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Cleaned and formatted

pull/30/head
David Hall 2019-01-11 19:59:43 -07:00
parent eae5d23af2
commit 0387c8b30e
1 changed files with 50 additions and 104 deletions
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154
WIndows.Forms/Extenders/GlassExtenderProvider.cs
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@ -7,9 +7,7 @@ using Vanara.Extensions;
namespace Vanara.Windows.Forms
{
/// <summary>
/// GlassExtenderProvider extends a <see cref="System.Windows.Forms.Form"/> and provides glass margins.
/// </summary>
/// <summary>GlassExtenderProvider extends a <see cref="Form"/> and provides glass margins.</summary>
[ProvideProperty("GlassEnabled", typeof(Form))]
[ProvideProperty("GlassMarginMovesForm", typeof(Form))]
[ProvideProperty("GlassMargins", typeof(Form))]
@ -19,112 +17,54 @@ namespace Vanara.Windows.Forms
{
private readonly Dictionary<Form, GlassFormProperties> formProps = new Dictionary<Form, GlassFormProperties>();
/// <summary>
/// Properties for each form that is extended.
/// </summary>
private class GlassFormProperties
{
public Point FormMoveLastMousePos = Point.Empty;
public bool FormMoveTracking = false;
public bool GlassEnabled = true;
public Padding GlassMargins = Padding.Empty;
public bool GlassMarginMovesForm = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="GlassExtenderProvider"/> class.
/// </summary>
/// <summary>Initializes a new instance of the <see cref="GlassExtenderProvider"/> class.</summary>
public GlassExtenderProvider()
{
}
/// <summary>
/// Gets whether glass should be extended into the client space.
/// </summary>
/// <param name="form">The <see cref="System.Windows.Forms.Form"/> to be extended.</param>
/// <summary>Gets whether glass should be extended into the client space.</summary>
/// <param name="form">The <see cref="Form"/> to be extended.</param>
/// <returns><c>true</c> if the glass is enabled; otherwise <c>false</c>.</returns>
[DisplayName("GlassEnabled")]
[DefaultValue(true)]
[Category("Behavior")]
[Description("Indicates whether extending glass into the client area is enabled.")]
public bool GetGlassEnabled(Form form)
{
GlassFormProperties prop;
if (formProps.TryGetValue(form, out prop))
return prop.GlassEnabled;
return true;
}
public bool GetGlassEnabled(Form form) => formProps.TryGetValue(form, out var prop) ? prop.GlassEnabled : true;
/// <summary>
/// Gets a value indicating whether clicking and dragging within the top margin will move the form.
/// </summary>
/// <param name="form">The <see cref="System.Windows.Forms.Form"/> to be extended.</param>
/// <summary>Gets a value indicating whether clicking and dragging within the top margin will move the form.</summary>
/// <param name="form">The <see cref="Form"/> to be extended.</param>
/// <returns><c>true</c> if clicking and dragging on the top margin moves the form; otherwise, <c>false</c>.</returns>
[DisplayName("GlassMarginMovesForm")]
[DefaultValue(true)]
[Category("Behavior")]
[Description("Specifies if clicking and dragging within the margin will move the form. ")]
public bool GetGlassMarginMovesForm(Form form)
{
GlassFormProperties prop;
if (formProps.TryGetValue(form, out prop))
return prop.GlassMarginMovesForm;
return true;
}
public bool GetGlassMarginMovesForm(Form form) => formProps.TryGetValue(form, out var prop) ? prop.GlassMarginMovesForm : true;
/// <summary>
/// Gets the glass margins.
/// </summary>
/// <param name="form">The <see cref="System.Windows.Forms.Form"/> to be extended.</param>
/// <summary>Gets the glass margins.</summary>
/// <param name="form">The <see cref="Form"/> to be extended.</param>
/// <returns>The margins where the glass will be extended.</returns>
[DefaultValue(typeof(Padding), "0")]
[DisplayName("GlassMargins")]
[Description("Specifies the interior glass margin of the form. Set to -1 for full window glass.")]
[Category("Layout")]
public Padding GetGlassMargins(Form form)
{
GlassFormProperties prop;
if (formProps.TryGetValue(form, out prop))
return prop.GlassMargins;
return Padding.Empty;
}
public Padding GetGlassMargins(Form form) => formProps.TryGetValue(form, out var prop) ? prop.GlassMargins : Padding.Empty;
/// <summary>
/// Specifies whether this object can provide its extender properties to the specified object.
/// </summary>
/// <param name="form">The <see cref="T:System.Object"/> to receive the extender properties.</param>
/// <returns>
/// true if this object can provide extender properties to the specified object; otherwise, false.
/// </returns>
bool IExtenderProvider.CanExtend(object form) => (form != this) && (form is Form);
/// <summary>
/// Set whether the glass should be extended into the client space.
/// </summary>
/// <param name="form">The <see cref="System.Windows.Forms.Form"/> to be extended.</param>
/// <summary>Set whether the glass should be extended into the client space.</summary>
/// <param name="form">The <see cref="Form"/> to be extended.</param>
/// <param name="value">The enabled value.</param>
public void SetGlassEnabled(Form form, bool value)
{
var prop = GetFormProperties(form);
prop.GlassEnabled = value;
GetFormProperties(form).GlassEnabled = value;
GlassifyForm(form);
}
/// <summary>
/// Sets a value indicating whether clicking and dragging within the margin will move the form.
/// </summary>
/// <param name="form">The <see cref="System.Windows.Forms.Form"/> to be extended.</param>
/// <summary>Sets a value indicating whether clicking and dragging within the margin will move the form.</summary>
/// <param name="form">The <see cref="Form"/> to be extended.</param>
/// <param name="value"><c>true</c> if clicking and dragging within the margin moves the form; otherwise, <c>false</c>.</param>
public void SetGlassMarginMovesForm(Form form, bool value)
{
var prop = GetFormProperties(form);
prop.GlassMarginMovesForm = value;
}
public void SetGlassMarginMovesForm(Form form, bool value) => GetFormProperties(form).GlassMarginMovesForm = value;
/// <summary>
/// Sets the glass margins.
/// </summary>
/// <param name="form">The <see cref="System.Windows.Forms.Form"/> to be extended.</param>
/// <summary>Sets the glass margins.</summary>
/// <param name="form">The <see cref="Form"/> to be extended.</param>
/// <param name="value">The margins where the glass will be extended.</param>
public void SetGlassMargins(Form form, Padding value)
{
@ -153,6 +93,11 @@ namespace Vanara.Windows.Forms
form.Invalidate();
}
/// <summary>Specifies whether this object can provide its extender properties to the specified object.</summary>
/// <param name="form">The <see cref="T:System.Object"/> to receive the extender properties.</param>
/// <returns>true if this object can provide extender properties to the specified object; otherwise, false.</returns>
bool IExtenderProvider.CanExtend(object form) => !ReferenceEquals(form, this) && form is Form;
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.ComponentModel.Component"/> and optionally releases the managed resources.
/// </summary>
@ -161,7 +106,7 @@ namespace Vanara.Windows.Forms
{
if (disposing)
{
foreach (Form form in formProps.Keys)
foreach (var form in formProps.Keys)
{
if (!form.IsDisposed)
{
@ -172,6 +117,14 @@ namespace Vanara.Windows.Forms
base.Dispose(disposing);
}
private static Rectangle GetNonGlassArea(Form form, GlassFormProperties prop)
{
if (prop == null)
return form.ClientRectangle;
return new Rectangle(form.ClientRectangle.Left + prop.GlassMargins.Left, form.ClientRectangle.Top + prop.GlassMargins.Top,
form.ClientRectangle.Width - prop.GlassMargins.Horizontal, form.ClientRectangle.Height - prop.GlassMargins.Vertical);
}
private void form_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
@ -207,53 +160,36 @@ namespace Vanara.Windows.Forms
{
if (e.Button == MouseButtons.Left)
{
var prop = GetFormProperties(sender as Form);
prop.FormMoveTracking = false;
GetFormProperties(sender as Form).FormMoveTracking = false;
}
}
private void form_Paint(object sender, PaintEventArgs e)
{
GlassifyForm(sender as Form, e.Graphics);
}
private void form_Paint(object sender, PaintEventArgs e) => GlassifyForm(sender as Form, e.Graphics);
private void form_Resize(object sender, EventArgs e)
{
var form = sender as Form;
if ((DesktopWindowManager.CompositionEnabled && GetGlassEnabled(form)) || form.IsDesignMode())
if (DesktopWindowManager.CompositionEnabled && GetGlassEnabled(form) || form.IsDesignMode())
InvalidateNonGlassClientArea(form);
}
private void form_Shown(object sender, EventArgs e)
{
GlassifyForm(sender as Form);
}
private void form_Shown(object sender, EventArgs e) => GlassifyForm(sender as Form);
private GlassFormProperties GetFormProperties(Form form)
{
GlassFormProperties prop;
if (!formProps.TryGetValue(form, out prop))
if (!formProps.TryGetValue(form, out var prop))
formProps.Add(form, prop = new GlassFormProperties());
return prop;
}
private static Rectangle GetNonGlassArea(Form form, GlassFormProperties prop)
{
if (prop == null)
return form.ClientRectangle;
return new Rectangle(form.ClientRectangle.Left + prop.GlassMargins.Left, form.ClientRectangle.Top + prop.GlassMargins.Top,
form.ClientRectangle.Width - prop.GlassMargins.Horizontal, form.ClientRectangle.Height - prop.GlassMargins.Vertical);
}
private void GlassifyForm(Form form, Graphics g = null)
{
if (!(DesktopWindowManager.CompositionEnabled && GetGlassEnabled(form)) && !form.IsDesignMode())
return;
if (g == null) g = form.CreateGraphics();
if (g is null) g = form.CreateGraphics();
GlassFormProperties prop;
if (!formProps.TryGetValue(form, out prop))
if (!formProps.TryGetValue(form, out var prop))
return;
// Paint the glass effect.
@ -292,5 +228,15 @@ namespace Vanara.Windows.Forms
form.Resize -= form_Resize;
form.Paint -= form_Paint;
}
/// <summary>Properties for each form that is extended.</summary>
private class GlassFormProperties
{
public Point FormMoveLastMousePos = Point.Empty;
public bool FormMoveTracking = false;
public bool GlassEnabled = true;
public bool GlassMarginMovesForm = true;
public Padding GlassMargins = Padding.Empty;
}
}
}