iamb 0.0.6

A Matrix chat client that uses Vim keybindings
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use std::ops::{Deref, DerefMut};

use modalkit::tui::{buffer::Buffer, layout::Rect};

use modalkit::{
    widgets::textbox::TextBoxState,
    widgets::WindowOps,
    widgets::{TermOffset, TerminalCursor},
};

use modalkit::editing::action::EditInfo;
use modalkit::editing::base::{CloseFlags, WordStyle, WriteFlags};
use modalkit::editing::completion::CompletionList;

use crate::base::{IambBufferId, IambInfo, IambResult, ProgramStore};

const WELCOME_TEXT: &str = include_str!("welcome.md");

pub struct WelcomeState {
    tbox: TextBoxState<IambInfo>,
}

impl WelcomeState {
    pub fn new(store: &mut ProgramStore) -> Self {
        let buf = store.buffers.load_str(IambBufferId::Welcome, WELCOME_TEXT);
        let mut tbox = TextBoxState::new(buf);
        tbox.set_readonly(true);

        WelcomeState { tbox }
    }
}

impl Deref for WelcomeState {
    type Target = TextBoxState<IambInfo>;

    fn deref(&self) -> &Self::Target {
        return &self.tbox;
    }
}

impl DerefMut for WelcomeState {
    fn deref_mut(&mut self) -> &mut Self::Target {
        return &mut self.tbox;
    }
}

impl TerminalCursor for WelcomeState {
    fn get_term_cursor(&self) -> Option<TermOffset> {
        self.tbox.get_term_cursor()
    }
}

impl WindowOps<IambInfo> for WelcomeState {
    fn draw(&mut self, area: Rect, buf: &mut Buffer, focused: bool, store: &mut ProgramStore) {
        self.tbox.draw(area, buf, focused, store)
    }

    fn dup(&self, store: &mut ProgramStore) -> Self {
        let tbox = self.tbox.dup(store);

        WelcomeState { tbox }
    }

    fn close(&mut self, flags: CloseFlags, store: &mut ProgramStore) -> bool {
        self.tbox.close(flags, store)
    }

    fn write(
        &mut self,
        path: Option<&str>,
        flags: WriteFlags,
        store: &mut ProgramStore,
    ) -> IambResult<EditInfo> {
        self.tbox.write(path, flags, store)
    }

    fn get_completions(&self) -> Option<CompletionList> {
        self.tbox.get_completions()
    }

    fn get_cursor_word(&self, style: &WordStyle) -> Option<String> {
        self.tbox.get_cursor_word(style)
    }

    fn get_selected_word(&self) -> Option<String> {
        self.tbox.get_selected_word()
    }
}