protected override void OnRenderButtonBackground(ToolStripItemRenderEventArgs e)
{
TabStrip tabStrip = e.ToolStrip as TabStrip;
Tab tab = e.Item as Tab;
Rectangle bounds = new Rectangle(Point.Empty, e.Item.Size);
if (tab != null && tabStrip != null)
{
System.Windows.Forms.VisualStyles.TabItemState tabState = System.Windows.Forms.VisualStyles.TabItemState.Normal;
if (tab.Checked)
{
tabState |= System.Windows.Forms.VisualStyles.TabItemState.Selected;
}
if (tab.Selected)
{
tabState |= System.Windows.Forms.VisualStyles.TabItemState.Hot;
}
TabRenderer.DrawTabItem(e.Graphics, bounds, tabState);
}
else
{
base.OnRenderButtonBackground(e);
}
}
/// <summary>
/// this method is called when dragging a TabStrip off the toolbox.
/// </summary>
/// <param name="host"></param>
/// <returns></returns>
protected override IComponent[] CreateComponentsCore(IDesignerHost host)
{
IComponent[] components = base.CreateComponentsCore(host);
Control parentControl = null;
ControlDesigner parentControlDesigner = null;
TabStrip tabStrip = null;
IComponentChangeService changeSvc = (IComponentChangeService)host.GetService(typeof(IComponentChangeService));
// fish out the parent we're adding the TabStrip to.
if (components.Length > 0 && components[0] is TabStrip)
{
tabStrip = components[0] as TabStrip;
ITreeDesigner tabStripDesigner = host.GetDesigner(tabStrip) as ITreeDesigner;
parentControlDesigner = tabStripDesigner.Parent as ControlDesigner;
if (parentControlDesigner != null)
{
parentControl = parentControlDesigner.Control;
}
}
// Create a ControlSwitcher on the same parent.
if (host != null)
{
TabPageSwitcher controlSwitcher = null;
DesignerTransaction t = null;
try {
try {
t = host.CreateTransaction("add tabswitcher");
}
catch (CheckoutException ex) {
if (ex == CheckoutException.Canceled)
{
return(components);
}
throw ex;
}
// create a TabPageSwitcher and add it to the same parent as the TabStrip
MemberDescriptor controlsMember = TypeDescriptor.GetProperties(parentControlDesigner)["Controls"];
controlSwitcher = host.CreateComponent(typeof(TabPageSwitcher)) as TabPageSwitcher;
if (changeSvc != null)
{
changeSvc.OnComponentChanging(parentControl, controlsMember);
changeSvc.OnComponentChanged(parentControl, controlsMember, null, null);
}
// specify default values for our TabStrip
Dictionary <string, object> propertyValues = new Dictionary <string, object>();
propertyValues["Location"] = new Point(tabStrip.Left, tabStrip.Bottom + 3);
propertyValues["TabStrip"] = tabStrip;
// set the property values
SetProperties(controlSwitcher, propertyValues, host);
}
finally {
if (t != null)
{
t.Commit();
}
}
// add the TabPageSwitcher to the list of components that we've created
if (controlSwitcher != null)
{
IComponent[] newComponents = new IComponent[components.Length + 1];
Array.Copy(components, newComponents, components.Length);
newComponents[newComponents.Length - 1] = controlSwitcher;
return(newComponents);
}
}
return(components);
}
/// <summary>
/// Control when the background of the Tab is painting.
/// </summary>
/// <param name="e"></param>
protected override void OnRenderButtonBackground(ToolStripItemRenderEventArgs e)
{
TabStrip tabStrip = e.ToolStrip as TabStrip;
Tab tab = e.Item as Tab;
int i_opacity = tab.i_opacity;
if (tab == null)
{
base.OnRenderButtonBackground(e);
return;
}
Rectangle bounds = new Rectangle(Point.Empty, e.Item.Size);
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
int textwidth = Convert.ToInt16(g.MeasureString(tab.Text, tab.Font).Width) - Convert.ToInt16(tab.Text.Length / 3);
int textheight = Convert.ToInt16(g.MeasureString(tab.Text, tab.Font).Height);
if (tabStrip != null)
{
#region Tab Selected and NOT active
if (tab.b_selected & !tab.b_active)
{
#region Show Lateral Gradients
Rectangle ri = bounds;
ri.Width = (tab.Width - textwidth) / 2;
ri.X += 2; ri.Width -= 2;
Color C0i = BaseColor; int c_origin = 255; C0i = SetTransparency(C0i, 0);
Color CFi = HaloColor; c_origin = 255; CFi = SetTransparency(CFi, c_origin - i_opacity);
LinearGradientBrush b = new LinearGradientBrush(ri, C0i, CFi, LinearGradientMode.BackwardDiagonal);
g.FillRectangle(b, ri.X, ri.Y, ri.Width, ri.Height);
int offset = bounds.Width - ri.Width - 1;
ri.Location = new Point(offset, 1);
b = new LinearGradientBrush(ri, C0i, CFi, LinearGradientMode.ForwardDiagonal);
g.FillRectangle(b, offset, ri.Y, ri.Width, ri.Height);
#endregion
#region Show Central Gradient
Rectangle r = bounds;
r.X += 2; r.Width -= 2;
r.Height = r.Height / 2;
Color C0 = BaseColor; c_origin = 255; C0 = SetTransparency(C0, c_origin - i_opacity);
Color CF = HaloColor; c_origin = 255; CF = SetTransparency(CF, c_origin - i_opacity);
b = new LinearGradientBrush(r, C0, CF, LinearGradientMode.Vertical);
g.FillRectangle(b, r.X, r.Y + r.Height + 1, r.Width - r.X, r.Height);
#endregion
#region Show Vertical Side Lines
int Offs = 0;
X0 = 0; XF = tab.Width + X0;
YF = tab.Height + Y0; Y0 = 0;
Point P0 = new Point(X0, Y0);
Point PF = new Point(X0, YF / 2);
Color C0sl = this.OnBackColor; C0sl = SetTransparency(C0sl, 0);
Color CFsl = Color.White;
Rectangle rsl = new Rectangle(X0, Y0 + Offs, X0 + 1, YF / 2);
b = new LinearGradientBrush(rsl, C0sl, CFsl, LinearGradientMode.Vertical);
g.FillRectangle(b, X0, Y0 + Offs, rsl.Width, rsl.Height);
rsl = new Rectangle(X0, YF / 2 - 1, X0 + 1, YF - Offs);
b = new LinearGradientBrush(rsl, CFsl, C0sl, LinearGradientMode.Vertical);
g.FillRectangle(b, X0, YF / 2 - 1, rsl.Width, rsl.Height);
Rectangle rsr = new Rectangle(XF - 2, Y0 + Offs, XF - 1, YF / 2);
b = new LinearGradientBrush(rsr, C0sl, CFsl, LinearGradientMode.Vertical);
g.FillRectangle(b, XF - 1, Y0 + Offs, rsr.Width, rsr.Height);
rsr = new Rectangle(XF - 2, YF / 2 - 1, XF - 1, YF - Offs);
b = new LinearGradientBrush(rsr, CFsl, C0sl, LinearGradientMode.Vertical);
g.FillRectangle(b, XF - 1, YF / 2 - 1, rsr.Width, rsr.Height);
#endregion
#region Show Border
X0 = 0; XF = tab.Width + X0;
Y0 = 0; YF = tab.Height + Y0;
P0 = new Point(X0, Y0);
PF = new Point(X0, Y0 + YF - 15);
Color BorderColor = BaseColor; c_origin = 255; BorderColor = SetTransparency(BorderColor, c_origin - i_opacity);
Pen PBorder = new Pen(BorderColor);
X = X0; Y = Y0; i_Zero = 270; D = 1; T = 5;
DrawArc(0);
g.DrawPath(PBorder, path);
X = X0; Y = Y0; i_Zero = 270; D = 1; T = 5;
DrawArc(1);
Color IBC = Color.White; c_origin = 164; IBC = SetTransparency(IBC, c_origin - i_opacity);
PBorder = new Pen(IBC);
g.DrawPath(PBorder, path);
#endregion
}
#endregion
else if (tab.b_active & !tab.b_selected)
{
#region Show Upper Rectangle
Rectangle upblock = new Rectangle(8, 3, bounds.Width - 16, 4);
g.FillRectangle(new SolidBrush(Color.FromArgb(245, 250, 255)), upblock);
#endregion
#region Show Bottom Rectangle
Color CFsl = this.BaseColor;
Color C0sl = Color.FromArgb(CFsl.R + 19, CFsl.G + 15, CFsl.B + 10);
Rectangle doblock = new Rectangle(6, 3, bounds.Width - 12, bounds.Height);
Brush b = new LinearGradientBrush(doblock, C0sl, CFsl, LinearGradientMode.Vertical);
g.FillRectangle(b, doblock);
#endregion
#region Show Line Borders
Pen b2 = Pens.White; Pen b3 = Pens.White; Pen b4 = Pens.White;
int R0 = this.BaseColor.R;
int G0 = this.BaseColor.G;
int B0 = this.BaseColor.B;
int TX0 = 0; int TY0 = 0; int TXF = bounds.Width; int TYF = bounds.Height;
if (R0 != 0 & G0 != 0 & B0 != 0)
{
if (BaseColor.GetBrightness() < 0.5) //Dark Colors
{
b2 = new Pen(Color.FromArgb(R0 - 22, G0 - 11, B0));
b3 = new Pen(Color.FromArgb(R0 + 18, G0 + 25, B0));
b4 = new Pen(Color.FromArgb(R0, G0, B0));
}
else
{
b2 = new Pen(Color.FromArgb(R0 - 74, G0 - 49, B0 - 15));
b3 = new Pen(Color.FromArgb(R0 - 8, G0 - 24, B0 + 10));
b4 = new Pen(Color.FromArgb(R0, G0, B0));
}
DrawTab(TX0, TY0, TXF, TYF);
g.DrawPath(b2, path);
DrawTab(TX0 + 1, TY0 + 1, TXF - 1, TYF);
g.DrawPath(b3, path);
DrawTab(TX0 + 2, TY0 + 2, TXF - 2, TYF);
g.DrawPath(b4, path);
}
#endregion
#region Show Shadow
Point P0 = new Point(bounds.Right - 5, 3); Point PF = new Point(bounds.Right - 5, bounds.Height - 2);
Pen ps = new Pen(SetTransparency(Color.Black, 20));
g.DrawLine(ps, P0, PF);
P0 = new Point(bounds.Right - 4, 4); PF = new Point(bounds.Right - 4, bounds.Height - 1);
ps = new Pen(SetTransparency(Color.Black, 10));
g.DrawLine(ps, P0, PF);
#endregion
}
else if (tab.b_active & tab.b_selected)
{
#region Show Upper Rectangle
Rectangle upblock = new Rectangle(8, 3, bounds.Width - 16, 4);
g.FillRectangle(new SolidBrush(Color.FromArgb(245, 250, 255)), upblock);
#endregion
#region Show Bottom Rectangle
Color CFsl = this.BaseColor;
Color C0sl = Color.FromArgb(CFsl.R + 19, CFsl.G + 15, CFsl.B + 10);
Rectangle doblock = new Rectangle(6, 3, bounds.Width - 12, bounds.Height);
Brush b = new LinearGradientBrush(doblock, C0sl, CFsl, LinearGradientMode.Vertical);
g.FillRectangle(b, doblock);
#endregion
#region Show Line Borders
Pen b2 = Pens.White; Pen b3 = Pens.White; Pen b4 = Pens.White;
int R0 = this.BaseColor.R;
int G0 = this.BaseColor.G;
int B0 = this.BaseColor.B;
int TX0 = 0; int TY0 = 0; int TXF = bounds.Width; int TYF = bounds.Height;
if (R0 != 0 & G0 != 0 & B0 != 0)
{
if (BaseColor.GetBrightness() < 0.5) //Dark Colors
{
b2 = new Pen(Color.FromArgb(R0 - 26, G0 - 14, B0 - 3));
b3 = new Pen(Color.FromArgb(R0 + 18, G0 + 25, B0));
b4 = new Pen(Color.FromArgb(R0, G0, B0));
}
else
{
b2 = new Pen(Color.FromArgb(R0 - 74, G0 - 49, B0 - 15));
b3 = new Pen(Color.FromArgb(R0 - 8, G0 - 24, B0 + 10));
b4 = new Pen(Color.FromArgb(R0, G0, B0));
}
DrawTab(TX0, TY0, TXF, TYF);
g.DrawPath(b2, path);
DrawTab(TX0 + 1, TY0 + 1, TXF - 1, TYF);
g.DrawPath(b3, path);
DrawTab(TX0 + 2, TY0 + 2, TXF - 2, TYF);
g.DrawPath(b4, path);
}
#endregion
#region Show Shadow
Point P0 = new Point(bounds.Right - 5, 3); Point PF = new Point(bounds.Right - 5, bounds.Height - 2);
Pen ps = new Pen(SetTransparency(Color.Black, 20));
g.DrawLine(ps, P0, PF);
P0 = new Point(bounds.Right - 4, 4); PF = new Point(bounds.Right - 4, bounds.Height - 1);
ps = new Pen(SetTransparency(Color.Black, 10));
g.DrawLine(ps, P0, PF);
#endregion
#region Show Halo
Color CH = halocolor; int c_origin = 255; CH = SetTransparency(CH, c_origin - i_opacity);
DrawHalo(TX0, TY0, TXF, TYF);
g.DrawPath(new Pen(CH), path);
DrawHalo(TX0 + 1, TY0 + 1, TXF + 1, TYF);
g.DrawPath(new Pen(CH), path);
#endregion
}
}
else
{
base.OnRenderButtonBackground(e);
}
}
