private void HandleKeyboardNavigation(SearchContext context)
{
// TODO: support page down and page up
var evt = Event.current;
if (evt.type == EventType.KeyDown)
{
var prev = m_SelectedIndex;
if (evt.keyCode == KeyCode.DownArrow)
{
if (m_SelectedIndex == -1 && evt.modifiers.HasFlag(EventModifiers.Alt))
{
m_CycledSearch = SearchService.CyclePreviousSearch(-1);
GUI.FocusControl(null);
}
else
{
m_SelectedIndex = Math.Min(m_SelectedIndex + 1, m_FilteredItems.Count - 1);
Event.current.Use();
}
}
else if (evt.keyCode == KeyCode.UpArrow)
{
if (m_SelectedIndex >= 0)
{
m_SelectedIndex = Math.Max(-1, m_SelectedIndex - 1);
if (m_SelectedIndex == -1)
{
m_SearchBoxFocus = true;
}
Event.current.Use();
}
else if (evt.modifiers.HasFlag(EventModifiers.Alt))
{
m_CycledSearch = SearchService.CyclePreviousSearch(+1);
GUI.FocusControl(null);
}
}
else if (evt.keyCode == KeyCode.PageDown)
{
m_SelectedIndex = Math.Min(m_SelectedIndex + GetDisplayItemCount() - 1, m_FilteredItems.Count - 1);
Event.current.Use();
}
else if (evt.keyCode == KeyCode.PageUp)
{
m_SelectedIndex = Math.Max(0, m_SelectedIndex - GetDisplayItemCount());
Event.current.Use();
}
else if (evt.keyCode == KeyCode.RightArrow && evt.modifiers.HasFlag(EventModifiers.Alt))
{
if (m_SelectedIndex != -1)
{
var item = m_FilteredItems.ElementAt(m_SelectedIndex);
var menuPositionY = (m_SelectedIndex + 1) * Styles.itemRowHeight - m_ScrollPosition.y + Styles.itemRowHeight / 2.0f;
ShowItemContextualMenu(item, context, new Rect(position.width - Styles.actionButtonSize, menuPositionY, 1, 1));
Event.current.Use();
}
}
else if (evt.keyCode == KeyCode.LeftArrow && evt.modifiers.HasFlag(EventModifiers.Alt))
{
m_ShowFilterWindow = true;
Event.current.Use();
}
else if (evt.keyCode == KeyCode.KeypadEnter || evt.keyCode == KeyCode.Return)
{
var selectedIndex = m_SelectedIndex;
if (selectedIndex == -1 && m_FilteredItems != null && m_FilteredItems.Count > 0)
{
selectedIndex = 0;
}
if (selectedIndex != -1 && m_FilteredItems != null)
{
int actionIndex = 0;
if (evt.modifiers.HasFlag(EventModifiers.Alt))
{
actionIndex = 1;
if (evt.modifiers.HasFlag(EventModifiers.Control))
{
actionIndex = 2;
if (evt.modifiers.HasFlag(EventModifiers.Shift))
{
actionIndex = 3;
}
}
}
var item = m_FilteredItems.ElementAt(selectedIndex);
if (item.provider.actions.Any())
{
Event.current.Use();
actionIndex = Math.Max(0, Math.Min(actionIndex, item.provider.actions.Count - 1));
ExecuteAction(item.provider.actions[actionIndex], item, context);
GUIUtility.ExitGUI();
}
}
}
else if (evt.keyCode == KeyCode.Escape)
{
CloseSearchWindow();
Event.current.Use();
}
else
{
GUI.FocusControl(k_QuickSearchBoxName);
}
if (prev != m_SelectedIndex)
{
m_FocusSelectedItem = true;
Repaint();
}
}
if (m_FilteredItems == null || m_FilteredItems.Count == 0)
{
m_SearchBoxFocus = true;
}
}