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Fix scrolling to fast on a precision touchpad

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This commit is contained in:
Paddy Xu
2017-05-30 00:19:40 +03:00
parent 4dafe7eebe
commit 43e67356f2
2 changed files with 24 additions and 9 deletions
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14
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
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@@ -92,12 +92,18 @@ namespace QuickLook.Plugin.ImageViewer
private void ViewPanel_PreviewMouseWheel(object sender, MouseWheelEventArgs e) private void ViewPanel_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{ {
if ((Keyboard.Modifiers & ModifierKeys.Control) == 0)
return;
e.Handled = true; e.Handled = true;
var newZoom = _zoomFactor + e.Delta / 120 * 0.1; if ((Keyboard.Modifiers & ModifierKeys.Control) == 0)
{
// normal scroll
viewPanel.ScrollToVerticalOffset(viewPanel.VerticalOffset - e.Delta);
return;
}
// zoom
var newZoom = _zoomFactor + (double) e.Delta / 120 * 0.1;
newZoom = Math.Max(newZoom, _minZoomFactor); newZoom = Math.Max(newZoom, _minZoomFactor);
newZoom = Math.Min(newZoom, 3); newZoom = Math.Min(newZoom, 3);

19
QuickLook.Plugin/QuickLook.Plugin.PDFViewer/PdfViewerControl.xaml.cs
View File

@@ -79,19 +79,28 @@ namespace QuickLook.Plugin.PDFViewer
if (Keyboard.Modifiers != ModifierKeys.None) if (Keyboard.Modifiers != ModifierKeys.None)
return; return;
e.Handled = true;
if (e.Delta > 0) // up if (e.Delta > 0) // up
{ {
if (pageViewPanel.VerticalOffset != 0) return; if (pageViewPanel.VerticalOffset != 0)
{
pageViewPanel.ScrollToVerticalOffset(pageViewPanel.VerticalOffset - e.Delta); // normal scroll
return;
}
PrevPage(); PrevPage();
e.Handled = true;
} }
else // down else // down
{ {
if (pageViewPanel.VerticalOffset != pageViewPanel.ScrollableHeight) return; if (pageViewPanel.VerticalOffset != pageViewPanel.ScrollableHeight)
{
pageViewPanel.ScrollToVerticalOffset(pageViewPanel.VerticalOffset - e.Delta); // normal scroll
return;
}
NextPage(); NextPage();
e.Handled = true;
} }
} }
@@ -278,7 +287,7 @@ namespace QuickLook.Plugin.PDFViewer
e.Handled = true; e.Handled = true;
newZoom = newZoom + e.Delta / 120 * 0.1; newZoom = newZoom + (double) e.Delta / 120 * 0.1;
newZoom = Math.Max(newZoom, MinZoomFactor); newZoom = Math.Max(newZoom, MinZoomFactor);
newZoom = Math.Min(newZoom, 3); newZoom = Math.Min(newZoom, 3);