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#include <windows.h> |
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#include "keyboardState.hpp" |
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#include "sendInput.hpp" |
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#include "utils.hpp" |
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using namespace std ; |
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// ---------------------------------------------------------------------
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KeyboardState::KeyboardState( int flags ) |
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: mFlags( flags ) |
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{ } |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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KeyboardState |
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KeyboardState::getCurrKeyboardState() |
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{ |
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// get the current keyboard state
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int flags = 0 ; |
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if ( GetAsyncKeyState( VK_CONTROL ) < 0 ) |
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flags |= kmCtrl ; |
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if ( GetAsyncKeyState( VK_MENU ) < 0 ) |
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flags |= kmAlt ; |
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if ( GetAsyncKeyState( VK_SHIFT ) < 0 ) |
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flags |= kmShift ; |
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return KeyboardState( flags ) ; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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string |
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KeyboardState::asString() const |
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{ |
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// return the KeyboardState as a string
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static BitFlagsInfo stringTable[] = |
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{ |
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{ KeyboardState::kmCtrl , "Ctrl" } , |
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{ KeyboardState::kmAlt , "Alt" } , |
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{ KeyboardState::kmShift , "Shift" } , |
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{ -1 , NULL } , |
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} ; |
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return MAKE_STRING( bitFlagsString( stringTable , mFlags , '+' ) ) ; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool KeyboardState::isCtrlDown() const { return (mFlags & kmCtrl) != 0 ; } |
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bool KeyboardState::isAltDown() const { return (mFlags & kmAlt) != 0 ; } |
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bool KeyboardState::isShiftDown() const { return (mFlags & kmShift) != 0 ; } |
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bool KeyboardState::isAnythingDown() const { return (mFlags != 0) ; } |
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bool KeyboardState::operator==( const KeyboardState& rhs ) const { return mFlags == rhs.mFlags ; } |
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bool KeyboardState::operator!=( const KeyboardState& rhs ) const { return !operator==(rhs) ; } |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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ostream& |
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operator<<( ostream& os , const KeyboardState& keyboardState ) |
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{ |
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// insert the KeyboardState
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os << keyboardState.asString() ; |
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return os ; |
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} |
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// ---------------------------------------------------------------------
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KeyboardStateGuard::KeyboardStateGuard( CSendInput& rSendInput , const KeyboardState& newKeyboardState ) |
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: mrSendInput( rSendInput ) |
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, mPrevKeyboardState( KeyboardState::getCurrKeyboardState() ) |
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, mNewKeyboardState( newKeyboardState ) |
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{
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// set the keyboard state
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mrSendInput.setKeyboardState( newKeyboardState , mPrevKeyboardState ) ; |
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} |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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KeyboardStateGuard::~KeyboardStateGuard() |
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{ |
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// restore the previous keyboard state
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mrSendInput.setKeyboardState( mPrevKeyboardState , mNewKeyboardState ) ; |
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} |
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@ -0,0 +1,62 @@ |
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#ifndef KEYBOARDSTATE_HPP |
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#define KEYBOARDSTATE_HPP |
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#include <string> |
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#include <iosfwd> |
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class CSendInput ; |
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// ---------------------------------------------------------------------
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class KeyboardState |
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{ |
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// data types:
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public: |
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enum eKeyModifiers { kmCtrl=0x0001 , kmAlt=0x0002 , kmShift=0x0004 } ; |
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// constructors/destructor:
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public: |
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explicit KeyboardState( int flags ) ; |
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// access methods:
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public: |
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bool isCtrlDown() const ; |
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bool isAltDown() const ; |
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bool isShiftDown() const ; |
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bool isAnythingDown() const ; |
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std::string asString() const ; |
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// keyboard state methods:
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public: |
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static KeyboardState getCurrKeyboardState() ; |
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// operators:
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public: |
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bool operator==( const KeyboardState& rhs ) const ; |
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bool operator!=( const KeyboardState& rhs ) const ; |
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// data members:
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private: |
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int mFlags ; |
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} ; |
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// inserters:
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std::ostream& operator<<( std::ostream& , const KeyboardState& ) ; |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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struct KeyboardStateGuard |
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{ |
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KeyboardStateGuard( CSendInput& rSendInput , const KeyboardState& newKeyboardState ) ; |
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~KeyboardStateGuard() ; |
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private: |
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CSendInput& mrSendInput ; |
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KeyboardState mPrevKeyboardState ; |
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KeyboardState mNewKeyboardState ; |
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} ; |
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// ---------------------------------------------------------------------
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#endif // KEYBOARDSTATE_HPP
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