/* -*-mode: C; fill-column: 77; c-basic-offset: 4; -*- */
/* 
 * Copyright 2002 by Eric House (fixin@peak.org).  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include "ceblank.h"
#include "cemain.h"
#include "ceutil.h"

static void
loadLettersList( HWND hDlg, BlankDialogState* bState )
{
    DictionaryCtxt* dict = bState->dict;
    Tile tile;
    XP_U16 nFaces = dict_numTileFaces( dict );
    XP_S8 blank = dict_hasBlankTile(dict)? dict_getBlankTile( dict ):-1;
    
    for ( tile = 0; tile < nFaces; ++tile ) {	

        if ( tile != blank ) {
            char letter[4];
            wchar_t widebuf[4];
            XP_U16 len;

            dict_tilesToString( dict, &tile, 1, letter );
            len = MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, 
                                       letter, strlen(letter),
                                       widebuf, 
                                       sizeof(widebuf)/sizeof(widebuf[0]) );
            widebuf[len] = 0;

            SendDlgItemMessage( hDlg, BLANKFACE_LIST, LB_ADDSTRING, 
                                0, (long)widebuf );
        }
    }

    ce_selectAndShow( hDlg, BLANKFACE_LIST, 0 );
} /* loadLettersList */

static void
readChosenLetter( HWND hDlg, BlankDialogState* bState )
{
    wchar_t buf[5];
    XP_U16 sel, len;

    sel = (XP_U16)SendDlgItemMessage( hDlg, BLANKFACE_LIST, LB_GETCURSEL, 
                                      0, 0 );
    len = (XP_U16)SendDlgItemMessage( hDlg, BLANKFACE_LIST, LB_GETTEXT, 
                                      sel, (long)buf );
    if ( len > 0 ) {
        char cbuf[5];
        len = WideCharToMultiByte( CP_ACP, 0,			/* flags */
                                   buf, sizeof(buf)/sizeof(buf[0]),
                                   cbuf, sizeof(cbuf), NULL, NULL );
        if ( len > 0 ) {
            cbuf[len] = '\0';
            XP_MEMCPY( bState->buf, cbuf, len );
        }
    }
} /* readChosenLetter */

LRESULT CALLBACK
BlankDlg(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    BlankDialogState* bState;
    CEAppGlobals* globals;
    XP_U16 id;

    if ( message == WM_INITDIALOG ) {
        SetWindowLong( hDlg, GWL_USERDATA, lParam );
        bState = (BlankDialogState*)lParam;
        globals = bState->globals;

        positionDlg( hDlg );

        loadLettersList( hDlg, bState );
    } else {
        bState = (BlankDialogState*)GetWindowLong( hDlg, GWL_USERDATA );
        globals = bState->globals;

        switch (message) {
        case WM_COMMAND:
            id = LOWORD(wParam);
            switch( id ) {
            case IDOK:
                readChosenLetter( hDlg, bState );

                EndDialog( hDlg, id );
                return TRUE;
            }
        }

    }

    return FALSE;
} /* BlankDlg */