notedeck

commit 029896627cf83c0ea1dec1d618500c4ddebbe8f8
parent bc5ff4858fdf3f333c87547b9bb4a2981a100a2f
Author: William Casarin <jb55@jb55.com>
Date:   Wed, 15 May 2024 15:26:19 -0700

ui: add feathering-resistant hline separator fn

"pixel-aligned" Separators get feathered into a blurry mess. This seems
to help.

Signed-off-by: William Casarin <jb55@jb55.com>

Diffstat:
M
src/timeline.rs
 | 
3
++-
M
src/ui/mod.rs
 | 
8
++++++++

2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/timeline.rs b/src/timeline.rs
@@ -99,7 +99,8 @@ pub fn timeline_view(ui: &mut egui::Ui, app: &mut Damus, timeline: usize) {
                     let textmode = app.textmode;
                     let note_ui = ui::Note::new(app, &note).note_previews(!textmode);
                     ui.add(note_ui);
-                    ui.add(egui::Separator::default().spacing(0.0));
+                    ui::hline(ui);
+                    //ui.add(egui::Separator::default().spacing(0.0));
 
                     1
                 });
diff --git a/src/ui/mod.rs b/src/ui/mod.rs
@@ -39,6 +39,14 @@ pub fn padding<R>(
         .show(ui, add_contents)
 }
 
+pub fn hline(ui: &egui::Ui) {
+    // pixel perfect horizontal line
+    let rect = ui.available_rect_before_wrap();
+    let resize_y = ui.painter().round_to_pixel(rect.top()) - 0.5;
+    let stroke = ui.style().visuals.widgets.noninteractive.bg_stroke;
+    ui.painter().hline(rect.x_range(), resize_y, stroke);
+}
+
 #[inline]
 #[allow(unreachable_code)]
 pub fn is_mobile(_ctx: &egui::Context) -> bool {