base/applications/network/telnet/src/keytrans.h

   1 ///////////////////////////////////////////////////////////////////
   2 //                                                               //
   3 //                                                               //
   4 //      Key translations - I.Ioannou (roryt@hol.gr)              //
   5 //          Athens - Greece    December 18, 1996 02:56am         //
   6 //          Reads a .cfg file and keeps the key definitions      //
   7 //                for the WIN32 console telnet                   //
   8 //      modified for alternate keymap swiching                   //
   9 //          by Andrey V. Smilianets (smile@head.aval.kiev.ua)    //
  10 //          Kiev - Ukraine, December 1997.                       //
  11 ///////////////////////////////////////////////////////////////////
  12 //                                                               //
  13 //                class KeyTranslator                            //
  14 //                                                               //
  15 //  Load          : loads or replaces the keymap                 //
  16 //  TranslateKey  : returns a char * to the key def              //
  17 //  AddKeyDef     : Changes or adds the key translation          //
  18 //  DeleteKeyDef  : Deletes a key def from the list              //
  19 ///////////////////////////////////////////////////////////////////
  20
  21 #pragma once
  22
  23 #include "tkeydef.h"
  24 #include "tkeymap.h"
  25
  26 #define TOKEN_DELIMITERS " +\t" // The word's delimiters
  27
  28 // Ioannou 2 June 98:  Borland needs them - quick hack
  29 #ifdef __BORLANDC__
  30 #define bool BOOL
  31 #define true TRUE
  32 #define false FALSE
  33 #endif //  __BORLANDC__
  34
  35 // Maybe not portable, but this is for application cursor mode
  36 // (Paul Brannan 5/27/98)
  37 // Updated for correct precedence in tncon.cpp (Paul Brannan 12/9/98)
  38 #define APP4_KEY                        0x8000
  39 #define APP3_KEY                        0x4000
  40 #define APP2_KEY                        0x2000
  41 #define APP_KEY                         0x1000
  42
  43 /////////////////////////////////////////////////////////////
  44 //                class KeyTranslator                      //
  45 //  Load          : loads or replaces the keymap           //
  46 //  TranslateKey  : returns a sz to the key def            //
  47 //  AddKeyDef     : Changes or adds the key translation    //
  48 //  DeleteKeyDef  : Deletes a key def from the list        //
  49 /////////////////////////////////////////////////////////////
  50
  51 class KeyTranslator {
  52 friend class TMapLoader;                        // FIX ME!!  This isn't the best solution
  53 public:
  54     KeyTranslator();
  55     ~KeyTranslator() { DeleteAllDefs(); }
  56
  57     int  SwitchTo(int);                         // switch to selected keymap
  58         int switchMap(TKeyDef& tk);
  59
  60     // Returns a pointer to the string that should be printed.
  61     // Should return NULL if there is no translation for the key.
  62     const char *TranslateKey(WORD wVirtualKeyCode, DWORD dwControlKeyState);
  63
  64     // Changes or adds the key translation associated with
  65     // wVirtualScanCode and dwControlKeyState.
  66     // Return 1 on success.
  67     int AddKeyDef(WORD wVirtualKeyCode, DWORD dwControlKeyState, char *lpzKeyDef);
  68         int AddKeyDef(WORD wVirtualKeyCode, DWORD dwControlKeyState, tn_ops op);
  69
  70     // Delete a key translation
  71         int DeleteKeyDef(WORD wVirtualKeyCode, DWORD dwControlKeyState);
  72
  73         // Paul Brannan 8/28/98
  74         void set_ext_mode(DWORD mode) {ext_mode |= mode;}
  75         void unset_ext_mode(DWORD mode) {ext_mode &= ~mode;}
  76         void clear_ext_mode() {ext_mode = 0;}
  77         DWORD get_ext_mode() {return ext_mode;}
  78
  79 private:
  80         DWORD     Fix_ControlKeyState(char *);
  81         char*     Fix_Tok(char *);
  82         DWORD ext_mode;                                                         // Paul Brannan 8/28/98
  83
  84         TArrayAsVector<KeyMap> mapArray;
  85         TArrayAsVector<TKeyDef> globals;
  86
  87         void      DeleteAllDefs(void);
  88         int       AddGlobalDef(WORD wVirtualKeyCode, char*lpzKeyDef);
  89         int               LookOnGlobal(char* vkey);
  90         DWORD     GetGlobalCode(int i) {return globals[i].GetCodeKey();}
  91
  92         int currentKeyMap, mainKeyMap;                          // AVS
  93
  94 };