SourceCode/PROMS/DotNetBar Source Code/TabStripOffice2007DockDisplay.cs

283 lines
13 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 Dock style.
/// </summary>
internal class TabStripOffice2007DockDisplay : TabStripBaseDisplay
{
#region Private Variables
private int m_CornerSize = 1;
#endregion
#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();
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))
{ if(tab.DisplayRectangle.IntersectsWith(clientRect))
PaintTab(g, tab, false, false);
}
else
{
Region oldClip = g.Clip;
g.SetClip(systemBoxRect, CombineMode.Exclude);
PaintTab(g, tab, false, false);
g.Clip = oldClip;
}
}
if (tabStrip.SelectedTab != null && tabStrip.Tabs.Contains(tabStrip.SelectedTab))
{
if (!tabStrip.SelectedTab.DisplayRectangle.IntersectsWith(systemBoxRect))
PaintTab(g, tabStrip.SelectedTab, false, false);
else
{
Region oldClip = g.Clip;
g.SetClip(systemBoxRect, CombineMode.Exclude);
PaintTab(g, tabStrip.SelectedTab, false, false);
g.Clip = oldClip;
}
}
g.ResetClip();
tabStrip.PaintTabSystemBox(g);
}
protected override GraphicsPath GetTabItemPath(TabItem tab, bool bFirst, bool bLast)
{
return GetTabItemPath(tab.DisplayRectangle, tab.TabAlignment, true);
}
private GraphicsPath GetTabItemPath(Rectangle tabRect, eTabStripAlignment align, bool closePath)
{
GraphicsPath path = new GraphicsPath();
switch (align)
{
case eTabStripAlignment.Top:
{
//tabRect.Width--;
if (closePath) tabRect.Height+=2;
path.AddLine(tabRect.X, tabRect.Bottom, tabRect.X, tabRect.Y + m_CornerSize);
path.AddLine(tabRect.X, tabRect.Y + m_CornerSize, tabRect.X+m_CornerSize, tabRect.Y);
path.AddLine(tabRect.X + m_CornerSize, tabRect.Y, tabRect.Right-m_CornerSize, tabRect.Y);
path.AddLine(tabRect.Right - m_CornerSize, tabRect.Y, tabRect.Right, tabRect.Y+m_CornerSize);
path.AddLine(tabRect.Right, tabRect.Y + m_CornerSize, tabRect.Right, tabRect.Bottom);
break;
}
case eTabStripAlignment.Bottom:
{
//tabRect.Width--;
if (!closePath)
tabRect.Y++;
tabRect.Height--;
path.AddLine(tabRect.X, tabRect.Y, tabRect.X, tabRect.Bottom - m_CornerSize);
path.AddLine(tabRect.X, tabRect.Bottom - m_CornerSize, tabRect.X + m_CornerSize, tabRect.Bottom);
path.AddLine(tabRect.X + m_CornerSize, tabRect.Bottom, tabRect.Right - m_CornerSize, tabRect.Bottom);
path.AddLine(tabRect.Right - m_CornerSize, tabRect.Bottom, tabRect.Right, tabRect.Bottom - m_CornerSize);
path.AddLine(tabRect.Right, tabRect.Bottom - m_CornerSize, tabRect.Right, tabRect.Y);
break;
}
case eTabStripAlignment.Left:
{
tabRect.X--;
tabRect.Height--;
if (closePath)
tabRect.Width++;
path.AddLine(tabRect.Right, tabRect.Y, tabRect.X + m_CornerSize, tabRect.Y);
path.AddLine(tabRect.X + m_CornerSize, tabRect.Y, tabRect.X, tabRect.Y+m_CornerSize);
path.AddLine(tabRect.X, tabRect.Y + m_CornerSize, tabRect.X, tabRect.Bottom - m_CornerSize);
path.AddLine(tabRect.X, tabRect.Bottom - m_CornerSize, tabRect.X+m_CornerSize, tabRect.Bottom);
path.AddLine(tabRect.X + m_CornerSize, tabRect.Bottom, tabRect.Right, tabRect.Bottom);
break;
}
case eTabStripAlignment.Right:
{
if (!closePath)
tabRect.X++;
//if (closePath)
// tabRect.Width--;
path.AddLine(tabRect.X, tabRect.Y, tabRect.Right - m_CornerSize, tabRect.Y);
path.AddLine(tabRect.Right - m_CornerSize, tabRect.Y, tabRect.Right, tabRect.Y + m_CornerSize);
path.AddLine(tabRect.Right, tabRect.Y + m_CornerSize, tabRect.Right, tabRect.Bottom - m_CornerSize);
path.AddLine(tabRect.Right, tabRect.Bottom - m_CornerSize, tabRect.Right - m_CornerSize, tabRect.Bottom);
path.AddLine(tabRect.Right - m_CornerSize, tabRect.Bottom, tabRect.X, tabRect.Bottom);
break;
}
}
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);
//g.SetClip(rClip);
if (!colors.BorderColor.IsEmpty)
{
using (GraphicsPath borderPath = GetTabItemPath(r, align, false))
{
using (Pen pen = new Pen(colors.BorderColor, Dpi.Width1))
g.DrawPath(pen, borderPath);
}
}
if (align == eTabStripAlignment.Top)
{
r.Offset(1, 1);
r.Width-=2;
r.Height--;
}
else if (align == eTabStripAlignment.Bottom)
{
r.Offset(1, 0);
r.Height--;
r.Width-=2;
}
else if (align == eTabStripAlignment.Left)
{
r.Offset(1, 1);
r.Height-=2;
r.Width-=2;
}
else if (align == eTabStripAlignment.Right)
{
r.Offset(1, 1);
r.Height -= 2;
r.Width -= 2;
}
if (!colors.LightBorderColor.IsEmpty)
{
using (GraphicsPath borderPath = GetTabItemPath(r, align, false))
{
//rClip = Rectangle.Ceiling(path.GetBounds());
//g.SetClip(rClip);
using (Pen pen = new Pen(colors.LightBorderColor, Dpi.Width1))
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;
if (!colors.TabItemBorder.IsEmpty)
{
using (Pen pen = new Pen(colors.TabItemBorder, Dpi.Width1))
{
if (tabAlignment == eTabStripAlignment.Top)
{
if (selectedTabRect.X > tabStripRect.Right)
selectedTabRect = Rectangle.Empty;
Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Bottom - 1, tabStripRect.Width, 2);
DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
g.DrawLine(pen, r.X, r.Y, selectedTabRect.X - 1, r.Y);
g.DrawLine(pen, selectedTabRect.Right, 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 = Rectangle.Empty;
Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, tabStripRect.Width, 1);
DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
g.DrawLine(pen, r.X, r.Bottom - 1, selectedTabRect.X - 1, r.Bottom - 1);
g.DrawLine(pen, selectedTabRect.Right, 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 = Rectangle.Empty;
Rectangle r = new Rectangle(tabStripRect.Right - 1, tabStripRect.Y, 1, tabStripRect.Height);
DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
g.DrawLine(pen, r.X, r.Y, r.X, selectedTabRect.Y - 1);
g.DrawLine(pen, r.X, selectedTabRect.Bottom, 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 = Rectangle.Empty;
Rectangle r = new Rectangle(tabStripRect.X, tabStripRect.Y, 1, tabStripRect.Height);
DisplayHelp.FillRectangle(g, r, colors.TabItemBackground, Color.Empty);
g.DrawLine(pen, r.Right - 1, r.Y, r.Right - 1, selectedTabRect.Y - 1);
g.DrawLine(pen, r.Right - 1, selectedTabRect.Bottom, r.Right - 1, r.Bottom);
g.DrawLine(pen, r.X, r.Y, r.Right - 1, r.Y);
g.DrawLine(pen, r.X, r.Bottom - 1, r.Right - 1, r.Bottom - 1);
}
}
}
g.SmoothingMode = sm;
}
#endregion
}
}