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Fix style swatches and live preview modes.

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This commit is contained in:
Chili Palmer
2026-07-20 18:45:27 +02:00
parent e531d32a77
commit 3aa5dcbe55
4 changed files with 102 additions and 12 deletions
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23
crates/bds-core/src/engine/preview.rs
View File

@@ -178,7 +178,7 @@ async fn handle_style_preview(
let language = escape_html(metadata.main_language.as_deref().unwrap_or("en"));
let description = escape_html(metadata.description.as_deref().unwrap_or(&metadata.name));
let html = format!(
"<!doctype html><html lang=\"{language}\"{mode_attributes}><head><meta charset=\"utf-8\" /><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" /><title>{project_name}</title><link rel=\"stylesheet\" href=\"{stylesheet}\" /><link rel=\"stylesheet\" href=\"/assets/bds.css\" /></head><body><main class=\"container\"><nav><ul><li><strong>{project_name}</strong></li></ul></nav><article><header><h1>{project_name}</h1></header><p>{description}</p><progress value=\"70\" max=\"100\"></progress><input type=\"text\" value=\"{project_name}\" aria-label=\"{project_name}\" /><button type=\"button\">{project_name}</button></article></main></body></html>"
"<!doctype html><html lang=\"{language}\"{mode_attributes}><head><meta charset=\"utf-8\" /><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" /><title>{project_name}</title><link rel=\"stylesheet\" href=\"{stylesheet}\" /><link rel=\"stylesheet\" href=\"/assets/bds.css\" /></head><body><main class=\"container\"><nav><ul><li><strong>{project_name}</strong></li></ul><ul><li><button type=\"button\">{project_name}</button></li></ul></nav><article><p>{description}</p><progress value=\"70\" max=\"100\"></progress><input type=\"text\" value=\"{project_name}\" aria-label=\"{project_name}\" /></article></main></body></html>"
);
Html(html).into_response()
}
@@ -1083,14 +1083,35 @@ mod tests {
.unwrap();
assert!(stylesheet.status().is_success());
let stylesheet = stylesheet.text().unwrap();
let light_body = client
.get(format!(
"http://{PREVIEW_HOST}:{PREVIEW_PORT}/__style-preview?theme=amber&mode=light"
))
.send()
.unwrap()
.text()
.unwrap();
let auto_body = client
.get(format!(
"http://{PREVIEW_HOST}:{PREVIEW_PORT}/__style-preview?theme=amber&mode=auto"
))
.send()
.unwrap()
.text()
.unwrap();
server.stop().unwrap();
assert!(body.contains("<article>"));
assert!(body.contains("Blog"));
assert!(body.find("<button").unwrap() < body.find("<article>").unwrap());
assert!(body.contains("href=\"/assets/pico.amber.min.css\""));
assert!(body.contains("data-theme=\"dark\""));
assert!(body.contains("data-mode=\"dark\""));
assert!(!body.contains("data-theme=\"amber\""));
assert!(light_body.contains("data-theme=\"light\""));
assert!(light_body.contains("data-mode=\"light\""));
assert!(!auto_body.contains("data-theme="));
assert!(!auto_body.contains("data-mode="));
assert!(stylesheet.contains("--pico-primary-background:#ffbf00"));
}

27
crates/bds-ui/src/app.rs
View File

@@ -637,6 +637,11 @@ struct PreviewSession {
struct EmbeddedPreviewState {
controller: WebViewController,
current_url: Option<String>,
creation_pending: bool,
}
fn should_start_embedded_preview_creation(active: bool, pending: bool) -> bool {
!active && !pending
}
fn persist_media_editor_state_impl(
@@ -8712,6 +8717,7 @@ impl BdsApp {
self.embedded_style_preview = Some(EmbeddedPreviewState {
controller: WebViewController::new(WebViewConfig::default().url(url.clone())),
current_url: Some(url.clone()),
creation_pending: false,
});
}
@@ -8719,9 +8725,13 @@ impl BdsApp {
return window::get_oldest().map(Message::MainWindowLoaded);
};
if let Some(preview) = &mut self.embedded_style_preview
&& !preview.controller.is_active()
&& should_start_embedded_preview_creation(
preview.controller.is_active(),
preview.creation_pending,
)
{
preview.controller = WebViewController::new(WebViewConfig::default().url(url));
preview.creation_pending = true;
return preview
.controller
.create_task(window_id, Message::EmbeddedStylePreviewReady);
@@ -8762,6 +8772,7 @@ impl BdsApp {
self.embedded_preview = Some(EmbeddedPreviewState {
controller: WebViewController::new(WebViewConfig::default().url(url.clone())),
current_url: Some(url.clone()),
creation_pending: false,
});
}
@@ -8770,9 +8781,13 @@ impl BdsApp {
};
if let Some(preview) = &mut self.embedded_preview
&& !preview.controller.is_active()
&& should_start_embedded_preview_creation(
preview.controller.is_active(),
preview.creation_pending,
)
{
preview.controller = WebViewController::new(WebViewConfig::default().url(url));
preview.creation_pending = true;
return preview
.controller
.create_task(window_id, Message::EmbeddedPreviewReady);
@@ -9426,6 +9441,7 @@ mod tests {
persist_post_editor_preview_state_impl, persist_post_editor_state_impl,
remote_error_closes_connection, save_editor_settings_state_impl,
save_script_editor_state_impl, save_template_editor_state_impl,
should_start_embedded_preview_creation,
};
use crate::i18n::t;
use crate::platform::menu::MenuAction;
@@ -10954,6 +10970,13 @@ mod tests {
assert!(!state.can_apply());
}
#[test]
fn embedded_preview_creation_starts_only_when_idle() {
assert!(should_start_embedded_preview_creation(false, false));
assert!(!should_start_embedded_preview_creation(false, true));
assert!(!should_start_embedded_preview_creation(true, false));
}
#[test]
fn applying_style_persists_project_metadata_emits_event_and_updates_badge() {
let (db, project, tmp) = setup();

6
crates/bds-ui/src/app/preview_handlers.rs
View File

@@ -11,6 +11,9 @@ impl BdsApp {
])
}
Message::EmbeddedPreviewReady(result) => {
if let Some(preview) = &mut self.embedded_preview {
preview.creation_pending = false;
}
match result {
Ok(()) => {
let visible = self.active_post_uses_embedded_preview();
@@ -29,6 +32,9 @@ impl BdsApp {
Task::none()
}
Message::EmbeddedStylePreviewReady(result) => {
if let Some(preview) = &mut self.embedded_style_preview {
preview.creation_pending = false;
}
match result {
Ok(()) => {
let visible = self.active_style_uses_embedded_preview();

58
crates/bds-ui/src/views/style_view.rs
View File

@@ -1,6 +1,6 @@
use iced::widget::text::Shaping;
use iced::widget::{Column, Space, button, column, container, row, scrollable, text};
use iced::{Background, Border, Color, Element, Length, Theme};
use iced::{Background, Border, Color, Element, Length, Radians, Theme, gradient};
use bds_core::i18n::UiLocale;
@@ -194,11 +194,24 @@ fn theme_button_style(selected: bool, status: button::Status) -> button::Style {
}
}
fn swatch(color: &'static str) -> Element<'static, Message> {
container(Space::new(Length::Fill, Length::Fixed(16.0)))
.width(Length::Fill)
fn theme_accent_background(theme: &StyleTheme) -> Background {
gradient::Linear::new(Radians(3.0 * std::f32::consts::FRAC_PI_4))
.add_stop(0.0, parse_hex_color(theme.accent_color))
.add_stop(1.0, parse_hex_color(theme.dark_bg_color))
.into()
}
fn swatch(background: Background, width_portion: u16) -> Element<'static, Message> {
container(Space::new(Length::Fill, Length::Fill))
.width(Length::FillPortion(width_portion))
.height(Length::Fixed(30.0))
.style(move |_: &Theme| container::Style {
background: Some(Background::Color(parse_hex_color(color))),
background: Some(background),
border: Border {
color: Color::from_rgba8(0xff, 0xff, 0xff, 0.08),
width: 1.0,
radius: 5.0.into(),
},
..container::Style::default()
})
.into()
@@ -210,11 +223,11 @@ fn theme_button<'a>(theme: &StyleTheme, selected_theme: &str) -> Element<'a, Mes
button(
column![
row![
swatch(theme.accent_color),
swatch(theme.light_bg_color),
swatch(theme.dark_bg_color),
swatch(theme_accent_background(theme), 2),
swatch(Background::Color(parse_hex_color(theme.light_bg_color)), 1),
swatch(Background::Color(parse_hex_color(theme.dark_bg_color)), 1),
]
.spacing(2),
.spacing(4),
text(display_theme_name(theme.name))
.size(12)
.shaping(Shaping::Advanced),
@@ -382,15 +395,42 @@ mod tests {
}));
}
#[test]
fn theme_swatches_use_distinct_accent_gradients() {
let backgrounds = THEMES
.iter()
.map(theme_accent_background)
.collect::<Vec<_>>();
assert!(
backgrounds
.iter()
.all(|background| matches!(background, Background::Gradient(_)))
);
for (index, background) in backgrounds.iter().enumerate() {
assert!(!backgrounds[..index].contains(background));
}
}
#[test]
fn preview_url_tracks_selection_and_local_mode() {
let mut state = StyleViewState::new(Some("blue"));
state.select_theme("pumpkin");
assert_eq!(
state.preview_url(),
"http://127.0.0.1:4123/__style-preview?theme=pumpkin&mode=auto"
);
state.set_preview_mode(PreviewMode::Light);
assert_eq!(
state.preview_url(),
"http://127.0.0.1:4123/__style-preview?theme=pumpkin&mode=light"
);
state.set_preview_mode(PreviewMode::Dark);
assert_eq!(
state.preview_url(),
"http://127.0.0.1:4123/__style-preview?theme=pumpkin&mode=dark"
);
assert_eq!(state.applied_theme, "blue");
}