/// <summary>
/// True if the binding is applicable to a text view
/// </summary>
private bool IsTextViewBinding(CommandKeyBinding binding)
{
switch (_scopeData.GetScopeKind(binding.KeyBinding.Scope))
{
case ScopeKind.TextEditor:
case ScopeKind.Global:
return(true);
default:
return(false);
}
}
/// <summary>
/// Get conflicting key bindings stored in our application settings
/// </summary>
private void GetKeyBindings()
{
// Construct a list of all fallback commands keys we had to unbind.
// We are only interested in the bindings scoped to text views and global.
_fallbackCommandList = _vimApplicationSettings.RemovedBindings
.Where(binding => IsTextViewBinding(binding))
.Select(binding => new FallbackCommand(
_scopeData.GetScopeKind(binding.KeyBinding.Scope),
KeyBinding.Parse(binding.KeyBinding.CommandString),
binding.Id
))
.ToLookup(fallbackCommand => fallbackCommand.KeyBindings[0].Char);
}
/// <summary>
/// Should this be skipped when removing conflicting bindings?
/// </summary>
internal bool ShouldSkip(CommandKeyBinding binding)
{
var scope = binding.KeyBinding.Scope;
if (!_includeAllScopes && (_scopeData.GetScopeKind(scope) == ScopeKind.Unknown || _scopeData.GetScopeKind(scope) == ScopeKind.SolutionExplorer))
{
return(true);
}
if (!binding.KeyBinding.KeyStrokes.Any())
{
return(true);
}
var first = binding.KeyBinding.FirstKeyStroke;
// We don't want to remove any mappings which don't include a modifier key
// because it removes too many mappings. Without this check we would for
// example remove Delete in insert mode, arrow keys for intellisense and
// general navigation, space bar for completion, etc ...
//
// One exception is function keys. They are only bound in Vim to key
// mappings and should win over VS commands since users explicitly
// want them to occur
if (first.KeyModifiers == VimKeyModifiers.None && !first.KeyInput.IsFunctionKey)
{
return(true);
}
// In Vim Ctrl+Shift+f is exactly the same command as ctrl+f. Vim simply ignores the
// shift key when processing a control command with an alpha character. Visual Studio
// though does differentiate. Ctrl+f is different than Ctrl+Shift+F. So don't
// process any alpha commands which have both Ctrl and Shift as Vim wouldn't
// ever hit them
if (char.IsLetter(first.Char) && first.KeyModifiers == (VimKeyModifiers.Shift | VimKeyModifiers.Control))
{
return(true);
}
return(false);
}