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Daniele MoriandClaude Opus 5.5
38a7067ca2
On a wide table the eye loses its place following a row from the active cell. File > Options > General gets "Highlight the active cell's row", off by default: a tint across the whole row of the active cell, over the fills and under the text, in Normal and Page Layout views. It is a preference for every sheet and workbook, so nothing goes into the file, the workbook does not become dirty and there is no undo step. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
29 lines
1.3 KiB
Rust
29 lines
1.3 KiB
Rust
//! "Highlight the active cell's row" (File ▸ Options ▸ General): a tint across the whole row of
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//! the active cell, so the eye keeps its place in a wide table.
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use super::geo::Geo;
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use super::quadrant::QuadrantPaint;
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use super::{Rect, Sheet, pos2};
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/// The tinted band of `row` inside one quadrant (`rows` x `cols`): none when the row is outside
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/// the quadrant or hidden.
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pub fn active_row_band(geo: &Geo, sh: &Sheet, row: u32, rows: (u32, u32), cols: (u32, u32)) -> Option<Rect> {
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let height = sh.row_height(row) * geo.z;
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if row < rows.0 || row > rows.1 || height <= 0.0 {
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return None;
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}
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let top = geo.y(sh, row);
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let right = geo.x(sh, cols.1) + sh.col_width(cols.1) * geo.z;
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Some(Rect::from_min_max(pos2(geo.x(sh, cols.0), top), pos2(right, top + height)))
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}
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/// Paints the band of one quadrant, when the preference is on. With `within`, only the part of it
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/// inside that area (text running past its cell has just cleared it).
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pub(super) fn paint_active_row(q: &QuadrantPaint<'_>, within: Option<Rect>) {
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let Some(band) = q.active_row.and_then(|row| active_row_band(q.geo, q.sheet, row, q.rows, q.cols)) else { return };
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let part = within.map_or(band, |area| band.intersect(area));
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if part.is_positive() {
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q.painter.rect_filled(part, 0.0, q.tokens.active_row);
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}
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}
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