mirror of https://github.com/encounter/objdiff.git
262 lines
10 KiB
Rust
262 lines
10 KiB
Rust
use std::{cmp::min, default::Default, mem::take};
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use egui::{text::LayoutJob, Color32, Label, Sense};
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use egui_extras::{Size, StripBuilder, TableBuilder};
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use time::format_description;
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use crate::{
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app::{View, ViewConfig, ViewState},
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jobs::Job,
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obj::{ObjDataDiff, ObjDataDiffKind, ObjInfo, ObjSection},
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views::{write_text, COLOR_RED},
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};
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const BYTES_PER_ROW: usize = 16;
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fn find_section<'a>(obj: &'a ObjInfo, section_name: &str) -> Option<&'a ObjSection> {
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obj.sections.iter().find(|s| s.name == section_name)
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}
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fn data_row_ui(ui: &mut egui::Ui, address: usize, diffs: &[ObjDataDiff], config: &ViewConfig) {
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if diffs.iter().any(|d| d.kind != ObjDataDiffKind::None) {
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ui.painter().rect_filled(ui.available_rect_before_wrap(), 0.0, ui.visuals().faint_bg_color);
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}
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let mut job = LayoutJob::default();
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write_text(
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format!("{:08X}: ", address).as_str(),
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Color32::GRAY,
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&mut job,
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config.code_font.clone(),
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);
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let mut cur_addr = 0usize;
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for diff in diffs {
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let base_color = match diff.kind {
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ObjDataDiffKind::None => Color32::GRAY,
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ObjDataDiffKind::Replace => Color32::LIGHT_BLUE,
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ObjDataDiffKind::Delete => COLOR_RED,
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ObjDataDiffKind::Insert => Color32::GREEN,
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};
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if diff.data.is_empty() {
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let mut str = " ".repeat(diff.len);
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str.push_str(" ".repeat(diff.len / 8).as_str());
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write_text(str.as_str(), base_color, &mut job, config.code_font.clone());
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cur_addr += diff.len;
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} else {
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let mut text = String::new();
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for byte in &diff.data {
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text.push_str(format!("{:02X} ", byte).as_str());
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cur_addr += 1;
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if cur_addr % 8 == 0 {
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text.push(' ');
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}
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}
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write_text(text.as_str(), base_color, &mut job, config.code_font.clone());
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}
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}
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if cur_addr < BYTES_PER_ROW {
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let n = BYTES_PER_ROW - cur_addr;
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let mut str = " ".to_string();
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str.push_str(" ".repeat(n).as_str());
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str.push_str(" ".repeat(n / 8).as_str());
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write_text(str.as_str(), Color32::GRAY, &mut job, config.code_font.clone());
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}
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write_text(" ", Color32::GRAY, &mut job, config.code_font.clone());
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for diff in diffs {
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let base_color = match diff.kind {
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ObjDataDiffKind::None => Color32::GRAY,
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ObjDataDiffKind::Replace => Color32::LIGHT_BLUE,
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ObjDataDiffKind::Delete => COLOR_RED,
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ObjDataDiffKind::Insert => Color32::GREEN,
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};
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if diff.data.is_empty() {
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write_text(
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" ".repeat(diff.len).as_str(),
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base_color,
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&mut job,
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config.code_font.clone(),
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);
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} else {
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let mut text = String::new();
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for byte in &diff.data {
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let c = char::from(*byte);
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if c.is_ascii() && !c.is_ascii_control() {
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text.push(c);
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} else {
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text.push('.');
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}
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}
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write_text(text.as_str(), base_color, &mut job, config.code_font.clone());
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}
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}
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ui.add(Label::new(job).sense(Sense::click()));
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// .on_hover_ui_at_pointer(|ui| ins_hover_ui(ui, ins))
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// .context_menu(|ui| ins_context_menu(ui, ins));
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}
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fn split_diffs(diffs: &[ObjDataDiff]) -> Vec<Vec<ObjDataDiff>> {
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let mut split_diffs = Vec::<Vec<ObjDataDiff>>::new();
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let mut row_diffs = Vec::<ObjDataDiff>::new();
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let mut cur_addr = 0usize;
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for diff in diffs {
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let mut cur_len = 0usize;
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while cur_len < diff.len {
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let remaining_len = diff.len - cur_len;
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let mut remaining_in_row = BYTES_PER_ROW - (cur_addr % BYTES_PER_ROW);
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let len = min(remaining_len, remaining_in_row);
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row_diffs.push(ObjDataDiff {
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data: if diff.data.is_empty() {
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Vec::new()
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} else {
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diff.data[cur_len..cur_len + len].to_vec()
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},
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kind: diff.kind,
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len,
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// TODO
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symbol: String::new(),
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});
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remaining_in_row -= len;
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cur_len += len;
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cur_addr += len;
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if remaining_in_row == 0 {
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split_diffs.push(take(&mut row_diffs));
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}
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}
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}
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if !row_diffs.is_empty() {
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split_diffs.push(take(&mut row_diffs));
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}
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split_diffs
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}
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fn data_table_ui(
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table: TableBuilder<'_>,
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left_obj: &ObjInfo,
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right_obj: &ObjInfo,
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section_name: &str,
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config: &ViewConfig,
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) -> Option<()> {
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let left_section = find_section(left_obj, section_name)?;
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let right_section = find_section(right_obj, section_name)?;
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let total_bytes = left_section.data_diff.iter().fold(0usize, |accum, item| accum + item.len);
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if total_bytes == 0 {
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return None;
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}
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let total_rows = (total_bytes - 1) / BYTES_PER_ROW + 1;
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let left_diffs = split_diffs(&left_section.data_diff);
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let right_diffs = split_diffs(&right_section.data_diff);
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table.body(|body| {
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body.rows(config.code_font.size, total_rows, |row_index, mut row| {
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let address = row_index * BYTES_PER_ROW;
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row.col(|ui| {
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data_row_ui(ui, address, &left_diffs[row_index], config);
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});
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row.col(|ui| {
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data_row_ui(ui, address, &right_diffs[row_index], config);
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});
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});
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});
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Some(())
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}
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pub fn data_diff_ui(ui: &mut egui::Ui, view_state: &mut ViewState) -> bool {
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let mut rebuild = false;
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if let (Some(result), Some(selected_symbol)) = (&view_state.build, &view_state.selected_symbol)
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{
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StripBuilder::new(ui)
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.size(Size::exact(20.0))
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.size(Size::exact(40.0))
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.size(Size::remainder())
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.vertical(|mut strip| {
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strip.strip(|builder| {
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builder.sizes(Size::remainder(), 2).horizontal(|mut strip| {
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strip.cell(|ui| {
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ui.horizontal(|ui| {
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if ui.button("Back").clicked() {
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view_state.current_view = View::SymbolDiff;
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}
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});
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});
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strip.cell(|ui| {
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ui.horizontal(|ui| {
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if ui.button("Build").clicked() {
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rebuild = true;
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}
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ui.scope(|ui| {
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ui.style_mut().override_text_style =
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Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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if view_state
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.jobs
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.iter()
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.any(|job| job.job_type == Job::ObjDiff)
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{
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ui.label("Building...");
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} else {
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ui.label("Last built:");
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let format =
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format_description::parse("[hour]:[minute]:[second]")
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.unwrap();
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ui.label(
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result
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.time
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.to_offset(view_state.utc_offset)
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.format(&format)
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.unwrap(),
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);
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}
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});
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});
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});
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});
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});
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strip.strip(|builder| {
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builder.sizes(Size::remainder(), 2).horizontal(|mut strip| {
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strip.cell(|ui| {
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ui.scope(|ui| {
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ui.style_mut().override_text_style =
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Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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ui.colored_label(Color32::WHITE, selected_symbol);
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ui.label("Diff target:");
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ui.separator();
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});
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});
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strip.cell(|ui| {
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ui.scope(|ui| {
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ui.style_mut().override_text_style =
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Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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ui.label("");
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ui.label("Diff base:");
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ui.separator();
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});
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});
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});
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});
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strip.cell(|ui| {
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if let (Some(left_obj), Some(right_obj)) =
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(&result.first_obj, &result.second_obj)
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{
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let table = TableBuilder::new(ui)
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.striped(false)
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.cell_layout(egui::Layout::left_to_right(egui::Align::Min))
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.column(Size::relative(0.5))
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.column(Size::relative(0.5))
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.resizable(false);
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data_table_ui(
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table,
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left_obj,
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right_obj,
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selected_symbol,
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&view_state.view_config,
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);
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}
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});
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});
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}
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rebuild
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}
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