public static async Task <IRandomAccessStream> RenderToRandomAccessStream(this Windows.UI.Xaml.UIElement element)
{
RenderTargetBitmap rtb = new RenderTargetBitmap();
await rtb.RenderAsync(element);
var pixelBuffer = await rtb.GetPixelsAsync();
var pixels = pixelBuffer.ToArray();
// Useful for rendering in the correct DPI
var displayInformation = DisplayInformation.GetForCurrentView();
var stream = new InMemoryRandomAccessStream();
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, stream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Premultiplied,
(uint)rtb.PixelWidth,
(uint)rtb.PixelHeight,
displayInformation.RawDpiX,
displayInformation.RawDpiY,
pixels);
await encoder.FlushAsync();
stream.Seek(0);
return(stream);
}
public virtual void Add(UIElement control)
{
int rows = _grid.RowDefinitions.Count;
_grid.RowDefinitions.Add(new RowDefinition());
var textBlock = new TextBlock
{
Text = ListItemPrefix,
Margin = new Thickness(0, 5, 0, 5),
HorizontalAlignment = HorizontalAlignment.Center
};
Grid.SetColumn(textBlock, 0);
Grid.SetRow(textBlock, rows);
_grid.Children.Add(textBlock);
if ((control is FrameworkElement) == false)
{
// UIElement can set column and row,
// so use a border.
var border = new Border
{
Child = control
};
control = border;
}
Grid.SetColumn((FrameworkElement)control, 1);
Grid.SetRow((FrameworkElement)control, rows);
_grid.Children.Add(control);
}
public ManipulationInputProcessor(Windows.UI.Input.GestureRecognizer gr, Windows.UI.Xaml.UIElement target, Windows.UI.Xaml.UIElement referenceframe)
{
this.gestureRecognizer = gr;
this.element = target;
this.reference = referenceframe;
this.gestureRecognizer.GestureSettings =
Windows.UI.Input.GestureSettings.Tap |
Windows.UI.Input.GestureSettings.Hold | //hold must be set in order to recognize the press & hold gesture
Windows.UI.Input.GestureSettings.RightTap |
Windows.UI.Input.GestureSettings.ManipulationTranslateX |
Windows.UI.Input.GestureSettings.ManipulationTranslateY |
Windows.UI.Input.GestureSettings.ManipulationRotate |
Windows.UI.Input.GestureSettings.ManipulationScale |
Windows.UI.Input.GestureSettings.ManipulationTranslateInertia |
Windows.UI.Input.GestureSettings.ManipulationRotateInertia |
Windows.UI.Input.GestureSettings.ManipulationMultipleFingerPanning | //reduces zoom jitter when panning with multiple fingers
Windows.UI.Input.GestureSettings.ManipulationScaleInertia;
// Set up pointer event handlers. These receive input events that are used by the gesture recognizer.
this.element.PointerCanceled += OnPointerCanceled;
this.element.PointerPressed += OnPointerPressed;
this.element.PointerReleased += OnPointerReleased;
this.element.PointerMoved += OnPointerMoved;
// Set up event handlers to respond to gesture recognizer output
this.gestureRecognizer.Tapped += OnTapped;
this.gestureRecognizer.RightTapped += OnRightTapped;
this.gestureRecognizer.ManipulationStarted += OnManipulationStarted;
this.gestureRecognizer.ManipulationUpdated += OnManipulationUpdated;
this.gestureRecognizer.ManipulationCompleted += OnManipulationCompleted;
InitializeTransforms();
}
/// <summary>
/// Displays the compatible scenarios and hides the non-compatible ones.
/// If there are no supported devices, the scenarioContainer will be hidden and an error message
/// will be displayed.
/// </summary>
/// <param name="scenarios">The key is the device type that the value, scenario, supports.</param>
/// <param name="scenarioContainer">The container that encompasses all the scenarios that are specific to devices</param>
public static void SetUpDeviceScenarios(Dictionary<DeviceType, UIElement> scenarios, UIElement scenarioContainer)
{
UIElement supportedScenario = null;
if (EventHandlerForDevice.Current.IsDeviceConnected)
{
foreach (KeyValuePair<DeviceType, UIElement> deviceScenario in scenarios)
{
// Enable the scenario if it's generic or the device type matches
if ((deviceScenario.Key == DeviceType.All)
|| (deviceScenario.Key == Utilities.GetDeviceType(EventHandlerForDevice.Current.Device)))
{
// Make the scenario visible in case other devices use the same scenario and collapsed it.
deviceScenario.Value.Visibility = Visibility.Visible;
supportedScenario = deviceScenario.Value;
}
else if (deviceScenario.Value != supportedScenario)
{
// Don't hide the scenario if it is supported by the current device and is shared by other devices
deviceScenario.Value.Visibility = Visibility.Collapsed;
}
}
}
if (supportedScenario == null)
{
// Hide the container so that common elements shared across scenarios are also hidden
scenarioContainer.Visibility = Visibility.Collapsed;
NotifyDeviceNotConnected();
}
}
public void Initialize(UIElement host, CompositionImage sourceElement, object payload)
{
_host = host;
_parent = host;
_payload = payload;
// Make a copy of the sourceElement's sprite so we can hand it off to the next page
SpriteVisual sourceSprite = sourceElement.SpriteVisual;
Compositor compositor = sourceSprite.Compositor;
_sprite = compositor.CreateSpriteVisual();
_sprite.Size = sourceSprite.Size;
_sprite.Brush = sourceElement.SurfaceBrush;
// We're going to use the backing surface, make sure it doesn't get released
sourceElement.SharedSurface = true;
// Determine the offset from the host to the source element used in the transition
GeneralTransform coordinate = sourceElement.TransformToVisual(_parent);
Point position = coordinate.TransformPoint(new Point(0, 0));
// Set the sprite to that offset relative to the host
_sprite.Offset = new Vector3((float)position.X, (float)position.Y, 0);
// Set the sprite as the content under the host
ElementCompositionPreview.SetElementChildVisual(_parent, _sprite);
}
public virtual void SetPrintContent(UIElement content)
{
if (content == null)
return;
PrintContent = content;
}
/// <summary>
/// Shows a popup dialog for the specified model relative to the <paramref name="placementTarget"/>.
/// </summary>
/// <param name="rootModel">The root model.</param>
/// <param name="placementTarget">The placement target.</param>
/// <param name="viewSettings">The optional dialog settings.</param>
public void ShowFlyout(object rootModel, UIElement placementTarget, IDictionary<string, object> viewSettings = null) {
var view = ViewLocator.LocateForModel(rootModel, null, null);
ViewModelBinder.Bind(rootModel, view, null);
var flyout = new Flyout
{
Content = view,
PlacementTarget = placementTarget,
};
ApplySettings(flyout, viewSettings);
flyout.IsOpen = true;
var deactivator = rootModel as IDeactivate;
if (deactivator != null) {
EventHandler<object> closed = null;
closed = (s, e) => {
deactivator.Deactivate(true);
flyout.Closed -= closed;
};
flyout.Closed += closed;
}
var activator = rootModel as IActivate;
if (activator != null) {
activator.Activate();
}
}
private void DoRenderText()
{
if (RenderSuspended)
{
return;
}
try
{
var map = cachedMap;
if (lastMapId != mapId && map != null)
{
lastMapId = mapId;
var renderer = new XamlCanvasTextRender2Renderer(ControlCallback);
var textRender = renderer.Render(map);
textRender.HorizontalAlignment = HorizontalAlignment.Left;
textRender.VerticalAlignment = VerticalAlignment.Top;
var a = new UIElement[1];
a[0] = textRender;
ChildUpdateHelper.UpdateChildren(MainGrid.Children, a);
}
}
catch
{
// ignored
}
}
// Unused and untested
public static void ShowMessage(string message, UIElement placementTarget, PlacementMode placementMode=PlacementMode.Top)
{
var f = new Callisto.Controls.Flyout();
var b = new Border()
{
Width = 300,
Height = 125
};
TextBlock tb = new TextBlock();
tb.HorizontalAlignment = HorizontalAlignment.Center;
tb.VerticalAlignment = VerticalAlignment.Center;
tb.TextWrapping = TextWrapping.Wrap;
tb.FontSize = 12f;
tb.Text = message;
b.Child = tb;
f.Content = b;
f.Placement = placementMode;
f.PlacementTarget = placementTarget;
f.IsOpen = true;
}
/// <summary>
/// Invoked whenever application code or internal processes (such as a rebuilding layout pass) call ApplyTemplate.
/// In simplest terms, this means the method is called just before a UI element displays in your app.
/// Override this method to influence the default post-template logic of a class.
/// </summary>
protected override void OnApplyTemplate()
{
// Border
this.border = this.GetTemplateChild(BorderPartName) as Border;
if (this.border != null)
{
this.border.ManipulationStarted += Border_ManipulationStarted;
this.border.ManipulationDelta += Border_ManipulationDelta;
this.border.ManipulationCompleted += Border_ManipulationCompleted;
this.border.Tapped += Border_Tapped;
this.border.PointerEntered += Border_PointerEntered;
// Move Canvas properties from control to border.
Canvas.SetLeft(this.border, Canvas.GetLeft(this));
Canvas.SetLeft(this, 0);
Canvas.SetTop(this.border, Canvas.GetTop(this));
Canvas.SetTop(this, 0);
// Move Margin to border.
this.border.Padding = this.Margin;
this.Margin = new Thickness(0);
}
else
{
// Exception
throw new Exception("Floating Control Style has no Border.");
}
// Overlay
this.overlay = GetTemplateChild(OverlayPartName) as UIElement;
this.Loaded += Floating_Loaded;
}
private async Task Run(CancellationToken ct)
{
MyContent = new MyNestedContent()
{
MyProperty = 42
};
View content = null;
while (!ct.IsCancellationRequested)
{
if (rootGrid.Children.Any())
{
content = rootGrid.Children.First() as UIElement;
rootGrid.Children.Remove(content);
}
else
{
rootGrid.Children.Add(content);
}
await Task.Delay(1000);
}
if (rootGrid.Children.Count == 0 && content != null)
{
rootGrid.Children.Add(content);
}
}
public void Delete(ref UIElement surface)
{
if (!IsVisible)
{
DelayedDelete(60, surface, _rootElement);
}
}
public static double DistanceFromTop(this ScrollViewer scrollViewer, UIElement element)
{
var transform = element.TransformToVisual(scrollViewer);
var position = transform.TransformPoint(new Point(0, 0));
return position.Y;
}
public RemedyOptions()
{
// Main function.
this.InitializeComponent();
temp = ResizePanel;
tempPanel.Children.Remove(ResizePanel);
}
public static void OnPointerPressed(UIElement sender, TouchSliderC slider, PointerRoutedEventArgs e)
{
sender.CapturePointer(e.Pointer);
_lastPoint = e.GetCurrentPoint(slider);
_isDragActive = true;
e.Handled = true;
}
private void InjectPropertiesForChildViews(IComponentContext context, IPresentationBusConfiguration bus, UIElement uiElement)
{
var userControl = uiElement as UserControl;
if (userControl != null)
{
InjectProperties(context, bus, userControl.Content);
return;
}
var panel = uiElement as Panel;
if (panel != null)
{
foreach (var child in panel.Children)
{
InjectProperties(context, bus, child);
}
return;
}
var contentControl = uiElement as ContentControl;
if (contentControl != null)
{
InjectProperties(context, bus, contentControl.Content as UIElement);
return;
}
}
public InputEvents(CoreWindow window, UIElement inputElement, TouchQueue touchQueue)
{
_touchQueue = touchQueue;
// The key events are always tied to the window as those will
// only arrive here if some other control hasn't gotten it.
window.KeyDown += CoreWindow_KeyDown;
window.KeyUp += CoreWindow_KeyUp;
window.VisibilityChanged += CoreWindow_VisibilityChanged;
if (inputElement != null)
{
// If we have an input UIElement then we bind input events
// to it else we'll get events for overlapping XAML controls.
inputElement.PointerPressed += UIElement_PointerPressed;
inputElement.PointerReleased += UIElement_PointerReleased;
inputElement.PointerCanceled += UIElement_PointerReleased;
inputElement.PointerMoved += UIElement_PointerMoved;
inputElement.PointerWheelChanged += UIElement_PointerWheelChanged;
}
else
{
// If we only have a CoreWindow then use it for input events.
window.PointerPressed += CoreWindow_PointerPressed;
window.PointerReleased += CoreWindow_PointerReleased;
window.PointerMoved += CoreWindow_PointerMoved;
window.PointerWheelChanged += CoreWindow_PointerWheelChanged;
}
}
async System.Threading.Tasks.Task<Windows.Storage.StorageFile> CaptureAndSave(UIElement element)
{
// capture
var bitmap = new Windows.UI.Xaml.Media.Imaging.RenderTargetBitmap();
await bitmap.RenderAsync(element);
var picker = new Windows.Storage.Pickers.FileSavePicker
{
SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary,
FileTypeChoices = { { "JPEG", new[] { ".jpg" } } },
SuggestedFileName = "Image",
DefaultFileExtension = ".jpg",
CommitButtonText = "Save",
};
// save
var file = await picker.PickSaveFileAsync();
using (var stream = await file.OpenStreamForWriteAsync())
{
var pixel = await bitmap.GetPixelsAsync();
var dpi = Windows.Graphics.Display.DisplayInformation.GetForCurrentView().LogicalDpi;
var random = stream.AsRandomAccessStream();
var jpg = Windows.Graphics.Imaging.BitmapEncoder.JpegEncoderId;
var encoder = await Windows.Graphics.Imaging.BitmapEncoder.CreateAsync(jpg, random);
var format = Windows.Graphics.Imaging.BitmapPixelFormat.Bgra8;
var alpha = Windows.Graphics.Imaging.BitmapAlphaMode.Ignore;
var width = (uint)bitmap.PixelWidth;
var height = (uint)bitmap.PixelHeight;
encoder.SetPixelData(format, alpha, width, height, dpi, dpi, pixel.ToArray());
await encoder.FlushAsync();
}
return file;
}
public Point GetPosition(object?relativeTo)
{
CGPoint windowLocation = new CGPoint(0.0, 0.0);
if (_macOSDraggingInfo != null && _window.ContentView is { } contentView)
{
windowLocation = contentView.ConvertPointFromView(_macOSDraggingInfo.DraggingLocation, null);
}
var rawPosition = new Point(windowLocation.X, windowLocation.Y);
if (relativeTo is null)
{
return(rawPosition);
}
if (relativeTo is UIElement elt)
{
var eltToRoot = UIElement.GetTransform(elt, null);
var rootToElt = eltToRoot.Inverse();
return(rootToElt.Transform(rawPosition));
}
throw new InvalidOperationException("The relative to must be a UIElement.");
}
public AdnGestureManager(
UIElement window,
AdnRenderer renderer)
{
_window = window;
_renderer = renderer;
_pointerMode = PointerMode.kIdleMode;
_accumulator = new ValueAccumulator(
-30.0 * 1000.0 / 5.0,
-100.0 * 1000.0 / 5.0,
-5.0 * 1000.0 / 5.0);
_pointers = new Dictionary<uint, PointerPoint>();
window.PointerMoved += OnPointerMoved;
window.PointerPressed += OnPointerPressed;
window.PointerReleased += OnPointerReleased;
window.PointerWheelChanged += OnPointerWheelChanged;
_gr = new GestureRecognizer();
_gr.GestureSettings =
GestureSettings.Tap |
GestureSettings.Drag |
GestureSettings.DoubleTap |
GestureSettings.ManipulationScale;
_gr.Tapped += OnTapped;
_gr.ManipulationStarted += OnManipulationStarted;
_gr.ManipulationUpdated += OnManipulationUpdated;
_gr.ManipulationCompleted += OnManipulationCompleted;
}
private void RunIfSelected(UIElement element, Action action)
{
if (ChartsList.SelectedItem == element)
{
action.Invoke();
}
}
public static ContainerVisual GetVisual(UIElement element)
{
var hostVisual = ElementCompositionPreview.GetElementVisual(element);
ContainerVisual root = hostVisual.Compositor.CreateContainerVisual();
ElementCompositionPreview.SetElementChildVisual(element, root);
return root;
}
public async Task<string> RenderToBase64(UIElement element)
{
RenderTargetBitmap rtb = new RenderTargetBitmap();
await rtb.RenderAsync(element);
var pixelBuffer = await rtb.GetPixelsAsync();
var pixels = pixelBuffer.ToArray();
// Useful for rendering in the correct DPI
var displayInformation = DisplayInformation.GetForCurrentView();
var stream = new InMemoryRandomAccessStream();
var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, stream);
encoder.SetPixelData(BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Premultiplied,
(uint)rtb.PixelWidth,
(uint)rtb.PixelHeight,
displayInformation.RawDpiX,
displayInformation.RawDpiY,
pixels);
await encoder.FlushAsync();
stream.Seek(0);
// read bytes
var bytes = new byte[stream.Size];
await stream.AsStream().ReadAsync(bytes, 0, bytes.Length);
// create base64
return Convert.ToBase64String(bytes);
}
public void Add(UIElement control)
{
Add(new InlineUIContainer
{
Child = control
});
}
public ManipulationInputProcessor(Windows.UI.Input.GestureRecognizer gr, Windows.UI.Xaml.UIElement target, Windows.UI.Xaml.UIElement referenceframe)
{
this.gestureRecognizer = gr;
this.element = target;
this.reference = referenceframe;
this.gestureRecognizer.GestureSettings =
Windows.UI.Input.GestureSettings.Tap |
Windows.UI.Input.GestureSettings.Hold | //hold must be set in order to recognize the press & hold gesture
Windows.UI.Input.GestureSettings.RightTap |
Windows.UI.Input.GestureSettings.ManipulationTranslateX |
Windows.UI.Input.GestureSettings.ManipulationTranslateY |
Windows.UI.Input.GestureSettings.ManipulationRotate |
Windows.UI.Input.GestureSettings.ManipulationScale |
Windows.UI.Input.GestureSettings.ManipulationTranslateInertia |
Windows.UI.Input.GestureSettings.ManipulationRotateInertia |
Windows.UI.Input.GestureSettings.ManipulationMultipleFingerPanning | //reduces zoom jitter when panning with multiple fingers
Windows.UI.Input.GestureSettings.ManipulationScaleInertia;
// Set up pointer event handlers. These receive input events that are used by the gesture recognizer.
this.element.PointerCanceled += OnPointerCanceled;
this.element.PointerPressed += OnPointerPressed;
this.element.PointerReleased += OnPointerReleased;
this.element.PointerMoved += OnPointerMoved;
// Set up event handlers to respond to gesture recognizer output
this.gestureRecognizer.Tapped += OnTapped;
this.gestureRecognizer.RightTapped += OnRightTapped;
this.gestureRecognizer.ManipulationStarted += OnManipulationStarted;
this.gestureRecognizer.ManipulationUpdated += OnManipulationUpdated;
this.gestureRecognizer.ManipulationCompleted += OnManipulationCompleted;
InitializeTransforms();
}
/// <summary>
/// Start of the Drag and Drop operation: we set some content and change the DragUI
/// depending on the selected options
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void SourceGrid_DragStarting(Windows.UI.Xaml.UIElement sender, Windows.UI.Xaml.DragStartingEventArgs args)
{
args.Data.SetText(SourceTextBox.Text);
if ((bool)DataPackageRB.IsChecked)
{
// Standard icon will be used as the DragUIContent
args.DragUI.SetContentFromDataPackage();
}
else if ((bool)CustomContentRB.IsChecked)
{
// Generate a bitmap with only the TextBox
// We need to take the deferral as the rendering won't be completed synchronously
var deferral = args.GetDeferral();
var rtb = new RenderTargetBitmap();
await rtb.RenderAsync(SourceTextBox);
var buffer = await rtb.GetPixelsAsync();
var bitmap = SoftwareBitmap.CreateCopyFromBuffer(buffer,
BitmapPixelFormat.Bgra8,
rtb.PixelWidth,
rtb.PixelHeight,
BitmapAlphaMode.Premultiplied);
args.DragUI.SetContentFromSoftwareBitmap(bitmap);
deferral.Complete();
}
// else just show the dragged UIElement
}
private void LostFocusHandler(object sender, RoutedEventArgs e)
{
if (lastFocusedElement == (UIElement)sender)
{
lastFocusedElement = null;
}
}
private void buttonScanCustom_Click(object sender, RoutedEventArgs e)
{
//Get our UIElement from the MainPage.xaml (this) file
// to use as our custom overlay
if (customOverlayElement == null)
{
customOverlayElement = this.customOverlay.Children[0];
this.customOverlay.Children.RemoveAt(0);
}
//Wireup our buttons from the custom overlay
this.buttonCancel.Click += (s, e2) =>
{
scanner.Cancel();
};
this.buttonFlash.Click += (s, e2) =>
{
scanner.ToggleTorch();
};
//Set our custom overlay and enable it
scanner.CustomOverlay = customOverlayElement;
scanner.UseCustomOverlay = true;
//Start scanning
scanner.Scan().ContinueWith(t =>
{
if (t.Result != null)
HandleScanResult(t.Result);
});
}
public static void SetContent(this Popup popup, UIElement newContent)
{
var contentControl = popup.Child as ContentControl;
contentControl.Height = Window.Current.Bounds.Height;
contentControl.Width = Window.Current.Bounds.Width;
contentControl.Content = newContent;
}
private void ShowContextMenu(UIElement target, Point offset) {
var MyFlyout = this.Resources["rjlMenuFlyout"] as MenuFlyout;
System.Diagnostics.Debug.WriteLine("MenuFlyout shown '{0}', '{1}'", target, offset);
MyFlyout.ShowAt(target, offset);
}
/// <summary>
/// Set up Continuity by hooking continuing Visuals to root Frame and getting global co-ordinates so that Visual seems to remain on the same location even though pages change and local coordinate space changes as well.
/// </summary>
/// <param name="containerVisual">Container Visual which contains visual that needs to continue between pages</param>
/// <param name="hostElement">UIElement which the Visual is hosted in</param>
/// <param name="newContainerVisual">new ContainerVisual after re-parent of sprite Visual to root.</param>
public static void SetupContinuity(ContainerVisual containerVisual,UIElement HostElement, out ContainerVisual newContainerVisual)
{
if (null == containerVisual || null == HostElement)
{
newContainerVisual = null;
return;
}
Frame rootFrame = Window.Current.Content as Frame;
Visual rootVisual = ElementCompositionPreview.GetElementVisual(rootFrame);
Compositor compositor = rootVisual.Compositor;
//remove element from current tree
var visualChild = containerVisual.Children.FirstOrDefault();
containerVisual.Children.Remove(visualChild);
//create temp container to add the visual to the root
ContainerVisual tempContainer = compositor.CreateContainerVisual();
tempContainer.Children.InsertAtTop(visualChild);
//Get location of visual as compared to root frame.
var coordinate = HostElement.TransformToVisual(rootFrame);
var position = coordinate.TransformPoint(new Point(0, 0));
//set the location of container visual to same visual location but now root as the parent.
tempContainer.Offset = new System.Numerics.Vector3((float)position.X, (float)position.Y, 0);
visualChild.Offset = new System.Numerics.Vector3(0, 0, 0);
//add container with sprite to the window of app
ElementCompositionPreview.SetElementChildVisual(rootFrame, tempContainer);
containerVisual = null;
newContainerVisual = tempContainer;
}
public static Edge GetEdge(UIElement element)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
return (Edge)element.GetValue(EdgeProperty);
}
public void SetContent(UIElement content)
{
rootGrid.Children.Add(content);
Grid.SetRow((FrameworkElement)content, 1);
coreTitleBar.ExtendViewIntoTitleBar = true;
Window.Current.SetTitleBar(TitleBar);
}
public void InitializeUI(Windows.UI.Xaml.UIElement rootForPointerEvents, Windows.UI.Xaml.UIElement rootOfLayout)
{
_root = rootForPointerEvents;
_rootParent = rootOfLayout;
_appWidth = (float)((FrameworkElement)_root).ActualWidth;
_appHeight = (float)((FrameworkElement)_root).ActualHeight;
}
public static void SetEdge(UIElement element, Edge edge)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
element.SetValue(EdgeProperty, edge);
}
public Settings()
{
this.InitializeComponent();
visibleContent = BasicPreferencesGridView;
SetupLanguages();
}
private void RootCanas_ContextRuested(Windows.UI.Xaml.UIElement sender, ContextRequestedEventArgs args)
{
if (args.TryGetPosition(RootCanvas, out Point p))
{
args.Handled = true;
PostEvent(DrawEvent.ContextMenu);
}
}
/// <summary>
/// Adds the specified element to the canvas.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="clipOffsetX">The clip offset X.</param>
/// <param name="clipOffsetY">The clip offset Y.</param>
private void Add(Windows.UI.Xaml.UIElement element, double clipOffsetX = 0, double clipOffsetY = 0)
{
if (this.clip)
{
this.ApplyClip(element, clipOffsetX, clipOffsetY);
}
this.canvas.Children.Add(element);
}
public void InitializeUI(Windows.UI.Xaml.UIElement rootForPointerEvents, Windows.UI.Xaml.UIElement rootOfLayout)
{
_root = rootForPointerEvents;
_rootParent = rootOfLayout;
_updateDimensions(((FrameworkElement)_root).ActualWidth, ((FrameworkElement)_root).ActualHeight);
_pathD2DConverter = new SumoNinjaMonkey.Framework.Lib.PathToD2DPathGeometryConverter();
}
public void GestureInputProcessor(Windows.UI.Input.GestureRecognizer gr, Windows.UI.Xaml.UIElement target)
{
this.gestureRecognizer = gr;
//Targeted Ui element to be performing gestures on it.
this.element = target;
//Enable gesture settings for Tap,Hold,RightTap,CrossSlide
this.gestureRecognizer.GestureSettings =
Windows.UI.Input.GestureSettings.ManipulationTranslateX |
Windows.UI.Input.GestureSettings.ManipulationTranslateY;
// Set up pointer event handlers. These receive input events that are used by the gesture recognizer.
this.element.PointerCanceled += OnPointerCanceled;
this.element.PointerPressed += OnPointerPressed;
this.element.PointerReleased += OnPointerReleased;
this.element.PointerMoved += OnPointerMoved;
gestureRecognizer.ManipulationCompleted += gestureRecognizer_ManipulationCompleted;
gestureRecognizer.ManipulationStarted += gestureRecognizer_ManipulationStarted;
}
public GestureInputProcessor(Windows.UI.Input.GestureRecognizer gr, Windows.UI.Xaml.UIElement target)
{
this.gestureRecognizer = gr;
this.element = target;
this.gestureRecognizer.GestureSettings =
Windows.UI.Input.GestureSettings.Tap |
Windows.UI.Input.GestureSettings.Hold | //hold must be set in order to recognize the press & hold gesture
Windows.UI.Input.GestureSettings.RightTap;
// Set up pointer event handlers. These receive input events that are used by the gesture recognizer.
this.element.PointerCanceled += OnPointerCanceled;
this.element.PointerPressed += OnPointerPressed;
this.element.PointerReleased += OnPointerReleased;
this.element.PointerMoved += OnPointerMoved;
// Set up event handlers to respond to gesture recognizer output
this.gestureRecognizer.Tapped += OnTapped;
this.gestureRecognizer.RightTapped += OnRightTapped;
}
/// <summary>
/// Enumerates all the children for a specified view group.
/// </summary>
/// <param name="view">The view group to get the children from</param>
/// <param name="maxDepth">The depth to stop looking for children.</param>
/// <returns>A lazy enumerable of views</returns>
public static IEnumerable <_View> EnumerateAllChildren(this _ViewGroup view, int maxDepth = 20)
{
var children = view.GetChildren().OfType <_ViewGroup>();
foreach (var child in children)
{
yield return(child);
if (maxDepth > 0)
{
if (child is _ViewGroup childGroup)
{
foreach (var subResult in childGroup.EnumerateAllChildren(maxDepth - 1))
{
yield return(subResult);
}
}
}
}
}
/// <inheritdoc />
public Point GetPosition(object?relativeTo)
{
var rawWpfPosition = _wpfArgs.GetPosition(WpfHost.Current);
var rawPosition = new Point(rawWpfPosition.X, rawWpfPosition.Y);
if (relativeTo is null)
{
return(rawPosition);
}
if (relativeTo is UIElement elt)
{
var eltToRoot = UIElement.GetTransform(elt, null);
Matrix3x2.Invert(eltToRoot, out var rootToElt);
return(rootToElt.Transform(rawPosition));
}
throw new InvalidOperationException("The relative to must be a UIElement.");
}
void AddToNativeParent(View parent, xaml.UIElement nativeChild, float top, float left)
{
var nativeParent = parent?.Native() as xaml.UIElement;
if (nativeParent is controls.Border wrapper)
{
nativeParent = wrapper.Child;
}
// High concurrency. Already disposed:
if (parent == null || parent.IsDisposed || nativeParent == null || nativeChild == null)
{
return;
}
try
{
if (nativeParent is controls.Panel panel)
{
panel.Children.Add(nativeChild);
}
else if (nativeParent is controls.ScrollViewer scroller)
{
(scroller.Content as controls.Panel)?.Children.Add(nativeChild);
}
else
{
throw new Exception(nativeParent.GetType().Name +
" is not a supported container for rendering.");
}
}
catch (System.Runtime.InteropServices.COMException)
{
/*No logging is needed. Is this a strange random UWP bug ?*/
}
controls.Canvas.SetLeft(nativeChild, left);
controls.Canvas.SetTop(nativeChild, top);
}
/// <summary>
/// Enumerates all the children for a specified view group.
/// </summary>
/// <param name="view">The view group to get the children from</param>
/// <param name="maxDepth">The depth to stop looking for children.</param>
/// <returns>A lazy enumerable of views</returns>
public static IEnumerable<_View> EnumerateAllChildren(this _ViewGroup view, int maxDepth = 20)
{
var children = view.GetChildren().OfType<UIElement>();
foreach (var sub in children)
{
yield return sub;
if (maxDepth > 0)
{
var childGroup = sub as _ViewGroup;
if (childGroup != null)
{
foreach (var subResult in childGroup.EnumerateAllChildren(maxDepth - 1))
{
yield return subResult;
}
}
}
}
}
/// <summary>
/// Enumerates all the children for a specified view group.
/// </summary>
/// <param name="view">The view group to get the children from</param>
/// <param name="selector">The selector function</param>
/// <param name="maxDepth">The depth to stop looking for children.</param>
/// <returns>A lazy enumerable of views</returns>
public static IEnumerable <_View> EnumerateAllChildren(this _ViewGroup view, Func <_View, bool> selector, int maxDepth = 20)
{
var children = view.GetChildren().OfType <UIElement>();
foreach (var sub in children)
{
if (selector(sub))
{
yield return(sub);
}
else if (maxDepth > 0)
{
var childGroup = sub as _ViewGroup;
if (childGroup != null)
{
foreach (var subResult in childGroup.EnumerateAllChildren(selector, maxDepth - 1))
{
yield return(subResult);
}
}
}
}
}
public static void PopUIElement(
Windows.UI.Xaml.UIElement element,
double scaleWidthFrom,
double scaleWidthTo,
double scaleHeightFrom,
double scaleHeightTo,
double moveWidthFrom,
double moveWidthTo,
double moveHeightFrom,
double moveHeightTo,
EasingFunctionBase easingFunc)
{
// animation
element.RenderTransform = new CompositeTransform();
Storyboard sb = new Storyboard();
DoubleAnimation scalex = new DoubleAnimation()
{
From = scaleWidthFrom,
To = scaleWidthTo,
Duration = TimeSpan.FromSeconds(inAnimationDurationSec),
EasingFunction = easingFunc
};
DoubleAnimation scaley = new DoubleAnimation()
{
From = scaleHeightFrom,
To = scaleHeightTo,
Duration = TimeSpan.FromSeconds(inAnimationDurationSec),
EasingFunction = easingFunc
};
DoubleAnimation movex = new DoubleAnimation()
{
// move from the center of the cell to its left
From = moveWidthFrom,
To = moveWidthTo,
Duration = TimeSpan.FromSeconds(inAnimationDurationSec),
EasingFunction = easingFunc
};
DoubleAnimation movey = new DoubleAnimation()
{
// move from the center of the cell to its top
From = moveHeightFrom,
To = moveHeightTo,
Duration = TimeSpan.FromSeconds(inAnimationDurationSec),
EasingFunction = easingFunc
};
sb.Children.Add(scalex);
sb.Children.Add(scaley);
Storyboard.SetTargetProperty(scalex, "(UIElement.RenderTransform).(ScaleTransform.ScaleX)");
Storyboard.SetTargetProperty(scaley, "(UIElement.RenderTransform).(ScaleTransform.ScaleY)");
Storyboard.SetTarget(scalex, element);
Storyboard.SetTarget(scaley, element);
sb.Children.Add(movex);
sb.Children.Add(movey);
Storyboard.SetTargetProperty(movex, "(UIElement.RenderTransform).(CompositeTransform.TranslateX)");
Storyboard.SetTargetProperty(movey, "(UIElement.RenderTransform).(CompositeTransform.TranslateY)");
Storyboard.SetTarget(movex, element);
Storyboard.SetTarget(movey, element);
sb.Begin();
}
/// <summary>
/// Applies the clip rectangle.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="x">The x offset of the element.</param>
/// <param name="y">The y offset of the element.</param>
private void ApplyClip(Windows.UI.Xaml.UIElement image, double x, double y)
{
image.Clip = new RectangleGeometry {
Rect = new Rect(this.clipRect.X - x, this.clipRect.Y - y, this.clipRect.Width, this.clipRect.Height)
};
}
private void MyImageButton_ContextRequested(Windows.UI.Xaml.UIElement sender, ContextRequestedEventArgs args)
{
// always show a context menu in standard mode
ShowMenu(false);
}
//Creates RenderTargetBitmap from UI Element
public ScreenShotShare(Windows.UI.Xaml.UIElement s)
{
this.s = s;
takeScreenShot();
}
private void btn_LosingFocus(Windows.UI.Xaml.UIElement sender, Windows.UI.Xaml.Input.LosingFocusEventArgs args)
{
(sender as Button).Background = new SolidColorBrush(Colors.Gray);
}
private void ListBoxIndicators_GettingFocus(Windows.UI.Xaml.UIElement sender, Windows.UI.Xaml.Input.GettingFocusEventArgs args)
{
}
public static void ParentXaml(Windows.UI.Xaml.UIElement root)
{
var host = new WindowsXamlHost();
host.Child = root;
}
/// <summary>
/// DragStarting is called even if we are starting the Drag Operation ourselved with StartDragAsync
/// In this sample, we don't really need to handle it
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SourceTextBlock_DragStarting(Windows.UI.Xaml.UIElement sender, Windows.UI.Xaml.DragStartingEventArgs e)
{
e.Data.RequestedOperation = DataPackageOperation.Copy;
e.Data.SetText(_symbol);
}
public Point GetPosition(UIElement relativeTo) => _info.GetPosition(relativeTo);
