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ui/curses: fix scrollable visual glitches

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rr-
2019-01-04 15:44:51 +01:00
parent 8b38eeecac
commit 5bdfc2ed25
1 changed files with 13 additions and 4 deletions
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pqcli/ui/curses/widgets/scrollable.py
+13 -4
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@@ -42,6 +42,9 @@ class Scrollable(WindowWrapper):
else: else:
self._pad.resize(1, 1) self._pad.resize(1, 1)
self._win.erase()
self._win.noutrefresh()
self._pad.erase() self._pad.erase()
h, w = self.getmaxyx() h, w = self.getmaxyx()
y, x = self.getbegyx() y, x = self.getbegyx()
@@ -50,10 +53,16 @@ class Scrollable(WindowWrapper):
if self._scroll_y > 0 or self._scroll_y + h < len(self._items): if self._scroll_y > 0 or self._scroll_y + h < len(self._items):
y1 = self._scroll_y y1 = self._scroll_y
y2 = self._scroll_y + h y2 = self._scroll_y + h
win_y1 = int(y1 * h // len(self._items)) thumb_y1 = int(y1 * h // len(self._items))
win_y2 = int(y2 * h // len(self._items)) thumb_y2 = int(y2 * h // len(self._items))
for win_y in range(win_y1, win_y2): for win_y in range(h):
self._win.chgat(win_y, 0, curses.A_REVERSE) self._win.chgat(
win_y,
w - 1,
curses.A_REVERSE
if thumb_y1 <= win_y <= thumb_y2
else curses.A_NORMAL,
)
self._win.noutrefresh() self._win.noutrefresh()
self._render_impl(h, w - 1) self._render_impl(h, w - 1)