notify_rootpos(cwin, rootx, rooty);
 917 }
 918
 919
 920 static void do_reparent_clientwin(WClientWin *cwin, Window win, int x, int y)
 921 {
 922     XSelectInput(ioncore_g.dpy, cwin->win,
 923                  cwin->event_mask&~StructureNotifyMask);
 924     XReparentWindow(ioncore_g.dpy, cwin->win, win, x, y);
 925     XSelectInput(ioncore_g.dpy, cwin->win, cwin->event_mask);
 926 }
 927
 928
 929 static void convert_geom(const WFitParams *fp,
 930                          WClientWin *cwin, WRectangle *geom)
 931 {
 932     WFitParams fptmp=*fp;
 933     WSizePolicy szplcy=SIZEPOLICY_FULL_EXACT;
 934
 935     /*if(cwin->szplcy!=SIZEPOLICY_DEFAULT)
 936         szplcy=cwin->szplcy;*/
 937
 938     sizepolicy(&szplcy, (WRegion*)cwin, NULL, REGION_RQGEOM_WEAK_ALL, &fptmp);
 939
 940     *geom=fptmp.g;
 941 }
 942
 943
 944 /*}}}*/
 945
 946
 947 /*{{{ Region dynfuns */
 948
 949
 950 static bool postpone_resize(WClientWin *cwin)
 951 {
 952     return cwin->state == IconicState && cwin->flags&CLIENTWIN_PROP_LAZY_RESIZE;
 953 }
 954
 955
 956 static bool clientwin_fitrep(WClientWin *cwin, WWindow *np,
 957                              const WFitParams *fp)
 958 {
 959     WRectangle geom;
 960     bool changes;
 961     int w, h;
 962
 963     if(np!=NULL && !region_same_rootwin((WRegion*)cwin, (WRegion*)np))
 964         return FALSE;
 965
 966     if(fp->mode&REGION_FIT_WHATEVER){
 967         geom.x=fp->g.x;
 968         geom.y=fp->g.y;
 969         geom.w=REGION_GEOM(cwin).w;
 970         geom.h=REGION_GEOM(cwin).h;
 971     }else{
 972         geom=fp->g;
 973     }
 974
 975     changes=(REGION_GEOM(cwin).x!=geom.x ||
 976              REGION_GEOM(cwin).y!=geom.y ||
 977              REGION_GEOM(cwin).w!=geom.w ||
 978              REGION_GEOM(cwin).h!=geom.h);
 979
 980     if(np==NULL && !changes)
 981         return TRUE;
 982
 983     if(np!=NULL){
 984         region_unset_parent((WRegion*)cwin);
 985
 986         /**
 987          * update netwm properties before mapping, because some apps check the
 988          * netwm state directly when mapped.
 989          *
 990          * also, update netwm properties after setting the parent, because
 991          * the new state of _NET_WM_STATE_FULLSCREEN is determined based on
 992          * the parent of the cwin.
 993          */
 994         region_set_parent((WRegion*)cwin, np);
 995         netwm_update_state(cwin);
 996
 997         do_reparent_clientwin(cwin, np->win, geom.x, geom.y);
 998         sendconfig_clientwin(cwin);
 999
1000         if(!REGION_IS_FULLSCREEN(cwin))
1001             cwin->flags&=~CLIENTWIN_FS_RQ;
1002     }
1003
1004     if (postpone_resize(cwin))
1005         return TRUE;
1006
1007     REGION_GEOM(cwin)=geom;
1008
1009     w=maxof(1, geom.w);
1010     h=maxof(1, geom.h);
1011
1012     if(cwin->flags&CLIENTWIN_PROP_ACROBATIC && !REGION_IS_MAPPED(cwin)){
1013         XMoveResizeWindow(ioncore_g.dpy, cwin->win,
1014                           -2*REGION_GEOM(cwin).w, -2*REGION_GEOM(cwin).h,
1015                           w, h);
1016     }else{
1017         XMoveResizeWindow(ioncore_g.dpy, cwin->win, geom.x, geom.y, w, h);
1018     }
1019
1020     cwin->flags&=~CLIENTWIN_NEED_CFGNTFY;
1021
1022     return TRUE;
1023 }
1024
1025
1026 static void clientwin_map(WClientWin *cwin)
1027 {
1028     show_clientwin(cwin);
1029     REGION_MARK_MAPPED(cwin);
1030 }
1031
1032
1033 static void clientwin_unmap(WClientWin *cwin)
1034 {
1035     hide_clientwin(cwin);
1036     REGION_MARK_UNMAPPED(cwin);
1037 }
1038
1039
1040 static void clientwin_do_set_focus(WClientWin *cwin, bool warp)
1041 {
1042     if(cwin->flags&CLIENTWIN_P_WM_TAKE_FOCUS){
1043         Time stmp=ioncore_get_timestamp();
1044         region_finalise_focusing((WRegion*)cwin, cwin->win, warp, stmp);
1045         send_clientmsg(cwin->win, ioncore_g.atom_wm_take_focus, stmp);
1046     }else{
1047         region_finalise_focusing((WRegion*)cwin, cwin->win, warp, CurrentTime);
1048     }
1049
1050     XSync(ioncore_g.dpy, 0);
1051 }
1052
1053
1054 void clientwin_restack(WClientWin *cwin, Window other, int mode)
1055 {
1056     xwindow_restack(cwin->win, other, mode);
1057 }
1058
1059
1060 void clientwin_stacking(WClientWin *cwin, Window *bottomret, Window *topret)
1061 {
1062     *bottomret=cwin->win;
1063     *topret=cwin->win;
1064 }
1065
1066
1067 static Window clientwin_x_window(WClientWin *cwin)
1068 {
1069     return cwin->win;
1070 }
1071
1072
1073 static void clientwin_activated(WClientWin *cwin)
1074 {
1075     clientwin_install_colormap(cwin);
1076 }
1077
1078
1079 static void clientwin_size_hints(WClientWin *cwin, WSizeHints *hints_ret)
1080 {
1081     if(cwin->flags&CLIENTWIN_FS_RQ){
1082         /* Do not use size hints, when full screen mode has been
1083          * requested by the client window itself.
1084          */
1085         sizehints_clear(hints_ret);
1086     }else{
1087         xsizehints_to_sizehints(&cwin->size_hints, hints_ret);
1088     }
1089 }
1090
1091
1092 static int clientwin_orientation(WClientWin *cwin)
1093 {
1094     return (cwin->flags&CLIENTWIN_PROP_O_VERT
1095             ? REGION_ORIENTATION_VERTICAL
1096             : (cwin->flags&CLIENTWIN_PROP_O_HORIZ
1097                ? REGION_ORIENTATION_HORIZONTAL
1098                : REGION_ORIENTATION_NONE));
1099 }
1100
1101
1102 /*}}}*/
1103
1104
1105 /*{{{ Identity & lookup */
1106
1107
1108 /*EXTL_DOC
1109  * Returns a table containing the properties \code{WM_CLASS} (table entries
1110  * \var{instance} and \var{class}) and  \code{WM_WINDOW_ROLE} (\var{role})
1111  * properties for \var{cwin}. If a property is not set, the corresponding
1112  * field(s) are unset in the  table.
1113  */
1114 EXTL_SAFE
1115 EXTL_EXPORT_MEMBER
1116 ExtlTab clientwin_get_ident(WClientWin *cwin)
1117 {
1118     char **p=NULL, **p2=NULL, *wrole=NULL;
1119     int n=0, n2=0, n3=0, tmp=0;
1120     Window tforwin=None;
1121     ExtlTab tab;
1122     bool dockapp_hack=FALSE;
1123
1124     p=xwindow_get_text_property(cwin->win, XA_WM_CLASS, &n);
1125
1126     p2=xwindow_get_text_property(cwin->win, ioncore_g.atom_dockapp_hack, &n2);
1127
1128     dockapp_hack=(n2>0);
1129
1130     if(p==NULL){
1131         /* Some dockapps do actually have WM_CLASS, so use it. */
1132         p=p2;
1133         n=n2;
1134         p2=NULL;
1135     }
1136
1137     wrole=xwindow_get_string_property(cwin->win, ioncore_g.atom_wm_window_role,
1138                                       &n3);
1139
1140     tab=extl_create_table();
1141     if(n>=2 && p[1]!=NULL)
1142         extl_table_sets_s(tab, "class", p[1]);
1143     if(n>=1 && p[0]!=NULL)
1144         extl_table_sets_s(tab, "instance", p[0]);
1145     if(wrole!=NULL)
1146         extl_table_sets_s(tab, "role", wrole);
1147
1148     if(XGetTransientForHint(ioncore_g.dpy, cwin->win, &tforwin)
1149        && tforwin!=None){
1150         extl_table_sets_b(tab, "is_transient", TRUE);
1151     }
1152
1153     if(dockapp_hack)
1154         extl_table_sets_b(tab, "is_dockapp", TRUE);
1155
1156     if(p!=NULL)
1157         XFreeStringList(p);
1158     if(p2!=NULL)
1159         XFreeStringList(p2);
1160     if(wrole!=NULL)
1161         free(wrole);
1162
1163     return tab;
1164 }
1165
1166
1167 /*}}}*/
1168
1169
1170 /*{{{ ConfigureRequest */
1171
1172
1173 static bool check_fs_cfgrq(WClientWin *cwin, XConfigureRequestEvent *ev)
1174 {
1175     /* check full screen request */
1176     if((ev->value_mask&(CWWidth|CWHeight))==(CWWidth|CWHeight)){
1177         WRegion *grp=region_groupleader_of((WRegion*)cwin);
1178         WScreen *scr=clientwin_fullscreen_chkrq(cwin, ev->width, ev->height);
1179
1180         if(scr!=NULL && REGION_MANAGER(grp)!=(WRegion*)scr){
1181             bool sw=clientwin_fullscreen_may_switchto(cwin);
1182
1183             cwin->flags|=CLIENTWIN_FS_RQ;
1184
1185             if(!region_fullscreen_scr(grp, scr, sw))
1186                 cwin->flags&=~CLIENTWIN_FS_RQ;
1187
1188             return TRUE;
1189         }
1190     }
1191
1192     return FALSE;
1193 }
1194
1195 WMPlex* find_mplexer(WRegion *cwin)
1196 {
1197     if (cwin == NULL)
1198         return NULL;
1199     if(obj_is((Obj*)cwin, &CLASSDESCR(WMPlex)))
1200         return (WMPlex*) cwin;
1201     return find_mplexer(cwin->manager);
1202 }
1203
1204 /* Returns whether anything was actually changed. */
1205 static bool check_normal_cfgrq(WClientWin *cwin, XConfigureRequestEvent *ev)
1206 {
1207     bool result = FALSE;
1208
1209     if(ev->value_mask&(CWX|CWY|CWWidth|CWHeight)){
1210         WRQGeomParams rq=RQGEOMPARAMS_INIT;
1211         int gdx=0, gdy=0;
1212
1213         rq.flags=REGION_RQGEOM_WEAK_ALL|REGION_RQGEOM_ABSOLUTE;
1214
1215         if(cwin->size_hints.flags&PWinGravity){
1216             rq.flags|=REGION_RQGEOM_GRAVITY;
1217             rq.gravity=cwin->size_hints.win_gravity;
1218         }
1219
1220         /* Do I need to insert another disparaging comment on the person who
1221          * invented special server-supported window borders that are not
1222          * accounted for in the window size? Keep it simple, stupid!
1223          */
1224         if(cwin->size_hints.flags&PWinGravity){
1225             gdx=xgravity_deltax(cwin->size_hints.win_gravity,
1226                                -cwin->orig_bw, -cwin->orig_bw);
1227             gdy=xgravity_deltay(cwin->size_hints.win_gravity,
1228                                -cwin->orig_bw, -cwin->orig_bw);
1229         }
1230
1231         region_rootpos((WRegion*)cwin, &(rq.geom.x), &(rq.geom.y));
1232         rq.geom.w=REGION_GEOM(cwin).w;
1233         rq.geom.h=REGION_GEOM(cwin).h;
1234
1235         if(ev->value_mask&CWWidth){
1236             /* If x was not changed, keep reference point where it was */
1237             if(cwin->size_hints.flags&PWinGravity){
1238                 rq.geom.x+=xgravity_deltax(cwin->size_hints.win_gravity, 0,
1239                                            ev->width-rq.geom.w);
1240             }
1241             rq.geom.w=maxof(ev->width, 1);
1242             rq.flags&=~REGION_RQGEOM_WEAK_W;
1243         }
1244         if(ev->value_mask&CWHeight){
1245             /* If y was not changed, keep reference point where it was */
1246             if(cwin->size_hints.flags&PWinGravity){
1247                 rq.geom.y+=xgravity_deltay(cwin->size_hints.win_gravity, 0,
1248                                            ev->height-rq.geom.h);
1249             }
1250             rq.geom.h=maxof(ev->height, 1);
1251             rq.flags&=~REGION_RQGEOM_WEAK_H;
1252         }
1253         if(ev->value_mask&CWX){
1254             rq.geom.x=ev->x+gdx;
1255             rq.flags&=~REGION_RQGEOM_WEAK_X;
1256             rq.flags&=~REGION_RQGEOM_WEAK_W;
1257         }
1258         if(ev->value_mask&CWY){
1259             rq.geom.y=ev->y+gdy;
1260             rq.flags&=~REGION_RQGEOM_WEAK_Y;
1261             rq.flags&=~REGION_RQGEOM_WEAK_H;
1262         }
1263
1264         region_rqgeom((WRegion*)cwin, &rq, NULL);
1265
1266         result = TRUE;
1267     }
1268
1269     if(ev->value_mask&CWStackMode){
1270         switch(ev->detail){
1271         case Above:
1272             region_set_activity((WRegion*) cwin, SETPARAM_SET);
1273             /* TODO we should be more conservative here - but what does/should
1274              * region_set_activity return? */
1275             result = TRUE;
1276             break;
1277         case Below:
1278         case TopIf:
1279         case BottomIf:
1280         case Opposite:
1281             /* unimplemented */
1282             break;
1283         }
1284     }
1285
1286     return result;
1287 }
1288
1289
1290 void clientwin_handle_configure_request(WClientWin *cwin,
1291                                         XConfigureRequestEvent *ev)
1292 {
1293     if(ev->value_mask&CWBorderWidth)
1294         cwin->orig_bw=ev->border_width;
1295
1296     cwin->flags|=CLIENTWIN_NEED_CFGNTFY;
1297
1298     if(!(cwin->flags&CLIENTWIN_PROP_IGNORE_CFGRQ)){
1299         if(!check_fs_cfgrq(cwin, ev))
1300             check_normal_cfgrq(cwin, ev);
1301     }
1302
1303     if(cwin->flags&CLIENTWIN_NEED_CFGNTFY){
1304         sendconfig_clientwin(cwin);
1305         cwin->flags&=~CLIENTWIN_NEED_CFGNTFY;
1306     }
1307 }
1308
1309
1310 /*}}}*/
1311
1312
1313 /*{{{ Kludges */
1314
1315
1316 /*EXTL_DOC
1317  * Attempts to fix window size problems with non-ICCCM compliant
1318  * programs.
1319  */
1320 EXTL_EXPORT_MEMBER
1321 void clientwin_nudge(WClientWin *cwin)
1322 {
1323     XResizeWindow(ioncore_g.dpy, cwin->win,
1324                   2*REGION_GEOM(cwin).w, 2*REGION_GEOM(cwin).h);
1325     XFlush(ioncore_g.dpy);
1326     XResizeWindow(ioncore_g.dpy, cwin->win,
1327                   REGION_GEOM(cwin).w, REGION_GEOM(cwin).h);
1328 }
1329
1330
1331 /*}}}*/
1332
1333
1334 /*{{{ Misc. */
1335
1336
1337 /*EXTL_DOC
1338  * Return the X window id for the client window.
1339  */
1340 EXTL_SAFE
1341 EXTL_EXPORT_MEMBER
1342 double clientwin_xid(WClientWin *cwin)
1343 {
1344     return cwin->win;
1345 }
1346
1347
1348 /*}}}*/
1349
1350
1351 /*{{{ Save/load */
1352
1353
1354 static int last_checkcode=1;
1355
1356
1357 static ExtlTab clientwin_get_configuration(WClientWin *cwin)
1358 {
1359     int chkc=0;
1360     ExtlTab tab;
1361     SMCfgCallback *cfg_cb;
1362     SMAddCallback *add_cb;
1363
1364     tab=region_get_base_configuration((WRegion*)cwin);
1365
1366     extl_table_sets_d(tab, "windowid", (double)(cwin->win));
1367
1368     if(last_checkcode!=0){
1369         chkc=last_checkcode++;
1370         xwindow_set_integer_property(cwin->win, ioncore_g.atom_checkcode,
1371                                      chkc);
1372         extl_table_sets_i(tab, "checkcode", chkc);
1373     }
1374
1375     ioncore_get_sm_callbacks(&add_cb, &cfg_cb);
1376
1377     if(cfg_cb!=NULL)
1378         cfg_cb(cwin, tab);
1379
1380     return tab;
1381 }
1382
1383
1384 static void do_sm(ExtlTab tab)
1385 {
1386     SMAddCallback *add_cb;
1387     SMCfgCallback *cfg_cb;
1388     WPHolder *ph;
1389
1390     ioncore_get_sm_callbacks(&add_cb, &cfg_cb);
1391
1392     if(add_cb!=NULL){
1393         ph=ioncore_get_load_pholder();
1394
1395         if(ph!=NULL){
1396             if(!add_cb(ph, tab))
1397                 destroy_obj((Obj*)ph);
1398         }
1399     }
1400 }
1401
1402
1403 WRegion *clientwin_load(WWindow *par, const WFitParams *fp, ExtlTab tab)
1404 {
1405     double wind=0;
1406     Window win=None;
1407     int chkc=0, real_chkc=0;
1408     WClientWin *cwin=NULL;
1409     XWindowAttributes attr;
1410     WRectangle rg;
1411     bool got_chkc=FALSE;
1412
1413     if(!extl_table_gets_d(tab, "windowid", &wind) ||
1414        !extl_table_gets_i(tab, "checkcode", &chkc)){
1415         return NULL;
1416     }
1417
1418     win=(Window)wind;
1419
1420     if(XWINDOW_REGION_OF(win)!=NULL){
1421         warn("Client window %x already managed.", win);
1422         return NULL;
1423     }
1424
1425     got_chkc=xwindow_get_integer_property(win, ioncore_g.atom_checkcode,
1426                                           &real_chkc);
1427
1428     if(!got_chkc || real_chkc!=chkc){
1429         do_sm(tab);
1430         return NULL;
1431     }
1432
1433     /* Found it! */
1434
1435     if(!XGetWindowAttributes(ioncore_g.dpy, win, &attr)){
1436         warn(TR("Window %#x disappeared."), win);
1437         return NULL;
1438     }
1439
1440     if(attr.root!=region_root_of((WRegion*)par))
1441         return NULL;
1442
1443     if(attr.override_redirect ||
1444        (ioncore_g.opmode==IONCORE_OPMODE_INIT && attr.map_state!=IsViewable)){
1445         warn(TR("Saved client window does not want to be managed."));
1446         return NULL;
1447     }
1448
1449     cwin=create_clientwin(par, win, &attr);
1450
1451     if(cwin==NULL)
1452         return FALSE;
1453
1454     /* Reparent and resize taking limits set by size hints into account */
1455     convert_geom(fp, cwin, &rg);
1456     REGION_GEOM(cwin)=rg;
1457     do_reparent_clientwin(cwin, par->win, rg.x, rg.y);
1458     XResizeWindow(ioncore_g.dpy, win, maxof(1, rg.w), maxof(1, rg.h));
1459
1460     if(!postmanage_check(cwin, &attr)){
1461         clientwin_destroyed(cwin);
1462         return NULL;
1463     }
1464
1465     return (WRegion*)cwin;
1466 }
1467
1468
1469 /*}}}*/
1470
1471
1472 /*{{{ Dynfuntab and class info */
1473
1474
1475 static DynFunTab clientwin_dynfuntab[]={
1476     {(DynFun*)region_fitrep,
1477      (DynFun*)clientwin_fitrep},
1478
1479     {region_map,
1480      clientwin_map},
1481
1482     {region_unmap,
1483      clientwin_unmap},
1484
1485     {region_do_set_focus,
1486      clientwin_do_set_focus},
1487
1488     {region_notify_rootpos,
1489      clientwin_notify_rootpos},
1490
1491     {region_restack,
1492      clientwin_restack},
1493
1494     {region_stacking,
1495      clientwin_stacking},
1496
1497     {(DynFun*)region_xwindow,
1498      (DynFun*)clientwin_x_window},
1499
1500     {region_activated,
1501      clientwin_activated},
1502
1503     {region_size_hints,
1504      clientwin_size_hints},
1505
1506     {(DynFun*)region_orientation,
1507      (DynFun*)clientwin_orientation},
1508
1509     {(DynFun*)region_rqclose,
1510      (DynFun*)clientwin_rqclose},
1511
1512     {(DynFun*)region_get_configuration,
1513      (DynFun*)clientwin_get_configuration},
1514
1515     END_DYNFUNTAB
1516 };
1517
1518
1519 EXTL_EXPORT
1520 IMPLCLASS(WClientWin, WRegion, clientwin_deinit, clientwin_dynfuntab);
1521
1522
1523 /*}}}*/