337 lines
14 KiB
C#
337 lines
14 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 Document style.
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/// </summary>
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internal class TabStripOffice2007DocumentDisplay : TabStripBaseDisplay
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{
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#region Private Variable
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private int m_TopLeftCornerSize = 3;
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#endregion
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/// <summary>
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/// Creates new instance of the class.
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/// </summary>
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public TabStripOffice2007DocumentDisplay() { }
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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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systemBoxRect.Inflate(-2, -2);
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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) && tab.DisplayRectangle.IntersectsWith(clientRect))
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PaintTab(g, tab, false, false);
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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 (!GetAdjustedRect(tabStrip.SelectedTab).IntersectsWith(systemBoxRect))
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PaintTab(g, tabStrip.SelectedTab, false, false);
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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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private Rectangle GetAdjustedRect(TabItem item)
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{
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Rectangle r = item.DisplayRectangle;
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if (item.TabAlignment == eTabStripAlignment.Top || item.TabAlignment == eTabStripAlignment.Bottom)
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r.Width -= (r.Height - 6);
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else
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r.Height -= (r.Width - 6);
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return r;
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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 GetTabPath(tab.DisplayRectangle, tab.TabAlignment, true);
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}
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private GraphicsPath GetTabPath(Rectangle tabDisplayRectangle, eTabStripAlignment align, bool closePath)
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{
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Rectangle r = tabDisplayRectangle;
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if (align == eTabStripAlignment.Right)
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r = new Rectangle(r.X, r.Y, r.Height, r.Width);
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else if (align == eTabStripAlignment.Left)
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r = new Rectangle(r.X, r.Y, r.Height, r.Width);
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if (align == eTabStripAlignment.Bottom || align == eTabStripAlignment.Top)
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r.Offset(0, 1);
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else
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r.Offset(1, 0);
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GraphicsPath path = new GraphicsPath();
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if (align == eTabStripAlignment.Bottom || align == eTabStripAlignment.Left)
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{
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path.AddLine(r.X, r.Y, r.X, r.Bottom - m_TopLeftCornerSize);
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path.AddLine(r.X, r.Bottom - m_TopLeftCornerSize, r.X+m_TopLeftCornerSize, r.Bottom);
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path.AddLine(r.X + m_TopLeftCornerSize, r.Bottom, r.Right - (r.Height/2), r.Bottom);
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Point[] p = new Point[4];
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p[0].X = r.Right - (r.Height / 2);
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p[0].Y = r.Bottom;
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p[1].X = p[0].X + 5;
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p[1].Y = p[0].Y - 3;
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p[2].X = p[1].X + r.Height / 2;
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p[2].Y = r.Y + 3;
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p[3].X = p[2].X + 4;
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p[3].Y = r.Y;
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path.AddCurve(p, 0, 3, .1f);
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if (closePath)
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path.AddLine(r.Right, r.Y, r.X, r.Y);
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}
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else
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{
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path.AddLine(r.X, r.Bottom, r.X, r.Y + m_TopLeftCornerSize);
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path.AddLine(r.X, r.Y + m_TopLeftCornerSize, r.X + m_TopLeftCornerSize, r.Y);
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path.AddLine(r.X + m_TopLeftCornerSize, r.Y, r.Right - (r.Height / 2), r.Y);
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Point[] p = new Point[4];
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p[0].X = r.Right - (r.Height / 2);
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p[0].Y = r.Y;
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p[1].X = p[0].X + 5;
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p[1].Y = p[0].Y + 3;
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p[2].X = p[1].X + r.Height / 2;
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p[2].Y = r.Bottom - 3;
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p[3].X = p[2].X + 4;
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p[3].Y = r.Bottom;
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path.AddCurve(p, 0, 3, .1f);
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if (closePath)
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path.AddLine(r.Right, r.Bottom, r.X, r.Bottom);
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}
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if (align == eTabStripAlignment.Left)
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{
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// Left
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Matrix m = new Matrix();
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m.RotateAt(90, new PointF(r.Right, r.Bottom));
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m.Translate(-r.Width-2, r.Width - (r.Height), MatrixOrder.Append);
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//m.RotateAt(-90, new PointF(r.X, r.Bottom));
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//m.Translate(r.Height, r.Width - r.Height, MatrixOrder.Append);
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path.Transform(m);
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}
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else if (align == eTabStripAlignment.Right)
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{
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// Right
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Matrix m = new Matrix();
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//RectangleF rf=path.GetBounds();
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m.RotateAt(90, new PointF(r.Right, r.Bottom));
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m.Translate(-r.Width, r.Width - (r.Height), MatrixOrder.Append);
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path.Transform(m);
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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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else if (tab.TabAlignment == eTabStripAlignment.Left && !tab.IsSelected)
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rClip.Width--;
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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 = GetTabPath(r, align, false))
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{
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using (Pen pen = new Pen(colors.BorderColor))
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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--;
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}
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else if (align == eTabStripAlignment.Bottom)
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{
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r.Offset(1, -1);
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r.Width--;
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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--;
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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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}
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if (!colors.LightBorderColor.IsEmpty)
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{
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using (GraphicsPath borderPath = GetTabPath(r, align, false))
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{
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rClip = Rectangle.Ceiling(path.GetBounds());
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if (align == eTabStripAlignment.Left)
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rClip.Width--;
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g.SetClip(rClip);
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using (Pen pen = new Pen(colors.LightBorderColor))
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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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using (Pen pen = new Pen(colors.TabItemBorder, 1))
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{
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int tabExtension = 9;
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if (selectedTabRect.IsEmpty)
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tabExtension = 0;
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Color tabItemSelectedColor2 = colors.TabItemSelectedBackground2;
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if (tabStrip.SelectedTab != null)
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{
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TabColors tc = tabStrip.GetTabColors(tabStrip.SelectedTab);
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tabItemSelectedColor2 = tc.BackColor2;
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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 || selectedTabRect.Bottom < tabStripRect.Bottom - 4)
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{
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selectedTabRect = Rectangle.Empty;
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tabExtension = 0;
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}
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Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Bottom - 1, tabStripRect.Width, 1);
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DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
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g.DrawLine(pen, r.X, r.Y, selectedTabRect.X, r.Y);
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g.DrawLine(pen, selectedTabRect.Right + tabExtension, 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 || selectedTabRect.Y>4)
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{
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selectedTabRect = Rectangle.Empty;
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tabExtension = 0;
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}
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Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, tabStripRect.Width, 1);
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DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
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g.DrawLine(pen, r.X, r.Bottom -1, selectedTabRect.X, r.Bottom - 1);
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g.DrawLine(pen, selectedTabRect.Right + tabExtension, 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 || selectedTabRect.Right < tabStripRect.Right - 4)
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{
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selectedTabRect = Rectangle.Empty;
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tabExtension = 0;
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}
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Rectangle r = new Rectangle(tabStripRect.Right -1, tabStripRect.Y, 1, tabStripRect.Height);
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DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
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g.DrawLine(pen, r.X, r.Y, r.X, selectedTabRect.Y);
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g.DrawLine(pen, r.X, selectedTabRect.Bottom + tabExtension, 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 || selectedTabRect.X>4)
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{
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selectedTabRect = Rectangle.Empty;
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tabExtension = 0;
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}
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Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, 1, tabStripRect.Height);
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DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
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g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, selectedTabRect.Y);
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g.DrawLine(pen, r.Right - 1, selectedTabRect.Bottom + tabExtension, r.Right - 1, 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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}
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g.SmoothingMode = sm;
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}
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protected override void AdjustTextRectangle(ref Rectangle rText, eTabStripAlignment tabAlignment)
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{
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if (tabAlignment == eTabStripAlignment.Top || tabAlignment == eTabStripAlignment.Bottom)
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rText.Width -= 3;
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base.AdjustTextRectangle(ref rText, tabAlignment);
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}
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protected override void AdjustCloseButtonRectangle(ref Rectangle close, bool closeOnLeftSide, bool vertical)
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{
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if (!closeOnLeftSide)
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{
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if (!vertical)
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close.X -= TabCloseButtonSpacing + close.Height / 6;
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else
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close.Y -= TabCloseButtonSpacing + close.Height / 6;
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}
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}
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#endregion
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}
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}
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