protected override void DrawItemText(TabItemPaintEventArgs e, Rectangle rect)
{
//base.DrawItemText(e, rect);
var taskBar = e.GetBar <TaskBar>();
Color foreColor = taskBar.ItemForeColor;
switch (e.Status)
{
case UIControlStatus.Selected:
case UIControlStatus.Focused:
if (taskBar.IsActive)
{
foreColor = taskBar.SelectedItemForeColor;
}
else
{
foreColor = taskBar.InactiveSelectedItemForeColor;
}
break;
case UIControlStatus.Hover:
foreColor = taskBar.HoverItemForeColor;
break;
}
if (!foreColor.IsEmpty)
{
StringFormat sf = PaintHelper.SFCenter;
sf.FormatFlags |= StringFormatFlags.NoWrap;
e.Graphics.DrawString(e.Item.Text, e.Font, new SolidBrush(foreColor), rect, sf);
}
}
protected override void DrawCloseButton(TabItemPaintEventArgs e, Rectangle rect)
{
//Skin.Instance.DrawTaskBarItemCloseButton(new SkinPaintEventArgs(this, e), rect, tis, Alignment, item == SelectedItem);
Image image = Properties.Resources.close_button; // Images.close_button;
Rectangle rectS = new Rectangle(0, 0, image.Width / 4, image.Height);
if (!e.Selected)
{
rectS.X = rectS.Width * 3;
}
switch (e.CloseButtonStatus)
{
case UIControlStatus.Hover:
rectS.X = rectS.Width * 1;
break;
case UIControlStatus.Selected:
rectS.X = rectS.Width * 2;
break;
case UIControlStatus.Disabled:
rectS.X = rectS.Width * 3;
break;
}
PaintHelper.DrawImageInRange(e.Graphics, image, rect, rectS);
}
protected override void DrawCloseButton(TabItemPaintEventArgs e, Rectangle rect)
{
Image image = Properties.Resources.taskbar_close_button;
UIStatusImage img = UIStatusImage.FromVertical(image,
new UIControlStatus[] {
UIControlStatus.Normal,
UIControlStatus.Hover,
UIControlStatus.Selected,
UIControlStatus.InactivedHover,
UIControlStatus.Inactived,
UIControlStatus.Disabled
});
var bs = e.CloseButtonStatus;
if (!e.Selected)
{
if (bs == UIControlStatus.Hover || bs == UIControlStatus.Selected)
{
bs = UIControlStatus.InactivedHover;
}
else
{
bs = UIControlStatus.Inactived;
}
}
img.Draw(e.Graphics, bs, rect);
}
protected override void DrawItemBackground(TabItemPaintEventArgs e)
{
//base.DrawItemBackground(e);
TaskBar taskBar = e.GetBar <TaskBar>();
Color backColor = e.Bar.ItemBackColor;
switch (e.Status)
{
case UIControlStatus.Selected:
case UIControlStatus.Focused:
if (taskBar.IsActive)
{
backColor = taskBar.SelectedItemBackColor;
}
else
{
backColor = taskBar.InactiveSelectedItemBackColor;
}
break;
case UIControlStatus.Hover:
backColor = taskBar.HoverItemBackColor;
break;
}
if (!backColor.IsEmpty)
{
GraphicsPath path = PaintHelper.GetRoundRectangle(e.Bounds, taskBar.TabRounded, taskBar.TabRounded, 0, 0);
//if (e.Status == UIControlStatus.Hover)
//{
// LinearGradientBrush backBrush = new LinearGradientBrush(e.Bounds, backColor, backColor, 90.0f);
// ColorBlend cb = new ColorBlend(3);
// cb.Colors = new Color[] { PaintHelper.GetLightColor(backColor), backColor, backColor };
// cb.Positions = new float[] { 0.0f, 0.5f, 1.0f };
// backBrush.InterpolationColors = cb;
// e.Graphics.FillPath(backBrush, path);
//}
//else
//{
SolidBrush backBrush = new SolidBrush(backColor);
e.Graphics.FillPath(backBrush, path);
//}
//
if ((e.Status == UIControlStatus.Normal || e.Status == UIControlStatus.Hover) &&
e.Bounds.Height > 10)
{
Rectangle rectShadow = e.Bounds;
rectShadow.Y = rectShadow.Bottom - 6;
rectShadow.Height = 5;
var brush = new LinearGradientBrush(rectShadow, Color.Transparent,
PaintHelper.AdjustColorSLess(PaintHelper.GetDarkColor(backColor), 20), 90.0f);
rectShadow.Y++;//规避一个Gdi+错误, 会导致第一行有一个很深的线
//e.Graphics.FillRectangle(Brushes.Red, rectShadow);
e.Graphics.FillRectangle(brush, rectShadow);
}
}
}
protected virtual void DrawItemBorder(TabItemPaintEventArgs e, Rectangle rect, Color color)
{
rect.Width--;
rect.Height--;
if (rect.Width <= 0 || rect.Height <= 0)
{
return;
}
Point[] pts = null;
switch (Bar.Alignment)
{
case TabAlignment.Left:
pts = new Point[] {
new Point(rect.Right, rect.Top),
new Point(rect.Left, rect.Top),
new Point(rect.Left, rect.Bottom),
new Point(rect.Right, rect.Bottom)
};
break;
case TabAlignment.Bottom:
pts = new Point[] {
new Point(rect.X, rect.Top),
new Point(rect.X, rect.Bottom),
new Point(rect.Right, rect.Bottom),
new Point(rect.Right, rect.Top)
};
break;
case TabAlignment.Right:
pts = new Point[] {
new Point(rect.Left, rect.Top),
new Point(rect.Right, rect.Top),
new Point(rect.Right, rect.Bottom),
new Point(rect.Left, rect.Bottom)
};
break;
case TabAlignment.Top:
default:
pts = new Point[] {
new Point(rect.X, rect.Bottom),
new Point(rect.X, rect.Y),
new Point(rect.Right, rect.Y),
new Point(rect.Right, rect.Bottom)
};
break;
}
Pen pen = new Pen(color);
var pom = e.Graphics.PixelOffsetMode;
e.Graphics.PixelOffsetMode = PixelOffsetMode.Default;
e.Graphics.DrawLines(pen, pts);
e.Graphics.PixelOffsetMode = pom;
//e.Graphics.DrawPath(new Pen(Bar.BaseLineColor), path);
}
protected virtual void DrawItemText(TabItemPaintEventArgs e, Rectangle rect)
{
Color foreColor = e.Bar.ItemForeColor;
switch (e.Status)
{
case UIControlStatus.Selected:
case UIControlStatus.Focused:
foreColor = e.Bar.SelectedItemForeColor;
break;
case UIControlStatus.Hover:
foreColor = e.Bar.HoverItemForeColor;
break;
}
if (!foreColor.IsEmpty)
{
StringFormat sf = e.HalfDisplay ? PaintHelper.SFLeft : PaintHelper.SFCenter;
sf.FormatFlags |= StringFormatFlags.NoWrap;
sf.Trimming = StringTrimming.None;
if (e.IsHorizontal)
{
rect.X += e.Padding.Left;
rect.Width -= e.Padding.Horizontal;
}
else
{
rect.Y += e.Padding.Top;
rect.Height -= e.Padding.Vertical;
}
e.Graphics.DrawString(e.Item.Text, e.Font, new SolidBrush(foreColor), rect, sf);
}
}
protected abstract void DrawCloseButton(TabItemPaintEventArgs e, Rectangle rect);
public abstract void DrawItem(TabItemPaintEventArgs e);
public override void DrawItem(TabItemPaintEventArgs e)
{
Rectangle rect = e.Bounds;
if (rect.Width <= 0 || rect.Height <= 0)
{
return;
}
// draw background
DrawItemBackground(e);
rect = e.ContentRectangle;
// draw icon
if (e.Item.Icon != null)
{
Rectangle rect_icon;
if (e.IsHorizontal)
{
if (string.IsNullOrEmpty(e.Item.Text) && !e.Item.CanClose)
{
rect_icon = new Rectangle(rect.Left + (rect.Width - e.IconSize.Width) / 2, rect.Top + (rect.Height - e.IconSize.Height) / 2, e.IconSize.Width, e.IconSize.Height);
}
else
{
rect_icon = new Rectangle(rect.Left, rect.Top + (rect.Height - e.IconSize.Height) / 2, e.IconSize.Width, e.IconSize.Height);
}
}
else
{
if (string.IsNullOrEmpty(e.Item.Text) && !e.Item.CanClose)
{
rect_icon = new Rectangle(rect.Left + (rect.Width - e.IconSize.Width) / 2, rect.Top + (rect.Height - e.IconSize.Height) / 2, e.IconSize.Width, e.IconSize.Height);
}
else
{
rect_icon = new Rectangle(rect.Left + (rect.Width - e.IconSize.Width) / 2, rect.Top, e.IconSize.Width, e.IconSize.Height);
}
}
PaintHelper.DrawImageInRange(e.Graphics, e.Item.Icon, rect_icon);
if (e.IsHorizontal)
{
rect.X += rect_icon.Width;
rect.Width -= rect_icon.Width;
}
else
{
rect.Y += rect_icon.Height;
rect.Height -= rect_icon.Height;
}
}
if (e.Item.CanClose)
{
//System.Diagnostics.Debug.WriteLine(string.Format("> {0}, {1}", HoverHitResult.Item, HoverHitResult.InCloseButton));
Rectangle rect_close_btn = e.Item.GetCloseButtonRect();
DrawCloseButton(e, rect_close_btn);
if (e.IsHorizontal)
{
rect.Width -= e.Bar.CloseButtonSize.Width;
}
else
{
rect.Height -= e.Bar.CloseButtonSize.Height;
}
}
if (!string.IsNullOrEmpty(e.Item.Text))
{
Rectangle rect_text = rect;
GraphicsState gs = null;
if (!e.IsHorizontal)
{
gs = e.Graphics.Save();
e.Graphics.RotateTransform(90);
rect_text = new Rectangle(rect.Y, -rect.X - rect.Width, rect.Height, rect.Width);
//e.Graphics.DrawRectangle(Pens.Blue, rect_text);
}
DrawItemText(e, rect_text);
if (!e.IsHorizontal)
{
e.Graphics.Restore(gs);
}
}
}
protected virtual void DrawItemBackground(TabItemPaintEventArgs e)
{
var rect = e.Bounds;
Color borderColor = Color.Empty;
if (e.Selected)
{
// 把BaseLineSize加回去
switch (e.Bar.Alignment)
{
case TabAlignment.Left:
rect.Width += e.Bar.BaseLineSize;
break;
case TabAlignment.Top:
rect.Height += e.Bar.BaseLineSize;
break;
case TabAlignment.Right:
rect.X -= e.Bar.BaseLineSize;
rect.Width += e.Bar.BaseLineSize;
break;
case TabAlignment.Bottom:
rect.Y -= e.Bar.BaseLineSize;
rect.Height += e.Bar.BaseLineSize;
break;
}
Color backColor = e.Item.BackColor ?? e.Bar.SelectedItemBackColor;
if (!backColor.IsEmpty)
{
//LinearGradientBrush backBrush = new LinearGradientBrush(e.Bounds, PaintHelper.GetLightColor(backColor), backColor, 90.0f);
var backBrush = new SolidBrush(backColor);
e.Graphics.FillRectangle(backBrush, rect);
}
borderColor = e.Bar.BaseLineColor;
}
else
{
Color backColor = e.Item.BackColor ?? e.Bar.ItemBackColor;
switch (e.Status)
{
case UIControlStatus.Hover:
backColor = e.Bar.HoverItemBackColor;
break;
}
if (!backColor.IsEmpty)
{
var backBrush = new SolidBrush(backColor);
e.Graphics.FillRectangle(backBrush, e.Item.Bounds);
borderColor = PaintHelper.AdjustColorS(PaintHelper.GetDarkColor(backColor, 0.15), 10, 20);
}
}
if (!borderColor.IsEmpty)
{
DrawItemBorder(e, rect, borderColor);
}
}
protected override void DrawItemBackground(TabItemPaintEventArgs e)
{
Rectangle rect = e.Bounds;
//
Color backColor;
if (e.Selected)
{
backColor = e.Bar.SelectedItemBackColor;
// 把BaseLineSize加回去
switch (e.Bar.Alignment)
{
case TabAlignment.Left:
rect.Width += e.Bar.BaseLineSize;
break;
case TabAlignment.Top:
rect.Height += e.Bar.BaseLineSize;
break;
case TabAlignment.Right:
rect.X -= e.Bar.BaseLineSize;
rect.Width += e.Bar.BaseLineSize;
break;
case TabAlignment.Bottom:
rect.Y -= e.Bar.BaseLineSize;
rect.Height += e.Bar.BaseLineSize;
break;
}
}
else if (e.Hover)
{
backColor = e.Bar.HoverItemBackColor;
}
else
{
backColor = e.Bar.ItemBackColor;
}
e.Graphics.FillRectangle(new SolidBrush(backColor), rect);
//
if (e.Item.BackColor.HasValue)
{
Rectangle rectC;
switch (e.Bar.Alignment)
{
case TabAlignment.Left:
rectC = new Rectangle(rect.X, rect.Y, Math.Min(3, rect.Width / 3), rect.Height);
break;
case TabAlignment.Right:
rectC = new Rectangle(rect.X, rect.Y, Math.Min(3, rect.Width / 3), rect.Height);
rect.X = rect.Right - rectC.Width - 1;
break;
case TabAlignment.Bottom:
rectC = new Rectangle(rect.X, rect.Y, rect.Width, Math.Min(3, rect.Height / 3));
rectC.Y = rect.Bottom - rectC.Height - 1;
break;
case TabAlignment.Top:
default:
rectC = new Rectangle(rect.X, rect.Y, rect.Width, Math.Min(3, rect.Height / 3));
break;
}
if (rectC.Height > 0)
{
e.Graphics.FillRectangle(new SolidBrush(e.Item.BackColor.Value), rectC);
}
}
if (!e.Bar.BaseLineColor.IsEmpty)
{
DrawItemBorder(e, rect, e.Bar.BaseLineColor);
//Point[] points = new Point[] {
// new Point(rect.X, rect.Bottom),
// new Point(rect.X, rect.Top),
// new Point(rect.Right-1, rect.Top),
// new Point(rect.Right-1, rect.Bottom),
//};
//PixelOffsetMode pom = e.Graphics.PixelOffsetMode;
//e.Graphics.PixelOffsetMode = PixelOffsetMode.Default;
//e.Graphics.DrawLines(new Pen(e.Bar.BaseLineColor), points);
//e.Graphics.PixelOffsetMode = pom;
////e.Graphics.DrawPath(new Pen(Bar.BaseLineColor), path);
}
}