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#include "sendInput.hpp" |
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#include "globals.hpp" |
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using namespace std ; |
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// --- CONSTRUCTORS ----------------------------------------------------
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CSendInput::CSendInput() |
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{ |
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} |
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// --- DESTRUCTOR ------------------------------------------------------
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CSendInput::~CSendInput() |
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{ |
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} |
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// ---------------------------------------------------------------------
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void |
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CSendInput::sendKeyboardInput( WORD keyCode , bool keyDown , int keyModifiers ) |
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{ |
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// send the keyboard input
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INPUT inputRec ; |
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memset( &inputRec , 0 , sizeof(INPUT) ) ; |
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inputRec.type = INPUT_KEYBOARD ; |
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inputRec.ki.wVk = keyCode ; |
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if ( ! keyDown ) |
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inputRec.ki.dwFlags |= KEYEVENTF_KEYUP ; |
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doSendInput( &inputRec , keyModifiers ) ; |
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} |
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// ---------------------------------------------------------------------
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void |
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CSendInput::sendMouseMoveInput( int dx , int dy , int keyModifiers ) |
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{ |
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// send the mouse movement input
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INPUT inputRec ; |
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memset( &inputRec , 0 , sizeof(INPUT) ) ; |
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inputRec.type = INPUT_MOUSE ; |
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inputRec.mi.dx = dx ; |
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inputRec.mi.dy = dy ; |
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inputRec.mi.dwFlags = MOUSEEVENTF_MOVE ; |
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doSendInput( &inputRec , keyModifiers ) ; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void |
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CSendInput::sendWheelInput( int scrollSize , int keyModifiers ) |
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{ |
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// send the mouse-wheel input
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INPUT inputRec ; |
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memset( &inputRec , 0 , sizeof(INPUT) ) ; |
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inputRec.type = INPUT_MOUSE ; |
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inputRec.mi.dwFlags = MOUSEEVENTF_WHEEL ; |
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inputRec.mi.mouseData = scrollSize ; // FIXME! s.b. dwData for vista
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doSendInput( &inputRec , keyModifiers ) ; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void |
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CSendInput::sendHorzWheelInput( int scrollSize , int keyModifiers ) |
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{ |
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// send the mouse-wheel input
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INPUT inputRec ; |
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memset( &inputRec , 0 , sizeof(INPUT) ) ; |
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inputRec.type = INPUT_MOUSE ; |
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inputRec.mi.dwFlags = MOUSEEVENTF_HWHEEL ; |
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inputRec.mi.mouseData = scrollSize ; // FIXME! s.b. dwData for vista
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doSendInput( &inputRec , keyModifiers ) ; |
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} |
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// ---------------------------------------------------------------------
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void |
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CSendInput::doSendInput( INPUT* pInputRec , int keyModifiers ) |
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{ |
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// set the keyboard state
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bool isCtrlDown , isAltDown , isShiftDown ; |
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if ( keyModifiers >= 0 ) |
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{ |
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getKeyboardState( &isCtrlDown , &isAltDown , &isShiftDown ) ; |
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if ( (keyModifiers & kmCtrl) && !isCtrlDown ) |
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sendKeyboardInput( VK_CONTROL , true , -1 ) ; |
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else if ( !(keyModifiers & kmCtrl) && isCtrlDown ) |
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sendKeyboardInput( VK_CONTROL , false , -1 ) ; |
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if ( (keyModifiers & kmAlt) && !isAltDown ) |
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sendKeyboardInput( VK_MENU , true , -1 ) ; |
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else if ( !(keyModifiers & kmAlt) && isAltDown ) |
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sendKeyboardInput( VK_MENU , false , -1 ) ; |
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if ( (keyModifiers & kmShift) && !isShiftDown ) |
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sendKeyboardInput( VK_SHIFT , true , -1 ) ; |
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else if ( !(keyModifiers & kmShift) && isShiftDown ) |
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sendKeyboardInput( VK_SHIFT , false , -1 ) ; |
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} |
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// log the input
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if ( isLoggingEnabled( "sendInput" ) ) |
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{ |
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if ( pInputRec->type == INPUT_MOUSE ) |
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{ |
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LOG_MSG( |
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"SEND INPUT (mouse):" |
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<< " dx=" << pInputRec->mi.dx << " ; dy=" << pInputRec->mi.dy |
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<< " ; mouseData=" << (int)pInputRec->mi.mouseData |
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<< " ; flags=0x" << hexString(pInputRec->mi.dwFlags) |
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) ; |
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} |
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else if ( pInputRec->type == INPUT_KEYBOARD ) |
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{ |
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LOG_MSG( |
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"SEND INPUT (keyboard):" |
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<< " vkey=" << pInputRec->ki.wVk << " ; scan=" << pInputRec->ki.wScan |
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<< " ; flags=0x" << hexString(pInputRec->ki.dwFlags) |
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) ; |
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} |
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else |
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assert( false ) ; |
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} |
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// send the input
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// NOTE: The documentation says that we can send multiple events at once, and they will be guaranteed
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// to not have other events interspersed between them, but things don't work :-( and the only way
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// I could get it to work was to send events one at a time, with a (non-zero) sleep between them.
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// Maybe because we're manipulating the Ctrl/Alt/Shift keys...?
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UINT nEventRecs = SendInput( 1 , pInputRec , sizeof(INPUT) ) ; |
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assert( nEventRecs == 1 ) ; |
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Sleep( 5 ) ; |
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// restore the keyboard state
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if ( keyModifiers >= 0 ) |
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{ |
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if ( (keyModifiers & kmShift) && !isShiftDown ) |
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sendKeyboardInput( VK_SHIFT , false , -1 ) ; |
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else if ( !(keyModifiers & kmShift) && isShiftDown ) |
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sendKeyboardInput( VK_SHIFT , true , -1 ) ; |
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if ( (keyModifiers & kmAlt) && !isAltDown ) |
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sendKeyboardInput( VK_MENU , false , -1 ) ; |
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else if ( !(keyModifiers & kmAlt) && isAltDown ) |
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sendKeyboardInput( VK_MENU , true , -1 ) ; |
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if ( (keyModifiers & kmCtrl) && !isCtrlDown ) |
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sendKeyboardInput( VK_CONTROL , false , -1 ) ; |
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else if ( !(keyModifiers & kmCtrl) && isCtrlDown ) |
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sendKeyboardInput( VK_CONTROL , true , -1 ) ; |
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} |
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} |
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// ---------------------------------------------------------------------
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void |
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CSendInput::getKeyboardState( bool* pIsCtrlDown , bool* pIsAltDown , bool* pIsShiftDown ) |
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{ |
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// get the keyboard state
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*pIsCtrlDown = GetAsyncKeyState( VK_CONTROL ) < 0 ; |
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*pIsAltDown = GetAsyncKeyState( VK_MENU ) < 0 ; |
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*pIsShiftDown = GetAsyncKeyState( VK_SHIFT ) < 0 ; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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int |
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CSendInput::getKeyboardState() |
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{ |
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// get the keyboard state
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bool isCtrlDown , isAltDown , isShiftDown ; |
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getKeyboardState( &isCtrlDown , &isAltDown , &isShiftDown ) ; |
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return (isCtrlDown ? kmCtrl : 0) | (isAltDown ? kmAlt : 0) | (isShiftDown ? kmShift : 0 ) ; |
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} |
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@ -0,0 +1,37 @@ |
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#ifndef SENDINPUT_HPP |
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#define SENDINPUT_HPP |
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#include <windows.h> |
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#include "utils.hpp" |
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// ---------------------------------------------------------------------
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class CSendInput |
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{ |
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// constructors/destructor:
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public: |
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CSendInput() ; |
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~CSendInput() ; |
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DISABLE_COPY_ASSIGNMENT( CSendInput ) ; |
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// input methods:
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public: |
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void sendKeyboardInput( WORD keyCode , bool keyDown , int keyModifiers ) ; |
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void sendMouseMoveInput( int dx , int dy , int keyModifiers ) ; |
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void sendWheelInput( int scrollSize , int keyModifiers ) ; |
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void sendHorzWheelInput( int scrollSize , int keyModifiers ) ; |
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protected: |
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void doSendInput( INPUT* pInputRec , int keyModifiers ) ; |
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// miscellaneous methods:
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public: |
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static void getKeyboardState( bool* pIsCtrlDown , bool* pIsAltDown , bool* pIsShiftDown ) ; |
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static int getKeyboardState() ; |
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} ; |
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// ---------------------------------------------------------------------
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#endif // SENDINPUT_HPP
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