Feat: UI / UX

src/input/help_page.rs

@@ -3,7 +3,7 @@ use std::sync::atomic::Ordering;
 
 use super::{InputContext, InputResult};
 use crate::commands::AppCommand;
-use crate::state::{ConfirmAction, DictFocus, HelpFocus, Modal};
+use crate::state::{ConfirmAction, DictFocus, FlashKind, HelpFocus, Modal};
 
 pub(super) fn handle_help_page(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
     let ctrl = key.modifiers.contains(KeyModifiers::CONTROL);
@@ -26,7 +26,22 @@ pub(super) fn handle_help_page(ctx: &mut InputContext, key: KeyEvent) -> InputRe
         KeyCode::Esc if !ctx.app.ui.help_search_query.is_empty() => {
             ctx.dispatch(AppCommand::HelpClearSearch);
         }
+        KeyCode::Esc if ctx.app.ui.help_focused_block.is_some() => {
+            ctx.app.ui.help_focused_block = None;
+        }
         KeyCode::Tab => ctx.dispatch(AppCommand::HelpToggleFocus),
+        KeyCode::Char('n') if ctx.app.ui.help_focus == HelpFocus::Content => {
+            navigate_code_block(ctx, true);
+        }
+        KeyCode::Char('p') if ctx.app.ui.help_focus == HelpFocus::Content => {
+            navigate_code_block(ctx, false);
+        }
+        KeyCode::Enter
+            if ctx.app.ui.help_focus == HelpFocus::Content
+                && ctx.app.ui.help_focused_block.is_some() =>
+        {
+            execute_focused_block(ctx);
+        }
         KeyCode::Char('j') | KeyCode::Down if ctrl => {
             ctx.dispatch(AppCommand::HelpNextTopic(5));
         }
@@ -49,6 +64,8 @@ pub(super) fn handle_help_page(ctx: &mut InputContext, key: KeyEvent) -> InputRe
                 selected: false,
             }));
         }
+        KeyCode::Char('s') => super::open_save(ctx),
+        KeyCode::Char('l') => super::open_load(ctx),
         KeyCode::Char('?') => {
             ctx.dispatch(AppCommand::OpenModal(Modal::KeybindingsHelp { scroll: 0 }));
         }
@@ -62,6 +79,57 @@ pub(super) fn handle_help_page(ctx: &mut InputContext, key: KeyEvent) -> InputRe
     InputResult::Continue
 }
 
+fn navigate_code_block(ctx: &mut InputContext, forward: bool) {
+    let cache = ctx.app.ui.help_parsed.borrow();
+    let Some(parsed) = cache[ctx.app.ui.help_topic].as_ref() else {
+        return;
+    };
+    let count = parsed.code_blocks.len();
+    if count == 0 {
+        return;
+    }
+    let next = match ctx.app.ui.help_focused_block {
+        Some(cur) if forward => (cur + 1) % count,
+        Some(0) if !forward => count - 1,
+        Some(cur) if !forward => cur - 1,
+        _ if forward => 0,
+        _ => count - 1,
+    };
+    let scroll_to = parsed.code_blocks[next].start_line.saturating_sub(2);
+    drop(cache);
+    ctx.app.ui.help_focused_block = Some(next);
+    *ctx.app.ui.help_scroll_mut() = scroll_to;
+}
+
+fn execute_focused_block(ctx: &mut InputContext) {
+    let source = {
+        let cache = ctx.app.ui.help_parsed.borrow();
+        let Some(parsed) = cache[ctx.app.ui.help_topic].as_ref() else {
+            return;
+        };
+        let idx = ctx.app.ui.help_focused_block.unwrap();
+        let Some(block) = parsed.code_blocks.get(idx) else {
+            return;
+        };
+        block.source.clone()
+    };
+    let cleaned: String = source
+        .lines()
+        .map(|l| l.split(" => ").next().unwrap_or(l))
+        .collect::<Vec<_>>()
+        .join("\n");
+    match ctx
+        .app
+        .execute_script_oneshot(&cleaned, ctx.link, ctx.audio_tx)
+    {
+        Ok(()) => ctx.app.ui.flash("Executed", 100, FlashKind::Info),
+        Err(e) => ctx
+            .app
+            .ui
+            .flash(&format!("Error: {e}"), 200, FlashKind::Error),
+    }
+}
+
 pub(super) fn handle_dict_page(ctx: &mut InputContext, key: KeyEvent) -> InputResult {
     let ctrl = key.modifiers.contains(KeyModifiers::CONTROL);
 
@@ -100,6 +168,8 @@ pub(super) fn handle_dict_page(ctx: &mut InputContext, key: KeyEvent) -> InputRe
                 selected: false,
             }));
         }
+        KeyCode::Char('s') => super::open_save(ctx),
+        KeyCode::Char('l') => super::open_load(ctx),
         KeyCode::Char('?') => {
             ctx.dispatch(AppCommand::OpenModal(Modal::KeybindingsHelp { scroll: 0 }));
         }