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egui_extras: clean up virtual scroll table demo settings a little

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This commit is contained in:
Wayne Warren 2022-04-03 20:02:50 -06:00
parent 1c5f93322d
commit 91d78fa2e9
1 changed files with 37 additions and 24 deletions
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21
egui_demo_lib/src/apps/demo/table_demo.rs
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@ -30,9 +30,15 @@ impl super::Demo for TableDemo {
impl super::View for TableDemo { impl super::View for TableDemo {
fn ui(&mut self, ui: &mut egui::Ui) { fn ui(&mut self, ui: &mut egui::Ui) {
let mut settings_height = 44.0;
if self.virtual_scroll {
settings_height = 66.0;
} else {
self.heterogeneous_rows = false
}
// Leave room for the source code link after the table demo: // Leave room for the source code link after the table demo:
StripBuilder::new(ui) StripBuilder::new(ui)
.size(Size::exact(66.0)) // for the settings .size(Size::exact(settings_height)) // for the settings
.size(Size::remainder()) // for the table .size(Size::remainder()) // for the table
.size(Size::exact(10.0)) // for the source code link .size(Size::exact(10.0)) // for the source code link
.vertical(|mut strip| { .vertical(|mut strip| {
@ -42,16 +48,20 @@ impl super::View for TableDemo {
.size(Size::remainder()) .size(Size::remainder())
.horizontal(|mut strip| { .horizontal(|mut strip| {
strip.cell(|ui| { strip.cell(|ui| {
ui.checkbox(&mut self.heterogeneous_rows, "Heterogeneous rows");
ui.checkbox(&mut self.virtual_scroll, "Virtual Scroll"); ui.checkbox(&mut self.virtual_scroll, "Virtual Scroll");
if self.virtual_scroll {
ui.checkbox(&mut self.heterogeneous_rows, "Heterogeneous rows");
}
ui.checkbox(&mut self.resizable, "Resizable columns"); ui.checkbox(&mut self.resizable, "Resizable columns");
}); });
if self.virtual_scroll {
strip.cell(|ui| { strip.cell(|ui| {
ui.add( ui.add(
egui::Slider::new(&mut self.num_rows, 0..=300_000) egui::Slider::new(&mut self.num_rows, 0..=300_000)
.text("Num rows"), .text("Num rows"),
); );
}); });
}
}); });
}); });
strip.cell(|ui| { strip.cell(|ui| {
@ -94,6 +104,7 @@ impl TableDemo {
}); });
}) })
.body(|mut body| { .body(|mut body| {
if self.virtual_scroll {
if !self.heterogeneous_rows { if !self.heterogeneous_rows {
body.rows(text_height, self.num_rows, |row_index, mut row| { body.rows(text_height, self.num_rows, |row_index, mut row| {
row.col(|ui| { row.col(|ui| {
@ -104,13 +115,15 @@ impl TableDemo {
}); });
row.col(|ui| { row.col(|ui| {
ui.add( ui.add(
egui::Label::new("Thousands of rows of even height").wrap(false), egui::Label::new("Thousands of rows of even height")
.wrap(false),
); );
}); });
}); });
} else if self.virtual_scroll { } else {
let rows = DemoRows::new(self.num_rows); let rows = DemoRows::new(self.num_rows);
body.heterogeneous_rows(rows, DemoRows::populate_row); body.heterogeneous_rows(rows, DemoRows::populate_row);
}
} else { } else {
for row_index in 0..20 { for row_index in 0..20 {
let thick = row_index % 6 == 0; let thick = row_index % 6 == 0;