110 lines
3.7 KiB
Rust
110 lines
3.7 KiB
Rust
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use egui_extras::{Size, StripBuilder, TableBuilder};
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/// Shows off a table with dynamic layout
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#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
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#[derive(Default)]
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pub struct TableDemo {
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virtual_scroll: bool,
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}
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impl super::Demo for TableDemo {
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fn name(&self) -> &'static str {
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"☰ Table Demo"
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}
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fn show(&mut self, ctx: &egui::Context, open: &mut bool) {
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egui::Window::new(self.name())
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.open(open)
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.resizable(true)
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.default_width(400.0)
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.show(ctx, |ui| {
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use super::View as _;
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self.ui(ui);
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});
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}
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}
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impl super::View for TableDemo {
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fn ui(&mut self, ui: &mut egui::Ui) {
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ui.checkbox(&mut self.virtual_scroll, "Virtual scroll demo");
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// Leave room for the source code link after the table demo:
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StripBuilder::new(ui)
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.size(Size::Remainder) // for the table
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.size(Size::Absolute(10.0)) // for the source code link
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.vertical(|mut strip| {
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strip.cell_clip(|ui| {
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self.table_ui(ui);
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});
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strip.cell(|ui| {
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ui.vertical_centered(|ui| {
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ui.add(crate::__egui_github_link_file!());
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});
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});
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});
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}
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}
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impl TableDemo {
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fn table_ui(&mut self, ui: &mut egui::Ui) {
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TableBuilder::new(ui)
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.striped(true)
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.column(Size::Absolute(120.0))
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.column(Size::RemainderMinimum(180.0))
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.column(Size::Absolute(100.0))
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.header(20.0, |mut header| {
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header.col(|ui| {
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ui.heading("Left");
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});
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header.col(|ui| {
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ui.heading("Middle");
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});
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header.col(|ui| {
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ui.heading("Right");
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});
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})
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.body(|mut body| {
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if self.virtual_scroll {
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body.rows(20.0, 100_000, |index, mut row| {
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row.col(|ui| {
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ui.label(index.to_string());
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});
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row.col_clip(|ui| {
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ui.add(
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egui::Label::new("virtual scroll, easily with thousands of rows!")
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.wrap(false),
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);
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});
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row.col(|ui| {
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ui.label(index.to_string());
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});
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});
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} else {
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for i in 0..100 {
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let height = match i % 8 {
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0 => 25.0,
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4 => 30.0,
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_ => 20.0,
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};
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body.row(height, |mut row| {
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row.col(|ui| {
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ui.label(i.to_string());
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});
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row.col_clip(|ui| {
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ui.add(
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egui::Label::new(
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format!("Normal scroll, each row can have a different height. Height: {}", height),
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)
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.wrap(false),
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);
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});
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row.col(|ui| {
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ui.label(i.to_string());
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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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