From e4fea66df6a8d63fae2f7d8f6c7fddcba06b198c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Stefa=C5=84ski?= <stefanskipiotr15@gmail.com>
Date: Sun, 24 May 2026 20:01:01 +0200
Subject: [PATCH] improvements 2

---
 libsvld/src/lib.rs      | 12 ++++++------
 svldplotter/src/plot.rs | 36 +++++++++++++++++++++++++++++++++++-
 svldplotter/src/tree.rs |  2 +-
 3 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/libsvld/src/lib.rs b/libsvld/src/lib.rs
index 98c3e56..fce7425 100644
--- a/libsvld/src/lib.rs
+++ b/libsvld/src/lib.rs
@@ -255,6 +255,11 @@ pub fn decode(dbc: &Dbc,
     // println!("{:?}", unknown_ids);
     // println!("{:?}", error_frames);
 
+    for (_, frames) in &mut data {
+        // frames.voracious_mt_sort(thread_count);
+        frames.voracious_sort();
+    }
+
     DecodeResult {
         data,
         metadata,
@@ -274,7 +279,7 @@ pub fn decode_to_motec(dbc: &Dbc,
                        asc_path: &Path,
                        output_dir: &Path) -> DecodeProcessInfo {
     let DecodeResult {
-        mut data,
+        data,
         metadata,
         info,
     } = decode(dbc, asc_path);
@@ -285,11 +290,6 @@ pub fn decode_to_motec(dbc: &Dbc,
         .and_utc()
         .to_rfc3339_opts(chrono::SecondsFormat::Secs, true);
 
-    for (_, frames) in &mut data {
-        // frames.voracious_mt_sort(thread_count);
-        frames.voracious_sort();
-    }
-
     let msgs: Vec<MessageMetadata> = metadata.values().cloned().collect();
 
     // println!("Messages: {}", msgs.len());
diff --git a/svldplotter/src/plot.rs b/svldplotter/src/plot.rs
index 677215f..6d2f9c3 100644
--- a/svldplotter/src/plot.rs
+++ b/svldplotter/src/plot.rs
@@ -1,7 +1,7 @@
 use eframe::egui;
 use egui::ecolor::Hsva;
 use egui::{Color32, Vec2b};
-use egui_plot::{AxisHints, Legend, Line, Plot, PlotPoint, PlotPoints, VPlacement};
+use egui_plot::{AxisHints, Legend, Line, Plot, PlotBounds, PlotPoint, PlotPoints, VPlacement};
 
 use crate::plot_list::{majority_unit, PlotGroup};
 use crate::signal::{decimate, nearest_y, PlottedSignal};
@@ -62,6 +62,39 @@ fn line_label(sig: &PlottedSignal, cursor_x: Option<f64>) -> String {
     }
 }
 
+/// Clamp the visible x-range to [0, x_max]. Preserves the current zoom
+/// width when possible; if the zoomed-out width exceeds the data range,
+/// just snaps to the full range.
+fn clamp_x_bounds(plot_ui: &mut egui_plot::PlotUi, x_max: f64) {
+    let bounds = plot_ui.plot_bounds();
+    let lo = bounds.min();
+    let hi = bounds.max();
+    let mut new_lo_x = lo[0];
+    let mut new_hi_x = hi[0];
+    let width = new_hi_x - new_lo_x;
+
+    if width >= x_max {
+        new_lo_x = 0.0;
+        new_hi_x = x_max;
+    } else {
+        if new_lo_x < 0.0 {
+            new_lo_x = 0.0;
+            new_hi_x = new_lo_x + width;
+        }
+        if new_hi_x > x_max {
+            new_hi_x = x_max;
+            new_lo_x = new_hi_x - width;
+        }
+    }
+
+    if new_lo_x != lo[0] || new_hi_x != hi[0] {
+        plot_ui.set_plot_bounds(PlotBounds::from_min_max(
+            [new_lo_x, lo[1]],
+            [new_hi_x, hi[1]],
+        ));
+    }
+}
+
 pub fn show_plot_panel(
     ui: &mut egui::Ui,
     plots: &[PlotGroup],
@@ -112,6 +145,7 @@ pub fn show_plot_panel(
                 ]);
 
             let response = plot.show(ui, |plot_ui| {
+                clamp_x_bounds(plot_ui, full_max);
                 if plot_group.signals.is_empty() {
                     plot_ui.line(
                         Line::new(
diff --git a/svldplotter/src/tree.rs b/svldplotter/src/tree.rs
index fad90b5..7024004 100644
--- a/svldplotter/src/tree.rs
+++ b/svldplotter/src/tree.rs
@@ -92,7 +92,7 @@ pub fn show_dbc_tree(
             .desired_width(f32::INFINITY),
     );
     let needle = filter.trim();
-    let matcher = SkimMatcherV2::default();
+    let matcher = SkimMatcherV2::default().ignore_case();
     ScrollArea::both()
         .scroll([true, true])
         .scroll_bar_visibility(egui::scroll_area::ScrollBarVisibility::VisibleWhenNeeded)