TabStrip.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.Layout;
namespace RibbonStyle
{
[ToolboxItem(typeof(TabStripToolboxItem))]
public partial class TabStrip : ToolStrip
{
Font boldFont = new Font(SystemFonts.MenuFont, FontStyle.Bold);
private const int EXTRA_PADDING = 0;
public TabStrip()
{
Renderer = new TabStripProfessionalRenderer();
this.Padding = new Padding(60, 3, 30, 0);
this.AutoSize = false;
this.Size = new Size(this.Width, 26);
this.BackColor = Color.FromArgb(191, 219, 255);
this.GripStyle = ToolStripGripStyle.Hidden;
this.ShowItemToolTips = false;
}
protected override ToolStripItem CreateDefaultItem(string text, Image image, EventHandler onClick)
{
return new Tab(text, image, onClick);
}
protected override Padding DefaultPadding
{
get
{
Padding padding = base.DefaultPadding;
padding.Top += EXTRA_PADDING;
padding.Bottom += EXTRA_PADDING;
return padding;
}
}
private Tab currentSelection;
public Tab SelectedTab
{
get { return currentSelection; }
set
{
if (currentSelection != value)
{
currentSelection = value;
if (currentSelection != null)
{
PerformLayout();
if (currentSelection.TabStripPage != null)
{
currentSelection.TabStripPage.Activate();
}
}
}
}
}
protected override void OnItemClicked(ToolStripItemClickedEventArgs e)
{
for (int i = 0; i < Items.Count; i++)
{
Tab currentTab = Items[i] as Tab;
SuspendLayout();
if (currentTab != null)
{
if (currentTab != e.ClickedItem)
{
currentTab.Checked = false;
currentTab.Font = this.Font;
currentTab.b_active = false;
}
else
{
// currentTab.Font = boldFont;
currentTab.b_active = true;
}
}
ResumeLayout();
}
SelectedTab = e.ClickedItem as Tab;
base.OnItemClicked(e);
}
protected override void SetDisplayedItems()
{
base.SetDisplayedItems();
for (int i = 0; i < DisplayedItems.Count; i++)
{
if (DisplayedItems[i] == SelectedTab)
{
DisplayedItems.Add(SelectedTab);
break;
}
}
}
protected override Size DefaultSize
{
get
{
Size size = base.DefaultSize;
// size.Height += EXTRA_PADDING*2;
return size;
}
}
public override Size GetPreferredSize(Size proposedSize)
{
Size preferredSize = Size.Empty;
proposedSize -= this.Padding.Size;
foreach (ToolStripItem item in this.Items)
{
preferredSize = LayoutUtils.UnionSizes(preferredSize, item.GetPreferredSize(proposedSize) + item.Padding.Size);
}
return preferredSize + this.Padding.Size;
}
private int tabOverlap = 0;
[DefaultValue(10)]
public int TabOverlap
{
get { return tabOverlap; }
set
{
if (tabOverlap != value)
{
tabOverlap = value;
// call perform layout so we
PerformLayout();
}
}
}
}
}