Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Themes / Royale / Microsoft / Windows / Themes / ButtonChrome.cs / 1 / ButtonChrome.cs
//----------------------------------------------------------------------------
// File: ButtonChrome.cs
//
// Description:
// Implementation of thick chrome for "full figured" buttons in Royale.
//
// History:
// 11/14/2005 - AtanasK - Cloned from Luna Blue source files.
//
// Copyright (C) 2005 by Microsoft Corporation. All rights reserved.
//
//---------------------------------------------------------------------------
using System.Windows.Shapes;
using System.Windows.Controls;
using System.Diagnostics;
using System.Threading;
using System.Windows;
using System.Windows.Media;
using MS.Internal;
using System;
namespace Microsoft.Windows.Themes
{
///
/// The ButtonChrome element
/// This element is a theme-specific type that is used as an optimization
/// for a common complex rendering used in Royale
///
///
///
//
//
public sealed class ButtonChrome : Decorator
{
#region Constructors
static ButtonChrome()
{
IsEnabledProperty.OverrideMetadata(typeof(ButtonChrome), new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.AffectsRender));
}
///
/// Instantiates a new instance of a ButtonChrome with no parent element.
///
///
/// DependencyProperty for
public static readonly DependencyProperty FillProperty =
Shape.FillProperty.AddOwner(
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
null,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// The Fill property defines the brush used to fill the border region.
///
public Brush Fill
{
get { return (Brush) GetValue(FillProperty); }
set { SetValue(FillProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty BorderBrushProperty =
Border.BorderBrushProperty.AddOwner(
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
null,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// The BorderBrush property defines the brush used to fill the border region.
///
public Brush BorderBrush
{
get { return (Brush) GetValue(BorderBrushProperty); }
set { SetValue(BorderBrushProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty RenderDefaultedProperty =
DependencyProperty.Register("RenderDefaulted",
typeof(bool),
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
false,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// When true the chrome renders with a defaulted look.
///
public bool RenderDefaulted
{
get { return (bool) GetValue(RenderDefaultedProperty); }
set { SetValue(RenderDefaultedProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty RenderMouseOverProperty =
DependencyProperty.Register("RenderMouseOver",
typeof(bool),
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
false,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// When true the chrome renders with a mouse over look.
///
public bool RenderMouseOver
{
get { return (bool) GetValue(RenderMouseOverProperty); }
set { SetValue(RenderMouseOverProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty RenderPressedProperty =
DependencyProperty.Register("RenderPressed",
typeof(bool),
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
false,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// When true the chrome renders with a pressed look.
///
public bool RenderPressed
{
get { return (bool) GetValue(RenderPressedProperty); }
set { SetValue(RenderPressedProperty, value); }
}
#endregion Dynamic Properties
#region Protected Methods
private const double sideThickness = 4.0;
private const double sideThickness2 = 2 * sideThickness;
///
/// Updates DesiredSize of the ButtonChrome. Called by parent UIElement. This is the first pass of layout.
///
///
/// ButtonChrome basically inflates the desired size of its one child by 4 on all four sides
///
/// Available size is an "upper limit" that the return value should not exceed.
/// The ButtonChrome's desired size.
protected override Size MeasureOverride(Size availableSize)
{
Size desired;
UIElement child = Child;
if (child != null)
{
Size childConstraint = new Size();
bool isWidthTooSmall = (availableSize.Width < sideThickness2);
bool isHeightTooSmall = (availableSize.Height < sideThickness2);
if (!isWidthTooSmall)
{
childConstraint.Width = availableSize.Width - sideThickness2;
}
if (!isHeightTooSmall)
{
childConstraint.Height = availableSize.Height - sideThickness2;
}
child.Measure(childConstraint);
desired = child.DesiredSize;
if (!isWidthTooSmall)
{
desired.Width += sideThickness2;
}
if (!isHeightTooSmall)
{
desired.Height += sideThickness2;
}
}
else
{
desired = new Size(Math.Min(sideThickness2, availableSize.Width), Math.Min(sideThickness2, availableSize.Height));
}
return desired;
}
///
/// ButtonChrome computes the position of its single child inside child's Margin and calls Arrange
/// on the child.
///
///
/// ButtonChrome basically inflates the desired size of its one child by 4 on all four sides
///
/// Size the ContentPresenter will assume.
protected override Size ArrangeOverride(Size finalSize)
{
Rect childArrangeRect = new Rect();
childArrangeRect.Width = Math.Max(0d, finalSize.Width - sideThickness2);
childArrangeRect.Height = Math.Max(0d, finalSize.Height - sideThickness2);
childArrangeRect.X = (finalSize.Width - childArrangeRect.Width) * 0.5;
childArrangeRect.Y = (finalSize.Height - childArrangeRect.Height) * 0.5;
UIElement child = Child;
if (child != null)
{
child.Arrange(childArrangeRect);
}
return finalSize;
}
private bool DrawBackground(DrawingContext dc, ref Rect bounds)
{
// draw actual background
Brush brush = Background;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, bounds, 3.0, 3.0);
}
if ((bounds.Width < 0.6) || (bounds.Height < 0.6))
{
// out of space; we're done
return true;
}
return false;
}
private void DrawShades(DrawingContext dc, ref Rect bounds)
{
// shades are inset an additional 0.3
bounds.Inflate(-0.3, -0.3);
// draw top shade
Brush brush = TopShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Left, bounds.Top, bounds.Width, 6.0), 3.0, 3.0);
}
// draw bottom shade
brush = BottomShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Left, bounds.Bottom - 6.0, bounds.Width, 6.0), 3.0, 3.0);
}
// draw left shade
brush = LeftShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Left, bounds.Top, 6.0, bounds.Height), 3.0, 3.0);
}
// draw right shade
brush = RightShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Right - 6.0, bounds.Top, 6.0, bounds.Height), 3.0, 3.0);
}
// dones with shades; outset bounds
bounds.Inflate(0.3, 0.3);
}
private void DrawInnerHighlight(DrawingContext dc, ref Rect bounds)
{
// draw inner highlight
Pen pen = InnerHighlight;
if (pen != null && (bounds.Width >= (8.0 / 3.0)) && (bounds.Height >= (8.0 / 3.0)))
{
dc.DrawRoundedRectangle(
null,
pen,
new Rect(
bounds.Left + 4.0 / 3.0,
bounds.Top + 4.0 / 3.0,
bounds.Width - 8.0 / 3.0,
bounds.Height - 8.0 / 3.0),
2.0,
2.0);
}
}
private void DrawBorder(DrawingContext dc, ref Rect bounds)
{
// draw border
Pen borderPen = BorderPen;
if ((borderPen != null) && (bounds.Width >= 1.0) && (bounds.Height >= 1.0))
{
dc.DrawRoundedRectangle(
null,
borderPen,
new Rect(
bounds.Left + 0.5,
bounds.Top + 0.5,
bounds.Width - 1.0,
bounds.Height - 1.0),
2.0,
2.0);
}
}
///
/// Render callback.
/// Note: Assumes OuterHighlight.Thickness = 1pt and InnerHighlight.Thickness = 2pt
///
protected override void OnRender(DrawingContext drawingContext)
{
Rect bounds = new Rect(0, 0, ActualWidth, ActualHeight);
if (DrawBackground(drawingContext, ref bounds))
{
// Out of space, stop
return;
}
DrawShades(drawingContext, ref bounds);
DrawInnerHighlight(drawingContext, ref bounds);
DrawBorder(drawingContext, ref bounds);
}
#endregion
#region Private Properties
//
// This property
// 1. Finds the correct initial size for the _effectiveValues store on the current DependencyObject
// 2. This is a performance optimization
//
internal override int EffectiveValuesInitialSize
{
get { return 12; }
}
private static Pen CommonDisabledBorderPen
{
get
{
if (_commonDisabledBorderPen == null)
{
lock (_resourceAccess)
{
if (_commonDisabledBorderPen == null)
{
SolidColorBrush brush = new SolidColorBrush(Color.FromArgb(0xFF,0xC6,0xC5,0xC9));
Pen temp = new Pen(brush, 1);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonDisabledBorderPen = temp;
}
}
}
return _commonDisabledBorderPen;
}
}
private Pen BorderPen
{
get
{
if (!IsEnabled)
return CommonDisabledBorderPen;
Pen pen = null;
Brush brush = BorderBrush;
if (brush != null)
{
if (_commonBorderPen == null) // Common case, if non-null, avoid the lock
{
lock (_resourceAccess) // If non-null, lock to create the pen for thread safety
{
if (_commonBorderPen == null) // Check again in case _commonBorderPen was created within the last line
{
// Assume that the first render of Button uses the most common brush for the app.
// This breaks down if (a) the first Button is disabled, (b) the first Button is
// customized, or (c) ButtonChrome becomes more broadly used than just on Button.
//
// If these cons sufficiently weaken the effectiveness of this cache, then we need
// to build a larger brush-to-pen mapping cache.
// If the brush is not already frozen, we need to create our own
// copy. Otherwise we will inadvertently freeze the user's
// BorderBrush when we freeze the pen below.
if (!brush.IsFrozen && brush.CanFreeze)
{
brush = brush.Clone();
brush.Freeze();
}
Pen commonPen = new Pen(brush, 1);
if (commonPen.CanFreeze)
{
// Only save frozen pens, some brushes such as VisualBrush
// can not be frozen
commonPen.Freeze();
_commonBorderPen = commonPen;
}
}
}
}
if (_commonBorderPen != null && brush == _commonBorderPen.Brush)
{
pen = _commonBorderPen;
}
else
{
if (!brush.IsFrozen && brush.CanFreeze)
{
brush = brush.Clone();
brush.Freeze();
}
pen = new Pen(brush, 1);
if (pen.CanFreeze)
{
pen.Freeze();
}
}
}
return pen;
}
}
private static Pen CommonOuterHighlight
{
get
{
if (_commonOuterHighlight == null)
{
lock (_resourceAccess)
{
if (_commonOuterHighlight == null)
{
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new Point(0,0);
brush.EndPoint = new Point(0.4,1);
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0x20,0x00,0x00,0x00), 0));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0x80,0xFF,0xFF,0xFF), 1));
Pen temp = new Pen(brush, 1.3333333333);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonOuterHighlight = temp;
}
}
}
return _commonOuterHighlight;
}
}
private Pen OuterHighlight
{
get
{
if (!IsEnabled)
return null;
return CommonOuterHighlight;
}
}
private static Pen CommonDefaultedInnerHighlight
{
get
{
if (_commonDefaultedInnerHighlight == null)
{
lock (_resourceAccess)
{
if (_commonDefaultedInnerHighlight == null)
{
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new Point(0.5, 0);
brush.EndPoint = new Point(0.5, 1);
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xCE, 0xE7, 0xFF), 0));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xBC, 0xD4, 0xF6), 0.3));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0x89, 0xAD, 0xE4), 0.97));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0x69, 0x82, 0xEE), 1));
Pen temp = new Pen(brush, 2.6666666667);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonDefaultedInnerHighlight = temp;
}
}
}
return _commonDefaultedInnerHighlight;
}
}
private static Pen CommonHoverInnerHighlight
{
get
{
if (_commonHoverInnerHighlight == null)
{
lock (_resourceAccess)
{
if (_commonHoverInnerHighlight == null)
{
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new Point(0.5, 0);
brush.EndPoint = new Point(0.5, 1);
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFF, 0xF0, 0xCF), 0));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFC, 0xD2, 0x79), 0.03));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xF8, 0xB7, 0x3B), 0.75));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xE5, 0x97, 0x00), 1));
Pen temp = new Pen(brush, 2.6666666667);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonHoverInnerHighlight = temp;
}
}
}
return _commonHoverInnerHighlight;
}
}
private Pen InnerHighlight
{
get
{
if (!IsEnabled || RenderPressed)
{
return null;
}
if (RenderMouseOver)
{
return CommonHoverInnerHighlight;
}
if (RenderDefaulted)
{
return CommonDefaultedInnerHighlight;
}
return null;
}
}
private static LinearGradientBrush CommonBottomShade
{
get
{
if (_commonBottomShade == null)
{
lock (_resourceAccess)
{
if (_commonBottomShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5,0);
temp.EndPoint = new Point(0.5,1);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x35,0x59,0x2F,0x00), 1));
temp.Freeze();
_commonBottomShade = temp;
}
}
}
return _commonBottomShade;
}
}
private static LinearGradientBrush CommonPressedBottomShade
{
get
{
if (_commonPressedBottomShade == null)
{
lock (_resourceAccess)
{
if (_commonPressedBottomShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5, 0);
temp.EndPoint = new Point(0.5, 1);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00, 0xFF, 0xFF, 0xFF), 0.6));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF), 1));
temp.Freeze();
_commonPressedBottomShade = temp;
}
}
}
return _commonPressedBottomShade;
}
}
private LinearGradientBrush BottomShade
{
get
{
if (!IsEnabled)
return null;
if (RenderPressed)
return CommonPressedBottomShade;
return CommonBottomShade;
}
}
private static LinearGradientBrush CommonRightShade
{
get
{
if (_commonRightShade == null)
{
lock (_resourceAccess)
{
if (_commonRightShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0, 0.5);
temp.EndPoint = new Point(1, 0.5);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0xFF,0xFF,0xFF), 1));
temp.Freeze();
_commonRightShade = temp;
}
}
}
return _commonRightShade;
}
}
private LinearGradientBrush RightShade
{
get
{
if (!IsEnabled || RenderPressed)
return null;
return CommonRightShade;
}
}
private static LinearGradientBrush CommonPressedTopShade
{
get
{
if (_commonPressedTopShade == null)
{
lock (_resourceAccess)
{
if (_commonPressedTopShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5, 1);
temp.EndPoint = new Point(0.5, 0);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0x97,0x8B,0x72), 1));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.6));
temp.Freeze();
_commonPressedTopShade = temp;
}
}
}
return _commonPressedTopShade;
}
}
private LinearGradientBrush TopShade
{
get
{
if (!IsEnabled)
return null;
if (RenderPressed)
return CommonPressedTopShade;
return null;
}
}
private static LinearGradientBrush CommonLeftShade
{
get
{
if (_commonLeftShade == null)
{
lock (_resourceAccess)
{
if (_commonLeftShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(1, 0.5);
temp.EndPoint = new Point(0, 0.5);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0xFF,0xFF,0xFF), 1));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
temp.Freeze();
_commonLeftShade = temp;
}
}
}
return _commonLeftShade;
}
}
private static LinearGradientBrush CommonPressedLeftShade
{
get
{
if (_commonPressedLeftShade == null)
{
lock (_resourceAccess)
{
if (_commonPressedLeftShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(1, 0.5);
temp.EndPoint = new Point(0, 0.5);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0xAA,0x9D,0x87), 1));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.6));
temp.Freeze();
_commonPressedLeftShade = temp;
}
}
}
return _commonPressedLeftShade;
}
}
private LinearGradientBrush LeftShade
{
get
{
if (!IsEnabled)
return null;
if (RenderPressed)
return CommonPressedLeftShade;
return CommonLeftShade;
}
}
private static SolidColorBrush CommonDisabledFill
{
get
{
return Brushes.White;
}
}
private static LinearGradientBrush CommonPressedFill
{
get
{
if (_commonPressedFill == null)
{
lock (_resourceAccess)
{
if (_commonPressedFill == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5, 1);
temp.EndPoint = new Point(0.5, 0);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF), 0));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xE3, 0xEB, 0xF3), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xD0, 0xDC, 0xEB), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xA6, 0xB8, 0xCF), 1));
temp.Freeze();
_commonPressedFill = temp;
}
}
}
return _commonPressedFill;
}
}
private Brush Background
{
get
{
if (!IsEnabled)
return CommonDisabledFill;
if (RenderPressed)
return CommonPressedFill;
return Fill;
}
}
private static Pen _commonBorderPen;
private static Pen _commonDisabledBorderPen;
private static Pen _commonOuterHighlight;
private static LinearGradientBrush _commonBottomShade;
private static LinearGradientBrush _commonRightShade;
private static LinearGradientBrush _commonLeftShade;
private static Pen _commonDefaultedInnerHighlight;
private static Pen _commonHoverInnerHighlight;
private static LinearGradientBrush _commonPressedBottomShade;
private static LinearGradientBrush _commonPressedTopShade;
private static LinearGradientBrush _commonPressedLeftShade;
private static LinearGradientBrush _commonPressedFill;
private static object _resourceAccess = new object();
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
// File: ButtonChrome.cs
//
// Description:
// Implementation of thick chrome for "full figured" buttons in Royale.
//
// History:
// 11/14/2005 - AtanasK - Cloned from Luna Blue source files.
//
// Copyright (C) 2005 by Microsoft Corporation. All rights reserved.
//
//---------------------------------------------------------------------------
using System.Windows.Shapes;
using System.Windows.Controls;
using System.Diagnostics;
using System.Threading;
using System.Windows;
using System.Windows.Media;
using MS.Internal;
using System;
namespace Microsoft.Windows.Themes
{
///
/// The ButtonChrome element
/// This element is a theme-specific type that is used as an optimization
/// for a common complex rendering used in Royale
///
///
///
//
//
public sealed class ButtonChrome : Decorator
{
#region Constructors
static ButtonChrome()
{
IsEnabledProperty.OverrideMetadata(typeof(ButtonChrome), new FrameworkPropertyMetadata(true, FrameworkPropertyMetadataOptions.AffectsRender));
}
///
/// Instantiates a new instance of a ButtonChrome with no parent element.
///
///
/// DependencyProperty for
public static readonly DependencyProperty FillProperty =
Shape.FillProperty.AddOwner(
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
null,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// The Fill property defines the brush used to fill the border region.
///
public Brush Fill
{
get { return (Brush) GetValue(FillProperty); }
set { SetValue(FillProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty BorderBrushProperty =
Border.BorderBrushProperty.AddOwner(
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
null,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// The BorderBrush property defines the brush used to fill the border region.
///
public Brush BorderBrush
{
get { return (Brush) GetValue(BorderBrushProperty); }
set { SetValue(BorderBrushProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty RenderDefaultedProperty =
DependencyProperty.Register("RenderDefaulted",
typeof(bool),
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
false,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// When true the chrome renders with a defaulted look.
///
public bool RenderDefaulted
{
get { return (bool) GetValue(RenderDefaultedProperty); }
set { SetValue(RenderDefaultedProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty RenderMouseOverProperty =
DependencyProperty.Register("RenderMouseOver",
typeof(bool),
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
false,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// When true the chrome renders with a mouse over look.
///
public bool RenderMouseOver
{
get { return (bool) GetValue(RenderMouseOverProperty); }
set { SetValue(RenderMouseOverProperty, value); }
}
///
/// DependencyProperty for
public static readonly DependencyProperty RenderPressedProperty =
DependencyProperty.Register("RenderPressed",
typeof(bool),
typeof(ButtonChrome),
new FrameworkPropertyMetadata(
false,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// When true the chrome renders with a pressed look.
///
public bool RenderPressed
{
get { return (bool) GetValue(RenderPressedProperty); }
set { SetValue(RenderPressedProperty, value); }
}
#endregion Dynamic Properties
#region Protected Methods
private const double sideThickness = 4.0;
private const double sideThickness2 = 2 * sideThickness;
///
/// Updates DesiredSize of the ButtonChrome. Called by parent UIElement. This is the first pass of layout.
///
///
/// ButtonChrome basically inflates the desired size of its one child by 4 on all four sides
///
/// Available size is an "upper limit" that the return value should not exceed.
/// The ButtonChrome's desired size.
protected override Size MeasureOverride(Size availableSize)
{
Size desired;
UIElement child = Child;
if (child != null)
{
Size childConstraint = new Size();
bool isWidthTooSmall = (availableSize.Width < sideThickness2);
bool isHeightTooSmall = (availableSize.Height < sideThickness2);
if (!isWidthTooSmall)
{
childConstraint.Width = availableSize.Width - sideThickness2;
}
if (!isHeightTooSmall)
{
childConstraint.Height = availableSize.Height - sideThickness2;
}
child.Measure(childConstraint);
desired = child.DesiredSize;
if (!isWidthTooSmall)
{
desired.Width += sideThickness2;
}
if (!isHeightTooSmall)
{
desired.Height += sideThickness2;
}
}
else
{
desired = new Size(Math.Min(sideThickness2, availableSize.Width), Math.Min(sideThickness2, availableSize.Height));
}
return desired;
}
///
/// ButtonChrome computes the position of its single child inside child's Margin and calls Arrange
/// on the child.
///
///
/// ButtonChrome basically inflates the desired size of its one child by 4 on all four sides
///
/// Size the ContentPresenter will assume.
protected override Size ArrangeOverride(Size finalSize)
{
Rect childArrangeRect = new Rect();
childArrangeRect.Width = Math.Max(0d, finalSize.Width - sideThickness2);
childArrangeRect.Height = Math.Max(0d, finalSize.Height - sideThickness2);
childArrangeRect.X = (finalSize.Width - childArrangeRect.Width) * 0.5;
childArrangeRect.Y = (finalSize.Height - childArrangeRect.Height) * 0.5;
UIElement child = Child;
if (child != null)
{
child.Arrange(childArrangeRect);
}
return finalSize;
}
private bool DrawBackground(DrawingContext dc, ref Rect bounds)
{
// draw actual background
Brush brush = Background;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, bounds, 3.0, 3.0);
}
if ((bounds.Width < 0.6) || (bounds.Height < 0.6))
{
// out of space; we're done
return true;
}
return false;
}
private void DrawShades(DrawingContext dc, ref Rect bounds)
{
// shades are inset an additional 0.3
bounds.Inflate(-0.3, -0.3);
// draw top shade
Brush brush = TopShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Left, bounds.Top, bounds.Width, 6.0), 3.0, 3.0);
}
// draw bottom shade
brush = BottomShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Left, bounds.Bottom - 6.0, bounds.Width, 6.0), 3.0, 3.0);
}
// draw left shade
brush = LeftShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Left, bounds.Top, 6.0, bounds.Height), 3.0, 3.0);
}
// draw right shade
brush = RightShade;
if (brush != null)
{
dc.DrawRoundedRectangle(brush, null, new Rect(bounds.Right - 6.0, bounds.Top, 6.0, bounds.Height), 3.0, 3.0);
}
// dones with shades; outset bounds
bounds.Inflate(0.3, 0.3);
}
private void DrawInnerHighlight(DrawingContext dc, ref Rect bounds)
{
// draw inner highlight
Pen pen = InnerHighlight;
if (pen != null && (bounds.Width >= (8.0 / 3.0)) && (bounds.Height >= (8.0 / 3.0)))
{
dc.DrawRoundedRectangle(
null,
pen,
new Rect(
bounds.Left + 4.0 / 3.0,
bounds.Top + 4.0 / 3.0,
bounds.Width - 8.0 / 3.0,
bounds.Height - 8.0 / 3.0),
2.0,
2.0);
}
}
private void DrawBorder(DrawingContext dc, ref Rect bounds)
{
// draw border
Pen borderPen = BorderPen;
if ((borderPen != null) && (bounds.Width >= 1.0) && (bounds.Height >= 1.0))
{
dc.DrawRoundedRectangle(
null,
borderPen,
new Rect(
bounds.Left + 0.5,
bounds.Top + 0.5,
bounds.Width - 1.0,
bounds.Height - 1.0),
2.0,
2.0);
}
}
///
/// Render callback.
/// Note: Assumes OuterHighlight.Thickness = 1pt and InnerHighlight.Thickness = 2pt
///
protected override void OnRender(DrawingContext drawingContext)
{
Rect bounds = new Rect(0, 0, ActualWidth, ActualHeight);
if (DrawBackground(drawingContext, ref bounds))
{
// Out of space, stop
return;
}
DrawShades(drawingContext, ref bounds);
DrawInnerHighlight(drawingContext, ref bounds);
DrawBorder(drawingContext, ref bounds);
}
#endregion
#region Private Properties
//
// This property
// 1. Finds the correct initial size for the _effectiveValues store on the current DependencyObject
// 2. This is a performance optimization
//
internal override int EffectiveValuesInitialSize
{
get { return 12; }
}
private static Pen CommonDisabledBorderPen
{
get
{
if (_commonDisabledBorderPen == null)
{
lock (_resourceAccess)
{
if (_commonDisabledBorderPen == null)
{
SolidColorBrush brush = new SolidColorBrush(Color.FromArgb(0xFF,0xC6,0xC5,0xC9));
Pen temp = new Pen(brush, 1);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonDisabledBorderPen = temp;
}
}
}
return _commonDisabledBorderPen;
}
}
private Pen BorderPen
{
get
{
if (!IsEnabled)
return CommonDisabledBorderPen;
Pen pen = null;
Brush brush = BorderBrush;
if (brush != null)
{
if (_commonBorderPen == null) // Common case, if non-null, avoid the lock
{
lock (_resourceAccess) // If non-null, lock to create the pen for thread safety
{
if (_commonBorderPen == null) // Check again in case _commonBorderPen was created within the last line
{
// Assume that the first render of Button uses the most common brush for the app.
// This breaks down if (a) the first Button is disabled, (b) the first Button is
// customized, or (c) ButtonChrome becomes more broadly used than just on Button.
//
// If these cons sufficiently weaken the effectiveness of this cache, then we need
// to build a larger brush-to-pen mapping cache.
// If the brush is not already frozen, we need to create our own
// copy. Otherwise we will inadvertently freeze the user's
// BorderBrush when we freeze the pen below.
if (!brush.IsFrozen && brush.CanFreeze)
{
brush = brush.Clone();
brush.Freeze();
}
Pen commonPen = new Pen(brush, 1);
if (commonPen.CanFreeze)
{
// Only save frozen pens, some brushes such as VisualBrush
// can not be frozen
commonPen.Freeze();
_commonBorderPen = commonPen;
}
}
}
}
if (_commonBorderPen != null && brush == _commonBorderPen.Brush)
{
pen = _commonBorderPen;
}
else
{
if (!brush.IsFrozen && brush.CanFreeze)
{
brush = brush.Clone();
brush.Freeze();
}
pen = new Pen(brush, 1);
if (pen.CanFreeze)
{
pen.Freeze();
}
}
}
return pen;
}
}
private static Pen CommonOuterHighlight
{
get
{
if (_commonOuterHighlight == null)
{
lock (_resourceAccess)
{
if (_commonOuterHighlight == null)
{
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new Point(0,0);
brush.EndPoint = new Point(0.4,1);
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0x20,0x00,0x00,0x00), 0));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0x80,0xFF,0xFF,0xFF), 1));
Pen temp = new Pen(brush, 1.3333333333);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonOuterHighlight = temp;
}
}
}
return _commonOuterHighlight;
}
}
private Pen OuterHighlight
{
get
{
if (!IsEnabled)
return null;
return CommonOuterHighlight;
}
}
private static Pen CommonDefaultedInnerHighlight
{
get
{
if (_commonDefaultedInnerHighlight == null)
{
lock (_resourceAccess)
{
if (_commonDefaultedInnerHighlight == null)
{
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new Point(0.5, 0);
brush.EndPoint = new Point(0.5, 1);
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xCE, 0xE7, 0xFF), 0));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xBC, 0xD4, 0xF6), 0.3));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0x89, 0xAD, 0xE4), 0.97));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0x69, 0x82, 0xEE), 1));
Pen temp = new Pen(brush, 2.6666666667);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonDefaultedInnerHighlight = temp;
}
}
}
return _commonDefaultedInnerHighlight;
}
}
private static Pen CommonHoverInnerHighlight
{
get
{
if (_commonHoverInnerHighlight == null)
{
lock (_resourceAccess)
{
if (_commonHoverInnerHighlight == null)
{
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new Point(0.5, 0);
brush.EndPoint = new Point(0.5, 1);
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFF, 0xF0, 0xCF), 0));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFC, 0xD2, 0x79), 0.03));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xF8, 0xB7, 0x3B), 0.75));
brush.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xE5, 0x97, 0x00), 1));
Pen temp = new Pen(brush, 2.6666666667);
temp.Freeze();
// Static field must not be set until the local has been frozen
_commonHoverInnerHighlight = temp;
}
}
}
return _commonHoverInnerHighlight;
}
}
private Pen InnerHighlight
{
get
{
if (!IsEnabled || RenderPressed)
{
return null;
}
if (RenderMouseOver)
{
return CommonHoverInnerHighlight;
}
if (RenderDefaulted)
{
return CommonDefaultedInnerHighlight;
}
return null;
}
}
private static LinearGradientBrush CommonBottomShade
{
get
{
if (_commonBottomShade == null)
{
lock (_resourceAccess)
{
if (_commonBottomShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5,0);
temp.EndPoint = new Point(0.5,1);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x35,0x59,0x2F,0x00), 1));
temp.Freeze();
_commonBottomShade = temp;
}
}
}
return _commonBottomShade;
}
}
private static LinearGradientBrush CommonPressedBottomShade
{
get
{
if (_commonPressedBottomShade == null)
{
lock (_resourceAccess)
{
if (_commonPressedBottomShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5, 0);
temp.EndPoint = new Point(0.5, 1);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00, 0xFF, 0xFF, 0xFF), 0.6));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF), 1));
temp.Freeze();
_commonPressedBottomShade = temp;
}
}
}
return _commonPressedBottomShade;
}
}
private LinearGradientBrush BottomShade
{
get
{
if (!IsEnabled)
return null;
if (RenderPressed)
return CommonPressedBottomShade;
return CommonBottomShade;
}
}
private static LinearGradientBrush CommonRightShade
{
get
{
if (_commonRightShade == null)
{
lock (_resourceAccess)
{
if (_commonRightShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0, 0.5);
temp.EndPoint = new Point(1, 0.5);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0xFF,0xFF,0xFF), 1));
temp.Freeze();
_commonRightShade = temp;
}
}
}
return _commonRightShade;
}
}
private LinearGradientBrush RightShade
{
get
{
if (!IsEnabled || RenderPressed)
return null;
return CommonRightShade;
}
}
private static LinearGradientBrush CommonPressedTopShade
{
get
{
if (_commonPressedTopShade == null)
{
lock (_resourceAccess)
{
if (_commonPressedTopShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5, 1);
temp.EndPoint = new Point(0.5, 0);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0x97,0x8B,0x72), 1));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.6));
temp.Freeze();
_commonPressedTopShade = temp;
}
}
}
return _commonPressedTopShade;
}
}
private LinearGradientBrush TopShade
{
get
{
if (!IsEnabled)
return null;
if (RenderPressed)
return CommonPressedTopShade;
return null;
}
}
private static LinearGradientBrush CommonLeftShade
{
get
{
if (_commonLeftShade == null)
{
lock (_resourceAccess)
{
if (_commonLeftShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(1, 0.5);
temp.EndPoint = new Point(0, 0.5);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0xFF,0xFF,0xFF), 1));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.5));
temp.Freeze();
_commonLeftShade = temp;
}
}
}
return _commonLeftShade;
}
}
private static LinearGradientBrush CommonPressedLeftShade
{
get
{
if (_commonPressedLeftShade == null)
{
lock (_resourceAccess)
{
if (_commonPressedLeftShade == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(1, 0.5);
temp.EndPoint = new Point(0, 0.5);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF,0xAA,0x9D,0x87), 1));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0x00,0xFF,0xFF,0xFF), 0.6));
temp.Freeze();
_commonPressedLeftShade = temp;
}
}
}
return _commonPressedLeftShade;
}
}
private LinearGradientBrush LeftShade
{
get
{
if (!IsEnabled)
return null;
if (RenderPressed)
return CommonPressedLeftShade;
return CommonLeftShade;
}
}
private static SolidColorBrush CommonDisabledFill
{
get
{
return Brushes.White;
}
}
private static LinearGradientBrush CommonPressedFill
{
get
{
if (_commonPressedFill == null)
{
lock (_resourceAccess)
{
if (_commonPressedFill == null)
{
LinearGradientBrush temp = new LinearGradientBrush();
temp.StartPoint = new Point(0.5, 1);
temp.EndPoint = new Point(0.5, 0);
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF), 0));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xE3, 0xEB, 0xF3), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xD0, 0xDC, 0xEB), 0.5));
temp.GradientStops.Add(new GradientStop(Color.FromArgb(0xFF, 0xA6, 0xB8, 0xCF), 1));
temp.Freeze();
_commonPressedFill = temp;
}
}
}
return _commonPressedFill;
}
}
private Brush Background
{
get
{
if (!IsEnabled)
return CommonDisabledFill;
if (RenderPressed)
return CommonPressedFill;
return Fill;
}
}
private static Pen _commonBorderPen;
private static Pen _commonDisabledBorderPen;
private static Pen _commonOuterHighlight;
private static LinearGradientBrush _commonBottomShade;
private static LinearGradientBrush _commonRightShade;
private static LinearGradientBrush _commonLeftShade;
private static Pen _commonDefaultedInnerHighlight;
private static Pen _commonHoverInnerHighlight;
private static LinearGradientBrush _commonPressedBottomShade;
private static LinearGradientBrush _commonPressedTopShade;
private static LinearGradientBrush _commonPressedLeftShade;
private static LinearGradientBrush _commonPressedFill;
private static object _resourceAccess = new object();
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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- DesignerCalendarAdapter.cs
- KnownTypeAttribute.cs
- CryptoHandle.cs
- XmlSchemaAll.cs
- FixedPageProcessor.cs
- CryptoHelper.cs
- PackageRelationshipSelector.cs
- EntityReference.cs
- EvidenceTypeDescriptor.cs
- DataStreams.cs
- ObjectDataSourceDesigner.cs
- SmiEventSink_DeferedProcessing.cs
- UnsupportedPolicyOptionsException.cs
- LinkUtilities.cs
- BitmapEffectGeneralTransform.cs
- Task.cs
- HttpHeaderCollection.cs
- SchemaTypeEmitter.cs
- LexicalChunk.cs
- RequestQueue.cs
- PassportAuthentication.cs
- Guid.cs
- ValidationRuleCollection.cs
- DelegateSerializationHolder.cs
- Restrictions.cs
- DateTime.cs
- TrackBarRenderer.cs
- RectAnimationUsingKeyFrames.cs
- SymbolType.cs
- RuleSet.cs
- Keyboard.cs
- InheritanceRules.cs
- XmlSchemaComplexContentExtension.cs
- RsaSecurityKey.cs
- WebException.cs
- EventMappingSettingsCollection.cs
- DefaultValueAttribute.cs
- SemaphoreSecurity.cs
- OdbcFactory.cs
- CodeObjectCreateExpression.cs
- AccessDataSourceView.cs
- ZipPackagePart.cs
- AuditLogLocation.cs
- LookupBindingPropertiesAttribute.cs
- EntityCommandCompilationException.cs
- DataListComponentEditor.cs
- ColorTranslator.cs
- SBCSCodePageEncoding.cs
- iisPickupDirectory.cs
- XmlParserContext.cs
- InkSerializer.cs
- smtppermission.cs
- OutOfMemoryException.cs
- IndentedWriter.cs
- DataTableMappingCollection.cs
- AutoResizedEvent.cs
- StatusInfoItem.cs
- EntityDesignerDataSourceView.cs
- SqlConnectionHelper.cs
- ClientUtils.cs
- Single.cs
- ChtmlTextWriter.cs
- PropertyItem.cs
- SharedHttpTransportManager.cs
- EncoderParameters.cs
- SQLInt16.cs
- DataServices.cs
- InstanceKey.cs
- EdmItemCollection.cs
- Page.cs
- NavigationPropertyEmitter.cs
- DocumentPageViewAutomationPeer.cs
- MultiTrigger.cs
- CodeArrayIndexerExpression.cs
- TableCellCollection.cs
- ReferenceSchema.cs
- XamlTypeMapper.cs
- Stylesheet.cs
- LayoutEngine.cs
- CodeAttributeDeclarationCollection.cs
- RegexRunnerFactory.cs
- DataGridState.cs
- Site.cs
- itemelement.cs
- CodeTypeParameterCollection.cs
- BindUriHelper.cs
- ConnectionStringSettings.cs
- WebResourceUtil.cs
- LayoutInformation.cs
- Normalization.cs
- BaseParaClient.cs
- Model3DGroup.cs
- SoapInteropTypes.cs
- FilterQuery.cs
- DataGridHelper.cs
- Registry.cs
- RootDesignerSerializerAttribute.cs
- RegularExpressionValidator.cs
- PropertyEmitter.cs
- MatrixCamera.cs