Shaper fully working and cached to preserve performance to some extent

macos-click-through
keith 5 years ago
parent 4a685942a9
commit 8b633986de

133
Cargo.lock generated

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"checksum percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e" "checksum percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
"checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677" "checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
"checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
"checksum proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759" "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
"checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27" "checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
"checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0" "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1" "checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
"checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe" "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
"checksum rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3ae1b169243eaf61759b8475a998f0a385e42042370f3a7dbaf35246eacc8412"
"checksum rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
"checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
"checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
"checksum raw-window-handle 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0a441a7a6c80ad6473bd4b74ec1c9a4c951794285bf941c2126f607c72e48211" "checksum raw-window-handle 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0a441a7a6c80ad6473bd4b74ec1c9a4c951794285bf941c2126f607c72e48211"
"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84" "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
"checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd" "checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd"
@ -1363,6 +1495,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd" "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d" "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
"checksum walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9658c94fa8b940eab2250bd5a457f9c48b748420d71293b165c8cdbe2f55f71e" "checksum walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9658c94fa8b940eab2250bd5a457f9c48b748420d71293b165c8cdbe2f55f71e"
"checksum wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
"checksum wayland-client 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "af1080ebe0efabcf12aef2132152f616038f2d7dcbbccf7b2d8c5270fe14bcda" "checksum wayland-client 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "af1080ebe0efabcf12aef2132152f616038f2d7dcbbccf7b2d8c5270fe14bcda"
"checksum wayland-commons 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "bb66b0d1a27c39bbce712b6372131c6e25149f03ffb0cd017cf8f7de8d66dbdb" "checksum wayland-commons 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "bb66b0d1a27c39bbce712b6372131c6e25149f03ffb0cd017cf8f7de8d66dbdb"
"checksum wayland-protocols 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc286643656742777d55dc8e70d144fa4699e426ca8e9d4ef454f4bf15ffcf9" "checksum wayland-protocols 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc286643656742777d55dc8e70d144fa4699e426ca8e9d4ef454f4bf15ffcf9"

@ -5,6 +5,7 @@ authors = ["keith <keith@the-simmons.net>"]
edition = "2018" edition = "2018"
[dependencies] [dependencies]
lru = "0.4.3"
skulpin = { path = "c:/dev/Projects/skulpin" } skulpin = { path = "c:/dev/Projects/skulpin" }
derive-new = "0.5" derive-new = "0.5"
env_logger = "0.7.1" env_logger = "0.7.1"

@ -66,8 +66,7 @@ pub type GridCell = Option<(char, Style)>;
#[derive(new, Debug, Clone)] #[derive(new, Debug, Clone)]
pub struct DrawCommand { pub struct DrawCommand {
pub text: String, pub text: String,
pub row: u64, pub grid_position: (u64, u64),
pub col_start: u64,
pub style: Style pub style: Style
} }
@ -90,7 +89,6 @@ impl CursorType {
} }
pub struct Editor { pub struct Editor {
pub nvim: Neovim,
pub grid: Vec<Vec<GridCell>>, pub grid: Vec<Vec<GridCell>>,
pub cursor_pos: (u64, u64), pub cursor_pos: (u64, u64),
pub cursor_type: CursorType, pub cursor_type: CursorType,
@ -104,9 +102,8 @@ pub struct Editor {
} }
impl Editor { impl Editor {
pub fn new(nvim: Neovim, width: u64, height: u64) -> Editor { pub fn new(width: u64, height: u64) -> Editor {
let mut editor = Editor { let mut editor = Editor {
nvim,
grid: Vec::new(), grid: Vec::new(),
cursor_pos: (0, 0), cursor_pos: (0, 0),
cursor_type: CursorType::Block, cursor_type: CursorType::Block,
@ -160,7 +157,7 @@ impl Editor {
match command { match command {
Some(command) => command.text.push(character.clone()), Some(command) => command.text.push(character.clone()),
None => { None => {
command.replace(DrawCommand::new(character.to_string(), row_index, col_index, style)); command.replace(DrawCommand::new(character.to_string(), (col_index, row_index), style));
} }
} }
} }
@ -222,7 +219,6 @@ impl Editor {
} }
pub fn resize(&mut self, new_width: u64, new_height: u64) { pub fn resize(&mut self, new_width: u64, new_height: u64) {
self.nvim.ui_try_resize(new_width as i64, new_height as i64).expect("Resize failed");
self.size = (new_width, new_height); self.size = (new_width, new_height);
} }

@ -150,6 +150,16 @@ fn parse_mode_change(mode_change_arguments: Vec<Value>) -> Result<RedrawEvent> {
} }
} }
fn parse_grid_resize(grid_resize_arguments: Vec<Value>) -> Result<RedrawEvent> {
if let [grid_id, width, height] = grid_resize_arguments.as_slice() {
Ok(RedrawEvent::Resize {
grid: parse_u64(&grid_id)?, width: parse_u64(&width)?, height: parse_u64(&height)?
})
} else {
Err(EventParseError::InvalidEventFormat)
}
}
fn parse_default_colors(default_colors_arguments: Vec<Value>) -> Result<RedrawEvent> { fn parse_default_colors(default_colors_arguments: Vec<Value>) -> Result<RedrawEvent> {
if let [ if let [
foreground, background, special, _term_foreground, _term_background foreground, background, special, _term_foreground, _term_background
@ -247,7 +257,7 @@ fn parse_grid_scroll(grid_scroll_arguments: Vec<Value>) -> Result<RedrawEvent> {
} }
pub fn parse_redraw_event(event_value: Value) -> Result<Vec<RedrawEvent>> { pub fn parse_redraw_event(event_value: Value) -> Result<Vec<RedrawEvent>> {
let mut event_contents = parse_array(&event_value)?.to_vec(); let event_contents = parse_array(&event_value)?.to_vec();
let name_value = event_contents.get(0).ok_or(EventParseError::InvalidEventFormat)?; let name_value = event_contents.get(0).ok_or(EventParseError::InvalidEventFormat)?;
let event_name = parse_string(&name_value)?; let event_name = parse_string(&name_value)?;
let events = event_contents; let events = event_contents;
@ -263,6 +273,7 @@ pub fn parse_redraw_event(event_value: Value) -> Result<Vec<RedrawEvent>> {
"mode_change" => Some(parse_mode_change(event_parameters)?), "mode_change" => Some(parse_mode_change(event_parameters)?),
"busy_start" => Some(RedrawEvent::BusyStart), "busy_start" => Some(RedrawEvent::BusyStart),
"busy_stop" => Some(RedrawEvent::BusyStop), "busy_stop" => Some(RedrawEvent::BusyStop),
"grid_resize" => Some(parse_grid_resize(event_parameters)?),
"default_colors_set" => Some(parse_default_colors(event_parameters)?), "default_colors_set" => Some(parse_default_colors(event_parameters)?),
"hl_attr_define" => Some(parse_hl_attr_define(event_parameters)?), "hl_attr_define" => Some(parse_hl_attr_define(event_parameters)?),
"grid_line" => Some(parse_grid_line(event_parameters)?), "grid_line" => Some(parse_grid_line(event_parameters)?),

@ -1,5 +1,3 @@
use std::fmt;
use skulpin::winit::event::{KeyboardInput, ElementState, ModifiersState, VirtualKeyCode}; use skulpin::winit::event::{KeyboardInput, ElementState, ModifiersState, VirtualKeyCode};
fn parse_keycode(keycode: VirtualKeyCode) -> Option<(String, bool)> { fn parse_keycode(keycode: VirtualKeyCode) -> Option<(String, bool)> {
@ -126,7 +124,7 @@ fn append_modifiers(modifiers: ModifiersState, keycode_text: String, special: bo
"/" => "?".to_string(), "/" => "?".to_string(),
other => { other => {
special = true; special = true;
format!("S-{}", result) format!("S-{}", other)
} }
}; };
} }

@ -5,8 +5,7 @@ mod events;
mod window; mod window;
mod keybindings; mod keybindings;
#[macro_use] #[macro_use] extern crate derive_new;
extern crate derive_new;
use std::panic; use std::panic;
use std::process::{Command, Stdio, exit}; use std::process::{Command, Stdio, exit};
@ -69,12 +68,12 @@ fn main() {
options.set_rgb(true); options.set_rgb(true);
nvim.ui_attach(INITIAL_WIDTH as i64, INITIAL_HEIGHT as i64, &options).unwrap(); nvim.ui_attach(INITIAL_WIDTH as i64, INITIAL_HEIGHT as i64, &options).unwrap();
let editor = Arc::new(Mutex::new(Editor::new(nvim, INITIAL_WIDTH, INITIAL_HEIGHT))); let editor = Arc::new(Mutex::new(Editor::new(INITIAL_WIDTH, INITIAL_HEIGHT)));
let nvim_editor = editor.clone(); let nvim_editor = editor.clone();
thread::spawn(move || { thread::spawn(move || {
nvim_event_loop(receiver, &nvim_editor); nvim_event_loop(receiver, &nvim_editor);
}); });
ui_loop(editor); ui_loop(editor, nvim, (INITIAL_WIDTH, INITIAL_HEIGHT));
} }

@ -1,125 +1,189 @@
use std::borrow::Cow;
use std::sync::{Arc, Mutex}; use std::sync::{Arc, Mutex};
use std::any::Any; use std::time::{Duration, Instant};
use skulpin::{CoordinateSystem, CoordinateSystemHelper, RendererBuilder}; use lru::LruCache;
use skulpin::skia_safe::{Canvas, colors, Color4f, Font, FontStyle, Point, Paint, Rect, Shaper, Typeface};
use skulpin::skia_safe::paint::Style; use skulpin::{CoordinateSystem, RendererBuilder};
use skulpin::skia_safe::matrix::ScaleToFit; use skulpin::skia_safe::{Canvas, colors, Font, FontStyle, Paint, Point, Rect, Shaper, TextBlob, Typeface};
use skulpin::skia_safe::icu; use skulpin::skia_safe::icu;
use skulpin::winit::dpi::{LogicalSize, LogicalPosition}; use skulpin::winit::dpi::LogicalSize;
use skulpin::winit::event::{ElementState, Event, MouseScrollDelta, KeyboardInput, VirtualKeyCode, WindowEvent}; use skulpin::winit::event::{ElementState, Event, MouseScrollDelta, WindowEvent};
use skulpin::winit::event_loop::{ControlFlow, EventLoop}; use skulpin::winit::event_loop::{ControlFlow, EventLoop};
use skulpin::winit::window::WindowBuilder; use skulpin::winit::window::WindowBuilder;
use neovim_lib::NeovimApi; use neovim_lib::{Neovim, NeovimApi};
use crate::editor::{DrawCommand, Editor, Colors, CursorType}; use crate::editor::{Editor, CursorType, Style, Colors};
use crate::keybindings::construct_keybinding_string; use crate::keybindings::construct_keybinding_string;
const FONT_NAME: &str = "Delugia Nerd Font"; const FONT_NAME: &str = "Delugia Nerd Font";
const FONT_SIZE: f32 = 14.0; const FONT_SIZE: f32 = 14.0;
fn draw( struct CachingShaper {
editor: &Arc<Mutex<Editor>>, shaper: Shaper,
canvas: &mut Canvas, cache: LruCache<String, TextBlob>
cursor_pos: &mut (f32, f32), }
shaper: &Shaper,
paint: &mut Paint, impl CachingShaper {
font: &Font, pub fn new() -> CachingShaper {
CachingShaper {
shaper: Shaper::new(None),
cache: LruCache::new(1000)
}
}
pub fn shape(&self, text: &str, font: &Font) -> TextBlob {
let (blob, _) = self.shaper.shape_text_blob(text, font, true, 1000.0, Point::default()).unwrap();
blob
}
pub fn shape_cached(&mut self, text: String, font: &Font) -> &TextBlob {
if !self.cache.contains(&text) {
self.cache.put(text.clone(), self.shape(&text, &font));
}
self.cache.get(&text).unwrap()
}
}
struct Renderer {
editor: Arc<Mutex<Editor>>,
paint: Paint,
font: Font,
shaper: CachingShaper,
font_width: f32, font_width: f32,
font_height: f32 font_height: f32,
) { cursor_pos: (f32, f32),
let (draw_commands, default_colors, cursor_grid_pos, cursor_type, cursor_foreground, cursor_background, cursor_enabled) = {
let editor = editor.lock().unwrap(); previous_frame_instant: Instant
( }
editor.build_draw_commands().clone(),
editor.default_colors.clone(), impl Renderer {
editor.cursor_pos.clone(), pub fn new(editor: Arc<Mutex<Editor>>) -> Renderer {
editor.cursor_type.clone(), let paint = Paint::new(colors::WHITE, None);
editor.cursor_foreground(), let typeface = Typeface::new(FONT_NAME, FontStyle::default()).expect("Could not load font file.");
editor.cursor_background(), let font = Font::from_typeface(typeface, FONT_SIZE);
editor.cursor_enabled let shaper = CachingShaper::new();
)
}; let (_, bounds) = font.measure_str("0", Some(&paint));
let font_width = bounds.width();
canvas.clear(default_colors.background.clone().unwrap().to_color());
let (_, metrics) = font.metrics();
for command in draw_commands { let font_height = metrics.descent - metrics.ascent; // bounds.height() * 1.68;
let x = command.col_start as f32 * font_width; let cursor_pos = (0.0, 0.0);
let y = command.row as f32 * font_height + font_height - font_height * 0.2;
let top = y - font_height * 0.8; let previous_frame_instant = Instant::now();
let width = command.text.chars().count() as f32 * font_width;
let height = font_height; Renderer { editor, paint, font, shaper, font_width, font_height, cursor_pos, previous_frame_instant }
}
fn draw_text(&mut self, canvas: &mut Canvas, text: &str, grid_pos: (u64, u64), style: &Style, default_colors: &Colors, update_cache: bool) {
let (grid_x, grid_y) = grid_pos;
let x = grid_x as f32 * self.font_width;
let y = grid_y as f32 * self.font_height + self.font_height - self.font_height * 0.2;
let top = y - self.font_height * 0.8;
let width = text.chars().count() as f32 * self.font_width;
let height = self.font_height;
let region = Rect::new(x, top, x + width, top + height); let region = Rect::new(x, top, x + width, top + height);
paint.set_color(command.style.background(&default_colors).to_color()); self.paint.set_color(style.background(default_colors).to_color());
canvas.draw_rect(region, &paint); canvas.draw_rect(region, &self.paint);
if command.style.underline || command.style.undercurl { if style.underline || style.undercurl {
let (_, metrics) = font.metrics(); let (_, metrics) = self.font.metrics();
let width = command.text.chars().count() as f32 * font_width; let width = text.chars().count() as f32 * self.font_width;
let underline_position = metrics.underline_position().unwrap(); let underline_position = metrics.underline_position().unwrap();
paint.set_color(command.style.special(&default_colors).to_color()); self.paint.set_color(style.special(&default_colors).to_color());
canvas.draw_line((x, y + underline_position), (x + width, y + underline_position), &paint); canvas.draw_line((x, y + underline_position), (x + width, y + underline_position), &self.paint);
} }
paint.set_color(command.style.foreground(&default_colors).to_color()); self.paint.set_color(style.foreground(&default_colors).to_color());
let text = command.text.trim_end(); let text = text.trim_end();
canvas.draw_str(text, (x, y), &font, &paint);
// if text.len() > 0 { //canvas.draw_str(text, (x, y), &font, &paint);
// if let Some((blob, _)) = shaper.shape_text_blob(&text, font, false, 10000.0, Point::default()) { if text.len() > 0 {
// canvas.draw_text_blob(&blob, (x, top), &paint); let reference;
// } let blob = if update_cache {
// } self.shaper.shape_cached(text.to_string(), &self.font)
} else {
reference = self.shaper.shape(text, &self.font);
&reference
};
canvas.draw_text_blob(blob, (x, top), &self.paint);
}
} }
let (cursor_grid_x, cursor_grid_y) = cursor_grid_pos; pub fn draw(&mut self, canvas: &mut Canvas) {
let target_cursor_x = cursor_grid_x as f32 * font_width; let (draw_commands, default_colors, cursor_grid_pos, cursor_type, cursor_foreground, cursor_background, cursor_enabled) = {
let target_cursor_y = cursor_grid_y as f32 * font_height; let editor = self.editor.lock().unwrap();
let (previous_cursor_x, previous_cursor_y) = cursor_pos; (
editor.build_draw_commands().clone(),
editor.default_colors.clone(),
editor.cursor_pos.clone(),
editor.cursor_type.clone(),
editor.cursor_foreground(),
editor.cursor_background(),
editor.cursor_enabled
)
};
let cursor_x = (target_cursor_x - *previous_cursor_x) * 0.5 + *previous_cursor_x; canvas.clear(default_colors.background.clone().unwrap().to_color());
let cursor_y = (target_cursor_y - *previous_cursor_y) * 0.5 + *previous_cursor_y;
*cursor_pos = (cursor_x, cursor_y); for command in draw_commands {
if cursor_enabled { self.draw_text(canvas, &command.text, command.grid_position, &command.style, &default_colors, true);
let cursor_width = match cursor_type {
CursorType::Vertical => font_width / 8.0,
CursorType::Horizontal | CursorType::Block => font_width
};
let cursor_height = match cursor_type {
CursorType::Horizontal => font_width / 8.0,
CursorType::Vertical | CursorType::Block => font_height
};
let cursor = Rect::new(cursor_x, cursor_y, cursor_x + cursor_width, cursor_y + cursor_height);
paint.set_color(cursor_background.to_color());
canvas.draw_rect(cursor, &paint);
if let CursorType::Block = cursor_type {
paint.set_color(cursor_foreground.to_color());
let editor = editor.lock().unwrap();
let character = editor.grid[cursor_grid_y as usize][cursor_grid_x as usize].clone()
.map(|(character, _)| character)
.unwrap_or(' ');
let text_y = cursor_y + font_height - font_height * 0.2;
canvas.draw_str(character.to_string(), (cursor_x, text_y), &font, &paint);
} }
}
}
pub fn ui_loop(editor: Arc<Mutex<Editor>>) { let (cursor_grid_x, cursor_grid_y) = cursor_grid_pos;
let shaper = Shaper::new(None); let target_cursor_x = cursor_grid_x as f32 * self.font_width;
let typeface = Typeface::new(FONT_NAME, FontStyle::default()).expect("Could not load font file."); let target_cursor_y = cursor_grid_y as f32 * self.font_height;
let font = Font::from_typeface(typeface, FONT_SIZE); let (previous_cursor_x, previous_cursor_y) = self.cursor_pos;
let mut paint = Paint::new(colors::WHITE, None);
let cursor_x = (target_cursor_x - previous_cursor_x) * 0.5 + previous_cursor_x;
let cursor_y = (target_cursor_y - previous_cursor_y) * 0.5 + previous_cursor_y;
let (width, bounds) = font.measure_str("0", Some(&paint)); self.cursor_pos = (cursor_x, cursor_y);
let font_width = width; if cursor_enabled {
let font_height = bounds.height() * 1.68; let cursor_width = match cursor_type {
CursorType::Vertical => self.font_width / 8.0,
CursorType::Horizontal | CursorType::Block => self.font_width
};
let cursor_height = match cursor_type {
CursorType::Horizontal => self.font_width / 8.0,
CursorType::Vertical | CursorType::Block => self.font_height
};
let cursor = Rect::new(cursor_x, cursor_y, cursor_x + cursor_width, cursor_y + cursor_height);
self.paint.set_color(cursor_background.to_color());
canvas.draw_rect(cursor, &self.paint);
if let CursorType::Block = cursor_type {
self.paint.set_color(cursor_foreground.to_color());
let editor = self.editor.lock().unwrap();
let character = editor.grid[cursor_grid_y as usize][cursor_grid_x as usize].clone()
.map(|(character, _)| character)
.unwrap_or(' ');
let text_y = cursor_y + self.font_height - self.font_height * 0.2;
canvas.draw_text_blob(
self.shaper.shape_cached(character.to_string(), &self.font),
(cursor_x, text_y), &self.paint);
}
}
}
}
pub fn ui_loop(editor: Arc<Mutex<Editor>>, nvim: Neovim, initial_size: (u64, u64)) {
let mut nvim = nvim;
let mut renderer = Renderer::new(editor);
let event_loop = EventLoop::<()>::with_user_event(); let event_loop = EventLoop::<()>::with_user_event();
let logical_size = LogicalSize::new((100.0 * font_width) as f64, (50.0 * font_height) as f64);
let (width, height) = initial_size;
let logical_size = LogicalSize::new(
(width as f32 * renderer.font_width) as f64,
// Add 1.0 here to make sure resizing horizontally doesn't change the grid height
(height as f32 * renderer.font_height + 1.0) as f64
);
let window = WindowBuilder::new() let window = WindowBuilder::new()
.with_title("Neovide") .with_title("Neovide")
@ -127,13 +191,11 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
.build(&event_loop) .build(&event_loop)
.expect("Failed to create window"); .expect("Failed to create window");
let mut renderer = RendererBuilder::new() let mut skulpin_renderer = RendererBuilder::new()
.coordinate_system(CoordinateSystem::Logical) .coordinate_system(CoordinateSystem::Logical)
.prefer_mailbox_present_mode()
.build(&window) .build(&window)
.expect("Failed to create renderer"); .expect("Failed to create renderer");
let mut cursor_pos = (0.0, 0.0);
let mut mouse_down = false; let mut mouse_down = false;
let mut mouse_pos = (0, 0); let mut mouse_pos = (0, 0);
@ -151,10 +213,9 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
.. ..
} => { } => {
if new_size.width > 0.0 && new_size.height > 0.0 { if new_size.width > 0.0 && new_size.height > 0.0 {
editor.lock().unwrap().resize( let new_width = (new_size.width as f32 / renderer.font_width) as u64;
(new_size.width as f32 / font_width) as u64, let new_height = (new_size.height as f32 / renderer.font_height) as u64;
(new_size.height as f32 / font_height) as u64 nvim.ui_try_resize(new_width as i64, new_height as i64).expect("Resize failed");
)
} }
}, },
@ -166,7 +227,7 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
.. ..
} => { } => {
if let Some(string) = construct_keybinding_string(input) { if let Some(string) = construct_keybinding_string(input) {
editor.lock().unwrap().nvim.input(&string).expect("Input call failed..."); nvim.input(&string).expect("Input call failed...");
} }
}, },
@ -177,11 +238,11 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
}, },
.. ..
} => { } => {
let grid_x = (position.x as f32 / font_width) as i64; let grid_x = (position.x as f32 / renderer.font_width) as i64;
let grid_y = (position.y as f32 / font_height) as i64; let grid_y = (position.y as f32 / renderer.font_height) as i64;
mouse_pos = (grid_x, grid_y); mouse_pos = (grid_x, grid_y);
if mouse_down { if mouse_down {
editor.lock().unwrap().nvim.input_mouse("left", "drag", "", 0, grid_y, grid_x); nvim.input_mouse("left", "drag", "", 0, grid_y, grid_x).expect("Could not send mouse input");
} }
} }
@ -203,7 +264,7 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
} }
}; };
let (grid_x, grid_y) = mouse_pos; let (grid_x, grid_y) = mouse_pos;
editor.lock().unwrap().nvim.input_mouse("left", input_type, "", 0, grid_y, grid_x); nvim.input_mouse("left", input_type, "", 0, grid_y, grid_x).expect("Could not send mouse input");
} }
Event::WindowEvent { Event::WindowEvent {
@ -219,7 +280,7 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
"down" "down"
}; };
let (grid_x, grid_y) = mouse_pos; let (grid_x, grid_y) = mouse_pos;
editor.lock().unwrap().nvim.input_mouse("wheel", input_type, "", 0, grid_y, grid_x); nvim.input_mouse("wheel", input_type, "", 0, grid_y, grid_x).expect("Could not send mouse input");
} }
Event::EventsCleared => { Event::EventsCleared => {
@ -230,8 +291,8 @@ pub fn ui_loop(editor: Arc<Mutex<Editor>>) {
event: WindowEvent::RedrawRequested, event: WindowEvent::RedrawRequested,
.. ..
} => { } => {
if let Err(e) = renderer.draw(&window, |canvas, _coordinate_system_helper| { if let Err(e) = skulpin_renderer.draw(&window, |canvas, _coordinate_system_helper| {
draw(&editor, canvas, &mut cursor_pos, &shaper, &mut paint, &font, font_width, font_height); renderer.draw(canvas);
}) { }) {
println!("Error during draw: {:?}", e); println!("Error during draw: {:?}", e);
*control_flow = ControlFlow::Exit *control_flow = ControlFlow::Exit

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