/// <summary>
/// Draws the button onto the specified Graphics object.
/// </summary>
/// <param name="gfx">The graphics object to draw on.</param>
/// <param name="defaultBackColor">The default background
/// colour to use when drawing the button.</param>
/// <param name="controlEnabled">Whether the control is enabled or not.</param>
public override void DrawItem(
Graphics gfx,
Color defaultBackColor,
bool controlEnabled
)
{
Color backColor = defaultBackColor;
if (owner != null)
{
VSNetListBarGroup selGroup = owner.SelectedGroup;
if (selGroup != null)
{
if (ButtonType == ListBarScrollButtonType.Up)
{
backColor = selGroup.BackColor;
}
else
{
VSNetListBarGroup nextGroup = null;
for (int i = owner.Groups.IndexOf(selGroup) + 1; i < owner.Groups.Count; i++)
{
if (owner.Groups[i].Visible)
{
nextGroup = owner.Groups[i];
break;
}
}
if (nextGroup != null)
{
backColor = nextGroup.BackColor;
}
}
}
}
Brush br = new SolidBrush(backColor);
gfx.FillRectangle(br, Rectangle);
br.Dispose();
// in VS.NET bar the item is always drawn. When
// it's not "Visible" then it is drawn disabled:
VSNetListBarUtility.DrawScrollButton(
gfx, Rectangle, backColor,
(MouseDown && MouseOver),
(Visible && controlEnabled),
(ButtonType != ListBarScrollButtonType.Up));
}
/// <summary>
/// Draws this item into the specified graphics object.
/// </summary>
/// <param name="gfx">The graphics object to draw onto.</param>
/// <param name="ils">The ImageList to source icons from.</param>
/// <param name="defaultFont">The default font to use to draw the button.</param>
/// <param name="style">The style (Outlook version) to draw using.</param>
/// <param name="view">The view (large or small icons) to draw using.</param>
/// <param name="scrollOffset">The offset of the first item from the
/// (0,0) point in the graphics object.</param>
/// <param name="skipDrawText">Whether to skip drawing text or not
/// (the item is being edited)</param>
/// <param name="controlEnabled">Whether the control is enabled or not.</param>
public override void DrawButton(
Graphics gfx,
ImageList ils,
Font defaultFont,
ListBarDrawStyle style,
ListBarGroupView view,
int scrollOffset,
bool controlEnabled,
bool skipDrawText
)
{
bool rightToLeft = false;
Font drawFont = Font;
if (drawFont == null)
{
drawFont = defaultFont;
}
Color backColor = Color.FromKnownColor(KnownColor.Control);
if (Owner != null)
{
if (Owner.RightToLeft == RightToLeft.Yes)
{
rightToLeft = true;
}
backColor = Owner.BackColor;
}
Rectangle drawRect = new Rectangle(Location,
new Size(Width, Height));
drawRect.Offset(0, scrollOffset);
if (((Selected) && (!MouseOver)) || (MouseOver && MouseDown))
{
// Draw the background:
VSNetListBarUtility.DrawSelectedItemBackground(gfx, drawRect);
}
Rectangle itemRect = drawRect;
itemRect.Inflate(-1, -1);
if ((Selected) || (MouseDown && MouseOver))
{
itemRect.Offset(1, 1);
}
RectangleF textRect;
// Draw the icon:
if (rightToLeft)
{
iconRectangle = new Rectangle(
itemRect.Right - ils.ImageSize.Width - 4,
itemRect.Top + (itemRect.Height - ils.ImageSize.Height) / 2,
ils.ImageSize.Width, ils.ImageSize.Height);
textRect = new RectangleF(
itemRect.Left, itemRect.Top,
itemRect.Width - (ils.ImageSize.Width - 6),
itemRect.Height);
}
else
{
iconRectangle = new Rectangle(
itemRect.Left + 4,
itemRect.Top + (itemRect.Height - ils.ImageSize.Height) / 2,
ils.ImageSize.Width, ils.ImageSize.Height);
textRect = new RectangleF(
itemRect.Left + ils.ImageSize.Height + 6, itemRect.Top,
itemRect.Width - (ils.ImageSize.Width - 6),
itemRect.Height);
}
if (IconIndex <= ils.Images.Count)
{
if (Enabled && controlEnabled)
{
ils.Draw(gfx, iconRectangle.Left, iconRectangle.Top,
IconIndex);
}
else
{
System.Windows.Forms.ControlPaint.DrawImageDisabled(gfx, ils.Images[IconIndex],
iconRectangle.Left, iconRectangle.Top, backColor);
}
}
if ((view == ListBarGroupView.SmallIconsOnly) || (view == ListBarGroupView.LargeIconsOnly))
{
textRectangle = new Rectangle(0, 0, 0, 0);
skipDrawText = true;
}
if (!skipDrawText)
{
// Draw the text:
StringFormat format = new StringFormat(StringFormatFlags.LineLimit |
(rightToLeft ? StringFormatFlags.DirectionRightToLeft : 0));
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Center;
format.Trimming = StringTrimming.EllipsisWord;
if (Enabled && controlEnabled)
{
Brush br = new SolidBrush(ForeColor);
gfx.DrawString(Caption, drawFont, br, textRect, format);
br.Dispose();
}
else
{
Brush br = new SolidBrush(CustomBorderColor.ColorLightLight(backColor));
textRect.Offset(1F, 1F);
gfx.DrawString(Caption, drawFont, br, textRect, format);
br.Dispose();
textRect.Offset(-1F, -1F);
br = new SolidBrush(CustomBorderColor.ColorDark(backColor));
gfx.DrawString(Caption, drawFont, br, textRect, format);
br.Dispose();
}
format.Dispose();
textRectangle = new Rectangle((int)textRect.Left, (int)textRect.Top,
(int)textRect.Width, (int)textRect.Height);
// TODO_ If mouse over and text too wide show the popup.
// Currently a problem with my popup code in that it
// foils the Framework's WM_NCACTIVATE processing which
// results in spurious focus/mouse over events...
}
// Draw the border:
if (((MouseOver) || (Selected)) && (Enabled))
{
CustomBorderColor.DrawBorder(gfx, drawRect,
backColor, true,
((MouseDown && MouseOver) || (Selected)));
}
}