Refactor some ui while upgrading tui partway.

Cargo.lock

@@ -313,12 +313,6 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
-[[package]]
-name = "either"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
-
 [[package]]
 name = "endian-type"
 version = "0.1.2"
@@ -441,15 +435,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f56a2d0bc861f9165be4eb3442afd3c236d8a98afd426f65d92324ae1091a484"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -990,15 +975,12 @@ dependencies = [
 
 [[package]]
 name = "tui"
-version = "0.8.0"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b871b61f4c4b81e630215cd12e0ec29953d4545898e21a9e023b7520a74a9f9"
+checksum = "9ced152a8e9295a5b168adc254074525c17ac4a83c90b2716274cc38118bddc9"
 dependencies = [
  "bitflags 1.3.2",
  "cassowary",
- "either",
- "itertools",
- "log",
  "termion 1.5.5",
  "unicode-segmentation",
  "unicode-width",

Cargo.toml

@@ -26,7 +26,7 @@ rust_decimal_macros = "1.32.0"
 chrono = { version = "0.4.31", features = ["serde"] }
 structopt = "0.2.10"
 rustyline = "12.0.0"
-tui = { version = "0.8", optional = true, features = ['termion'] }
+tui = { version = "0.14", optional = true, features = ['termion'] }
 termion = { version = "2.0.1", optional = true }
 dotenv = "0.15.0"
 

src/mytui/app.rs

@@ -7,6 +7,7 @@ use std::collections::HashMap;
 use crptls::transaction::{Transaction, ActionRecord};
 use crptls::account::{Account, RawAccount};
 use crptls::core_functions::ImportProcessParameters;
+use tui::widgets::ListState;
 
 use crate::export::{export_csv, export_je, export_txt};
 
@@ -24,36 +25,51 @@ pub (crate) const REPORTS: [&'static str; 11] = [
     "11. TXT: Bookkeeping journal entries",
 ];
 
-pub struct ListState<I> {
+pub struct StatefulList<I> {
     pub items: Vec<I>,
-    pub selected: usize,
+    pub state: ListState,
 }
 
-impl<I> ListState<I> {
+impl<T> StatefulList<T> {
 
-    fn new(items: Vec<I>) -> ListState<I> {
-        ListState { items, selected: 0 }
+    fn new(items: Vec<T>) -> StatefulList<T> {
+        StatefulList { items, state: ListState::default() }
     }
 
     fn select_previous(&mut self) {
-
-        if self.selected > 0 {
-            self.selected -= 1;
+        let i = match self.state.selected() {
+            Some(i) => {
+                if i == 0 {
+                    self.items.len() - 1
+                } else {
+                    i - 1
                 }
             }
+            None => 0,
+        };
+        self.state.select(Some(i));
+    }
 
     fn select_next(&mut self) {
+        let i = match self.state.selected() {
+            Some(i) => {
+                if i >= self.items.len() - 1 {
+                    0
+                } else {
+                    i + 1
+                }
+            }
+            None => 0,
+        };
+        self.state.select(Some(i));
+    }
 
-        if self.selected < self.items.len() - 1 {
-            self.selected += 1
-        }
-    }
 }
 
 pub struct PrintWindow<'a> {
     pub title: &'a str,
     pub should_quit: bool,
-    pub tasks: ListState<&'a str>,
+    pub tasks: StatefulList<&'a str>,
     pub to_print_by_idx: Vec<usize>,
     pub to_print_by_title: Vec<&'a str>,
 }
@@ -61,10 +77,13 @@ pub struct PrintWindow<'a> {
 impl<'a> PrintWindow<'a> {
 
     pub fn new(title: &'a str) -> PrintWindow<'a> {
+        let mut tasks = StatefulList::new(REPORTS.to_vec());
+        tasks.state.select(Some(0));
+
         PrintWindow {
             title,
             should_quit: false,
-            tasks: ListState::new(REPORTS.to_vec()),
+            tasks,
             to_print_by_idx: Vec::with_capacity(REPORTS.len()),
             to_print_by_title: Vec::with_capacity(REPORTS.len()),
         }
@@ -78,7 +97,7 @@ impl<'a> PrintWindow<'a> {
         self.tasks.select_next();
     }
 
-    pub fn on_key(&mut self, c: char) {
+    pub fn on_key(&mut self, c: char) -> Result<(), Box<dyn Error>> {
 
         match c {
 
@@ -90,7 +109,7 @@ impl<'a> PrintWindow<'a> {
                 self.should_quit = true;
             }
             'x' => {
-                let selected = self.tasks.selected;
+                let selected = self.tasks.state.selected().unwrap();
                 if self.to_print_by_idx.contains(&selected) {} else {
                     self.to_print_by_idx.push(selected);
                     self.to_print_by_title.push(self.tasks.items[selected])
@@ -99,7 +118,7 @@ impl<'a> PrintWindow<'a> {
                 self.tasks.select_next();
             }
             'd' => {
-                let selected_idx = self.tasks.selected;
+                let selected_idx = self.tasks.state.selected().unwrap();
                 self.to_print_by_idx.retain(|&x| x != selected_idx );
                 let selected_str = self.tasks.items[selected_idx];
                 self.to_print_by_title.retain(|&x| x != selected_str );
@@ -107,6 +126,7 @@ impl<'a> PrintWindow<'a> {
             }
             _ => {}
         }
+        Ok(())
     }
 
     fn change_vecs_to_chrono_order(vec: &mut Vec<usize>, strvec: &mut Vec<&str>) {

src/mytui/print_menu_tui.rs

@@ -46,14 +46,14 @@ pub (crate) fn print_menu_tui(
 
     loop {
 
-        ui::draw(&mut terminal, &app)?;
+        ui::draw(&mut terminal, &mut app)?;
 
         if let Event::Input(key) = events.next()? {
 
             match key {
 
                 Key::Char(c) => {
-                    app.on_key(c);
+                    app.on_key(c)?;
                 }
                 Key::Up => {
                     app.on_up();

src/mytui/ui.rs

@@ -5,30 +5,49 @@ use std::io;
 
 use ::tui::Terminal;
 use ::tui::style::{Color, Modifier, Style};
-use ::tui::widgets::{Widget, Block, Borders, SelectableList, Text, Paragraph, List};
+// use tui::widgets::ListState;
+use ::tui::text::{Text, Span, Spans};
+use tui::widgets::{Wrap, ListItem};
+use ::tui::widgets::{
+    // Widget,
+    Block, Borders,
+    // SelectableList,
+    // Text,
+    Paragraph, List};
 use ::tui::layout::{Layout, Constraint, Direction};
 use ::tui::backend::Backend;
 
 use crate::mytui::app::{PrintWindow, REPORTS};
 
 
-pub fn draw<B: Backend>(terminal: &mut Terminal<B>, app: &PrintWindow) -> Result<(), io::Error> {
+pub fn draw<B: Backend>(terminal: &mut Terminal<B>, app: &mut PrintWindow) -> Result<(), io::Error> {
 
-    terminal.draw(|mut f| {
+    terminal.draw(|f| {
 
-        let instructions = [
-            Text::raw("\nPress '"),
-            Text::styled("x", Style::default().fg(Color::Cyan).modifier(Modifier::BOLD)),
-            Text::raw("' to add the selected report to the list of reports to print/export.\n"),
-            Text::raw("\nPress '"),
-            Text::styled("d", Style::default().fg(Color::Yellow).modifier(Modifier::BOLD)),
-            Text::raw("' to delete the selected report from the list of reports to print/export.\n"),
-            Text::raw("\nPress '"),
-            Text::styled("p", Style::default().fg(Color::Green).modifier(Modifier::BOLD)),
-            Text::raw("' to print/export the selected reports.\n"),
-            Text::raw("\nPress '"),
-            Text::styled("q", Style::default().fg(Color::Red).modifier(Modifier::BOLD)),
-            Text::raw("' to quit without printing.\n\n"),
+        let instructions = vec![
+            Spans::from(vec![Span::raw("")]),
+            Spans::from(vec![
+                Span::raw("Press '"),
+                Span::styled("x", Style::default().fg(Color::Cyan).add_modifier(Modifier::BOLD)),
+                Span::raw("' to add the selected report to the list of reports to print/export."),
+            ]),
+            Spans::from(vec![
+                Span::raw("Press '"),
+                Span::styled("d", Style::default().fg(Color::Yellow).add_modifier(Modifier::BOLD)),
+                Span::raw("' to delete the selected report from the list of reports to print/export."),
+            ]),
+            Spans::from(vec![
+                Span::raw("Press '"),
+                Span::styled("p", Style::default().fg(Color::Green).add_modifier(Modifier::BOLD)),
+                Span::raw("' to print/export the selected reports."),
+            ]),
+            Spans::from(vec![
+                Span::raw("Press '"),
+                Span::styled("q", Style::default().fg(Color::Red).add_modifier(Modifier::BOLD)),
+                Span::raw("' to quit without printing."),
+            ]),
+            Spans::from(vec![Span::raw("")]),
+            Spans::from(vec![Span::raw("")]),
             ];
         let rpts_to_prnt = app.to_print_by_title.iter().map(|&rpt_to_prnt| {
             Text::styled(
@@ -40,53 +59,52 @@ pub fn draw<B: Backend>(terminal: &mut Terminal<B>, app: &PrintWindow) -> Result
         let top_level_chunks = Layout::default()
             .constraints([
                 Constraint::Length(1),
-                Constraint::Length(2 + (instructions.len() as u16 / 3 * 2)), // 2 for title "Instructions", plus 3 TEXT array elements/instruction
+                Constraint::Length(instructions.len() as u16), // 2 for title "Instructions", plus 3 TEXT array elements/instruction
                 Constraint::Length(REPORTS.len() as u16 + 2),
                 Constraint::Length(rpts_to_prnt.len() as u16 + 2),
                 Constraint::Length(1),
             ].as_ref())
             .split(f.size());
 
-        Paragraph::new(instructions.iter())
-            .block(
-                Block::default()
+        let pg1 = Paragraph::new(instructions)
+            .block(Block::default()
                 .borders(Borders::NONE)
                 .title("Instructions")
-                    .title_style(Style::default().fg(Color::Blue).modifier(Modifier::BOLD).modifier(Modifier::UNDERLINED)),
+                .title_style(Style::default().fg(Color::LightMagenta).add_modifier(Modifier::BOLD).add_modifier(Modifier::UNDERLINED)),
             )
-            .wrap(true)
-            .render(&mut f, top_level_chunks[1]);
+            .wrap(Wrap {trim: true});
+        f.render_widget(pg1, top_level_chunks[1]);
 
         let level_2_chunks = Layout::default()
             .constraints([Constraint::Percentage(10), Constraint::Percentage(80),Constraint::Percentage(10),].as_ref())
             .direction(Direction::Horizontal)
             .split(top_level_chunks[2]);
 
-        SelectableList::default()
-            .block(
-                Block::default()
+        let items: Vec<_> = app.tasks.items.iter().map(|i| ListItem::new(*i)).collect();
+        // app.tasks.state.select(Some(0));
+
+        let items = List::new(items)
+            .block(Block::default()
                 .borders(Borders::ALL)
                 .title("Reports available for exporting")
-                    .title_style(Style::default().fg(Color::White).modifier(Modifier::BOLD).modifier(Modifier::UNDERLINED))
+                .title_style(Style::default().fg(Color::White).add_modifier(Modifier::BOLD).add_modifier(Modifier::UNDERLINED))
             )
-            .items(&app.tasks.items)
-            .select(Some(app.tasks.selected))
-            .highlight_style(Style::default().fg(Color::Yellow).modifier(Modifier::BOLD))
-            .highlight_symbol(">")
-            .render(&mut f, level_2_chunks[1]);
+            .highlight_style(Style::default().fg(Color::Yellow).add_modifier(Modifier::BOLD))
+            .highlight_symbol(">");
+        f.render_stateful_widget(items, level_2_chunks[1], &mut app.tasks.state);
 
         let level_2_chunks = Layout::default()
             .constraints([Constraint::Percentage(10), Constraint::Percentage(80),Constraint::Percentage(10),].as_ref())
             .direction(Direction::Horizontal)
             .split(top_level_chunks[3]);
 
-        List::new(rpts_to_prnt)
-            .block(
-                Block::default()
+        let rpts_to_prnt: Vec<_> = app.to_print_by_title.iter().map(|i| ListItem::new(*i)).collect();
+        let to_print = List::new(rpts_to_prnt)
+            .block(Block::default()
                 .borders(Borders::ALL)
                 .title("Reports to be exported")
-                    .title_style(Style::default().fg(Color::LightYellow).modifier(Modifier::BOLD).modifier(Modifier::UNDERLINED))
-            )
-            .render(&mut f, level_2_chunks[1]);
+                .title_style(Style::default().fg(Color::LightYellow).add_modifier(Modifier::BOLD).add_modifier(Modifier::UNDERLINED))
+            );
+            f.render_widget(to_print, level_2_chunks[1])
     })
 }