private void EraseShortcut(Keys shortcut)
{
// If the shortcut already exists then erase it.
if (m_shortcuts.ContainsKey(shortcut))
{
object existingCommandTag = m_shortcuts[shortcut];
if (m_commandsById.ContainsKey(existingCommandTag))
{
CommandInfo existingInfo = m_commandsById[existingCommandTag];
existingInfo.RemoveShortcut(shortcut);
m_shortcuts.Remove(shortcut);
}
}
}
/// <summary>
/// Sets shortcut</summary>
/// <param name="shortcut">Shortcut keys</param>
/// <param name="info">CommandInfo corresponding to shortcut keys</param>
/// <remarks>Keeps m_shortcuts field, the menu item, and the CommandInfo in sync with regards to shortcuts
/// and ensures that each shortcut is unique</remarks>
protected void SetShortcut(Keys shortcut, CommandInfo info)
{
shortcut = KeysUtil.NumPadToNum(shortcut);
// if shortcut is reserved then do not set it.
if (m_reservedKeys.ContainsKey(shortcut))
{
Outputs.WriteLine(OutputMessageType.Warning, "cannot assign " + KeysUtil.KeysToString(shortcut, true) +
" to " + GetCommandPath(info) + " it is reserved for " + m_reservedKeys[shortcut]);
info.RemoveShortcut(shortcut);
// erase shortcut if exist.
EraseShortcut(shortcut);
return;
}
info.AddShortcut(shortcut);
if (shortcut != Keys.None)
{
// If the shortcut already exists for a different command, then erase the old commands's shortcut.
if (m_shortcuts.ContainsKey(shortcut) &&
m_shortcuts[shortcut] != info.CommandTag)
{
object existingCommandTag = m_shortcuts[shortcut];
if (m_commandsById.ContainsKey(existingCommandTag))
{
CommandInfo existingInfo = m_commandsById[existingCommandTag];
existingInfo.RemoveShortcut(shortcut);
}
}
m_shortcuts[shortcut] = info.CommandTag;
}
}