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Code Issues Projects Releases Packages Wiki Activity Actions

initial code widget implementation

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yggverse 2026-03-18 00:13:49 +02:00
parent e92eb318b3
commit fe467e8316
4 changed files with 131 additions and 26 deletions
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2
src/app/browser/window/tab/item/page/content/text/markdown/tags.rs
View file

@ -101,7 +101,7 @@ impl Tags {
}
// Render placeholders
self.code.render(&buffer);
self.code.render(text_view);
// Format document title string
title.map(|mut s| {

153
src/app/browser/window/tab/item/page/content/text/markdown/tags/code.rs
View file

@ -2,9 +2,13 @@ mod ansi;
mod syntax;
use gtk::{
TextBuffer, TextSearchFlags, TextTag, WrapMode,
glib::{GString, uuid_string_random},
prelude::{TextBufferExt, TextBufferExtManual},
Align, Box, Button, Label, Orientation, PolicyType, ScrolledWindow, Separator, TextBuffer,
TextSearchFlags, TextTag, TextTagTable, TextView, WrapMode,
gdk::Display,
glib::{ControlFlow, GString, idle_add_local, uuid_string_random},
prelude::{
BoxExt, ButtonExt, DisplayExt, TextBufferExt, TextBufferExtManual, TextViewExt, WidgetExt,
},
};
use regex::Regex;
use std::collections::HashMap;
@ -73,10 +77,13 @@ impl Code {
}
}
/// Apply code `Tag` to given `TextBuffer` using `Self.index`
pub fn render(&mut self, buffer: &TextBuffer) {
/// Apply code `Tag` to given `TextView` using `Self.index`
pub fn render(&mut self, text_view: &TextView) {
let buffer = text_view.buffer();
let syntax = Syntax::new();
assert!(buffer.tag_table().add(&self.alt));
for (k, v) in self.index.iter() {
while let Some((mut m_start, mut m_end)) =
buffer
@ -84,24 +91,124 @@ impl Code {
.forward_search(k, TextSearchFlags::VISIBLE_ONLY, None)
{
buffer.delete(&mut m_start, &mut m_end);
if let Some(ref alt) = v.alt {
buffer.insert_with_tags(&mut m_start, &format!("{alt}\n"), &[&self.alt])
}
match syntax.highlight(&v.data, v.alt.as_ref()) {
Ok(highlight) => {
for (syntax_tag, entity) in highlight {
assert!(buffer.tag_table().add(&syntax_tag));
buffer.insert_with_tags(&mut m_start, &entity, &[&syntax_tag])
}
}
Err(_) => {
// Try ANSI/SGR format (terminal emulation) @TODO optional
for (syntax_tag, entity) in ansi::format(&v.data) {
assert!(buffer.tag_table().add(&syntax_tag));
buffer.insert_with_tags(&mut m_start, &entity, &[&syntax_tag])
}
}
}
text_view.add_child_at_anchor(
&{
const MARGIN: i32 = 16;
let widget = Box::builder()
.css_classes(["card"])
.halign(Align::Fill)
.hexpand(true)
.margin_bottom(MARGIN / 2)
.orientation(Orientation::Vertical)
.build();
widget.append(&{
let header = Box::builder()
.halign(Align::Fill)
.hexpand(true)
.orientation(Orientation::Horizontal)
.build();
if let Some(ref alt) = v.alt {
header.append(
&Label::builder()
.halign(Align::Start)
.hexpand(true)
.label(alt)
.margin_bottom(MARGIN)
.margin_end(MARGIN)
.margin_start(MARGIN)
.margin_top(MARGIN)
.selectable(true)
.build(),
);
}
header.append(&{
let copy = Button::builder()
.css_classes(["circular", "flat"])
.halign(Align::End)
.icon_name("edit-copy-symbolic")
.margin_bottom(MARGIN / 2)
.margin_end(MARGIN / 2)
.margin_start(MARGIN / 2)
.margin_top(MARGIN / 2)
.tooltip_text("Copy")
.valign(Align::Center)
.build();
copy.set_cursor_from_name(Some("pointer"));
copy.connect_clicked({
let source = v.data.clone();
move |_| {
Display::default().unwrap().clipboard().set_text(&source)
}
});
copy
});
header
});
widget.append(
&Separator::builder()
.orientation(Orientation::Horizontal)
.build(),
);
widget.append(&{
ScrolledWindow::builder()
.child(
&TextView::builder()
.buffer(&{
let b = TextBuffer::new(Some(&TextTagTable::new()));
let mut start = b.start_iter();
match syntax.highlight(&v.data, v.alt.as_ref()) {
Ok(highlight) => {
for (syntax_tag, entity) in highlight {
assert!(b.tag_table().add(&syntax_tag));
b.insert_with_tags(
&mut start,
&entity,
&[&syntax_tag],
)
}
}
Err(_) => {
// Try ANSI/SGR format (terminal emulation) @TODO optional
for (syntax_tag, entity) in
ansi::format(&v.data)
{
assert!(b.tag_table().add(&syntax_tag));
b.insert_with_tags(
&mut start,
&entity,
&[&syntax_tag],
)
}
}
}
b
})
.css_classes(["code-block"])
.cursor_visible(false)
.editable(false)
.wrap_mode(WrapMode::None)
.build(),
)
.margin_end(MARGIN)
.margin_start(MARGIN)
.margin_top(MARGIN)
.vscrollbar_policy(PolicyType::Never)
.hscrollbar_policy(PolicyType::Automatic)
.propagate_natural_height(true)
.build()
});
idle_add_local({
let widget = widget.clone();
let text_view = text_view.clone();
move || {
widget.set_width_request(text_view.width() - 22);
ControlFlow::Break
}
});
widget
},
&buffer.create_child_anchor(&mut m_end),
);
}
}
}

1
src/app/browser/window/tab/item/page/content/text/markdown/tags/code/ansi/tag.rs
View file

@ -20,7 +20,6 @@ impl Tag {
Self {
text_tag: TextTag::builder()
.family("monospace") // @TODO
.left_margin(28)
.scale(0.81) // * the rounded `0.8` value crops text for some reason @TODO
.wrap_mode(WrapMode::None)
.build(),

1
src/app/browser/window/tab/item/page/content/text/markdown/tags/code/syntax/tag.rs
View file

@ -20,7 +20,6 @@ impl Tag {
Self {
text_tag: TextTag::builder()
.family("monospace") // @TODO
.left_margin(28)
.scale(0.81) // * the rounded `0.8` value crops text for some reason @TODO
.wrap_mode(WrapMode::None)
.build(),