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using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using System.ComponentModel;
namespace WeifenLuo.WinFormsUI.Docking
{
using WeifenLuo.WinFormsUI.ThemeVS2012Light;
internal class VS2012LightDockPaneCaption : DockPaneCaptionBase
{
private sealed class InertButton : InertButtonBase
{
private Bitmap m_image, m_imageAutoHide;
public InertButton(VS2012LightDockPaneCaption dockPaneCaption, Bitmap image, Bitmap imageAutoHide)
: base()
{
m_dockPaneCaption = dockPaneCaption;
m_image = image;
m_imageAutoHide = imageAutoHide;
RefreshChanges();
}
private VS2012LightDockPaneCaption m_dockPaneCaption;
private VS2012LightDockPaneCaption DockPaneCaption
{
get { return m_dockPaneCaption; }
}
public bool IsAutoHide
{
get { return DockPaneCaption.DockPane.IsAutoHide; }
}
public override Bitmap Image
{
get { return IsAutoHide ? m_imageAutoHide : m_image; }
}
protected override void OnRefreshChanges()
{
if (DockPaneCaption.DockPane.DockPanel != null)
{
if (DockPaneCaption.TextColor != ForeColor)
{
ForeColor = DockPaneCaption.TextColor;
Invalidate();
}
}
}
}
#region consts
private const int _TextGapTop = 3;
private const int _TextGapBottom = 2;
private const int _TextGapLeft = 2;
private const int _TextGapRight = 3;
private const int _ButtonGapTop = 2;
private const int _ButtonGapBottom = 1;
private const int _ButtonGapBetween = 1;
private const int _ButtonGapLeft = 1;
private const int _ButtonGapRight = 2;
#endregion
private static Bitmap _imageButtonClose;
private static Bitmap ImageButtonClose
{
get
{
if (_imageButtonClose == null)
_imageButtonClose = Resources.DockPane_Close;
return _imageButtonClose;
}
}
private InertButton m_buttonClose;
private InertButton ButtonClose
{
get
{
if (m_buttonClose == null)
{
m_buttonClose = new InertButton(this, ImageButtonClose, ImageButtonClose);
m_toolTip.SetToolTip(m_buttonClose, ToolTipClose);
m_buttonClose.Click += new EventHandler(Close_Click);
Controls.Add(m_buttonClose);
}
return m_buttonClose;
}
}
private static Bitmap _imageButtonAutoHide;
private static Bitmap ImageButtonAutoHide
{
get
{
if (_imageButtonAutoHide == null)
_imageButtonAutoHide = Resources.DockPane_AutoHide;
return _imageButtonAutoHide;
}
}
private static Bitmap _imageButtonDock;
private static Bitmap ImageButtonDock
{
get
{
if (_imageButtonDock == null)
_imageButtonDock = Resources.DockPane_Dock;
return _imageButtonDock;
}
}
private InertButton m_buttonAutoHide;
private InertButton ButtonAutoHide
{
get
{
if (m_buttonAutoHide == null)
{
m_buttonAutoHide = new InertButton(this, ImageButtonDock, ImageButtonAutoHide);
m_toolTip.SetToolTip(m_buttonAutoHide, ToolTipAutoHide);
m_buttonAutoHide.Click += new EventHandler(AutoHide_Click);
Controls.Add(m_buttonAutoHide);
}
return m_buttonAutoHide;
}
}
private static Bitmap _imageButtonOptions;
private static Bitmap ImageButtonOptions
{
get
{
if (_imageButtonOptions == null)
_imageButtonOptions = Resources.DockPane_Option;
return _imageButtonOptions;
}
}
private InertButton m_buttonOptions;
private InertButton ButtonOptions
{
get
{
if (m_buttonOptions == null)
{
m_buttonOptions = new InertButton(this, ImageButtonOptions, ImageButtonOptions);
m_toolTip.SetToolTip(m_buttonOptions, ToolTipOptions);
m_buttonOptions.Click += new EventHandler(Options_Click);
Controls.Add(m_buttonOptions);
}
return m_buttonOptions;
}
}
private IContainer m_components;
private IContainer Components
{
get { return m_components; }
}
private ToolTip m_toolTip;
public VS2012LightDockPaneCaption(DockPane pane) : base(pane)
{
SuspendLayout();
m_components = new Container();
m_toolTip = new ToolTip(Components);
ResumeLayout();
}
protected override void Dispose(bool disposing)
{
if (disposing)
Components.Dispose();
base.Dispose(disposing);
}
private static int TextGapTop
{
get { return _TextGapTop; }
}
public Font TextFont
{
get
{
if (DockPane.DockPanel != null)
{
return DockPane.DockPanel.Skin.DockPaneStripSkin.TextFont;
}
else
{
return SystemFonts.CaptionFont;
}
}
}
private static int TextGapBottom
{
get { return _TextGapBottom; }
}
private static int TextGapLeft
{
get { return _TextGapLeft; }
}
private static int TextGapRight
{
get { return _TextGapRight; }
}
private static int ButtonGapTop
{
get { return _ButtonGapTop; }
}
private static int ButtonGapBottom
{
get { return _ButtonGapBottom; }
}
private static int ButtonGapLeft
{
get { return _ButtonGapLeft; }
}
private static int ButtonGapRight
{
get { return _ButtonGapRight; }
}
private static int ButtonGapBetween
{
get { return _ButtonGapBetween; }
}
private static string _toolTipClose;
private static string ToolTipClose
{
get
{
if (_toolTipClose == null)
_toolTipClose = Strings.DockPaneCaption_ToolTipClose;
return _toolTipClose;
}
}
private static string _toolTipOptions;
private static string ToolTipOptions
{
get
{
if (_toolTipOptions == null)
_toolTipOptions = Strings.DockPaneCaption_ToolTipOptions;
return _toolTipOptions;
}
}
private static string _toolTipAutoHide;
private static string ToolTipAutoHide
{
get
{
if (_toolTipAutoHide == null)
_toolTipAutoHide = Strings.DockPaneCaption_ToolTipAutoHide;
return _toolTipAutoHide;
}
}
private static Blend _activeBackColorGradientBlend;
private static Blend ActiveBackColorGradientBlend
{
get
{
if (_activeBackColorGradientBlend == null)
{
Blend blend = new Blend(2);
blend.Factors = new float[]{0.5F, 1.0F};
blend.Positions = new float[]{0.0F, 1.0F};
_activeBackColorGradientBlend = blend;
}
return _activeBackColorGradientBlend;
}
}
private Color TextColor
{
get
{
if (DockPane.IsActivated)
return DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.TextColor;
else
return DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.TextColor;
}
}
private static TextFormatFlags _textFormat =
TextFormatFlags.SingleLine |
TextFormatFlags.EndEllipsis |
TextFormatFlags.VerticalCenter;
private TextFormatFlags TextFormat
{
get
{
if (RightToLeft == RightToLeft.No)
return _textFormat;
else
return _textFormat | TextFormatFlags.RightToLeft | TextFormatFlags.Right;
}
}
protected override int MeasureHeight()
{
int height = TextFont.Height + TextGapTop + TextGapBottom;
if (height < ButtonClose.Image.Height + ButtonGapTop + ButtonGapBottom)
height = ButtonClose.Image.Height + ButtonGapTop + ButtonGapBottom;
return height;
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint (e);
DrawCaption(e.Graphics);
}
private void DrawCaption(Graphics g)
{
if (ClientRectangle.Width == 0 || ClientRectangle.Height == 0)
return;
Rectangle rect = ClientRectangle;
Color captionColor;
if (DockPane.IsActivated)
captionColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.StartColor;
else
captionColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.StartColor;
SolidBrush captionBrush = new SolidBrush(captionColor);
g.FillRectangle(captionBrush, rect);
Rectangle rectCaption = rect;
Rectangle rectCaptionText = rectCaption;
rectCaptionText.X += TextGapLeft;
rectCaptionText.Width -= TextGapLeft + TextGapRight;
rectCaptionText.Width -= ButtonGapLeft + ButtonClose.Width + ButtonGapRight;
if (ShouldShowAutoHideButton)
rectCaptionText.Width -= ButtonAutoHide.Width + ButtonGapBetween;
if (HasTabPageContextMenu)
rectCaptionText.Width -= ButtonOptions.Width + ButtonGapBetween;
rectCaptionText.Y += TextGapTop;
rectCaptionText.Height -= TextGapTop + TextGapBottom;
Color colorText;
if (DockPane.IsActivated)
colorText = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.TextColor;
else
colorText = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.TextColor;
TextRenderer.DrawText(g, DockPane.CaptionText, TextFont, DrawHelper.RtlTransform(this, rectCaptionText), colorText, TextFormat);
Rectangle rectDotsStrip = rectCaptionText;
int textLength = (int)g.MeasureString(DockPane.CaptionText, TextFont).Width + TextGapLeft;
rectDotsStrip.X += textLength;
rectDotsStrip.Width -= textLength;
rectDotsStrip.Height = ClientRectangle.Height;
Color dotsColor;
if (DockPane.IsActivated)
dotsColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.EndColor;
else
dotsColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.EndColor;
DrawDotsStrip(g, rectDotsStrip, dotsColor);
}
protected void DrawDotsStrip(Graphics g, Rectangle rectStrip, Color colorDots)
{
if (rectStrip.Width <= 0 || rectStrip.Height <= 0)
return;
var penDots = new Pen(colorDots, 1);
penDots.DashStyle = DashStyle.Custom;
penDots.DashPattern = new float[] { 1, 3 };
int positionY = rectStrip.Height / 2;
g.DrawLine(penDots, rectStrip.X + 2, positionY, rectStrip.X + rectStrip.Width - 2, positionY);
g.DrawLine(penDots, rectStrip.X, positionY - 2, rectStrip.X + rectStrip.Width, positionY - 2);
g.DrawLine(penDots, rectStrip.X, positionY + 2, rectStrip.X + rectStrip.Width, positionY + 2);
}
protected override void OnLayout(LayoutEventArgs levent)
{
SetButtonsPosition();
base.OnLayout (levent);
}
protected override void OnRefreshChanges()
{
SetButtons();
Invalidate();
}
private bool CloseButtonEnabled
{
get { return (DockPane.ActiveContent != null)? DockPane.ActiveContent.DockHandler.CloseButton : false; }
}
/// <summary>
/// Determines whether the close button is visible on the content
/// </summary>
private bool CloseButtonVisible
{
get { return (DockPane.ActiveContent != null) ? DockPane.ActiveContent.DockHandler.CloseButtonVisible : false; }
}
private bool ShouldShowAutoHideButton
{
get { return !DockPane.IsFloat; }
}
private void SetButtons()
{
ButtonClose.Enabled = CloseButtonEnabled;
ButtonClose.Visible = CloseButtonVisible;
ButtonAutoHide.Visible = ShouldShowAutoHideButton;
ButtonOptions.Visible = HasTabPageContextMenu;
ButtonClose.RefreshChanges();
ButtonAutoHide.RefreshChanges();
ButtonOptions.RefreshChanges();
SetButtonsPosition();
}
private void SetButtonsPosition()
{
// set the size and location for close and auto-hide buttons
Rectangle rectCaption = ClientRectangle;
int buttonWidth = ButtonClose.Image.Width;
int buttonHeight = ButtonClose.Image.Height;
int height = rectCaption.Height - ButtonGapTop - ButtonGapBottom;
if (buttonHeight < height)
{
buttonWidth = buttonWidth * (height / buttonHeight);
buttonHeight = height;
}
Size buttonSize = new Size(buttonWidth, buttonHeight);
int x = rectCaption.X + rectCaption.Width - 1 - ButtonGapRight - m_buttonClose.Width;
int y = rectCaption.Y + ButtonGapTop;
Point point = new Point(x, y);
ButtonClose.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
// If the close button is not visible draw the auto hide button overtop.
// Otherwise it is drawn to the left of the close button.
if (CloseButtonVisible)
point.Offset(-(buttonWidth + ButtonGapBetween), 0);
ButtonAutoHide.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
if (ShouldShowAutoHideButton)
point.Offset(-(buttonWidth + ButtonGapBetween), 0);
ButtonOptions.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
}
private void Close_Click(object sender, EventArgs e)
{
DockPane.CloseActiveContent();
}
private void AutoHide_Click(object sender, EventArgs e)
{
DockPane.DockState = DockHelper.ToggleAutoHideState(DockPane.DockState);
if (DockHelper.IsDockStateAutoHide(DockPane.DockState))
{
DockPane.DockPanel.ActiveAutoHideContent = null;
DockPane.NestedDockingStatus.NestedPanes.SwitchPaneWithFirstChild(DockPane);
}
}
private void Options_Click(object sender, EventArgs e)
{
ShowTabPageContextMenu(PointToClient(Control.MousePosition));
}
protected override void OnRightToLeftChanged(EventArgs e)
{
base.OnRightToLeftChanged(e);
PerformLayout();
}
}
}
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