/// <summary>Constructor that initializes the various resources that we use in rendering.</summary>
/// <param name="parentWindow">Parent window that this renderer belongs to.</param>
public ChromeTabRenderer(TitleBarTabMainForm parentWindow)
: base(parentWindow)
{
// Initialize the various images to use during rendering
_activeLeftSideImage = ResourceUtil.GetImage(Resources.ChromeLeftImage);
_activeRightSideImage = ResourceUtil.GetImage(Resources.ChromeRightImage);
_activeCenterImage = ResourceUtil.GetImage(Resources.ChromeCenterImage);
_inactiveLeftSideImage = ResourceUtil.GetImage(Resources.ChromeInactiveLeftImage);
_inactiveRightSideImage = ResourceUtil.GetImage(Resources.ChromeInactiveRightImage);
_inactiveCenterImage = ResourceUtil.GetImage(Resources.ChromeInactiveCenterImage);
_closeButtonImage = ResourceUtil.GetImage(Resources.ChromeCloseImage);
_closeButtonHoverImage = ResourceUtil.GetImage(Resources.ChromeCloseHoverImage);
_background = ResourceUtil.GetImage(Resources.ChromeBackgroundImage);
_addButtonImage = new Bitmap(ResourceUtil.GetImage(Resources.ChromeAddImage));
_addButtonHoverImage = new Bitmap(ResourceUtil.GetImage(Resources.ChromeAddHoverImage));
// Set the various positioning properties
CloseButtonMarginTop = 6;
CloseButtonMarginLeft = 2;
AddButtonMarginTop = 5;
AddButtonMarginLeft = -3;
CaptionMarginTop = 5;
IconMarginTop = 6;
IconMarginRight = 5;
AddButtonMarginRight = 5;
ShowAddButton = false;
}
protected void HandleApplicationMouseLUp(Point mousePos)
{
// If we released the mouse button while we were dragging a torn tab, put that tab into a new window
if (m_tornTab != null)
{
TitleBarTabItem tabToRelease = null;
lock (m_tornTabLock)
{
if (m_tornTab != null)
{
tabToRelease = m_tornTab;
m_tornTab = null;
}
}
if (tabToRelease != null)
{
TitleBarTabMainForm newWindow = (TitleBarTabMainForm)Activator.CreateInstance(m_parentForm.GetType());
// Set the initial window position and state properly
if (newWindow.WindowState == FormWindowState.Maximized)
{
Screen screen = Screen.AllScreens.First(s => s.WorkingArea.Contains(Cursor.Position));
newWindow.StartPosition = FormStartPosition.Manual;
newWindow.WindowState = FormWindowState.Normal;
newWindow.Left = screen.WorkingArea.Left;
newWindow.Top = screen.WorkingArea.Top;
newWindow.Width = screen.WorkingArea.Width;
newWindow.Height = screen.WorkingArea.Height;
}
else
{
newWindow.Left = Cursor.Position.X;
newWindow.Top = Cursor.Position.Y;
}
tabToRelease.Parent = newWindow;
m_parentForm.ApplicationContext.OpenWindow(newWindow);
newWindow.Show();
newWindow.Tabs.Add(tabToRelease);
newWindow.SelectedTabIndex = 0;
newWindow.ResizeTabContents();
m_tornTabForm.Close();
m_tornTabForm = null;
if (m_parentForm.Tabs.Count == 0)
{
m_parentForm.Close();
}
}
}
OnMouseUp(new MouseEventArgs(MouseButtons.Left, 1, Cursor.Position.X, Cursor.Position.Y, 0));
}
/// <summary>Retrieves or creates the overlay for <paramref name="parentForm" />.</summary>
/// <param name="parentForm">Parent form that we are to create the overlay for.</param>
/// <returns>Newly-created or previously existing overlay for <paramref name="parentForm" />.</returns>
public static TitleBarTabsOverlay GetInstance(TitleBarTabMainForm parentForm)
{
if (!_parents.ContainsKey(parentForm))
{
_parents.Add(parentForm, new TitleBarTabsOverlay(parentForm));
}
return(_parents[parentForm]);
}
/// <summary>
/// Adds <paramref name="window" /> to <see cref="_openWindows" /> and attaches event handlers to its <see cref="Form.FormClosed" /> event to keep track
/// of it.
/// </summary>
/// <param name="window">Window that we're opening.</param>
public void OpenWindow(TitleBarTabMainForm window)
{
if (!_openWindows.Contains(window))
{
window.ApplicationContext = this;
_openWindows.Add(window);
window.FormClosed += window_FormClosed;
}
}
/// <summary>Constructor; takes the initial window to display and, if it's not closing, opens it and shows it.</summary>
/// <param name="initialFormInstance">Initial window to display.</param>
public void Start(TitleBarTabMainForm initialFormInstance)
{
if (initialFormInstance.IsClosing)
{
ExitThread();
}
else
{
OpenWindow(initialFormInstance);
initialFormInstance.Show();
}
}
/// <summary>Creates the overlay window and attaches it to <paramref name="parentForm" />.</summary>
/// <param name="parentForm">Parent form that the overlay should be rendered on top of.</param>
protected TitleBarTabsOverlay(TitleBarTabMainForm parentForm)
{
m_parentForm = parentForm;
// We don't want this window visible in the taskbar
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.Sizable;
MinimizeBox = false;
MaximizeBox = false;
m_aeroEnabled = m_parentForm.IsCompositionEnabled;
Show(m_parentForm);
AttachHandlers();
}
/// <summary>Default constructor that initializes the <see cref="_parentWindow" /> and <see cref="ShowAddButton" /> properties.</summary>
/// <param name="parentWindow">The parent window that this renderer instance belongs to.</param>
protected BaseTabRenderer(TitleBarTabMainForm parentWindow)
{
_parentWindow = parentWindow;
ShowAddButton = true;
TabRepositionDragDistance = 10;
TabTearDragDistance = 10;
parentWindow.Tabs.CollectionModified += Tabs_CollectionModified;
if (parentWindow._overlay != null)
{
parentWindow._overlay.MouseMove += Overlay_MouseMove;
parentWindow._overlay.MouseUp += Overlay_MouseUp;
parentWindow._overlay.MouseDown += Overlay_MouseDown;
}
}
/// <summary>
/// Event handler that is called when <see cref="m_parentForm" /> is in the process of closing. This uninstalls <see cref="m_hookproc" /> from the low-
/// level hooks list and stops the consumer thread that processes those events.
/// </summary>
/// <param name="sender">Object from which this event originated, <see cref="m_parentForm" /> in this case.</param>
/// <param name="e">Arguments associated with this event.</param>
private void _parentForm_Closing(object sender, CancelEventArgs e)
{
TitleBarTabMainForm form = (TitleBarTabMainForm)sender;
if (form == null)
{
return;
}
if (_parents.ContainsKey(form))
{
_parents.Remove(form);
}
Application.RemoveMessageFilter(this);
}
/// <summary>Default constructor that initializes the various properties.</summary>
/// <param name="parent">Parent window that contains this tab.</param>
public TitleBarTabItem(TitleBarTabMainForm parent)
{
ShowCloseButton = true;
Parent = parent;
}
