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Example showing how to use list clipper+table

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dbr 2022-03-18 22:07:58 +11:00
parent cc08285a04
commit 39e45251b3
1 changed files with 52 additions and 0 deletions
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imgui-examples/examples/long_table.rs Normal file
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use imgui::*;
mod support;
fn main() {
let system = support::init(file!());
system.main_loop(move |_, ui| {
ui.show_demo_window(&mut true);
ui.window("Table with list clipper")
.size([800.0, 700.0], Condition::FirstUseEver)
.build(|| {
let num_cols = 3;
let num_rows = 1000;
let flags = imgui::TableFlags::ROW_BG
| imgui::TableFlags::RESIZABLE
| imgui::TableFlags::BORDERS_H
| imgui::TableFlags::BORDERS_V; //| imgui::TableFlags::SCROLL_Y;
if let Some(_t) = ui.begin_table_with_sizing(
"longtable",
num_cols,
flags,
[300.0, 100.0],
/*inner width=*/ 0.0,
) {
ui.table_setup_column("A");
ui.table_setup_column("B");
ui.table_setup_column("C");
// Freeze first row so headers are visible even
// when scrolling
ui.table_setup_scroll_freeze(num_cols, 1);
// Done with headers row
ui.table_headers_row();
// Create clipper with st
let clip = imgui::ListClipper::new(num_rows).begin(ui);
for row_num in clip.iter() {
ui.table_next_row();
for col_num in 0..num_cols {
ui.table_set_column_index(col_num);
ui.text(format!("Hello {},{}", col_num, row_num));
}
}
}
});
});
}