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Add support for deleting an Input word leftward

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This commit is contained in:
Dave Pearson
2023-01-26 21:35:36 +00:00
parent 2fa0956227
commit 0675b40ae8
1 changed files with 16 additions and 0 deletions
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16
src/textual/widgets/_input.py
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@@ -90,6 +90,9 @@ class Input(Widget, can_focus=True):
Binding("end,ctrl+e", "end", "end", show=False),
Binding("enter", "submit", "submit", show=False),
Binding("backspace", "delete_left", "delete left", show=False),
Binding(
"ctrl+w", "delete_left_word", "delete left to start of word", show=False
),
Binding("ctrl+u", "delete_left_all", "delete all to the left", show=False),
Binding("delete,ctrl+d", "delete_right", "delete right", show=False),
Binding("ctrl+k", "delete_right_all", "delete all to the right", show=False),
@@ -360,6 +363,19 @@ class Input(Widget, can_focus=True):
self.value = f"{before}{after}"
self.cursor_position = delete_position
def action_delete_left_word(self) -> None:
"""Delete leftward of the cursor position to the start of a word."""
if self.cursor_position <= 0:
return
after = self.value[self.cursor_position :]
try:
*_, hit = re.finditer(self._WORD_START, self.value[: self.cursor_position])
except ValueError:
self.cursor_position = 0
else:
self.cursor_position = hit.start()
self.value = f"{self.value[: self.cursor_position]}{after}"
def action_delete_left_all(self) -> None:
"""Delete all characters to the left of the cursor position."""
if self.cursor_position > 0: