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meelstorm
195
framework/MaterialSkin.Core/Controls/MaterialContextMenuStrip.cs
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195
framework/MaterialSkin.Core/Controls/MaterialContextMenuStrip.cs
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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.Drawing.Text;
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using System.Windows.Forms;
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using MaterialSkin.Animations;
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namespace MaterialSkin.Controls
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{
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public class MaterialContextMenuStrip : ContextMenuStrip, IMaterialControl
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{
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//Properties for managing the material design properties
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[Browsable(false)]
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public int Depth { get; set; }
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[Browsable(false)]
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public MaterialSkinManager SkinManager => MaterialSkinManager.Instance;
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[Browsable(false)]
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public MouseState MouseState { get; set; }
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internal AnimationManager AnimationManager;
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internal Point AnimationSource;
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public delegate void ItemClickStart(object sender, ToolStripItemClickedEventArgs e);
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public event ItemClickStart OnItemClickStart;
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public MaterialContextMenuStrip()
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{
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Renderer = new MaterialToolStripRender();
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AnimationManager = new AnimationManager(false)
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{
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Increment = 0.07,
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AnimationType = AnimationType.Linear
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};
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AnimationManager.OnAnimationProgress += sender => Invalidate();
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AnimationManager.OnAnimationFinished += sender => OnItemClicked(_delayesArgs);
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BackColor = SkinManager.GetApplicationBackgroundColor();
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}
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protected override void OnMouseUp(MouseEventArgs mea)
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{
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base.OnMouseUp(mea);
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AnimationSource = mea.Location;
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}
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private ToolStripItemClickedEventArgs _delayesArgs;
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protected override void OnItemClicked(ToolStripItemClickedEventArgs e)
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{
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if (e.ClickedItem != null && !(e.ClickedItem is ToolStripSeparator))
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{
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if (e == _delayesArgs)
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{
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//The event has been fired manualy because the args are the ones we saved for delay
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base.OnItemClicked(e);
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}
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else
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{
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//Interrupt the default on click, saving the args for the delay which is needed to display the animaton
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_delayesArgs = e;
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//Fire custom event to trigger actions directly but keep cms open
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OnItemClickStart?.Invoke(this, e);
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//Start animation
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AnimationManager.StartNewAnimation(AnimationDirection.In);
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}
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}
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}
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}
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public class MaterialToolStripMenuItem : ToolStripMenuItem
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{
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public MaterialToolStripMenuItem()
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{
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AutoSize = false;
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Size = new Size(120, 30);
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}
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protected override ToolStripDropDown CreateDefaultDropDown()
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{
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var baseDropDown = base.CreateDefaultDropDown();
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if (DesignMode) return baseDropDown;
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var defaultDropDown = new MaterialContextMenuStrip();
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defaultDropDown.Items.AddRange(baseDropDown.Items);
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return defaultDropDown;
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}
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}
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internal class MaterialToolStripRender : ToolStripProfessionalRenderer, IMaterialControl
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{
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//Properties for managing the material design properties
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public int Depth { get; set; }
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public MaterialSkinManager SkinManager => MaterialSkinManager.Instance;
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public MouseState MouseState { get; set; }
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protected override void OnRenderItemText(ToolStripItemTextRenderEventArgs e)
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{
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var g = e.Graphics;
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g.TextRenderingHint = TextRenderingHint.AntiAlias;
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var itemRect = GetItemRect(e.Item);
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var textRect = new Rectangle(24, itemRect.Y, itemRect.Width - (24 + 16), itemRect.Height);
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g.DrawString(
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e.Text,
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SkinManager.ROBOTO_MEDIUM_10,
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e.Item.Enabled ? SkinManager.GetPrimaryTextBrush() : SkinManager.GetDisabledOrHintBrush(),
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textRect,
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new StringFormat { LineAlignment = StringAlignment.Center });
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}
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protected override void OnRenderMenuItemBackground(ToolStripItemRenderEventArgs e)
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{
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var g = e.Graphics;
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g.Clear(SkinManager.GetApplicationBackgroundColor());
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//Draw background
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var itemRect = GetItemRect(e.Item);
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g.FillRectangle(e.Item.Selected && e.Item.Enabled ? SkinManager.GetCmsSelectedItemBrush() : new SolidBrush(SkinManager.GetApplicationBackgroundColor()), itemRect);
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//Ripple animation
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var toolStrip = e.ToolStrip as MaterialContextMenuStrip;
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if (toolStrip != null)
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{
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var animationManager = toolStrip.AnimationManager;
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var animationSource = toolStrip.AnimationSource;
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if (toolStrip.AnimationManager.IsAnimating() && e.Item.Bounds.Contains(animationSource))
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{
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for (int i = 0; i < animationManager.GetAnimationCount(); i++)
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{
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var animationValue = animationManager.GetProgress(i);
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var rippleBrush = new SolidBrush(Color.FromArgb((int)(51 - (animationValue * 50)), Color.Black));
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var rippleSize = (int)(animationValue * itemRect.Width * 2.5);
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g.FillEllipse(rippleBrush, new Rectangle(animationSource.X - rippleSize / 2, itemRect.Y - itemRect.Height, rippleSize, itemRect.Height * 3));
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}
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}
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}
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}
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protected override void OnRenderImageMargin(ToolStripRenderEventArgs e)
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{
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//base.OnRenderImageMargin(e);
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}
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protected override void OnRenderSeparator(ToolStripSeparatorRenderEventArgs e)
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{
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var g = e.Graphics;
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g.FillRectangle(new SolidBrush(SkinManager.GetApplicationBackgroundColor()), e.Item.Bounds);
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g.DrawLine(
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new Pen(SkinManager.GetDividersColor()),
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new Point(e.Item.Bounds.Left, e.Item.Bounds.Height / 2),
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new Point(e.Item.Bounds.Right, e.Item.Bounds.Height / 2));
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}
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protected override void OnRenderToolStripBorder(ToolStripRenderEventArgs e)
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{
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var g = e.Graphics;
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g.DrawRectangle(
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new Pen(SkinManager.GetDividersColor()),
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new Rectangle(e.AffectedBounds.X, e.AffectedBounds.Y, e.AffectedBounds.Width - 1, e.AffectedBounds.Height - 1));
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}
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protected override void OnRenderArrow(ToolStripArrowRenderEventArgs e)
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{
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var g = e.Graphics;
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const int ARROW_SIZE = 4;
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var arrowMiddle = new Point(e.ArrowRectangle.X + e.ArrowRectangle.Width / 2, e.ArrowRectangle.Y + e.ArrowRectangle.Height / 2);
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var arrowBrush = e.Item.Enabled ? SkinManager.GetPrimaryTextBrush() : SkinManager.GetDisabledOrHintBrush();
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using (var arrowPath = new GraphicsPath())
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{
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arrowPath.AddLines(
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new[] {
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new Point(arrowMiddle.X - ARROW_SIZE, arrowMiddle.Y - ARROW_SIZE),
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new Point(arrowMiddle.X, arrowMiddle.Y),
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new Point(arrowMiddle.X - ARROW_SIZE, arrowMiddle.Y + ARROW_SIZE) });
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arrowPath.CloseFigure();
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g.FillPath(arrowBrush, arrowPath);
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}
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}
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private Rectangle GetItemRect(ToolStripItem item)
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{
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return new Rectangle(0, item.ContentRectangle.Y, item.ContentRectangle.Width + 4, item.ContentRectangle.Height);
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}
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}
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}
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