准备编写「WindowBorder」控件
This commit is contained in:
zengwenjie
@@ -58,4 +58,17 @@
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</Setter.Value>
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</Setter.Value>
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</Setter>
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</Setter>
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</Style>
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</Style>
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<Style TargetType="{x:Type local:WindowBorder}">
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type local:WindowBorder}">
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<Border Background="{TemplateBinding Background}"
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BorderBrush="{TemplateBinding BorderBrush}"
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BorderThickness="{TemplateBinding BorderThickness}">
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</Border>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
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</ResourceDictionary>
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</ResourceDictionary>
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258
DeedyDesigner/Deedy.Wpf/WindowBorder.cs
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258
DeedyDesigner/Deedy.Wpf/WindowBorder.cs
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@@ -0,0 +1,258 @@
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using System.ComponentModel;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Markup;
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using System.Windows.Media;
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using Shell = System.Windows.Shell;
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namespace Deedy
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{
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/// <summary>
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/// 为自定义窗口提供标题栏与内容容器；可以作为一个窗口的直接子节点
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/// </summary>
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[ContentProperty("Content")]
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[TemplatePart(Name = "MainMenu", Type = typeof(Menu))]
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[TemplatePart(Name = "Minimize", Type = typeof(Button))]
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[TemplatePart(Name = "Maximize", Type = typeof(Button))]
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[TemplatePart(Name = "CloseWin", Type = typeof(Button))]
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[TemplatePart(Name = "TitleBar", Type = typeof(Control))]
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[TemplatePart(Name = "Controller", Type = typeof(Panel))]
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[TemplatePart(Name = "Container", Type = typeof(Decorator))]
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public class WindowBorder : HeaderedContentControl
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{
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static WindowBorder()
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{
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DefaultStyleKeyProperty.OverrideMetadata(typeof(WindowBorder), new FrameworkPropertyMetadata(typeof(WindowBorder)));
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BackgroundProperty.OverrideMetadata(typeof(WindowBorder), new FrameworkPropertyMetadata(Brushes.Gray));
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}
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/// <summary>
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/// 悬停画刷
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/// </summary>
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public Brush HoverBrush
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{
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get { return (Brush)GetValue(HoverBrushProperty); }
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set { SetValue(HoverBrushProperty, value); }
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}
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public static readonly DependencyProperty HoverBrushProperty =
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DependencyProperty.Register("HoverBrush", typeof(Brush), typeof(WindowBorder), new PropertyMetadata(Brushes.Silver));
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/// <summary>
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/// 标题画刷
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/// </summary>
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public Brush Headground
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{
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get { return (Brush)GetValue(HeadgroundProperty); }
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set { SetValue(HeadgroundProperty, value); }
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}
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public static readonly DependencyProperty HeadgroundProperty =
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DependencyProperty.Register("Headground", typeof(Brush), typeof(WindowBorder), new PropertyMetadata(Brushes.DimGray));
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/// <summary>
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/// 标题高度
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/// </summary>
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public double HeaderHeight
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{
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get { return (double)GetValue(HeaderHeightProperty); }
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set { SetValue(HeaderHeightProperty, value); }
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}
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public static readonly DependencyProperty HeaderHeightProperty =
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DependencyProperty.Register("HeaderHeight", typeof(double), typeof(WindowBorder), new PropertyMetadata(40.0,
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(d, e) => (d as WindowBorder)?.HeaderHeight_PropertyChangedCallback(e)));
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/// <summary>
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/// 处理「WindowBorder.HeaderHeight」属性变更
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/// </summary>
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protected virtual void HeaderHeight_PropertyChangedCallback(DependencyPropertyChangedEventArgs e)
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{
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if ((double)e.NewValue < 32) this.HeaderHeight = 32;
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}
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/// <summary>
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/// 菜单
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/// </summary>
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public MenuItem Menu
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{
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get { return (MenuItem)GetValue(MenuProperty); }
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set { SetValue(MenuProperty, value); }
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}
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public static readonly DependencyProperty MenuProperty =
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DependencyProperty.Register("Menu", typeof(MenuItem), typeof(WindowBorder), new PropertyMetadata(null,
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(d, e) => (d as WindowBorder)?.Menu_PropertyChangedCallback(e)));
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/// <summary>
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/// 处理「WindowBorder.Menu」属性变更
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/// </summary>
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protected virtual void Menu_PropertyChangedCallback(DependencyPropertyChangedEventArgs e)
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{
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if (this.MainMenu != null)
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{
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this.MainMenu.Items.Clear();
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if (e.NewValue is MenuItem menu)
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{
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menu.Height = this.HeaderHeight;
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menu.Background = Brushes.Transparent;
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this.MainMenu.Items.Add(menu);
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}
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}
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}
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private Panel? Controller;
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private Decorator? Container;
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private Button? Minimize;
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private Button? Maximize;
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private Button? CloseWin;
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private Menu? MainMenu;
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private Control? TitleBar;
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private Window? Target;
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private Shell.WindowChrome? Chrome;
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private static bool IsNeedOverrideMetadata = true;
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public WindowBorder() { }
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public void OnAttached()
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{
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FrameworkElement? parent = this.Parent as FrameworkElement;
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Window? target = parent as Window;
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while (parent != null && target == null)
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{
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parent = parent.Parent as FrameworkElement;
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target = parent as Window;
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}
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//这是第【1】步
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if (target == null && !DesignerProperties.GetIsInDesignMode(this)) throw new ArgumentNullException("窗体装饰器[WindowDecorator]对象不可以附加到一个空的Window对象上！");
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this.Target = target;
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if (this.Target == null) return;
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this.Target.StateChanged += Target_StateChanged;
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this.Target.Loaded += Target_Loaded;
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if (IsNeedOverrideMetadata)
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{
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Window.WindowStyleProperty.OverrideMetadata(this.Target.GetType(), new FrameworkPropertyMetadata((d, e) => this.AdjustVisual()));
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Window.ResizeModeProperty.OverrideMetadata(this.Target.GetType(), new FrameworkPropertyMetadata((d, e) => this.AdjustVisual()));
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IsNeedOverrideMetadata = false;
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}
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}
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public override void OnApplyTemplate()
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{
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this.OnDetaching();
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base.OnApplyTemplate();
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this.OnAttached();
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//这是第【2】步
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this.Controller = GetTemplateChild("Controller") as Panel;
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this.Container = GetTemplateChild("Container") as Decorator;
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this.Minimize = GetTemplateChild("Minimize") as Button;
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this.Maximize = GetTemplateChild("Maximize") as Button;
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this.CloseWin = GetTemplateChild("CloseWin") as Button;
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this.TitleBar = GetTemplateChild("TitleBar") as Control;
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this.MainMenu = GetTemplateChild("MainMenu") as Menu;
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if (this.MainMenu != null)
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{
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this.MainMenu.Items.Clear();
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if (this.Menu != null)
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{
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this.Menu.Height = this.Height;
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this.Menu.Background = Brushes.Transparent;
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this.MainMenu.Items.Add(this.Menu);
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}
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}
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}
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private void Target_Loaded(object sender, RoutedEventArgs e)
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{
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if (this.Background == BackgroundProperty.DefaultMetadata.DefaultValue) this.SetBinding(BackgroundProperty, new Binding() { Source = this.Target, Path = new PropertyPath(BackgroundProperty.Name) });
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if (this.BorderBrush == BorderBrushProperty.DefaultMetadata.DefaultValue) this.SetBinding(BorderBrushProperty, new Binding() { Source = this.Target, Path = new PropertyPath(BorderBrushProperty.Name) });
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//这是第【3】步
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this.Chrome = new Shell.WindowChrome() { CaptionHeight = this.HeaderHeight };
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Shell.WindowChrome.SetWindowChrome(this.Target, this.Chrome);
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Shell.WindowChrome.SetIsHitTestVisibleInChrome(this.Container, true);
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Shell.WindowChrome.SetIsHitTestVisibleInChrome(this.Controller, true);
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if (this.Controller != null)
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{
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foreach (var c in this.Controller.Children)
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{
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if (c is Button button) button.AddHandler(Button.ClickEvent, new RoutedEventHandler(this.CommandButton_Click));
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}
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}
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if (this.Menu != null) this.Menu.Height = this.HeaderHeight;
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this.AdjustVisual();
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this.AdjustMargin();
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}
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public void OnDetaching()
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{
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if (this.Target != null)
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{
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this.Target.StateChanged -= this.Target_StateChanged;
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this.Target.Loaded -= this.Target_Loaded;
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}
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}
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private void AdjustVisual()
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{
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if (this.Target != null)
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{
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this.Visibility = Visibility.Visible;
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if (this.Controller != null) this.Controller.Visibility = Visibility.Visible;
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if (this.Minimize != null) this.Minimize.Visibility = Visibility.Visible;
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if (this.Maximize != null) this.Maximize.Visibility = Visibility.Visible;
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if (this.CloseWin != null) this.CloseWin.Visibility = Visibility.Visible;
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if (this.TitleBar != null) this.TitleBar.Visibility = Visibility.Visible;
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if (this.Target.ResizeMode == ResizeMode.NoResize)
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{
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if (this.Minimize != null) this.Minimize.Visibility = Visibility.Collapsed;
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if (this.Maximize != null) this.Maximize.Visibility = Visibility.Collapsed;
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}
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if (this.Target.ResizeMode == ResizeMode.CanMinimize)
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{
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if (this.Maximize != null) this.Maximize.Visibility = Visibility.Collapsed;
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}
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if (this.Target.WindowStyle == WindowStyle.None)
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{
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if (this.TitleBar != null) this.TitleBar.Visibility = Visibility.Collapsed;
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}
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if (this.Target.WindowStyle == WindowStyle.ToolWindow)
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{
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if (this.Controller != null) this.Controller.Visibility = Visibility.Collapsed;
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}
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}
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}
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private void AdjustMargin()
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{
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if (this.Target != null)
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{
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var winContent = this.Target.Content as FrameworkElement;
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if (winContent == null) return;
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if (this.Target.WindowState == WindowState.Maximized)
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winContent.Margin = new Thickness(8);
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else winContent.Margin = new Thickness(0);
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}
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}
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private void Target_StateChanged(object? sender, EventArgs e)
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{
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this.AdjustMargin();
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}
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private void CommandButton_Click(object sender, RoutedEventArgs e)
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{
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Button? button = sender as Button;
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if (button != null)
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{
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switch (button.Name)
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{
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case "Minimize":
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if (this.Target != null) this.Target.WindowState = WindowState.Minimized;
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break;
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case "Maximize":
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{
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if (this.Target != null)
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{
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if (this.Target.WindowState == WindowState.Maximized || this.Target.WindowState == WindowState.Minimized)
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this.Target.WindowState = WindowState.Normal;
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else this.Target.WindowState = WindowState.Maximized;
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}
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}
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break;
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case "CloseWin":
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this.Target?.Close();
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break;
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default:
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break;
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}
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}
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}
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}
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}
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@@ -8,6 +8,9 @@ using Shell = System.Windows.Shell;
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namespace Deedy
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namespace Deedy
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{
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{
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/// <summary>
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/// 为自定义窗口提供标题栏
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/// </summary>
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[ContentProperty("Header")]
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[ContentProperty("Header")]
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[TemplatePart(Name = "MainMenu", Type = typeof(Menu))]
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[TemplatePart(Name = "MainMenu", Type = typeof(Menu))]
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[TemplatePart(Name = "Minimize", Type = typeof(Button))]
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[TemplatePart(Name = "Minimize", Type = typeof(Button))]
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Reference in New Issue
Block a user