/// <summary>
/// Initialize a new instance of the VisualPopupGroup class.
/// </summary>
/// <param name="ribbon">Reference to owning ribbon control.</param>
/// <param name="ribbonGroup">Reference to ribbon group for display.</param>
/// <param name="renderer">Drawing renderer.</param>
public VisualPopupGroup(KryptonRibbon ribbon,
KryptonRibbonGroup ribbonGroup,
IRenderer renderer)
: base(renderer, true)
{
Debug.Assert(ribbon != null);
Debug.Assert(ribbonGroup != null);
// Remember references needed later
_ribbon = ribbon;
_ribbonGroup = ribbonGroup;
// Create a view element for drawing the group
ViewGroup = new ViewDrawRibbonGroup(ribbon, ribbonGroup, NeedPaintDelegate)
{
Collapsed = false
};
// Create the background that will contain the actual group instance
_viewBackground = new ViewDrawRibbonGroupsBorder(ribbon, true, NeedPaintDelegate)
{
ViewGroup
};
// Attach the root to the view manager instance
ViewManager = new ViewRibbonPopupGroupManager(this, ribbon, _viewBackground, ViewGroup, NeedPaintDelegate);
// Create and add a hidden button to act as the focus target
_hiddenFocusTarget = new Button
{
TabStop = false
};
_hiddenFocusTarget.Location = new Point(-_hiddenFocusTarget.Width, -_hiddenFocusTarget.Height);
CommonHelper.AddControlToParent(this, _hiddenFocusTarget);
}
/// <summary>
/// Processes a dialog key.
/// </summary>
/// <param name="keyData">One of the Keys values that represents the key to process.</param>
/// <returns>True is handled; otherwise false.</returns>
protected override bool ProcessDialogKey(Keys keyData)
{
// Grab the controlling control that is a parent
Control c = _ribbon.GetControllerControl(this);
// Grab the view manager handling the focus view
ViewBase focusView = null;
if (c is VisualPopupGroup popGroup)
{
ViewRibbonPopupGroupManager manager = (ViewRibbonPopupGroupManager)popGroup.GetViewManager();
focusView = manager.FocusView;
}
else if (c is VisualPopupMinimized minimized)
{
ViewRibbonMinimizedManager manager = (ViewRibbonMinimizedManager)minimized.GetViewManager();
focusView = manager.FocusView;
}
// When in keyboard mode...
if (focusView != null)
{
// We pass movements keys onto the view
switch (keyData)
{
case Keys.Tab | Keys.Shift:
case Keys.Tab:
case Keys.Left:
case Keys.Right:
case Keys.Up:
case Keys.Down:
case Keys.Space:
case Keys.Enter:
_ribbon.KillKeyboardKeyTips();
focusView.KeyDown(new KeyEventArgs(keyData));
return(true);
}
}
return(base.ProcessDialogKey(keyData));
}
