Works, scroll isn't as nice as I'd like

src/main.rs

@@ -1,7 +1,11 @@
 #![feature(iter_map_windows)]
 use iced::{
-    Element, Task, clipboard,
-    widget::{self, button, column, combo_box, row, scrollable, text, text_input},
+    Element, Length, Task, clipboard,
+    widget::{
+        self, button, column, combo_box, row, scrollable,
+        scrollable::{Direction, Scrollbar},
+        text, text_input,
+    },
 };
 use std::{env, fs, path::PathBuf};
 use texts::*;
@@ -35,19 +39,18 @@ fn main() -> iced::Result {
 
 #[derive(Debug, Clone)]
 enum Message {
-    BibleSearchInput(String),
-    BibleSelected(String),
-    BibleSearchSubmit,
-    CopyText,
-    Clear,
-    WordSearchInput(String),
-    SubmitWordSearch,
-    QuickSearch(String),
+    BibleSearchInput(usize, String),
+    BibleSelected(usize, String),
+    BibleSearchSubmit(usize),
+    CopyText(usize),
+    Clear(usize),
+    WordSearchInput(usize, String),
+    SubmitWordSearch(usize),
+    QuickSearch(usize, String),
     AddColRight,
 }
 
-struct State {
-    files: combo_box::State<String>,
+struct ColState {
     selected_file: Option<String>,
     bible_selected: Option<bible::Bible>,
 
@@ -56,9 +59,29 @@ struct State {
 
     word_search: String,
     word_search_results: Option<Vec<String>>,
+}
 
+impl Default for ColState {
+    fn default() -> Self {
+        Self {
+            selected_file: None,
+            bible_selected: None,
+
+            bible_search: String::new(),
+            scripture_body: None,
+
+            word_search: String::new(),
+            word_search_results: None,
+        }
+    }
+}
+
+struct State {
+    files: combo_box::State<String>,
+    states: Vec<ColState>,
     cols: usize,
 }
+
 impl Default for State {
     fn default() -> Self {
         let files = if let Ok(contents) = fs::read_dir(BIBLE_DIRECTORY) {
@@ -85,15 +108,7 @@ impl Default for State {
 
         Self {
             files: combo_box::State::new(files),
-            selected_file: None,
-            bible_selected: None,
-
-            bible_search: String::new(),
-            scripture_body: None,
-
-            word_search: String::new(),
-            word_search_results: None,
-
+            states: vec![ColState::default()],
             cols: 1,
         }
     }
@@ -102,110 +117,122 @@ impl Default for State {
 impl State {
     fn update(&mut self, msg: Message) -> Task<Message> {
         match msg {
-            Message::AddColRight => self.cols += 1,
-            Message::BibleSelected(file) => {
+            Message::AddColRight => {
+                self.cols += 1;
+                // clone this state into the new one
+                // self.states.push(self.states.into_iter().last().unwrap().clone())
+                self.states.push(ColState::default())
+            }
+            Message::BibleSelected(i, file) => {
                 if let Ok(contents) = fs::read_to_string(&file) {
                     if let Ok(bible) = quick_xml::de::from_str::<bible::Bible>(&contents) {
                         // State is held technically in this variable, although
                         // the Bible is held in memory in it's own variable.
-                        self.selected_file = Some(format!("{bible}"));
-                        self.bible_selected = Some(bible);
+                        self.states[i].selected_file = Some(format!("{bible}"));
+                        self.states[i].bible_selected = Some(bible);
                         // automatically focus the search bar when done here
-                        return text_input::focus("bible-search");
+                        // return text_input::focus("bible-search");
                     }
                 }
             }
-            Message::QuickSearch(s) => {
-                self.bible_search = s;
-                return self.update(Message::BibleSearchSubmit);
+            Message::QuickSearch(i, s) => {
+                self.states[i].bible_search = s;
+                return self.update(Message::BibleSearchSubmit(i));
             }
-            Message::BibleSearchInput(query) => self.bible_search = query,
-            Message::WordSearchInput(query) => self.word_search = query,
-            Message::BibleSearchSubmit => {
-                let mut splits = self.bible_search.split_whitespace();
+            Message::BibleSearchInput(i, query) => self.states[i].bible_search = query,
+            Message::WordSearchInput(i, query) => self.states[i].word_search = query,
+            Message::BibleSearchSubmit(i) => {
+                let mut splits = self.states[i].bible_search.split_whitespace();
                 let book = splits.next();
                 let location = splits.next();
 
                 if let (Some(book), Some(chap_and_ver), Some(bible)) =
-                    (book, location, &self.bible_selected)
+                    (book, location, &self.states[i].bible_selected)
                 {
-                    self.scripture_body = bible::get(book, chap_and_ver, vec![bible]);
+                    self.states[i].scripture_body = bible::get(book, chap_and_ver, vec![bible]);
                 }
             }
-            Message::SubmitWordSearch => {
-                if let Some(bible) = &self.bible_selected {
-                    let res = bible::search_for_word(&self.word_search, bible);
-                    self.word_search_results = Some(res);
+            Message::SubmitWordSearch(i) => {
+                if let Some(bible) = &self.states[i].bible_selected {
+                    let res = bible::search_for_word(&self.states[i].word_search, bible);
+                    self.states[i].word_search_results = Some(res);
                 }
             }
-            Message::CopyText => {
-                if let Some(text) = &self.scripture_body {
+            Message::CopyText(i) => {
+                if let Some(text) = &self.states[i].scripture_body {
                     return clipboard::write::<Message>(parse(text));
                 }
             }
-            Message::Clear => {
-                self.scripture_body = None;
-                self.word_search_results = None;
-                self.bible_search = String::new();
-                self.word_search = String::new();
-                return text_input::focus("bible-search");
+            Message::Clear(i) => {
+                self.states[i].scripture_body = None;
+                self.states[i].word_search_results = None;
+                self.states[i].bible_search = String::new();
+                self.states[i].word_search = String::new();
+                // return text_input::focus("bible-search");
             }
         };
         Task::none()
     }
 
     fn view(&self) -> Element<Message> {
-        let body = if let Some(body) = self.scripture_body.clone() {
-            parse(&body)
-        } else {
-            String::new()
-        };
-
-        scrollable(row((0..self.cols).map(|_| {
-            row![
-                button("-"),
+        scrollable(row![
+            row((0..self.cols).map(|col_index| {
                 column![
                     combo_box(
                         &self.files,
                         "Select Bible",
-                        self.selected_file.as_ref(),
-                        Message::BibleSelected
+                        self.states[col_index].selected_file.as_ref(),
+                        move |s| Message::BibleSelected(col_index, s)
                     ),
-                    text_input("Search query, ie: Gen 1:1", &self.bible_search)
-                        .on_input(Message::BibleSearchInput)
-                        .on_submit(Message::BibleSearchSubmit)
-                        .id("bible-search"),
-                    widget::text_input("Word Search", &self.word_search)
-                        .on_input(Message::WordSearchInput)
-                        .on_submit(Message::SubmitWordSearch)
-                        .id("word-search"),
+                    text_input(
+                        "Search query, ie: Gen 1:1",
+                        &self.states[col_index].bible_search
+                    )
+                    .on_input(move |s| Message::BibleSearchInput(col_index, s))
+                    .on_submit(Message::BibleSearchSubmit(col_index)),
+                    widget::text_input("Word Search", &self.states[col_index].word_search)
+                        .on_input(move |s| Message::WordSearchInput(col_index, s))
+                        .on_submit(Message::SubmitWordSearch(col_index)),
                     row![
-                        button("Clear All").on_press(Message::Clear),
-                        button("Copy Scripture").on_press(Message::CopyText),
+                        button("Clear All").on_press_with(move || Message::Clear(col_index)),
+                        button("Copy Scripture")
+                            .on_press_with(move || Message::CopyText(col_index)),
                     ],
                     row![
-                        scrollable(column(
-                            self.word_search_results
-                                .clone()
-                                .unwrap_or(Vec::new())
-                                .into_iter()
-                                .map(|i| button(text(i.clone()))
-                                    .on_press_with(move || Message::QuickSearch(i.to_owned()))
-                                    .into())
-                        )),
-                        scrollable(text(body.clone()))
+                        scrollable(
+                            column(
+                                self.states[col_index]
+                                    .word_search_results
+                                    .clone()
+                                    .unwrap_or(Vec::new())
+                                    .into_iter()
+                                    .map(|i| button(text(i.clone()))
+                                        .on_press_with(move || Message::QuickSearch(
+                                            col_index,
+                                            i.to_owned()
+                                        ))
+                                        .into())
+                            )
+                            .padding([5, 5])
+                        ),
+                        scrollable(text(
+                            if let Some(body) = self.states[col_index].scripture_body.clone() {
+                                parse(&body)
+                            } else {
+                                String::new()
+                            }
+                        ))
                     ],
-                ],
-                button(text("+").center())
-                    .height(iced::Length::FillPortion(1))
-                    .on_press(Message::AddColRight)
-            ]
-            .into()
-        })))
-        .direction(scrollable::Direction::Both {
-            vertical: scrollable::Scrollbar::new(),
-            horizontal: scrollable::Scrollbar::new(),
-        })
+                ]
+                .padding([10, 5])
+                .width(800.)
+                .into()
+            })),
+            button(text("+").center())
+                .height(Length::Fixed(200.))
+                .on_press(Message::AddColRight)
+        ])
+        .direction(Direction::Horizontal(Scrollbar::new()))
         .into()
     }
 }