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Tweaked filmstrip scrolling to be less jumpy

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Now the centering a thumb happens only if less than half of the next/prev
thumbnail is visible. #5174
This commit is contained in:
Morgan Hardwood
2019-04-01 12:46:56 +02:00
parent 6299abf101
commit aa379308e3
1 changed files with 2 additions and 2 deletions
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4
rtgui/filebrowser.cc
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@@ -1779,7 +1779,7 @@ void FileBrowser::openNextImage()
// scroll only when selected[0] is outside of the displayed bounds // scroll only when selected[0] is outside of the displayed bounds
// or less than a thumbnail's width from either edge. // or less than a thumbnail's width from either edge.
if ((x2 > x1 + ww - 2 * tw) || (x2 - tw < x1)) { if ((x2 > x1 + ww - 1.5 * tw) || (x2 - tw / 2 < x1)) {
setScrollPosition(x2 - (ww - tw) / 2, y2); setScrollPosition(x2 - (ww - tw) / 2, y2);
} }
@@ -1842,7 +1842,7 @@ void FileBrowser::openPrevImage()
// scroll only when selected[0] is outside of the displayed bounds // scroll only when selected[0] is outside of the displayed bounds
// or less than a thumbnail's width from either edge. // or less than a thumbnail's width from either edge.
if ((x2 > x1 + ww - 2 * tw) || (x2 - tw < x1)) { if ((x2 > x1 + ww - 1.5 * tw) || (x2 - tw / 2 < x1)) {
setScrollPosition(x2 - (ww - tw) / 2, y2); setScrollPosition(x2 - (ww - tw) / 2, y2);
} }