protected override void OnPaint(PaintEventArgs e)
{
//Simulate Transparency
if (BackColor == Color.Transparent)
{
#if !PocketPC
if (Parent is ISupportsTransparentChildRendering)
{
((ISupportsTransparentChildRendering)Parent).TransparentChild = this;
}
System.Drawing.Drawing2D.GraphicsContainer g = e.Graphics.BeginContainer();
Rectangle translateRect = this.Bounds;
e.Graphics.TranslateTransform(-Left, -Top);
PaintEventArgs pe = new PaintEventArgs(e.Graphics, translateRect);
this.InvokePaintBackground(Parent, pe);
this.InvokePaint(Parent, pe);
//fixed bug#:796041, the forgound not need to display
//this.InvokePaint(Parent, pe);
e.Graphics.ResetTransform();
e.Graphics.EndContainer(g);
pe.Dispose();
if (Parent is ISupportsTransparentChildRendering)
{
((ISupportsTransparentChildRendering)Parent).TransparentChild = null;
}
#endif
}
ControlRenderer.FillRectAccordingToGradientStyle(e.Graphics, ClientRectangle, BackColor, LinkColor, 0,
false, GradientColor, GradientStyle);
ContentAlignment newTextAlign = ControlUtils.GetOrgContentAligment(RightToLeft, TextAlign);
FontDescription font = new FontDescription(Font);
ControlRenderer.PrintText(e.Graphics, ClientRectangle, LinkColor, font, Text, false, newTextAlign,
Enabled, true, !UseMnemonic, false, (RightToLeft == RightToLeft.Yes));
//fixed bug #:765815 : when parking on hypertext button,focus need to seen on text on the button (not on entire button)
if (Focused)
{
Size textExt = Utils.GetTextExt(Font, Text, this);
// get the display the focus on the text of the control
Rectangle textRect = ControlUtils.GetFocusRect(this, ClientRectangle, newTextAlign, textExt);
//ass offset, it will look as in online
textRect.Inflate(2, 2);
textRect.Width -= 2;
textRect.Height -= 1;
textRect.X = Math.Max(1, textRect.X);
textRect.Y = Math.Max(1, textRect.Y);
textRect.Width = Math.Min(textRect.Width, ClientRectangle.Width - textRect.X);
textRect.Height = Math.Min(textRect.Height, ClientRectangle.Height - textRect.Y);
ControlPaint.DrawFocusRectangle(e.Graphics, textRect);
}
}
/// <summary>
/// Draw the text and the focus rectangle on a CheckBox/RadioButon control.
/// </summary>
/// <param name="control"></param>
/// <param name="e"></param>
/// <param name="textToDisplay"></param>
public static void DrawTextAndFocusRect(ButtonBase control, PaintEventArgs e, String textToDisplay, Rectangle rectangle, int textOffset)
{
bool isMultiLine = ControlUtils.GetIsMultiLine(control);
Rectangle textRect = new Rectangle();
Size textSize = new Size();
ContentAlignment NewTextAli = ContentAlignment.MiddleCenter;
FontDescription font = new FontDescription(control.Font);
if (!String.IsNullOrEmpty(textToDisplay))
{
textRect = rectangle;
NewTextAli = ControlUtils.GetOrgContentAligment(control.RightToLeft, control.TextAlign);
textSize = Utils.GetTextExt(control.Font, textToDisplay, control);
ControlUtils.AlignmentInfo AlignmentInfo = ControlUtils.GetAlignmentInfo(control.TextAlign);
int Offset = (int)((float)(BOX_WIDTH + textOffset) * Utils.GetDpiScaleRatioX(control));
switch (AlignmentInfo.HorAlign)
{
case AlignmentTypeHori.Left:
if (control.RightToLeft == RightToLeft.No)
{
textRect.X += Offset;
textRect.Width -= Offset;
}
if (control.RightToLeft == RightToLeft.Yes)
{
textRect.X -= Offset;
}
break;
case AlignmentTypeHori.Right:
if (isMultiLine && control.RightToLeft == RightToLeft.No)
{
textRect.X += Offset;
textRect.Width -= Offset;
}
break;
case AlignmentTypeHori.Center:
if (control.RightToLeft == RightToLeft.No)
{
textRect.X += Offset;
textRect.Width -= Offset;
// if the text is bigger then the display rect.
if (!isMultiLine)
{
if (textSize.Width > textRect.Width)
{
textRect.X += (int)(((textRect.Width - textSize.Width) / 2));
textRect.Width = Math.Max(textRect.Width, textSize.Width);
}
}
}
else if (control.RightToLeft == RightToLeft.Yes)
{
textRect.X -= Offset;
textRect.Width += Offset;
}
break;
}
ControlRenderer.PrintText(e.Graphics, textRect, control.ForeColor, font, textToDisplay, isMultiLine, NewTextAli,
control.Enabled, true, false, true, control.RightToLeft == RightToLeft.Yes, true);
}
// display the focus on the text of the control
if (control.Focused)
{
if (!String.IsNullOrEmpty(textToDisplay))
{
if (isMultiLine)
{
textSize = GetTextSize(e, textToDisplay, font, ref textRect, isMultiLine);
}
// get the display the focus on the text of the control
textRect = ControlUtils.GetFocusRect(control, textRect, NewTextAli, textSize);
ControlPaint.DrawFocusRectangle(e.Graphics, textRect);
}
else
{
//For CheckBox, if the text is not available, focus rect should be drawn on the Glyph.
if (control is MgCheckBox)
{
DrawFocusRectOnCheckBoxGlyph((MgCheckBox)control, e.Graphics);
}
}
}
}
