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More natural scroll behaviour

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This commit is contained in:
Paddy Xu
2017-07-23 00:44:43 +03:00
parent 86dacf6e73
commit b0e8a29f85
4 changed files with 69 additions and 6 deletions
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16
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
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@@ -56,6 +56,7 @@ namespace QuickLook.Plugin.ImageViewer
viewPanel.MouseLeftButtonDown += ViewPanel_MouseLeftButtonDown;
viewPanel.MouseMove += ViewPanel_MouseMove;
viewPanel.ManipulationInertiaStarting += ViewPanel_ManipulationInertiaStarting;
viewPanel.ManipulationStarting += ViewPanel_ManipulationStarting;
viewPanel.ManipulationDelta += ViewPanel_ManipulationDelta;
}
@@ -128,7 +129,16 @@ namespace QuickLook.Plugin.ImageViewer
private void ImagePanel_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (ZoomToFit)
DoZoomToFit(false);
DoZoomToFit();
}
private void ViewPanel_ManipulationInertiaStarting(object sender, ManipulationInertiaStartingEventArgs e)
{
e.TranslationBehavior = new InertiaTranslationBehavior
{
InitialVelocity = e.InitialVelocities.LinearVelocity,
DesiredDeceleration = 10.0 * 96.0 / (1000.0 * 1000.0)
};
}
private void ViewPanel_ManipulationStarting(object sender, ManipulationStartingEventArgs e)
@@ -220,7 +230,7 @@ namespace QuickLook.Plugin.ImageViewer
viewPanel.ScrollToVerticalOffset(point.Y);
}
public void DoZoomToFit(bool suppressEvent)
public void DoZoomToFit()
{
if (viewPanelImage.Source == null)
return;
@@ -228,7 +238,7 @@ namespace QuickLook.Plugin.ImageViewer
var factor = Math.Min(viewPanel.ActualWidth / viewPanelImage.Source.Width,
viewPanel.ActualHeight / viewPanelImage.Source.Height);
Zoom(factor, true, suppressEvent);
Zoom(factor, true);
}
public void ResetZoom()