// Spell Check
private void SpellCheckSuggestions(ContextMenu contextMenu)
{
if (SpellCheckProvider != null)
{
int offset;
if (_appsKeyDown || IsAlternateAppsKeyShortcut)
{
_appsKeyDown = false;
offset = EditBox.SelectionStart;
}
else
{
var editorPosition = EditBox.GetPositionFromPoint(Mouse.GetPosition(EditBox));
if (!editorPosition.HasValue)
{
return;
}
offset = EditBox.Document.GetOffset(editorPosition.Value.Line, editorPosition.Value.Column);
}
var errorSegments = SpellCheckProvider.GetSpellCheckErrors();
var misspelledSegment = errorSegments.FirstOrDefault(segment => segment.StartOffset <= offset && segment.EndOffset >= offset);
if (misspelledSegment == null)
{
return;
}
// check if the clicked offset is the beginning or end of line to prevent snapping to it
// (like in text selection) with GetPositionFromPoint
// in practice makes context menu not show when clicking on the first character of a line
var currentLine = EditBox.Document.GetLineByOffset(offset);
if (offset == currentLine.Offset || offset == currentLine.EndOffset)
{
return;
}
var misspelledText = EditBox.Document.GetText(misspelledSegment);
var suggestions = SpellCheckProvider.GetSpellCheckSuggestions(misspelledText);
foreach (var item in suggestions)
{
contextMenu.Items.Add(SpellSuggestMenuItem(item, misspelledSegment));
}
contextMenu.Items.Add(new MenuItem
{
Header = "Add to Dictionary",
Command = EditingCommands.IgnoreSpellingError,
CommandParameter = misspelledText
});
contextMenu.Items.Add(new Separator());
}
}
void EditorContextMenuOpening(object sender, ContextMenuEventArgs e)
{
// don't show menu if we bail out with return
e.Handled = true;
if (SpellCheckProvider == null)
{
return;
}
// Bail out if the mouse isn't over the markdownEditor
var editorPosition = Editor.GetPositionFromPoint(Mouse.GetPosition(Editor));
if (!editorPosition.HasValue)
{
return;
}
var offset = Editor.Document.GetOffset(editorPosition.Value.Line, editorPosition.Value.Column);
var errorSegments = SpellCheckProvider.GetSpellCheckErrors();
var misspelledSegment = errorSegments.FirstOrDefault(segment => segment.StartOffset <= offset && segment.EndOffset >= offset);
if (misspelledSegment == null)
{
return;
}
// check if the clicked offset is the beginning or end of line to prevent snapping to it (like in text selection) with GetPositionFromPoint
// in practice makes context menu not show when clicking on the first character of a line
var currentLine = Document.GetLineByOffset(offset);
if (offset == currentLine.Offset || offset == currentLine.EndOffset)
{
return;
}
var misspelledWord = editor.Document.GetText(misspelledSegment);
var contextMenuItems = new List <object>(SpellCheckProvider.GetSpellcheckSuggestions(misspelledWord));
contextMenuItems.Add(new Separator());
contextMenuItems.Add(new DelegateCommand("Add to dictionary", obj =>
{
SpellCheckProvider.AddWordToCustomDictionary(misspelledWord);
Editor.TextArea.TextView.Redraw();
}));
EditorContextMenu.ItemsSource = contextMenuItems;
EditorContextMenu.Tag = misspelledSegment;
e.Handled = false;
}