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feat(app): unified theme-tinted placeholder thumbnails

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This commit is contained in:
Luna 2026-06-27 10:58:29 -07:00
parent 0336615fa3
commit 91f3d8500d
1 changed files with 30 additions and 16 deletions
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46
src/app.rs
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@ -388,6 +388,34 @@ impl App {
.unwrap_or(self.default_view_mode)
}
/// Paint a consistent missing-thumbnail placeholder inside `rect`:
/// a theme-tinted two-tone fill + a single glyph. Used for both channel
/// and video cards so the empty states stop diverging.
fn paint_thumb_placeholder(&self, ui: &egui::Ui, rect: egui::Rect, glyph: &str, density: f32) {
let v = ui.visuals();
let top = v.faint_bg_color.to_array();
let bot = v.panel_fill.to_array();
// egui has no native gradient; fake one with two stacked rects.
let mid = rect.top() + rect.height() * 0.5;
ui.painter().rect_filled(
egui::Rect::from_min_max(rect.min, egui::pos2(rect.max.x, mid)),
4.0,
egui::Color32::from_rgba_unmultiplied(top[0], top[1], top[2], 255),
);
ui.painter().rect_filled(
egui::Rect::from_min_max(egui::pos2(rect.min.x, mid), rect.max),
4.0,
egui::Color32::from_rgba_unmultiplied(bot[0], bot[1], bot[2], 255),
);
ui.painter().text(
rect.center(),
egui::Align2::CENTER_CENTER,
glyph,
egui::FontId::proportional(24.0 * density),
v.weak_text_color(),
);
}
pub fn new(cc: &eframe::CreationContext<'_>, tray: Option<crate::tray::TrayHandle>) -> Self {
let cwd = std::env::current_dir().unwrap_or_else(|_| PathBuf::from("."));
let config_path = cwd.join("config.toml");
@ -4007,14 +4035,7 @@ impl App {
.paint_at(ui, thumb_rect);
}
None => {
ui.painter().rect_filled(thumb_rect, 4.0, egui::Color32::from_gray(30));
ui.painter().text(
thumb_rect.center(),
egui::Align2::CENTER_CENTER,
"📺",
egui::FontId::proportional(28.0 * density),
egui::Color32::from_gray(100),
);
self.paint_thumb_placeholder(ui, thumb_rect, "🎬", density);
}
}
@ -4245,14 +4266,7 @@ impl App {
.paint_at(ui, rect);
}
None => {
ui.painter().rect_filled(rect, 4.0, egui::Color32::from_gray(38));
ui.painter().text(
rect.center(),
egui::Align2::CENTER_CENTER,
"▶",
egui::FontId::proportional(26.0 * density),
egui::Color32::from_gray(110),
);
self.paint_thumb_placeholder(ui, rect, "🎬", density);
}
}