private void SetButtonsPosition()
{
// set the size and location for close and auto-hide buttons
var rectCaption = ClientRectangle;
var buttonWidth = ButtonClose.Image.Width;
var buttonHeight = ButtonClose.Image.Height;
var height = rectCaption.Height - ButtonGapTop - ButtonGapBottom;
if (buttonHeight < height)
{
buttonWidth = buttonWidth * (height / buttonHeight);
buttonHeight = height;
}
var buttonSize = new Size(buttonWidth, buttonHeight);
var x = rectCaption.X + rectCaption.Width - 1 - ButtonGapRight - m_buttonClose.Width;
var y = rectCaption.Y + ButtonGapTop;
var point = new Point(x, y);
ButtonClose.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
// If the close button is not visible draw the auto hide button overtop.
// Otherwise it is drawn to the left of the close button.
if (CloseButtonVisible)
{
point.Offset(-(buttonWidth + ButtonGapBetween), 0);
}
ButtonAutoHide.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
if (ShouldShowAutoHideButton)
{
point.Offset(-(buttonWidth + ButtonGapBetween), 0);
}
ButtonOptions.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
}
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);
}
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;
Color colorText;
if (DockPane.IsActivated)
{
colorText = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient
.TextColor;
}
else
{
colorText = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient
.TextColor;
}
TextRenderer.DrawText(g, DockPane.CaptionText, TextFont, DrawHelper.RtlTransform(this, rectCaptionText),
colorText, TextFormat);
}