/// <summary>
/// Default constructor
/// </summary>
public FormsDecorator()
{
FormsPanel.Bounds = ClientRectangle;
FormsPanel.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top | AnchorStyles.Bottom;
TitleBar.Height = 24;
TitleBar.Cursor = Cursors.SizeAll;
TitleBar.Paint += OnPaintTitleBar;
TitleBar.MouseDown += OnMouseDownInTitleBar;
TitleBar.MouseMove += OnMouseMoveInTitleBar;
TitleBar.MouseUp += OnMouseUpFromTitleBar;
TopMargin.Height = 4;
TopMargin.Cursor = Cursors.SizeNS;
TopMargin.MouseDown += OnMouseDownInTopMargin;
TopMargin.MouseMove += OnMouseMoveInTopMargin;
TopMargin.MouseUp += OnMouseUpFromTopMargin;
LeftMargin.Width = 4;
LeftMargin.Cursor = Cursors.SizeWE;
LeftMargin.MouseDown += OnMouseDownInLeftMargin;
LeftMargin.MouseMove += OnMouseMoveInLeftMargin;
LeftMargin.MouseUp += OnMouseUpFromLeftMargin;
RightMargin.Width = 4;
RightMargin.Cursor = Cursors.SizeWE;
RightMargin.MouseDown += OnMouseDownInRightMargin;
RightMargin.MouseMove += OnMouseMoveInRightMargin;
RightMargin.MouseUp += OnMouseUpFromRightMargin;
BottomMargin.Height = 4;
BottomMargin.Cursor = Cursors.SizeNS;
BottomMargin.MouseDown += OnMouseDownInBottomMargin;
BottomMargin.MouseMove += OnMouseMoveInBottomMargin;
BottomMargin.MouseUp += OnMouseUpFromBottomMargin;
TitleBar.BackColor = SystemColors.Control;
LeftMargin.BackColor = SystemColors.Control;
RightMargin.BackColor = SystemColors.Control;
BottomMargin.BackColor = SystemColors.Control;
FormsPanel.BackColor = SystemColors.Control;
FormsPanel.Visible = false;
FormsContainerControlCollection forms = (FormsContainerControlCollection)FormsPanel.Controls;
forms.TopControlChanged += OnTopFormChanged;
_unhighlightTimer.Tick += OnUnhighlightTimer;
_unhighlightTimer.Interval = 200;
_unhighlightTimer.Enabled = true;
}
/// <summary>
/// Gets the margins for the top form
/// </summary>
/// <param name="topOffset">top offset (title height when border style is none or zero when border style is provided)</param>
/// <returns>margins</returns>
private Margins GetMargins(out int topOffset)
{
FormsContainerControlCollection forms = (FormsContainerControlCollection)FormsPanel.Controls;
Margins margins = FormWrapper.GetMargins(forms.TopControl);
topOffset = 0;
Form topForm = forms.TopControl as Form;
if (topForm != null)
{
if (topForm.FormBorderStyle == FormBorderStyle.None)
{
margins.Top = DefaultTopMargin + DefaultTitleHeight;
margins.Left = DefaultLeftMargin;
margins.Right = DefaultRightMargin;
margins.Bottom = DefaultBottomMargin;
topOffset = DefaultTitleHeight;
}
}
return(margins);
}
/// <summary>
/// Select a form
/// </summary>
/// <param name="form">form to select</param>
public void SelectForm(Form form)
{
FormsContainerControlCollection forms = (FormsContainerControlCollection)FormsPanel.Controls;
forms.SetChildIndex(form, 0);
}
/// <summary>
/// Apply top form margins
/// </summary>
private void ApplyTopFormMargins()
{
int topOffset = 0;
Margins margins = GetMargins(out topOffset);
if (topOffset == 0)
{
TopMargin.Top = FormsPanel.Top;
TopMargin.Left = FormsPanel.Left;
TopMargin.Width = FormsPanel.Width;
TopMargin.Height = margins.Bottom;
TitleBar.Top = TopMargin.Bottom;
TitleBar.Left = TopMargin.Left;
TitleBar.Width = TopMargin.Width;
TitleBar.Height = margins.Top - margins.Bottom;
BottomMargin.Top = FormsPanel.Bottom - margins.Bottom;
BottomMargin.Left = TopMargin.Left;
BottomMargin.Width = TopMargin.Width;
BottomMargin.Height = margins.Bottom;
LeftMargin.Top = TitleBar.Bottom;
LeftMargin.Left = FormsPanel.Left;
LeftMargin.Width = margins.Left;
LeftMargin.Height = BottomMargin.Top - TitleBar.Bottom;
RightMargin.Top = TitleBar.Bottom;
RightMargin.Left = FormsPanel.Right - margins.Right;
RightMargin.Width = margins.Right;
RightMargin.Height = BottomMargin.Top - TitleBar.Bottom;
_titleRenderer.ContentTopOffset = 0;
}
else
{
TopMargin.Top = FormsPanel.Top - margins.Top;
TopMargin.Left = 0;
TopMargin.Width = Width;
TopMargin.Height = DefaultTopMargin;
TitleBar.Top = TopMargin.Bottom;
TitleBar.Left = TopMargin.Left;
TitleBar.Width = TopMargin.Width;
TitleBar.Height = DefaultTitleHeight;
BottomMargin.Top = FormsPanel.Bottom;
BottomMargin.Left = TopMargin.Left;
BottomMargin.Width = TopMargin.Width;
BottomMargin.Height = margins.Bottom;
LeftMargin.Top = TitleBar.Bottom;
LeftMargin.Left = FormsPanel.Left - margins.Left;
LeftMargin.Width = margins.Left;
LeftMargin.Height = BottomMargin.Top - TitleBar.Bottom;
RightMargin.Top = TitleBar.Bottom;
RightMargin.Left = FormsPanel.Right;
RightMargin.Width = margins.Right;
RightMargin.Height = BottomMargin.Top - TitleBar.Bottom;
_titleRenderer.ContentTopOffset = DefaultTopTitleOffset;
}
FormsContainerControlCollection forms = (FormsContainerControlCollection)FormsPanel.Controls;
Form selectedForm = forms.TopControl as Form;
if (selectedForm != null)
{
_titleRenderer.Icon = selectedForm.Icon;
_titleRenderer.Text = selectedForm.Text;
selectedForm.Bounds = FormsPanel.ClientRectangle;
}
_titleRenderer.TitleBarBounds = TitleBar.ClientRectangle;
TitleBar.Invalidate();
}