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ui/curses: highlight changed and added items

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rr-
2019-01-14 16:10:26 +01:00
parent 5f34a85c80
commit 555f386b24
9 changed files with 50 additions and 3 deletions
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pqcli/ui/curses/widgets/list_box.py
+15
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@@ -2,12 +2,18 @@ import curses
import enum
import typing as T
from pqcli.ui.curses.colors import COLOR_HIGHLIGHT, has_colors
from .scrollable import Scrollable
class ListBox(Scrollable):
_items: T.List[str]
def __init__(self, parent: T.Any, h: int, w: int, y: int, x: int) -> None:
super().__init__(parent, h, w, y, x)
self._selected: T.Optional[int] = None
def add(self, text: str) -> None:
self._items.append(text)
self.scroll_to_item(-1)
@@ -30,7 +36,16 @@ class ListBox(Scrollable):
def delete(self, idx: int, count: int = 1) -> None:
del self._items[idx : idx + count]
def select(self, idx: T.Optional[int]) -> None:
if idx < 0:
idx %= len(self._items)
self._selected = idx
def _render_impl(self, h: int, w: int) -> None:
assert self._pad
for y, item in enumerate(self._items):
if y == self._selected and has_colors():
self._pad.attron(curses.color_pair(COLOR_HIGHLIGHT))
self._pad.addnstr(y, 0, item, min(len(item), w))
if y == self._selected and has_colors():
self._pad.attroff(curses.color_pair(COLOR_HIGHLIGHT))