public static void DrawGroupBox (Graphics g, Rectangle bounds, string groupBoxText, Font font, Color textColor, TextFormatFlags flags, GroupBoxState state)
{
Size font_size = TextRenderer.MeasureText (groupBoxText, font);
if (Application.RenderWithVisualStyles || always_use_visual_styles == true) {
VisualStyleRenderer vsr;
Rectangle new_bounds;
switch (state) {
case GroupBoxState.Normal:
default:
vsr = new VisualStyleRenderer (VisualStyleElement.Button.GroupBox.Normal);
new_bounds = new Rectangle (bounds.Left, bounds.Top + (int)(font_size.Height / 2) - 1, bounds.Width, bounds.Height - (int)(font_size.Height / 2) + 1);
break;
case GroupBoxState.Disabled:
vsr = new VisualStyleRenderer (VisualStyleElement.Button.GroupBox.Disabled);
new_bounds = new Rectangle (bounds.Left, bounds.Top + (int)(font_size.Height / 2) - 2, bounds.Width, bounds.Height - (int)(font_size.Height / 2) + 2);
break;
}
if (groupBoxText == String.Empty)
vsr.DrawBackground (g, bounds);
else
vsr.DrawBackgroundExcludingArea (g, new_bounds, new Rectangle (bounds.Left + 9, bounds.Top, font_size.Width - 3, font_size.Height));
if (textColor == Color.Empty)
textColor = vsr.GetColor (ColorProperty.TextColor);
if (groupBoxText != String.Empty)
TextRenderer.DrawText (g, groupBoxText, font, new Point (bounds.Left + 8, bounds.Top), textColor, flags);
}
else {
// MS has a pretty big bug when rendering the non-visual styles group box. Instead of using the height
// part of the bounds as height, they use it as the bottom, so the boxes are drawn in completely different
// places. Rather than emulate this bug, we do it correctly. After googling for a while, I don't think
// anyone has ever actually used this class for anything, so it should be fine. :)
Rectangle new_bounds = new Rectangle (bounds.Left, bounds.Top + (int)(font_size.Height / 2), bounds.Width, bounds.Height - (int)(font_size.Height / 2));
// Don't paint over the background where we are going to put the text
Region old_clip = g.Clip;
g.SetClip (new Rectangle (bounds.Left + 9, bounds.Top, font_size.Width - 3, font_size.Height), System.Drawing.Drawing2D.CombineMode.Exclude);
ControlPaint.DrawBorder3D (g, new_bounds, Border3DStyle.Etched);
g.Clip = old_clip;
if (groupBoxText != String.Empty) {
if (textColor == Color.Empty)
textColor = state == GroupBoxState.Normal ? SystemColors.ControlText :
SystemColors.GrayText;
TextRenderer.DrawText (g, groupBoxText, font, new Point (bounds.Left + 8, bounds.Top), textColor, flags);
}
}
}
