/// <summary>
/// Handles the <see cref="Keyboard.KeyDownEvent"/> attached event for the view's topmost <see cref="Grid"/> instance.
/// </summary>
/// <param name="dobj">The object that raised the event.</param>
/// <param name="device">The <see cref="KeyboardDevice"/> that raised the event.</param>
/// <param name="key">The <see cref="Key"/> value that represents the key that was pressed.</param>
/// <param name="modifiers">A <see cref="ModifierKeys"/> value indicating which of the key modifiers are currently active.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
public void HandleKeyDown(DependencyObject dobj, KeyboardDevice device, Key key, ModifierKeys modifiers, ref RoutedEventData data)
{
switch (key)
{
case Key.AppControlBack:
{
owner.Ultraviolet.Host.Exit();
data.Handled = true;
}
break;
}
}
/// <summary>
/// Activates any link at the current cursor position within the specified command stream.
/// </summary>
/// <param name="stream">The command stream to update.</param>
/// <param name="element">The element that owns the command stream.</param>
/// <param name="data">The event metadata for the routed event which prompted the link activation.</param>
/// <returns><see langword="true"/> if the command stream's link was deactivated; otherwise, <see langword="false"/>.</returns>
public static Boolean ActivateTextLink(TextLayoutCommandStream stream, UIElement element, RoutedEventData data)
{
Contract.Require(element, nameof(element));
if (stream == null || element.View == null || !element.View.Resources.TextRenderer.ActivateLinkAtCursor(stream))
return false;
element.Focus();
element.CaptureMouse();
data.Handled = true;
return true;
}
/// <summary>
/// Raises a property change notification for all subscribers to the specified target.
/// </summary>
/// <param name="target">The target object for which to raise a notification.</param>
/// <param name="data">The routed event data.</param>
public void Notify(DependencyObject target, RoutedEventData data)
{
lock (subscriptions)
{
PooledLinkedList<IRoutedEventRaisedNotificationSubscriber> subscribers;
if (!subscriptions.TryGetValue(target, out subscribers))
return;
for (var current = subscribers.First; current != null; current = current.Next)
{
current.Value.ReceiveRoutedEventRaisedNotification(target, routedEvent, data);
}
}
}
/// <summary>
/// Executes any link at the current cursor position within the specified command stream.
/// </summary>
/// <param name="stream">The command stream to update.</param>
/// <param name="element">The element that owns the command stream.</param>
/// <param name="data">The event metadata for the routed event which prompted the link execution.</param>
public static Boolean ExecuteTextLink(TextLayoutCommandStream stream, UIElement element, RoutedEventData data)
{
Contract.Require(element, nameof(element));
if (stream == null || element.View == null)
return false;
if (stream.ActiveLinkIndex.HasValue)
element.ReleaseMouseCapture();
if (!element.View.Resources.TextRenderer.ExecuteActivatedLink(stream))
return false;
data.Handled = true;
return true;
}
/// <summary>
/// Handles the <see cref="Keyboard.KeyDownEvent"/> attached event for the view's topmost <see cref="Grid"/> instance.
/// </summary>
/// <param name="dobj">The object that raised the event.</param>
/// <param name="device">The <see cref="KeyboardDevice"/> that raised the event.</param>
/// <param name="key">The <see cref="Key"/> value that represents the key that was pressed.</param>
/// <param name="modifiers">A <see cref="ModifierKeys"/> value indicating which of the key modifiers are currently active.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
public void HandleKeyDown(DependencyObject dobj, KeyboardDevice device, Key key, ModifierKeys modifiers, ref RoutedEventData data)
{
switch (key)
{
case Key.Escape:
{
Modal.ShowDialogAsync(escMenuDialog).ContinueWith(HandleEscMenuDialogResult);
data.Handled = true;
}
break;
case Key.AppControlBack:
{
ReturnToMainMenu();
data.Handled = true;
}
break;
}
}
/// <summary>
/// Invokes the <see cref="OnMouseMove"/> method.
/// </summary>
private static void OnMouseMoveProxy(DependencyObject element, MouseDevice device, Double x, Double y, Double dx, Double dy, RoutedEventData data)
{
((UIElement)element).OnMouseMove(device, x, y, dx, dy, data);
}
/// <summary>
/// Invokes the <see cref="OnLostMouseCapture"/> method.
/// </summary>
private static void OnLostMouseCaptureProxy(DependencyObject element, RoutedEventData data)
{
((UIElement)element).OnLostMouseCapture(data);
}
/// <summary>
/// Invokes the <see cref="OnKeyUp"/> method.
/// </summary>
private static void OnKeyUpProxy(DependencyObject element, KeyboardDevice device, Key key, RoutedEventData data)
{
((UIElement)element).OnKeyUp(device, key, data);
}
/// <summary>
/// Invokes the <see cref="OnLostKeyboardFocus"/> method.
/// </summary>
private static void OnLostKeyboardFocusProxy(DependencyObject element, KeyboardDevice device, IInputElement oldFocus, IInputElement newFocus, RoutedEventData data)
{
((UIElement)element).OnLostKeyboardFocus(device, oldFocus, newFocus, data);
}
/// <summary>
/// Invokes by the <see cref="GamePad.ButtonUpEvent"/> attached routed event.
/// </summary>
/// <param name="device">The game pad device.</param>
/// <param name="button">The button that was released.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnGamePadButtonUp(GamePadDevice device, GamePadButton button, RoutedEventData data)
{
}
/// <summary>
/// Invokes by the <see cref="GamePad.AxisUpEvent"/> attached routed event.
/// </summary>
/// <param name="device">The game pad device.</param>
/// <param name="axis">The axis that was released.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnGamePadAxisUp(GamePadDevice device, GamePadAxis axis, RoutedEventData data)
{
}
/// <summary>
/// Invokes by the <see cref="GamePad.AxisChangedEvent"/> attached routed event.
/// </summary>
/// <param name="device">The game pad device.</param>
/// <param name="axis">The axis that was changed.</param>
/// <param name="value">The value to which the axis was changed.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnGamePadAxisChanged(GamePadDevice device, GamePadAxis axis, Single value, RoutedEventData data)
{
}
/// <summary>
/// Invoked when a <see cref="Keyboard.KeyUpEvent"/> attached routed event occurs.
/// </summary>
/// <param name="device">The <see cref="KeyboardDevice"/> that raised the event.</param>
/// <param name="key">The <see cref="Key"/> value that represents the key that was pressed.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnKeyUp(KeyboardDevice device, Key key, RoutedEventData data)
{
}
/// <summary>
/// Invoked when a <see cref="Keyboard.KeyDownEvent"/> attached routed event occurs.
/// </summary>
/// <param name="device">The <see cref="KeyboardDevice"/> that raised the event.</param>
/// <param name="key">The <see cref="Key"/> value that represents the key that was pressed.</param>
/// <param name="modifiers">A <see cref="ModifierKeys"/> value indicating which of the key modifiers are currently active.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnKeyDown(KeyboardDevice device, Key key, ModifierKeys modifiers, RoutedEventData data)
{
}
/// <summary>
/// Closes the dialog box when the "Cancel" button is clicked.
/// </summary>
/// <param name="dobj">The object that raised the event.</param>
/// <param name="data">The routed event data for this event invocation.</param>
public void HandleClickCancel(DependencyObject dobj, ref RoutedEventData data)
{
MessageBoxResult = MessageBoxResult.Cancel;
}
/// <summary>
/// Invoked when a <see cref="Keyboard.TextInputEvent"/> attached routed event occurs.
/// </summary>
/// <param name="device">The <see cref="KeyboardDevice"/> that raised the event.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnTextInput(KeyboardDevice device, RoutedEventData data)
{
}
/// <summary>
/// Invoked by the <see cref="Touch.FingerMotionEvent"/> attached routed event.
/// </summary>
/// <param name="device">The touch device.</param>
/// <param name="fingerID">The identifier of the finger that caused the touch.</param>
/// <param name="x">The x-coordinate of the touch.</param>
/// <param name="y">The y-coordinate of the touch.</param>
/// <param name="dx">The amount of motion along the x-axis.</param>
/// <param name="dy">The amount of motion along the y-axis.</param>
/// <param name="pressure">The normalized pressure value of the touch.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnFingerMotion(TouchDevice device, Int64 fingerID,
Double x, Double y, Double dx, Double dy, Single pressure, RoutedEventData data)
{
}
/// <summary>
/// Invoked when a <see cref="Keyboard.TextEditingEvent"/> attached routed event occurs.
/// </summary>
/// <param name="device">The <see cref="KeyboardDevice"/> that raised the event.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnTextEditing(KeyboardDevice device, RoutedEventData data)
{
}
/// <summary>
/// Invokes by the <see cref="GamePad.AxisDownEvent"/> attached routed event.
/// </summary>
/// <param name="device">The game pad device.</param>
/// <param name="axis">The axis that was pressed.</param>
/// <param name="value">The axis' value when it was pressed.</param>
/// <param name="repeat">A value indicating whether this is a repeated axis press.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnGamePadAxisDown(GamePadDevice device, GamePadAxis axis, Single value, Boolean repeat, RoutedEventData data)
{
}
/// <summary>
/// Invoked by the <see cref="Mouse.LostMouseCaptureEvent"/> attached routed event.
/// </summary>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnLostMouseCapture(RoutedEventData data)
{
}
/// <summary>
/// Invokes by the <see cref="GamePad.ButtonDownEvent"/> attached routed event.
/// </summary>
/// <param name="device">The game pad device.</param>
/// <param name="button">The button that was pressed.</param>
/// <param name="repeat">A value indicating whether this is a repeated button press.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnGamePadButtonDown(GamePadDevice device, GamePadButton button, Boolean repeat, RoutedEventData data)
{
}
/// <summary>
/// Invoked by the <see cref="Mouse.MouseMoveEvent"/> attached routed event.
/// </summary>
/// <param name="device">The mouse device.</param>
/// <param name="x">The x-coordinate of the cursor in device-independent screen coordinates.</param>
/// <param name="y">The y-coordinate of the cursor in device-independent screen coordinates.</param>
/// <param name="dx">The difference between the x-coordinate of the mouse's
/// current position and the x-coordinate of the mouse's previous position.</param>
/// <param name="dy">The difference between the y-coordinate of the mouse's
/// current position and the y-coordinate of the mouse's previous position.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnMouseMove(MouseDevice device, Double x, Double y, Double dx, Double dy, RoutedEventData data)
{
}
/// <summary>
/// Invoked by the <see cref="Generic.GenericInteractionEvent"/> attached routed event.
/// </summary>
/// <param name="device">The input device.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnGenericInteraction(UltravioletResource device, RoutedEventData data)
{
}
/// <summary>
/// Invoked by the <see cref="Mouse.MouseLeaveEvent"/> attached routed event.
/// </summary>
/// <param name="device">The mouse device.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnMouseLeave(MouseDevice device, RoutedEventData data)
{
}
/// <summary>
/// Invokes the <see cref="OnKeyDown"/> method.
/// </summary>
private static void OnKeyDownProxy(DependencyObject element, KeyboardDevice device, Key key, ModifierKeys modifiers, RoutedEventData data)
{
((UIElement)element).OnKeyDown(device, key, modifiers, data);
}
/// <summary>
/// Invoked by the <see cref="Mouse.MouseDoubleClickEvent"/> attached routed event.
/// </summary>
/// <param name="device">The mouse device.</param>
/// <param name="button">The mouse button that was pressed or released.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnMouseDoubleClick(MouseDevice device, MouseButton button, RoutedEventData data)
{
}
/// <summary>
/// Invokes the <see cref="OnTextEditing"/> method.
/// </summary>
private static void OnTextEditingProxy(DependencyObject element, KeyboardDevice device, RoutedEventData data)
{
((UIElement)element).OnTextEditing(device, data);
}
/// <summary>
/// Invoked by the <see cref="Mouse.MouseWheelEvent"/> attached routed event.
/// </summary>
/// <param name="device">The mouse device.</param>
/// <param name="x">The amount that the wheel was scrolled along the x-axis.</param>
/// <param name="y">The amount that the wheel was scrolled along the y-axis.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnMouseWheel(MouseDevice device, Double x, Double y, RoutedEventData data)
{
}
/// <summary>
/// Invokes the <see cref="OnMouseLeave"/> method.
/// </summary>
private static void OnMouseLeaveProxy(DependencyObject element, MouseDevice device, RoutedEventData data)
{
var uiElement = ((UIElement)element);
uiElement.OnMouseLeave(device, data);
}
/// <summary>
/// Invoked by the <see cref="Touch.TapEvent"/> attached routed event.
/// </summary>
/// <param name="device">The touch device.</param>
/// <param name="fingerID">The identifier of the finger that caused the touch.</param>
/// <param name="x">The x-coordinate of the touch.</param>
/// <param name="y">The y-coordinate of the touch.</param>
/// <param name="data">The routed event metadata for this event invocation.</param>
protected virtual void OnTap(TouchDevice device, Int64 fingerID,
Double x, Double y, RoutedEventData data)
{
}
/// <summary>
/// Invokes the <see cref="OnMouseDown"/> method.
/// </summary>
private static void OnMouseDownProxy(DependencyObject element, MouseDevice device, MouseButton button, RoutedEventData data)
{
((UIElement)element).OnMouseDown(device, button, data);
}
/// <summary>
/// Closes the dialog box when the "Yes" button is clicked.
/// </summary>
/// <param name="dobj">The object that raised the event.</param>
/// <param name="data">The routed event data for this event invocation.</param>
public void HandleClickYes(DependencyObject dobj, ref RoutedEventData data)
{
MessageBoxResult = MessageBoxResult.Yes;
}
