public Editor(Theme theme)
{
InitializeComponent();
this.Theme = theme;
autoCompleter = new AutoCompleter();
runProgram = new RunProgram();
suggestionsBox.Font = EditorFont;
textBox.Font = EditorFont;
textBox.BackColor = Theme.BackColor;
textBox.ForeColor = Theme.ForeColor;
_supresstab = false;
}
private void textBox_TextChanged(object sender, EventArgs e)
{
if (_supresstab)
{
if (textBox.SelectionLength == 0 && textBox.Text[textBox.SelectionStart - 1] == '\t')
{
int oldpos = textBox.SelectionStart;
textBox.Text = textBox.Text.Remove(textBox.SelectionStart - 1, 1);
_supresstab = false;
textBox.SelectionStart = oldpos - 1;
return;
}
}
if (SyntaxHighlighter.canTokenize(textBox.Text))
{
if (Math.Abs(textBox.TextLength - _textlen) > 1)
{
SyntaxHighlighter.HighlightAll(textBox, Theme, 0, textBox.TextLength);
}
else
{
if (textBox.TextLength > 0 && textBox.GetLineFromCharIndex(textBox.SelectionStart) < textBox.Lines.Length && textBox.Lines[textBox.GetLineFromCharIndex(textBox.SelectionStart)].Length != 0)
{
SyntaxHighlighter.HighlightAll(textBox, Theme, textBox.GetFirstCharIndexOfCurrentLine(), textBox.Lines[textBox.GetLineFromCharIndex(textBox.SelectionStart)].Length);
}
}
autoCompleter.ScanForIdentifiers(textBox);
}
if (textBox.SelectionLength == 0)
{
string selected_text = AutoCompleter.SelectCurrentKeyword(textBox);
if (autoCompleter.IsKeyword(selected_text) || string.IsNullOrWhiteSpace(selected_text))
{
suggestionsBox.Hide();
}
else
{
suggestionsBox.Show();
Point newPt = textBox.GetPositionFromCharIndex(textBox.SelectionStart - 1);
suggestionsBox.Location = new Point(newPt.X, newPt.Y + 25);
suggestionsBox.Items.Clear();
suggestionsBox.Items.AddRange(autoCompleter.SearchForSuggestions(selected_text));
suggestionsBox.SelectedIndex = 0;
}
}
_textlen = textBox.TextLength;
}
private void textBox_KeyDown(object sender, KeyEventArgs e)
{
if (suggestionsBox.Visible && e.KeyCode == Keys.Up)
{
if (suggestionsBox.SelectedIndex > 0)
{
suggestionsBox.SelectedIndex--;
}
}
else if (suggestionsBox.Visible && e.KeyCode == Keys.Down)
{
if (suggestionsBox.SelectedIndex < suggestionsBox.Items.Count - 1)
{
suggestionsBox.SelectedIndex++;
}
}
else if (e.KeyCode == Keys.Left || e.KeyCode == Keys.Right || e.KeyCode == Keys.Up || e.KeyCode == Keys.Down)
{
suggestionsBox.Hide();
}
else if (e.KeyCode == Keys.Tab && prevKey != Keys.Tab && suggestionsBox.Visible)
{
AutoCompleter.CompleteCurrentKeyword(textBox, (string)suggestionsBox.SelectedItem);
_supresstab = true;
}
else if (e.KeyCode == Keys.F5)
{
startToolStripMenuItem_Click(sender, e);
}
else if (e.KeyCode == Keys.S && e.Control)
{
if (currentFileInfo == null)
{
saveAsToolStripMenuItem_Click(sender, e);
}
else
{
saveToolStripMenuItem_Click(sender, e);
}
}
prevKey = e.KeyCode;
}