Files
archived-dockpanelsuite/WinFormsUI/Docking/VS2003AutoHideStrip.cs
2013-08-03 13:17:24 +08:00

511 lines
20 KiB
C#

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
namespace WeifenLuo.WinFormsUI.Docking
{
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/ClassDef/*'/>
internal class VS2003AutoHideStrip : AutoHideStripBase
{
private class TabVS2003 : Tab
{
internal TabVS2003(IDockContent content)
: base(content)
{
}
private int m_tabX = 0;
protected internal int TabX
{
get { return m_tabX; }
set { m_tabX = value; }
}
private int m_tabWidth = 0;
protected internal int TabWidth
{
get { return m_tabWidth; }
set { m_tabWidth = value; }
}
}
private const int _ImageHeight = 16;
private const int _ImageWidth = 16;
private const int _ImageGapTop = 2;
private const int _ImageGapLeft = 4;
private const int _ImageGapRight = 4;
private const int _ImageGapBottom = 2;
private const int _TextGapLeft = 4;
private const int _TextGapRight = 10;
private const int _TabGapTop = 3;
private const int _TabGapLeft = 2;
private const int _TabGapBetween = 10;
private static Matrix _matrixIdentity;
private static DockState[] _dockStates;
#region Customizable Properties
private static StringFormat _stringFormatTabHorizontal = null;
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="StringFormatTabHorizontal"]/*'/>
protected virtual StringFormat StringFormatTabHorizontal
{
get
{
if (_stringFormatTabHorizontal == null)
{
_stringFormatTabHorizontal = new StringFormat();
_stringFormatTabHorizontal.Alignment = StringAlignment.Near;
_stringFormatTabHorizontal.LineAlignment = StringAlignment.Center;
_stringFormatTabHorizontal.FormatFlags = StringFormatFlags.NoWrap;
}
return _stringFormatTabHorizontal;
}
}
private static StringFormat _stringFormatTabVertical;
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="StringFormatTabVertical"]/*'/>
protected virtual StringFormat StringFormatTabVertical
{
get
{
if (_stringFormatTabVertical == null)
{
_stringFormatTabVertical = new StringFormat();
_stringFormatTabVertical.Alignment = StringAlignment.Near;
_stringFormatTabVertical.LineAlignment = StringAlignment.Center;
_stringFormatTabVertical.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.DirectionVertical;
}
return _stringFormatTabVertical;
}
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="ImageHeight"]/*'/>
protected virtual int ImageHeight
{
get { return _ImageHeight; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="ImageWidth"]/*'/>
protected virtual int ImageWidth
{
get { return _ImageWidth; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="ImageGapTop"]/*'/>
protected virtual int ImageGapTop
{
get { return _ImageGapTop; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="ImageGapLeft"]/*'/>
protected virtual int ImageGapLeft
{
get { return _ImageGapLeft; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="ImageGapRight"]/*'/>
protected virtual int ImageGapRight
{
get { return _ImageGapRight; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="ImageGapBottom"]/*'/>
protected virtual int ImageGapBottom
{
get { return _ImageGapBottom; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="TextGapLeft"]/*'/>
protected virtual int TextGapLeft
{
get { return _TextGapLeft; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="TextGapRight"]/*'/>
protected virtual int TextGapRight
{
get { return _TextGapRight; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="TabGapTop"]/*'/>
protected virtual int TabGapTop
{
get { return _TabGapTop; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="TabGapLeft"]/*'/>
protected virtual int TabGapLeft
{
get { return _TabGapLeft; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="TabGapBetween"]/*'/>
protected virtual int TabGapBetween
{
get { return _TabGapBetween; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="BrushTabBackground"]/*'/>
protected virtual Brush BrushTabBackground
{
get { return SystemBrushes.Control; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="PenTabBorder"]/*'/>
protected virtual Pen PenTabBorder
{
get { return SystemPens.GrayText; }
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Property[@name="BrushTabText"]/*'/>
protected virtual Brush BrushTabText
{
get { return SystemBrushes.FromSystemColor(SystemColors.ControlDarkDark); }
}
#endregion
private Matrix MatrixIdentity
{
get { return _matrixIdentity; }
}
private DockState[] DockStates
{
get { return _dockStates; }
}
static VS2003AutoHideStrip()
{
_matrixIdentity = new Matrix();
_dockStates = new DockState[4];
_dockStates[0] = DockState.DockLeftAutoHide;
_dockStates[1] = DockState.DockRightAutoHide;
_dockStates[2] = DockState.DockTopAutoHide;
_dockStates[3] = DockState.DockBottomAutoHide;
}
public VS2003AutoHideStrip(DockPanel panel) : base(panel)
{
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
BackColor = Color.WhiteSmoke;
}
/// <exclude/>
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
DrawTabStrip(g);
}
/// <exclude/>
protected override void OnLayout(LayoutEventArgs levent)
{
CalculateTabs();
base.OnLayout (levent);
}
private void DrawTabStrip(Graphics g)
{
DrawTabStrip(g, DockState.DockTopAutoHide);
DrawTabStrip(g, DockState.DockBottomAutoHide);
DrawTabStrip(g, DockState.DockLeftAutoHide);
DrawTabStrip(g, DockState.DockRightAutoHide);
}
private void DrawTabStrip(Graphics g, DockState dockState)
{
Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);
if (rectTabStrip.IsEmpty)
return;
Matrix matrixIdentity = g.Transform;
if (dockState == DockState.DockLeftAutoHide || dockState == DockState.DockRightAutoHide)
{
Matrix matrixRotated = new Matrix();
matrixRotated.RotateAt(90, new PointF((float)rectTabStrip.X + (float)rectTabStrip.Height / 2,
(float)rectTabStrip.Y + (float)rectTabStrip.Height / 2));
g.Transform = matrixRotated;
}
foreach (Pane pane in GetPanes(dockState))
{
foreach (TabVS2003 tab in pane.AutoHideTabs)
DrawTab(g, tab);
}
g.Transform = matrixIdentity;
}
private void CalculateTabs()
{
CalculateTabs(DockState.DockTopAutoHide);
CalculateTabs(DockState.DockBottomAutoHide);
CalculateTabs(DockState.DockLeftAutoHide);
CalculateTabs(DockState.DockRightAutoHide);
}
private void CalculateTabs(DockState dockState)
{
Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);
int imageHeight = rectTabStrip.Height - ImageGapTop - ImageGapBottom;
int imageWidth = ImageWidth;
if (imageHeight > ImageHeight)
imageWidth = ImageWidth * (imageHeight/ImageHeight);
using (Graphics g = CreateGraphics())
{
int x = TabGapLeft + rectTabStrip.X;
foreach (Pane pane in GetPanes(dockState))
{
int maxWidth = 0;
foreach (TabVS2003 tab in pane.AutoHideTabs)
{
int width = imageWidth + ImageGapLeft + ImageGapRight +
(int)g.MeasureString(tab.Content.DockHandler.TabText, Font).Width + 1 +
TextGapLeft + TextGapRight;
if (width > maxWidth)
maxWidth = width;
}
foreach (TabVS2003 tab in pane.AutoHideTabs)
{
tab.TabX = x;
if (tab.Content == pane.DockPane.ActiveContent)
tab.TabWidth = maxWidth;
else
tab.TabWidth = imageWidth + ImageGapLeft + ImageGapRight;
x += tab.TabWidth;
}
x += TabGapBetween;
}
}
}
private void DrawTab(Graphics g, TabVS2003 tab)
{
Rectangle rectTab = GetTabRectangle(tab);
if (rectTab.IsEmpty)
return;
DockState dockState = tab.Content.DockHandler.DockState;
IDockContent content = tab.Content;
OnBeginDrawTab(tab);
Brush brushTabBackGround = BrushTabBackground;
Pen penTabBorder = PenTabBorder;
Brush brushTabText = BrushTabText;
g.FillRectangle(brushTabBackGround, rectTab);
g.DrawLine(penTabBorder, rectTab.Left, rectTab.Top, rectTab.Left, rectTab.Bottom);
g.DrawLine(penTabBorder, rectTab.Right, rectTab.Top, rectTab.Right, rectTab.Bottom);
if (dockState == DockState.DockTopAutoHide || dockState == DockState.DockRightAutoHide)
g.DrawLine(penTabBorder, rectTab.Left, rectTab.Bottom, rectTab.Right, rectTab.Bottom);
else
g.DrawLine(penTabBorder, rectTab.Left, rectTab.Top, rectTab.Right, rectTab.Top);
// Set no rotate for drawing icon and text
Matrix matrixRotate = g.Transform;
g.Transform = MatrixIdentity;
// Draw the icon
Rectangle rectImage = rectTab;
rectImage.X += ImageGapLeft;
rectImage.Y += ImageGapTop;
int imageHeight = rectTab.Height - ImageGapTop - ImageGapBottom;
int imageWidth = ImageWidth;
if (imageHeight > ImageHeight)
imageWidth = ImageWidth * (imageHeight/ImageHeight);
rectImage.Height = imageHeight;
rectImage.Width = imageWidth;
rectImage = GetTransformedRectangle(dockState, rectImage);
g.DrawIcon(((Form)content).Icon, rectImage);
// Draw the text
if (content == content.DockHandler.Pane.ActiveContent)
{
Rectangle rectText = rectTab;
rectText.X += ImageGapLeft + imageWidth + ImageGapRight + TextGapLeft;
rectText.Width -= ImageGapLeft + imageWidth + ImageGapRight + TextGapLeft;
rectText = GetTransformedRectangle(dockState, rectText);
if (dockState == DockState.DockLeftAutoHide || dockState == DockState.DockRightAutoHide)
g.DrawString(content.DockHandler.TabText, Font, brushTabText, rectText, StringFormatTabVertical);
else
g.DrawString(content.DockHandler.TabText, Font, brushTabText, rectText, StringFormatTabHorizontal);
}
// Set rotate back
g.Transform = matrixRotate;
OnEndDrawTab(tab);
}
private Rectangle GetLogicalTabStripRectangle(DockState dockState)
{
return GetLogicalTabStripRectangle(dockState, false);
}
private Rectangle GetLogicalTabStripRectangle(DockState dockState, bool transformed)
{
if (!DockHelper.IsDockStateAutoHide(dockState))
return Rectangle.Empty;
int leftPanes = GetPanes(DockState.DockLeftAutoHide).Count;
int rightPanes = GetPanes(DockState.DockRightAutoHide).Count;
int topPanes = GetPanes(DockState.DockTopAutoHide).Count;
int bottomPanes = GetPanes(DockState.DockBottomAutoHide).Count;
int x, y, width, height;
height = MeasureHeight();
if (dockState == DockState.DockLeftAutoHide && leftPanes > 0)
{
x = 0;
y = (topPanes == 0) ? 0 : height;
width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 :height);
}
else if (dockState == DockState.DockRightAutoHide && rightPanes > 0)
{
x = Width - height;
if (leftPanes != 0 && x < height)
x = height;
y = (topPanes == 0) ? 0 : height;
width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 :height);
}
else if (dockState == DockState.DockTopAutoHide && topPanes > 0)
{
x = leftPanes == 0 ? 0 : height;
y = 0;
width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockBottomAutoHide && bottomPanes > 0)
{
x = leftPanes == 0 ? 0 : height;
y = Height - height;
if (topPanes != 0 && y < height)
y = height;
width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
}
else
return Rectangle.Empty;
if (width == 0 || height == 0)
{
return Rectangle.Empty;
}
var rect = new Rectangle(x, y, width, height);
return transformed ? GetTransformedRectangle(dockState, rect) : rect;
}
private Rectangle GetTabRectangle(TabVS2003 tab)
{
return GetTabRectangle(tab, false);
}
private Rectangle GetTabRectangle(TabVS2003 tab, bool transformed)
{
DockState dockState = tab.Content.DockHandler.DockState;
Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);
if (rectTabStrip.IsEmpty)
return Rectangle.Empty;
int x = tab.TabX;
int y = rectTabStrip.Y +
(dockState == DockState.DockTopAutoHide || dockState == DockState.DockRightAutoHide ?
0 : TabGapTop);
int width = tab.TabWidth;
int height = rectTabStrip.Height - TabGapTop;
if (!transformed)
return new Rectangle(x, y, width, height);
else
return GetTransformedRectangle(dockState, new Rectangle(x, y, width, height));
}
private Rectangle GetTransformedRectangle(DockState dockState, Rectangle rect)
{
if (dockState != DockState.DockLeftAutoHide && dockState != DockState.DockRightAutoHide)
return rect;
PointF[] pts = new PointF[1];
// the center of the rectangle
pts[0].X = (float)rect.X + (float)rect.Width / 2;
pts[0].Y = (float)rect.Y + (float)rect.Height / 2;
Rectangle rectTabStrip = GetLogicalTabStripRectangle(dockState);
using (Matrix matrix = new Matrix())
{
matrix.RotateAt(90, new PointF((float)rectTabStrip.X + (float)rectTabStrip.Height / 2,
(float)rectTabStrip.Y + (float)rectTabStrip.Height / 2));
matrix.TransformPoints(pts);
}
return new Rectangle((int)(pts[0].X - (float)rect.Height / 2 + .5F),
(int)(pts[0].Y - (float)rect.Width / 2 + .5F),
rect.Height, rect.Width);
}
/// <exclude />
protected override IDockContent HitTest(Point ptMouse)
{
foreach(DockState state in DockStates)
{
Rectangle rectTabStrip = GetLogicalTabStripRectangle(state, true);
if (!rectTabStrip.Contains(ptMouse))
continue;
foreach(Pane pane in GetPanes(state))
{
foreach(TabVS2003 tab in pane.AutoHideTabs)
{
Rectangle rectTab = GetTabRectangle(tab, true);
rectTab.Intersect(rectTabStrip);
if (rectTab.Contains(ptMouse))
return tab.Content;
}
}
}
return null;
}
/// <exclude/>
protected internal override int MeasureHeight()
{
return Math.Max(ImageGapBottom +
ImageGapTop + ImageHeight,
Font.Height) + TabGapTop;
}
/// <exclude/>
protected override void OnRefreshChanges()
{
CalculateTabs();
Invalidate();
}
protected override AutoHideStripBase.Tab CreateTab(IDockContent content)
{
return new TabVS2003(content);
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Method[@name="OnBeginDrawTab(AutoHideTab)"]/*'/>
protected virtual void OnBeginDrawTab(Tab tab)
{
}
/// <include file='CodeDoc/AutoHideStripVS2003.xml' path='//CodeDoc/Class[@name="AutoHideStripVS2003"]/Method[@name="OnEndDrawTab(AutoHideTab)"]/*'/>
protected virtual void OnEndDrawTab(Tab tab)
{
}
}
}