/// <summary>
/// Show a listbox with possible completions for the uncompleted string.
/// When the user chooses one and presses enter (or clicks it with the mouse),
/// return the chosen completion. Or, when the user presses escape, then
/// close the window and return null.
/// </summary>
public string ShowTooltip(string uncompleted, IEnumerable<string> completions, IEnumerable<string> documentations,Point location)
{
_lstCompletions = new ListBox();
_lstCompletions.ScrollAlwaysVisible = true;
_lstCompletions.Items.AddRange(completions.ToArray());
_lstCompletions.SelectionMode = SelectionMode.One;
_lstCompletions.AutoSize = false;
_lstCompletions.SelectedIndexChanged += new EventHandler(selectedIndexChanged);
_lstCompletions.Click += new EventHandler(lstCompletionsClicked);
int maxWidth = 0;
for (int i = 0; i < _lstCompletions.Items.Count; i++)
{
if (_lstCompletions.GetItemRectangle(i).Width > maxWidth)
maxWidth = _lstCompletions.GetItemRectangle(i).Width;
}
_lstCompletions.Width = maxWidth;
if (_lstCompletions.Items.Count > 0)
_lstCompletions.Height = _lstCompletions.GetItemHeight(0) * 10;
_documentations = documentations;
_lblDocumentation = new TextBox();
_lblDocumentation.WordWrap = true;
_lblDocumentation.Width = _lstCompletions.Width;
_lblDocumentation.BackColor = SystemColors.ControlLight;
if (_documentations!=null && _documentations.Count() > 0)
_lblDocumentation.Text = _documentations.ElementAt(0);
_lblDocumentation.ScrollBars = ScrollBars.Vertical;
_lblDocumentation.Multiline = true;
_lblDocumentation.AutoSize = true;
_lblDocumentation.Height = 100;
_lblDocumentation.ReadOnly = true;
_dialog = new CompletionToolTipWindow(_lstCompletions,_lblDocumentation);
_dialog.KeyDown += new KeyEventHandler(dialog_KeyDown);
_dialog.Location = location;
_dialog.KeyPreview = true;
_dialog.ShowDialog();
if (_cancel || _lstCompletions.SelectedIndex < 0)
return null;
return (string)_lstCompletions.SelectedItem;
}
/// <summary>
/// The item insert.
/// </summary>
/// <param name="lb">The lb.</param>
/// <param name="itemToInsert">The item to insert.</param>
/// <param name="position">The position.</param>
/// <remarks></remarks>
private void itemInsert(ListBox lb, object itemToInsert, Point position)
{
int totalHeight = 0;
int itemNum = -1;
do
{
totalHeight += lb.GetItemHeight(++itemNum);
}
while (position.Y > totalHeight && itemNum < lb.Items.Count - 1);
itemNum += lbMapListing.TopIndex;
if (itemNum >= lb.Items.Count)
{
itemNum = lb.Items.Count - 1;
}
if (lb.Items[itemNum] != itemToInsert)
{
int oldPos = lb.Items.IndexOf(itemToInsert);
if (oldPos < itemNum)
{
lb.Items.Insert(itemNum + 1, itemToInsert);
lb.Items.RemoveAt(oldPos);
currentLevels.Insert(itemNum + 1, currentLevels[oldPos]);
currentLevels.RemoveAt(oldPos);
}
else
{
lb.Items.Insert(itemNum, itemToInsert);
lb.Items.RemoveAt(oldPos + 1);
currentLevels.Insert(itemNum, currentLevels[oldPos]);
currentLevels.RemoveAt(oldPos + 1);
}
lb.SelectedItem = itemToInsert;
}
}