diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
commit | ef24de24a82fe681581cc130f342363c47c0969a (patch) | |
tree | 0d494f7e1a38b95c92426f58fe6eaa877303a86c /vendor/tabled/src/settings/span/column.rs | |
parent | Releasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip |
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/tabled/src/settings/span/column.rs')
-rw-r--r-- | vendor/tabled/src/settings/span/column.rs | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/vendor/tabled/src/settings/span/column.rs b/vendor/tabled/src/settings/span/column.rs new file mode 100644 index 000000000..50af64c23 --- /dev/null +++ b/vendor/tabled/src/settings/span/column.rs @@ -0,0 +1,125 @@ +use crate::{ + grid::{ + config::{ColoredConfig, Entity, Position, SpannedConfig}, + records::{ExactRecords, Records}, + }, + settings::CellOption, +}; + +/// Columns (Vertical) span. +#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] +pub struct ColumnSpan { + size: usize, +} + +impl ColumnSpan { + /// Creates a new column (vertical) span. + pub fn new(size: usize) -> Self { + Self { size } + } + + /// Creates a new column (vertical) span with a maximux value possible. + pub fn max() -> Self { + Self::new(usize::MAX) + } +} + +impl<R> CellOption<R, ColoredConfig> for ColumnSpan +where + R: Records + ExactRecords, +{ + fn change(self, records: &mut R, cfg: &mut ColoredConfig, entity: Entity) { + let count_rows = records.count_rows(); + let count_cols = records.count_columns(); + + set_col_spans(cfg, self.size, entity, (count_rows, count_cols)); + remove_false_spans(cfg); + } +} + +fn set_col_spans(cfg: &mut SpannedConfig, span: usize, entity: Entity, shape: (usize, usize)) { + for pos in entity.iter(shape.0, shape.1) { + if !is_valid_pos(pos, shape) { + continue; + } + + let mut span = span; + if !is_column_span_valid(pos.1, span, shape.1) { + span = shape.1 - pos.1; + } + + if span_has_intersections(cfg, pos, span) { + continue; + } + + set_span_column(cfg, pos, span); + } +} + +fn set_span_column(cfg: &mut SpannedConfig, pos: (usize, usize), span: usize) { + if span == 0 { + let (row, col) = pos; + if col == 0 { + return; + } + + if let Some(closecol) = closest_visible(cfg, (row, col - 1)) { + let span = col + 1 - closecol; + cfg.set_column_span((row, closecol), span); + } + } + + cfg.set_column_span(pos, span); +} + +fn closest_visible(cfg: &SpannedConfig, mut pos: Position) -> Option<usize> { + loop { + if cfg.is_cell_visible(pos) { + return Some(pos.1); + } + + if pos.1 == 0 { + return None; + } + + pos.1 -= 1; + } +} + +fn is_column_span_valid(col: usize, span: usize, count_cols: usize) -> bool { + span + col <= count_cols +} + +fn is_valid_pos((row, col): Position, (count_rows, count_cols): (usize, usize)) -> bool { + row < count_rows && col < count_cols +} + +fn span_has_intersections(cfg: &SpannedConfig, (row, col): Position, span: usize) -> bool { + for col in col..col + span { + if !cfg.is_cell_visible((row, col)) { + return true; + } + } + + false +} + +fn remove_false_spans(cfg: &mut SpannedConfig) { + for (pos, _) in cfg.get_column_spans() { + if cfg.is_cell_visible(pos) { + continue; + } + + cfg.set_row_span(pos, 1); + cfg.set_column_span(pos, 1); + } + + for (pos, _) in cfg.get_row_spans() { + if cfg.is_cell_visible(pos) { + continue; + } + + cfg.set_row_span(pos, 1); + cfg.set_column_span(pos, 1); + } +} |