Allow Caps Lock to be used as a key modifier.

MainApp/AppConfig.cs

@@ -18,7 +18,7 @@ namespace MouseInterception
         // alignment issues. It's safer to send through a separate array for each type of struct, and then
         // elements specify which ones they want via a start index and item count. Sigh...
 
-        public enum KeyModifiers { ctrl=0x0001 , alt=0x0002 , shift=0x0004 }
+        public enum KeyModifiers { ctrl=0x0001 , alt=0x0002 , shift=0x0004 , caps=0x0008 }
 
         // --- SETTINGS: application settings ---
         [StructLayout( LayoutKind.Sequential , CharSet=CharSet.Unicode , Pack=1 )]

MouseDll/keyboardState.cpp

@@ -25,6 +25,8 @@ KeyboardState::getCurrKeyboardState()
         flags |= kmAlt ;
     if ( GetAsyncKeyState( VK_SHIFT ) < 0 )
         flags |= kmShift ;
+    if ( GetAsyncKeyState( VK_CAPITAL ) < 0 )
+        flags |= kmCapsLock ;
     return KeyboardState( flags ) ;
 }
 
@@ -39,6 +41,7 @@ KeyboardState::asString() const
         { KeyboardState::kmCtrl , "Ctrl" } ,
         { KeyboardState::kmAlt , "Alt" } ,
         { KeyboardState::kmShift , "Shift" } ,
+        { KeyboardState::kmCapsLock , "CapsLock" } ,
         { -1 , NULL } ,
     } ;
     return MAKE_STRING( bitFlagsString( stringTable , mFlags , '+' ) ) ;
@@ -49,6 +52,7 @@ KeyboardState::asString() const
 bool KeyboardState::isCtrlDown() const { return (mFlags & kmCtrl) != 0 ; }
 bool KeyboardState::isAltDown() const { return (mFlags & kmAlt) != 0 ; }
 bool KeyboardState::isShiftDown() const { return (mFlags & kmShift) != 0 ; }
+bool KeyboardState::isCapsLockDown() const { return (mFlags & kmCapsLock) != 0 ; }
 bool KeyboardState::isAnythingDown() const { return (mFlags != 0) ; }
 
 bool KeyboardState::operator==( const KeyboardState& rhs ) const { return mFlags == rhs.mFlags ; }

MouseDll/keyboardState.hpp

@@ -13,7 +13,7 @@ class KeyboardState
 
 // data types:
 public:
-    enum eKeyModifiers { kmCtrl=0x0001 , kmAlt=0x0002 , kmShift=0x0004 } ;
+    enum eKeyModifiers { kmCtrl=0x0001 , kmAlt=0x0002 , kmShift=0x0004 , kmCapsLock=0x0008 } ;
 
 // constructors/destructor:
 public:
@@ -24,6 +24,7 @@ public:
     bool isCtrlDown() const ;
     bool isAltDown() const ;
     bool isShiftDown() const ;
+    bool isCapsLockDown() const ;
     bool isAnythingDown() const ;
     std::string asString() const ;
 

MouseDll/sendInput.cpp

@@ -37,6 +37,12 @@ CSendInput::setKeyboardState( const KeyboardState& newKeyboardState , const Keyb
         sendKeyboardInput( VK_SHIFT , true ) ;
     else if ( !newKeyboardState.isShiftDown() && currKeyboardState.isShiftDown() )
         sendKeyboardInput( VK_SHIFT , false ) ;
+
+    // set the new keyboard state
+    if ( newKeyboardState.isCapsLockDown() && !currKeyboardState.isCapsLockDown() )
+        sendKeyboardInput( VK_CAPITAL , true ) ;
+    else if ( !newKeyboardState.isCapsLockDown() && currKeyboardState.isCapsLockDown() )
+        sendKeyboardInput( VK_CAPITAL , false ) ;
 }
 
 // ---------------------------------------------------------------------