/// <summary>Inserts a button at the specified location.</summary>
/// <param name="Widget">The button to add.</param>
/// <param name="ButtonIndex">The index (starting at 0) at which the button must be inserted, or -1 to insert the button after all existing buttons.</param>
public void InsertButton (BaseButton Widget, int ButtonIndex)
{
Widget.Parent = this;
Widget.Visible = true;
Widget.DrawBackground = true;
if(ButtonIndex == -1 || ButtonIndex == buttons.Count)
{
if(buttons.Count == 0)
{
Widget.GroupStyle = GroupStyle.Alone;
}
else
{
Widget.GroupStyle = GroupStyle.Right;
if(buttons.Count == 1)
{
buttons[buttons.Count - 1].GroupStyle = GroupStyle.Left;
}
else if(buttons.Count > 1)
{
buttons[buttons.Count - 1].GroupStyle = GroupStyle.Center;
}
}
buttons.Add (Widget);
}
else
{
if(ButtonIndex == 0)
{
buttons[buttons.Count - 1].GroupStyle = GroupStyle.Left;
if(buttons.Count == 1)
{
buttons[0].GroupStyle = GroupStyle.Right;
}
else
{
buttons[0].GroupStyle = GroupStyle.Center;
}
}
buttons.Insert (ButtonIndex, Widget);
}
ShowAll ();
}
/// <summary>Adds a button before all existing buttons.</summary>
/// <param name="Widget">The button to add.</param>
public void PrependButton (BaseButton Widget)
{
InsertButton (Widget, 0);
}
/// <summary>Adds a button after all existing buttons.</summary>
/// <param name="Widget">The button to add.</param>
public void AppendButton (BaseButton Widget)
{
InsertButton (Widget, -1);
}
/// <summary>Draws a button.</summary>
public void DrawButton (Context cr, Rectangle bodyAllocation, ButtonState state, double roundSize, double lineWidth, double arrowSize, double arrowPadding, bool drawSeparator, BaseButton widget)
{
double lineWidth05 = lineWidth / 2;
double lineWidth15 = lineWidth05 * 3;
bool upLeft = true, upRight = true, downRight = true, downLeft = true;
switch(widget.GroupStyle)
{
case GroupStyle.Left:
upRight = downRight = false;
break;
case GroupStyle.Center:
upLeft = downLeft = upRight = downRight = false;
break;
case GroupStyle.Right:
upLeft = downLeft = false;
break;
}
cr.LineWidth = lineWidth;
if(state == ButtonState.Pressed || state == ButtonState.Hover)
{
LinearGradient bodyPattern, innerBorderPattern;
Color borderColor;
if(state == ButtonState.Pressed)
{
bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb (0.0, new Color (0.996, 0.847, 0.667));
bodyPattern.AddColorStopRgb (0.37, new Color (0.984, 0.710, 0.396));
bodyPattern.AddColorStopRgb (0.43, new Color (0.980, 0.616, 0.204));
bodyPattern.AddColorStopRgb (1.0, new Color (0.992, 0.933, 0.667));
innerBorderPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop (0.0, new Color (0.876, 0.718, 0.533, 1));
innerBorderPattern.AddColorStop (1.0, new Color (0.876, 0.718, 0.533, 0));
borderColor = new Color (0.671, 0.631, 0.549);
}
else
{
bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb (0.0, new Color (1, 0.996, 0.890));
bodyPattern.AddColorStopRgb (0.37, new Color (1, 0.906, 0.592));
bodyPattern.AddColorStopRgb (0.43, new Color (1, 0.843, 0.314));
bodyPattern.AddColorStopRgb (1.0, new Color (1, 0.906, 0.588));
innerBorderPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop (0.0, new Color (1, 1, 0.969, 1));
innerBorderPattern.AddColorStop (1.0, new Color (1, 1, 0.969, 0));
borderColor = new Color (0.824, 0.753, 0.553);
}
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if(upLeft) cr.MoveTo (x0 + roundSize, y0);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(upLeft) cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
cr.Pattern = bodyPattern;
cr.Fill ();
x0 = bodyAllocation.X + lineWidth15; y0 = bodyAllocation.Y + lineWidth15;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth15; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth15;
double roundSizeMinusLineWidth = roundSize - lineWidth;
if(widget.GroupStyle != GroupStyle.Left) x0 -= lineWidth;
if(upLeft) cr.MoveTo (x0 + roundSizeMinusLineWidth, y0);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(upLeft) cr.Arc (x0 + roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
if(widget.GroupStyle != GroupStyle.Left) x0 += lineWidth;
cr.Pattern = innerBorderPattern;
cr.Stroke ();
x0 = bodyAllocation.X + lineWidth05; y0 = bodyAllocation.Y + lineWidth05;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if(upLeft) cr.MoveTo (x0 + roundSize, y0);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(widget.GroupStyle == GroupStyle.Left)
{
if(upLeft) cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
}
cr.Color = borderColor;
cr.Stroke ();
}
else if(widget.DrawBackground)
{
LinearGradient bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStop (0.0, new Color (1, 1, 1, 0.7));
bodyPattern.AddColorStop (0.37, new Color (1, 1, 1, 0.2));
bodyPattern.AddColorStop (0.43, new Color (1, 1, 1, 0.2));
bodyPattern.AddColorStop (1.0, new Color (1, 1, 1, 0.7));
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if(upLeft) cr.MoveTo (x0 + roundSize, y0);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(upLeft) cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
cr.Pattern = bodyPattern;
cr.Fill ();
if(widget.GroupStyle != GroupStyle.Left)
{
if(downLeft) cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
else cr.MoveTo (x0, y1);
if(upLeft) cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
else cr.LineTo (x0, y0);
cr.Color = new Color (1, 1, 1, 0.8);
cr.Stroke ();
}
if(upLeft) cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
else cr.MoveTo (x0, y0);
if(upRight) cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
else cr.LineTo (x1, y0);
if(downRight) cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
else cr.LineTo (x1, y1);
if(downLeft) cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
else cr.LineTo (x0, y1);
if(widget.GroupStyle == GroupStyle.Left)
{
if(upLeft) cr.LineTo (x0, y0 + roundSize);
else cr.LineTo (x0, y0);
}
cr.Color = new Color (0, 0, 0, 0.2);
cr.Stroke ();
}
if(arrowSize > 0)
{
double x, y;
switch(widget.ImagePosition)
{
case Gtk.PositionType.Bottom:
case Gtk.PositionType.Top:
x = bodyAllocation.X + (bodyAllocation.Width - arrowSize) / 2.0;
y = bodyAllocation.Y + bodyAllocation.Height - 2 * lineWidth - arrowSize - 2 * arrowPadding;
if(drawSeparator)
{
double left = bodyAllocation.X + 2 * lineWidth, right = bodyAllocation.X + bodyAllocation.Width - 2 * lineWidth;
cr.MoveTo (left, y - lineWidth / 2);
cr.LineTo (right, y - lineWidth / 2);
cr.Color = new Color (0, 0, 0, 0.1);
cr.Stroke ();
cr.MoveTo (left, y + lineWidth / 2);
cr.LineTo (right, y + lineWidth / 2);
cr.Color = new Color (1, 1, 1, 0.6);
cr.Stroke ();
}
y += arrowPadding;
break;
default:
x = bodyAllocation.X + bodyAllocation.Width - 2 * lineWidth - arrowSize - 2 * arrowPadding;
y = bodyAllocation.Y + (bodyAllocation.Height - arrowSize) / 2.0;
if(drawSeparator)
{
double top = bodyAllocation.Y + 2 * lineWidth, bottom = bodyAllocation.Y + bodyAllocation.Height - 2 * lineWidth;
cr.MoveTo (x - lineWidth / 2, top);
cr.LineTo (x - lineWidth / 2, bottom);
cr.Color = new Color (0, 0, 0, 0.1);
cr.Stroke ();
cr.MoveTo (x + lineWidth / 2, top);
cr.LineTo (x + lineWidth / 2, bottom);
cr.Color = new Color (1, 1, 1, 0.6);
cr.Stroke ();
}
x += arrowPadding;
break;
}
y += arrowSize / 4.0 + lineWidth / 2.0;
cr.MoveTo (x, y);
cr.LineTo (x + arrowSize, y);
cr.LineTo (x + arrowSize / 2.0, y + arrowSize / 2.0);
cr.LineTo (x, y);
cr.Color = new Color (0, 0, 0);
cr.Fill ();
}
}
/// <summary>Adds a button after all existing buttons.</summary>
/// <param name="Widget">The button to add.</param>
public void AppendButton(BaseButton Widget)
{
InsertButton(Widget, -1);
}
/// <summary>Adds a button before all existing buttons.</summary>
/// <param name="Widget">The button to add.</param>
public void PrependButton(BaseButton Widget)
{
InsertButton(Widget, 0);
}
/// <summary>Draws an application button.</summary>
public void DrawApplicationButton(Context cr, Gdk.Rectangle bodyAllocation, ButtonState state, double lineWidth, BaseButton widget)
{
const double dropShadowOffset = 1;
double radius = (bodyAllocation.Height - dropShadowOffset) / 2;
double x = bodyAllocation.X + radius + dropShadowOffset;
double y = bodyAllocation.Y + radius + dropShadowOffset;
cr.Arc (x, y, radius, 0, 2 * Math.PI);
cr.Color = new Color (0, 0, 0, 0.5);
cr.Fill ();
cr.Arc (bodyAllocation.X + radius, bodyAllocation.Y + radius, radius, 0, 2 * Math.PI);
switch(state)
{
case ButtonState.Hover:
cr.Color = new Color (0.9, 0.815, 0.533);
break;
case ButtonState.Pressed:
cr.Color = new Color (0.886, 0.639, 0.356);
break;
default:
cr.Color = new Color (0.8, 0.8, 0.8);
break;
}
cr.Fill ();
cr.Arc (bodyAllocation.X + radius, bodyAllocation.Y + radius, radius, 0, 2 * Math.PI);
LinearGradient linGrad = new LinearGradient (0, bodyAllocation.Y, 0, bodyAllocation.Y + bodyAllocation.Height);
linGrad.AddColorStop (0.0, new Color (1, 1, 1, 0.9));
linGrad.AddColorStop (0.5, new Color (1, 1, 1, 0.0));
linGrad.AddColorStop (1.0, new Color (1, 1, 1, 1.0));
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
cr.Arc (bodyAllocation.X + radius, bodyAllocation.Y + radius, radius, 0, 2 * Math.PI);
linGrad = new LinearGradient (0, bodyAllocation.Y, 0, bodyAllocation.Y + bodyAllocation.Height);
linGrad.AddColorStop (0.0, new Color (0, 0, 0, 0.0));
linGrad.AddColorStop (0.4, new Color (0, 0, 0, 0.0));
linGrad.AddColorStop (0.5, new Color (0, 0, 0, 0.1));
linGrad.AddColorStop (0.75, new Color (0, 0, 0, 0.0));
linGrad.AddColorStop (1.0, new Color (0, 0, 0, 0.0));
cr.Pattern = linGrad;
cr.Fill ();
linGrad.Destroy ();
cr.Arc (bodyAllocation.X + radius, bodyAllocation.Y + radius, radius, 0, Math.PI);
linGrad = new LinearGradient (0, bodyAllocation.Y + radius, 0, bodyAllocation.Y + bodyAllocation.Height);
linGrad.AddColorStop (0.0, new Color (0, 0, 0, 0.0));
linGrad.AddColorStop (1.0, new Color (0, 0, 0, 0.5));
cr.Pattern = linGrad;
cr.LineWidth = 1.0;
cr.Stroke ();
linGrad.Destroy ();
cr.Arc (bodyAllocation.X + radius, bodyAllocation.Y + radius, radius, Math.PI, 0);
linGrad = new LinearGradient (0, bodyAllocation.Y, 0, bodyAllocation.Y + radius);
linGrad.AddColorStop (0.0, new Color (1, 1, 1, 0.5));
linGrad.AddColorStop (1.0, new Color (1, 1, 1, 0.0));
cr.LineWidth = 1.0;
cr.Stroke ();
linGrad.Destroy ();
cr.Arc (bodyAllocation.X + radius, bodyAllocation.Y + radius, radius, 0, 2 * Math.PI);
RadialGradient radGrad = new RadialGradient (bodyAllocation.X + radius, bodyAllocation.Y + 1.5 * radius, 0, bodyAllocation.X + radius, bodyAllocation.Y + 1.5 * radius, 0.5 * radius);
radGrad.AddColorStop (0, new Color (1, 1, 1, 0.4));
radGrad.AddColorStop (1, new Color (1, 1, 1, 0.0));
cr.Pattern = radGrad;
cr.Fill ();
radGrad.Destroy ();
}
/// <summary>Draws a button.</summary>
public void DrawButton(Context cr, Rectangle bodyAllocation, ButtonState state, double roundSize, double lineWidth, double arrowSize, double arrowPadding, bool drawSeparator, BaseButton widget)
{
double lineWidth05 = lineWidth / 2;
double lineWidth15 = lineWidth05 * 3;
bool upLeft = true, upRight = true, downRight = true, downLeft = true;
switch (widget.GroupStyle)
{
case GroupStyle.Left:
upRight = downRight = false;
break;
case GroupStyle.Center:
upLeft = downLeft = upRight = downRight = false;
break;
case GroupStyle.Right:
upLeft = downLeft = false;
break;
}
cr.LineWidth = lineWidth;
if (state == ButtonState.Pressed || state == ButtonState.Hover)
{
LinearGradient bodyPattern, innerBorderPattern;
Color borderColor;
if (state == ButtonState.Pressed)
{
bodyPattern = new LinearGradient(bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb(0.0, new Color(0.996, 0.847, 0.667));
bodyPattern.AddColorStopRgb(0.37, new Color(0.984, 0.710, 0.396));
bodyPattern.AddColorStopRgb(0.43, new Color(0.980, 0.616, 0.204));
bodyPattern.AddColorStopRgb(1.0, new Color(0.992, 0.933, 0.667));
innerBorderPattern = new LinearGradient(bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop(0.0, new Color(0.876, 0.718, 0.533, 1));
innerBorderPattern.AddColorStop(1.0, new Color(0.876, 0.718, 0.533, 0));
borderColor = new Color(0.671, 0.631, 0.549);
}
else
{
bodyPattern = new LinearGradient(bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb(0.0, new Color(1, 0.996, 0.890));
bodyPattern.AddColorStopRgb(0.37, new Color(1, 0.906, 0.592));
bodyPattern.AddColorStopRgb(0.43, new Color(1, 0.843, 0.314));
bodyPattern.AddColorStopRgb(1.0, new Color(1, 0.906, 0.588));
innerBorderPattern = new LinearGradient(bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop(0.0, new Color(1, 1, 0.969, 1));
innerBorderPattern.AddColorStop(1.0, new Color(1, 1, 0.969, 0));
borderColor = new Color(0.824, 0.753, 0.553);
}
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if (upLeft)
{
cr.MoveTo(x0 + roundSize, y0);
}
else
{
cr.MoveTo(x0, y0);
}
if (upRight)
{
cr.Arc(x1 - roundSize, y0 + roundSize, roundSize, 1.5 * Math.PI, 0);
}
else
{
cr.LineTo(x1, y0);
}
if (downRight)
{
cr.Arc(x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5 * Math.PI);
}
else
{
cr.LineTo(x1, y1);
}
if (downLeft)
{
cr.Arc(x0 + roundSize, y1 - roundSize, roundSize, 0.5 * Math.PI, Math.PI);
}
else
{
cr.LineTo(x0, y1);
}
if (upLeft)
{
cr.Arc(x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5 * Math.PI);
}
else
{
cr.LineTo(x0, y0);
}
cr.Pattern = bodyPattern;
cr.Fill();
x0 = bodyAllocation.X + lineWidth15; y0 = bodyAllocation.Y + lineWidth15;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth15; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth15;
double roundSizeMinusLineWidth = roundSize - lineWidth;
if (widget.GroupStyle != GroupStyle.Left)
{
x0 -= lineWidth;
}
if (upLeft)
{
cr.MoveTo(x0 + roundSizeMinusLineWidth, y0);
}
else
{
cr.MoveTo(x0, y0);
}
if (upRight)
{
cr.Arc(x1 - roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, 1.5 * Math.PI, 0);
}
else
{
cr.LineTo(x1, y0);
}
if (downRight)
{
cr.Arc(x1 - roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0, 0.5 * Math.PI);
}
else
{
cr.LineTo(x1, y1);
}
if (downLeft)
{
cr.Arc(x0 + roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0.5 * Math.PI, Math.PI);
}
else
{
cr.LineTo(x0, y1);
}
if (upLeft)
{
cr.Arc(x0 + roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, Math.PI, 1.5 * Math.PI);
}
else
{
cr.LineTo(x0, y0);
}
if (widget.GroupStyle != GroupStyle.Left)
{
x0 += lineWidth;
}
cr.Pattern = innerBorderPattern;
cr.Stroke();
x0 = bodyAllocation.X + lineWidth05; y0 = bodyAllocation.Y + lineWidth05;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if (upLeft)
{
cr.MoveTo(x0 + roundSize, y0);
}
else
{
cr.MoveTo(x0, y0);
}
if (upRight)
{
cr.Arc(x1 - roundSize, y0 + roundSize, roundSize, 1.5 * Math.PI, 0);
}
else
{
cr.LineTo(x1, y0);
}
if (downRight)
{
cr.Arc(x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5 * Math.PI);
}
else
{
cr.LineTo(x1, y1);
}
if (downLeft)
{
cr.Arc(x0 + roundSize, y1 - roundSize, roundSize, 0.5 * Math.PI, Math.PI);
}
else
{
cr.LineTo(x0, y1);
}
if (widget.GroupStyle == GroupStyle.Left)
{
if (upLeft)
{
cr.Arc(x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5 * Math.PI);
}
else
{
cr.LineTo(x0, y0);
}
}
cr.Color = borderColor;
cr.Stroke();
}
else if (widget.DrawBackground)
{
LinearGradient bodyPattern = new LinearGradient(bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStop(0.0, new Color(1, 1, 1, 0.7));
bodyPattern.AddColorStop(0.37, new Color(1, 1, 1, 0.2));
bodyPattern.AddColorStop(0.43, new Color(1, 1, 1, 0.2));
bodyPattern.AddColorStop(1.0, new Color(1, 1, 1, 0.7));
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
if (upLeft)
{
cr.MoveTo(x0 + roundSize, y0);
}
else
{
cr.MoveTo(x0, y0);
}
if (upRight)
{
cr.Arc(x1 - roundSize, y0 + roundSize, roundSize, 1.5 * Math.PI, 0);
}
else
{
cr.LineTo(x1, y0);
}
if (downRight)
{
cr.Arc(x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5 * Math.PI);
}
else
{
cr.LineTo(x1, y1);
}
if (downLeft)
{
cr.Arc(x0 + roundSize, y1 - roundSize, roundSize, 0.5 * Math.PI, Math.PI);
}
else
{
cr.LineTo(x0, y1);
}
if (upLeft)
{
cr.Arc(x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5 * Math.PI);
}
else
{
cr.LineTo(x0, y0);
}
cr.Pattern = bodyPattern;
cr.Fill();
if (widget.GroupStyle != GroupStyle.Left)
{
if (downLeft)
{
cr.Arc(x0 + roundSize, y1 - roundSize, roundSize, 0.5 * Math.PI, Math.PI);
}
else
{
cr.MoveTo(x0, y1);
}
if (upLeft)
{
cr.Arc(x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5 * Math.PI);
}
else
{
cr.LineTo(x0, y0);
}
cr.Color = new Color(1, 1, 1, 0.8);
cr.Stroke();
}
if (upLeft)
{
cr.Arc(x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5 * Math.PI);
}
else
{
cr.MoveTo(x0, y0);
}
if (upRight)
{
cr.Arc(x1 - roundSize, y0 + roundSize, roundSize, 1.5 * Math.PI, 0);
}
else
{
cr.LineTo(x1, y0);
}
if (downRight)
{
cr.Arc(x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5 * Math.PI);
}
else
{
cr.LineTo(x1, y1);
}
if (downLeft)
{
cr.Arc(x0 + roundSize, y1 - roundSize, roundSize, 0.5 * Math.PI, Math.PI);
}
else
{
cr.LineTo(x0, y1);
}
if (widget.GroupStyle == GroupStyle.Left)
{
if (upLeft)
{
cr.LineTo(x0, y0 + roundSize);
}
else
{
cr.LineTo(x0, y0);
}
}
cr.Color = new Color(0, 0, 0, 0.2);
cr.Stroke();
}
if (arrowSize > 0)
{
double x, y;
switch (widget.ImagePosition)
{
case Gtk.PositionType.Bottom:
case Gtk.PositionType.Top:
x = bodyAllocation.X + (bodyAllocation.Width - arrowSize) / 2.0;
y = bodyAllocation.Y + bodyAllocation.Height - 2 * lineWidth - arrowSize - 2 * arrowPadding;
if (drawSeparator)
{
double left = bodyAllocation.X + 2 * lineWidth, right = bodyAllocation.X + bodyAllocation.Width - 2 * lineWidth;
cr.MoveTo(left, y - lineWidth / 2);
cr.LineTo(right, y - lineWidth / 2);
cr.Color = new Color(0, 0, 0, 0.1);
cr.Stroke();
cr.MoveTo(left, y + lineWidth / 2);
cr.LineTo(right, y + lineWidth / 2);
cr.Color = new Color(1, 1, 1, 0.6);
cr.Stroke();
}
y += arrowPadding;
break;
default:
x = bodyAllocation.X + bodyAllocation.Width - 2 * lineWidth - arrowSize - 2 * arrowPadding;
y = bodyAllocation.Y + (bodyAllocation.Height - arrowSize) / 2.0;
if (drawSeparator)
{
double top = bodyAllocation.Y + 2 * lineWidth, bottom = bodyAllocation.Y + bodyAllocation.Height - 2 * lineWidth;
cr.MoveTo(x - lineWidth / 2, top);
cr.LineTo(x - lineWidth / 2, bottom);
cr.Color = new Color(0, 0, 0, 0.1);
cr.Stroke();
cr.MoveTo(x + lineWidth / 2, top);
cr.LineTo(x + lineWidth / 2, bottom);
cr.Color = new Color(1, 1, 1, 0.6);
cr.Stroke();
}
x += arrowPadding;
break;
}
y += arrowSize / 4.0 + lineWidth / 2.0;
cr.MoveTo(x, y);
cr.LineTo(x + arrowSize, y);
cr.LineTo(x + arrowSize / 2.0, y + arrowSize / 2.0);
cr.LineTo(x, y);
cr.Color = new Color(0, 0, 0);
cr.Fill();
}
}
