/// <summary>Callback that is invoked whenever anything is added or removed from <see cref="Tabs" /> so that we can trigger a redraw of the tabs.</summary>
/// <param name="sender">Object for which this event was raised.</param>
/// <param name="e">Arguments associated with the event.</param>
private void _tabs_CollectionModified(object sender, ListModificationEventArgs e)
{
SetFrameSize();
if (e.Modification == ListModification.ItemAdded || e.Modification == ListModification.RangeAdded)
{
for (int i = 0; i < e.Count; i++)
{
TitleBarTab currentTab = Tabs[i + e.StartIndex];
currentTab.Content.TextChanged += Content_TextChanged;
currentTab.Closing += TitleBarTabs_Closing;
if (AeroPeekEnabled)
{
TaskbarManager.Instance.TabbedThumbnail.SetActiveTab(CreateThumbnailPreview(currentTab));
}
}
}
if (_overlay != null)
{
_overlay.Render(true);
}
}
/// <summary>Raises <see cref="CollectionModified" /> events.</summary>
/// <param name="e">An <see cref="ListModificationEventArgs" /> that contains the event data.</param>
protected virtual void OnCollectionModified(ListModificationEventArgs e)
{
if (_suppressEvents)
{
return;
}
if (CollectionModified != null)
{
CollectionModified(this, e);
}
}
/// <summary>
/// When items are added to the tabs collection, we need to ensure that the <see cref="_parentWindow" />'s minimum width is set so that we can display at
/// least each tab and its close buttons.
/// </summary>
/// <param name="sender">List of tabs in the <see cref="_parentWindow" />.</param>
/// <param name="e">Arguments associated with the event.</param>
private void Tabs_CollectionModified(object sender, ListModificationEventArgs e)
{
ListWithEvents <TitleBarTab> tabs = (ListWithEvents <TitleBarTab>)sender;
if (tabs.Count == 0)
{
return;
}
int minimumWidth = tabs.Sum(
tab => (tab.Active
? _activeLeftSideImage.Width
: _inactiveLeftSideImage.Width) + (tab.Active
? _activeRightSideImage.Width
: _inactiveRightSideImage.Width) +
(tab.ShowCloseButton
? tab.CloseButtonArea.Width + CloseButtonMarginLeft
: 0));
minimumWidth += OverlapWidth;
minimumWidth += (_parentWindow.ControlBox
? SystemInformation.CaptionButtonSize.Width
: 0) -
(_parentWindow.MinimizeBox
? SystemInformation.CaptionButtonSize.Width
: 0) -
(_parentWindow.MaximizeBox
? SystemInformation.CaptionButtonSize.Width
: 0) + (ShowAddButton
? _addButtonImage.Width + AddButtonMarginLeft +
AddButtonMarginRight
: 0);
_parentWindow.MinimumSize = new Size(minimumWidth, 0);
}