File size: 3,257 Bytes
b1b3bae |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 |
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Imaging;
namespace WeifenLuo.WinFormsUI.Docking
{
public abstract class InertButtonBase : Control
{
protected InertButtonBase()
{
SetStyle(ControlStyles.SupportsTransparentBackColor, true);
BackColor = Color.Transparent;
}
public abstract Bitmap Image
{
get;
}
private bool m_isMouseOver = false;
protected bool IsMouseOver
{
get { return m_isMouseOver; }
private set
{
if (m_isMouseOver == value)
return;
m_isMouseOver = value;
Invalidate();
}
}
protected override Size DefaultSize
{
get { return Resources.DockPane_Close.Size; }
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
bool over = ClientRectangle.Contains(e.X, e.Y);
if (IsMouseOver != over)
IsMouseOver = over;
}
protected override void OnMouseEnter(EventArgs e)
{
base.OnMouseEnter(e);
if (!IsMouseOver)
IsMouseOver = true;
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
if (IsMouseOver)
IsMouseOver = false;
}
protected override void OnPaint(PaintEventArgs e)
{
if (IsMouseOver && Enabled)
{
using (Pen pen = new Pen(ForeColor))
{
e.Graphics.DrawRectangle(pen, Rectangle.Inflate(ClientRectangle, -1, -1));
}
}
using (ImageAttributes imageAttributes = new ImageAttributes())
{
ColorMap[] colorMap = new ColorMap[2];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = Color.FromArgb(0, 0, 0);
colorMap[0].NewColor = ForeColor;
colorMap[1] = new ColorMap();
colorMap[1].OldColor = Image.GetPixel(0, 0);
colorMap[1].NewColor = Color.Transparent;
imageAttributes.SetRemapTable(colorMap);
var scaling = e.Graphics.DpiX / 96.0f;
e.Graphics.DrawImage(
Image,
new Rectangle(0, 0, (int)(Image.Width * scaling), (int)(Image.Height * scaling)),
0, 0,
Image.Width,
Image.Height,
GraphicsUnit.Pixel,
imageAttributes);
}
base.OnPaint(e);
}
public void RefreshChanges()
{
if (IsDisposed)
return;
bool mouseOver = ClientRectangle.Contains(PointToClient(Cursor.Position));
if (mouseOver != IsMouseOver)
IsMouseOver = mouseOver;
OnRefreshChanges();
}
protected virtual void OnRefreshChanges()
{
}
}
}
|