2016-03-31 10:09:34 +00:00
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use std::cell::RefCell;
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use std::thread;
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2016-03-16 15:25:25 +00:00
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use cairo;
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use gtk;
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use gtk::prelude::*;
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2016-03-17 13:58:21 +00:00
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use gtk::{Window, WindowType, DrawingArea, Grid, ToolButton, ButtonBox, Orientation, Image};
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2016-03-28 10:09:31 +00:00
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use neovim_lib::Neovim;
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2016-03-16 15:25:25 +00:00
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2016-03-19 08:47:23 +00:00
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use ui_model::UiModel;
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2016-03-23 11:59:18 +00:00
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use nvim::RedrawEvents;
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2016-03-19 08:47:23 +00:00
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2016-03-31 10:09:34 +00:00
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thread_local!(pub static UI: RefCell<Ui> = {
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let thread = thread::current();
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let current_thread_name = thread.name();
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if current_thread_name != Some("<main>") {
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panic!("Can create UI only from main thread, {:?}", current_thread_name);
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}
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RefCell::new(Ui::new())
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});
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2016-03-19 10:27:39 +00:00
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pub struct Ui {
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2016-03-28 15:05:10 +00:00
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pub model: UiModel,
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2016-03-28 10:09:31 +00:00
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nvim: Option<Neovim>,
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2016-03-31 10:09:34 +00:00
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drawing_area: DrawingArea,
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2016-03-19 10:27:39 +00:00
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}
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2016-03-16 15:25:25 +00:00
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impl Ui {
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pub fn new() -> Ui {
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2016-03-19 10:27:39 +00:00
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Ui {
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model: UiModel::empty(),
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2016-03-31 10:09:34 +00:00
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drawing_area: DrawingArea::new(),
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2016-03-28 10:09:31 +00:00
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nvim: None,
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2016-03-19 10:27:39 +00:00
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}
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2016-03-16 15:25:25 +00:00
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}
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2016-03-28 10:09:31 +00:00
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pub fn set_nvim(&mut self, nvim: Neovim) {
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self.nvim = Some(nvim);
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}
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pub fn nvim(&mut self) -> &mut Neovim {
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self.nvim.as_mut().unwrap()
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}
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2016-03-31 10:09:34 +00:00
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pub fn init(&mut self) {
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2016-03-16 15:25:25 +00:00
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let window = Window::new(WindowType::Toplevel);
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let grid = Grid::new();
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let button_bar = ButtonBox::new(Orientation::Horizontal);
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2016-03-17 13:58:21 +00:00
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button_bar.set_hexpand(true);
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button_bar.set_layout(gtk::ButtonBoxStyle::Start);
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let open_image = Image::new_from_icon_name("document-open", 50);
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let open_btn = ToolButton::new(Some(&open_image), None);
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button_bar.add(&open_btn);
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let save_image = Image::new_from_icon_name("document-save", 50);
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let save_btn = ToolButton::new(Some(&save_image), None);
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button_bar.add(&save_btn);
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let exit_image = Image::new_from_icon_name("application-exit", 50);
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let exit_btn = ToolButton::new(Some(&exit_image), None);
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button_bar.add(&exit_btn);
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2016-03-16 15:25:25 +00:00
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grid.attach(&button_bar, 0, 0, 1, 1);
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2016-03-31 10:09:34 +00:00
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self.drawing_area.set_size_request(500, 500);
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self.drawing_area.set_hexpand(true);
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self.drawing_area.set_vexpand(true);
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grid.attach(&self.drawing_area, 0, 1, 1, 1);
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self.drawing_area.connect_draw(gtk_draw);
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2016-03-16 15:25:25 +00:00
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window.add(&grid);
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window.show_all();
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2016-03-31 10:09:34 +00:00
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window.connect_delete_event(|_, _| {
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2016-03-16 15:25:25 +00:00
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gtk::main_quit();
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Inhibit(false)
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});
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}
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2016-03-31 10:09:34 +00:00
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}
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2016-03-16 15:25:25 +00:00
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2016-03-31 10:09:34 +00:00
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fn gtk_draw(drawing_area: &DrawingArea, ctx: &cairo::Context) -> Inhibit {
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let width = drawing_area.get_allocated_width() as f64;
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let height = drawing_area.get_allocated_height() as f64;
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let font_face = cairo::FontFace::toy_create("",
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cairo::enums::FontSlant::Normal,
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cairo::enums::FontWeight::Normal);
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ctx.set_font_face(font_face);
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UI.with(|ui_cell| {
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ctx.set_source_rgb(0.0, 0.0, 0.0);
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let ui = ui_cell.borrow();
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let mut line_y = 30.0;
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for line in ui.model.lines() {
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ctx.move_to(0.0, line_y);
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ctx.show_text(&line);
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line_y += 30.0;
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}
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});
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Inhibit(true)
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2016-03-16 15:25:25 +00:00
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}
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2016-03-23 11:59:18 +00:00
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impl RedrawEvents for Ui {
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2016-03-28 14:03:21 +00:00
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fn on_cursor_goto(&mut self, row: u64, col: u64) {
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self.model.set_cursor(row, col);
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}
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2016-03-28 15:05:10 +00:00
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fn on_put(&mut self, text: &str) {
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self.model.put(text);
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}
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2016-03-29 09:22:16 +00:00
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fn on_clear(&mut self) {
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self.model.clear();
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}
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2016-03-29 09:43:01 +00:00
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fn on_resize(&mut self, columns: u64, rows: u64) {
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self.model = UiModel::new(rows, columns);
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}
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2016-03-23 11:59:18 +00:00
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}
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