128 lines
4.1 KiB
Rust
128 lines
4.1 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use cosmic::widget::{icon, Icon};
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use cosmic_text::{Attrs, Buffer, Edit, Shaping, SyntaxEditor, ViEditor, Wrap};
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use std::{fs, path::PathBuf, sync::Mutex};
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use crate::{fl, mime_icon, Config, FALLBACK_MIME_ICON, FONT_SYSTEM, SYNTAX_SYSTEM};
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pub struct Tab {
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pub path_opt: Option<PathBuf>,
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attrs: Attrs<'static>,
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pub editor: Mutex<ViEditor<'static>>,
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}
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impl Tab {
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pub fn new(config: &Config) -> Self {
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//TODO: do not repeat, used in App::init
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let attrs = cosmic_text::Attrs::new().family(cosmic_text::Family::Monospace);
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let mut buffer = Buffer::new_empty(config.metrics());
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buffer.set_text(
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&mut FONT_SYSTEM.lock().unwrap(),
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"",
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attrs,
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Shaping::Advanced,
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);
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let editor = SyntaxEditor::new(buffer, &SYNTAX_SYSTEM, config.syntax_theme()).unwrap();
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let mut tab = Self {
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path_opt: None,
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attrs,
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editor: Mutex::new(ViEditor::new(editor)),
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};
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// Update any other config settings
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tab.set_config(config);
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tab
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}
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pub fn set_config(&mut self, config: &Config) {
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let mut editor = self.editor.lock().unwrap();
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let mut font_system = FONT_SYSTEM.lock().unwrap();
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let mut editor = editor.borrow_with(&mut font_system);
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editor.set_auto_indent(config.auto_indent);
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editor.set_passthrough(!config.vim_bindings);
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editor.set_tab_width(config.tab_width);
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editor.buffer_mut().set_wrap(if config.word_wrap {
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Wrap::Word
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} else {
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Wrap::None
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});
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//TODO: dynamically discover light/dark changes
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editor.update_theme(config.syntax_theme());
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}
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pub fn open(&mut self, path: PathBuf) {
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let mut editor = self.editor.lock().unwrap();
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let mut font_system = FONT_SYSTEM.lock().unwrap();
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let mut editor = editor.borrow_with(&mut font_system);
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match editor.load_text(&path, self.attrs) {
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Ok(()) => {
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log::info!("opened {:?}", path);
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self.path_opt = match fs::canonicalize(&path) {
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Ok(ok) => Some(ok),
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Err(err) => {
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log::error!("failed to canonicalize {:?}: {}", path, err);
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Some(path)
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}
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};
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}
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Err(err) => {
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log::error!("failed to open {:?}: {}", path, err);
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self.path_opt = None;
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}
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}
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}
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pub fn save(&mut self) {
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if let Some(path) = &self.path_opt {
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let mut editor = self.editor.lock().unwrap();
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let mut text = String::new();
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for line in editor.buffer().lines.iter() {
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text.push_str(line.text());
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text.push('\n');
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}
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match fs::write(path, text) {
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Ok(()) => {
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editor.set_changed(false);
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log::info!("saved {:?}", path);
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}
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Err(err) => {
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log::error!("failed to save {:?}: {}", path, err);
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}
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}
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} else {
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log::warn!("tab has no path yet");
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}
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}
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pub fn changed(&self) -> bool {
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let editor = self.editor.lock().unwrap();
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editor.changed()
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}
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pub fn icon(&self, size: u16) -> Icon {
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match &self.path_opt {
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Some(path) => mime_icon(path, size),
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None => icon::from_name(FALLBACK_MIME_ICON).size(size).icon(),
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}
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}
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pub fn title(&self) -> String {
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//TODO: show full title when there is a conflict
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if let Some(path) = &self.path_opt {
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match path.file_name() {
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Some(file_name_os) => match file_name_os.to_str() {
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Some(file_name) => file_name.to_string(),
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None => format!("{}", path.display()),
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},
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None => format!("{}", path.display()),
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}
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} else {
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fl!("new-document")
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}
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}
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}
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