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egui_extras: add heterogeneous_rows example

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Wayne Warren
2022-04-03 12:11:12 -06:00
parent 2f22f41185
commit 7706a91974
1 changed files with 35 additions and 0 deletions
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35
egui_extras/src/table.rs
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@@ -372,6 +372,41 @@ impl<'a> TableBody<'a> {
/// visible region, but it is many orders of magnitude more performant than adding individual /// visible region, but it is many orders of magnitude more performant than adding individual
/// heterogenously-sized rows using [`TableBody::row`] at the cost of the additional complexity /// heterogenously-sized rows using [`TableBody::row`] at the cost of the additional complexity
/// that comes with pre-calculating row heights and representing them as an iterator. /// that comes with pre-calculating row heights and representing them as an iterator.
///
/// ### Example
/// ```
/// # egui::__run_test_ui(|ui| {
/// use egui_extras::{TableBuilderSize};
/// TableBuilder::new(ui)
/// .column(Size::remainder().at_least(100.0))
/// .body(|mut body| {
/// let row_heights: Vec<f32> = vec![60.0, 18.0, 31.0, 240.0];
/// body.heterogeneous_rows(row_heights.iter(), |row_index, mut row| {
/// let thick = row_index % 6 == 0;
/// row.col(|ui| {
/// ui.centered_and_justified(|ui| {
/// ui.label(row_index.to_string());
/// });
/// });
/// row.col(|ui| {
/// ui.centered_and_justified(|ui| {
/// ui.label(clock_emoji(row_index));
/// });
/// });
/// row.col(|ui| {
/// ui.centered_and_justified(|ui| {
/// ui.style_mut().wrap = Some(false);
/// if thick {
/// ui.heading("Extra thick row");
/// } else {
/// ui.label("Normal row");
/// }
/// });
/// });
/// });
/// });
/// # });
/// ```
pub fn heterogeneous_rows( pub fn heterogeneous_rows(
&mut self, &mut self,
heights: impl Iterator<Item = f32>, heights: impl Iterator<Item = f32>,