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feat: Update left right navigation.

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This commit is contained in:
rabbitism
2023-02-25 13:42:26 +08:00
parent f7763d6d30
commit f2e3e03ee7
1 changed files with 66 additions and 34 deletions
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100
src/Ursa/Controls/IPv4Box.cs
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@@ -172,43 +172,11 @@ public class IPv4Box: TemplatedControl
}
else if (e.Key == Key.Right )
{
if (_currentActivePresenter != null)
{
if (_currentActivePresenter.CaretIndex >= _currentActivePresenter.Text?.Length)
{
_currentActivePresenter.HideCaret();
MoveToNextPresenter(_currentActivePresenter, false);
_currentActivePresenter.SelectionStart = 0;
_currentActivePresenter.SelectionEnd = 0;
_currentActivePresenter?.ShowCaret();
}
else
{
_currentActivePresenter.ClearSelection();
_currentActivePresenter.CaretIndex++;
}
}
OnPressRightKey();
}
else if (e.Key == Key.Left)
{
if (_currentActivePresenter != null)
{
if (_currentActivePresenter.CaretIndex == 0)
{
_currentActivePresenter.HideCaret();
bool success = MoveToPreviousTextPresenter(_currentActivePresenter);
_currentActivePresenter.ShowCaret();
if (success)
{
_currentActivePresenter.MoveCaretToEnd();
}
}
else
{
_currentActivePresenter.ClearSelection();
_currentActivePresenter.CaretIndex--;
}
}
OnPressLeftKey();
}
else
{
@@ -376,6 +344,7 @@ public class IPv4Box: TemplatedControl
{
if (presenter is null) return false;
if (Equals(presenter, _fourthText)) return false;
presenter.ClearSelection();
if (Equals(presenter, _firstText)) _currentActivePresenter = _secondText;
else if (Equals(presenter, _secondText)) _currentActivePresenter = _thirdText;
else if (Equals(presenter, _thirdText)) _currentActivePresenter = _fourthText;
@@ -387,6 +356,7 @@ public class IPv4Box: TemplatedControl
{
if (presenter is null) return false;
if (Equals(presenter, _firstText)) return false;
presenter.ClearSelection();
if (Equals(presenter, _fourthText)) _currentActivePresenter = _thirdText;
else if (Equals(presenter, _thirdText)) _currentActivePresenter = _secondText;
else if (Equals(presenter, _secondText)) _currentActivePresenter = _firstText;
@@ -451,6 +421,62 @@ public class IPv4Box: TemplatedControl
presenter.Text = newText;
}
}
private void OnPressRightKey()
{
if (_currentActivePresenter is null) return;
if (_currentActivePresenter.IsTextSelected())
{
int end = _currentActivePresenter.SelectionEnd;
_currentActivePresenter.ClearSelection();
_currentActivePresenter.MoveCaretToTextPosition(end);
return;
}
if (_currentActivePresenter.CaretIndex >= _currentActivePresenter.Text?.Length)
{
_currentActivePresenter.HideCaret();
bool success = MoveToNextPresenter(_currentActivePresenter, false);
_currentActivePresenter.ClearSelection();
_currentActivePresenter.ShowCaret();
if (success)
{
_currentActivePresenter.MoveCaretToStart();
}
}
else
{
_currentActivePresenter.ClearSelection();
_currentActivePresenter.CaretIndex++;
}
}
private void OnPressLeftKey()
{
if (_currentActivePresenter is null) return;
if (_currentActivePresenter.IsTextSelected())
{
int start = _currentActivePresenter.SelectionStart;
_currentActivePresenter.ClearSelection();
_currentActivePresenter.MoveCaretToTextPosition(start);
return;
}
if (_currentActivePresenter.CaretIndex == 0)
{
_currentActivePresenter.HideCaret();
bool success = MoveToPreviousTextPresenter(_currentActivePresenter);
_currentActivePresenter.ClearSelection();
_currentActivePresenter.ShowCaret();
if (success)
{
_currentActivePresenter.MoveCaretToEnd();
}
}
else
{
_currentActivePresenter.ClearSelection();
_currentActivePresenter.CaretIndex--;
}
}
}
public static class TextPresenterHelper
@@ -500,4 +526,10 @@ public static class TextPresenterHelper
presenter.MoveCaretToTextPosition(start);
}
}
public static bool IsTextSelected(this TextPresenter? presenter)
{
if (presenter is null) return false;
return presenter.SelectionStart != presenter.SelectionEnd;
}
}