feat(tui): add reordering to filter_multiselect
Tab switches focus to the selected-order panel; K/J shift the highlighted item up/down; Space/Enter removes it. The filter list dims while the order panel is active. Help line updates per focus mode.
This commit is contained in:
+115
-36
@@ -306,6 +306,10 @@ def _multiselect_loop(
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query = ""
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cursor = 0
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selected: list[str] = [s for s in initial if s in items]
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# focus = "filter": navigate + toggle items in the filterable list
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# focus = "order": navigate + reorder items in the selected list
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focus = "filter"
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order_cursor = 0
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while True:
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filtered = _filter_items(items, query)
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@@ -315,8 +319,19 @@ def _multiselect_loop(
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elif cursor >= len(filtered):
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cursor = len(filtered) - 1
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if not selected:
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order_cursor = 0
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if focus == "order":
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focus = "filter"
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elif order_cursor >= len(selected):
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order_cursor = len(selected) - 1
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try:
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_render_multiselect(screen, filtered, cursor, query=query, title=title, selected=selected)
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_render_multiselect(
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screen, filtered, cursor,
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query=query, title=title, selected=selected,
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focus=focus, order_cursor=order_cursor,
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)
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except curses.error:
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return None
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@@ -331,31 +346,70 @@ def _multiselect_loop(
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if key == _KEY_CTRL_D:
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return list(selected)
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if key in (curses.KEY_ENTER, _KEY_ENTER_ALT, ord("\r"), _KEY_SPACE):
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if filtered:
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item = filtered[cursor]
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if item in selected:
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selected.remove(item)
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else:
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selected.append(item)
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# Tab toggles between filter and order focus.
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if key == ord("\t"):
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if focus == "filter" and selected:
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focus = "order"
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order_cursor = 0
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else:
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focus = "filter"
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continue
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elif key in (curses.KEY_UP, ord("k")):
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if cursor > 0:
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cursor -= 1
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if focus == "filter":
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if key in (curses.KEY_ENTER, _KEY_ENTER_ALT, ord("\r"), _KEY_SPACE):
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if filtered:
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item = filtered[cursor]
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if item in selected:
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selected.remove(item)
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else:
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selected.append(item)
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elif key in (curses.KEY_DOWN, ord("j")):
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if cursor < len(filtered) - 1:
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cursor += 1
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elif key in (curses.KEY_UP, ord("k")):
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if cursor > 0:
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cursor -= 1
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elif key in (curses.KEY_BACKSPACE, _KEY_BACKSPACE_WIN, 127):
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query = query[:-1]
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new_filtered = _filter_items(items, query)
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if cursor >= len(new_filtered):
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cursor = max(0, len(new_filtered) - 1)
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elif key in (curses.KEY_DOWN, ord("j")):
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if cursor < len(filtered) - 1:
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cursor += 1
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elif 32 <= key <= 126 and key != _KEY_SPACE:
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query += chr(key)
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cursor = 0
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elif key in (curses.KEY_BACKSPACE, _KEY_BACKSPACE_WIN, 127):
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query = query[:-1]
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new_filtered = _filter_items(items, query)
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if cursor >= len(new_filtered):
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cursor = max(0, len(new_filtered) - 1)
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elif 32 <= key <= 126 and key != _KEY_SPACE:
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query += chr(key)
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cursor = 0
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else: # focus == "order"
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if key in (curses.KEY_UP, ord("k")):
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if order_cursor > 0:
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order_cursor -= 1
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elif key in (curses.KEY_DOWN, ord("j")):
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if order_cursor < len(selected) - 1:
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order_cursor += 1
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elif key == ord("K"):
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# Move selected item up (earlier in order).
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if order_cursor > 0:
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i = order_cursor
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selected[i - 1], selected[i] = selected[i], selected[i - 1]
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order_cursor -= 1
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elif key == ord("J"):
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# Move selected item down (later in order).
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if order_cursor < len(selected) - 1:
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i = order_cursor
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selected[i], selected[i + 1] = selected[i + 1], selected[i]
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order_cursor += 1
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elif key in (curses.KEY_ENTER, _KEY_ENTER_ALT, ord("\r"), _KEY_SPACE):
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# Remove item from selection while in order mode.
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del selected[order_cursor]
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if order_cursor >= len(selected) and order_cursor > 0:
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order_cursor -= 1
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def _render_multiselect(
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@@ -366,6 +420,8 @@ def _render_multiselect(
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query: str,
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title: str,
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selected: list[str],
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focus: str = "filter",
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order_cursor: int = 0,
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) -> None:
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screen.erase()
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rows, cols = screen.getmaxyx()
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@@ -374,56 +430,79 @@ def _render_multiselect(
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if rows < min_rows:
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raise curses.error("terminal too small")
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sep = "─" * min(cols - 1, 40)
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row = 0
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if title and row < rows - 1:
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_addstr_safe(screen, row, 0, title[:cols - 1], curses.A_BOLD)
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row += 1
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# Filter line — dim when focus is on the order panel.
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filter_label = f"Filter: {query}"
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filter_hint = " [Tab: reorder]" if focus == "filter" and selected else ""
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filter_attr = curses.A_DIM if focus == "order" else curses.A_NORMAL
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if row < rows - 1:
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_addstr_safe(screen, row, 0, filter_label[:cols - 1])
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_addstr_safe(screen, row, 0, (filter_label + filter_hint)[:cols - 1], filter_attr)
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row += 1
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sep = "─" * min(cols - 1, 40)
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if row < rows - 1:
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_addstr_safe(screen, row, 0, sep)
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row += 1
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# Reserve rows for: sep + selected-line + sep + help-line = 4
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# Compute how many rows the bottom order panel needs.
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# Cap the visible selected list to keep the filter list legible.
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order_rows = min(len(selected), max(1, (rows - row) // 3)) if selected else 0
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# Bottom reserved: sep + order_rows + sep + help = order_rows + 3
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bottom_reserved = order_rows + 3
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list_start = row
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list_rows = rows - list_start - 4
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list_rows = rows - list_start - bottom_reserved
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if list_rows < 1:
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return
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list_rows = 1
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selected_set = set(selected)
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filter_dim = focus == "order"
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scroll = max(0, cursor - list_rows + 1)
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visible = filtered[scroll: scroll + list_rows]
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for idx, item in enumerate(visible):
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abs_idx = scroll + idx
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mark = "[*]" if item in selected_set else "[ ]"
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prefix = "> " if abs_idx == cursor else " "
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prefix = "> " if (abs_idx == cursor and focus == "filter") else " "
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line = (prefix + mark + " " + item)[:cols - 1]
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attr = curses.A_REVERSE if abs_idx == cursor else curses.A_NORMAL
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if row < rows - 4:
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_addstr_safe(screen, row, 0, line, attr)
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item_attr = curses.A_DIM if filter_dim else (
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curses.A_REVERSE if abs_idx == cursor else curses.A_NORMAL
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)
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if row < rows - bottom_reserved:
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_addstr_safe(screen, row, 0, line, item_attr)
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row += 1
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if row < rows - 3:
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# Separator before the order panel.
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if row < rows - (order_rows + 2):
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_addstr_safe(screen, row, 0, sep)
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row += 1
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selected_summary = "Selected (in order): " + (", ".join(selected) if selected else "(none)")
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if row < rows - 2:
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_addstr_safe(screen, row, 0, selected_summary[:cols - 1])
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# Order panel.
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order_scroll = max(0, order_cursor - order_rows + 1)
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order_visible = selected[order_scroll: order_scroll + order_rows]
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for idx, item in enumerate(order_visible):
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abs_idx = order_scroll + idx
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is_active = focus == "order" and abs_idx == order_cursor
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prefix = "> " if is_active else " "
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line = (prefix + item)[:cols - 1]
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attr = curses.A_REVERSE if is_active else curses.A_NORMAL
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if row < rows - 2:
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_addstr_safe(screen, row, 0, line, attr)
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row += 1
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if row < rows - 1:
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_addstr_safe(screen, row, 0, sep)
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row += 1
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help_line = "[↑↓/jk] move [Space/Enter] toggle [Ctrl-D] done [Esc/q] cancel"
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if focus == "filter":
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help_line = "[↑↓/jk] move [Space/Enter] toggle [Tab] reorder [Ctrl-D] done [Esc/q] cancel"
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else:
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help_line = "[↑↓/jk] cursor [K/J] reorder [Space/Enter] remove [Tab] back [Ctrl-D] done"
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if row < rows:
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_addstr_safe(screen, min(rows - 1, row), 0, help_line[:cols - 1])
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