hasufell/neovim-gtk
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make background and foreground colors to work

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This commit is contained in:
daa 2016-04-06 01:04:40 +03:00
parent a19c28473e
commit 71e0db64e7
3 changed files with 82 additions and 27 deletions
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16
src/nvim.rs
View File

@ -27,6 +27,10 @@ pub trait RedrawEvents {
fn on_set_scroll_region(&mut self, top: u64, bot: u64, left: u64, right: u64);
fn on_scroll(&mut self, count: i64);
fn on_update_bg(&mut self, bg: i64);
fn on_update_fg(&mut self, fg: i64);
}
macro_rules! try_str {
@ -171,6 +175,18 @@ fn call(method: &str, args: Vec<Value>) {
Ok(())
});
}
"update_bg" => {
safe_call(move |ui| {
ui.on_update_bg(try_int!(args[0]));
Ok(())
});
}
"update_fg" => {
safe_call(move |ui| {
ui.on_update_fg(try_int!(args[0]));
Ok(())
});
}
_ => println!("Event {}({:?})", method, args),
};
}

77
src/ui.rs
View File

@ -1,7 +1,6 @@
use std::cell::RefCell;
use std::thread;
use std::collections::HashMap;
use std::mem;
use std::string::String;
use rmp::Value;
@ -17,7 +16,7 @@ use gdk;
use gdk::EventKey;
use neovim_lib::{Neovim, NeovimApi};
use ui_model::{UiModel, Attrs, Color};
use ui_model::{UiModel, Attrs, Color, COLOR_BLACK, COLOR_WHITE};
use nvim::RedrawEvents;
const FONT_NAME: &'static str = "Droid Sans Mono for Powerline";
@ -37,6 +36,8 @@ pub struct Ui {
nvim: Option<Neovim>,
drawing_area: DrawingArea,
cur_attrs: Option<Attrs>,
bg_color: Color,
fg_color: Color,
}
impl Ui {
@ -46,6 +47,8 @@ impl Ui {
drawing_area: DrawingArea::new(),
nvim: None,
cur_attrs: None,
bg_color: COLOR_BLACK,
fg_color: COLOR_WHITE,
}
}
@ -164,16 +167,15 @@ fn calc_char_bounds(ctx: &cairo::Context) -> TextExtents {
}
fn gtk_draw(drawing_area: &DrawingArea, ctx: &cairo::Context) -> Inhibit {
ctx.set_source_rgb(0.0, 0.0, 0.0);
ctx.paint();
ctx.set_source_rgb(1.0, 1.0, 1.0);
let char_bounds = calc_char_bounds(ctx);
let font_extents = ctx.font_extents();
UI.with(|ui_cell| {
let ui = ui_cell.borrow();
ctx.set_source_rgb(ui.bg_color.0, ui.bg_color.1, ui.bg_color.2);
ctx.paint();
let mut line_y = font_extents.height;
for line in ui.model.model() {
ctx.move_to(0.0, line_y - font_extents.descent);
@ -194,17 +196,24 @@ fn gtk_draw(drawing_area: &DrawingArea, ctx: &cairo::Context) -> Inhibit {
ctx.set_font_face(font_face);
ctx.set_font_size(FONT_SIZE);
let bg = &cell.attrs.background;
ctx.set_source_rgb(bg.0, bg.1, bg.2);
let current_point = ctx.get_current_point();
ctx.rectangle(current_point.0,
line_y - font_extents.height,
char_bounds.width,
font_extents.height);
ctx.fill();
ctx.move_to(current_point.0, current_point.1);
let fg = &cell.attrs.foreground;
if let Some(ref bg) = cell.attrs.background {
ctx.set_source_rgb(bg.0, bg.1, bg.2);
ctx.rectangle(current_point.0,
line_y - font_extents.height,
char_bounds.width,
font_extents.height);
ctx.fill();
ctx.move_to(current_point.0, current_point.1);
}
let fg = if let Some(ref fg) = cell.attrs.foreground {
fg
}
else {
&ui.fg_color
};
ctx.set_source_rgb(fg.0, fg.1, fg.2);
ctx.show_text(&cell.ch.to_string());
ctx.move_to(current_point.0 + char_bounds.width, current_point.1);
@ -268,18 +277,48 @@ impl RedrawEvents for Ui {
fn on_highlight_set(&mut self, attrs: &HashMap<String, Value>) {
let mut model_attrs = Attrs::new();
if let Some(&Value::Integer(Integer::U64(fg))) = attrs.get("foreground") {
model_attrs.foreground = split_color(fg);
model_attrs.foreground = Some(split_color(fg));
}
if let Some(&Value::Integer(Integer::U64(fg))) = attrs.get("background") {
model_attrs.background = split_color(fg);
if let Some(&Value::Integer(Integer::U64(bg))) = attrs.get("background") {
model_attrs.background = Some(split_color(bg));
}
if attrs.contains_key("reverse") {
mem::swap(&mut model_attrs.foreground, &mut model_attrs.background);
let fg = if let Some(ref fg) = model_attrs.foreground {
fg.clone()
} else {
self.fg_color.clone()
};
let bg = if let Some(ref bg) = model_attrs.background {
bg.clone()
} else {
self.bg_color.clone()
};
model_attrs.foreground = Some(bg);
model_attrs.background = Some(fg);
}
model_attrs.bold = attrs.contains_key("bold");
model_attrs.italic = attrs.contains_key("italic");
self.cur_attrs = Some(model_attrs);
}
fn on_update_bg(&mut self, bg: i64) {
if bg >= 0 {
self.bg_color = split_color(bg as u64);
}
else {
self.bg_color = COLOR_BLACK;
}
}
fn on_update_fg(&mut self, fg: i64) {
if fg >= 0 {
self.fg_color = split_color(fg as u64);
}
else {
self.fg_color = COLOR_WHITE;
}
}
}
fn split_color(indexed_color: u64) -> Color {

16
src/ui_model.rs
View File

@ -2,22 +2,22 @@
#[derive(Clone)]
pub struct Color(pub f64, pub f64, pub f64);
const COLOR_BLACK: Color = Color(0.0, 0.0, 0.0);
const COLOR_WHITE: Color = Color(1.0, 1.0, 1.0);
pub const COLOR_BLACK: Color = Color(0.0, 0.0, 0.0);
pub const COLOR_WHITE: Color = Color(1.0, 1.0, 1.0);
#[derive(Clone)]
pub struct Attrs {
pub italic: bool,
pub bold: bool,
pub foreground: Color,
pub background: Color,
pub foreground: Option<Color>,
pub background: Option<Color>,
}
impl Attrs {
pub fn new() -> Attrs {
Attrs {
foreground: COLOR_WHITE,
background: COLOR_BLACK,
foreground: None,
background: None,
italic: false,
bold: false,
}
@ -26,8 +26,8 @@ impl Attrs {
fn clear(&mut self) {
self.italic = false;
self.bold = false;
self.foreground = COLOR_WHITE;
self.background = COLOR_BLACK;
self.foreground = None;
self.background = None;
}
}