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Diffstat (limited to 'tvision/classes/win32/win32key.cc')
| -rw-r--r-- | tvision/classes/win32/win32key.cc | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/tvision/classes/win32/win32key.cc b/tvision/classes/win32/win32key.cc new file mode 100644 index 0000000..f467d70 --- /dev/null +++ b/tvision/classes/win32/win32key.cc @@ -0,0 +1,464 @@ +/**[txh]******************************************************************** + + Copyright (c) 2002 by Salvador E. Tropea (SET) + It said: + Keyboard handler for Win32 by Vadim Beloborodov + Based on code by Salvador E. Tropea (SET) (c) (1998) + + Description: + Win32 Keyboard routines. + The original implementation was done by Vadim, I removed some code, added +some routines and adapted it to the new architecture. + One important detail is that Vadim implemented it with threads. So we have +here an events handler with a queue. + +***************************************************************************/ + +#include <tv/configtv.h> + +#define Uses_string +#define Uses_TEvent +#define Uses_TGKey +#define Uses_TKeys +#define Uses_TKeys_Extended +#define Uses_ctype +#define Uses_TDisplay +#define Uses_TScreen +#include <tv.h> + +// I delay the check to generate as much dependencies as possible +#ifdef TVOS_Win32 + +#define WIN32_LEAN_AND_MEAN +#include <windows.h> + +#include <tv/win32/screen.h> +#include <tv/win32/key.h> + +KeyDownEvent *TGKeyWin32::evKeyboardIn; +KeyDownEvent *TGKeyWin32::evKeyboardOut; +KeyDownEvent TGKeyWin32::evKeyboardQueue[eventKeyboardQSize]; +unsigned TGKeyWin32::evKeyboardLength; +CRITICAL_SECTION TGKeyWin32::lockKeyboard; +ushort TGKeyWin32::LastControlKeyState=0; + +void TGKeyWin32::Init() +{ + TGKey::kbhit=KbHit; + TGKey::getShiftState=GetShiftState; + TGKey::fillTEvent=FillTEvent; + + InitializeCriticalSection(&lockKeyboard); + evKeyboardLength=0; + evKeyboardIn=evKeyboardOut=&evKeyboardQueue[0]; +} + +void TGKeyWin32::DeInit() +{ + DeleteCriticalSection(&lockKeyboard); +} + +int TGKeyWin32::KbHit(void) +{ + return evKeyboardLength>0; +} + +void TGKeyWin32::FillTEvent(TEvent &e) +{ + getConsoleKeyboardEvent(e.keyDown); + e.what=evKeyDown; +} + +ushort TGKeyWin32::transShiftState(DWORD state) +{ + ushort tvstate=0; + if (state & (RIGHT_ALT_PRESSED |LEFT_ALT_PRESSED) ) tvstate|=kbAltShift; + if (state & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED)) tvstate|=kbCtrlShift; + if (state & SHIFT_PRESSED) tvstate|=kbLeftShift; + if (state & NUMLOCK_ON ) tvstate|=kbNumState; + if (state & SCROLLLOCK_ON) tvstate|=kbScrollState; + if (state & CAPSLOCK_ON ) tvstate|=kbCapsState; + + return tvstate; +} + +/* + Translate keyboard events to Salvador E. Tropea's key codes + by Vadim Beloborodov + Originally in trans.cc +*/ + +const char TGKeyWin32::KeyTo[256]= +{ + /* 00 */ 0, + /* 01 VK_LBUTTON */ 0, + /* 02 VK_RBUTTON */ 0, + /* 03 VK_CANCEL */ 0, + /* 04 VK_MBUTTON */ 0, + /* 05 unassigned */ 0, + /* 06 unassigned */ 0, + /* 07 unassigned */ 0, + /* 08 VK_BACK */ kbBackSpace, + /* 09 VK_TAB */ kbTab, + /* 0A unassigned */ 0, + /* 0B unassigned */ 0, + /* 0C VK_CLEAR ?? */ 0, + /* 0D VK_RETURN */ kbEnter, + /* 0E unassigned */ 0, + /* 0F unassigned */ 0, + /* 10 VK_SHIFT */ 0, + /* 11 VK_CONTROL */ 0, + /* 12 VK_MENU */ 0, + /* 13 VK_PAUSE */ 0, + /* 14 VK_CAPITAL */ 0, + /* 15 Kanji systems*/ 0, + /* 16 Kanji systems*/ 0, + /* 17 Kanji systems*/ 0, + /* 18 Kanji systems*/ 0, + /* 19 Kanji systems*/ 0, + /* 1A unassigned */ 0, + /* 1B VK_ESCAPE */ kbEsc, + /* 1C Kanji systems*/ 0, + /* 1D Kanji systems*/ 0, + /* 1E Kanji systems*/ 0, + /* 1F Kanji systems*/ 0, + /* 20 VK_SPACE */ kbSpace, + /* 21 VK_PRIOR */ kbPgUp, + /* 22 VK_NEXT */ kbPgDn, + /* 23 VK_END */ kbEnd, + /* 24 VK_HOME */ kbHome, + /* 25 VK_LEFT */ kbLeft, + /* 26 VK_UP */ kbUp, + /* 27 VK_RIGHT */ kbRight, + /* 28 VK_DOWN */ kbDown, + /* 29 VK_SELECT */ 0, + /* 2A OEM specific */ 0, + /* 2B VK_EXECUTE */ 0, + /* 2C VK_SNAPSHOT */ 0, + /* 2D VK_INSERT */ kbInsert, + /* 2E VK_DELETE */ kbDelete, + /* 2F VK_HELP */ 0, + /* 30 VK_0 '0' */ kb0, + /* 31 VK_1 '1' */ kb1, + /* 32 VK_2 '2' */ kb2, + /* 33 VK_3 '3' */ kb3, + /* 34 VK_4 '4' */ kb4, + /* 35 VK_5 '5' */ kb5, + /* 36 VK_6 '6' */ kb6, + /* 37 VK_7 '7' */ kb7, + /* 38 VK_8 '8' */ kb8, + /* 39 VK_9 '9' */ kb9, + /* 3A unassigned */ 0, + /* 3B unassigned */ 0, + /* 3C unassigned */ 0, + /* 3D unassigned */ 0, + /* 3E unassigned */ 0, + /* 3F unassigned */ 0, + /* 40 unassigned */ 0, + /* 41 VK_A 'A' */ kbA, + /* 42 VK_B 'B' */ kbB, + /* 43 VK_C 'C' */ kbC, + /* 44 VK_D 'D' */ kbD, + /* 45 VK_E 'E' */ kbE, + /* 46 VK_F 'F' */ kbF, + /* 47 VK_G 'G' */ kbG, + /* 48 VK_H 'H' */ kbH, + /* 49 VK_I 'I' */ kbI, + /* 4A VK_J 'J' */ kbJ, + /* 4B VK_K 'K' */ kbK, + /* 4C VK_L 'L' */ kbL, + /* 4D VK_M 'M' */ kbM, + /* 4E VK_N 'N' */ kbN, + /* 4F VK_O 'O' */ kbO, + /* 50 VK_P 'P' */ kbP, + /* 51 VK_Q 'Q' */ kbQ, + /* 52 VK_R 'R' */ kbR, + /* 53 VK_S 'S' */ kbS, + /* 54 VK_T 'T' */ kbT, + /* 55 VK_U 'U' */ kbU, + /* 56 VK_V 'V' */ kbV, + /* 57 VK_W 'W' */ kbW, + /* 58 VK_X 'X' */ kbX, + /* 59 VK_Y 'Y' */ kbY, + /* 5A VK_Z 'Z' */ kbZ, + /* 5B unassigned */ 0, + /* 5C unassigned */ 0, + /* 5D unassigned */ 0, + /* 5E unassigned */ 0, + /* 5F unassigned */ 0, + /* 60 VK_NUMPAD0 NumKeyPad '0' */ kb0, + /* 61 VK_NUMPAD1 NumKeyPad '1' */ kb1, + /* 62 VK_NUMPAD2 NumKeyPad '2' */ kb2, + /* 63 VK_NUMPAD3 NumKeyPad '3' */ kb3, + /* 64 VK_NUMPAD4 NumKeyPad '4' */ kb4, + /* 65 VK_NUMPAD5 NumKeyPad '5' */ kb5, + /* 66 VK_NUMPAD6 NumKeyPad '6' */ kb6, + /* 67 VK_NUMPAD7 NumKeyPad '7' */ kb7, + /* 68 VK_NUMPAD8 NumKeyPad '8' */ kb8, + /* 69 VK_NUMPAD9 NumKeyPad '9' */ kb9, + /* 6A VK_MULTIPLY */ kbAsterisk, + /* 6B VK_ADD */ kbPlus, + /* 6C VK_SEPARATOR */ kbBackSlash, + /* 6D VK_SUBSTRACT */ kbMinus, + /* 6E VK_DECIMAL */ kbGrave, + /* 6F VK_DIVIDE */ kbSlash, + /* 70 VK_F1 'F1' */ kbF1, + /* 71 VK_F2 'F2' */ kbF2, + /* 72 VK_F3 'F3' */ kbF3, + /* 73 VK_F4 'F4' */ kbF4, + /* 74 VK_F5 'F5' */ kbF5, + /* 75 VK_F6 'F6' */ kbF6, + /* 76 VK_F7 'F7' */ kbF7, + /* 77 VK_F8 'F8' */ kbF8, + /* 78 VK_F9 'F9' */ kbF9, + /* 79 VK_F10 'F10' */ kbF10, + /* 7A VK_F11 'F11' */ kbF11, + /* 7B VK_F12 'F12' */ kbF12, + /* 7C VK_F13 */ 0, + /* 7D VK_F14 */ 0, + /* 7E VK_F15 */ 0, + /* 7F VK_F16 */ 0, + /* 80 VK_F17 */ 0, + /* 81 VK_F18 */ 0, + /* 82 VK_F19 */ 0, + /* 83 VK_F20 */ 0, + /* 84 VK_F21 */ 0, + /* 85 VK_F22 */ 0, + /* 86 VK_F23 */ 0, + /* 87 VK_F24 */ 0, + /* 88 unassigned */ 0, + /* 89 VK_NUMLOCK */ 0, + /* 8A VK_SCROLL */ 0, + /* 8B unassigned */ 0, + /* 8C unassigned */ 0, + /* 8D unassigned */ 0, + /* 8E unassigned */ 0, + /* 8F unassigned */ 0, + /* 90 unassigned */ 0, + /* 91 unassigned */ 0, + /* 92 unassigned */ 0, + /* 93 unassigned */ 0, + /* 94 unassigned */ 0, + /* 95 unassigned */ 0, + /* 96 unassigned */ 0, + /* 97 unassigned */ 0, + /* 98 unassigned */ 0, + /* 99 unassigned */ 0, + /* 9A unassigned */ 0, + /* 9B unassigned */ 0, + /* 9C unassigned */ 0, + /* 9D unassigned */ 0, + /* 9E unassigned */ 0, + /* 9F unassigned */ 0, + /* A0 unassigned */ 0, + /* A1 unassigned */ 0, + /* A2 unassigned */ 0, + /* A3 unassigned */ 0, + /* A4 unassigned */ 0, + /* A5 unassigned */ 0, + /* A6 unassigned */ 0, + /* A7 unassigned */ 0, + /* A8 unassigned */ 0, + /* A9 unassigned */ 0, + /* AA unassigned */ 0, + /* AB unassigned */ 0, + /* AC unassigned */ 0, + /* AD unassigned */ 0, + /* AE unassigned */ 0, + /* AF unassigned */ 0, + /* B0 unassigned */ 0, + /* B1 unassigned */ 0, + /* B2 unassigned */ 0, + /* B3 unassigned */ 0, + /* B4 unassigned */ 0, + /* B5 unassigned */ 0, + /* B6 unassigned */ 0, + /* B7 unassigned */ 0, + /* B8 unassigned */ 0, + /* B9 unassigned */ 0, + /* BA OEM specific */ 0, + /* BB OEM specific */ 0, + /* BC OEM specific */ 0, + /* BD OEM specific */ 0, + /* BE OEM specific */ 0, + /* BF OEM specific */ 0, + /* C0 OEM specific */ 0, + /* C1 unassigned */ 0, + /* C2 unassigned */ 0, + /* C3 unassigned */ 0, + /* C4 unassigned */ 0, + /* C5 unassigned */ 0, + /* C6 unassigned */ 0, + /* C7 unassigned */ 0, + /* C8 unassigned */ 0, + /* C9 unassigned */ 0, + /* CA unassigned */ 0, + /* CB unassigned */ 0, + /* CC unassigned */ 0, + /* CD unassigned */ 0, + /* CE unassigned */ 0, + /* CF unassigned */ 0, + /* D0 unassigned */ 0, + /* D1 unassigned */ 0, + /* D2 unassigned */ 0, + /* D3 unassigned */ 0, + /* D4 unassigned */ 0, + /* D5 unassigned */ 0, + /* D6 unassigned */ 0, + /* D7 unassigned */ 0, + /* D8 unassigned */ 0, + /* D9 unassigned */ 0, + /* DA unassigned */ 0, + /* DB OEM specific */ 0, + /* DC OEM specific */ 0, + /* DD OEM specific */ 0, + /* DE OEM specific */ 0, + /* DF OEM specific */ 0, + /* E0 OEM specific */ 0, + /* E1 OEM specific */ 0, + /* E2 OEM specific */ 0, + /* E3 OEM specific */ 0, + /* E4 OEM specific */ 0, + /* E5 unassigned */ 0, + /* E6 OEM specific */ 0, + /* E7 unassigned */ 0, + /* E8 unassigned */ 0, + /* E9 OEM specific */ 0, + /* EA OEM specific */ 0, + /* EB OEM specific */ 0, + /* EC OEM specific */ 0, + /* ED OEM specific */ 0, + /* EE OEM specific */ 0, + /* EF OEM specific */ 0, + /* F0 OEM specific */ 0, + /* F1 OEM specific */ 0, + /* F2 OEM specific */ 0, + /* F3 OEM specific */ 0, + /* F4 OEM specific */ 0, + /* F5 OEM specific */ 0, + /* F6 unassigned */ 0, + /* F7 unassigned */ 0, + /* F8 unassigned */ 0, + /* F9 unassigned */ 0, + /* FA unassigned */ 0, + /* FB unassigned */ 0, + /* FC unassigned */ 0, + /* FD unassigned */ 0, + /* FE unassigned */ 0, + /* FF unassigned */ 0 +}; + +int TGKeyWin32::transKeyEvent(KeyDownEvent& dst, KEY_EVENT_RECORD& src) +{ + if (src.wVirtualKeyCode!=VK_MENU && + src.wVirtualKeyCode!=VK_CONTROL && + src.wVirtualKeyCode!=VK_SHIFT) + { + dst.keyCode=KeyTo[src.wVirtualKeyCode]; + dst.charScan.charCode=src.uChar.AsciiChar; + dst.charScan.scanCode=(uchar)src.wVirtualScanCode; + dst.raw_scanCode=(uchar)src.wVirtualScanCode; + dst.shiftState=transShiftState(src.dwControlKeyState); + if (dst.shiftState&kbAltShift) dst.keyCode|=kbAltLCode; + if (dst.shiftState&kbCtrlShift) dst.keyCode|=kbCtrlCode; + if (dst.shiftState&kbShift) dst.keyCode|=kbShiftCode; + return 1; + } + return 0; +} + +/* + Win32 console events handlers + by Vadim Beloborodov + Originally in console.cc +*/ + +const char TGKeyWin32::testChars[]= +"`1234567890-=" +"~!@#$%^&*()_+" +"qwertyuiop[]" +"QWERTYUIOP{}" +"asdfghjkl;'\\" +"ASDFGHJKL:\"|" +"zxcvbnm,./" +"ZXCVBNM<>?"; + +unsigned TGKeyWin32::GetShiftState() +{ + return LastControlKeyState; +} + +void TGKeyWin32::putConsoleKeyboardEvent(KeyDownEvent &key) +{ + EnterCriticalSection(&lockKeyboard); + if (evKeyboardLength<eventKeyboardQSize) + { + evKeyboardLength++; + *evKeyboardIn=key; + if (++evKeyboardIn>=&evKeyboardQueue[eventKeyboardQSize]) + evKeyboardIn=&evKeyboardQueue[0]; + } + LeaveCriticalSection(&lockKeyboard); +} + +int TGKeyWin32::getConsoleKeyboardEvent(KeyDownEvent &key) +{ + EnterCriticalSection(&lockKeyboard); + int haskeyevent=evKeyboardLength>0; + if (haskeyevent) + { + evKeyboardLength--; + key=*evKeyboardOut; + if (++evKeyboardOut>=&evKeyboardQueue[eventKeyboardQSize]) + evKeyboardOut=&evKeyboardQueue[0]; + } + LeaveCriticalSection(&lockKeyboard); + return haskeyevent; +} + +void TGKeyWin32::HandleKeyEvent() +{ + INPUT_RECORD ir; + DWORD dwRead; + PeekConsoleInput(TScreenWin32::hIn,&ir,1,&dwRead); + if ((dwRead==1) && (ir.EventType==KEY_EVENT)) + { + if (ir.Event.KeyEvent.bKeyDown) + { + //support for non US keyboard layout on Windows95 + if (((ir.Event.KeyEvent.dwControlKeyState & (RIGHT_ALT_PRESSED|LEFT_ALT_PRESSED|RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED))==0) && + (ir.Event.KeyEvent.uChar.AsciiChar) && + strchr(testChars,ir.Event.KeyEvent.uChar.AsciiChar)) + { + uchar chr; + ReadConsole(TScreenWin32::hIn,&chr,1,&dwRead,NULL); + ir.Event.KeyEvent.uChar.AsciiChar=chr; + dwRead=0; + } + else + { + ReadConsoleInput(TScreenWin32::hIn,&ir,1,&dwRead); + dwRead = 0; + } + //translate event + KeyDownEvent key; + if (transKeyEvent(key,ir.Event.KeyEvent)) + putConsoleKeyboardEvent(key); + } + ProcessControlKeyState(&ir); + } + if (dwRead==1) + ReadConsoleInput(TScreenWin32::hIn,&ir,1,&dwRead); +} + +void TGKeyWin32::ProcessControlKeyState(INPUT_RECORD *ir) +{ + LastControlKeyState=transShiftState(ir->Event.KeyEvent.dwControlKeyState); +} +#else + +#include <tv/win32/screen.h> +#include <tv/win32/key.h> + +#endif // TVOS_Win32 + |