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harbour-core/contrib/hbct/kxlat.prg
2013-10-09 20:08:24 +02:00

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/*
* Harbour Project source code:
* [S|G]ETKX[LAT|TAB] CA-T*ols functions (USE IT AT YOUR OWN RISK)
*
* Copyright 2012 Viktor Szakats (vszakats.net/harbour)
* www - http://harbour-project.org
*
* 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, 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 software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "inkey.ch"
#include "hbgtinfo.ch"
#include "hbinkey.ch"
#include "ctscan.ch"
/* Trick to make it work in the STATIC initializer.
It's safe because it's only used with ASCII chars. */
#define hb_keyCode( x ) Asc( x )
STATIC s_hTrs := { => }
STATIC s_hMutex := hb_mutexCreate()
STATIC sc_hCnv := { ;
KS_DISABLE => 0 , ;
KS_A => hb_keyCode( "A" ) , ;
KS_B => hb_keyCode( "B" ) , ;
KS_C => hb_keyCode( "C" ) , ;
KS_D => hb_keyCode( "D" ) , ;
KS_E => hb_keyCode( "E" ) , ;
KS_F => hb_keyCode( "F" ) , ;
KS_G => hb_keyCode( "G" ) , ;
KS_H => hb_keyCode( "H" ) , ;
KS_I => hb_keyCode( "I" ) , ;
KS_J => hb_keyCode( "J" ) , ;
KS_K => hb_keyCode( "K" ) , ;
KS_L => hb_keyCode( "L" ) , ;
KS_M => hb_keyCode( "M" ) , ;
KS_N => hb_keyCode( "N" ) , ;
KS_O => hb_keyCode( "O" ) , ;
KS_P => hb_keyCode( "P" ) , ;
KS_Q => hb_keyCode( "Q" ) , ;
KS_R => hb_keyCode( "R" ) , ;
KS_S => hb_keyCode( "S" ) , ;
KS_T => hb_keyCode( "T" ) , ;
KS_U => hb_keyCode( "U" ) , ;
KS_V => hb_keyCode( "V" ) , ;
KS_W => hb_keyCode( "W" ) , ;
KS_X => hb_keyCode( "X" ) , ;
KS_Y => hb_keyCode( "Y" ) , ;
KS_Z => hb_keyCode( "Z" ) , ;
KS_a => hb_keyCode( "a" ) , ;
KS_b => hb_keyCode( "b" ) , ;
KS_c => hb_keyCode( "c" ) , ;
KS_d => hb_keyCode( "d" ) , ;
KS_e => hb_keyCode( "e" ) , ;
KS_f => hb_keyCode( "f" ) , ;
KS_g => hb_keyCode( "g" ) , ;
KS_h => hb_keyCode( "h" ) , ;
KS_i => hb_keyCode( "i" ) , ;
KS_j => hb_keyCode( "j" ) , ;
KS_k => hb_keyCode( "k" ) , ;
KS_l => hb_keyCode( "l" ) , ;
KS_m => hb_keyCode( "m" ) , ;
KS_n => hb_keyCode( "n" ) , ;
KS_o => hb_keyCode( "o" ) , ;
KS_p => hb_keyCode( "p" ) , ;
KS_q => hb_keyCode( "q" ) , ;
KS_r => hb_keyCode( "r" ) , ;
KS_s => hb_keyCode( "s" ) , ;
KS_t => hb_keyCode( "t" ) , ;
KS_u => hb_keyCode( "u" ) , ;
KS_v => hb_keyCode( "v" ) , ;
KS_w => hb_keyCode( "w" ) , ;
KS_x => hb_keyCode( "x" ) , ;
KS_y => hb_keyCode( "y" ) , ;
KS_z => hb_keyCode( "z" ) , ;
KS_1 => hb_keyCode( "1" ) , ;
KS_2 => hb_keyCode( "2" ) , ;
KS_3 => hb_keyCode( "3" ) , ;
KS_4 => hb_keyCode( "4" ) , ;
KS_5 => hb_keyCode( "5" ) , ;
KS_6 => hb_keyCode( "6" ) , ;
KS_7 => hb_keyCode( "7" ) , ;
KS_8 => hb_keyCode( "8" ) , ;
KS_9 => hb_keyCode( "9" ) , ;
KS_0 => hb_keyCode( "0" ) , ;
KS_DOT => hb_keyCode( "." ) , ;
KS_COMMA => hb_keyCode( "," ) , ;
KS_CTRL_A => K_CTRL_A , ;
KS_CTRL_B => K_CTRL_B , ;
KS_CTRL_C => K_CTRL_C , ;
KS_CTRL_D => K_CTRL_D , ;
KS_CTRL_E => K_CTRL_E , ;
KS_CTRL_F => K_CTRL_F , ;
KS_CTRL_G => K_CTRL_G , ;
KS_CTRL_H => K_CTRL_H , ;
KS_CTRL_I => K_CTRL_I , ;
KS_CTRL_M => K_CTRL_M , ;
KS_CTRL_N => K_CTRL_N , ;
KS_CTRL_R => K_CTRL_R , ;
KS_CTRL_S => K_CTRL_S , ;
KS_CTRL_T => K_CTRL_T , ;
KS_CTRL_U => K_CTRL_U , ;
KS_CTRL_V => K_CTRL_V , ;
KS_CTRL_W => K_CTRL_W , ;
KS_CTRL_X => K_CTRL_X , ;
KS_CTRL_Y => K_CTRL_Y , ;
KS_CTRL_Z => K_CTRL_Z , ;
KS_ALT_A => K_ALT_A , ;
KS_ALT_B => K_ALT_B , ;
KS_ALT_C => K_ALT_C , ;
KS_ALT_D => K_ALT_D , ;
KS_ALT_E => K_ALT_E , ;
KS_ALT_F => K_ALT_F , ;
KS_ALT_G => K_ALT_G , ;
KS_ALT_H => K_ALT_H , ;
KS_ALT_I => K_ALT_I , ;
KS_ALT_J => K_ALT_J , ;
KS_ALT_K => K_ALT_K , ;
KS_ALT_L => K_ALT_L , ;
KS_ALT_M => K_ALT_M , ;
KS_ALT_N => K_ALT_N , ;
KS_ALT_O => K_ALT_O , ;
KS_ALT_P => K_ALT_P , ;
KS_ALT_Q => K_ALT_Q , ;
KS_ALT_R => K_ALT_R , ;
KS_ALT_S => K_ALT_S , ;
KS_ALT_T => K_ALT_T , ;
KS_ALT_U => K_ALT_U , ;
KS_ALT_V => K_ALT_V , ;
KS_ALT_W => K_ALT_W , ;
KS_ALT_X => K_ALT_X , ;
KS_ALT_Y => K_ALT_Y , ;
KS_ALT_Z => K_ALT_Z , ;
KS_ALT_1 => K_ALT_1 , ;
KS_ALT_2 => K_ALT_2 , ;
KS_ALT_3 => K_ALT_3 , ;
KS_ALT_4 => K_ALT_4 , ;
KS_ALT_5 => K_ALT_5 , ;
KS_ALT_6 => K_ALT_6 , ;
KS_ALT_7 => K_ALT_7 , ;
KS_ALT_8 => K_ALT_8 , ;
KS_ALT_9 => K_ALT_9 , ;
KS_ALT_0 => K_ALT_0 , ;
KS_F1 => K_F1 , ;
KS_F2 => K_F2 , ;
KS_F3 => K_F3 , ;
KS_F4 => K_F4 , ;
KS_F5 => K_F5 , ;
KS_F6 => K_F6 , ;
KS_F7 => K_F7 , ;
KS_F8 => K_F8 , ;
KS_F9 => K_F9 , ;
KS_F10 => K_F10 , ;
KS_F11 => K_F11 , ;
KS_F12 => K_F12 , ;
KS_SH_F1 => K_SH_F1 , ;
KS_SH_F2 => K_SH_F2 , ;
KS_SH_F3 => K_SH_F3 , ;
KS_SH_F4 => K_SH_F4 , ;
KS_SH_F5 => K_SH_F5 , ;
KS_SH_F6 => K_SH_F6 , ;
KS_SH_F7 => K_SH_F7 , ;
KS_SH_F8 => K_SH_F8 , ;
KS_SH_F9 => K_SH_F9 , ;
KS_SH_F10 => K_SH_F10 , ;
KS_SH_F11 => K_SH_F11 , ;
KS_SH_F12 => K_SH_F12 , ;
KS_CTRL_F1 => K_CTRL_F1 , ;
KS_CTRL_F2 => K_CTRL_F2 , ;
KS_CTRL_F3 => K_CTRL_F3 , ;
KS_CTRL_F4 => K_CTRL_F4 , ;
KS_CTRL_F5 => K_CTRL_F5 , ;
KS_CTRL_F6 => K_CTRL_F6 , ;
KS_CTRL_F7 => K_CTRL_F7 , ;
KS_CTRL_F8 => K_CTRL_F8 , ;
KS_CTRL_F9 => K_CTRL_F9 , ;
KS_CTRL_F10 => K_CTRL_F10 , ;
KS_CTRL_F11 => K_CTRL_F11 , ;
KS_CTRL_F12 => K_CTRL_F12 , ;
KS_ALT_F1 => K_ALT_F1 , ;
KS_ALT_F2 => K_ALT_F2 , ;
KS_ALT_F3 => K_ALT_F3 , ;
KS_ALT_F4 => K_ALT_F4 , ;
KS_ALT_F5 => K_ALT_F5 , ;
KS_ALT_F6 => K_ALT_F6 , ;
KS_ALT_F7 => K_ALT_F7 , ;
KS_ALT_F8 => K_ALT_F8 , ;
KS_ALT_F9 => K_ALT_F9 , ;
KS_ALT_F10 => K_ALT_F10 , ;
KS_ALT_F11 => K_ALT_F11 , ;
KS_ALT_F12 => K_ALT_F12 , ;
KS_BS => K_BS , ;
KS_ESC => K_ESC , ;
KS_TAB => K_TAB , ;
KS_SH_TAB => K_SH_TAB , ;
KS_ALT_BS => K_ALT_BS , ;
KS_ALT_ESC => K_ALT_ESC , ;
KS_ALT_TAB => K_ALT_TAB , ;
KS_ENTER => K_ENTER , ;
KS_CTRL_ENTER => K_CTRL_ENTER , ;
KS_ALT_ENTER => K_ALT_ENTER , ;
KS_PAD_ENTER => HB_KP_ENTER , ;
KS_PAD_CTRL_ENTER => HB_KP_CTRL_ENTER , ;
KS_PAD_ALT_ENTER => KP_ALT_ENTER , ;
KS_INS => K_INS , ;
KS_DEL => K_DEL , ;
KS_HOME => K_HOME , ;
KS_END => K_END , ;
KS_PGUP => K_PGUP , ;
KS_PGDN => K_PGDN , ;
KS_UP => K_UP , ;
KS_LEFT => K_LEFT , ;
KS_DOWN => K_DOWN , ;
KS_RIGHT => K_RIGHT , ;
KS_CTRL_INS => K_CTRL_INS , ;
KS_CTRL_DEL => K_CTRL_DEL , ;
KS_CTRL_HOME => K_CTRL_HOME , ;
KS_CTRL_END => K_CTRL_END , ;
KS_CTRL_PGUP => K_CTRL_PGUP , ;
KS_CTRL_PGDN => K_CTRL_PGDN , ;
KS_CTRL_UP => K_CTRL_UP , ;
KS_CTRL_LEFT => K_CTRL_LEFT , ;
KS_CTRL_DOWN => K_CTRL_DOWN , ;
KS_CTRL_RIGHT => K_CTRL_RIGHT , ;
KS_ALT_INS => K_ALT_INS , ;
KS_ALT_DEL => K_ALT_DEL , ;
KS_ALT_HOME => K_ALT_HOME , ;
KS_ALT_END => K_ALT_END , ;
KS_ALT_PGUP => K_ALT_PGUP , ;
KS_ALT_PGDN => K_ALT_PGDN , ;
KS_ALT_UP => K_ALT_UP , ;
KS_ALT_LEFT => K_ALT_LEFT , ;
KS_ALT_DOWN => K_ALT_DOWN , ;
KS_ALT_RIGHT => K_ALT_RIGHT , ;
KS_PAD_INS => HB_KP_INS , ;
KS_PAD_DEL => HB_KP_DEL , ;
KS_PAD_HOME => HB_KP_HOME , ;
KS_PAD_END => HB_KP_END , ;
KS_PAD_PGUP => HB_KP_PG_UP , ;
KS_PAD_PGDN => HB_KP_PG_DN , ;
KS_PAD_UP => HB_KP_UP , ;
KS_PAD_LEFT => HB_KP_LEFT , ;
KS_PAD_DOWN => HB_KP_DOWN , ;
KS_PAD_RIGHT => HB_KP_RIGHT , ;
KS_CTRL_PAD_INS => HB_KP_CTRL_INS , ;
KS_CTRL_PAD_DEL => HB_KP_CTRL_DEL , ;
KS_CTRL_PAD_HOME => HB_KP_CTRL_HOME , ;
KS_CTRL_PAD_END => HB_KP_CTRL_END , ;
KS_CTRL_PAD_PGUP => HB_KP_CTRL_PG_UP , ;
KS_CTRL_PAD_PGDN => HB_KP_CTRL_PG_DN , ;
KS_CTRL_PAD_UP => HB_KP_CTRL_UP , ;
KS_CTRL_PAD_LEFT => HB_KP_CTRL_LEFT , ;
KS_CTRL_PAD_DOWN => HB_KP_CTRL_DOWN , ;
KS_CTRL_PAD_RIGHT => HB_KP_CTRL_RIGHT , ;
KS_PAD_DIV => KP_ALT_SLASH , ;
KS_PAD_MUL => KP_ALT_ASTERISK , ;
KS_PAD_MINUS => KP_ALT_MINUS , ;
KS_PAD_PLUS => KP_ALT_PLUS , ;
KS_CTRL_PAD_DIV => KP_CTRL_SLASH , ;
KS_CTRL_PAD_MUL => KP_CTRL_ASTERISK , ;
KS_CTRL_PAD_MINUS => KP_CTRL_MINUS , ;
KS_CTRL_PAD_PLUS => KP_CTRL_PLUS , ;
KS_ALT_PAD_DIV => HB_KP_ALT_SLASH , ;
KS_ALT_PAD_MUL => HB_KP_ALT_STAR , ;
KS_ALT_PAD_MINUS => HB_KP_ALT_MINUS , ;
KS_ALT_PAD_PLUS => HB_KP_ALT_PLUS , ;
KS_PAD_1 => 0 , ; /* no Harbour equivalent */
KS_PAD_2 => 0 , ; /* no Harbour equivalent */
KS_PAD_3 => 0 , ; /* no Harbour equivalent */
KS_PAD_4 => 0 , ; /* no Harbour equivalent */
KS_PAD_5 => 0 , ; /* no Harbour equivalent */
KS_PAD_6 => 0 , ; /* no Harbour equivalent */
KS_PAD_7 => 0 , ; /* no Harbour equivalent */
KS_PAD_8 => 0 , ; /* no Harbour equivalent */
KS_PAD_9 => 0 , ; /* no Harbour equivalent */
KS_PAD_0 => 0 , ; /* no Harbour equivalent */
KS_PAD_DECIMAL => 0 } /* no Harbour equivalent */
FUNCTION __hbct_key_c_to_n( cKey )
IF HB_ISSTRING( cKey )
RETURN hb_HGetDef( sc_hCnv, cKey, 0 )
ENDIF
RETURN NIL
FUNCTION __hbct_key_n_to_c( nKey )
LOCAL hKey
IF HB_ISNUMERIC( nKey )
FOR EACH hKey IN sc_hCnv
IF hKey:__enumValue() == nKey
RETURN hKey:__enumKey()
ENDIF
NEXT
ENDIF
RETURN hb_BChar( 0 ) + hb_BChar( 0 )
FUNCTION SetKXLat( cOrgKeyValue, cNewKeyValue )
SWITCH PCount()
CASE 0 ; RETURN hbct_SetKXLat()
CASE 1 ; RETURN hbct_SetKXLat( __hbct_key_c_to_n( cOrgKeyValue ) )
ENDSWITCH
RETURN hbct_SetKXLat( __hbct_key_c_to_n( cOrgKeyValue ), __hbct_key_c_to_n( cNewKeyValue ) )
FUNCTION GetKXLat( cKeyValue )
LOCAL xKey := hbct_GetKXLat( __hbct_key_c_to_n( cKeyValue ) )
/* doc is unclear. should this return a numeric in these cases? */
IF HB_ISNUMERIC( xKey )
RETURN xKey
ENDIF
RETURN __hbct_key_n_to_c( xKey )
FUNCTION SetKXTab( cTrs )
LOCAL hTrs := { => }
LOCAL tmp
IF HB_ISSTRING( cTrs )
FOR tmp := 1 TO hb_BLen( cTrs ) STEP 4
hTrs[ __hbct_key_c_to_n( hb_BSubStr( cTrs, tmp, 2 ) ) ] := __hbct_key_c_to_n( hb_BSubStr( cTrs, tmp + 2, 2 ) )
NEXT
ENDIF
RETURN hbct_SetKXTab( hTrs )
FUNCTION GetKXTab()
LOCAL cTrs := ""
LOCAL hTrs := hbct_GetKXTab()
LOCAL hKey
FOR EACH hKey IN hTrs
cTrs += __hbct_key_n_to_c( hKey:__enumKey() ) + __hbct_key_n_to_c( hKey:__enumValue() )
NEXT
RETURN cTrs
/* Harbour extensions using standard numeric key values */
FUNCTION hbct_SetKXLat( nOrgKeyValue, nNewKeyValue )
LOCAL lAccepted := .F.
IF PCount() == 0
IF hb_mutexLock( s_hMutex )
lAccepted := .T.
IF ! Empty( s_hTrs )
hb_HClear( s_hTrs )
hb_gtInfo( HB_GTI_INKEYFILTER, NIL )
ENDIF
hb_mutexUnlock( s_hMutex )
ENDIF
ELSE
IF HB_ISNUMERIC( nOrgKeyValue ) .AND. nOrgKeyValue != 0
IF hb_mutexLock( s_hMutex )
IF PCount() == 1
IF nOrgKeyValue $ s_hTrs
lAccepted := .T.
hb_HDel( s_hTrs, nOrgKeyValue )
IF Empty( s_hTrs )
hb_gtInfo( HB_GTI_INKEYFILTER, NIL )
ENDIF
ENDIF
ELSEIF HB_ISNUMERIC( nNewKeyValue )
/* refuse overwriting custom HB_GTI_INKEYFILTER */
IF hb_gtInfo( HB_GTI_INKEYFILTER ) == NIL .OR. ! Empty( s_hTrs )
lAccepted := .T.
IF Empty( s_hTrs )
hb_gtInfo( HB_GTI_INKEYFILTER, {| nKey | __hbct_kxlat( nKey ) } )
ENDIF
s_hTrs[ nOrgKeyValue ] := nNewKeyValue
ENDIF
ENDIF
hb_mutexUnlock( s_hMutex )
ENDIF
ENDIF
ENDIF
RETURN lAccepted
FUNCTION hbct_GetKXLat( nKeyValue )
LOCAL nNewValue := 0
IF HB_ISNUMERIC( nKeyValue )
IF hb_mutexLock( s_hMutex )
IF nKeyValue $ s_hTrs
nNewValue := s_hTrs[ nKeyValue ]
IF nNewValue == 0
nNewValue := -1
ENDIF
ENDIF
hb_mutexUnlock( s_hMutex )
ENDIF
ENDIF
RETURN nNewValue
FUNCTION hbct_SetKXTab( hTrs )
LOCAL lAccepted := .F.
IF HB_ISHASH( hTrs )
IF hb_mutexLock( s_hMutex )
IF hb_gtInfo( HB_GTI_INKEYFILTER ) == NIL .OR. ! Empty( s_hTrs )
lAccepted := .T.
IF Empty( s_hTrs ) .AND. ! Empty( hTrs )
hb_gtInfo( HB_GTI_INKEYFILTER, {| nKey | __hbct_kxlat( nKey ) } )
ELSEIF ! Empty( s_hTrs ) .AND. Empty( hTrs )
hb_gtInfo( HB_GTI_INKEYFILTER, NIL )
ENDIF
hb_HClear( s_hTrs )
hb_HCopy( hTrs, s_hTrs )
ENDIF
hb_mutexUnlock( s_hMutex )
ENDIF
ENDIF
RETURN lAccepted
FUNCTION hbct_GetKXTab()
LOCAL xRetVal
IF hb_mutexLock( s_hMutex )
xRetVal := hb_HClone( s_hTrs )
hb_mutexUnlock( s_hMutex )
ENDIF
RETURN xRetVal
STATIC FUNCTION __hbct_kxlat( nKey )
IF hb_mutexLock( s_hMutex )
nKey := hb_HGetDef( s_hTrs, nKey, nKey )
hb_mutexUnlock( s_hMutex )
ENDIF
RETURN nKey