mirror of
https://github.com/ratatui-org/ratatui
synced 2024-11-13 00:17:11 +00:00
dc8d0587ec
Fixes https://github.com/ratatui-org/ratatui/issues/1250 Adds support for selecting a column and cell in `TableState`. The selected column, and cells style can be set by `Table::column_highlight_style` and `Table::cell_highlight_style` respectively. The table example has also been updated to display the new functionality: https://github.com/user-attachments/assets/e5fd2858-4931-4ce1-a2f6-a5ea1eacbecc BREAKING CHANGE: The Serialized output of the state will now include the "selected_column" field. Software that manually parse the serialized the output (with anything other than the `Serialize` implementation on `TableState`) may have to be refactored if the "selected_column" field is not accounted for. This does not affect users who rely on the `Deserialize`, or `Serialize` implementation on the state. BREAKING CHANGE: The `Table::highlight_style` is now deprecated in favor of `Table::row_highlight_style`. --------- Co-authored-by: Orhun Parmaksız <orhunparmaksiz@gmail.com>
844 lines
33 KiB
Rust
844 lines
33 KiB
Rust
#![allow(deprecated)]
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use ratatui::{
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backend::TestBackend,
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buffer::Buffer,
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layout::Constraint,
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style::{Color, Modifier, Style},
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text::{Line, Span},
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widgets::{Block, Borders, Cell, HighlightSpacing, Row, Table, TableState},
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Terminal,
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};
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use rstest::rstest;
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#[rstest]
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#[case::no_space_between_columns(0, [
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"┌────────────────────────────┐",
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"│Head1Head2Head3 │",
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"│ │",
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"│Row11Row12Row13 │",
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"│Row21Row22Row23 │",
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"│Row31Row32Row33 │",
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"│Row41Row42Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::one_space_between_columns(1, [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::large_width_just_before_pushing_a_column_off(6, [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::large_width_pushes_part_of_third_column_off(7, [
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"┌────────────────────────────┐",
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"│Head1 Head Head3│",
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"│ │",
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"│Row11 Row1 Row13│",
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"│Row21 Row2 Row23│",
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"│Row31 Row3 Row33│",
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"│Row41 Row4 Row43│",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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fn widgets_table_column_spacing_can_be_changed<'line, Lines>(
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#[case] column_spacing: u16,
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#[case] expected: Lines,
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) where
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Lines: IntoIterator,
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Lines::Item: Into<Line<'line>>,
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{
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let table = Table::new(
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vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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],
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[
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Constraint::Length(5),
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Constraint::Length(5),
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Constraint::Length(5),
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],
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)
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::bordered())
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.column_spacing(column_spacing);
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f.render_widget(table, f.area());
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})
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.unwrap();
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terminal.backend().assert_buffer_lines(expected);
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}
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#[rstest]
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#[case::zero_width_shows_nothing( &[
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Constraint::Length(0),
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Constraint::Length(0),
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Constraint::Length(0),
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], [
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::slim_columns_trim_data(&[
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Constraint::Length(1),
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Constraint::Length(1),
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Constraint::Length(1),
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], [
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"┌────────────────────────────┐",
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"│H H H │",
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"│ │",
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"│R R R │",
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"│R R R │",
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"│R R R │",
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"│R R R │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::large_width_just_before_pushing_a_column_off(&[
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Constraint::Length(8),
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Constraint::Length(8),
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Constraint::Length(8),
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], [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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fn widgets_table_columns_widths_can_use_fixed_length_constraints<'line, Lines>(
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#[case] widths: &[Constraint],
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#[case] expected: Lines,
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) where
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Lines: IntoIterator,
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Lines::Item: Into<Line<'line>>,
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{
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let table = Table::new(
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vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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],
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widths,
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)
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::bordered());
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f.render_widget(table, f.area());
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})
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.unwrap();
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terminal.backend().assert_buffer_lines(expected);
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}
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#[rstest]
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#[case::zero_width_shows_nothing(&[
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Constraint::Percentage(0),
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Constraint::Percentage(0),
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Constraint::Percentage(0),
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], [
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::slim_columns_trim_data(&[
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Constraint::Percentage(11),
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Constraint::Percentage(11),
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Constraint::Percentage(11),
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], [
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"┌────────────────────────────┐",
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"│HeaHeaHea │",
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"│ │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::large_width_just_before_pushing_a_column_off(&[
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Constraint::Percentage(33),
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Constraint::Percentage(33),
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Constraint::Percentage(33),
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], [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::sum_100_equal_widths(&[Constraint::Percentage(50), Constraint::Percentage(50)], [
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"┌────────────────────────────┐",
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"│Head1 Head2 │",
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"│ │",
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"│Row11 Row12 │",
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"│Row21 Row22 │",
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"│Row31 Row32 │",
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"│Row41 Row42 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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fn widgets_table_columns_widths_can_use_percentage_constraints<'line, Lines>(
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#[case] widths: &[Constraint],
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#[case] expected: Lines,
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) where
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Lines: IntoIterator,
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Lines::Item: Into<Line<'line>>,
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{
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let table = Table::new(
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vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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],
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widths,
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)
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::bordered())
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.column_spacing(0);
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f.render_widget(table, f.area());
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})
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.unwrap();
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terminal.backend().assert_buffer_lines(expected);
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}
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#[rstest]
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#[case::zero_width_shows_nothing(&[
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Constraint::Percentage(0),
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Constraint::Length(0),
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Constraint::Percentage(0),
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], [
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::slim_columns_trim_data(&[
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Constraint::Percentage(11),
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Constraint::Length(20),
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Constraint::Percentage(11),
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], [
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"┌────────────────────────────┐",
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"│Hea Head2 Hea│",
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"│ │",
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"│Row Row12 Row│",
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"│Row Row22 Row│",
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"│Row Row32 Row│",
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"│Row Row42 Row│",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::large_width_just_before_pushing_a_column_off(&[
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Constraint::Percentage(33),
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Constraint::Length(10),
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Constraint::Percentage(33),
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], [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::more_than_100(&[
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Constraint::Percentage(60),
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Constraint::Length(10),
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Constraint::Percentage(60),
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], [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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fn widgets_table_columns_widths_can_use_mixed_constraints<'line, Lines>(
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#[case] widths: &[Constraint],
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#[case] expected: Lines,
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) where
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Lines: IntoIterator,
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Lines::Item: Into<Line<'line>>,
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{
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let table = Table::new(
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vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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],
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widths,
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)
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::bordered());
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f.render_widget(table, f.area());
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})
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.unwrap();
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terminal.backend().assert_buffer_lines(expected);
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}
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#[rstest]
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#[case::zero_shows_nothing(&[
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Constraint::Ratio(0, 1),
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Constraint::Ratio(0, 1),
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Constraint::Ratio(0, 1),
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], [
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::slim_trims_data(&[
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Constraint::Ratio(1, 9),
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Constraint::Ratio(1, 9),
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Constraint::Ratio(1, 9),
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], [
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"┌────────────────────────────┐",
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"│HeaHeaHea │",
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"│ │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::three(&[Constraint::Ratio(1, 3), Constraint::Ratio(1, 3), Constraint::Ratio(1, 3)], [
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
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#[case::two(&[Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)], [
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"┌────────────────────────────┐",
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"│Head1 Head2 │",
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"│ │",
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"│Row11 Row12 │",
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"│Row21 Row22 │",
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"│Row31 Row32 │",
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"│Row41 Row42 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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])]
|
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fn widgets_table_columns_widths_can_use_ratio_constraints<'line, Lines>(
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#[case] widths: &[Constraint],
|
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#[case] expected: Lines,
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) where
|
|
Lines: IntoIterator,
|
|
Lines::Item: Into<Line<'line>>,
|
|
{
|
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let backend = TestBackend::new(30, 10);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
terminal
|
|
.draw(|f| {
|
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let table = Table::new(
|
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vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
|
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Row::new(vec!["Row21", "Row22", "Row23"]),
|
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Row::new(vec!["Row31", "Row32", "Row33"]),
|
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Row::new(vec!["Row41", "Row42", "Row43"]),
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],
|
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widths,
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)
|
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
|
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.block(Block::bordered())
|
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.column_spacing(0);
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f.render_widget(table, f.area());
|
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})
|
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.unwrap();
|
|
terminal.backend().assert_buffer_lines(expected);
|
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}
|
|
|
|
#[rstest]
|
|
#[case::none(
|
|
None,
|
|
[
|
|
"┌────────────────────────────┐",
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│Row11 Row12 Row13 │",
|
|
"│Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│Row31 Row32 Row33 │",
|
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"└────────────────────────────┘",
|
|
],
|
|
)]
|
|
#[case::first(
|
|
Some(0),
|
|
[
|
|
"┌────────────────────────────┐",
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│>> Row11 Row12 Row13 │",
|
|
"│ Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│ Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
],
|
|
)]
|
|
#[case::second_no_partially_fourth(
|
|
Some(1),
|
|
[
|
|
"┌────────────────────────────┐",
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│ Row11 Row12 Row13 │",
|
|
"│>> Row21 Row22 Row23 │",
|
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"│ │",
|
|
"│ Row31 Row32 Row33 │",
|
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"└────────────────────────────┘",
|
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],
|
|
)]
|
|
#[case::fourth_no_partially_first(
|
|
Some(3),
|
|
[
|
|
"┌────────────────────────────┐",
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│ Row31 Row32 Row33 │",
|
|
"│>> Row41 Row42 Row43 │",
|
|
"│ │",
|
|
"│ │",
|
|
"└────────────────────────────┘",
|
|
],
|
|
)]
|
|
fn widgets_table_can_have_rows_with_multi_lines<'line, Lines>(
|
|
#[case] selected: Option<usize>,
|
|
#[case] expected: Lines,
|
|
) where
|
|
Lines: IntoIterator,
|
|
Lines::Item: Into<Line<'line>>,
|
|
{
|
|
let mut state = TableState::new().with_selected(selected);
|
|
let backend = TestBackend::new(30, 8);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
terminal
|
|
.draw(|f| {
|
|
let table = Table::new(
|
|
vec![
|
|
Row::new(vec!["Row11", "Row12", "Row13"]),
|
|
Row::new(vec!["Row21", "Row22", "Row23"]).height(2),
|
|
Row::new(vec!["Row31", "Row32", "Row33"]),
|
|
Row::new(vec!["Row41", "Row42", "Row43"]).height(2),
|
|
],
|
|
[
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
|
|
.block(Block::bordered())
|
|
.highlight_symbol(">> ")
|
|
.column_spacing(1);
|
|
f.render_stateful_widget(table, f.area(), &mut state);
|
|
})
|
|
.unwrap();
|
|
terminal.backend().assert_buffer_lines(expected);
|
|
}
|
|
|
|
#[rstest]
|
|
#[case::none_when_selected(None, HighlightSpacing::WhenSelected, [
|
|
"┌────────────────────────────┐",
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│Row11 Row12 Row13 │",
|
|
"│Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
])]
|
|
#[case::none_always(
|
|
None, HighlightSpacing::Always, [
|
|
"┌────────────────────────────┐",
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│ Row11 Row12 Row13 │",
|
|
"│ Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│ Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
])]
|
|
#[case::none_never(None, HighlightSpacing::Never, [
|
|
"┌────────────────────────────┐",
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│Row11 Row12 Row13 │",
|
|
"│Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
])]
|
|
#[case::first_when_selected(Some(0), HighlightSpacing::WhenSelected, [
|
|
"┌────────────────────────────┐",
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│>> Row11 Row12 Row13 │",
|
|
"│ Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│ Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
])]
|
|
#[case::first_always(Some(0), HighlightSpacing::Always, [
|
|
"┌────────────────────────────┐",
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│>> Row11 Row12 Row13 │",
|
|
"│ Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│ Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
])]
|
|
#[case::first_never(Some(0), HighlightSpacing::Never, [
|
|
"┌────────────────────────────┐",
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│Row11 Row12 Row13 │",
|
|
"│Row21 Row22 Row23 │",
|
|
"│ │",
|
|
"│Row31 Row32 Row33 │",
|
|
"└────────────────────────────┘",
|
|
])]
|
|
fn widgets_table_enable_always_highlight_spacing<'line, Lines>(
|
|
#[case] selected: Option<usize>,
|
|
#[case] space: HighlightSpacing,
|
|
#[case] expected: Lines,
|
|
) where
|
|
Lines: IntoIterator,
|
|
Lines::Item: Into<Line<'line>>,
|
|
{
|
|
let mut state = TableState::new().with_selected(selected);
|
|
let backend = TestBackend::new(30, 8);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
terminal
|
|
.draw(|f| {
|
|
let table = Table::new(
|
|
vec![
|
|
Row::new(vec!["Row11", "Row12", "Row13"]),
|
|
Row::new(vec!["Row21", "Row22", "Row23"]).height(2),
|
|
Row::new(vec!["Row31", "Row32", "Row33"]),
|
|
Row::new(vec!["Row41", "Row42", "Row43"]).height(2),
|
|
],
|
|
[
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
|
|
.block(Block::bordered())
|
|
.highlight_symbol(">> ")
|
|
.highlight_spacing(space)
|
|
.column_spacing(1);
|
|
f.render_stateful_widget(table, f.area(), &mut state);
|
|
})
|
|
.unwrap();
|
|
terminal.backend().assert_buffer_lines(expected);
|
|
}
|
|
|
|
#[test]
|
|
fn widgets_table_can_have_elements_styled_individually() {
|
|
let backend = TestBackend::new(30, 4);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
let mut state = TableState::default();
|
|
state.select(Some(0));
|
|
state.select_column(Some(1));
|
|
terminal
|
|
.draw(|f| {
|
|
let table = Table::new(
|
|
vec![
|
|
Row::new(vec!["Row11", "Row12", "Row13"])
|
|
.style(Style::default().fg(Color::Green)),
|
|
Row::new(vec![
|
|
Cell::from("Row21"),
|
|
Cell::from("Row22").style(Style::default().fg(Color::Yellow)),
|
|
Cell::from(Line::from(vec![
|
|
Span::raw("Row"),
|
|
Span::styled("23", Style::default().fg(Color::Blue)),
|
|
]))
|
|
.style(Style::default().fg(Color::Red)),
|
|
])
|
|
.style(Style::default().fg(Color::LightGreen)),
|
|
],
|
|
[
|
|
Constraint::Length(6),
|
|
Constraint::Length(6),
|
|
Constraint::Length(6),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
|
|
.block(Block::new().borders(Borders::LEFT | Borders::RIGHT))
|
|
.highlight_symbol(">> ")
|
|
.row_highlight_style(Style::default().add_modifier(Modifier::BOLD))
|
|
.column_highlight_style(Style::default().add_modifier(Modifier::ITALIC))
|
|
.cell_highlight_style(Style::default().add_modifier(Modifier::DIM))
|
|
.column_spacing(1);
|
|
f.render_stateful_widget(table, f.area(), &mut state);
|
|
})
|
|
.unwrap();
|
|
|
|
let mut expected = Buffer::with_lines([
|
|
"│ Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│>> Row11 Row12 Row13 │",
|
|
"│ Row21 Row22 Row23 │",
|
|
]);
|
|
// First row = row color + highlight style
|
|
for col in 1..=28 {
|
|
expected[(col, 2)].set_style(
|
|
Style::default()
|
|
.fg(Color::Green)
|
|
.add_modifier(Modifier::BOLD),
|
|
);
|
|
}
|
|
|
|
// Second column highlight style
|
|
for row in 2..=3 {
|
|
for col in 11..=16 {
|
|
expected[(col, row)].set_style(Style::default().add_modifier(Modifier::ITALIC));
|
|
}
|
|
}
|
|
|
|
// First row, second column highlight style (cell highlight)
|
|
for col in 11..=16 {
|
|
expected[(col, 2)].set_style(Style::default().add_modifier(Modifier::DIM));
|
|
}
|
|
|
|
// Second row:
|
|
// 1. row color
|
|
for col in 1..=28 {
|
|
expected[(col, 3)].set_style(Style::default().fg(Color::LightGreen));
|
|
}
|
|
// 2. cell color
|
|
for col in 11..=16 {
|
|
expected[(col, 3)].set_style(Style::default().fg(Color::Yellow));
|
|
}
|
|
for col in 18..=23 {
|
|
expected[(col, 3)].set_style(Style::default().fg(Color::Red));
|
|
}
|
|
// 3. text color
|
|
for col in 21..=22 {
|
|
expected[(col, 3)].set_style(Style::default().fg(Color::Blue));
|
|
}
|
|
terminal.backend().assert_buffer(&expected);
|
|
}
|
|
|
|
#[test]
|
|
fn widgets_table_should_render_even_if_empty() {
|
|
let backend = TestBackend::new(30, 4);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
terminal
|
|
.draw(|f| {
|
|
let table = Table::new(
|
|
Vec::<Row>::new(),
|
|
[
|
|
Constraint::Length(6),
|
|
Constraint::Length(6),
|
|
Constraint::Length(6),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["Head1", "Head2", "Head3"]))
|
|
.block(Block::new().borders(Borders::LEFT | Borders::RIGHT))
|
|
.column_spacing(1);
|
|
f.render_widget(table, f.area());
|
|
})
|
|
.unwrap();
|
|
terminal.backend().assert_buffer_lines([
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│ │",
|
|
"│ │",
|
|
]);
|
|
}
|
|
|
|
// based on https://github.com/fdehau/tui-rs/issues/470#issuecomment-852562848
|
|
#[test]
|
|
fn widgets_table_columns_dont_panic() {
|
|
let table_width = 98;
|
|
let table = Table::new(
|
|
vec![Row::new(vec!["r1", "r2", "r3", "r4"])],
|
|
[
|
|
Constraint::Percentage(15),
|
|
Constraint::Percentage(15),
|
|
Constraint::Percentage(25),
|
|
Constraint::Percentage(45),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["h1", "h2", "h3", "h4"]))
|
|
.block(Block::bordered())
|
|
.highlight_symbol(">> ")
|
|
.column_spacing(1);
|
|
|
|
let mut state = TableState::default();
|
|
|
|
// select first, which would cause a panic before fix
|
|
state.select(Some(0));
|
|
|
|
let backend = TestBackend::new(table_width, 8);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
terminal
|
|
.draw(|f| f.render_stateful_widget(table, f.area(), &mut state))
|
|
.unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn widgets_table_should_clamp_offset_if_rows_are_removed() {
|
|
let backend = TestBackend::new(30, 8);
|
|
let mut terminal = Terminal::new(backend).unwrap();
|
|
let mut state = TableState::default();
|
|
|
|
// render with 6 items => offset will be at 2
|
|
state.select(Some(5));
|
|
terminal
|
|
.draw(|f| {
|
|
let table = Table::new(
|
|
vec![
|
|
Row::new(vec!["Row01", "Row02", "Row03"]),
|
|
Row::new(vec!["Row11", "Row12", "Row13"]),
|
|
Row::new(vec!["Row21", "Row22", "Row23"]),
|
|
Row::new(vec!["Row31", "Row32", "Row33"]),
|
|
Row::new(vec!["Row41", "Row42", "Row43"]),
|
|
Row::new(vec!["Row51", "Row52", "Row53"]),
|
|
],
|
|
[
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
|
|
.block(Block::bordered())
|
|
.column_spacing(1);
|
|
f.render_stateful_widget(table, f.area(), &mut state);
|
|
})
|
|
.unwrap();
|
|
terminal.backend().assert_buffer_lines([
|
|
"┌────────────────────────────┐",
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│Row21 Row22 Row23 │",
|
|
"│Row31 Row32 Row33 │",
|
|
"│Row41 Row42 Row43 │",
|
|
"│Row51 Row52 Row53 │",
|
|
"└────────────────────────────┘",
|
|
]);
|
|
|
|
// render with 1 item => offset will be at 1
|
|
state.select(Some(1));
|
|
terminal
|
|
.draw(|f| {
|
|
let table = Table::new(
|
|
vec![Row::new(vec!["Row31", "Row32", "Row33"])],
|
|
[
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
Constraint::Length(5),
|
|
],
|
|
)
|
|
.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
|
|
.block(Block::bordered())
|
|
.column_spacing(1);
|
|
f.render_stateful_widget(table, f.area(), &mut state);
|
|
})
|
|
.unwrap();
|
|
terminal.backend().assert_buffer_lines([
|
|
"┌────────────────────────────┐",
|
|
"│Head1 Head2 Head3 │",
|
|
"│ │",
|
|
"│Row31 Row32 Row33 │",
|
|
"│ │",
|
|
"│ │",
|
|
"│ │",
|
|
"└────────────────────────────┘",
|
|
]);
|
|
}
|