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Danbias/Code/Misc/Input/Source/Win32/Win32Keyboard.cpp

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/////////////////////////////////////////////////////////////////////
// Created by [Dennis Andersen] [2013]
/////////////////////////////////////////////////////////////////////
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#include "..\..\Include\Win32\Win32Input.h"
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#include <algorithm>
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#pragma warning ( disable : 4172 )
using namespace Input;
using namespace Input::Enum;
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using namespace std;
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Win32Keyboard::Win32Keyboard(HWND target)
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{
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this->isActive = false;
this->device.usUsagePage = 0x01;
this->device.hwndTarget = target;
this->device.usUsage = RawInput_Usage_keyboard;
this->device.dwFlags = RIDEV_NOLEGACY;
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memset(&this->keys[0], 0, sizeof(Win32Keyboard::Keys) * MAXKEYS);
}
Win32Keyboard::~Win32Keyboard()
{
}
bool Win32Keyboard::IsKeyUp (SAKI key)
{
return !this->keys[key].isDown;
}
bool Win32Keyboard::IsKeyDown (SAKI key)
{
return this->keys[key].isDown;
}
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wchar_t* Win32Keyboard::GetAsText(Enum::SAKI key)
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{
if(Enum::SAKI_Unknown == key) return 0;
// getting a human-readable string
UINT temp = (this->keys[key].makecode << 16) | (this->keys[key].isE0 << 24);
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wchar_t buff[16] = {0};
GetKeyNameTextW((LONG)temp, buff, 16);
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return buff;
}
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void Win32Keyboard::Activate ()
{
if(this->isActive) return;
this->Create();
}
void Win32Keyboard::Deactivate ()
{
if(!this->isActive) return;
RAWINPUTDEVICE d;
d.dwFlags = RIDEV_REMOVE;
d.hwndTarget = 0;
d.usUsage = RawInput_Usage_keyboard;
d.usUsagePage = 0x01;
if(RegisterRawInputDevices(&d, 1, sizeof(RAWINPUTDEVICE)))
{
this->isActive = true;
}
}
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void Win32Keyboard::ProccessKeyboardData (RAWKEYBOARD keyboard)
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{
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if(!this->active)
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{
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return;
}
bool isUp = (( keyboard.Flags & RI_KEY_BREAK) != 0);
SAKI key = SAKI_Unknown;
bool isE0;
MapKey(keyboard, key, isE0);
if(key != SAKI_Unknown)
{
//The key is released.
if(isUp)/*(k.Flags == RI_KEY_BREAK || k.Flags == (RI_KEY_BREAK | RI_KEY_E0) || k.Flags == (RI_KEY_BREAK | RI_KEY_E1))*/
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{
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InternalOnKeyRelease(key);
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this->keys[key].isDown = false;
this->keys[key].isE0 = isE0;
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this->keys[key].makecode = keyboard.MakeCode;
}
//The key is pressed.
else /*if (k.Flags == RI_KEY_MAKE || k.Flags == (RI_KEY_MAKE | RI_KEY_E0) || k.Flags == (RI_KEY_MAKE | RI_KEY_E1))*/
{
if(this->keys[key].isDown)
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{
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this->InternalOnKeyDown(key);
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}
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else
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{
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this->InternalOnKeyPress(key);
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this->keys[key].isDown = true;
this->keys[key].isE0 = isE0;
this->keys[key].makecode = keyboard.MakeCode;
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}
}
}
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if(this->textTarget)
{ //Parse text
UINT virtualKey = MapVirtualKey(keyboard.VKey, MAPVK_VK_TO_CHAR);
if(this->keys[SAKI_Backspace].isDown)
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{
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if( this->writePos > 0 )
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{
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--this->writePos;
this->textTarget->erase( this->writePos, 1 );
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}
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}
else if (this->keys[SAKI_Delete].isDown)
{
if( this->writePos < this->textTarget->size() )
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{
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this->textTarget->erase( this->writePos, 1 );
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}
}
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else if (this->keys[SAKI_Left].isDown)
{
this->writePos = std::max( this->writePos - 1, (wstring::size_type)0 );
}
else if (this->keys[SAKI_Right].isDown)
{
this->writePos = std::min( this->writePos + 1, this->textTarget->size() );
}
else if (virtualKey && !isUp)
{
wchar_t test = towlower((wchar_t)virtualKey);
if( this->keys[SAKI_LeftShift].isDown || this->keys[SAKI_RightShift].isDown )
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{
if(key == SAKI_0) test = L'=';
else if(key == SAKI_1) test = L'!';
else if(key == SAKI_2) test = L'"';
else if(key == SAKI_3) test = L'#';
else if(key == SAKI_4) test = L'<EFBFBD>';
else if(key == SAKI_5) test = L'%';
else if(key == SAKI_6) test = L'&';
else if(key == SAKI_7) test = L'/';
else if(key == SAKI_8) test = L'(';
else if(key == SAKI_9) test = L')';
else if(key == SAKI_Add) test = L'?';
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test = towupper(test);
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}
else if( this->keys[SAKI_LeftAlt].isDown || this->keys[SAKI_RightAlt].isDown )
{
if(key == SAKI_2) test = L'@';
else if(key == SAKI_3) test = L'<EFBFBD>';
else if(key == SAKI_4) test = L'$';
else if(key == SAKI_5) test = L'<EFBFBD>';
else if(key == SAKI_7) test = L'{';
else if(key == SAKI_8) test = L'[';
else if(key == SAKI_9) test = L']';
else if(key == SAKI_0) test = L'}';
else if(key == SAKI_Add) test = L'\\';
}
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this->textTarget->insert( this->writePos, 1, test);
++this->writePos;
}
}
}
void Win32Keyboard::MapKey(RAWKEYBOARD& rawKB, SAKI& out_key, bool& isE0)
{
//------------------------------------------------------------------------------------//
// http://molecularmusings.wordpress.com/2011/09/05/properly-handling-keyboard-input/ //
//------------------------------------------------------------------------------------//
UINT virtualKey = rawKB.VKey;
UINT scanCode = rawKB.MakeCode;
UINT flags = rawKB.Flags;
if (virtualKey == 255)
{
// discard "fake keys" which are part of an escaped sequence
return;
}
else if (virtualKey == VK_SHIFT)
{
// correct left-hand / right-hand SHIFT
virtualKey = MapVirtualKey(scanCode, MAPVK_VSC_TO_VK_EX);
}
else if (virtualKey == VK_NUMLOCK)
{
// correct PAUSE/BREAK and NUM LOCK silliness, and set the extended bit
scanCode = (MapVirtualKey(virtualKey, MAPVK_VK_TO_VSC) | 0x100);
}
// e0 and e1 are escape sequences used for certain special keys, such as PRINT and PAUSE/BREAK.
// see http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html
isE0 = ((flags & RI_KEY_E0) != 0);
const bool isE1 = ((flags & RI_KEY_E1) != 0);
if (isE1)
{
// for escaped sequences, turn the virtual key into the correct scan code using MapVirtualKey.
// however, MapVirtualKey is unable to map VK_PAUSE (this is a known bug), hence we map that by hand.
if (virtualKey == VK_PAUSE) scanCode = 0x45;
else scanCode = MapVirtualKey(virtualKey, MAPVK_VK_TO_VSC);
}
switch (virtualKey)
{
// right-hand CONTROL and ALT have their e0 bit set
case VK_CONTROL:
if (isE0) out_key = SAKI_RightCtrl;
else out_key = SAKI_LeftCtrl;
break;
case VK_MENU:
if (isE0) out_key = SAKI_RightAlt;
else out_key = SAKI_LeftAlt;
break;
// NUMPAD ENTER has its e0 bit set
case VK_RETURN:
if (isE0) out_key = SAKI_NumpadEnter;
break;
// the standard INSERT, DELETE, HOME, END, PRIOR and NEXT keys will always have their e0 bit set, but the
// corresponding keys on the NUMPAD will not.
case VK_INSERT:
if (!isE0) out_key = SAKI_Numpad0;
break;
case VK_DELETE:
if (!isE0) out_key = SAKI_NumpadDecimal;
break;
case VK_HOME:
if (!isE0) out_key = SAKI_Numpad7;
break;
case VK_END:
if (!isE0) out_key = SAKI_Numpad1;
break;
case VK_PRIOR:
if (!isE0) out_key = SAKI_Numpad9;
break;
case VK_NEXT:
if (!isE0) out_key = SAKI_Numpad3;
break;
// the standard arrow keys will always have their e0 bit set, but the
// corresponding keys on the NUMPAD will not.
case VK_LEFT:
if (!isE0) out_key = SAKI_Numpad4;
break;
case VK_RIGHT:
if (!isE0) out_key = SAKI_Numpad6;
break;
case VK_UP:
if (!isE0) out_key = SAKI_Numpad8;
break;
case VK_DOWN:
if (!isE0) out_key = SAKI_Numpad2;
break;
// NUMPAD 5 doesn't have its e0 bit set
case VK_CLEAR:
if (!isE0) out_key = SAKI_Numpad5;
break;
case 0x03 : //VK_CANCEL
break;
case 0x08 : //VK_BACK
out_key = SAKI_Backspace;
break;
case 0x09 : //VK_TAB
out_key = SAKI_Tab;
break;
case 0x10 : //VK_SHIFT
out_key = SAKI_LeftShift;
out_key = SAKI_RightShift;
break;
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case 0x13 : //VK_PAUSE
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out_key = SAKI_Pause;
break;
case 0x14 : //VK_CAPITAL
out_key = SAKI_CapsLock;
break;
case 0x15 : //VK_KANA
break;
case 0x1B : //VK_ESCAPE
out_key = SAKI_Escape;
break;
case 0x1C : //VK_CONVERT
break;
case 0x1D : //VK_NONCONVERT
break;
case 0x1E : //VK_ACCEPT
break;
case 0x1F : //VK_MODECHANGE
break;
case 0x20 : //VK_SPACE
out_key = SAKI_Space;
break;
case 0x29 : //VK_SELECT
break;
case 0x2A : //VK_PRINT
out_key = SAKI_PrintScreen;
break;
case 0x2B : //VK_EXECUTE
break;
case 0x2C : //VK_SNAPSHOT
break;
case 0x2F : //VK_HELP
break;
case 0x30 : //0 key
out_key = SAKI_0;
break;
case 0x31 : //1 key
out_key = SAKI_1;
break;
case 0x32 : //2 key
out_key = SAKI_2;
break;
case 0x33 : //3 key
out_key = SAKI_3;
break;
case 0x34 : //4 key
out_key = SAKI_4;
break;
case 0x35 : //5 key
out_key = SAKI_5;
break;
case 0x36 : //6 key
out_key = SAKI_6;
break;
case 0x37 : //7 key
out_key = SAKI_7;
break;
case 0x38 : //8 key
out_key = SAKI_8;
break;
case 0x39 : //9 key
out_key = SAKI_9;
break;
case 0x41 : //A key
out_key = SAKI_A;
break;
case 0x42 : //B key
out_key = SAKI_B;
break;
case 0x43 : //C key
out_key = SAKI_C;
break;
case 0x44 : //D key
out_key = SAKI_D;
break;
case 0x45 : //E key
out_key = SAKI_E;
break;
case 0x46 : //F key
out_key = SAKI_F;
break;
case 0x47 : //G key
out_key = SAKI_G;
break;
case 0x48 : //H key
out_key = SAKI_H;
break;
case 0x49 : //I key
out_key = SAKI_I;
break;
case 0x4A : //J key
out_key = SAKI_J;
break;
case 0x4B : //K key
out_key = SAKI_K;
break;
case 0x4C : //L key
out_key = SAKI_L;
break;
case 0x4D : //M key
out_key = SAKI_M;
break;
case 0x4E : //N key
out_key = SAKI_N;
break;
case 0x4F : //O key
out_key = SAKI_O;
break;
case 0x50 : //P key
out_key = SAKI_P;
break;
case 0x51 : //Q key
out_key = SAKI_Q;
break;
case 0x52 : //R key
out_key = SAKI_R;
break;
case 0x53 : //S key
out_key = SAKI_S;
break;
case 0x54 : //T key
out_key = SAKI_T;
break;
case 0x55 : //U key
out_key = SAKI_U;
break;
case 0x56 : //V key
out_key = SAKI_V;
break;
case 0x57 : //W key
out_key = SAKI_W;
break;
case 0x58 : //X key
out_key = SAKI_X;
break;
case 0x59 : //Y key
out_key = SAKI_Y;
break;
case 0x5A : //Z key
out_key = SAKI_Z;
break;
case 0x5B : //VK_LWIN
break;
case 0x5C : //VK_RWIN
break;
case 0x5D : //VK_APPS
break;
case 0x5F : //VK_SLEEP
break;
case 0x60 : //VK_NUMPAD0
out_key = SAKI_Numpad0;
break;
case 0x61 : //VK_NUMPAD1
out_key = SAKI_Numpad1;
break;
case 0x62 : //VK_NUMPAD2
out_key = SAKI_Numpad2;
break;
case 0x63 : //VK_NUMPAD3
out_key = SAKI_Numpad3;
break;
case 0x64 : //VK_NUMPAD4
out_key = SAKI_Numpad4;
break;
case 0x65 : //VK_NUMPAD5
out_key = SAKI_Numpad5;
break;
case 0x66 : //VK_NUMPAD6
out_key = SAKI_Numpad6;
break;
case 0x67 : //VK_NUMPAD7
out_key = SAKI_Numpad7;
break;
case 0x68 : //VK_NUMPAD8
out_key = SAKI_Numpad8;
break;
case 0x69 : //VK_NUMPAD9
out_key = SAKI_Numpad9;
break;
case 0x6A : //VK_MULTIPLY
out_key = SAKI_NumpadMultiply;
break;
case 0x6B : //VK_ADD
out_key = SAKI_NumpadPlus;
break;
case 0x6C : //VK_SEPARATOR
break;
case 0x6D : //VK_SUBTRACT
out_key = SAKI_NumpadSubtract;
break;
case 0x6E : //VK_DECIMAL
out_key = SAKI_NumpadDecimal;
break;
case 0x6F : //VK_DIVIDE
out_key = SAKI_NumpadDivide;
break;
case 0x70 : //VK_F1
out_key = SAKI_F1;
break;
case 0x71 : //VK_F2
out_key = SAKI_F2;
break;
case 0x72 : //VK_F3
out_key = SAKI_F3;
break;
case 0x73 : //VK_F4
out_key = SAKI_F4;
break;
case 0x74 : //VK_F5
out_key = SAKI_F5;
break;
case 0x75 : //VK_F6
out_key = SAKI_F6;
break;
case 0x76 : //VK_F7
out_key = SAKI_F7;
break;
case 0x77 : //VK_F8
out_key = SAKI_F8;
break;
case 0x78 : //VK_F9
out_key = SAKI_F9;
break;
case 0x79 : //VK_F10
out_key = SAKI_F10;
break;
case 0x7A : //VK_F11
out_key = SAKI_F11;
break;
case 0x7B : //VK_F12
out_key = SAKI_F12;
break;
case 0x7C : //VK_F13
out_key = SAKI_F13;
break;
case 0x7D : //VK_F14
out_key = SAKI_F14;
break;
case 0x7E : //VK_F15
out_key = SAKI_F15;
break;
case 0x7F : //VK_F16
out_key = SAKI_F16;
break;
case 0x80 : //VK_F17
out_key = SAKI_F17;
break;
case 0x81 : //VK_F18
out_key = SAKI_F18;
break;
case 0x82 : //VK_F19
out_key = SAKI_F19;
break;
case 0x83 : //VK_F20
out_key = SAKI_F20;
break;
case 0x84 : //VK_F21
out_key = SAKI_F21;
break;
case 0x85 : //VK_F22
out_key = SAKI_F22;
break;
case 0x86 : //VK_F23
out_key = SAKI_F23;
break;
case 0x87 : //VK_F24
out_key = SAKI_F24;
break;
case 0x90 : //VK_NUMLOCK
out_key = SAKI_Numlock;
break;
case 0x91 : //VK_SCROLL
out_key = SAKI_ScrlLock;
break;
case 0xA0 : //VK_LSHIFT
out_key = SAKI_LeftShift;
break;
case 0xA1 : //VK_RSHIFT
out_key = SAKI_RightShift;
break;
case 0xA2 : //VK_LCONTROL
out_key = SAKI_LeftCtrl;
break;
case 0xA3 : //VK_RCONTROL
out_key = SAKI_RightCtrl;
break;
case 0xA4 : //VK_LMENU
out_key = SAKI_LeftAlt;
break;
case 0xA5 : //VK_RMENU
out_key = SAKI_RightCtrl;
break;
case 0xAD : //VK_VOLUME_MUTE
out_key = SAKI_VolumeMute;
break;
case 0xAE : //VK_VOLUME_DOWN
out_key = SAKI_VolumeDown;
break;
case 0xAF : //VK_VOLUME_UP
out_key = SAKI_VolumeUp;
break;
case 0xB0 : //VK_MEDIA_NEXT_TRACK
out_key = SAKI_MediaNext;
break;
case 0xB1 : //VK_MEDIA_PREV_TRACK
out_key = SAKI_MediaPrev;
break;
case 0xB2 : //VK_MEDIA_STOP
out_key = SAKI_MediaStop;
break;
case 0xB3 : //VK_MEDIA_PLAY_PAUSE
out_key = SAKI_MediaPlayPause;
break;
case 0xBB://VK_OEM_PLUS
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out_key = SAKI_Add;
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break;
case 0xBC://VK_OEM_COMMA
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out_key = SAKI_Comma;
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break;
case 0xBD://VK_OEM_MINUS
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out_key = SAKI_Minus;
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break;
case 0xBE://VK_OEM_PERIOD
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out_key = SAKI_Period;
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break;
case 0xBA://VK_OEM_1
break;
case 0xBF://VK_OEM_2
break;
case 0xC0://VK_OEM_3
break;
case 0xDB://VK_OEM_4
break;
case 0xDC://VK_OEM_5
break;
case 0xDD://VK_OEM_6
break;
case 0xDE://VK_OEM_7
break;
case 0xDF://VK_OEM_8
break;
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}
}
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bool Win32Keyboard::Create()
{
if(RegisterRawInputDevices(&this->device, 1, sizeof(RAWINPUTDEVICE)) == TRUE)
{
this->isActive = true;
return true;
}
return false;
}
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