// is_rhs indicates if this is an expression (right hand side) where no procedure calls may occur
public static bool Complete_Suggestion(
System.Windows.Forms.TextBox textbox,
int kind,
string current_suggestion,
ref interpreter.suggestion_result suggestion_result)
{
int location;
int paren_location;
bool Handled = false;
suggestion_result = interpreter_pkg.suggestion(textbox.Text, kind);
if ((current_suggestion != null) &&
current_suggestion != "" &&
textbox.Text.Length > 1 &&
textbox.Text[textbox.Text.Length - 1] != ')' &&
// how can I fix this? I don't want to complete if I'm in the bolded suggestion
(suggestion_result.bold_start < 0 ||
suggestion_result.bold_finish < suggestion_result.bold_start ||
current_suggestion_line != 0))
{
// if we're inside the parens-- don't bother
Handled = true;
location = textbox.Text.Length - 1;
while ((location > 0) &&
(Char.IsLetterOrDigit(textbox.Text, location) ||
textbox.Text[location] == '_'))
{
location--;
}
// ok, so now from location to end will be replaced by
// the suggestion up to the parenthesis
paren_location = current_suggestion.IndexOf("(");
if (paren_location < 0)
{
paren_location = current_suggestion.Length;
}
// we've got no () to do and are at the end.
if (textbox.Text.Length - location >= current_suggestion.Length)
{
return(false);
}
if (location == 0)
{
textbox.Text =
current_suggestion.Substring(0, paren_location);
}
else
{
textbox.Text =
textbox.Text.Substring(0, location + 1) +
current_suggestion.Substring(0, paren_location);
}
textbox.SelectionStart =
textbox.Text.Length;
textbox.SelectionLength = 0;
}
return(Handled);
}
public static void Check_Hint(
System.Windows.Forms.TextBox textbox,
System.Windows.Forms.RichTextBox textBox1,
int kind,
ref string current_suggestion,
ref interpreter.suggestion_result suggestion_result,
ref bool error,
System.Drawing.Font this_Font
)
{
// collapse into a single line
if (textbox.Lines.Length > 1)
{
textbox.Text = textbox.Lines[0] + textbox.Lines[1];
textbox.Select(textbox.Text.Length, 0);
}
suggestion_result = interpreter_pkg.suggestion(textbox.Text, kind);
have_bold = suggestion_result.bold_start > 0 &&
suggestion_result.bold_finish >= suggestion_result.bold_start;
if (have_bold)
{
string[] copy = new string[suggestion_result.suggestions.Length - 1];
for (int k = 1; k < suggestion_result.suggestions.Length; k++)
{
copy[k - 1] = suggestion_result.suggestions[k];
}
Array.Sort(copy);
for (int k = 1; k < suggestion_result.suggestions.Length; k++)
{
suggestion_result.suggestions[k] = copy[k - 1];
}
}
else
{
Array.Sort(suggestion_result.suggestions);
}
if (!Component.MONO)
{
textBox1.Lines = suggestion_result.suggestions;
}
else
{
textBox1.Lines = addNewlines(suggestion_result.suggestions);
}
textBox1.SelectAll();
textBox1.SelectionColor = System.Drawing.Color.Black;
// if the current suggestion is unavailable, switch to the first one
if (suggestion_result.suggestions.Length == 0)
{
current_suggestion = "";
current_suggestion_line = -1;
textBox1.Hide();
}
else
{
if (suggestion_result.suggestions.Length > 1)
{
int loc;
if (current_suggestion != null)
{
try
{
loc = textBox1.Find(current_suggestion);
}
catch
{
loc = -1;
}
}
else
{
loc = -1;
}
if (loc < 0 && !have_bold)
{
current_suggestion = suggestion_result.suggestions[0];
current_suggestion_line = 0;
}
else if (loc <= 0 && have_bold)
{
current_suggestion = suggestion_result.suggestions[1];
current_suggestion_line = 1;
}
int index;
try
{
index = textBox1.Find(current_suggestion);
current_suggestion_line = textBox1.GetLineFromCharIndex(index);
textBox1.Select(index,
current_suggestion.Length);
}
catch
{
}
textBox1.SelectionColor = System.Drawing.Color.Red;
error = false;
textBox1.Show();
}
else if (suggestion_result.suggestions.Length == 1)
{
current_suggestion = suggestion_result.suggestions[0];
current_suggestion_line = 0;
try
{
textBox1.Select(textBox1.Find(current_suggestion),
current_suggestion.Length);
if (have_bold)
{
textBox1.SelectionColor = System.Drawing.Color.Black;
}
else
{
textBox1.SelectionColor = System.Drawing.Color.Red;
}
}
catch
{
}
}
if (have_bold)
{
textBox1.Select(suggestion_result.bold_start - 1, suggestion_result.bold_finish - suggestion_result.bold_start + 1);
textBox1.SelectionFont = new Font(this_Font, FontStyle.Bold);
textBox1.Select(0, textBox1.Lines[0].Length);
textBox1.SelectionColor = System.Drawing.Color.Black;
}
error = false;
textBox1.Show();
}
}
