SourceCode/PROMS/DotNetBar Source Code/TabStripOffice2007DocumentDisplay.cs

337 lines
14 KiB
C#

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
namespace DevComponents.DotNetBar
{
/// <summary>
/// Provides display capabilities for TabStrip with Office 2007 Document style.
/// </summary>
internal class TabStripOffice2007DocumentDisplay : TabStripBaseDisplay
{
#region Private Variable
private int m_TopLeftCornerSize = 3;
#endregion
/// <summary>
/// Creates new instance of the class.
/// </summary>
public TabStripOffice2007DocumentDisplay() { }
#region Methods
public override void Paint(Graphics g, TabStrip tabStrip)
{
base.Paint(g, tabStrip);
TabColorScheme colorScheme = tabStrip.ColorScheme;
Rectangle clientRect = tabStrip.DisplayRectangle;
if (colorScheme.TabBackgroundImage != null)
BarFunctions.PaintBackgroundImage(g, clientRect, colorScheme.TabBackgroundImage, eBackgroundImagePosition.Tile, 255);
if (colorScheme.TabBackground != Color.Transparent && !colorScheme.TabBackground.IsEmpty)
{
if (colorScheme.TabBackground2.IsEmpty)
{
if (!colorScheme.TabBackground.IsEmpty)
{
using (SolidBrush brush = new SolidBrush(colorScheme.TabBackground))
g.FillRectangle(brush, clientRect);
}
}
else
{
using (SolidBrush brush = new SolidBrush(Color.White))
g.FillRectangle(brush, clientRect);
using (LinearGradientBrush brush = CreateTabGradientBrush(clientRect, colorScheme.TabBackground, colorScheme.TabBackground2, colorScheme.TabBackgroundGradientAngle))
g.FillRectangle(brush, clientRect);
}
}
Rectangle selectedRect = Rectangle.Empty;
if (tabStrip.SelectedTab != null)
selectedRect = tabStrip.SelectedTab.DisplayRectangle;
using(Region tabRegion = new Region(tabStrip.DisplayRectangle))
DrawBackground(tabStrip, clientRect, g, colorScheme, tabRegion, tabStrip.TabAlignment, selectedRect);
Rectangle systemBoxRect = tabStrip.GetSystemBoxRectangle();
systemBoxRect.Inflate(-2, -2);
for (int i = tabStrip.Tabs.Count - 1; i >= 0; i--)
{
TabItem tab = tabStrip.Tabs[i];
if (!tab.Visible || tab == tabStrip.SelectedTab)
continue;
if(!tab.DisplayRectangle.IntersectsWith(systemBoxRect) && tab.DisplayRectangle.IntersectsWith(clientRect))
PaintTab(g, tab, false, false);
}
if (tabStrip.SelectedTab != null && tabStrip.Tabs.Contains(tabStrip.SelectedTab))
{
if (!GetAdjustedRect(tabStrip.SelectedTab).IntersectsWith(systemBoxRect))
PaintTab(g, tabStrip.SelectedTab, false, false);
}
g.ResetClip();
tabStrip.PaintTabSystemBox(g);
}
private Rectangle GetAdjustedRect(TabItem item)
{
Rectangle r = item.DisplayRectangle;
if (item.TabAlignment == eTabStripAlignment.Top || item.TabAlignment == eTabStripAlignment.Bottom)
r.Width -= (r.Height - 6);
else
r.Height -= (r.Width - 6);
return r;
}
protected override GraphicsPath GetTabItemPath(TabItem tab, bool bFirst, bool bLast)
{
return GetTabPath(tab.DisplayRectangle, tab.TabAlignment, true);
}
private GraphicsPath GetTabPath(Rectangle tabDisplayRectangle, eTabStripAlignment align, bool closePath)
{
Rectangle r = tabDisplayRectangle;
if (align == eTabStripAlignment.Right)
r = new Rectangle(r.X, r.Y, r.Height, r.Width);
else if (align == eTabStripAlignment.Left)
r = new Rectangle(r.X, r.Y, r.Height, r.Width);
if (align == eTabStripAlignment.Bottom || align == eTabStripAlignment.Top)
r.Offset(0, 1);
else
r.Offset(1, 0);
GraphicsPath path = new GraphicsPath();
if (align == eTabStripAlignment.Bottom || align == eTabStripAlignment.Left)
{
path.AddLine(r.X, r.Y, r.X, r.Bottom - m_TopLeftCornerSize);
path.AddLine(r.X, r.Bottom - m_TopLeftCornerSize, r.X+m_TopLeftCornerSize, r.Bottom);
path.AddLine(r.X + m_TopLeftCornerSize, r.Bottom, r.Right - (r.Height/2), r.Bottom);
Point[] p = new Point[4];
p[0].X = r.Right - (r.Height / 2);
p[0].Y = r.Bottom;
p[1].X = p[0].X + 5;
p[1].Y = p[0].Y - 3;
p[2].X = p[1].X + r.Height / 2;
p[2].Y = r.Y + 3;
p[3].X = p[2].X + 4;
p[3].Y = r.Y;
path.AddCurve(p, 0, 3, .1f);
if (closePath)
path.AddLine(r.Right, r.Y, r.X, r.Y);
}
else
{
path.AddLine(r.X, r.Bottom, r.X, r.Y + m_TopLeftCornerSize);
path.AddLine(r.X, r.Y + m_TopLeftCornerSize, r.X + m_TopLeftCornerSize, r.Y);
path.AddLine(r.X + m_TopLeftCornerSize, r.Y, r.Right - (r.Height / 2), r.Y);
Point[] p = new Point[4];
p[0].X = r.Right - (r.Height / 2);
p[0].Y = r.Y;
p[1].X = p[0].X + 5;
p[1].Y = p[0].Y + 3;
p[2].X = p[1].X + r.Height / 2;
p[2].Y = r.Bottom - 3;
p[3].X = p[2].X + 4;
p[3].Y = r.Bottom;
path.AddCurve(p, 0, 3, .1f);
if (closePath)
path.AddLine(r.Right, r.Bottom, r.X, r.Bottom);
}
if (align == eTabStripAlignment.Left)
{
// Left
Matrix m = new Matrix();
m.RotateAt(90, new PointF(r.Right, r.Bottom));
m.Translate(-r.Width-2, r.Width - (r.Height), MatrixOrder.Append);
//m.RotateAt(-90, new PointF(r.X, r.Bottom));
//m.Translate(r.Height, r.Width - r.Height, MatrixOrder.Append);
path.Transform(m);
}
else if (align == eTabStripAlignment.Right)
{
// Right
Matrix m = new Matrix();
//RectangleF rf=path.GetBounds();
m.RotateAt(90, new PointF(r.Right, r.Bottom));
m.Translate(-r.Width, r.Width - (r.Height), MatrixOrder.Append);
path.Transform(m);
}
if (closePath)
path.CloseAllFigures();
return path;
}
protected override void DrawTabBorder(TabItem tab, GraphicsPath path, TabColors colors, Graphics g)
{
Rectangle r = tab.DisplayRectangle;
eTabStripAlignment align = tab.TabAlignment;
Region oldClip = g.Clip;
Rectangle rClip = Rectangle.Ceiling(path.GetBounds());
if (tab.TabAlignment == eTabStripAlignment.Right || tab.TabAlignment == eTabStripAlignment.Bottom)
rClip.Inflate(1, 1);
else if (tab.TabAlignment == eTabStripAlignment.Left && !tab.IsSelected)
rClip.Width--;
g.SetClip(rClip);
if (!colors.BorderColor.IsEmpty)
{
using (GraphicsPath borderPath = GetTabPath(r, align, false))
{
using (Pen pen = new Pen(colors.BorderColor))
g.DrawPath(pen, borderPath);
}
}
if (align == eTabStripAlignment.Top)
{
r.Offset(1, 1);
r.Width--;
}
else if (align == eTabStripAlignment.Bottom)
{
r.Offset(1, -1);
r.Width--;
}
else if (align == eTabStripAlignment.Left)
{
r.Offset(1, 1);
r.Height--;
}
else if (align == eTabStripAlignment.Right)
{
r.Offset(-1, 1);
}
if (!colors.LightBorderColor.IsEmpty)
{
using (GraphicsPath borderPath = GetTabPath(r, align, false))
{
rClip = Rectangle.Ceiling(path.GetBounds());
if (align == eTabStripAlignment.Left)
rClip.Width--;
g.SetClip(rClip);
using (Pen pen = new Pen(colors.LightBorderColor))
g.DrawPath(pen, borderPath);
}
}
g.Clip = oldClip;
}
protected override void DrawBackground(TabStrip tabStrip, Rectangle tabStripRect, Graphics g, TabColorScheme colors, Region tabsRegion, eTabStripAlignment tabAlignment, Rectangle selectedTabRect)
{
base.DrawBackground(tabStrip, tabStripRect, g, colors, tabsRegion, tabAlignment, selectedTabRect);
SmoothingMode sm = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.Default;
using (Pen pen = new Pen(colors.TabItemBorder, 1))
{
int tabExtension = 9;
if (selectedTabRect.IsEmpty)
tabExtension = 0;
Color tabItemSelectedColor2 = colors.TabItemSelectedBackground2;
if (tabStrip.SelectedTab != null)
{
TabColors tc = tabStrip.GetTabColors(tabStrip.SelectedTab);
tabItemSelectedColor2 = tc.BackColor2;
}
if (tabAlignment == eTabStripAlignment.Top)
{
if (selectedTabRect.X > tabStripRect.Right || selectedTabRect.Bottom < tabStripRect.Bottom - 4)
{
selectedTabRect = Rectangle.Empty;
tabExtension = 0;
}
Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Bottom - 1, tabStripRect.Width, 1);
DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
g.DrawLine(pen, r.X, r.Y, selectedTabRect.X, r.Y);
g.DrawLine(pen, selectedTabRect.Right + tabExtension, r.Y, r.Right, r.Y);
g.DrawLine(pen, r.X, r.Y, r.X, r.Bottom);
g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, r.Bottom);
}
else if (tabAlignment == eTabStripAlignment.Bottom)
{
if (selectedTabRect.X > tabStripRect.Right || selectedTabRect.Y>4)
{
selectedTabRect = Rectangle.Empty;
tabExtension = 0;
}
Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, tabStripRect.Width, 1);
DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
g.DrawLine(pen, r.X, r.Bottom -1, selectedTabRect.X, r.Bottom - 1);
g.DrawLine(pen, selectedTabRect.Right + tabExtension, r.Bottom - 1, r.Right, r.Bottom - 1);
g.DrawLine(pen, r.X, r.Y, r.X, r.Bottom -1);
g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, r.Bottom - 1);
}
else if (tabAlignment == eTabStripAlignment.Left)
{
if (selectedTabRect.Y > tabStripRect.Bottom || selectedTabRect.Right < tabStripRect.Right - 4)
{
selectedTabRect = Rectangle.Empty;
tabExtension = 0;
}
Rectangle r = new Rectangle(tabStripRect.Right -1, tabStripRect.Y, 1, tabStripRect.Height);
DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
g.DrawLine(pen, r.X, r.Y, r.X, selectedTabRect.Y);
g.DrawLine(pen, r.X, selectedTabRect.Bottom + tabExtension, r.X, r.Bottom);
g.DrawLine(pen, r.X, r.Y, r.Right, r.Y);
g.DrawLine(pen, r.X, r.Bottom - 1, r.Right, r.Bottom - 1);
}
else if (tabAlignment == eTabStripAlignment.Right)
{
if (selectedTabRect.Y > tabStripRect.Bottom || selectedTabRect.X>4)
{
selectedTabRect = Rectangle.Empty;
tabExtension = 0;
}
Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, 1, tabStripRect.Height);
DisplayHelp.FillRectangle(g, r, tabItemSelectedColor2, Color.Empty);
g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, selectedTabRect.Y);
g.DrawLine(pen, r.Right - 1, selectedTabRect.Bottom + tabExtension, r.Right - 1, r.Bottom);
g.DrawLine(pen, r.X, r.Y, r.Right, r.Y);
g.DrawLine(pen, r.X, r.Bottom - 1, r.Right, r.Bottom - 1);
}
}
g.SmoothingMode = sm;
}
protected override void AdjustTextRectangle(ref Rectangle rText, eTabStripAlignment tabAlignment)
{
if (tabAlignment == eTabStripAlignment.Top || tabAlignment == eTabStripAlignment.Bottom)
rText.Width -= 3;
base.AdjustTextRectangle(ref rText, tabAlignment);
}
protected override void AdjustCloseButtonRectangle(ref Rectangle close, bool closeOnLeftSide, bool vertical)
{
if (!closeOnLeftSide)
{
if (!vertical)
close.X -= TabCloseButtonSpacing + close.Height / 6;
else
close.Y -= TabCloseButtonSpacing + close.Height / 6;
}
}
#endregion
}
}