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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
namespace ScintillaNet
{
[TypeConverterAttribute(typeof(System.ComponentModel.ExpandableObjectConverter))]
public class CaretInfo : ScintillaHelperBase
{
protected internal CaretInfo(Scintilla scintilla) : base(scintilla)
{
BlinkRate = SystemInformation.CaretBlinkTime;
Width = SystemInformation.CaretWidth;
}
protected internal bool ShouldSerialize()
{
return ShouldSerializeBlinkRate() ||
ShouldSerializeColor() ||
ShouldSerializeCurrentLineBackgroundColor() ||
ShouldSerializeWidth() ||
ShouldSerializeHighlightCurrentLine() ||
ShouldSerializeCurrentLineBackgroundAlpha() ||
ShouldSerializeStyle() ||
ShouldSerializeIsSticky();
}
public void EnsureVisible()
{
NativeScintilla.ScrollCaret();
}
public override string ToString()
{
return ShouldSerialize() ? base.ToString() : string.Empty;
}
public void ChooseCaretX()
{
NativeScintilla.ChooseCaretX();
}
#region Width
public int Width
{
get
{
return NativeScintilla.GetCaretWidth();
}
set
{
NativeScintilla.SetCaretWidth(value);
}
}
private bool ShouldSerializeWidth()
{
return Width != SystemInformation.CaretWidth;
}
private void ResetWidth()
{
Width = SystemInformation.CaretWidth;
}
#endregion
#region CaretStyle
public CaretStyle Style
{
get
{
return (CaretStyle)NativeScintilla.GetCaretStyle();
}
set
{
NativeScintilla.SetCaretStyle((int)value);
}
}
private bool ShouldSerializeStyle()
{
return Style != CaretStyle.Line;
}
private void ResetStyle()
{
Style = CaretStyle.Line;
}
#endregion
#region Color
public Color Color
{
get
{
if (Scintilla.ColorBag.ContainsKey("Caret.Color"))
return Scintilla.ColorBag["Caret.Color"];
Color c = Utilities.RgbToColor(NativeScintilla.GetCaretFore());
if (c == Color.FromArgb(0,0,0))
return Color.Black;
return c;
}
set
{
if (value == Color)
return;
if (value.IsKnownColor)
{
if (Color == Color.Black)
Scintilla.ColorBag.Remove("Caret.Color");
else
Scintilla.ColorBag["Caret.Color"] = value;
}
NativeScintilla.SetCaretFore(Utilities.ColorToRgb(value));
}
}
private bool ShouldSerializeColor()
{
return Color != Color.Black;
}
private void ResetColor()
{
Color = Color.Black;
}
#endregion Color
#region CurrentLineBackgroundColor
public Color CurrentLineBackgroundColor
{
get
{
if (Scintilla.ColorBag.ContainsKey("Caret.CurrentLineBackgroundColor"))
return Scintilla.ColorBag["Caret.CurrentLineBackgroundColor"];
Color c = Utilities.RgbToColor(NativeScintilla.GetCaretLineBack());
if (c.ToArgb() == Color.Yellow.ToArgb())
return Color.Yellow;
return c;
}
set
{
if (value == Color)
return;
if (value.IsKnownColor)
{
if (Color == Color.Yellow)
Scintilla.ColorBag.Remove("Caret.CurrentLineBackgroundColor");
else
Scintilla.ColorBag["Caret.CurrentLineBackgroundColor"] = value;
}
NativeScintilla.SetCaretLineBack(Utilities.ColorToRgb(value));
}
}
private bool ShouldSerializeCurrentLineBackgroundColor()
{
return CurrentLineBackgroundColor != Color.Yellow;
}
private void ResetCurrentLineBackgroundColor()
{
CurrentLineBackgroundColor = Color.Yellow;
}
#endregion
#region HighlightCurrentLine
public bool HighlightCurrentLine
{
get
{
return NativeScintilla.GetCaretLineVisible();
}
set
{
NativeScintilla.SetCaretLineVisible(value);
}
}
private bool ShouldSerializeHighlightCurrentLine()
{
return HighlightCurrentLine;
}
private void ResetHighlightCurrentLine()
{
HighlightCurrentLine = false;
}
#endregion
#region CurrentLineBackgroundAlpha
public int CurrentLineBackgroundAlpha
{
get
{
return NativeScintilla.GetCaretLineBackAlpha();
}
set
{
NativeScintilla.SetCaretLineBackAlpha(value);
}
}
private bool ShouldSerializeCurrentLineBackgroundAlpha()
{
return CurrentLineBackgroundAlpha != 256;
}
private void ResetCurrentLineBackgroundAlpha()
{
CurrentLineBackgroundAlpha = 256;
}
#endregion
#region BlinkRate
public int BlinkRate
{
get
{
return NativeScintilla.GetCaretPeriod();
}
set
{
NativeScintilla.SetCaretPeriod(value);
}
}
private bool ShouldSerializeBlinkRate()
{
return BlinkRate != SystemInformation.CaretBlinkTime;
}
private void ResetBlinkRate()
{
BlinkRate = SystemInformation.CaretBlinkTime;
}
#endregion
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public int Position
{
get
{
return NativeScintilla.GetCurrentPos();
}
set
{
NativeScintilla.SetCurrentPos(value);
}
}
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public int Anchor
{
get
{
return NativeScintilla.GetAnchor();
}
set
{
NativeScintilla.SetAnchor(value);
}
}
#region IsSticky
public bool IsSticky
{
get
{
return NativeScintilla.GetCaretSticky();
}
set
{
NativeScintilla.SetCaretSticky(value);
}
}
private bool ShouldSerializeIsSticky()
{
return IsSticky;
}
private void ResetIsSticky()
{
IsSticky = false;
}
#endregion
public void Goto(int position)
{
NativeScintilla.GotoPos(position);
}
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public int LineNumber
{
get
{
return NativeScintilla.LineFromPosition(NativeScintilla.GetCurrentPos());
}
set
{
NativeScintilla.GotoLine(value);
}
}
public void BringIntoView()
{
NativeScintilla.MoveCaretInsideView();
}
}
}
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