hasufell/neovim-gtk
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Small rendering speed optimisation

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This commit is contained in:
daa84 2017-03-06 17:13:32 +03:00
parent 15bb4e5e2d
commit fb8c55a4f0
1 changed files with 21 additions and 13 deletions
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34
src/ui.rs
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@ -132,6 +132,7 @@ impl Ui {
window.show_all();
window.connect_key_press_event(gtk_key_press);
window.connect_delete_event(gtk_delete);
window.set_title("Neovim-gtk");
self.drawing_area.connect_configure_event(gtk_configure_event);
}
}
@ -270,6 +271,7 @@ fn draw(ui: &Ui, ctx: &cairo::Context) {
let line_height = ui.line_height.unwrap();
let char_width = ui.char_width.unwrap();
let (row, col) = ui.model.get_cursor();
let mut buf = String::with_capacity(4);
let mut line_y: f64 = 0.0;
@ -279,16 +281,6 @@ fn draw(ui: &Ui, ctx: &cairo::Context) {
for (line_idx, line) in ui.model.model().iter().enumerate() {
ctx.move_to(0.0, line_y);
for (col_idx, cell) in line.iter().enumerate() {
let mut desc = font_description();
if cell.attrs.italic {
desc.set_style(pango::Style::Italic);
}
if cell.attrs.bold {
desc.set_weight(pango::Weight::Bold);
}
layout.set_font_description(Some(&desc));
layout.set_text(&cell.ch.to_string(), -1);
let current_point = ctx.get_current_point();
@ -326,9 +318,25 @@ fn draw(ui: &Ui, ctx: &cairo::Context) {
ctx.move_to(current_point.0, current_point.1);
}
ctx.set_source_rgb(fg.0, fg.1, fg.2);
pc::update_layout(ctx, &layout);
pc::show_layout(ctx, &layout);
if !cell.ch.is_whitespace() {
let mut desc = font_description();
if cell.attrs.italic {
desc.set_style(pango::Style::Italic);
}
if cell.attrs.bold {
desc.set_weight(pango::Weight::Bold);
}
layout.set_font_description(Some(&desc));
buf.clear();
buf.push(cell.ch);
layout.set_text(&buf, -1);
ctx.set_source_rgb(fg.0, fg.1, fg.2);
pc::update_layout(ctx, &layout);
pc::show_layout(ctx, &layout);
}
ctx.move_to(current_point.0 + char_width, current_point.1);
}