105 lines
3.0 KiB
Rust
105 lines
3.0 KiB
Rust
use std::cell::RefCell;
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use ui::{Components, UiMutex};
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use shell::Shell;
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use neovim_lib::{NeovimApi, CallError, Value};
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use gtk;
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use gtk::prelude::*;
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use gtk::{MessageDialog, MessageType, ButtonsType};
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pub fn can_close_window(comps: &UiMutex<Components>, shell: &RefCell<Shell>) -> bool {
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let shell = shell.borrow();
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match get_changed_buffers(&*shell) {
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Ok(vec) => {
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if !vec.is_empty() {
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show_not_saved_dlg(comps, &*shell, &vec)
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} else {
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true
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}
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}
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Err(ref err) => {
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println!("Error getting info from nvim: {}", err);
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true
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}
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}
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}
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fn show_not_saved_dlg(comps: &UiMutex<Components>,
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shell: &Shell,
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changed_bufs: &Vec<String>)
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-> bool {
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let mut changed_files = changed_bufs
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.iter()
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.map(|n| if n.is_empty() { "<No name>" } else { n })
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.fold(String::new(), |acc, v| acc + v + "\n");
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changed_files.pop();
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let flags = gtk::DIALOG_MODAL | gtk::DIALOG_DESTROY_WITH_PARENT;
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let dlg = MessageDialog::new(Some(comps.borrow().window()),
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flags,
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MessageType::Question,
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ButtonsType::None,
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&format!("Save changes to '{}'?", changed_files));
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const SAVE_ID: i32 = 0;
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const CLOSE_WITHOUT_SAVE: i32 = 1;
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const CANCEL_ID: i32 = 2;
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dlg.add_buttons(&[("_Yes", SAVE_ID),
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("_No", CLOSE_WITHOUT_SAVE),
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("_Cancel", CANCEL_ID)]);
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let res = match dlg.run() {
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SAVE_ID => {
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let state = shell.state.borrow();
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let mut nvim = state.nvim();
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match nvim.command("wa") {
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Err(ref err) => {
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println!("Error: {}", err);
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false
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}
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_ => true,
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}
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}
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CLOSE_WITHOUT_SAVE => true,
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CANCEL_ID => false,
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_ => false,
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};
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dlg.destroy();
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res
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}
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fn get_changed_buffers(shell: &Shell) -> Result<Vec<String>, CallError> {
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let state = shell.state.borrow();
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let mut nvim = state.nvim();
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let buffers = nvim.get_buffers().unwrap();
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Ok(buffers
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.iter()
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.map(|buf| {
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(match buf.get_option(&mut nvim, "modified") {
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Ok(Value::Boolean(val)) => val,
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Ok(_) => {
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println!("Value must be boolean");
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false
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}
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Err(ref err) => {
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println!("Something going wrong while getting buffer option: {}", err);
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false
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}
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},
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match buf.get_name(&mut nvim) {
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Ok(name) => name,
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Err(ref err) => {
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println!("Something going wrong while getting buffer name: {}", err);
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"<Error>".to_owned()
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}
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})
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})
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.filter(|e| e.0)
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.map(|e| e.1)
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.collect())
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}
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