internal override bool ProcessArrowKey(Keys keyData)
{
switch (keyData)
{
case Keys.Down:
case Keys.Tab:
this.SelectNextToolStripItem(this.GetCurrentlySelectedItem(), true);
return(true);
case Keys.Up:
case Keys.Shift | Keys.Tab:
this.SelectNextToolStripItem(this.GetCurrentlySelectedItem(), false);
return(true);
case Keys.Right:
this.GetTopLevelToolStrip().SelectNextToolStripItem(this.TopLevelOwnerItem, true);
return(true);
case Keys.Left:
case Keys.Escape:
this.Dismiss(ToolStripDropDownCloseReason.Keyboard);
// ContextMenuStrip won't have a parent
if (this.OwnerItem == null)
{
return(true);
}
ToolStrip parent_strip = this.OwnerItem.Parent;
ToolStripManager.SetActiveToolStrip(parent_strip, true);
if (parent_strip is MenuStrip && keyData == Keys.Left)
{
parent_strip.SelectNextToolStripItem(this.TopLevelOwnerItem, false);
this.TopLevelOwnerItem.Invalidate();
}
else if (parent_strip is MenuStrip && keyData == Keys.Escape)
{
(parent_strip as MenuStrip).MenuDroppedDown = false;
this.TopLevelOwnerItem.Select();
}
return(true);
}
return(false);
}
private static bool ChangeSelection(ToolStrip start, ToolStrip toolStrip)
{
if ((toolStrip == null) || (start == null))
{
return false;
}
if (start == toolStrip)
{
return false;
}
if (ModalMenuFilter.InMenuMode)
{
if (ModalMenuFilter.GetActiveToolStrip() == start)
{
ModalMenuFilter.RemoveActiveToolStrip(start);
start.NotifySelectionChange(null);
}
ModalMenuFilter.SetActiveToolStrip(toolStrip);
}
else
{
toolStrip.FocusInternal();
}
start.SnapFocusChange(toolStrip);
toolStrip.SelectNextToolStripItem(null, toolStrip.RightToLeft != RightToLeft.Yes);
return true;
}
private static bool ChangeSelection(ToolStrip start, ToolStrip toolStrip) {
if (toolStrip == null || start == null) {
Debug.Assert(toolStrip != null, "passed in bogus toolstrip, why?");
Debug.Assert(start != null, "passed in bogus start, why?");
return false;
}
if (start == toolStrip) {
return false;
}
if (ModalMenuFilter.InMenuMode) {
if (ModalMenuFilter.GetActiveToolStrip() == start) {
ModalMenuFilter.RemoveActiveToolStrip(start);
start.NotifySelectionChange(null);
}
ModalMenuFilter.SetActiveToolStrip(toolStrip);
}
else {
toolStrip.FocusInternal();
}
// copy over the hwnd that we want to restore focus to on ESC
start.SnapFocusChange(toolStrip);
toolStrip.SelectNextToolStripItem(null, toolStrip.RightToLeft != RightToLeft.Yes);
return true;
}
