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add more logic to scrolling the scrollbar to get a bit nicer view

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This commit is contained in:
Huy Pham 2020-04-29 17:09:17 -07:00
parent e9ca4a5b58
commit 64657b20a8
1 changed files with 7 additions and 1 deletions
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8
daemon/core/gui/dialogs/find.py
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@ -141,8 +141,14 @@ class FindDialog(Dialog):
# calculate the node's location
# (as fractions of white canvas's width and height)
# and instantly scroll the x and y scrollbar to that location
# looks a bit ugly when zoom too much
xscroll_fraction = abs(x0 - _x) / abs(x0 - x1)
yscroll_fraction = abs(y0 - _y) / abs(y0 - y1)
# scroll a little more to the left or a little bit up so that the node
# doesn't always fall in the most top-left corner
for i in range(2):
if xscroll_fraction > 0.05:
xscroll_fraction = xscroll_fraction - 0.05
if yscroll_fraction > 0.05:
yscroll_fraction = yscroll_fraction - 0.05
self.app.canvas.xview_moveto(xscroll_fraction)
self.app.canvas.yview_moveto(yscroll_fraction)