workbench/prefs/locale/page_language.c

   1 /*
   2    Copyright © 2003-2011, The AROS Development Team. All rights reserved.
   3    $Id$
   4  */
   5
   6 #include <aros/debug.h>
   7
   8 #include <proto/alib.h>
   9 #include <proto/codesets.h>
  10 #include <proto/intuition.h>
  11 #include <proto/utility.h>
  12 #include <proto/muimaster.h>
  13
  14 #include <zune/customclasses.h>
  15 #include <zune/prefseditor.h>
  16
  17 #include "locale.h"
  18 #include "prefs.h"
  19 #include "misc.h"
  20 #include "registertab.h"
  21 #include "page_language.h"
  22
  23 /*** Instance Data **********************************************************/
  24
  25 struct Language_DATA
  26 {
  27     int nr_languages;
  28     int nr_preferred;
  29
  30     Object *child;
  31     Object *available;
  32     Object *preferred;
  33     Object *charset;
  34     Object *cslist;
  35     Object *cslistview;
  36     Object *popup;
  37     Object *clear;
  38     Object *prefs;
  39
  40     char  **strings_available;
  41     char  **strings_preferred;
  42     STRPTR *strings_charsets;
  43
  44     char  *result[10]; /* result array for Gadget2Prefs */
  45 };
  46
  47 struct MUI_CustomClass     *Language_CLASS;
  48
  49 static struct Hook hook_available;
  50 static struct Hook hook_preferred;
  51 static struct Hook hook_clear;
  52
  53 /*** Helpers *****************************************************************/
  54
  55 STATIC VOID update_language_lists(struct Language_DATA *data)
  56 {
  57     struct LanguageEntry *entry;
  58     int a;
  59     int p;
  60
  61     a=0;
  62     p=0;
  63     ForeachNode(&language_list, entry)
  64     {
  65         if(entry->preferred)
  66         {
  67             data->strings_preferred[p] = entry->lve.node.ln_Name;
  68             p++;
  69         }
  70         else
  71         {
  72             data->strings_available[a] = entry->lve.node.ln_Name;
  73             a++;
  74         }
  75     }
  76     data->strings_available[a] = NULL;
  77     data->strings_preferred[p] = NULL;
  78 }
  79
  80 STATIC VOID init_language_lists(struct Language_DATA *data)
  81 {
  82
  83     struct LanguageEntry *entry;
  84     int i;
  85
  86     data->nr_languages = 0;
  87     ForeachNode(&language_list, entry)
  88     {
  89         D(bug("[LocalePrefs-LanguageClass]   language %s\n",entry->lve.node.ln_Name));
  90         entry->preferred = FALSE;
  91
  92         /* max 10 preferred langs, see prefs/locale.h */
  93         for (i = 0; i < 10 && entry->preferred == FALSE && localeprefs.lp_PreferredLanguages[i][0]; i++)
  94         {
  95             if (Stricmp(localeprefs.lp_PreferredLanguages[i], entry->lve.node.ln_Name) == 0)
  96             {
  97                 D(bug("[LocalePrefs-LanguageClass]            %s is preferred\n",
  98                             entry->lve.node.ln_Name));
  99                 entry->preferred = TRUE;
 100             }
 101         }
 102         data->nr_languages++;
 103     }
 104
 105     D(bug("[LocalePrefs-LanguageClass]: nr of languages: %d\n",data->nr_languages));
 106
 107     data->strings_available = AllocVec(sizeof(char *) * (data->nr_languages+1), MEMF_CLEAR);
 108     data->strings_preferred = AllocVec(sizeof(char *) * (data->nr_languages+1), MEMF_CLEAR);
 109
 110     update_language_lists(data);
 111 }
 112
 113 /*** Hooks ******************************************************************
 114  *
 115  * hook_func_available
 116  *   handles double clicks on the available languages
 117  *
 118  * hook_func_preferred
 119  *   handles double clicks on the preferred languages
 120  *
 121  * hook_func_clear
 122  *   handles clearing of preferred languages
 123  *
 124  ****************************************************************************/
 125
 126 STATIC VOID func_move_to_selected(char* selstr, struct Language_DATA *data)
 127 {
 128     struct LanguageEntry *entry;
 129     unsigned int i = 0;
 130     char *test;
 131
 132     D(bug("[LocalePrefs-LanguageClass] func_move_to_selected(%s,..)\n", selstr));
 133
 134     if(selstr) {
 135         ForeachNode(&language_list, entry)
 136         {
 137             if (stricmp(selstr, entry->lve.node.ln_Name) == 0)
 138             {
 139                 DoMethod(data->preferred,
 140                         MUIM_List_InsertSingle, entry->lve.node.ln_Name,
 141                         MUIV_List_Insert_Bottom);
 142
 143                 entry->preferred = TRUE;
 144             }
 145         }
 146     }
 147
 148     /* we could use
 149      * DoMethod(data->available,MUIM_List_Remove, MUIV_List_Remove_Active);
 150      * of course, but I also want to be able to use that for
 151      * the Set method.
 152      */
 153
 154     GET(data->available,MUIA_List_Entries,&i);
 155     while(i)
 156     {
 157         i--;
 158         DoMethod(data->available, MUIM_List_GetEntry, i, &test);
 159         if (stricmp(selstr, test) == 0)
 160         {
 161             DoMethod(data->available, MUIM_List_Remove, i);
 162             i = 0;
 163         }
 164     }
 165 }
 166
 167 AROS_UFH2
 168 (
 169     void, hook_func_available,
 170     AROS_UFHA(struct Hook *,    hook,   A0),
 171     AROS_UFHA(APTR,             obj,    A2)
 172 )
 173 {
 174     AROS_USERFUNC_INIT
 175
 176         struct Language_DATA *data= hook->h_Data;
 177     char  *selstr;
 178
 179     D(bug("[LocalePrefs-LanguageClass] hook_func_available\n"));
 180
 181     DoMethod(obj,MUIM_List_GetEntry,
 182             MUIV_List_GetEntry_Active, &selstr);
 183
 184     func_move_to_selected(selstr, data);
 185
 186     AROS_USERFUNC_EXIT
 187 }
 188
 189 AROS_UFH2
 190 (
 191     void, hook_func_preferred,
 192     AROS_UFHA(struct Hook *,    hook,   A0),
 193     AROS_UFHA(APTR,             obj,    A2)
 194 )
 195 {
 196     AROS_USERFUNC_INIT
 197
 198     struct Language_DATA *data= hook->h_Data;
 199     char  *selstr;
 200     struct LanguageEntry *entry;
 201
 202     D(bug("[LocalePrefs-LanguageClass] hook_func_preferred\n"));
 203
 204     DoMethod(obj,MUIM_List_GetEntry,
 205             MUIV_List_GetEntry_Active, &selstr);
 206
 207     if(selstr)
 208     {
 209         D(bug("move: %s\n",selstr));
 210
 211         ForeachNode(&language_list, entry)
 212         {
 213             if (strcmp(selstr, entry->lve.node.ln_Name) == 0)
 214             {
 215                 DoMethod(data->available,
 216                         MUIM_List_InsertSingle, entry->lve.node.ln_Name,
 217                         MUIV_List_Insert_Sorted);
 218                 entry->preferred = FALSE;
 219             }
 220         }
 221         DoMethod(obj, MUIM_List_Remove, MUIV_List_Remove_Active);
 222     }
 223
 224     AROS_USERFUNC_EXIT
 225 }
 226
 227 STATIC VOID func_clear(struct Language_DATA *data)
 228 {
 229     struct LanguageEntry *entry;
 230
 231     D(bug("[LocalePrefs-LanguageClass] func_clear\n"));
 232
 233     /* clear it */
 234     DoMethod(data->preferred, MUIM_List_Clear);
 235
 236     /* add all old preferred languages again */
 237     DoMethod(data->available, MUIM_Group_InitChange);
 238     ForeachNode(&language_list, entry)
 239     {
 240         if(entry->preferred)
 241         {
 242             entry->preferred = FALSE;
 243             DoMethod(data->available,
 244                     MUIM_List_InsertSingle, entry->lve.node.ln_Name,
 245                     MUIV_List_Insert_Bottom);
 246         }
 247     }
 248     DoMethod(data->available, MUIM_List_Sort);
 249     DoMethod(data->available, MUIM_Group_ExitChange);
 250
 251 }
 252
 253 AROS_UFH2(
 254         void, hook_func_clear,
 255         AROS_UFHA(struct Hook *,    hook,   A0),
 256         AROS_UFHA(APTR *,           obj,    A2)
 257         )
 258 {
 259     AROS_USERFUNC_INIT
 260
 261     struct Language_DATA *data = hook->h_Data;
 262
 263     func_clear(data);
 264     SET(data->prefs, MUIA_PrefsEditor_Changed, TRUE);
 265
 266     AROS_USERFUNC_EXIT
 267 }
 268
 269 AROS_UFH3
 270 (
 271     void, charset_popup_to_string,
 272     AROS_UFHA(struct Hook*, hook, A0),
 273     AROS_UFHA(Object *, list, A2),
 274     AROS_UFHA(Object *, string, A1)
 275 )
 276 {
 277     AROS_USERFUNC_INIT
 278
 279     STRPTR listentry;
 280     STRPTR oldentry;
 281
 282     GetAttr(MUIA_Text_Contents, string, (IPTR *)&oldentry);
 283     DoMethod(list, MUIM_List_GetEntry, MUIV_List_GetEntry_Active, (IPTR)&listentry);
 284     if (strcmp(listentry, oldentry))
 285     {
 286         SetAttrs(string, MUIA_Text_Contents, listentry, TAG_DONE);
 287         SetAttrs(hook->h_Data, MUIA_PrefsEditor_Changed, TRUE, TAG_DONE);
 288     }
 289
 290     AROS_USERFUNC_EXIT
 291 }
 292
 293 AROS_UFH3
 294 (
 295     ULONG, charset_string_to_popup,
 296     AROS_UFHA(struct Hook*, hook, A0),
 297     AROS_UFHA(Object *, list, A2),
 298     AROS_UFHA(Object *, str, A1)
 299 )
 300 {
 301     AROS_USERFUNC_INIT
 302
 303     STRPTR strtext, listentry;
 304     LONG index;
 305
 306     GetAttr(MUIA_Text_Contents, str, (IPTR *)&strtext);
 307
 308     for(index = 0; ; index++)
 309     {
 310         DoMethod(list, MUIM_List_GetEntry, index, (IPTR)&listentry);
 311
 312         if (!listentry)
 313         {
 314             SET(list, MUIA_List_Active, MUIV_List_Active_Off);
 315             break;
 316         }
 317
 318         if (stricmp(strtext, listentry) == 0)
 319         {
 320             SET(list, MUIA_List_Active, index);
 321             break;
 322         }
 323     }
 324
 325     return TRUE;
 326
 327     AROS_USERFUNC_EXIT
 328 }
 329
 330 static struct Hook charset_popup_to_string_hook =
 331 {
 332     {NULL, NULL},
 333     (HOOKFUNC)AROS_ASMSYMNAME(charset_popup_to_string),
 334     NULL,
 335     NULL
 336 };
 337
 338 static struct Hook charset_string_to_popup_hook =
 339 {
 340     {NULL, NULL},
 341     (HOOKFUNC)AROS_ASMSYMNAME(charset_string_to_popup),
 342     NULL,
 343     NULL
 344 };
 345
 346 /*** Methods ****************************************************************
 347  *
 348  */
 349
 350 static void free_strings(struct Language_DATA *data)
 351 {
 352     if (data->strings_charsets)
 353     {
 354         CodesetsFreeA(data->strings_charsets, NULL);
 355         data->strings_charsets = NULL;
 356     }
 357     if(data->strings_available)
 358     {
 359         FreeVec(data->strings_available);
 360         data->strings_available = NULL;
 361     }
 362
 363     if(data->strings_preferred)
 364     {
 365         FreeVec(data->strings_preferred);
 366         data->strings_preferred = NULL;
 367     }
 368
 369 }
 370
 371 static Object *handle_New_error(Object *obj, struct IClass *cl, char *error)
 372 {
 373     struct Language_DATA *data;
 374
 375     ShowMessage(error);
 376     D(bug("[LocalePrefs-LanguageClass] %s\n"));
 377
 378     if(!obj)
 379         return NULL;
 380
 381     data = INST_DATA(cl, obj);
 382
 383     if(data->clear)
 384     {
 385         DisposeObject(data->clear);
 386         data->clear=NULL;
 387     }
 388
 389     if(data->available)
 390     {
 391         DisposeObject(data->available);
 392         data->available=NULL;
 393     }
 394
 395     if(data->preferred)
 396     {
 397         DisposeObject(data->preferred);
 398         data->preferred = NULL;
 399     }
 400
 401     if(data->child)
 402     {
 403         DisposeObject(data->child);
 404         data->child = NULL;
 405     }
 406
 407     if (data->charset) {
 408         DisposeObject(data->charset);
 409         data->charset = NULL;
 410     }
 411
 412     if (data->cslist) {
 413         DisposeObject(data->cslist);
 414         data->cslist = NULL;
 415     }
 416
 417     if (data->cslistview) {
 418         DisposeObject(data->cslistview);
 419         data->cslist = NULL;
 420     }
 421
 422     if (data->popup) {
 423         DisposeObject(data->popup);
 424         data->popup = NULL;
 425     }
 426
 427     free_strings(data);
 428
 429     CoerceMethod(cl, obj, OM_DISPOSE);
 430     return NULL;
 431 }
 432
 433 Object *Language__OM_NEW(struct IClass *cl, Object *obj, struct opSet *msg)
 434 {
 435     struct Language_DATA *data;
 436     struct TagItem *tstate, *tag;
 437
 438     D(bug("[LocalePrefs-LanguageClass] Language Class New\n"));
 439
 440     /*
 441      * we create self first and then create the child,
 442      * so we have self->data available already
 443      */
 444
 445     obj = (Object *) DoSuperNewTags
 446     (
 447         cl, obj, NULL,
 448         TAG_DONE
 449     );
 450
 451     if (obj == NULL)
 452     {
 453         return handle_New_error(obj, cl, "ERROR: Unable to create object!\n");
 454     }
 455
 456     data = INST_DATA(cl, obj);
 457
 458     tstate=((struct opSet *)msg)->ops_AttrList;
 459     while ((tag = (struct TagItem *) NextTagItem((APTR) &tstate)))
 460     {
 461         switch (tag->ti_Tag)
 462         {
 463             case MUIA_UserData:
 464                 data->prefs = (Object *) tag->ti_Data;
 465                 break;
 466         }
 467     }
 468
 469     if(!data->prefs)
 470         return handle_New_error(obj, cl, "ERROR: MA_PrefsObject not supplied!\n");
 471
 472     init_language_lists(data);
 473     data->strings_charsets = CodesetsSupportedA(NULL);
 474
 475     data->clear = MUI_MakeObject(MUIO_Button, __(MSG_GAD_CLEAR_LANGUAGES));
 476
 477     data->available = ListviewObject, MUIA_Listview_List,
 478         ListObject,
 479             InputListFrame,
 480             MUIA_List_SourceArray, data->strings_available,
 481         End,
 482     End;
 483
 484     data->preferred = ListviewObject, MUIA_Listview_List,
 485         ListObject,
 486             InputListFrame,
 487             MUIA_List_SourceArray, data->strings_preferred,
 488         End,
 489     End;
 490
 491     data->charset = TextObject,
 492         TextFrame,
 493         MUIA_Background, MUII_TextBack,
 494     End;
 495
 496     data->cslist = ListObject,
 497         MUIA_Frame, MUIV_Frame_InputList,
 498         MUIA_Background, MUII_ListBack,
 499         MUIA_List_AutoVisible, TRUE,
 500         MUIA_List_SourceArray, data->strings_charsets,
 501     End;
 502
 503     data->cslistview = ListviewObject,
 504         MUIA_Listview_List, data->cslist,
 505     End;
 506
 507     charset_popup_to_string_hook.h_Data = data->prefs;
 508
 509     data->popup = PopobjectObject,
 510         MUIA_Popobject_Object, data->cslistview,
 511         MUIA_Popobject_StrObjHook, &charset_string_to_popup_hook,
 512         MUIA_Popobject_ObjStrHook, &charset_popup_to_string_hook,
 513         MUIA_Popstring_Button, PopButton(MUII_PopUp),
 514         MUIA_Popstring_String, data->charset,
 515     End;
 516
 517     if(!data->clear || !data->available || !data->preferred || !data->charset || !data->cslist ||
 518             !data->cslistview || !data->popup)
 519         return handle_New_error(obj,cl,"ERROR: MakeObject failed\n");
 520
 521     DoMethod(data->cslist, MUIM_List_Sort);
 522     DoMethod(data->cslist, MUIM_List_InsertSingle, _(MSG_NOT_SPECIFIED), MUIV_List_Insert_Top);
 523
 524     data->child = VGroup,
 525         Child, HGroup,
 526             Child, VGroup, /* Available Languages */
 527                 Child, CLabel1(_(MSG_GAD_AVAIL_LANGUAGES)),
 528                 Child, data->available,
 529             End,
 530             Child, VGroup, /* Preferred Languages */
 531                 Child, CLabel1(_(MSG_GAD_PREF_LANGUAGES)),
 532                 Child, data->preferred,
 533             End,
 534         End,
 535         Child, data->clear,
 536         Child, HGroup,
 537             Child, CLabel1(_(MSG_CHARACTER_SET)),
 538             Child, data->popup,
 539         End,
 540     End;
 541
 542     if(!data->child)
 543         return handle_New_error(obj, cl, "ERROR: create child failed\n");
 544
 545     /* add to self */
 546     DoMethod(obj, OM_ADDMEMBER, data->child);
 547
 548     /* setup hooks */
 549     DoMethod(data->cslistview, MUIM_Notify, MUIA_Listview_DoubleClick, TRUE, data->popup, 2, MUIM_Popstring_Close, TRUE);
 550
 551     /* move hooks */
 552     hook_available.h_Entry    = (HOOKFUNC) hook_func_available;
 553     hook_available.h_Data     = data ;
 554     DoMethod
 555     (
 556         data->available, MUIM_Notify, MUIA_Listview_DoubleClick, MUIV_EveryTime, data->available,
 557         2, MUIM_CallHook, (IPTR) &hook_available
 558     );
 559
 560     hook_preferred.h_Entry    = (HOOKFUNC) hook_func_preferred;
 561     hook_preferred.h_Data     = data ;
 562     DoMethod
 563     (
 564         data->preferred, MUIM_Notify, MUIA_Listview_DoubleClick, MUIV_EveryTime, data->preferred,
 565         2, MUIM_CallHook, (IPTR) &hook_preferred
 566     );
 567
 568     /* clear hook */
 569     hook_clear.h_Entry    = (HOOKFUNC) hook_func_clear;
 570     hook_clear.h_Data     = data ;
 571     DoMethod
 572     (
 573         data->clear, MUIM_Notify, MUIA_Selected, MUIV_EveryTime, data->preferred,
 574         2, MUIM_CallHook, (IPTR) &hook_clear
 575     );
 576
 577     /* changed hooks */
 578     DoMethod
 579     (
 580         data->preferred, MUIM_Notify, MUIA_Listview_DoubleClick, MUIV_EveryTime, (IPTR) data->prefs,
 581         3, MUIM_Set, MUIA_PrefsEditor_Changed, TRUE
 582     );
 583     DoMethod
 584     (
 585         data->available, MUIM_Notify, MUIA_Listview_DoubleClick, MUIV_EveryTime, (IPTR) data->prefs,
 586         3, MUIM_Set, MUIA_PrefsEditor_Changed, TRUE
 587     );
 588
 589     return obj;
 590 }
 591
 592 /*** Get ******************************************************************/
 593
 594 static IPTR Language__OM_GET(struct IClass *cl, Object *obj, struct opGet *msg)
 595 {
 596     struct Language_DATA *data = INST_DATA(cl, obj);
 597     IPTR rc;
 598     IPTR i;
 599
 600     switch (msg->opg_AttrID)
 601     {
 602         case MUIA_Language_Preferred: /* return array of preferred language strings */
 603             for (i = 0; i < 10; i++)
 604             {
 605                 DoMethod(data->preferred, MUIM_List_GetEntry, i, &data->result[i]);
 606             }
 607             rc = (IPTR) data->result;
 608             break;
 609         case MUIA_Language_Characterset:
 610             GetAttr(MUIA_List_Active, data->cslist, (IPTR *)&i);
 611             D(bug("[LocalePrefs-LanguageClass] Get: Active character set entry is %d\n", i));
 612             if ((i == 0) || (i == MUIV_List_Active_Off))
 613                 *msg->opg_Storage = 0;
 614             else
 615                 GetAttr(MUIA_Text_Contents, data->charset, msg->opg_Storage);
 616             return TRUE;
 617         default:
 618             return DoSuperMethodA(cl, obj, (Msg)msg);
 619     }
 620
 621     *msg->opg_Storage = rc;
 622     return TRUE;
 623 }
 624
 625 /*** Set ******************************************************************/
 626 static IPTR Language__OM_SET(struct IClass *cl, Object *obj, struct opSet *msg)
 627 {
 628     struct Language_DATA *data = INST_DATA(cl, obj);
 629     struct TagItem *tstate, *tag;
 630     ULONG update;
 631     ULONG i;
 632
 633     tstate = msg->ops_AttrList;
 634     update = FALSE;
 635
 636     while ((tag = (struct TagItem *) NextTagItem((APTR) &tstate)))
 637     {
 638         switch (tag->ti_Tag)
 639         {
 640             case MUIA_Language_Preferred:
 641                 /* clear preferred */
 642                 func_clear(data);
 643                 for (i = 0; i < 10; i++)
 644                 {
 645                     if(localeprefs.lp_PreferredLanguages[i][0] != '\0')
 646                     {
 647                         func_move_to_selected(localeprefs.lp_PreferredLanguages[i], data);
 648                     }
 649                 }
 650
 651                 update = TRUE;
 652                 break;
 653             case MUIA_Language_Characterset:
 654                 {
 655                     char *charset = (char *)tag->ti_Data;
 656
 657                     if (!charset || !*charset)
 658                         DoMethod(data->cslist, MUIM_List_GetEntry, 0, (IPTR *)&charset);
 659                     SetAttrs(data->charset, MUIA_Text_Contents, charset, TAG_DONE);
 660                 }
 661                 break;
 662
 663             default:
 664                 return DoSuperMethodA(cl, obj, (Msg)msg);
 665         }
 666     }
 667
 668     if(update)
 669     {
 670         MUI_Redraw(obj, MADF_DRAWOBJECT);
 671     }
 672
 673     return TRUE;
 674 }
 675
 676 static IPTR Language__OM_DISPOSE(struct IClass *cl, Object *obj, Msg msg)
 677 {
 678     struct Language_DATA *data = INST_DATA(cl, obj);
 679
 680     D(bug("[LocalePrefs-LanguageClass] OM_DISPOSE()\n"));
 681
 682     free_strings(data);
 683
 684     return DoSuperMethodA(cl, obj, msg);
 685 }
 686
 687 /*** Setup ******************************************************************/
 688 ZUNE_CUSTOMCLASS_4
 689 (
 690     Language, NULL, MUIC_Group, NULL,
 691     OM_NEW, struct opSet *,
 692     OM_SET, struct opSet *,
 693     OM_GET, struct opGet *,
 694     OM_DISPOSE, Msg
 695 );