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));
}
protected void HandleApplicationMouseMove(Point mousePos)
{
bool reRender = false;
if (m_tornTab != null && m_dropAreas != null)
{
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < m_dropAreas.Length; i++)
// ReSharper restore ForCanBeConvertedToForeach
{
// If the cursor is within the drop area, combine the tab for the window that belongs to that drop area
if (m_dropAreas[i].Item2.Contains(mousePos))
{
TitleBarTabItem tabToCombine = null;
lock (m_tornTabLock)
{
if (m_tornTab != null)
{
tabToCombine = m_tornTab;
m_tornTab = null;
}
}
if (tabToCombine != null)
{
int i1 = i;
// In all cases where we need to affect the UI, we call Invoke so that those changes are made on the main UI thread since
// we are on a separate processing thread in this case
m_dropAreas[i1].Item1.TabRenderer.CombineTab(tabToCombine, mousePos);
tabToCombine = null;
m_tornTabForm.Close();
m_tornTabForm = null;
if (m_parentForm.Tabs.Count == 0)
{
m_parentForm.Close();
}
}
}
}
}
else if (!m_parentForm.TabRenderer.IsTabRepositioning)
{
// If we were over a close button previously, check to see if the cursor is still over that tab's
// close button; if not, re-render
if (m_isOverCloseButtonForTab != -1 &&
(m_isOverCloseButtonForTab >= m_parentForm.Tabs.Count ||
!m_parentForm.TabRenderer.IsOverCloseButton(m_parentForm.Tabs[m_isOverCloseButtonForTab], GetRelativeCursorPosition(mousePos))))
{
reRender = true;
m_isOverCloseButtonForTab = -1;
}
// Otherwise, see if any tabs' close button is being hovered over
else
{
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < m_parentForm.Tabs.Count; i++)
// ReSharper restore ForCanBeConvertedToForeach
{
if (m_parentForm.TabRenderer.IsOverCloseButton(m_parentForm.Tabs[i], GetRelativeCursorPosition(mousePos)))
{
m_isOverCloseButtonForTab = i;
reRender = true;
break;
}
}
}
}
else
{
m_wasDragging = true;
// When determining if a tab has been torn from the window while dragging, we take the drop area for this window and inflate it by the
// TabTearDragDistance setting
Rectangle dragArea = TabDropArea;
dragArea.Inflate(m_parentForm.TabRenderer.TabTearDragDistance, m_parentForm.TabRenderer.TabTearDragDistance);
// If the cursor is outside the tear area, tear it away from the current window
if (!dragArea.Contains(mousePos) && m_tornTab == null)
{
lock (m_tornTabLock)
{
if (m_tornTab == null)
{
m_parentForm.TabRenderer.IsTabRepositioning = false;
// Clear the event handler subscriptions from the tab and then create a thumbnail representation of it to use when dragging
m_tornTab = m_parentForm.SelectedTab;
m_tornTab.ClearSubscriptions();
m_tornTabForm = new TitleBarTornTabForm(m_tornTab, m_parentForm.TabRenderer, this);
}
}
if (m_tornTab != null)
{
m_parentForm.SelectedTabIndex = (m_parentForm.SelectedTabIndex == m_parentForm.Tabs.Count - 1
? m_parentForm.SelectedTabIndex - 1
: m_parentForm.SelectedTabIndex + 1);
m_parentForm.Tabs.Remove(m_tornTab);
// If this tab was the only tab in the window, hide the parent window
if (m_parentForm.Tabs.Count == 0)
{
m_parentForm.Hide();
}
m_tornTabForm.Show();
m_dropAreas = (from window in m_parentForm.ApplicationContext.OpenWindows.Where(w => w.Tabs.Count > 0)
select new Tuple <TitleBarTabMainForm, Rectangle>(window, window.TabDropArea)).ToArray();
}
}
}
OnMouseMove(new MouseEventArgs(MouseButtons.None, 0, mousePos.X, mousePos.Y, 0));
if (m_parentForm.TabRenderer.IsTabRepositioning)
{
reRender = true;
}
if (reRender)
{
Render(mousePos, true);
}
}
