mirror of https://github.com/dahall/Vanara.git
Reorg'd, documented and cleaned
parent
2e4d6b9c3c
commit
bbdef1b861
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@ -3,46 +3,25 @@ using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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using System.Windows.Forms.VisualStyles;
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using Vanara.Extensions;
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using static Vanara.PInvoke.User32;
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// ReSharper disable UnusedMember.Global
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// ReSharper disable MemberCanBePrivate.Global
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// ReSharper disable EventNeverSubscribedTo.Global
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// ReSharper disable InconsistentNaming
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namespace Vanara.Windows.Forms
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{
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/// <summary>
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/// Represents a Windows Command Link control.
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/// </summary>
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/// <seealso cref="System.Windows.Forms.Button" />
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/// <summary>Represents a Windows Command Link control.</summary>
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/// <seealso cref="System.Windows.Forms.Button"/>
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[Designer(typeof(Design.CommandLinkDesigner)), DefaultProperty("Text")]
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public class CommandLink : Button
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{
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//private const uint BCM_GETNOTE = 0x0000160A;
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//private const uint BCM_GETNOTELENGTH = 0x0000160B;
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private const uint BCM_SETNOTE = 0x00001609;
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private const uint BCM_SETSHIELD = 0x0000160C;
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private const uint BM_SETIMAGE = 0x000000F7;
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private const uint BS_COMMANDLINK = 0x0000000E;
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private const uint BS_DEFCOMMANDLINK = 0x0000000F;
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private static readonly bool IsPlatformSupported = Environment.OSVersion.Version.Major > 5;
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private PushButtonState buttonState = PushButtonState.Normal;
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private string noteText;
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private bool showShield;
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/// <summary>
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/// Initializes a new instance of the <see cref="CommandLink"/> class.
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/// </summary>
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public CommandLink()
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{
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FlatStyle = IsPlatformSupported ? FlatStyle.System : FlatStyle.Standard;
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}
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/// <summary>Initializes a new instance of the <see cref="CommandLink"/> class.</summary>
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public CommandLink() => FlatStyle = IsPlatformSupported ? FlatStyle.System : FlatStyle.Standard;
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/// <summary>
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/// Gets or sets the drawing style for custom drawing. By default, a style the resembles how Vista renders Command Links is provided.
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@ -51,33 +30,25 @@ namespace Vanara.Windows.Forms
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public IDrawingStyle<CommandLink, PushButtonState> DrawingStyle { get; set; } = new VistaCustomDrawingStyle();
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/// <summary>
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/// Gets or sets the image that is displayed on a button control.
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/// </summary>
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/// <summary>Gets or sets the image that is displayed on a button control.</summary>
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[DefaultValue(null), Category("Appearance"), Localizable(true)]
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[Description("The image that is displayed on a button control.")]
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public new Bitmap Image
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{
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get
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{
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if (base.Image == null) return null;
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return base.Image as Bitmap ?? new Bitmap(base.Image);
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}
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get => base.Image is null ? null : base.Image as Bitmap ?? new Bitmap(base.Image);
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set
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{
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base.Image = value;
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if (IsPlatformSupported)
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this.SendMessage(BM_SETIMAGE, (IntPtr)1, (base.Image as Bitmap)?.GetHicon() ?? IntPtr.Zero);
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this.SendMessage((uint)ButtonMessage.BM_SETIMAGE, (IntPtr)1, (base.Image as Bitmap)?.GetHicon() ?? IntPtr.Zero);
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}
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}
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/// <summary>
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/// Gets or sets the optional supplemental note to show below the main text.
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/// </summary>
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/// <value>
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/// The text to display for the note. If this value is <c>null</c>, no note will be displayed.
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/// </value>
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/// <summary>Gets or sets the optional supplemental note to show below the main text.</summary>
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/// <value>The text to display for the note. If this value is <c>null</c>, no note will be displayed.</value>
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[Bindable(true)]
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[DefaultValue(null), Category("Appearance"), Localizable(true)]
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[Description("The text to display for the note.")]
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public string NoteText
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{
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get => noteText;
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@ -91,17 +62,10 @@ namespace Vanara.Windows.Forms
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}
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}
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private void SetNote()
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{
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if (IsPlatformSupported && IsHandleCreated)
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SendMessage(Handle, BCM_SETNOTE, IntPtr.Zero, noteText);
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}
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/// <summary>
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/// Gets or sets a value indicating whether to indicate that elevation is required by showing the elevation (shield) icon.
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/// </summary>
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/// <summary>Gets or sets a value indicating if elevation is required by showing the shield icon.</summary>
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/// <value><c>true</c> to indicate that elevation is required; otherwise, <c>false</c>.</value>
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[DefaultValue(false), Category("Behavior")]
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[Description("Indicates if elevation is required by showing the shield icon.")]
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public bool ShowShield
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{
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get => showShield;
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@ -110,45 +74,35 @@ namespace Vanara.Windows.Forms
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if (showShield == value) return;
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showShield = value;
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if (IsPlatformSupported)
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this.SendMessage(BCM_SETSHIELD, (IntPtr)0, (IntPtr)(value ? 1 : 0));
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this.SendMessage((uint)ButtonMessage.BCM_SETSHIELD, (IntPtr)0, (IntPtr)(value ? 1 : 0));
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Invalidate();
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}
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}
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/// <summary>
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/// Gets a <see cref="T:System.Windows.Forms.CreateParams" /> on the base class when creating a window.
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/// </summary>
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/// <summary>Gets a <see cref="T:System.Windows.Forms.CreateParams"/> on the base class when creating a window.</summary>
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protected override CreateParams CreateParams
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{
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get
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{
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var cp = base.CreateParams;
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if (IsPlatformSupported)
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cp.Style |= (int)(Default ? BS_DEFCOMMANDLINK : BS_COMMANDLINK);
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cp.Style |= (int)(Default ? ButtonStyle.BS_DEFCOMMANDLINK : ButtonStyle.BS_COMMANDLINK);
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return cp;
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}
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}
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/// <summary>
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/// Gets the default size of the control.
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/// </summary>
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/// <summary>Gets the default size of the control.</summary>
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protected override Size DefaultSize => new Size(200, AutoSize ? PreferredSize.Height : 58);
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private bool Default => ReferenceEquals(FindForm()?.AcceptButton, this);
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/// <summary>
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/// Retrieves the size of a rectangular area into which a control can be fitted.
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/// </summary>
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/// <summary>Retrieves the size of a rectangular area into which a control can be fitted.</summary>
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/// <param name="proposedSize">The custom-sized area for a control.</param>
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/// <returns>
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/// An ordered pair of type <see cref="T:System.Drawing.Size" /> representing the width and height of a rectangle.
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/// </returns>
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/// <returns>An ordered pair of type <see cref="T:System.Drawing.Size"/> representing the width and height of a rectangle.</returns>
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public override Size GetPreferredSize(Size proposedSize) => IsPlatformSupported ? proposedSize : DrawingStyle.Measure(this, buttonState);
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/// <summary>
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/// Raises the <see cref="E:Control.EnabledChanged" /> event.
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/// </summary>
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/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
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/// <summary>Raises the <see cref="E:Control.EnabledChanged"/> event.</summary>
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/// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param>
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protected override void OnEnabledChanged(EventArgs e)
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{
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base.OnEnabledChanged(e);
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@ -158,12 +112,15 @@ namespace Vanara.Windows.Forms
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Invalidate();
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}
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protected override void OnHandleCreated(EventArgs e) { base.OnHandleCreated(e); SetNote(); }
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/// <summary>Raises the <see cref="E:System.Windows.Forms.Control.HandleCreated"/> event.</summary>
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/// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param>
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protected override void OnHandleCreated(EventArgs e)
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{
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base.OnHandleCreated(e); SetNote();
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}
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/// <summary>
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/// Raises the <see cref="E:System.Windows.Forms.Control.MouseDown" /> event.
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/// </summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.MouseEventArgs" /> that contains the event data.</param>
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/// <summary>Raises the <see cref="E:System.Windows.Forms.Control.MouseDown"/> event.</summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.MouseEventArgs"/> that contains the event data.</param>
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protected override void OnMouseDown(MouseEventArgs e)
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{
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buttonState = Enabled ? PushButtonState.Pressed : PushButtonState.Disabled;
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@ -171,9 +128,7 @@ namespace Vanara.Windows.Forms
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base.OnMouseDown(e);
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}
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/// <summary>
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/// Raises the <see cref="E:Control.MouseEnter" /> event.
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/// </summary>
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/// <summary>Raises the <see cref="E:Control.MouseEnter"/> event.</summary>
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/// <param name="e">Provides information for the event.</param>
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protected override void OnMouseEnter(EventArgs e)
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{
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@ -182,9 +137,7 @@ namespace Vanara.Windows.Forms
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base.OnMouseEnter(e);
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}
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/// <summary>
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/// Raises the <see cref="E:Control.MouseLeave" /> event.
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/// </summary>
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/// <summary>Raises the <see cref="E:Control.MouseLeave"/> event.</summary>
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/// <param name="e">Provides missing information for the event.</param>
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protected override void OnMouseLeave(EventArgs e)
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{
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@ -193,10 +146,8 @@ namespace Vanara.Windows.Forms
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base.OnMouseLeave(e);
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}
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/// <summary>
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/// Raises the <see cref="E:System.Windows.Forms.Control.MouseUp" /> event.
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/// </summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.MouseEventArgs" /> that contains the event data.</param>
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/// <summary>Raises the <see cref="E:System.Windows.Forms.Control.MouseUp"/> event.</summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.MouseEventArgs"/> that contains the event data.</param>
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protected override void OnMouseUp(MouseEventArgs e)
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{
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buttonState = Enabled ? PushButtonState.Hot : PushButtonState.Disabled;
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@ -204,10 +155,8 @@ namespace Vanara.Windows.Forms
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base.OnMouseUp(e);
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}
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/// <summary>
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/// Raises the <see cref="E:System.Windows.Forms.Control.Paint" /> event.
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/// </summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs" /> that contains the event data.</param>
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/// <summary>Raises the <see cref="E:System.Windows.Forms.Control.Paint"/> event.</summary>
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/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs"/> that contains the event data.</param>
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protected override void OnPaint(PaintEventArgs e)
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{
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if (IsPlatformSupported)
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@ -225,6 +174,12 @@ namespace Vanara.Windows.Forms
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DrawingStyle.Draw(this, buttonState, e);
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}
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}
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private void SetNote()
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{
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if (IsPlatformSupported && IsHandleCreated)
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SendMessage(Handle, (uint)ButtonMessage.BCM_SETNOTE, IntPtr.Zero, noteText);
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}
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}
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internal class VistaCustomDrawingStyle : IDrawingStyle<CommandLink, PushButtonState>
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@ -239,7 +194,7 @@ namespace Vanara.Windows.Forms
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private const int tbMargin = 10;
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private static readonly Font largeFont = new Font(fontName, 12, FontStyle.Regular, GraphicsUnit.Point, 0);
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private static readonly Font smallFont = new Font(fontName, 9, FontStyle.Regular, GraphicsUnit.Point, 0);
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private static readonly Dictionary<PushButtonState, DrawPattern> paintPattern = new Dictionary<PushButtonState, DrawPattern>
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{
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[PushButtonState.Normal] = new DrawPattern(Color.Transparent, Color.Transparent, Color.FromArgb(21, 28, 85), Properties.Resources.ArrowNormal),
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@ -249,6 +204,8 @@ namespace Vanara.Windows.Forms
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[PushButtonState.Default] = new DrawPattern(Color.Transparent, Color.FromArgb(192, 233, 243), Color.FromArgb(21, 28, 85), Properties.Resources.ArrowNormal)
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};
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private static readonly Font smallFont = new Font(fontName, 9, FontStyle.Regular, GraphicsUnit.Point, 0);
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public void Draw(CommandLink ctrl, PushButtonState state, PaintEventArgs e)
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{
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var m = new Measurements(ctrl, state, e.Graphics);
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@ -275,10 +232,7 @@ namespace Vanara.Windows.Forms
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{
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private int h;
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public DrawPattern(Color fill, Color line, Color text, Image arrow) : this(line, text, arrow)
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{
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Fill = fill.IsSystemColor ? SystemBrushes.FromSystemColor(fill) : new SolidBrush(fill);
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}
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public DrawPattern(Color fill, Color line, Color text, Image arrow) : this(line, text, arrow) => Fill = fill.IsSystemColor ? SystemBrushes.FromSystemColor(fill) : new SolidBrush(fill);
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public DrawPattern(Color fill1, Color fill2, int height, Color line, Color text, Image arrow)
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: this(line, text, arrow)
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