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Getting fancy with color (the thread visual bar on the left)

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This commit is contained in:
Mike Dilger 2023-03-06 15:30:50 +13:00
parent 0a07985c7a
commit bc0050bcba
1 changed files with 16 additions and 2 deletions
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18
src/ui/theme/default.rs
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@ -4,7 +4,7 @@ use eframe::egui::style::{Selection, WidgetVisuals, Widgets};
use eframe::egui::{
FontDefinitions, Margin, Pos2, RichText, Shape, Stroke, Style, TextFormat, TextStyle, Visuals,
};
use eframe::epaint::{Color32, FontFamily, FontId, Rounding, Shadow};
use eframe::epaint::{ecolor, Color32, FontFamily, FontId, Rounding, Shadow};
use std::collections::BTreeMap;
#[derive(Default)]
@ -382,7 +382,21 @@ impl ThemeDef for DefaultTheme {
let current = ui.next_widget_position();
let start_point = Pos2::new(current.x - 12.0, current.y + 12.0);
let end_point = Pos2::new(start_point.x, start_point.y + post.height - 60.0);
let color = ui.style().visuals.widgets.noninteractive.weak_bg_fill;
// FIXME: rather than doing color calculations these could all be
// precalculated. However, this is safer since if we change things it
// still makes a matching color, whereas the other way we might forget.
//
// HsvaGamma has 'value' (lightness) close to perceptually even.
let dark_mode = ui.visuals().dark_mode;
let mut hsva: ecolor::HsvaGamma = Self::feed_frame_fill(dark_mode, post).into();
if dark_mode {
hsva.v = (hsva.v + 0.05).min(1.0); // lighten
} else {
hsva.v = (hsva.v - 0.05).max(0.0); // darken
}
let color: Color32 = hsva.into();
let thickness = 2.0;
ui.painter().add(Shape::line_segment(
[start_point, end_point],