protected override void OnRenderItemImage(ToolStripItemImageRenderEventArgs e)
{
Rectangle rc = e.ImageRectangle;
TabStripButton btn = e.Item as TabStripButton;
if (btn != null)
{
int delta = ((Mirrored) ? -1 : 1) * ((btn.Checked) ? 1 : selOffset);
if (e.ToolStrip.Orientation == Orientation.Horizontal)
{
rc.Offset((Mirrored) ? 2 : 1, delta + ((Mirrored) ? 1 : 0));
}
else
{
rc.Offset(delta + 2, 0);
}
}
ToolStripItemImageRenderEventArgs x =
new ToolStripItemImageRenderEventArgs(e.Graphics, e.Item, e.Image, rc);
if (currentRenderer != null)
{
currentRenderer.DrawItemImage(x);
}
else
{
base.OnRenderItemImage(x);
}
}
protected override void OnItemAdded(ToolStripItemEventArgs e)
{
base.OnItemAdded(e);
if (e.Item is TabStripButton)
{
SelectedTab = (TabStripButton)e.Item;
}
}
protected void OnTabSelected(TabStripButton tab)
{
this.Invalidate();
if (SelectedTabChanged != null)
{
SelectedTabChanged(this, new SelectedTabChangedEventArgs(tab));
}
}
protected override void OnItemClicked(ToolStripItemClickedEventArgs e)
{
TabStripButton clickedBtn = e.ClickedItem as TabStripButton;
if (clickedBtn != null)
{
this.SuspendLayout();
mySelTab = clickedBtn;
this.ResumeLayout();
OnTabSelected(clickedBtn);
}
base.OnItemClicked(e);
}
protected void OnInsertPageClicked(object sender, EventArgs e)
{
ISite site = base.Site;
if (site != null && site.DesignMode)
{
IContainer container = site.Container;
if (container != null)
{
TabStripButton btn = new TabStripButton();
container.Add(btn);
btn.Text = btn.Name;
}
}
}
void TabPages_Inserted(object sender, EventArgs <StripTabPage> e)
{
e.Item.StripTabControl = this;
///添加JeeluTabPage到当前控件
e.Item.Dock = DockStyle.Fill;
e.Item.Visible = false;
e.Item.TextChanged += new EventHandler(Item_TextChanged);
_mainPanel.Controls.Add(e.Item);
///添加TabPage对应的按钮
var strip = new TabStripButton(e.Item.Text);
strip.Tag = e.Item;
strip.Click += new EventHandler(strip_Click);
this.LeftStrip.Items.Add(strip);
e.Item.TabStripButton = strip;
}
protected override void OnRenderItemText(ToolStripItemTextRenderEventArgs e)
{
Rectangle rc = e.TextRectangle;
TabStripButton btn = e.Item as TabStripButton;
Color c = e.TextColor;
Font f = e.TextFont;
if (btn != null)
{
int delta = ((Mirrored) ? -1 : 1) * ((btn.Checked) ? 1 : selOffset);
if (e.ToolStrip.Orientation == Orientation.Horizontal)
{
rc.Offset((Mirrored) ? 2 : 1, delta + ((Mirrored) ? 1 : -1));
}
else
{
rc.Offset(delta + 2, 0);
}
if (btn.Selected)
{
c = btn.HotTextColor;
}
else if (btn.Checked)
{
c = btn.SelectedTextColor;
}
if (btn.Checked)
{
f = btn.SelectedFont;
}
}
ToolStripItemTextRenderEventArgs x =
new ToolStripItemTextRenderEventArgs(e.Graphics, e.Item, e.Text, rc, c, f, e.TextFormat);
x.TextDirection = e.TextDirection;
if (currentRenderer != null)
{
currentRenderer.DrawItemText(x);
}
else
{
base.OnRenderItemText(x);
}
}
protected override void OnRenderButtonBackground(ToolStripItemRenderEventArgs e)
{
Graphics g = e.Graphics;
TabStrip tabs = e.ToolStrip as TabStrip;
TabStripButton tab = e.Item as TabStripButton;
if (tabs == null || tab == null)
{
if (currentRenderer != null)
{
currentRenderer.DrawButtonBackground(e);
}
else
{
base.OnRenderButtonBackground(e);
}
return;
}
bool selected = tab.Checked;
bool hovered = tab.Selected;
int top = 0;
int left = 0;
int width = tab.Bounds.Width - 1;
int height = tab.Bounds.Height - 1;
Rectangle drawBorder;
if (UseVS)
{
if (tabs.Orientation == Orientation.Horizontal)
{
if (!selected)
{
top = selOffset;
height -= (selOffset - 1);
}
else
{
top = 1;
}
drawBorder = new Rectangle(0, 0, width, height);
}
else
{
if (!selected)
{
left = selOffset;
width -= (selOffset - 1);
}
else
{
left = 1;
}
drawBorder = new Rectangle(0, 0, height, width);
}
using (Bitmap b = new Bitmap(drawBorder.Width, drawBorder.Height))
{
VisualStyleElement el = VisualStyleElement.Tab.TabItem.Normal;
if (selected)
{
el = VisualStyleElement.Tab.TabItem.Pressed;
}
if (hovered)
{
el = VisualStyleElement.Tab.TabItem.Hot;
}
if (!tab.Enabled)
{
el = VisualStyleElement.Tab.TabItem.Disabled;
}
if (!selected || hovered)
{
drawBorder.Width++;
}
else
{
drawBorder.Height++;
}
using (Graphics gr = Graphics.FromImage(b))
{
VisualStyleRenderer rndr = new VisualStyleRenderer(el);
rndr.DrawBackground(gr, drawBorder);
if (tabs.Orientation == Orientation.Vertical)
{
if (Mirrored)
{
b.RotateFlip(RotateFlipType.Rotate270FlipXY);
}
else
{
b.RotateFlip(RotateFlipType.Rotate270FlipNone);
}
}
else
{
if (Mirrored)
{
b.RotateFlip(RotateFlipType.RotateNoneFlipY);
}
}
if (Mirrored)
{
left = tab.Bounds.Width - b.Width - left;
top = tab.Bounds.Height - b.Height - top;
}
g.DrawImage(b, left, top);
}
}
}
else
{
if (tabs.Orientation == Orientation.Horizontal)
{
if (!selected)
{
top = selOffset;
height -= (selOffset - 1);
}
else
{
top = 1;
}
if (Mirrored)
{
left = 1;
top = 0;
}
else
{
top++;
}
width--;
}
else
{
if (!selected)
{
left = selOffset;
width--;
}
else
{
left = 1;
}
if (Mirrored)
{
left = 0;
top = 1;
}
}
height--;
drawBorder = new Rectangle(left, top, width, height);
using (GraphicsPath gp = new GraphicsPath())
{
if (Mirrored && tabs.Orientation == Orientation.Horizontal)
{
gp.AddLine(drawBorder.Left, drawBorder.Top, drawBorder.Left, drawBorder.Bottom - 2);
gp.AddArc(drawBorder.Left, drawBorder.Bottom - 3, 2, 2, 90, 90);
gp.AddLine(drawBorder.Left + 2, drawBorder.Bottom, drawBorder.Right - 2, drawBorder.Bottom);
gp.AddArc(drawBorder.Right - 2, drawBorder.Bottom - 3, 2, 2, 0, 90);
gp.AddLine(drawBorder.Right, drawBorder.Bottom - 2, drawBorder.Right, drawBorder.Top);
}
else if (!Mirrored && tabs.Orientation == Orientation.Horizontal)
{
gp.AddLine(drawBorder.Left, drawBorder.Bottom, drawBorder.Left, drawBorder.Top + 2);
gp.AddArc(drawBorder.Left, drawBorder.Top + 1, 2, 2, 180, 90);
gp.AddLine(drawBorder.Left + 2, drawBorder.Top, drawBorder.Right - 2, drawBorder.Top);
gp.AddArc(drawBorder.Right - 2, drawBorder.Top + 1, 2, 2, 270, 90);
gp.AddLine(drawBorder.Right, drawBorder.Top + 2, drawBorder.Right, drawBorder.Bottom);
}
else if (Mirrored && tabs.Orientation == Orientation.Vertical)
{
gp.AddLine(drawBorder.Left, drawBorder.Top, drawBorder.Right - 2, drawBorder.Top);
gp.AddArc(drawBorder.Right - 2, drawBorder.Top + 1, 2, 2, 270, 90);
gp.AddLine(drawBorder.Right, drawBorder.Top + 2, drawBorder.Right, drawBorder.Bottom - 2);
gp.AddArc(drawBorder.Right - 2, drawBorder.Bottom - 3, 2, 2, 0, 90);
gp.AddLine(drawBorder.Right - 2, drawBorder.Bottom, drawBorder.Left, drawBorder.Bottom);
}
else
{
gp.AddLine(drawBorder.Right, drawBorder.Top, drawBorder.Left + 2, drawBorder.Top);
gp.AddArc(drawBorder.Left, drawBorder.Top + 1, 2, 2, 180, 90);
gp.AddLine(drawBorder.Left, drawBorder.Top + 2, drawBorder.Left, drawBorder.Bottom - 2);
gp.AddArc(drawBorder.Left, drawBorder.Bottom - 3, 2, 2, 90, 90);
gp.AddLine(drawBorder.Left + 2, drawBorder.Bottom, drawBorder.Right, drawBorder.Bottom);
}
if (selected || hovered)
{
Color fill = (hovered) ? Color.WhiteSmoke : Color.White;
if (renderMode == ToolStripRenderMode.Professional)
{
fill = (hovered) ? ProfessionalColors.ButtonCheckedGradientBegin : ProfessionalColors.ButtonCheckedGradientEnd;
using (LinearGradientBrush br = new LinearGradientBrush(tab.ContentRectangle, fill, ProfessionalColors.ButtonCheckedGradientMiddle, LinearGradientMode.Vertical))
g.FillPath(br, gp);
}
else
{
using (SolidBrush br = new SolidBrush(fill))
g.FillPath(br, gp);
}
}
using (Pen p = new Pen((selected) ? ControlPaint.Dark(SystemColors.AppWorkspace) : SystemColors.AppWorkspace))
g.DrawPath(p, gp);
}
}
}
protected override void OnRenderToolStripBorder(ToolStripRenderEventArgs e)
{
Color c = SystemColors.AppWorkspace;
if (UseVS)
{
VisualStyleRenderer rndr = new VisualStyleRenderer(VisualStyleElement.Tab.Pane.Normal);
c = rndr.GetColor(ColorProperty.BorderColorHint);
}
using (Pen p = new Pen(c))
using (Pen p2 = new Pen(e.BackColor))
{
Rectangle r = e.ToolStrip.Bounds;
int x1 = (Mirrored) ? 0 : r.Width - 1 - e.ToolStrip.Padding.Horizontal;
int y1 = (Mirrored) ? 0 : r.Height - 1;
if (e.ToolStrip.Orientation == Orientation.Horizontal)
{
e.Graphics.DrawLine(p, 0, y1, r.Width, y1);
}
else
{
e.Graphics.DrawLine(p, x1, 0, x1, r.Height);
if (!Mirrored)
{
for (int i = x1 + 1; i < r.Width; i++)
{
e.Graphics.DrawLine(p2, i, 0, i, r.Height);
}
}
}
foreach (ToolStripItem x in e.ToolStrip.Items)
{
if (x.IsOnOverflow)
{
continue;
}
TabStripButton btn = x as TabStripButton;
if (btn == null)
{
continue;
}
Rectangle rc = btn.Bounds;
int x2 = (Mirrored) ? rc.Left : rc.Right;
int y2 = (Mirrored) ? rc.Top : rc.Bottom - 1;
int addXY = (Mirrored) ? 0 : 1;
if (e.ToolStrip.Orientation == Orientation.Horizontal)
{
e.Graphics.DrawLine(p, rc.Left, y2, rc.Right, y2);
if (btn.Checked)
{
e.Graphics.DrawLine(p2, rc.Left + 2 - addXY, y2, rc.Right - 2 - addXY, y2);
}
}
else
{
e.Graphics.DrawLine(p, x2, rc.Top, x2, rc.Bottom);
if (btn.Checked)
{
e.Graphics.DrawLine(p2, x2, rc.Top + 2 - addXY, x2, rc.Bottom - 2 - addXY);
}
}
}
}
}
public SelectedTabChangedEventArgs(TabStripButton tab)
{
SelectedTab = tab;
}