public static int TranslateVirtualKey(int virtualKey, KeyboardHook.ModifierKeys modifierKeys)
{
if (KeyTranslationTable.ContainsKey(virtualKey))
{
return(KeyTranslationTable[virtualKey]);
}
// Windows sends the uppercase letter when the user presses a hotkey
// like Ctrl-A. ToAscii takes into effect the keyboard layout and
// state of the modifier keys. This will give us the lowercase letter
// unless the user is also pressing Shift.
var keyboardState = new byte[256];
if (!NativeMethods.GetKeyboardState(keyboardState))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
keyboardState[NativeMethods.VK_CONTROL] = 0;
keyboardState[NativeMethods.VK_LCONTROL] = 0;
keyboardState[NativeMethods.VK_RCONTROL] = 0;
keyboardState[NativeMethods.VK_MENU] = 0;
keyboardState[NativeMethods.VK_LMENU] = 0;
keyboardState[NativeMethods.VK_RMENU] = 0;
keyboardState[NativeMethods.VK_LWIN] = 0;
keyboardState[NativeMethods.VK_RWIN] = 0;
var charResult = new byte[2];
var charCount = NativeMethods.ToAscii(virtualKey, NativeMethods.MapVirtualKey(virtualKey, 0), keyboardState, charResult, 0);
// TODO: This could probably be handled better. For now, we'll just return the last character.
return(charCount > 0 ? Convert.ToInt32(charResult[charCount - 1]) : virtualKey);
}
private void SyncModifierKeyState(KeyboardHook.ModifierKeys modifierKeys)
{
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftShift) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftShift))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Shift_L,
(modifierKeys & KeyboardHook.ModifierKeys.LeftShift) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightShift) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightShift))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Shift_R,
(modifierKeys & KeyboardHook.ModifierKeys.RightShift) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftControl) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftControl))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Control_L,
(modifierKeys & KeyboardHook.ModifierKeys.LeftControl) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightControl) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightControl))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Control_R,
(modifierKeys & KeyboardHook.ModifierKeys.RightControl) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftAlt) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftAlt))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Alt_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftAlt) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightAlt) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightAlt))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Alt_R, (modifierKeys & KeyboardHook.ModifierKeys.RightAlt) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftWin) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftWin))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Super_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftWin) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightWin) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightWin))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Super_R,
(modifierKeys & KeyboardHook.ModifierKeys.RightWin) != 0);
}
PreviousModifierKeyState = modifierKeys;
}
private void LoadConfigurationAndRefreshComponents(Configuration configuration)
{
m_indentedFormattingModifierKeys = configuration.IndentedFormattingConversionHotKeyModifierKey;
m_indentedFormattingMainKeys = configuration.IndentedFormattingConversionHotKeyMainKey;
m_compactFormattingModifierKeys = configuration.CompactFormattingConversionHotKeyModifierKey;
m_compactFormattingMainKeys = configuration.CompactFormattingConversionHotKeyMainKey;
m_displaySuccessMessageEnabled = configuration.DisplaySuccessNotificationEnabled;
m_waitWindowReadyMs = configuration.WaitWindowReadyMs;
m_previousWaitWindowReadyMs = m_waitWindowReadyMs;
IndentedFormattingModifierKeyBindingTextBox.Text = m_indentedFormattingModifierKeys.ToString();
IndentedFormattingMainKeyBindingTextBox.Text = m_indentedFormattingMainKeys.ToString();
CompactFormattingModifierKeyBindingTextBox.Text = m_compactFormattingModifierKeys.ToString();
CompactFormattingMainKeyBindingTextBox.Text = m_compactFormattingMainKeys.ToString();
DisplaySuccessNotificationEnabled.Checked = m_displaySuccessMessageEnabled;
TimeWaitingMs.Text = m_waitWindowReadyMs.ToString();
}
protected bool HandleKeyboardEvent(Int32 msg, Int32 virtualKey, KeyboardHook.ModifierKeys modifierKeys)
{
if (DesignMode || !IsConnected)
{
return(false);
}
if (modifierKeys != PreviousModifierKeyState)
{
SyncModifierKeyState(modifierKeys);
}
if (IsModifierKey(virtualKey))
{
return(true);
}
Boolean pressed;
switch (msg)
{
case Win32.WM_KEYDOWN:
case Win32.WM_SYSKEYDOWN:
pressed = true;
break;
case Win32.WM_KEYUP:
case Win32.WM_SYSKEYUP:
pressed = false;
break;
default:
return(false);
}
vnc.WriteKeyboardEvent(Convert.ToUInt32(TranslateVirtualKey(virtualKey, modifierKeys)), pressed);
return(true);
}
private void UpdatingHook(ref KeyboardHook hook, EventHandler <KeyPressedEventArgs> handler, KeyboardHook.ModifierKeys modifierKeys, Keys mainKeys)
{
if (modifierKeys == KeyboardHook.ModifierKeys.None || mainKeys == Keys.None)
{
return;
}
if (hook != null)
{
hook.Dispose();
}
hook = new KeyboardHook();
hook.RegisterHotKey(modifierKeys, mainKeys);
hook.KeyPressed += handler;
}
internal KeyPressedEventArgs(KeyboardHook.ModifierKeys modifier, Keys key)
{
_modifier = modifier;
_key = key;
}
protected void SyncModifierKeyState(KeyboardHook.ModifierKeys modifierKeys)
{
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftShift) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftShift))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Shift_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftShift) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightShift) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightShift))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Shift_R, (modifierKeys & KeyboardHook.ModifierKeys.RightShift) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftControl) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftControl))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Control_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftControl) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightControl) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightControl))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Control_R, (modifierKeys & KeyboardHook.ModifierKeys.RightControl) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftAlt) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftAlt))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Alt_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftAlt) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightAlt) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightAlt))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Alt_R, (modifierKeys & KeyboardHook.ModifierKeys.RightAlt) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftWin) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftWin))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Super_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftWin) != 0);
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightWin) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightWin))
vnc.WriteKeyboardEvent(RfbProtocol.XK_Super_R, (modifierKeys & KeyboardHook.ModifierKeys.RightWin) != 0);
PreviousModifierKeyState = modifierKeys;
}
