protected override void OnEnabledChanged(EventArgs e)
{
if (Enabled)
{
state = NuiImageButtonState.Normal;
}
else
{
state = NuiImageButtonState.Disabled;
}
this.Invalidate();
base.OnEnabledChanged(e);
}
protected override void OnMouseDown(MouseEventArgs mevent)
{
if (mevent.Button == MouseButtons.Left)
{
state = NuiImageButtonState.Down;
}
this.Invalidate();
base.OnMouseDown(mevent);
}
protected override void OnLostFocus(EventArgs e)
{
state = NuiImageButtonState.Normal;
this.Invalidate();
base.OnLostFocus(e);
}
protected override void OnGotFocus(EventArgs e)
{
state = NuiImageButtonState.Focus;
base.OnGotFocus(e);
}
protected override void OnPaint(PaintEventArgs pevent)
{
base.OnPaint(pevent);
Graphics g = pevent.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBilinear;
if (this.Image != null)
{
int BUTTON_WIDTH = this.Image.Width / 4;
int BUTON_HEIGHT = this.Image.Height;
if (!Enabled) { state = NuiImageButtonState.Disabled; }
switch (state)
{
case NuiImageButtonState.Normal:
Render.DrawNineRectEx(
g,
this.Image,
ClientRectangle,
new Rectangle(0, 0, BUTTON_WIDTH, BUTON_HEIGHT));
break;
case NuiImageButtonState.Hover:
Render.DrawNineRectEx(
g,
this.Image,
ClientRectangle,
new Rectangle(BUTTON_WIDTH, 0, BUTTON_WIDTH, BUTON_HEIGHT));
break;
case NuiImageButtonState.Focus:
Render.DrawNineRectEx(
g,
this.Image,
ClientRectangle,
new Rectangle(BUTTON_WIDTH, 0, BUTTON_WIDTH, BUTON_HEIGHT));
break;
case NuiImageButtonState.Down:
Render.DrawNineRectEx(
g,
this.Image,
ClientRectangle,
new Rectangle(BUTTON_WIDTH * 2, 0, BUTTON_WIDTH, BUTON_HEIGHT));
break;
case NuiImageButtonState.Disabled:
Render.DrawNineRectEx(
g,
this.Image,
ClientRectangle,
new Rectangle(BUTTON_WIDTH * 3, 0, BUTTON_WIDTH, BUTON_HEIGHT));
break;
default:
break;
}
}
if (this.Text.Length != 0)
{
Rectangle textRect = new Rectangle(3, 0, Width - 6, Height);
Color textColor = Enabled ? ForeColor : SystemColors.GrayText;
TextRenderer.DrawText(
g,
Text,
Font,
textRect,
textColor,
GetTextFormatFlags(TextAlign, RightToLeft == RightToLeft.Yes));
}
}
protected override void OnMouseUp(MouseEventArgs mevent)
{
if (mevent.Button == MouseButtons.Left)
{
if (ClientRectangle.Contains(mevent.Location))
{
state = NuiImageButtonState.Hover;
}
else
{
state = NuiImageButtonState.Focus;
}
}
this.Invalidate();
base.OnMouseUp(mevent);
}
protected override void OnMouseLeave(EventArgs e)
{
if (state == NuiImageButtonState.Hover && Focused)
{
state = NuiImageButtonState.Focus;
}
else if (state == NuiImageButtonState.Focus)
{
state = NuiImageButtonState.Focus;
}
else
{
state = NuiImageButtonState.Normal;
}
this.Invalidate();
base.OnMouseLeave(e);
}
protected override void OnMouseEnter(EventArgs e)
{
state = NuiImageButtonState.Hover;
this.Invalidate();
base.OnMouseEnter(e);
}
