283 lines
13 KiB
C#
283 lines
13 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Text;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Provides display capabilities for TabStrip with Office 2007 Dock style.
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/// </summary>
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internal class TabStripOffice2007DockDisplay : TabStripBaseDisplay
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{
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#region Private Variables
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private int m_CornerSize = 1;
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#endregion
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#region Methods
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public override void Paint(Graphics g, TabStrip tabStrip)
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{
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base.Paint(g, tabStrip);
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TabColorScheme colorScheme = tabStrip.ColorScheme;
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Rectangle clientRect = tabStrip.DisplayRectangle;
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if (colorScheme.TabBackgroundImage != null)
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BarFunctions.PaintBackgroundImage(g, clientRect, colorScheme.TabBackgroundImage, eBackgroundImagePosition.Tile, 255);
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if (colorScheme.TabBackground != Color.Transparent && !colorScheme.TabBackground.IsEmpty)
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{
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if (colorScheme.TabBackground2.IsEmpty)
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{
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if (!colorScheme.TabBackground.IsEmpty)
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{
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using (SolidBrush brush = new SolidBrush(colorScheme.TabBackground))
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g.FillRectangle(brush, clientRect);
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}
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}
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else
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{
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using (SolidBrush brush = new SolidBrush(Color.White))
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g.FillRectangle(brush, clientRect);
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using (LinearGradientBrush brush = CreateTabGradientBrush(clientRect, colorScheme.TabBackground, colorScheme.TabBackground2, colorScheme.TabBackgroundGradientAngle))
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g.FillRectangle(brush, clientRect);
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}
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}
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Rectangle selectedRect = Rectangle.Empty;
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if (tabStrip.SelectedTab != null)
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selectedRect = tabStrip.SelectedTab.DisplayRectangle;
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using (Region tabRegion = new Region(tabStrip.DisplayRectangle))
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DrawBackground(tabStrip, clientRect, g, colorScheme, tabRegion, tabStrip.TabAlignment, selectedRect);
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Rectangle systemBoxRect = tabStrip.GetSystemBoxRectangle();
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for (int i = tabStrip.Tabs.Count - 1; i >= 0; i--)
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{
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TabItem tab = tabStrip.Tabs[i];
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if (!tab.Visible || tab == tabStrip.SelectedTab)
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continue;
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if (!tab.DisplayRectangle.IntersectsWith(systemBoxRect))
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{ if(tab.DisplayRectangle.IntersectsWith(clientRect))
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PaintTab(g, tab, false, false);
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}
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else
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{
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Region oldClip = g.Clip;
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g.SetClip(systemBoxRect, CombineMode.Exclude);
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PaintTab(g, tab, false, false);
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g.Clip = oldClip;
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}
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}
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if (tabStrip.SelectedTab != null && tabStrip.Tabs.Contains(tabStrip.SelectedTab))
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{
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if (!tabStrip.SelectedTab.DisplayRectangle.IntersectsWith(systemBoxRect))
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PaintTab(g, tabStrip.SelectedTab, false, false);
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else
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{
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Region oldClip = g.Clip;
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g.SetClip(systemBoxRect, CombineMode.Exclude);
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PaintTab(g, tabStrip.SelectedTab, false, false);
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g.Clip = oldClip;
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}
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}
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g.ResetClip();
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tabStrip.PaintTabSystemBox(g);
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}
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protected override GraphicsPath GetTabItemPath(TabItem tab, bool bFirst, bool bLast)
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{
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return GetTabItemPath(tab.DisplayRectangle, tab.TabAlignment, true);
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}
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private GraphicsPath GetTabItemPath(Rectangle tabRect, eTabStripAlignment align, bool closePath)
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{
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GraphicsPath path = new GraphicsPath();
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switch (align)
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{
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case eTabStripAlignment.Top:
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{
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//tabRect.Width--;
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if (closePath) tabRect.Height+=2;
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path.AddLine(tabRect.X, tabRect.Bottom, tabRect.X, tabRect.Y + m_CornerSize);
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path.AddLine(tabRect.X, tabRect.Y + m_CornerSize, tabRect.X+m_CornerSize, tabRect.Y);
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path.AddLine(tabRect.X + m_CornerSize, tabRect.Y, tabRect.Right-m_CornerSize, tabRect.Y);
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path.AddLine(tabRect.Right - m_CornerSize, tabRect.Y, tabRect.Right, tabRect.Y+m_CornerSize);
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path.AddLine(tabRect.Right, tabRect.Y + m_CornerSize, tabRect.Right, tabRect.Bottom);
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break;
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}
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case eTabStripAlignment.Bottom:
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{
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//tabRect.Width--;
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if (!closePath)
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tabRect.Y++;
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tabRect.Height--;
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path.AddLine(tabRect.X, tabRect.Y, tabRect.X, tabRect.Bottom - m_CornerSize);
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path.AddLine(tabRect.X, tabRect.Bottom - m_CornerSize, tabRect.X + m_CornerSize, tabRect.Bottom);
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path.AddLine(tabRect.X + m_CornerSize, tabRect.Bottom, tabRect.Right - m_CornerSize, tabRect.Bottom);
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path.AddLine(tabRect.Right - m_CornerSize, tabRect.Bottom, tabRect.Right, tabRect.Bottom - m_CornerSize);
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path.AddLine(tabRect.Right, tabRect.Bottom - m_CornerSize, tabRect.Right, tabRect.Y);
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break;
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}
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case eTabStripAlignment.Left:
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{
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tabRect.X--;
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tabRect.Height--;
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if (closePath)
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tabRect.Width++;
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path.AddLine(tabRect.Right, tabRect.Y, tabRect.X + m_CornerSize, tabRect.Y);
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path.AddLine(tabRect.X + m_CornerSize, tabRect.Y, tabRect.X, tabRect.Y+m_CornerSize);
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path.AddLine(tabRect.X, tabRect.Y + m_CornerSize, tabRect.X, tabRect.Bottom - m_CornerSize);
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path.AddLine(tabRect.X, tabRect.Bottom - m_CornerSize, tabRect.X+m_CornerSize, tabRect.Bottom);
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path.AddLine(tabRect.X + m_CornerSize, tabRect.Bottom, tabRect.Right, tabRect.Bottom);
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break;
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}
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case eTabStripAlignment.Right:
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{
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if (!closePath)
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tabRect.X++;
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//if (closePath)
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// tabRect.Width--;
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path.AddLine(tabRect.X, tabRect.Y, tabRect.Right - m_CornerSize, tabRect.Y);
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path.AddLine(tabRect.Right - m_CornerSize, tabRect.Y, tabRect.Right, tabRect.Y + m_CornerSize);
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path.AddLine(tabRect.Right, tabRect.Y + m_CornerSize, tabRect.Right, tabRect.Bottom - m_CornerSize);
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path.AddLine(tabRect.Right, tabRect.Bottom - m_CornerSize, tabRect.Right - m_CornerSize, tabRect.Bottom);
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path.AddLine(tabRect.Right - m_CornerSize, tabRect.Bottom, tabRect.X, tabRect.Bottom);
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break;
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}
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}
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if (closePath)
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path.CloseAllFigures();
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return path;
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}
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protected override void DrawTabBorder(TabItem tab, GraphicsPath path, TabColors colors, Graphics g)
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{
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Rectangle r = tab.DisplayRectangle;
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eTabStripAlignment align = tab.TabAlignment;
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//Region oldClip = g.Clip;
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//Rectangle rClip = Rectangle.Ceiling(path.GetBounds());
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//if (tab.TabAlignment == eTabStripAlignment.Right || tab.TabAlignment == eTabStripAlignment.Bottom)
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// rClip.Inflate(1, 1);
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//g.SetClip(rClip);
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if (!colors.BorderColor.IsEmpty)
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{
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using (GraphicsPath borderPath = GetTabItemPath(r, align, false))
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{
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using (Pen pen = new Pen(colors.BorderColor, Dpi.Width1))
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g.DrawPath(pen, borderPath);
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}
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}
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if (align == eTabStripAlignment.Top)
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{
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r.Offset(1, 1);
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r.Width-=2;
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r.Height--;
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}
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else if (align == eTabStripAlignment.Bottom)
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{
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r.Offset(1, 0);
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r.Height--;
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r.Width-=2;
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}
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else if (align == eTabStripAlignment.Left)
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{
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r.Offset(1, 1);
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r.Height-=2;
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r.Width-=2;
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}
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else if (align == eTabStripAlignment.Right)
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{
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r.Offset(1, 1);
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r.Height -= 2;
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r.Width -= 2;
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}
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if (!colors.LightBorderColor.IsEmpty)
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{
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using (GraphicsPath borderPath = GetTabItemPath(r, align, false))
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{
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//rClip = Rectangle.Ceiling(path.GetBounds());
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//g.SetClip(rClip);
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using (Pen pen = new Pen(colors.LightBorderColor, Dpi.Width1))
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g.DrawPath(pen, borderPath);
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}
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}
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//g.Clip = oldClip;
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}
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protected override void DrawBackground(TabStrip tabStrip, Rectangle tabStripRect, Graphics g, TabColorScheme colors, Region tabsRegion, eTabStripAlignment tabAlignment, Rectangle selectedTabRect)
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{
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base.DrawBackground(tabStrip, tabStripRect, g, colors, tabsRegion, tabAlignment, selectedTabRect);
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SmoothingMode sm = g.SmoothingMode;
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g.SmoothingMode = SmoothingMode.Default;
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if (!colors.TabItemBorder.IsEmpty)
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{
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using (Pen pen = new Pen(colors.TabItemBorder, Dpi.Width1))
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{
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if (tabAlignment == eTabStripAlignment.Top)
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{
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if (selectedTabRect.X > tabStripRect.Right)
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selectedTabRect = Rectangle.Empty;
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Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Bottom - 1, tabStripRect.Width, 2);
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DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
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g.DrawLine(pen, r.X, r.Y, selectedTabRect.X - 1, r.Y);
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g.DrawLine(pen, selectedTabRect.Right, r.Y, r.Right, r.Y);
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g.DrawLine(pen, r.X, r.Y, r.X, r.Bottom);
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g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, r.Bottom);
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}
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else if (tabAlignment == eTabStripAlignment.Bottom)
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{
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if (selectedTabRect.X > tabStripRect.Right)
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selectedTabRect = Rectangle.Empty;
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Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, tabStripRect.Width, 1);
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DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
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g.DrawLine(pen, r.X, r.Bottom - 1, selectedTabRect.X - 1, r.Bottom - 1);
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g.DrawLine(pen, selectedTabRect.Right, r.Bottom - 1, r.Right, r.Bottom - 1);
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g.DrawLine(pen, r.X, r.Y, r.X, r.Bottom - 1);
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g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, r.Bottom - 1);
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}
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else if (tabAlignment == eTabStripAlignment.Left)
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{
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if (selectedTabRect.Y > tabStripRect.Bottom)
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selectedTabRect = Rectangle.Empty;
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Rectangle r = new Rectangle(tabStripRect.Right - 1, tabStripRect.Y, 1, tabStripRect.Height);
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DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
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g.DrawLine(pen, r.X, r.Y, r.X, selectedTabRect.Y - 1);
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g.DrawLine(pen, r.X, selectedTabRect.Bottom, r.X, r.Bottom);
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g.DrawLine(pen, r.X, r.Y, r.Right, r.Y);
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g.DrawLine(pen, r.X, r.Bottom - 1, r.Right, r.Bottom - 1);
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}
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else if (tabAlignment == eTabStripAlignment.Right)
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{
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if (selectedTabRect.Y > tabStripRect.Bottom)
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selectedTabRect = Rectangle.Empty;
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Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, 1, tabStripRect.Height);
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DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
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g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, selectedTabRect.Y - 1);
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g.DrawLine(pen, r.Right - 1, selectedTabRect.Bottom, r.Right - 1, r.Bottom);
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g.DrawLine(pen, r.X, r.Y, r.Right - 1, r.Y);
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g.DrawLine(pen, r.X, r.Bottom - 1, r.Right - 1, r.Bottom - 1);
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}
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}
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}
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g.SmoothingMode = sm;
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}
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#endregion
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}
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}
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