hasufell/neovim-gtk
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Update key bindings, improve render of background highlight

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This commit is contained in:
daa84 2016-04-06 13:16:41 +03:00
parent 209c71aa4b
commit 118faaca25
2 changed files with 73 additions and 59 deletions
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2
build.rs
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@ -15,6 +15,8 @@ fn main() {
write!(&mut file, "static KEYVAL_MAP: phf::Map<&'static str, &'static str> = ").unwrap();
phf_codegen::Map::new()
.entry("Up", "\"Up\"")
.entry("Down", "\"Down\"")
.entry("BackSpace", "\"BS\"")
.entry("Return", "\"CR\"")
.entry("Escape", "\"Esc\"")

130
src/ui.rs
View File

@ -23,7 +23,7 @@ use input::convert_key;
#[cfg(target_os = "linux")]
const FONT_NAME: &'static str = "Droid Sans Mono for Powerline";
#[cfg(target_os = "windows")]
const FONT_NAME: &'static str = "Liberation_Mono:h12:cANSI";
const FONT_NAME: &'static str = "Droid Sans Mono";
const FONT_SIZE: f64 = 16.0;
thread_local!(pub static UI: RefCell<Ui> = {
@ -42,6 +42,8 @@ pub struct Ui {
cur_attrs: Option<Attrs>,
bg_color: Color,
fg_color: Color,
line_height: Option<f64>,
char_width: Option<f64>,
}
impl Ui {
@ -53,6 +55,8 @@ impl Ui {
cur_attrs: None,
bg_color: COLOR_BLACK,
fg_color: COLOR_WHITE,
line_height: None,
char_width: None,
}
}
@ -116,81 +120,89 @@ fn gtk_key_press(_: &Window, ev: &EventKey) -> Inhibit {
}
fn calc_char_bounds(ctx: &cairo::Context) -> TextExtents {
let font_face = cairo::FontFace::toy_create(FONT_NAME, FontSlant::Normal, FontWeight::Bold);
let font_face = cairo::FontFace::toy_create(FONT_NAME, FontSlant::Normal, FontWeight::Normal);
ctx.set_font_size(FONT_SIZE);
ctx.set_font_face(font_face);
ctx.text_extents("A")
}
fn gtk_draw(drawing_area: &DrawingArea, ctx: &cairo::Context) -> Inhibit {
let char_bounds = calc_char_bounds(ctx);
let font_extents = ctx.font_extents();
UI.with(|ui_cell| {
let ui = ui_cell.borrow();
let mut ui = ui_cell.borrow_mut();
ctx.set_source_rgb(ui.bg_color.0, ui.bg_color.1, ui.bg_color.2);
ctx.paint();
let char_bounds = calc_char_bounds(ctx);
let font_extents = ctx.font_extents();
ui.line_height = Some(font_extents.height.round());
ui.char_width = Some(char_bounds.width.round());
let mut line_y = font_extents.height;
for line in ui.model.model() {
ctx.move_to(0.0, line_y - font_extents.descent);
for cell in line {
let slant = if cell.attrs.italic {
FontSlant::Italic
} else {
FontSlant::Normal
};
let weight = if cell.attrs.bold {
FontWeight::Bold
} else {
FontWeight::Normal
};
let font_face = cairo::FontFace::toy_create(FONT_NAME, slant, weight);
ctx.set_font_face(font_face);
ctx.set_font_size(FONT_SIZE);
let current_point = ctx.get_current_point();
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);
}
line_y += font_extents.height;
}
request_width(&drawing_area, &ui, font_extents.height, char_bounds.width);
draw(&*ui, ctx);
request_width(&drawing_area, &*ui);
});
Inhibit(true)
}
fn request_width(drawing_area: &DrawingArea, ui: &Ui, line_height: f64, char_width: f64) {
fn draw(ui: &Ui, ctx: &cairo::Context) {
ctx.set_source_rgb(ui.bg_color.0, ui.bg_color.1, ui.bg_color.2);
ctx.paint();
let font_extents = ctx.font_extents();
let line_height = ui.line_height.unwrap();
let char_width = ui.char_width.unwrap();
let mut line_y = line_height;
for line in ui.model.model() {
ctx.move_to(0.0, line_y - font_extents.descent);
for cell in line {
let slant = if cell.attrs.italic {
FontSlant::Italic
} else {
FontSlant::Normal
};
let weight = if cell.attrs.bold {
FontWeight::Bold
} else {
FontWeight::Normal
};
let font_face = cairo::FontFace::toy_create(FONT_NAME, slant, weight);
ctx.set_font_face(font_face);
ctx.set_font_size(FONT_SIZE);
let current_point = ctx.get_current_point();
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 - line_height,
char_width,
line_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_width, current_point.1);
}
line_y += line_height;
}
}
fn request_width(drawing_area: &DrawingArea, ui: &Ui) {
let width = drawing_area.get_allocated_width();
let height = drawing_area.get_allocated_height();
let request_height = (ui.model.rows as f64 * line_height) as i32;
let request_width = (ui.model.columns as f64 * char_width) as i32;
let request_height = (ui.model.rows as f64 * ui.line_height.unwrap()) as i32;
let request_width = (ui.model.columns as f64 * ui.char_width.unwrap()) as i32;
if width != request_width || height != request_height {
drawing_area.set_size_request(request_width, request_height);