public void Stop()
{
SoundOutManager.Stop();
_panSource = null;
_source = null;
RaiseUpdated();
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
isMouseDown = false;
if (interactionState == InteractionState.Selection)
{
selectedElements = GetElementsByRectangle(SelectionRectangle);
interactionState = InteractionState.None;
Cursor = Cursors.Default;
}
else if (interactionState == InteractionState.Pan)
{
if (panSource == PanSource.Mouse)
{
interactionState = InteractionState.None;
panSource = PanSource.None;
Cursor = Cursors.Default;
}
else if (panSource == PanSource.Keyboard)
{
Cursor = CursorHelper.LoadFromResource(Properties.Resources.grab);
}
}
else
{
interactionState = InteractionState.None;
Cursor = Cursors.Default;
}
Refresh();
}
/// <summary>
/// Plays the sound.
/// </summary>
/// <param name="source">The WaveSource.</param>
private void Play(IWaveSource source)
{
Stop();
var panSource = new PanSource(source);
_panSource = panSource;
_directSoundOut.Initialize(panSource.ToWaveSource());
_directSoundOut.Play();
}
private async Task <bool> HandlePan(PanSource panSource, double panDelta)
{
// Stop the kinetic scrolling while the finger is on the screen
if (panSource != PanSource.KineticScroll)
{
_bottomViewContainer.AbortAnimation(KineticScrollAnimationName);
}
if (_bottomViewContainer.ScrollY >= 0.0d && _bottomViewPanDirection == Direction.up && _proportionalTopViewHeight <= _proportionalTopViewHeightMin)
{
var bottomViewScrollY = _bottomViewContainer.ScrollY + (-panDelta);
bottomViewScrollY = Clamp(bottomViewScrollY, 0.0d, _bottomViewContainer.Content.Height - _bottomViewContainer.Height);
DebugWriteLine($"Scrolling up to: {bottomViewScrollY}");
await _bottomViewContainer.ScrollToAsync(0.0d, bottomViewScrollY, false);
return(true);
}
else if (_bottomViewContainer.ScrollY > 0.0d && _bottomViewPanDirection == Direction.down && _proportionalTopViewHeight <= _proportionalTopViewHeightMin)
{
var bottomViewScrollY = _bottomViewContainer.ScrollY + (-panDelta);
bottomViewScrollY = Clamp(bottomViewScrollY, 0.0d, _bottomViewContainer.Content.Height - _bottomViewContainer.Height);
DebugWriteLine($"Scrolling down to: {bottomViewScrollY}");
await _bottomViewContainer.ScrollToAsync(0.0d, bottomViewScrollY, false);
return(true);
}
else
{
// Don't increase if already at maximum && don't decrease if already at minimum
if (panDelta > 0.0d && _proportionalTopViewHeight >= _proportionalTopViewHeightMax ||
panDelta < 0.0d && _proportionalTopViewHeight <= _proportionalTopViewHeightMin)
{
return(false);
}
// Don't expand/collapse during kinetic scrolling if not desired
if (panSource == PanSource.KineticScroll && !ShouldExpandFromKineticScroll)
{
return(false);
}
DebugWriteLine($"Panning {_bottomViewPanDirection} to {_panTotal}");
_panTotal += panDelta;
_relativeLayout.ForceLayout();
return(true);
}
}
/// <summary>
/// Plays the wave source.
/// </summary>
/// <param name="waveSource">The WaveSource.</param>
internal void Play(IWaveSource waveSource)
{
var panSource = new PanSource(waveSource);
_panSource = panSource;
_currentWaveSource = panSource.ToWaveSource();
_sourceVoice = StreamingSourceVoice.Create(_xaudio2, _currentWaveSource);
StreamingSourceVoiceListener.Default.Add(_sourceVoice);
_playbackState = PlaybackState.Playing;
IsPlaying = true;
if (PlaybackChanged != null)
{
PlaybackChanged(this, EventArgs.Empty);
}
}
protected override void OnKeyUp(KeyEventArgs e)
{
base.OnKeyUp(e);
if (e.KeyData == Keys.Space)
{
if (interactionState == InteractionState.Pan)
{
interactionState = InteractionState.None;
panSource = PanSource.None;
Cursor = Cursors.Default;
Refresh();
}
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
base.OnKeyDown(e);
if (e.KeyData == Keys.Space)
{
if (interactionState == InteractionState.None)
{
interactionState = InteractionState.Pan;
panSource = PanSource.Keyboard;
Cursor = CursorHelper.LoadFromResource(Properties.Resources.grab);
Refresh();
}
}
}
public bool OpenFile(string filename, Func <IWaveSource, IWaveSource> oninitcallback)
{
if (String.IsNullOrWhiteSpace(filename))
{
throw new ArgumentException("filename");
}
try
{
var source = CodecFactory.Instance.GetCodec(filename);
source = new LoopStream(source);
(source as LoopStream).EnableLoop = false;
if (source.WaveFormat.Channels == 1)
{
source = new MonoToStereoSource(source).ToWaveSource(16);
}
_panSource = new PanSource(source)
{
Pan = this.Pan
};
var _notification = new SimpleNotificationSource(_panSource);
_notification.DataRead += OnNotification;
source = _notification.ToWaveSource(16);
//source = new BufferSource(source, source.WaveFormat.BytesPerSecond * 2);
_source = source;
if (oninitcallback != null)
{
SoundOutManager.Initialize(oninitcallback(source));
}
else
{
SoundOutManager.Initialize(source);
}
}
catch (Exception)
{
return(false);
}
RaiseUpdated();
return(true);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
controlMouseDownLocation = e.Location;
isMouseDown = true;
bool needsRefresh = false;
mouseHitsSelection = false;
if (e.Button == MouseButtons.Left)
{
// resize
if (interactionState == InteractionState.None && selectedElements != null && selectedElements.Count == 1)
{
LayoutProperties layoutProperties = new LayoutProperties();
layoutProperties.DesignAreaLocation = DesignAreaLocation;
layoutProperties.DesignAreaSize = DesignAreaSize;
layoutProperties.ViewportLocation = ViewportLocation;
layoutProperties.ViewportSize = ViewportSize;
layoutProperties.ZoomRatio = ZoomRatio;
foreach (LayoutElement selectedElement in selectedElements)
{
TransformHandle transformHandle = DesignerHelper.GetTransformHandleType(selectedElement, layoutProperties, e.Location);
if (transformHandle != TransformHandle.None)
{
this.transformHandle = transformHandle;
interactionState = InteractionState.SizeAttempt;
needsRefresh = true;
}
}
}
// click selection
if (interactionState == InteractionState.None)
{
LayoutElement element = GetElementByLocation(controlMouseDownLocation);
if (element != null)
{
mouseHitsSelection = true;
if (KeyboardHelper.IsShiftKeyPressed)
{
if (!IsElementInSelection(element))
{
AddElementToSelection(element);
}
else
{
RemoveElementFromSelection(element);
}
}
else
{
if (!IsElementInSelection(element))
{
ClearSelection();
AddElementToSelection(element);
}
}
needsRefresh = true;
}
else
{
if (!KeyboardHelper.IsShiftKeyPressed)
{
ClearSelection();
needsRefresh = true;
}
}
}
}
if (e.Button == MouseButtons.Middle || interactionState == InteractionState.Pan)
{
interactionState = InteractionState.Pan;
if (panSource == PanSource.None)
{
panSource = PanSource.Mouse;
}
oldViewportLocation = ViewportLocation;
Cursor = CursorHelper.LoadFromResource(Properties.Resources.grabbing);
needsRefresh = true;
}
if (needsRefresh)
{
Refresh();
}
}