private void DrawCaption(Graphics g)
{
if (ClientRectangle.Width == 0 || ClientRectangle.Height == 0)
{
return;
}
if (DockPane.IsActivated)
{
var startColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.StartColor;
var endColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.EndColor;
var gradientMode = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.LinearGradientMode;
using (var brush = new LinearGradientBrush(ClientRectangle, startColor, endColor, gradientMode))
{
brush.Blend = ActiveBackColorGradientBlend;
g.FillRectangle(brush, ClientRectangle);
}
}
else
{
var startColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.StartColor;
var endColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.EndColor;
var gradientMode = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.LinearGradientMode;
using (var brush = new LinearGradientBrush(ClientRectangle, startColor, endColor, gradientMode))
{
g.FillRectangle(brush, ClientRectangle);
}
}
var rectCaption = ClientRectangle;
var rectCaptionText = rectCaption;
rectCaptionText.X += TextGapLeft;
rectCaptionText.Width -= TextGapLeft + TextGapRight;
rectCaptionText.Width -= ButtonGapLeft + ButtonClose.Width + ButtonGapRight;
if (ShouldShowAutoHideButton)
{
rectCaptionText.Width -= ButtonAutoHide.Width + ButtonGapBetween;
}
if (HasTabPageContextMenu)
{
rectCaptionText.Width -= ButtonOptions.Width + ButtonGapBetween;
}
rectCaptionText.Y += TextGapTop;
rectCaptionText.Height -= TextGapTop + TextGapBottom;
var colorText = DockPane.IsActivated ? DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.TextColor : DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.TextColor;
TextRenderer.DrawText(g, DockPane.CaptionText, TextFont, DrawHelper.RtlTransform(this, rectCaptionText), colorText, TextFormat);
}
private Rectangle RtlTransform(Rectangle rect, DockState dockState)
{
Rectangle rectTransformed;
if (dockState == DockState.DockLeftAutoHide || dockState == DockState.DockRightAutoHide)
{
rectTransformed = rect;
}
else
{
rectTransformed = DrawHelper.RtlTransform(this, rect);
}
return(rectTransformed);
}