private void Watcher_Changed(object sender, FileSystemEventArgs e)
{
lock (ThreadLock)
{
Timer.Restart();
if (!Waiting)
{
Waiting = true;
BeforeChange?.Invoke(this, e);
Task.Run(() => {
while (true)
{
lock (ThreadLock)
{
Waiting = true;
if (Timer.ElapsedMilliseconds >= Threshold)
{
break;
}
}
Thread.Sleep(1);
}
Waiting = false;
AfterChange?.Invoke(this, e);
});
}
}
}
private void onSuggestionListClick(object sender, EventArgs e)
{
//Text = m_list.SelectedItems[0].Text;
//Select(0, Text.Length);
m_fromKeyboard = false;
hideDropDown();
if (AfterChange != null)
{
AfterChange.Invoke(this, e);
}
}
/// <summary>
/// if the dropdown is visible some keystrokes
/// should behave in a custom way
/// </summary>
protected override void OnKeyDown(KeyEventArgs e)
{
m_fromKeyboard = true;
if (!m_dropDown.Visible || m_list.Items.Count == 0)
{
base.OnKeyDown(e);
return;
}
switch (e.KeyCode)
{
case Keys.Down:
if (m_list.SelectedItems.Count == 0)
{
m_list.Items[0].Selected = true;
m_list.Items[0].EnsureVisible();
}
else if (m_list.SelectedIndices[0] < m_list.Items.Count - 1)
{
m_list.Items[m_list.SelectedIndices[0] + 1].Selected = true;
m_list.Items[m_list.SelectedIndices[0]].EnsureVisible();
}
else
{
m_list.Items[0].Selected = true;
m_list.Items[0].EnsureVisible();
}
break;
case Keys.Up:
if (m_list.SelectedIndices.Count > 0)
{
m_list.Items[m_list.SelectedIndices[0] - 1].Selected = true;
m_list.Items[m_list.SelectedIndices[0]].EnsureVisible();
}
else if (m_list.Items.Count > 0)
{
m_list.Items[m_list.Items.Count - 1].Selected = true;
m_list.Items[m_list.Items.Count - 1].EnsureVisible();
}
break;
case Keys.Enter:
if (m_list.SelectedItems.Count > 0)
{
Text = m_list.SelectedItems[0].Text;
if (AfterChange != null)
{
AfterChange.Invoke(this, e);
}
}
//Select(0, Text.Length);
hideDropDown();
break;
case Keys.Escape:
hideDropDown();
break;
default:
base.OnKeyDown(e);
return;
}
e.Handled = true;
e.SuppressKeyPress = true;
}