mirror of https://github.com/sgoudham/neovide.git
skulpin working! really fast
parent
9fe0adcb38
commit
568ca834a2
@ -1,122 +1,205 @@
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use std::sync::{Arc, Mutex};
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use std::any::Any;
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use druid_shell::{Application, WinHandler, WindowHandle, WinCtx, KeyEvent, WindowBuilder, RunLoop, HotKey, KeyCode};
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use druid_shell::piet::{
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Piet, PietFont, Color, FontBuilder, RenderContext, Text, TextLayoutBuilder
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};
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use druid_shell::kurbo::Rect;
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use skulpin::{CoordinateSystem, CoordinateSystemHelper, RendererBuilder};
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use skulpin::skia_safe::{Canvas, Color4f, Font, FontStyle, Point, Paint, Rect, Typeface};
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use skulpin::skia_safe::paint::Style;
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use skulpin::skia_safe::matrix::ScaleToFit;
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use skulpin::winit::dpi::LogicalSize;
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use skulpin::winit::event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent};
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use skulpin::winit::event_loop::{ControlFlow, EventLoop};
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use skulpin::winit::window::WindowBuilder;
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use neovim_lib::NeovimApi;
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use crate::editor::{DrawCommand, Editor, Colors};
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#[derive(new)]
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struct WindowState {
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editor: Arc<Mutex<Editor>>,
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const FONT_NAME: &str = "Delugia Nerd Font";
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const FONT_SIZE: f32 = 14.0;
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const FONT_WIDTH: f32 = 8.2;
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const FONT_HEIGHT: f32 = 16.4;
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#[new(default)]
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pub size: (f64, f64),
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#[new(default)]
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pub handle: WindowHandle,
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#[new(default)]
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pub font: Option<PietFont>
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}
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// fn process_draw_commands(draw_commands: &Vec<DrawCommand>, default_colors: &Colors, piet: &mut Piet, font: &PietFont) {
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// }
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const FONT_NAME: &str = "Delugia Nerd Font";
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const FONT_SIZE: f64 = 14.0;
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const FONT_WIDTH: f64 = 8.2;
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const FONT_HEIGHT: f64 = 16.4;
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fn draw(
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editor: &Arc<Mutex<Editor>>,
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canvas: &mut Canvas,
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_coordinate_system_helper: &CoordinateSystemHelper
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) {
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let typeface = Typeface::new(FONT_NAME, FontStyle::default()).expect("Could not load font file.");
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let font = Font::from_typeface(typeface, FONT_SIZE);
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let paint = Paint::new(Color4f::new(0.0, 1.0, 1.0, 1.0), None);
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// let shaper = Shaper::new(None);
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// if let Some((blob, _)) = shaper.shape_text_blob("This is a test ~==", font, false, 10000.0, Point::default()) {
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// canvas.draw_text_blob(&blob, (50, 50), &paint);
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// }
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let (draw_commands, default_colors, cursor_pos) = {
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let editor = editor.lock().unwrap();
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(editor.build_draw_commands().clone(), editor.default_colors.clone(), editor.cursor_pos.clone())
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};
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canvas.clear(default_colors.background.clone().unwrap().to_color());
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canvas.draw_str("This is a test!", (50, 50), &font, &paint);
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fn process_draw_commands(draw_commands: &Vec<DrawCommand>, default_colors: &Colors, piet: &mut Piet, font: &PietFont) {
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for command in draw_commands {
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let x = command.col_start as f64 * FONT_WIDTH;
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let y = command.row as f64 * FONT_HEIGHT + FONT_HEIGHT;
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let x = command.col_start as f32 * FONT_WIDTH;
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let y = command.row as f32 * FONT_HEIGHT + FONT_HEIGHT;
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let top = y - FONT_HEIGHT * 0.8;
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let top_left = (x, top);
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let width = command.text.chars().count() as f64 * FONT_WIDTH;
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let width = command.text.chars().count() as f32 * FONT_WIDTH;
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let height = FONT_HEIGHT;
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let bottom_right = (x + width, top + height);
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let region = Rect::from_points(top_left, bottom_right);
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piet.fill(region, &command.style.colors.background.clone().or(default_colors.background.clone()).unwrap());
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let region = Rect::new(x, top, x + width, top + height);
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let background_paint = Paint::new(command.style.colors.background.unwrap_or(default_colors.background.clone().unwrap()), None);
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canvas.draw_rect(region, &background_paint);
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let piet_text = piet.text();
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let text_layout = piet_text.new_text_layout(&font, &command.text).build().unwrap();
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piet.draw_text(&text_layout, (x, y), &command.style.colors.foreground.clone().or(default_colors.foreground.clone()).unwrap());
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let foreground_paint = Paint::new(command.style.colors.foreground.unwrap_or(default_colors.foreground.clone().unwrap()), None);
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canvas.draw_str(&command.text, (x, y), &font, &foreground_paint);
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}
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}
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impl WinHandler for WindowState {
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fn connect(&mut self, handle: &WindowHandle) {
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self.handle = handle.clone();
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}
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fn paint(&mut self, piet: &mut Piet, _ctx: &mut dyn WinCtx) -> bool {
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let text = piet.text();
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if self.font.is_none() {
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self.font = Some(text.new_font_by_name(FONT_NAME, FONT_SIZE).build().unwrap());
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}
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let font = self.font.as_ref().unwrap();
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let (draw_commands, default_colors, cursor_pos) = {
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let editor = self.editor.lock().unwrap();
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(editor.build_draw_commands().clone(), editor.default_colors.clone(), editor.cursor_pos.clone())
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};
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piet.clear(default_colors.background.clone().unwrap());
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process_draw_commands(&draw_commands, &default_colors, piet, font);
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let (cursor_grid_x, cursor_grid_y) = cursor_pos;
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let cursor_x = cursor_grid_x as f64 * FONT_WIDTH;
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let cursor_width = FONT_WIDTH / 8.0;
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let cursor_y = cursor_grid_y as f64 * FONT_HEIGHT + FONT_HEIGHT * 0.2;
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let cursor_height = FONT_HEIGHT;
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let cursor = Rect::from_points((cursor_x, cursor_y), (cursor_x + cursor_width, cursor_y + cursor_height));
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piet.fill(cursor, &Color::rgb8(0xff, 0xff, 0xff));
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true
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}
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let (cursor_grid_x, cursor_grid_y) = cursor_pos;
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let cursor_x = cursor_grid_x as f32 * FONT_WIDTH;
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let cursor_width = FONT_WIDTH / 8.0;
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let cursor_y = cursor_grid_y as f32 * FONT_HEIGHT + FONT_HEIGHT * 0.2;
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let cursor_height = FONT_HEIGHT;
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let cursor = Rect::new(cursor_x, cursor_y, cursor_x + cursor_width, cursor_y + cursor_height);
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let cursor_paint = Paint::new(default_colors.foreground.unwrap(), None);
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canvas.draw_rect(cursor, &cursor_paint);
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}
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fn key_down(&mut self, key_event: KeyEvent, _ctx: &mut dyn WinCtx) -> bool {
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let mut editor = self.editor.lock().unwrap();
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match key_event {
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k_e if k_e.key_code.is_printable() => {
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let incoming_text = k_e.unmod_text().unwrap_or("");
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editor.nvim.input(incoming_text).expect("Input call failed...");
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},
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k_e if (HotKey::new(None, KeyCode::Escape)).matches(k_e) => {
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editor.nvim.input("<Esc>").expect("Input call failed...");
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pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
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let event_loop = EventLoop::<()>::with_user_event();
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let logical_size = LogicalSize::new((100.0 * FONT_WIDTH) as f64, (50.0 * FONT_HEIGHT) as f64);
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let visible_range = Rect {
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left: 0.0,
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right: logical_size.width as f32,
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top: 0.0,
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bottom: logical_size.height as f32
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};
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let scale_to_fit = ScaleToFit::Center;
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let window = WindowBuilder::new()
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.with_title("Neovide")
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.with_inner_size(logical_size)
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.build(&event_loop)
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.expect("Failed to create window");
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let mut renderer = RendererBuilder::new()
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.use_vulkan_debug_layer(true)
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.coordinate_system(CoordinateSystem::Logical)
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.build(&window)
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.expect("Failed to create renderer");
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// icu::init();
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event_loop.run(move |event, _window_target, control_flow| {
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match event {
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Event::WindowEvent {
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event: WindowEvent::CloseRequested,
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..
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} => *control_flow = ControlFlow::Exit,
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Event::WindowEvent {
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event: WindowEvent::Resized(new_size),
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..
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} => {
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editor.lock().unwrap().resize(
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(new_size.width as f32 / FONT_WIDTH) as u16,
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(new_size.height as f32 / FONT_HEIGHT) as u16
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)
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},
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k_e if (HotKey::new(None, KeyCode::Backspace)).matches(k_e) => {
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editor.nvim.input("<BS>").expect("Input call failed...");
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}
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_ => ()
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};
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true
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}
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fn size(&mut self, width: u32, height: u32, _ctx: &mut dyn WinCtx) {
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let dpi = self.handle.get_dpi();
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let dpi_scale = dpi as f64 / 96.0;
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let width_f = (width as f64) / dpi_scale;
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let height_f = (height as f64) / dpi_scale;
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self.size = (width_f, height_f);
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Event:: WindowEvent {
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event: WindowEvent::KeyboardInput {
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input: KeyboardInput {
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state: ElementState::Pressed,
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virtual_keycode: Some(keycode),
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..
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},
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..
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},
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..
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} => {
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let possible_string = match keycode {
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VirtualKeyCode::A => Some("a"),
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VirtualKeyCode::B => Some("b"),
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VirtualKeyCode::C => Some("c"),
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VirtualKeyCode::D => Some("d"),
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VirtualKeyCode::E => Some("e"),
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VirtualKeyCode::F => Some("f"),
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VirtualKeyCode::G => Some("g"),
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VirtualKeyCode::H => Some("h"),
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VirtualKeyCode::I => Some("i"),
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VirtualKeyCode::J => Some("j"),
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VirtualKeyCode::K => Some("k"),
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VirtualKeyCode::L => Some("l"),
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VirtualKeyCode::M => Some("m"),
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VirtualKeyCode::N => Some("n"),
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VirtualKeyCode::O => Some("o"),
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VirtualKeyCode::P => Some("p"),
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VirtualKeyCode::Q => Some("q"),
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VirtualKeyCode::R => Some("r"),
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VirtualKeyCode::S => Some("s"),
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VirtualKeyCode::T => Some("t"),
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VirtualKeyCode::U => Some("u"),
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VirtualKeyCode::V => Some("v"),
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VirtualKeyCode::W => Some("w"),
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VirtualKeyCode::X => Some("x"),
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VirtualKeyCode::Y => Some("y"),
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VirtualKeyCode::Z => Some("z"),
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VirtualKeyCode::Escape => Some("<ESC>"),
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VirtualKeyCode::Back => Some("<BS>"),
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VirtualKeyCode::Space => Some("<Space>"),
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VirtualKeyCode::Return => Some("<Enter>"),
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VirtualKeyCode::Up => Some("<Up>"),
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VirtualKeyCode::Down => Some("<Down>"),
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VirtualKeyCode::Left => Some("<Left>"),
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VirtualKeyCode::Right => Some("<Right>"),
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VirtualKeyCode::LShift => Some("<S>"),
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VirtualKeyCode::RShift => Some("<S>"),
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VirtualKeyCode::Key1 => Some("1"),
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VirtualKeyCode::Key2 => Some("2"),
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VirtualKeyCode::Key3 => Some("3"),
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VirtualKeyCode::Key4 => Some("4"),
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VirtualKeyCode::Key5 => Some("5"),
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VirtualKeyCode::Key6 => Some("6"),
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VirtualKeyCode::Key7 => Some("7"),
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VirtualKeyCode::Key8 => Some("8"),
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VirtualKeyCode::Key9 => Some("9"),
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VirtualKeyCode::Key0 => Some("0"),
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VirtualKeyCode::Insert => Some("<Insert>"),
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VirtualKeyCode::Home => Some("<Home>"),
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VirtualKeyCode::Delete => Some("<Delete>"),
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VirtualKeyCode::End => Some("<End>"),
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_ => None
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};
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if let Some(string) = possible_string {
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editor.lock().unwrap().nvim.input(string).expect("Input call failed...");
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}
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},
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let mut editor = self.editor.lock().unwrap();
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editor.resize((width_f / FONT_WIDTH) as u16, (height_f / FONT_HEIGHT) as u16);
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}
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Event::EventsCleared => {
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// Queue a RedrawRequested event.
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window.request_redraw();
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},
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fn as_any(&mut self) -> &mut dyn Any {
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self
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}
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}
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Event::WindowEvent {
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event: WindowEvent::RedrawRequested,
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..
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} => {
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if let Err(e) = renderer.draw(&window, |canvas, coordinate_system_helper| {
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draw(&editor, canvas, coordinate_system_helper);
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}) {
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println!("Error during draw: {:?}", e);
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*control_flow = ControlFlow::Exit
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}
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},
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pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
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let window_state = WindowState::new(editor);
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Application::init();
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let mut run_loop = RunLoop::new();
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let mut builder = WindowBuilder::new();
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builder.set_handler(Box::new(window_state));
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builder.set_title("Nvim editor");
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let window = builder.build().unwrap();
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window.show();
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run_loop.run();
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_ => {}
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}
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})
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}
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