protected internal override bool ProcessDialogKey(Keys keyData)
{
Keys keys = keyData & Keys.KeyCode;
if (this.HasDropDownItems)
{
bool flag = !base.IsOnDropDown || base.IsOnOverflow;
if (flag && (((keys == Keys.Down) || (keys == Keys.Up)) || ((keys == Keys.Enter) || (base.SupportsSpaceKey && (keys == Keys.Space)))))
{
if (this.Enabled || base.DesignMode)
{
this.ShowDropDown();
this.DropDown.SelectNextToolStripItem(null, true);
}
return(true);
}
if (!flag)
{
bool flag2 = (this.DropDownDirection & ToolStripDropDownDirection.AboveRight) == ToolStripDropDownDirection.AboveLeft;
if ((((keys == Keys.Enter) || (base.SupportsSpaceKey && (keys == Keys.Space))) || (flag2 && (keys == Keys.Left))) || (!flag2 && (keys == Keys.Right)))
{
if (this.Enabled || base.DesignMode)
{
this.ShowDropDown();
this.DropDown.SelectNextToolStripItem(null, true);
}
return(true);
}
}
}
if (base.IsOnDropDown)
{
bool flag4 = (this.DropDownDirection & ToolStripDropDownDirection.AboveRight) == ToolStripDropDownDirection.AboveLeft;
if ((flag4 && (keys == Keys.Right)) || (!flag4 && (keys == Keys.Left)))
{
ToolStripDropDown currentParentDropDown = base.GetCurrentParentDropDown();
if ((currentParentDropDown != null) && !currentParentDropDown.IsFirstDropDown)
{
currentParentDropDown.SetCloseReason(ToolStripDropDownCloseReason.Keyboard);
currentParentDropDown.SelectPreviousToolStrip();
return(true);
}
}
}
return(base.ProcessDialogKey(keyData));
}
protected internal override bool ProcessDialogKey(Keys keyData)
{
Keys keyCode = (Keys)keyData & Keys.KeyCode;
if (HasDropDownItems)
{
// VSWhidbey 478068: items on the overflow should have the same kind of keyboard handling as a toplevel
bool isToplevel = (!IsOnDropDown || IsOnOverflow);
if (isToplevel && (keyCode == Keys.Down || keyCode == Keys.Up || keyCode == Keys.Enter || (SupportsSpaceKey && keyCode == Keys.Space)))
{
Debug.WriteLineIf(ToolStrip.SelectionDebug.TraceVerbose, "[SelectDBG ProcessDialogKey] open submenu from toplevel item");
if (Enabled || DesignMode)
{
// |__[ * File ]_____| * is where you are. Up or down arrow hit should expand menu
this.ShowDropDown();
if (!AccessibilityImprovements.UseLegacyToolTipDisplay)
{
KeyboardToolTipStateMachine.Instance.NotifyAboutLostFocus(this);
}
this.DropDown.SelectNextToolStripItem(null, true);
}// else eat the key
return(true);
}
else if (!isToplevel)
{
// if we're on a DropDown - then cascade out.
bool menusCascadeRight = (((int)DropDownDirection & 0x0001) == 0);
bool forward = ((keyCode == Keys.Enter) || (SupportsSpaceKey && keyCode == Keys.Space));
forward = (forward || (menusCascadeRight && keyCode == Keys.Left) || (!menusCascadeRight && keyCode == Keys.Right));
if (forward)
{
Debug.WriteLineIf(ToolStrip.SelectionDebug.TraceVerbose, "[SelectDBG ProcessDialogKey] open submenu from NON-toplevel item");
if (Enabled || DesignMode)
{
this.ShowDropDown();
if (!AccessibilityImprovements.UseLegacyToolTipDisplay)
{
KeyboardToolTipStateMachine.Instance.NotifyAboutLostFocus(this);
}
this.DropDown.SelectNextToolStripItem(null, true);
} // else eat the key
return(true);
}
}
}
if (IsOnDropDown)
{
bool menusCascadeRight = (((int)DropDownDirection & 0x0001) == 0);
bool backward = ((menusCascadeRight && keyCode == Keys.Right) || (!menusCascadeRight && keyCode == Keys.Left));
if (backward)
{
Debug.WriteLineIf(ToolStrip.SelectionDebug.TraceVerbose, "[SelectDBG ProcessDialogKey] close submenu from NON-toplevel item");
// we're on a drop down but we're heading back up the chain.
// remember to select the item that displayed this dropdown.
ToolStripDropDown parent = GetCurrentParentDropDown();
if (parent != null && !parent.IsFirstDropDown)
{
// we're walking back up the dropdown chain.
parent.SetCloseReason(ToolStripDropDownCloseReason.Keyboard);
if (!AccessibilityImprovements.UseLegacyToolTipDisplay)
{
KeyboardToolTipStateMachine.Instance.NotifyAboutLostFocus(this);
}
parent.SelectPreviousToolStrip();
return(true);
}
// else if (parent.IsFirstDropDown)
// the base handling (ToolStripDropDown.ProcessArrowKey) will perform auto-expansion of
// the previous item in the menu.
}
}
Debug.WriteLineIf(ToolStrip.SelectionDebug.TraceVerbose, "[SelectDBG ProcessDialogKey] ddi calling base");
return(base.ProcessDialogKey(keyData));
}
internal static void CloseActiveDropDown(ToolStripDropDown activeToolStripDropDown, ToolStripDropDownCloseReason reason)
{
activeToolStripDropDown.SetCloseReason(reason);
activeToolStripDropDown.Visible = false;
if (GetActiveToolStrip() == null)
{
ExitMenuMode();
if (activeToolStripDropDown.OwnerItem != null)
{
activeToolStripDropDown.OwnerItem.Unselect();
}
}
}
internal static void CloseActiveDropDown(ToolStripDropDown activeToolStripDropDown, ToolStripDropDownCloseReason reason) {
activeToolStripDropDown.SetCloseReason(reason);
activeToolStripDropDown.Visible = false;
// there's no more dropdowns left in the chain
if (GetActiveToolStrip() == null) {
Debug.WriteLineIf(ToolStrip.SnapFocusDebug.TraceVerbose, "[ModalMenuFilter.CloseActiveDropDown] Calling exit because there are no more dropdowns left to activate.");
ExitMenuMode();
// make sure we roll selection off the toplevel toolstrip.
if (activeToolStripDropDown.OwnerItem != null) {
activeToolStripDropDown.OwnerItem.Unselect();
}
}
}