flatten workspace into 1 crate

.old/src/help.rs

@@ -0,0 +1,96 @@
+//! Help modal / command palette.
+
+use crate::*;
+
+/// Command palette.
+pub struct HelpModal {
+    cursor: usize,
+    search: Option<String>,
+    exited: bool,
+}
+impl HelpModal {
+    pub fn new () -> Self {
+        Self { cursor: 0, search: None, exited: false }
+    }
+}
+
+impl Exit for HelpModal {
+    fn exited (&self) -> bool {
+        self.exited
+    }
+    fn exit (&mut self) {
+        self.exited = true
+    }
+}
+
+render!(HelpModal |self, buf, area|{
+    make_dim(buf);
+    let area = center_box(area, 64, 20);
+    fill_fg(buf, area, Color::Reset);
+    fill_bg(buf, area, Nord::bg_lo(true, true));
+    fill_char(buf, area, ' ');
+    let x = area.x + 2;
+    let y = area.y + 1;
+    "Command:"
+        .blit(buf, x,     y, Some(Style::default().bold()))?;
+    " ".repeat(area.width as usize - 13)
+        .blit(buf, x + 9, y, Some(Style::default().bg(Color::Reset)))?;
+    if let Some(search) = self.search.as_ref() {
+        search.blit(buf, x + 9, y, Some(Style::default().not_dim()))?;
+    }
+    let y = y + 1;
+    fill_char(buf, Rect { y, height: 1, ..area }, '-');
+    let y = y + 1;
+    for i in 0..area.height-3 {
+        let y = y + i;
+        if let Some(command) = crate::control::KEYMAP_FOCUS.get(i as usize) {
+            format!("{:?}", command.0).blit(buf, x, y, Some(Style::default().white().bold()))?;
+            command.2.blit(buf, x + 11, y, Some(Style::default().white().bold()))?;
+            command.3.blit(buf, x + 26, y, Some(Style::default().white().dim()))?;
+        } else if let Some(command) = crate::control::KEYMAP_GLOBAL.get((i as usize) - crate::control::KEYMAP_FOCUS.len()) {
+            format!("{:?}", command.0).blit(buf, x, y, Some(Style::default().white().bold()))?;
+            command.2.blit(buf, x + 11, y, Some(Style::default().white().bold()))?;
+            command.3.blit(buf, x + 26, y, Some(Style::default().white().dim()))?;
+        } else {
+            break
+        }
+    }
+    let hi_area = Rect { x: area.x + 1, width: area.width - 2, y: area.y + 3 + self.cursor as u16, height: 1 };
+    fill_bg(buf, hi_area, Nord::bg_hi(true, true));
+    fill_fg(buf, hi_area, Color::White);
+    Lozenge(Style::default()).draw(buf, area)
+});
+
+handle!(HelpModal |self, e| {
+    if handle_keymap(self, e, KEYMAP_HELP)? {
+        return Ok(true)
+    }
+    Ok(match e {
+        AppEvent::Input(Event::Key(KeyEvent {
+            code:      KeyCode::Char(c),
+            modifiers: KeyModifiers::NONE, ..
+        })) => {
+            if self.search.is_none() {
+                self.search = Some(String::new());
+            }
+            self.search.as_mut().unwrap().push(*c);
+            true
+        },
+        _ => true
+    })
+});
+
+pub const KEYMAP_HELP: &'static [KeyBinding<HelpModal>] = keymap!(HelpModal {
+    [Esc,  NONE, "help_close", "close help dialog",       |modal: &mut HelpModal|{
+        modal.exit();
+        Ok(true)
+    }],
+    [Up,   NONE, "help_prev",  "select previous command", |modal: &mut HelpModal|{
+        modal.cursor = modal.cursor.saturating_sub(1);
+        Ok(true)
+    }],
+    [Down, NONE, "help_next",  "select next command",     |modal: &mut HelpModal|{
+        modal.cursor = modal.cursor + 1;
+        Ok(true)
+    }],
+});