61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
"""Shared layout helpers for section builders."""
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from __future__ import annotations
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from typing import TypeAlias
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from PyQt6.QtWidgets import QFormLayout, QHBoxLayout, QWidget
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FormLabel: TypeAlias = str | QWidget
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FormRow: TypeAlias = QWidget | tuple[FormLabel, QWidget]
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def build_two_column_form_widget(
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parent: QWidget,
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rows: list[FormRow],
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*,
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split_index: int | None = None,
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) -> QWidget:
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"""Build one widget containing two side-by-side form columns."""
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panel = QWidget(parent)
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panel_layout = QHBoxLayout(panel)
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panel_layout.setContentsMargins(0, 0, 0, 0)
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panel_layout.setSpacing(12)
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left_column = QWidget(panel)
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left_form = _create_form_layout(left_column)
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right_column = QWidget(panel)
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right_form = _create_form_layout(right_column)
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panel_layout.addWidget(left_column, stretch=1)
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panel_layout.addWidget(right_column, stretch=1)
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actual_split_index = (len(rows) + 1) // 2 if split_index is None else split_index
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actual_split_index = max(0, min(actual_split_index, len(rows)))
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for row in rows[:actual_split_index]:
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_add_form_row(left_form, row)
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for row in rows[actual_split_index:]:
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_add_form_row(right_form, row)
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return panel
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def _create_form_layout(parent: QWidget) -> QFormLayout:
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"""Create a compact growing form layout for one column."""
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form = QFormLayout(parent)
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form.setContentsMargins(0, 0, 0, 0)
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form.setHorizontalSpacing(10)
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form.setVerticalSpacing(6)
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form.setFieldGrowthPolicy(QFormLayout.FieldGrowthPolicy.AllNonFixedFieldsGrow)
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return form
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def _add_form_row(form: QFormLayout, row: FormRow) -> None:
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"""Append one form row, with or without an explicit label."""
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if isinstance(row, tuple):
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label, field = row
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form.addRow(label, field)
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return
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form.addRow(row)
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