kopia lustrzana https://github.com/dl2alf/AirScout
380 wiersze
12 KiB
C#
380 wiersze
12 KiB
C#
using System;
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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.Windows.Forms;
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using System.Windows.Forms.VisualStyles;
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using Vanara.Interop.DesktopWindowManager;
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namespace AeroWizard
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{
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/// <summary>
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/// A button that displays an image and no text.
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/// </summary>
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[ToolboxItem(true), ToolboxBitmap(typeof(ThemedImageButton), "ThemedImageButton.bmp")]
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public class ThemedImageButton : ButtonBase
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{
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private const string defaultText = "";
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private const string defaultToolTip = "Returns to a previous page";
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private ToolTip toolTip;
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private VisualStyleRenderer rnd = null;
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/// <summary>
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/// Initializes a new instance of the <see cref="ThemedImageButton"/> class.
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/// </summary>
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public ThemedImageButton()
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{
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SetStyle(ControlStyles.SupportsTransparentBackColor |
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ControlStyles.OptimizedDoubleBuffer |
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ControlStyles.AllPaintingInWmPaint |
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ControlStyles.ResizeRedraw |
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ControlStyles.UserPaint, true);
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ButtonState = PushButtonState.Normal;
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toolTip = new ToolTip();
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toolTip.SetToolTip(this, defaultToolTip);
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StyleClass = "BUTTON";
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StylePart = 1;
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Text = defaultText;
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}
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/// <summary>
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/// Gets or sets the background color of the control.
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/// </summary>
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/// <returns>A <see cref="T:System.Drawing.Color" /> value representing the background color.</returns>
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public override Color BackColor
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{
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get { return OnGlass ? Color.Transparent : base.BackColor; }
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set { base.BackColor = value; }
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}
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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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/// <returns>The <see cref="T:System.Drawing.Image" /> displayed on the button control. The default value is null.</returns>
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public new Image Image
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{
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get { return base.Image; }
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set
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{
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if (value != null)
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{
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InitializeImageList(value.Size);
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ImageList.Images.Add(value);
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}
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else
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ImageList = null;
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base.Image = value;
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}
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}
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/// <summary>
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/// Gets or sets the style class.
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/// </summary>
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/// <value>The style class.</value>
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[DefaultValue("BUTTON"), Category("Appearance")]
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public string StyleClass { get; set; }
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/// <summary>
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/// Gets or sets the style part.
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/// </summary>
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/// <value>The style part.</value>
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[DefaultValue(1), Category("Appearance")]
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public int StylePart { get; set; }
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/// <summary>
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/// Gets or sets the text associated with this control.
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/// </summary>
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/// <returns>
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/// The text associated with this control.
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/// </returns>
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[DefaultValue(defaultText), Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), EditorBrowsable(EditorBrowsableState.Never)]
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public override string Text
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{
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get { return base.Text; }
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set { base.Text = value; }
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}
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/// <summary>
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/// Gets or sets the tool tip text.
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/// </summary>
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/// <value>The tool tip text.</value>
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[DefaultValue(defaultToolTip), Category("Appearance")]
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public string ToolTipText
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{
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get { return toolTip.GetToolTip(this); }
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set { toolTip.SetToolTip(this, value); }
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}
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/// <summary>
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/// Gets or sets the state of the button.
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/// </summary>
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/// <value>The state of the button.</value>
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protected PushButtonState ButtonState { get; set; }
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/// <summary>
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/// Gets a value indicating whether on glass.
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/// </summary>
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/// <value><c>true</c> if on glass; otherwise, <c>false</c>.</value>
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private bool OnGlass => !this.IsDesignMode() && DesktopWindowManager.CompositionEnabled;
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/// <summary>
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/// Retrieves the default size for the control.
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/// </summary>
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/// <value></value>
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/// <returns>
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/// The default <see cref="T:System.Drawing.Size"/> of the control.
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/// </returns>
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protected override Size DefaultSize => new Size(30, 30);
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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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/// <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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public override Size GetPreferredSize(Size proposedSize) => DefaultSize;
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/// <summary>
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/// For button user use to simulate a click operate.
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/// </summary>
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public void PerformClicked()
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{
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base.OnClick(EventArgs.Empty);
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}
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/// <summary>
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/// Sets the image list images using an image strip.
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/// </summary>
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/// <param name="imageStrip">The image strip.</param>
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/// <param name="orientation">The orientation of the strip.</param>
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public void SetImageListImageStrip(Image imageStrip, Orientation orientation)
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{
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if (imageStrip == null)
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ImageList = null;
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else
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{
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Size imageSize = orientation == Orientation.Vertical ? new Size(imageStrip.Width, imageStrip.Height / 4) : new Size(imageStrip.Width / 4, imageStrip.Height);
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InitializeImageList(imageSize);
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using (Bitmap bmp = new Bitmap(imageStrip))
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{
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for (Rectangle r = new Rectangle(Point.Empty, imageSize); r.Y < imageStrip.Height; r.Y += imageSize.Height)
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ImageList.Images.Add(bmp.Clone(r, bmp.PixelFormat));
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}
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}
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}
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/// <summary>
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/// Process Enabled property changed
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/// </summary>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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protected override void OnEnabledChanged(EventArgs e)
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{
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ButtonState = Enabled ? PushButtonState.Normal : PushButtonState.Disabled;
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Invalidate();
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base.OnEnabledChanged(e);
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}
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/// <summary>
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/// Raises the <see cref="E:System.Windows.Forms.Control.GotFocus" /> event.
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/// </summary>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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protected override void OnGotFocus(EventArgs e)
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{
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Invalidate();
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base.OnGotFocus(e);
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}
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/// <summary>
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/// Raises the <see cref="E:System.Windows.Forms.Control.LostFocus" /> event.
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/// </summary>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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protected override void OnLostFocus(EventArgs e)
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{
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Invalidate();
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base.OnLostFocus(e);
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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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protected override void OnMouseDown(MouseEventArgs e)
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{
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if ((e.Button & MouseButtons.Left) != MouseButtons.Left) return;
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ButtonState = PushButtonState.Pressed;
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Invalidate();
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base.OnMouseDown(e);
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}
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/// <summary>
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/// Raises the <see cref="M:System.Windows.Forms.Control.OnMouseEnter(System.EventArgs)"/> 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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protected override void OnMouseEnter(EventArgs e)
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{
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ButtonState = PushButtonState.Hot;
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Invalidate();
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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:System.Windows.Forms.Control.MouseLeave"/> 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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protected override void OnMouseLeave(EventArgs e)
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{
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ButtonState = Enabled ? PushButtonState.Normal : PushButtonState.Disabled;
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Invalidate();
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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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protected override void OnMouseUp(MouseEventArgs e)
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{
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if ((e.Button & MouseButtons.Left) != MouseButtons.Left) return;
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ButtonState = Enabled ? PushButtonState.Hot : PushButtonState.Disabled;
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Invalidate();
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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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protected override void OnPaint(PaintEventArgs e)
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{
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if (Visible)
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{
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Graphics g = e.Graphics;
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g.SmoothingMode = SmoothingMode.HighQuality;
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g.CompositingQuality = CompositingQuality.HighQuality;
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g.InterpolationMode = InterpolationMode.HighQualityBicubic;
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PaintButton(e.Graphics, e.ClipRectangle);
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}
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}
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/// <summary>
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/// Paints the background of the control.
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/// </summary>
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/// <param name="pevent">A <see cref="T:System.Windows.Forms.PaintEventArgs" /> that contains information about the control to paint.</param>
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protected override void OnPaintBackground(PaintEventArgs pevent)
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{
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base.OnPaintBackground(pevent);
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}
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/// <summary>
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/// Primary function for painting the button. This method should be overridden instead of OnPaint.
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/// </summary>
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/// <param name="graphics">The graphics.</param>
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/// <param name="bounds">The bounds.</param>
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protected virtual void PaintButton(Graphics graphics, Rectangle bounds)
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{
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System.Diagnostics.Debug.WriteLine($"PaintButton: desMode:{this.IsDesignMode()};vsEnabled:{Application.RenderWithVisualStyles};vsOnOS:{VisualStyleInformation.IsSupportedByOS};btnState:{ButtonState};enabled:{Enabled};imgCt:{(ImageList != null ? ImageList.Images.Count : 0)}");
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if (InitializeRenderer())
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{
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if (OnGlass)
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{
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rnd.DrawGlassBackground(graphics, bounds, bounds);
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}
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else
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{
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rnd.DrawParentBackground(graphics, bounds, this);
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rnd.DrawBackground(graphics, bounds);
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}
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}
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else
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{
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if (ImageList != null && ImageList.Images.Count > 0)
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{
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int idx = (int)ButtonState - 1;
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if (ImageList.Images.Count == 1)
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idx = 0;
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else if (ImageList.Images.Count == 2)
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idx = ButtonState == PushButtonState.Disabled ? 1 : 0;
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else if (ImageList.Images.Count == 3)
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idx = ButtonState == PushButtonState.Normal ? 0 : idx - 1;
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bool forceDisabled = !Enabled && ImageList.Images.Count == 1;
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if (OnGlass)
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{
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VisualStyleRendererExtension.DrawGlassImage(null, graphics, bounds, ImageList.Images[idx], forceDisabled);
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}
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else
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{
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if (!Application.RenderWithVisualStyles && VisualStyleInformation.IsSupportedByOS)
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{
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System.Drawing.Drawing2D.GraphicsContainer g = graphics.BeginContainer();
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Rectangle translateRect = bounds;
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graphics.TranslateTransform(-bounds.Left, -bounds.Top);
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PaintEventArgs pe = new PaintEventArgs(graphics, translateRect);
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InvokePaintBackground(Parent, pe);
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InvokePaint(Parent, pe);
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graphics.ResetTransform();
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graphics.EndContainer(g);
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}
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else
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graphics.Clear(Parent.BackColor);
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if (forceDisabled)
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ControlPaint.DrawImageDisabled(graphics, ImageList.Images[idx], 0, 0, Color.Transparent);
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else
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{
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//base.ImageList.Draw(graphics, bounds.X, bounds.Y, bounds.Width, bounds.Height, idx);
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//VisualStyleRendererExtender.DrawGlassImage(null, graphics, bounds, base.ImageList.Images[idx], forceDisabled); // Not 7
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graphics.DrawImage(ImageList.Images[idx], bounds, bounds, GraphicsUnit.Pixel); // Works on XP, not 7, with Parent.BackColor
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}
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}
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}
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/*else if (this.ImageList != null && this.ImageList.Images.Count > 1)
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{
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int idx = (int)ButtonState - 1;
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if (this.ImageList.Images.Count == 2)
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idx = ButtonState == PushButtonState.Disabled ? 1 : 0;
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if (this.ImageList.Images.Count == 3)
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idx = ButtonState == PushButtonState.Normal ? 0 : idx - 1;
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if (rnd != null && !this.IsDesignMode() && DesktopWindowManager.IsCompositionEnabled())
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rnd.DrawGlassIcon(graphics, bounds, this.ImageList, idx);
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else
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this.ImageList.Draw(graphics, bounds.X, bounds.Y, bounds.Width, bounds.Height, idx);
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}*/
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// No image so draw standard button
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else
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{
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ButtonRenderer.DrawParentBackground(graphics, bounds, this);
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ButtonRenderer.DrawButton(graphics, bounds, ButtonState);
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}
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}
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if (Focused)
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ControlPaint.DrawFocusRectangle(graphics, bounds);
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}
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private void InitializeImageList(Size imageSize)
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{
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ImageList = new ImageList() { ImageSize = imageSize, ColorDepth = ColorDepth.Depth32Bit, TransparentColor = Color.Transparent };
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}
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private bool InitializeRenderer()
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{
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if (Application.RenderWithVisualStyles)
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{
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try
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{
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if (rnd == null)
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rnd = new VisualStyleRenderer(StyleClass, StylePart, (int)ButtonState);
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else
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rnd.SetParameters(StyleClass, StylePart, (int)ButtonState);
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return true;
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}
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catch { }
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}
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return false;
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}
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}
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} |