keytrans.h

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//                                                               //
//                                                               //
//      Key translations - I.Ioannou (roryt@hol.gr)              //
//          Athens - Greece    December 18, 1996 02:56am         //
//          Reads a .cfg file and keeps the key definitions      //
//                for the WIN32 console telnet                   //
//      modified for alternate keymap swiching                   //
//          by Andrey V. Smilianets (smile@head.aval.kiev.ua)    //
//          Kiev - Ukraine, December 1997.                       //
//                                                               //
//                class KeyTranslator                            //
//                                                               //
//  Load          : loads or replaces the keymap                 //
//  TranslateKey  : returns a char * to the key def              //
//  AddKeyDef     : Changes or adds the key translation          //
//  DeleteKeyDef  : Deletes a key def from the list              //
 
#pragma once
 
#include "tkeydef.h"
#include "tkeymap.h"
 
#define TOKEN_DELIMITERS " +\t" // The word's delimiters
 
// Ioannou 2 June 98:  Borland needs them - quick hack
#ifdef __BORLANDC__
#define bool BOOL
#define true TRUE
#define false FALSE
#endif //  __BORLANDC__
 
// Maybe not portable, but this is for application cursor mode
// (Paul Brannan 5/27/98)
// Updated for correct precedence in tncon.cpp (Paul Brannan 12/9/98)
#define APP4_KEY            0x8000
#define APP3_KEY            0x4000
#define APP2_KEY            0x2000
#define APP_KEY             0x1000
 
//                class KeyTranslator                      //
//  Load          : loads or replaces the keymap           //
//  TranslateKey  : returns a sz to the key def            //
//  AddKeyDef     : Changes or adds the key translation    //
//  DeleteKeyDef  : Deletes a key def from the list        //
 
class KeyTranslator {
friend class TMapLoader;            // FIX ME!!  This isn't the best solution
public:
    KeyTranslator();
    ~KeyTranslator() { DeleteAllDefs(); }
 
    int  SwitchTo(int);             // switch to selected keymap
    int switchMap(TKeyDef& tk);
 
    // Returns a pointer to the string that should be printed.
    // Should return NULL if there is no translation for the key.
    const char *TranslateKey(WORD wVirtualKeyCode, DWORD dwControlKeyState);
 
    // Changes or adds the key translation associated with
    // wVirtualScanCode and dwControlKeyState.
    // Return 1 on success.
    int AddKeyDef(WORD wVirtualKeyCode, DWORD dwControlKeyState, char *lpzKeyDef);
    int AddKeyDef(WORD wVirtualKeyCode, DWORD dwControlKeyState, tn_ops op);
 
    // Delete a key translation
    int DeleteKeyDef(WORD wVirtualKeyCode, DWORD dwControlKeyState);
 
    // Paul Brannan 8/28/98
    void set_ext_mode(DWORD mode) {ext_mode |= mode;}
    void unset_ext_mode(DWORD mode) {ext_mode &= ~mode;}
    void clear_ext_mode() {ext_mode = 0;}
    DWORD get_ext_mode() {return ext_mode;}
 
private:
    DWORD     Fix_ControlKeyState(char *);
    char*     Fix_Tok(char *);
    DWORD ext_mode;                             // Paul Brannan 8/28/98
 
    TArrayAsVector<KeyMap> mapArray;
    TArrayAsVector<TKeyDef> globals;
 
    void      DeleteAllDefs(void);
    int       AddGlobalDef(WORD wVirtualKeyCode, char*lpzKeyDef);
    int       LookOnGlobal(char* vkey);
    DWORD     GetGlobalCode(int i) {return globals[i].GetCodeKey();}
 
    int currentKeyMap, mainKeyMap;              // AVS
 
};