pub fn interact_on(&self, term: &Term) -> io::Result<Vec<usize>> {
        let mut page = 0;
        let mut capacity = self.items.len();
        if self.paged {
            capacity = (term.size().0 as usize) / self.lines_per_item - self.offset;
        }
        let pages = (self.items.len() / capacity) + 1;
        let mut render = TermThemeRenderer::new(term, self.theme);
        let mut sel = 0;
        if let Some(ref prompt) = self.prompt {
            render.prompt(prompt)?;
        }
        let mut size_vec = Vec::new();
        for items in self.items.iter().flat_map(|i| i.split('\n')).collect::<Vec<_>>() {
            let size = &items.len();
            size_vec.push(size.clone());
        }
        let mut checked: Vec<bool> = self.defaults.clone();
        loop {
            for (idx, item) in self
                .items
                .iter()
                .enumerate()
                .skip(page * capacity)
                .take(capacity)
            {
                render.selection(
                    item,
                    match (checked[idx], sel == idx) {
                        (true, true) => SelectionStyle::CheckboxCheckedSelected,
                        (true, false) => SelectionStyle::CheckboxCheckedUnselected,
                        (false, true) => SelectionStyle::CheckboxUncheckedSelected,
                        (false, false) => SelectionStyle::CheckboxUncheckedUnselected,
                    },
                )?;
            }
            match term.read_key()? {
                Key::ArrowDown | Key::Char('j') => {
                    if sel == !0 {
                        sel = 0;
                    } else {
                        sel = (sel as u64 + 1).rem(self.items.len() as u64) as usize;
                    }
                }
                Key::ArrowUp | Key::Char('k') => {
                    if sel == !0 {
                        sel = self.items.len() - 1;
                    } else {
                        sel = ((sel as i64 - 1 + self.items.len() as i64)
                            % (self.items.len() as i64)) as usize;
                    }
                }
                Key::ArrowLeft | Key::Char('h') => {
                    if self.paged {
                        if page == 0 {
                            page = pages - 1;
                        } else {
                            page = page - 1;
                        }
                        sel = page * capacity;
                    }
                }
                Key::ArrowRight | Key::Char('l') => {
                    if self.paged {
                        if page == pages - 1 {
                            page = 0;
                        } else {
                            page = page + 1;
                        }
                        sel = page * capacity;
                    }
                }
                Key::Char(' ') => {
                    checked[sel] = !checked[sel];
                }
                Key::Escape => {
                    if self.clear {
                        render.clear()?;
                    }
                    if let Some(ref prompt) = self.prompt {
                        render.multi_prompt_selection(prompt, &[][..])?;
                    }
                    return Ok(
                        self.defaults.clone()
                            .into_iter()
                            .enumerate()
                            .filter_map(|(idx, checked)| if checked { Some(idx) } else { None })
                            .collect()
                    );
                }
                Key::Enter => {
                    if self.clear {
                        render.clear()?;
                    }
                    if let Some(ref prompt) = self.prompt {
                        let selections: Vec<_> = checked
                            .iter()
                            .enumerate()
                            .filter_map(|(idx, &checked)| {
                                if checked {
                                    Some(self.items[idx].as_str())
                                } else {
                                    None
                                }
                            })
                            .collect();
                        render.multi_prompt_selection(prompt, &selections[..])?;
                    }
                    return Ok(checked
                        .into_iter()
                        .enumerate()
                        .filter_map(|(idx, checked)| if checked { Some(idx) } else { None })
                        .collect());
                }
                _ => {}
            }
            if sel < page * capacity || sel >= (page + 1) * capacity {
                page = sel / capacity;
            }
            render.clear_preserve_prompt(&size_vec)?;
        }
    }
/// Like `interact` but allows a specific terminal to be set.
Like `interact` but allows a specific terminal to be set.
Like ` interact ` but allows a specific terminal to be set .
pub fn interact_on(&self, term: &Term) -> io::Result<Vec<usize>> {
        let mut page = 0;
        let mut capacity = self.items.len();
        if self.paged {
            capacity = (term.size().0 as usize) / self.lines_per_item - self.offset;
        }
        let pages = (self.items.len() / capacity) + 1;
        let mut render = TermThemeRenderer::new(term, self.theme);
        let mut sel = 0;
        if let Some(ref prompt) = self.prompt {
            render.prompt(prompt)?;
        }
        let mut size_vec = Vec::new();
        for items in self.items.iter().flat_map(|i| i.split('\n')).collect::<Vec<_>>() {
            let size = &items.len();
            size_vec.push(size.clone());
        }
        let mut checked: Vec<bool> = self.defaults.clone();
        loop {
            for (idx, item) in self
                .items
                .iter()
                .enumerate()
                .skip(page * capacity)
                .take(capacity)
            {
                render.selection(
                    item,
                    match (checked[idx], sel == idx) {
                        (true, true) => SelectionStyle::CheckboxCheckedSelected,
                        (true, false) => SelectionStyle::CheckboxCheckedUnselected,
                        (false, true) => SelectionStyle::CheckboxUncheckedSelected,
                        (false, false) => SelectionStyle::CheckboxUncheckedUnselected,
                    },
                )?;
            }
            match term.read_key()? {
                Key::ArrowDown | Key::Char('j') => {
                    if sel == !0 {
                        sel = 0;
                    } else {
                        sel = (sel as u64 + 1).rem(self.items.len() as u64) as usize;
                    }
                }
                Key::ArrowUp | Key::Char('k') => {
                    if sel == !0 {
                        sel = self.items.len() - 1;
                    } else {
                        sel = ((sel as i64 - 1 + self.items.len() as i64)
                            % (self.items.len() as i64)) as usize;
                    }
                }
                Key::ArrowLeft | Key::Char('h') => {
                    if self.paged {
                        if page == 0 {
                            page = pages - 1;
                        } else {
                            page = page - 1;
                        }
                        sel = page * capacity;
                    }
                }
                Key::ArrowRight | Key::Char('l') => {
                    if self.paged {
                        if page == pages - 1 {
                            page = 0;
                        } else {
                            page = page + 1;
                        }
                        sel = page * capacity;
                    }
                }
                Key::Char(' ') => {
                    checked[sel] = !checked[sel];
                }
                Key::Escape => {
                    if self.clear {
                        render.clear()?;
                    }
                    if let Some(ref prompt) = self.prompt {
                        render.multi_prompt_selection(prompt, &[][..])?;
                    }
                    return Ok(
                        self.defaults.clone()
                            .into_iter()
                            .enumerate()
                            .filter_map(|(idx, checked)| if checked { Some(idx) } else { None })
                            .collect()
                    );
                }
                Key::Enter => {
                    if self.clear {
                        render.clear()?;
                    }
                    if let Some(ref prompt) = self.prompt {
                        let selections: Vec<_> = checked
                            .iter()
                            .enumerate()
                            .filter_map(|(idx, &checked)| {
                                if checked {
                                    Some(self.items[idx].as_str())
                                } else {
                                    None
                                }
                            })
                            .collect();
                        render.multi_prompt_selection(prompt, &selections[..])?;
                    }
                    return Ok(checked
                        .into_iter()
                        .enumerate()
                        .filter_map(|(idx, checked)| if checked { Some(idx) } else { None })
                        .collect());
                }
                _ => {}
            }
            if sel < page * capacity || sel >= (page + 1) * capacity {
                page = sel / capacity;
            }
            render.clear_preserve_prompt(&size_vec)?;
        }
    }
pub fn interact_on ( & self , term : & Term ) -> io :: Result < Vec < usize > > { let mut page = 0 ; let mut capacity = self . items . len ( ) ; if self . paged { capacity = ( term . size ( ) . 0 as usize ) / self . lines_per_item - self . offset ; } let pages = ( self . items . len ( ) / capacity ) + 1 ; let mut render = TermThemeRenderer :: new ( term , self . theme ) ; let mut sel = 0 ; if let Some ( ref prompt ) = self . prompt { render . prompt ( prompt ) ? ; } let mut size_vec = Vec :: new ( ) ; for items in self . items . iter ( ) . flat_map ( | i | i . split ( '\n' ) ) . collect :: < Vec < _ > > ( ) { let size = & items . len ( ) ; size_vec . push ( size . clone ( ) ) ; } let mut checked : Vec < bool > = self . defaults . clone ( ) ; loop { for ( idx , item ) in self . items . iter ( ) . enumerate ( ) . skip ( page * capacity ) . take ( capacity ) { render . selection ( item , match ( checked [ idx ] , sel == idx ) { ( true , true ) => SelectionStyle :: CheckboxCheckedSelected , ( true , false ) => SelectionStyle :: CheckboxCheckedUnselected , ( false , true ) => SelectionStyle :: CheckboxUncheckedSelected , ( false , false ) => SelectionStyle :: CheckboxUncheckedUnselected , } , ) ? ; } match term . read_key ( ) ? { Key :: ArrowDown | Key :: Char ( 'j' ) => { if sel == ! 0 { sel = 0 ; } else { sel = ( sel as u64 + 1 ) . rem ( self . items . len ( ) as u64 ) as usize ; } } Key :: ArrowUp | Key :: Char ( 'k' ) => { if sel == ! 0 { sel = self . items . len ( ) - 1 ; } else { sel = ( ( sel as i64 - 1 + self . items . len ( ) as i64 ) % ( self . items . len ( ) as i64 ) ) as usize ; } } Key :: ArrowLeft | Key :: Char ( 'h' ) => { if self . paged { if page == 0 { page = pages - 1 ; } else { page = page - 1 ; } sel = page * capacity ; } } Key :: ArrowRight | Key :: Char ( 'l' ) => { if self . paged { if page == pages - 1 { page = 0 ; } else { page = page + 1 ; } sel = page * capacity ; } } Key :: Char ( ' ' ) => { checked [ sel ] = ! checked [ sel ] ; } Key :: Escape => { if self . clear { render . clear ( ) ? ; } if let Some ( ref prompt ) = self . prompt { render . multi_prompt_selection ( prompt , & [ ] [ .. ] ) ? ; } return Ok ( self . defaults . clone ( ) . into_iter ( ) . enumerate ( ) . filter_map ( | ( idx , checked ) | if checked { Some ( idx ) } else { None } ) . collect ( ) ) ; } Key :: Enter => { if self . clear { render . clear ( ) ? ; } if let Some ( ref prompt ) = self . prompt { let selections : Vec < _ > = checked . iter ( ) . enumerate ( ) . filter_map ( | ( idx , & checked ) | { if checked { Some ( self . items [ idx ] . as_str ( ) ) } else { None } } ) . collect ( ) ; render . multi_prompt_selection ( prompt , & selections [ .. ] ) ? ; } return Ok ( checked . into_iter ( ) . enumerate ( ) . filter_map ( | ( idx , checked ) | if checked { Some ( idx ) } else { None } ) . collect ( ) ) ; } _ => { } } if sel < page * capacity || sel >= ( page + 1 ) * capacity { page = sel / capacity ; } render . clear_preserve_prompt ( & size_vec ) ? ; } }
Like `interact` but allows a specific terminal to be set.
Like ` interact ` but allows a specific terminal to be set .
&self
term
&Term