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@ -32,469 +32,487 @@ using Xceed.Wpf.AvalonDock.Themes; |
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namespace Xceed.Wpf.AvalonDock.Controls |
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{ |
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public abstract class LayoutFloatingWindowControl : Window, ILayoutControl |
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{ |
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static LayoutFloatingWindowControl() |
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{ |
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LayoutFloatingWindowControl.ContentProperty.OverrideMetadata(typeof(LayoutFloatingWindowControl), new FrameworkPropertyMetadata(null, null, new CoerceValueCallback(CoerceContentValue))); |
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AllowsTransparencyProperty.OverrideMetadata(typeof(LayoutFloatingWindowControl), new FrameworkPropertyMetadata(false)); |
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ShowInTaskbarProperty.OverrideMetadata(typeof(LayoutFloatingWindowControl), new FrameworkPropertyMetadata(false)); |
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} |
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static object CoerceContentValue(DependencyObject sender, object content) |
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{ |
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return new FloatingWindowContentHost(sender as LayoutFloatingWindowControl) { Content = content as UIElement }; |
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} |
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protected class FloatingWindowContentHost : HwndHost |
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{ |
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LayoutFloatingWindowControl _owner; |
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public FloatingWindowContentHost(LayoutFloatingWindowControl owner) |
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{ |
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_owner = owner; |
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var manager = _owner.Model.Root.Manager; |
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} |
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HwndSource _wpfContentHost = null; |
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Border _rootPresenter = null; |
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DockingManager _manager = null; |
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protected override System.Runtime.InteropServices.HandleRef BuildWindowCore(System.Runtime.InteropServices.HandleRef hwndParent) |
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{ |
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_wpfContentHost = new HwndSource(new HwndSourceParameters() |
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{ |
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ParentWindow = hwndParent.Handle, |
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WindowStyle = Win32Helper.WS_CHILD | Win32Helper.WS_VISIBLE | Win32Helper.WS_CLIPSIBLINGS | Win32Helper.WS_CLIPCHILDREN, |
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Width = 1, |
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Height = 1 |
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}); |
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_rootPresenter = new Border() { Child = new AdornerDecorator() { Child = Content }, Focusable = true }; |
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_rootPresenter.SetBinding(Border.BackgroundProperty, new Binding("Background") { Source = _owner }); |
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_wpfContentHost.RootVisual = _rootPresenter; |
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_wpfContentHost.SizeToContent = SizeToContent.Manual; |
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_manager = _owner.Model.Root.Manager; |
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_manager.InternalAddLogicalChild(_rootPresenter); |
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return new HandleRef(this, _wpfContentHost.Handle); |
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} |
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protected override void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e) |
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{ |
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Trace.WriteLine("FloatingWindowContentHost.GotKeyboardFocus"); |
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base.OnGotKeyboardFocus(e); |
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} |
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protected override void DestroyWindowCore(HandleRef hwnd) |
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{ |
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_manager.InternalRemoveLogicalChild(_rootPresenter); |
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if (_wpfContentHost != null) |
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{ |
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_wpfContentHost.Dispose(); |
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_wpfContentHost = null; |
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} |
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} |
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protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) |
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{ |
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switch (msg) |
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{ |
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case Win32Helper.WM_SETFOCUS: |
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Trace.WriteLine("FloatingWindowContentHost.WM_SETFOCUS"); |
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break; |
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case Win32Helper.WM_KILLFOCUS: |
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Trace.WriteLine("FloatingWindowContentHost.WM_KILLFOCUS"); |
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break; |
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} |
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return base.WndProc(hwnd, msg, wParam, lParam, ref handled); |
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} |
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public Visual RootVisual |
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{ |
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get { return _rootPresenter; } |
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} |
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protected override Size MeasureOverride(Size constraint) |
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{ |
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if (Content == null) |
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return base.MeasureOverride(constraint); |
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Content.Measure(constraint); |
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return Content.DesiredSize; |
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} |
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#region Content
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/// <summary>
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/// Content Dependency Property
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/// </summary>
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public static readonly DependencyProperty ContentProperty = |
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DependencyProperty.Register("Content", typeof(UIElement), typeof(FloatingWindowContentHost), |
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new FrameworkPropertyMetadata((UIElement)null, |
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new PropertyChangedCallback(OnContentChanged))); |
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/// <summary>
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/// Gets or sets the Content property. This dependency property
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/// indicates ....
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/// </summary>
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public UIElement Content |
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{ |
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get { return (UIElement)GetValue(ContentProperty); } |
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set { SetValue(ContentProperty, value); } |
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} |
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/// <summary>
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/// Handles changes to the Content property.
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/// </summary>
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private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) |
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{ |
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((FloatingWindowContentHost)d).OnContentChanged(e); |
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} |
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/// <summary>
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/// Provides derived classes an opportunity to handle changes to the Content property.
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/// </summary>
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protected virtual void OnContentChanged(DependencyPropertyChangedEventArgs e) |
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{ |
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if (_rootPresenter != null) |
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_rootPresenter.Child = Content; |
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} |
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#endregion
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} |
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ILayoutElement _model; |
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protected LayoutFloatingWindowControl(ILayoutElement model) |
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{ |
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this.Loaded += new RoutedEventHandler(OnLoaded); |
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this.Unloaded += new RoutedEventHandler(OnUnloaded); |
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_model = model; |
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UpdateThemeResources(); |
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} |
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internal virtual void UpdateThemeResources(Theme oldTheme = null) |
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{ |
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if (oldTheme != null) |
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{ |
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var resourceDictionaryToRemove = |
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Resources.MergedDictionaries.FirstOrDefault(r => r.Source == oldTheme.GetResourceUri()); |
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if (resourceDictionaryToRemove != null) |
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Resources.MergedDictionaries.Remove( |
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resourceDictionaryToRemove); |
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} |
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var manager = _model.Root.Manager; |
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if (manager.Theme != null) |
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{ |
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Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = manager.Theme.GetResourceUri() }); |
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} |
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} |
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protected override void OnClosed(EventArgs e) |
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{ |
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if (Content != null) |
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{ |
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var host = Content as FloatingWindowContentHost; |
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host.Dispose(); |
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if (_hwndSrc != null) |
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{ |
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_hwndSrc.RemoveHook(_hwndSrcHook); |
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_hwndSrc.Dispose(); |
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_hwndSrc = null; |
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} |
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} |
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base.OnClosed(e); |
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} |
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bool _attachDrag = false; |
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internal void AttachDrag(bool onActivated = true) |
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{ |
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if (onActivated) |
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{ |
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_attachDrag = true; |
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this.Activated += new EventHandler(OnActivated); |
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} |
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else |
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{ |
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IntPtr windowHandle = new WindowInteropHelper(this).Handle; |
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IntPtr lParam = new IntPtr(((int)Left & (int)0xFFFF) | (((int)Top) << 16)); |
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Win32Helper.SendMessage(windowHandle, Win32Helper.WM_NCLBUTTONDOWN, new IntPtr(Win32Helper.HT_CAPTION), lParam); |
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} |
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} |
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HwndSource _hwndSrc; |
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HwndSourceHook _hwndSrcHook; |
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void OnLoaded(object sender, RoutedEventArgs e) |
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{ |
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this.Loaded -= new RoutedEventHandler(OnLoaded); |
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this.SetParentToMainWindowOf(Model.Root.Manager); |
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_hwndSrc = HwndSource.FromDependencyObject(this) as HwndSource; |
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_hwndSrcHook = new HwndSourceHook(FilterMessage); |
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_hwndSrc.AddHook(_hwndSrcHook); |
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} |
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void OnUnloaded(object sender, RoutedEventArgs e) |
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{ |
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this.Unloaded -= new RoutedEventHandler(OnUnloaded); |
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if (_hwndSrc != null) |
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{ |
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_hwndSrc.RemoveHook(_hwndSrcHook); |
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_hwndSrc.Dispose(); |
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_hwndSrc = null; |
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} |
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} |
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void OnActivated(object sender, EventArgs e) |
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{ |
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this.Activated -= new EventHandler(OnActivated); |
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if (_attachDrag && Mouse.LeftButton == MouseButtonState.Pressed) |
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{ |
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IntPtr windowHandle = new WindowInteropHelper(this).Handle; |
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var mousePosition = this.PointToScreenDPI(Mouse.GetPosition(this)); |
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var clientArea = Win32Helper.GetClientRect(windowHandle); |
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var windowArea = Win32Helper.GetWindowRect(windowHandle); |
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Left = mousePosition.X - windowArea.Width / 2.0; |
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Top = mousePosition.Y - (windowArea.Height - clientArea.Height) / 2.0; |
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_attachDrag = false; |
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IntPtr lParam = new IntPtr(((int)mousePosition.X & (int)0xFFFF) | (((int)mousePosition.Y) << 16)); |
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Win32Helper.SendMessage(windowHandle, Win32Helper.WM_NCLBUTTONDOWN, new IntPtr(Win32Helper.HT_CAPTION), lParam); |
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} |
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} |
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protected override void OnInitialized(EventArgs e) |
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{ |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.CloseWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.CloseWindow((Window)args.Parameter)))); |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.MaximizeWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.MaximizeWindow((Window)args.Parameter)))); |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.MinimizeWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.MinimizeWindow((Window)args.Parameter)))); |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.RestoreWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.RestoreWindow((Window)args.Parameter)))); |
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//Debug.Assert(this.Owner != null);
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base.OnInitialized(e); |
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} |
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public abstract ILayoutElement Model { get; } |
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#region IsDragging
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/// <summary>
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/// IsDragging Read-Only Dependency Property
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/// </summary>
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private static readonly DependencyPropertyKey IsDraggingPropertyKey |
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= DependencyProperty.RegisterReadOnly("IsDragging", typeof(bool), typeof(LayoutFloatingWindowControl), |
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new FrameworkPropertyMetadata((bool)false, |
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new PropertyChangedCallback(OnIsDraggingChanged))); |
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public static readonly DependencyProperty IsDraggingProperty |
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= IsDraggingPropertyKey.DependencyProperty; |
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/// <summary>
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/// Gets the IsDragging property. This dependency property
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/// indicates that this floating window is being dragged.
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/// </summary>
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public bool IsDragging |
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{ |
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get { return (bool)GetValue(IsDraggingProperty); } |
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} |
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/// <summary>
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/// Provides a secure method for setting the IsDragging property.
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/// This dependency property indicates that this floating window is being dragged.
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/// </summary>
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/// <param name="value">The new value for the property.</param>
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protected void SetIsDragging(bool value) |
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{ |
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SetValue(IsDraggingPropertyKey, value); |
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} |
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/// <summary>
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/// Handles changes to the IsDragging property.
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/// </summary>
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private static void OnIsDraggingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) |
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{ |
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((LayoutFloatingWindowControl)d).OnIsDraggingChanged(e); |
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} |
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/// <summary>
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/// Provides derived classes an opportunity to handle changes to the IsDragging property.
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/// </summary>
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protected virtual void OnIsDraggingChanged(DependencyPropertyChangedEventArgs e) |
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{ |
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//Trace.WriteLine("IsDragging={0}", e.NewValue);
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} |
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#endregion
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DragService _dragService = null; |
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void UpdatePositionAndSizeOfPanes() |
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{ |
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foreach (var posElement in Model.Descendents().OfType<ILayoutElementForFloatingWindow>()) |
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{ |
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posElement.FloatingLeft = Left; |
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posElement.FloatingTop = Top; |
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posElement.FloatingWidth = Width; |
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posElement.FloatingHeight = Height; |
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posElement.IsMaximized = this.WindowState == System.Windows.WindowState.Maximized; |
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} |
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} |
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protected virtual IntPtr FilterMessage( |
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IntPtr hwnd, |
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int msg, |
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IntPtr wParam, |
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IntPtr lParam, |
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ref bool handled |
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) |
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{ |
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handled = false; |
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switch (msg) |
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{ |
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case Win32Helper.WM_ACTIVATE: |
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if (((int)wParam & 0xFFFF) == Win32Helper.WA_INACTIVE) |
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{ |
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if (lParam == this.GetParentWindowHandle()) |
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{ |
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Win32Helper.SetActiveWindow(_hwndSrc.Handle); |
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handled = true; |
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} |
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} |
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break; |
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case Win32Helper.WM_EXITSIZEMOVE: |
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UpdatePositionAndSizeOfPanes(); |
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if (_dragService != null) |
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{ |
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bool dropFlag; |
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var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition()); |
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_dragService.Drop(mousePosition, out dropFlag); |
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_dragService = null; |
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SetIsDragging(false); |
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if (dropFlag) |
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InternalClose(); |
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} |
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break; |
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case Win32Helper.WM_MOVING: |
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{ |
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UpdateDragPosition(); |
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} |
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break; |
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case Win32Helper.WM_LBUTTONUP: //set as handled right button click on title area (after showing context menu)
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if (_dragService != null && Mouse.LeftButton == MouseButtonState.Released) |
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{ |
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_dragService.Abort(); |
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_dragService = null; |
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SetIsDragging(false); |
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} |
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break; |
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} |
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return IntPtr.Zero; |
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} |
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private void UpdateDragPosition() |
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{ |
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if (_dragService == null) |
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{ |
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_dragService = new DragService(this); |
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SetIsDragging(true); |
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} |
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var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition()); |
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_dragService.UpdateMouseLocation(mousePosition); |
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} |
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bool _internalCloseFlag = false; |
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internal void InternalClose() |
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{ |
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_internalCloseFlag = true; |
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Close(); |
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} |
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protected bool CloseInitiatedByUser |
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{ |
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get { return !_internalCloseFlag; } |
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} |
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internal bool KeepContentVisibleOnClose |
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{ |
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get; |
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set; |
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} |
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protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e) |
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{ |
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base.OnMouseLeftButtonUp(e); |
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} |
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#region IsMaximized
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/// <summary>
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/// IsMaximized Read-Only Dependency Property
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/// </summary>
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private static readonly DependencyPropertyKey IsMaximizedPropertyKey |
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= DependencyProperty.RegisterReadOnly("IsMaximized", typeof(bool), typeof(LayoutFloatingWindowControl), |
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new FrameworkPropertyMetadata((bool)false)); |
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public static readonly DependencyProperty IsMaximizedProperty |
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= IsMaximizedPropertyKey.DependencyProperty; |
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/// <summary>
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/// Gets the IsMaximized property. This dependency property
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/// indicates if the window is maximized.
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/// </summary>
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public bool IsMaximized |
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{ |
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get { return (bool)GetValue(IsMaximizedProperty); } |
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} |
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/// <summary>
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/// Provides a secure method for setting the IsMaximized property.
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/// This dependency property indicates if the window is maximized.
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/// </summary>
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/// <param name="value">The new value for the property.</param>
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protected void SetIsMaximized(bool value) |
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{ |
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SetValue(IsMaximizedPropertyKey, value); |
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} |
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protected override void OnStateChanged(EventArgs e) |
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{ |
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SetIsMaximized(WindowState == System.Windows.WindowState.Maximized); |
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base.OnStateChanged(e); |
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} |
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#endregion
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public abstract class LayoutFloatingWindowControl : Window, ILayoutControl |
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{ |
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static LayoutFloatingWindowControl() |
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{ |
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LayoutFloatingWindowControl.ContentProperty.OverrideMetadata(typeof(LayoutFloatingWindowControl), new FrameworkPropertyMetadata(null, null, new CoerceValueCallback(CoerceContentValue))); |
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AllowsTransparencyProperty.OverrideMetadata(typeof(LayoutFloatingWindowControl), new FrameworkPropertyMetadata(false)); |
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ShowInTaskbarProperty.OverrideMetadata(typeof(LayoutFloatingWindowControl), new FrameworkPropertyMetadata(false)); |
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} |
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static object CoerceContentValue(DependencyObject sender, object content) |
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{ |
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return new FloatingWindowContentHost(sender as LayoutFloatingWindowControl) { Content = content as UIElement }; |
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} |
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protected class FloatingWindowContentHost : HwndHost |
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{ |
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LayoutFloatingWindowControl _owner; |
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public FloatingWindowContentHost(LayoutFloatingWindowControl owner) |
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{ |
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_owner = owner; |
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var manager = _owner.Model.Root.Manager; |
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} |
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HwndSource _wpfContentHost = null; |
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Border _rootPresenter = null; |
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DockingManager _manager = null; |
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protected override System.Runtime.InteropServices.HandleRef BuildWindowCore(System.Runtime.InteropServices.HandleRef hwndParent) |
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{ |
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_wpfContentHost = new HwndSource(new HwndSourceParameters() |
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{ |
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ParentWindow = hwndParent.Handle, |
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WindowStyle = Win32Helper.WS_CHILD | Win32Helper.WS_VISIBLE | Win32Helper.WS_CLIPSIBLINGS | Win32Helper.WS_CLIPCHILDREN, |
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Width = 1, |
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Height = 1 |
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}); |
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_rootPresenter = new Border() { Child = new AdornerDecorator() { Child = Content }, Focusable = true }; |
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_rootPresenter.SetBinding(Border.BackgroundProperty, new Binding("Background") { Source = _owner }); |
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_wpfContentHost.RootVisual = _rootPresenter; |
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_wpfContentHost.SizeToContent = SizeToContent.Manual; |
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_manager = _owner.Model.Root.Manager; |
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_manager.InternalAddLogicalChild(_rootPresenter); |
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return new HandleRef(this, _wpfContentHost.Handle); |
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} |
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protected override void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e) |
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{ |
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Trace.WriteLine("FloatingWindowContentHost.GotKeyboardFocus"); |
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base.OnGotKeyboardFocus(e); |
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} |
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protected override void DestroyWindowCore(HandleRef hwnd) |
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{ |
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_manager.InternalRemoveLogicalChild(_rootPresenter); |
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if (_wpfContentHost != null) |
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{ |
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_wpfContentHost.Dispose(); |
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_wpfContentHost = null; |
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} |
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} |
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protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) |
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{ |
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switch (msg) |
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{ |
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case Win32Helper.WM_SETFOCUS: |
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Trace.WriteLine("FloatingWindowContentHost.WM_SETFOCUS"); |
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break; |
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case Win32Helper.WM_KILLFOCUS: |
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Trace.WriteLine("FloatingWindowContentHost.WM_KILLFOCUS"); |
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break; |
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} |
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return base.WndProc(hwnd, msg, wParam, lParam, ref handled); |
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} |
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public Visual RootVisual |
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{ |
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get { return _rootPresenter; } |
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} |
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protected override Size MeasureOverride(Size constraint) |
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{ |
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if (Content == null) |
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return base.MeasureOverride(constraint); |
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Content.Measure(constraint); |
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return Content.DesiredSize; |
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} |
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#region Content
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/// <summary>
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/// Content Dependency Property
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/// </summary>
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public static readonly DependencyProperty ContentProperty = |
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DependencyProperty.Register("Content", typeof(UIElement), typeof(FloatingWindowContentHost), |
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new FrameworkPropertyMetadata((UIElement)null, |
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new PropertyChangedCallback(OnContentChanged))); |
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/// <summary>
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/// Gets or sets the Content property. This dependency property
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/// indicates ....
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/// </summary>
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public UIElement Content |
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{ |
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get { return (UIElement)GetValue(ContentProperty); } |
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set { SetValue(ContentProperty, value); } |
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} |
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/// <summary>
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/// Handles changes to the Content property.
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/// </summary>
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private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) |
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{ |
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((FloatingWindowContentHost)d).OnContentChanged(e); |
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} |
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/// <summary>
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/// Provides derived classes an opportunity to handle changes to the Content property.
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/// </summary>
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protected virtual void OnContentChanged(DependencyPropertyChangedEventArgs e) |
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{ |
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if (_rootPresenter != null) |
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_rootPresenter.Child = Content; |
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} |
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#endregion
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} |
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ILayoutElement _model; |
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protected LayoutFloatingWindowControl(ILayoutElement model) |
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{ |
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this.Loaded += new RoutedEventHandler(OnLoaded); |
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this.Unloaded += new RoutedEventHandler(OnUnloaded); |
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_model = model; |
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UpdateThemeResources(); |
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} |
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internal virtual void UpdateThemeResources(Theme oldTheme = null) |
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{ |
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if (Application.Current != null) |
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return; |
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if (oldTheme != null) |
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{ |
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var resourceDictionaryToRemove = |
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Resources.MergedDictionaries.FirstOrDefault(r => r.Source == oldTheme.GetResourceUri()); |
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if (resourceDictionaryToRemove != null) |
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Resources.MergedDictionaries.Remove( |
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resourceDictionaryToRemove); |
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} |
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var manager = _model.Root.Manager; |
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if (manager.Theme != null) |
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{ |
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Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = manager.Theme.GetResourceUri() }); |
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} |
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} |
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protected override void OnClosed(EventArgs e) |
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{ |
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if (Content != null) |
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{ |
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var host = Content as FloatingWindowContentHost; |
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host.Dispose(); |
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if (_hwndSrc != null) |
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{ |
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_hwndSrc.RemoveHook(_hwndSrcHook); |
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_hwndSrc.Dispose(); |
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_hwndSrc = null; |
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} |
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} |
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base.OnClosed(e); |
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} |
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bool _attachDrag = false; |
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internal void AttachDrag(bool onActivated = true) |
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{ |
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if (onActivated) |
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{ |
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_attachDrag = true; |
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this.Activated += new EventHandler(OnActivated); |
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} |
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else |
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{ |
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IntPtr windowHandle = new WindowInteropHelper(this).Handle; |
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IntPtr lParam = new IntPtr(((int)Left & (int)0xFFFF) | (((int)Top) << 16)); |
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Win32Helper.SendMessage(windowHandle, Win32Helper.WM_NCLBUTTONDOWN, new IntPtr(Win32Helper.HT_CAPTION), lParam); |
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} |
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} |
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HwndSource _hwndSrc; |
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HwndSourceHook _hwndSrcHook; |
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void OnLoaded(object sender, RoutedEventArgs e) |
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{ |
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this.Loaded -= new RoutedEventHandler(OnLoaded); |
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this.SetParentToMainWindowOf(Model.Root.Manager); |
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_hwndSrc = HwndSource.FromDependencyObject(this) as HwndSource; |
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_hwndSrcHook = new HwndSourceHook(FilterMessage); |
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_hwndSrc.AddHook(_hwndSrcHook); |
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} |
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void OnUnloaded(object sender, RoutedEventArgs e) |
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{ |
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this.Unloaded -= new RoutedEventHandler(OnUnloaded); |
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if (_hwndSrc != null) |
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{ |
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_hwndSrc.RemoveHook(_hwndSrcHook); |
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_hwndSrc.Dispose(); |
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_hwndSrc = null; |
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} |
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} |
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void OnActivated(object sender, EventArgs e) |
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{ |
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this.Activated -= new EventHandler(OnActivated); |
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if (_attachDrag && Mouse.LeftButton == MouseButtonState.Pressed) |
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{ |
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IntPtr windowHandle = new WindowInteropHelper(this).Handle; |
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var mousePosition = this.PointToScreenDPI(Mouse.GetPosition(this)); |
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var clientArea = Win32Helper.GetClientRect(windowHandle); |
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var windowArea = Win32Helper.GetWindowRect(windowHandle); |
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Left = mousePosition.X - windowArea.Width / 2.0; |
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Top = mousePosition.Y - (windowArea.Height - clientArea.Height) / 2.0; |
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_attachDrag = false; |
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IntPtr lParam = new IntPtr(((int)mousePosition.X & (int)0xFFFF) | (((int)mousePosition.Y) << 16)); |
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Win32Helper.SendMessage(windowHandle, Win32Helper.WM_NCLBUTTONDOWN, new IntPtr(Win32Helper.HT_CAPTION), lParam); |
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} |
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} |
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protected override void OnInitialized(EventArgs e) |
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{ |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.CloseWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.CloseWindow((Window)args.Parameter)))); |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.MaximizeWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.MaximizeWindow((Window)args.Parameter)))); |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.MinimizeWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.MinimizeWindow((Window)args.Parameter)))); |
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CommandBindings.Add(new CommandBinding(Microsoft.Windows.Shell.SystemCommands.RestoreWindowCommand, |
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new ExecutedRoutedEventHandler((s, args) => Microsoft.Windows.Shell.SystemCommands.RestoreWindow((Window)args.Parameter)))); |
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//Debug.Assert(this.Owner != null);
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base.OnInitialized(e); |
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} |
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public abstract ILayoutElement Model { get; } |
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#region IsDragging
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/// <summary>
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/// IsDragging Read-Only Dependency Property
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/// </summary>
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private static readonly DependencyPropertyKey IsDraggingPropertyKey |
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= DependencyProperty.RegisterReadOnly("IsDragging", typeof(bool), typeof(LayoutFloatingWindowControl), |
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new FrameworkPropertyMetadata((bool)false, |
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new PropertyChangedCallback(OnIsDraggingChanged))); |
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public static readonly DependencyProperty IsDraggingProperty |
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= IsDraggingPropertyKey.DependencyProperty; |
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/// <summary>
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/// Gets the IsDragging property. This dependency property
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/// indicates that this floating window is being dragged.
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/// </summary>
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public bool IsDragging |
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{ |
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get { return (bool)GetValue(IsDraggingProperty); } |
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} |
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/// <summary>
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/// Provides a secure method for setting the IsDragging property.
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/// This dependency property indicates that this floating window is being dragged.
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/// </summary>
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/// <param name="value">The new value for the property.</param>
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protected void SetIsDragging(bool value) |
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{ |
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SetValue(IsDraggingPropertyKey, value); |
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} |
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/// <summary>
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/// Handles changes to the IsDragging property.
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/// </summary>
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private static void OnIsDraggingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) |
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{ |
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((LayoutFloatingWindowControl)d).OnIsDraggingChanged(e); |
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} |
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/// <summary>
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/// Provides derived classes an opportunity to handle changes to the IsDragging property.
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/// </summary>
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protected virtual void OnIsDraggingChanged(DependencyPropertyChangedEventArgs e) |
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{ |
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//Trace.WriteLine("IsDragging={0}", e.NewValue);
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} |
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#endregion
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DragService _dragService = null; |
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void UpdatePositionAndSizeOfPanes() |
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{ |
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foreach (var posElement in Model.Descendents().OfType<ILayoutElementForFloatingWindow>()) |
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{ |
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posElement.FloatingLeft = Left; |
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posElement.FloatingTop = Top; |
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posElement.FloatingWidth = Width; |
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posElement.FloatingHeight = Height; |
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} |
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} |
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void UpdateMaximizedState(bool isMaximized) |
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{ |
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foreach (var posElement in Model.Descendents().OfType<ILayoutElementForFloatingWindow>()) |
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{ |
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posElement.IsMaximized = isMaximized; |
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} |
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} |
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protected virtual IntPtr FilterMessage( |
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IntPtr hwnd, |
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int msg, |
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IntPtr wParam, |
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IntPtr lParam, |
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ref bool handled |
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) |
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{ |
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handled = false; |
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switch (msg) |
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{ |
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case Win32Helper.WM_ACTIVATE: |
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if (((int)wParam & 0xFFFF) == Win32Helper.WA_INACTIVE) |
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{ |
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if (lParam == this.GetParentWindowHandle()) |
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{ |
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Win32Helper.SetActiveWindow(_hwndSrc.Handle); |
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handled = true; |
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} |
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} |
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break; |
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case Win32Helper.WM_EXITSIZEMOVE: |
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UpdatePositionAndSizeOfPanes(); |
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if (_dragService != null) |
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{ |
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bool dropFlag; |
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var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition()); |
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_dragService.Drop(mousePosition, out dropFlag); |
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_dragService = null; |
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SetIsDragging(false); |
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if (dropFlag) |
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InternalClose(); |
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} |
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break; |
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case Win32Helper.WM_MOVING: |
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{ |
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UpdateDragPosition(); |
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} |
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break; |
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case Win32Helper.WM_LBUTTONUP: //set as handled right button click on title area (after showing context menu)
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if (_dragService != null && Mouse.LeftButton == MouseButtonState.Released) |
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{ |
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_dragService.Abort(); |
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_dragService = null; |
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SetIsDragging(false); |
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} |
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break; |
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case Win32Helper.WM_SYSCOMMAND: |
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IntPtr wMaximize = new IntPtr(Win32Helper.SC_MAXIMIZE); |
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IntPtr wRestore = new IntPtr(Win32Helper.SC_RESTORE); |
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if (wParam == wMaximize || wParam == wRestore) |
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{ |
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UpdateMaximizedState(wParam == wMaximize); |
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} |
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break; |
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} |
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return IntPtr.Zero; |
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} |
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private void UpdateDragPosition() |
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{ |
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if (_dragService == null) |
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{ |
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_dragService = new DragService(this); |
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SetIsDragging(true); |
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} |
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var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition()); |
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_dragService.UpdateMouseLocation(mousePosition); |
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} |
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bool _internalCloseFlag = false; |
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internal void InternalClose() |
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{ |
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_internalCloseFlag = true; |
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Close(); |
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} |
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protected bool CloseInitiatedByUser |
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{ |
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get { return !_internalCloseFlag; } |
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} |
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internal bool KeepContentVisibleOnClose |
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{ |
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get; |
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set; |
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} |
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protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e) |
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{ |
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base.OnMouseLeftButtonUp(e); |
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} |
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#region IsMaximized
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/// <summary>
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|
/// IsMaximized Read-Only Dependency Property
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|
/// </summary>
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|
private static readonly DependencyPropertyKey IsMaximizedPropertyKey |
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|
= DependencyProperty.RegisterReadOnly("IsMaximized", typeof(bool), typeof(LayoutFloatingWindowControl), |
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|
|
new FrameworkPropertyMetadata((bool)false)); |
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|
public static readonly DependencyProperty IsMaximizedProperty |
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|
= IsMaximizedPropertyKey.DependencyProperty; |
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|
/// <summary>
|
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|
|
/// Gets the IsMaximized property. This dependency property
|
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|
|
/// indicates if the window is maximized.
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|
|
/// </summary>
|
|
|
|
public bool IsMaximized |
|
|
|
{ |
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|
|
get { return (bool)GetValue(IsMaximizedProperty); } |
|
|
|
} |
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|
|
|
/// <summary>
|
|
|
|
/// Provides a secure method for setting the IsMaximized property.
|
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|
|
/// This dependency property indicates if the window is maximized.
|
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|
|
/// </summary>
|
|
|
|
/// <param name="value">The new value for the property.</param>
|
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|
|
protected void SetIsMaximized(bool value) |
|
|
|
{ |
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|
|
SetValue(IsMaximizedPropertyKey, value); |
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|
|
} |
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|
protected override void OnStateChanged(EventArgs e) |
|
|
|
{ |
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|
|
SetIsMaximized(WindowState == System.Windows.WindowState.Maximized); |
|
|
|
base.OnStateChanged(e); |
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|
|
} |
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#endregion
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} |
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} |
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} |
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Johannes Brittain
7 years ago