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[demo] Add collapsing header to widget gallery

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This commit is contained in:
Emil Ernerfeldt 2021-01-14 23:25:51 +01:00
parent 9ce59d747f
commit 6f814b9516
2 changed files with 24 additions and 5 deletions
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24
egui_demo_lib/src/apps/demo/widget_gallery.rs
View file

@ -33,10 +33,14 @@ impl super::Demo for WidgetGallery {
} }
fn show(&mut self, ctx: &egui::CtxRef, open: &mut bool) { fn show(&mut self, ctx: &egui::CtxRef, open: &mut bool) {
egui::Window::new(self.name()).open(open).show(ctx, |ui| { egui::Window::new(self.name())
use super::View; .open(open)
self.ui(ui); .default_width(200.0)
}); .resizable(false)
.show(ctx, |ui| {
use super::View;
self.ui(ui);
});
} }
} }
@ -126,8 +130,20 @@ impl super::View for WidgetGallery {
ui.label("Separator:"); ui.label("Separator:");
ui.separator(); ui.separator();
ui.end_row(); ui.end_row();
ui.label("CollapsingHeader:");
ui.collapsing("Click to see what is hidden!", |ui| {
ui.horizontal_wrapped_for_text(egui::TextStyle::Body, |ui| {
ui.label(
"Not much, as it turns out, but here is a gold star for you for checking:",
);
ui.colored_label(egui::Color32::GOLD, "☆");
});
});
ui.end_row();
}); });
ui.separator();
ui.vertical_centered(|ui| { ui.vertical_centered(|ui| {
ui.add(crate::__egui_github_link_file!()); ui.add(crate::__egui_github_link_file!());
}); });

5
epaint/src/color.rs
View file

@ -36,10 +36,11 @@ impl Color32 {
pub const GRAY: Color32 = Color32::from_rgb(160, 160, 160); pub const GRAY: Color32 = Color32::from_rgb(160, 160, 160);
pub const WHITE: Color32 = Color32::from_rgb(255, 255, 255); pub const WHITE: Color32 = Color32::from_rgb(255, 255, 255);
pub const RED: Color32 = Color32::from_rgb(255, 0, 0); pub const RED: Color32 = Color32::from_rgb(255, 0, 0);
pub const YELLOW: Color32 = Color32::from_rgb(255, 255, 0);
pub const GREEN: Color32 = Color32::from_rgb(0, 255, 0); pub const GREEN: Color32 = Color32::from_rgb(0, 255, 0);
pub const BLUE: Color32 = Color32::from_rgb(0, 0, 255); pub const BLUE: Color32 = Color32::from_rgb(0, 0, 255);
pub const YELLOW: Color32 = Color32::from_rgb(255, 255, 0);
pub const LIGHT_BLUE: Color32 = Color32::from_rgb(140, 160, 255); pub const LIGHT_BLUE: Color32 = Color32::from_rgb(140, 160, 255);
pub const GOLD: Color32 = Color32::from_rgb(255, 215, 0);
pub const fn from_rgb(r: u8, g: u8, b: u8) -> Self { pub const fn from_rgb(r: u8, g: u8, b: u8) -> Self {
Self([r, g, b, 255]) Self([r, g, b, 255])
@ -117,10 +118,12 @@ impl Color32 {
Rgba::from(self).to_opaque().into() Rgba::from(self).to_opaque().into()
} }
/// Premultiplied RGBA
pub fn to_array(&self) -> [u8; 4] { pub fn to_array(&self) -> [u8; 4] {
[self.r(), self.g(), self.b(), self.a()] [self.r(), self.g(), self.b(), self.a()]
} }
/// Premultiplied RGBA
pub fn to_tuple(&self) -> (u8, u8, u8, u8) { pub fn to_tuple(&self) -> (u8, u8, u8, u8) {
(self.r(), self.g(), self.b(), self.a()) (self.r(), self.g(), self.b(), self.a())
} }