[pull] master from JohannBlais:master

InfoBox.Designer/InfoBox.Designer.csproj

@@ -98,6 +98,12 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="TextEditorForm.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="TextEditorForm.Designer.cs">
+      <DependentUpon>TextEditorForm.cs</DependentUpon>
+    </Compile>
     <EmbeddedResource Include="InformationBoxDesigner.resx">
       <SubType>Designer</SubType>
       <DependentUpon>InformationBoxDesigner.cs</DependentUpon>
@@ -112,6 +118,10 @@
       <DependentUpon>Resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
+    <EmbeddedResource Include="TextEditorForm.resx">
+       <SubType>Designer</SubType>
+      <DependentUpon>TextEditorForm.cs</DependentUpon>
+    </EmbeddedResource>
     <None Include="app.config" />
     <None Include="InfoBox.Designer_TemporaryKey.pfx" />
     <None Include="Properties\app.manifest" />

InfoBox.Designer/InformationBoxDesigner.cs

@@ -40,8 +40,25 @@ public partial class InformationBoxDesigner : Form
         /// </summary>
         private Color messageFontColor = Color.Empty;
 
+        /// <summary>
+        /// Text editor form instance
+        /// </summary>
+        private TextEditorForm textEditorForm = null;
+
         #endregion Attributes
 
+        #region Properties
+
+        /// <summary>
+        /// Gets the text content control for data binding.
+        /// </summary>
+        public TextBox TextContent
+        {
+            get { return this.txbText; }
+        }
+
+        #endregion Properties
+
         #region Constructors
 
         /// <summary>
@@ -861,6 +878,24 @@ private void BtnMessageColor_Click(object sender, EventArgs e)
 
         #endregion Fonts
 
+        /// <summary>
+        /// Handles the Click event of the btnEditText control.
+        /// </summary>
+        /// <param name="sender">The source of the event.</param>
+        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
+        private void BtnEditText_Click(object sender, EventArgs e)
+        {
+            if (this.textEditorForm == null || this.textEditorForm.IsDisposed)
+            {
+                this.textEditorForm = new TextEditorForm(this);
+            }
+
+            // Update font and color before showing
+            this.textEditorForm.UpdateFontAndColor(this.messageFont, this.messageFontColor);
+            this.textEditorForm.Show();
+            this.textEditorForm.BringToFront();
+        }
+
         #endregion Event handlers
     }
 }

InfoBox.Designer/TextEditorForm.cs

@@ -0,0 +1,96 @@
+// <copyright file="TextEditorForm.cs" company="Johann Blais">
+// Copyright (c) 2008 All Right Reserved
+// </copyright>
+// <author>Johann Blais</author>
+// <summary>Text editor form for InformationBox content</summary>
+
+namespace InfoBox.Designer
+{
+    using System;
+    using System.Drawing;
+    using System.Windows.Forms;
+
+    /// <summary>
+    /// Text editor form for editing InformationBox content.
+    /// </summary>
+    public partial class TextEditorForm : Form
+    {
+        private readonly InformationBoxDesigner parentDesigner;
+        private bool isUpdating = false;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="TextEditorForm"/> class.
+        /// </summary>
+        /// <param name="parentDesigner">The parent designer form.</param>
+        public TextEditorForm(InformationBoxDesigner parentDesigner)
+        {
+            this.parentDesigner = parentDesigner ?? throw new ArgumentNullException(nameof(parentDesigner));
+            this.InitializeComponent();
+            this.SetupDataBinding();
+        }
+
+        /// <summary>
+        /// Sets up data binding between the text editor and parent designer.
+        /// </summary>
+        private void SetupDataBinding()
+        {
+            // Set up two-way synchronization
+            this.txtContent.Text = this.parentDesigner.TextContent.Text;
+            this.txtContent.TextChanged += TxtContent_TextChanged;
+            this.parentDesigner.TextContent.TextChanged += ParentText_TextChanged;
+        }
+
+        /// <summary>
+        /// Handles text changes in the editor.
+        /// </summary>
+        private void TxtContent_TextChanged(object sender, EventArgs e)
+        {
+            if (!isUpdating)
+            {
+                isUpdating = true;
+                this.parentDesigner.TextContent.Text = this.txtContent.Text;
+                isUpdating = false;
+            }
+        }
+
+        /// <summary>
+        /// Handles text changes in the parent designer.
+        /// </summary>
+        private void ParentText_TextChanged(object sender, EventArgs e)
+        {
+            if (!isUpdating)
+            {
+                isUpdating = true;
+                this.txtContent.Text = this.parentDesigner.TextContent.Text;
+                isUpdating = false;
+            }
+        }
+
+        /// <summary>
+        /// Cleans up event handlers when the form is closed.
+        /// </summary>
+        protected override void OnFormClosing(FormClosingEventArgs e)
+        {
+            // Unsubscribe from events
+            this.txtContent.TextChanged -= TxtContent_TextChanged;
+            this.parentDesigner.TextContent.TextChanged -= ParentText_TextChanged;
+            base.OnFormClosing(e);
+        }
+
+        /// <summary>
+        /// Updates the font and color from the parent designer.
+        /// </summary>
+        public void UpdateFontAndColor(Font font, Color color)
+        {
+            if (font != null)
+            {
+                this.txtContent.Font = font;
+            }
+
+            if (color != Color.Empty)
+            {
+                this.txtContent.ForeColor = color;
+            }
+        }
+    }
+}