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Fast Colored TextBox for Syntax Highlighting

, 12 Jul 2014
Custom text editor with syntax highlighting
example-noexe.zip
example.zip
FastColoredTextBox.dll
WindowsFormsApplication8.exe
FastColoredTextBox.zip
FastColoredTextBox
FastColoredTextBox.suo
FastColoredTextBoxVS2008.suo
FastColoredTextBox
SyntaxHighlighter.cs.old
bin
Debug
FastColoredTextBox.dll
obj
Debug
FastColoredTextBox.dll
FastColoredTextBoxNS.FastColoredTextBox.resources
FastColoredTextBoxNS.FindForm.resources
FastColoredTextBoxNS.GoToForm.resources
FastColoredTextBoxNS.ReplaceForm.resources
Release
FastColoredTextBox.dll
FastColoredTextBoxNS.FastColoredTextBox.resources
FastColoredTextBoxNS.FindForm.resources
FastColoredTextBoxNS.ReplaceForm.resources
GenerateResource-ResGen.read.1.tlog
GenerateResource-ResGen.write.1.tlog
Properties
Tester
Tester.csproj.user
bin
Debug
FastColoredTextBox.dll
TabStrip.dll
Tester.exe
Tester.vshost.exe
obj
x86
Debug
Tester.AutocompleteSample.resources
Tester.AutocompleteSample2.resources
Tester.AutoIndentSample.resources
Tester.BilingualHighlighterSample.resources
Tester.BookmarksSample.resources
Tester.ConsoleSample.resources
Tester.CustomFoldingSample.resources
Tester.CustomHint.resources
Tester.CustomStyleSample.resources
Tester.CustomTextSourceSample.resources
Tester.DynamicSyntaxHighlighting.resources
Tester.exe
Tester.GifImageDrawingSample.resources
Tester.HintSample.resources
Tester.HyperlinkSample.resources
Tester.IMEsample.resources
Tester.JokeSample.resources
Tester.LazyLoadingSample.resources
Tester.LoggerSample.resources
Tester.MainForm.resources
Tester.MarkerToolSample.resources
Tester.PowerfulCSharpEditor.resources
Tester.PowerfulSample.resources
Tester.PredefinedStylesSample.resources
Tester.Properties.Resources.resources
Tester.ReadOnlyBlocksSample.resources
Tester.SimplestCodeFoldingSample.resources
Tester.SimplestSyntaxHighlightingSample.resources
Tester.SplitSample.resources
Tester.SyntaxHighlightingByXmlDescription.resources
Tester.TooltipSample.resources
Tester.VisibleRangeChangedDelayedSample.resources
TempPE
Properties.Resources.Designer.cs.dll
Release
GenerateResource-ResGen.read.1.tlog
GenerateResource-ResGen.write.1.tlog
Tester.AutocompleteSample.resources
Tester.AutocompleteSample2.resources
Tester.AutoIndentSample.resources
Tester.BookmarksSample.resources
Tester.CustomStyleSample.resources
Tester.DynamicSyntaxHighlighting.resources
Tester.exe
Tester.GifImageDrawingSample.resources
Tester.IMEsample.resources
Tester.JokeSample.resources
Tester.LazyLoadingSample.resources
Tester.LoggerSample.resources
Tester.MainForm.resources
Tester.MarkerToolSample.resources
Tester.PowerfulCSharpEditor.resources
Tester.PowerfulSample.resources
Tester.Properties.Resources.resources
Tester.SimplestCodeFoldingSample.resources
Tester.SimplestSyntaxHighlightingSample.resources
Tester.SplitSample.resources
Tester.SyntaxHighlightingByXmlDescription.resources
Tester.TooltipSample.resources
Tester.VisibleRangeChangedDelayedSample.resources
TempPE
Properties.Resources.Designer.cs.dll
Properties
Settings.settings
Resources
backward0_16x16.png
bookmark--plus.png
box.png
bye.gif
class_libraries.png
edit-padding-top.png
forward_16x16.png
layer--minus.png
layer--plus.png
lightning.png
lol.gif
property.png
redo_16x16.png
rolleyes.gif
sad_16x16.png
smile_16x16.png
undo_16x16.png
unsure.gif
TesterVB
TesterVB.vbproj.user
bin
Debug
FastColoredTextBox.dll
TabStrip.dll
TesterVB.exe
TesterVB.vshost.exe
TesterVB.vshost.exe.manifest
My Project
Application.myapp
Settings.settings
obj
x86
Debug
TesterVB.AutocompleteSample.resources
TesterVB.AutocompleteSample2.resources
TesterVB.AutoIndentSample.resources
TesterVB.BookmarksSample.resources
TesterVB.exe
TesterVB.PowerfulSample.resources
TesterVB.Resources.resources
TesterVB.TesterVB.ConsoleSample.resources
TesterVB.TesterVB.CustomStyleSample.resources
TesterVB.TesterVB.JokeSample.resources
TesterVB.TesterVB.LazyLoadingSample.resources
TesterVB.TesterVB.MainForm.resources
TesterVB.TesterVB.PowerfulCSharpEditor.resources
TesterVB.TesterVB.TooltipSample.resources
TempPE
My Project.Resources.Designer.vb.dll
Resources
99.jpeg
backward0_16x16.png
bookmark--plus.png
box.png
bye.gif
class_libraries.png
edit-padding-top.png
forward_16x16.png
layer--minus.png
layer--plus.png
lightning.png
lol.gif
property.png
redo_16x16.png
rolleyes.gif
sad_16x16.png
smile_16x16.png
undo_16x16.png
unsure.gif
FastColoredTextBoxCF.zip
FastColoredTextBoxCF
FastColoredTextBox
FastColoredTextBox.csproj.user
bin
Release
FastColoredTextBox.dll
FastColoredTextBox.pdb
Properties
Tester
Tester.csproj.user
bin
Release
FastColoredTextBox.dll
FastColoredTextBox.pdb
Tester.exe
Tester.pdb
Properties
FastColoredTextBoxDemo-noexe.zip
FastColoredTextBoxDemo
FastColoredTextBoxDemo.zip
FastColoredTextBox.dll
TabStrip.dll
Tester.exe
fastcoloredtextboxime-noexe.zip
fastcoloredtextboxime.zip
FastColoredTextBox.dll
WindowsFormsApplication83.exe
FastColoredTextBox_Help.zip
FastColoredTextBox_Help.chm
IronyFCTB-noexe.zip
IronyFCTB
IronyFCTB.suo
ExternalDlls
IronyFCTB
bin
Debug
obj
Debug
Properties
Tester
bin
Debug
obj
x86
Debug
Tester.MainForm.resources
Tester.Properties.Resources.resources
Tester.SimplestSample.resources
Properties
Settings.settings
IronyFCTB.zip
IronyFCTB.suo
FastColoredTextBox.dll
Irony.dll
Irony.Interpreter.dll
Irony.Samples.dll
FastColoredTextBox.dll
Irony.dll
IronyFCTB.dll
IronyFCTB.pdb
DesignTimeResolveAssemblyReferences.cache
DesignTimeResolveAssemblyReferencesInput.cache
IronyFCTB.csprojResolveAssemblyReference.cache
IronyFCTB.dll
IronyFCTB.pdb
FastColoredTextBox.dll
Irony.dll
Irony.Interpreter.dll
Irony.Samples.dll
IronyFCTB.dll
IronyFCTB.pdb
Tester.exe
Tester.pdb
Tester.vshost.exe
DesignTimeResolveAssemblyReferences.cache
DesignTimeResolveAssemblyReferencesInput.cache
Tester.csproj.GenerateResource.Cache
Tester.csprojResolveAssemblyReference.cache
Tester.exe
Tester.MainForm.resources
Tester.pdb
Tester.Properties.Resources.resources
Tester.SimplestSample.resources
Settings.settings
using System;
using System.Drawing;
using System.Windows.Forms;
using FastColoredTextBoxNS;
using System.Drawing.Drawing2D;

namespace Tester
{
    public partial class MarkerToolSample : Form
    {
        //Shortcut style
        ShortcutStyle shortCutStyle = new ShortcutStyle(Pens.Maroon);
        //Marker styles
        MarkerStyle YellowStyle = new MarkerStyle(new SolidBrush(Color.FromArgb(180, Color.Yellow)));
        MarkerStyle RedStyle = new MarkerStyle(new SolidBrush(Color.FromArgb(180, Color.Red)));
        MarkerStyle GreenStyle = new MarkerStyle(new SolidBrush(Color.FromArgb(180, Color.Green)));

        public MarkerToolSample()
        {
            InitializeComponent();
            //add style explicitly to control for define priority of style drawing
            fctb.AddStyle(YellowStyle);//render first
            fctb.AddStyle(RedStyle);//red will be rendering over yellow
            fctb.AddStyle(GreenStyle);//green will be rendering over yellow and red
            fctb.AddStyle(shortCutStyle);//render last, over all other styles
        }

        private void fctb_SelectionChangedDelayed(object sender, EventArgs e)
        {
            //here we draw shortcut for selection area
            Range selection = fctb.Selection;
            //clear previous shortcuts
            fctb.VisibleRange.ClearStyle(shortCutStyle);
            //create shortcuts
            if (!selection.IsEmpty)//user selected one or more chars?
            {
                //find last char
                var r = selection.Clone();
                r.Normalize();
                r.Start = r.End;//go to last char
                r.GoLeft(true);//select last char
                //apply ShortCutStyle
                r.SetStyle(shortCutStyle);
            }
        }


        private void fctb_VisualMarkerClick(object sender, VisualMarkerEventArgs e)
        {
            //is it our style ?
            if (e.Style == shortCutStyle)
            {
                //show popup menu
                cmMark.Show(fctb.PointToScreen(e.Location));
            }
        }

        private void markAsYellowToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TrimSelection();
            //set background style
            switch((string)((sender as ToolStripMenuItem).Tag))
            {
                case "yellow": fctb.Selection.SetStyle(YellowStyle); break;
                case "red": fctb.Selection.SetStyle(RedStyle); break;
                case "green": fctb.Selection.SetStyle(GreenStyle); break;
                case "lineBackground": fctb[fctb.Selection.Start.iLine].BackgroundBrush = Brushes.Pink; break;
            }
            //clear shortcut style
            fctb.Selection.ClearStyle(shortCutStyle);
        }

        private void TrimSelection()
        {
            var sel = fctb.Selection;

            //trim left
            sel.Normalize();
            while (char.IsWhiteSpace(sel.CharAfterStart) && sel.Start < sel.End)
                sel.GoRight(true);
            //trim right
            sel.Inverse();
            while (char.IsWhiteSpace(sel.CharBeforeStart) && sel.Start > sel.End)
                sel.GoLeft(true);
        }

        private void clearMarkedToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fctb.Selection.ClearStyle(YellowStyle, RedStyle, GreenStyle);
            fctb[fctb.Selection.Start.iLine].BackgroundBrush = null;
        }

        private void fctb_PaintLine(object sender, PaintLineEventArgs e)
        {
            //draw current line marker
            if (e.LineIndex == fctb.Selection.Start.iLine)
                e.Graphics.FillEllipse(new LinearGradientBrush(new Rectangle(0, e.LineRect.Top, 15, 15), Color.LightPink, Color.Red, 45), 0, e.LineRect.Top, 15, 15);
        }

        private void fctb_Resize(object sender, EventArgs e)
        {
            fctb.BackBrush = new LinearGradientBrush(fctb.ClientRectangle, Color.White, Color.Silver,
                                                     LinearGradientMode.Vertical);
        }
    }
}

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This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)

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About the Author

Pavel Torgashov

Ukraine Ukraine
I am Pavеl Tоrgаshоv, and I live in Kyiv, Ukraine.
I've been developing software since 1998.
Main activities: processing of large volumes of data, statistics, computer vision and graphics.
 
My contact email is p_torgashov[at]ukr.net

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