* Fixed inconsistent mouse wheel scrolling behavior

diff --git a/ffpreview.py b/ffpreview.py
index b8b2baf4c6aba84e6a3110f100d261c9e60655f1..83ee7366fc40703e4da0d37eadfbfb87797b0372 100755 (executable)
--- a/ffpreview.py
+++ b/ffpreview.py
@@ -426,8 +426,7 @@ class tScrollArea(QScrollArea):
         if tlwidth < 1 or tlheight < 1:
             return
         rows = int(self.viewport().height() / tlheight + 0.5)
-        self.verticalScrollBar().setPageStep(tlheight)
-        self.verticalScrollBar().setSingleStep(tlheight)
+        self.verticalScrollBar().setPageStep(self.verticalScrollBar().maximum() / rows * tlheight)
         cfg['grid_rows'] = rows
         cols = int((self.viewport().width()) / tlwidth)
         if cols < 1: