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feat: add multi-file preview

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This commit is contained in:
Jonatan Pettersson 2025-12-21 19:53:09 +01:00 • committed by Jacob Kauffmann
parent 456d4b003e
commit 361465e337
4 changed files with 197 additions and 35 deletions
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62
src/app.rs
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@ -1906,16 +1906,25 @@ impl App {
PreviewKind::Selected => {
if let Some(tab) = self.tab_model.data::<Tab>(entity) {
if let Some(items) = tab.items_opt() {
for item in items {
if item.selected {
children.push(
let preview_opt = {
let mut selected = items.iter().filter(|item| item.selected);
match (selected.next(), selected.next()) {
// At least two selected items
(Some(_), Some(_)) => Some(tab.multi_preview_view()),
// Exactly one selected item
(Some(item), None) => Some(
item.preview_view(Some(&self.mime_app_cache), military_time),
);
// Only show one property view to avoid issues like hangs when generating
// preview images on thousands of files
break;
),
// No selected items
_ => None,
}
};
if let Some(preview) = preview_opt {
children.push(preview);
}
if children.is_empty() {
if let Some(item) = &tab.parent_item_opt {
children.push(
@ -3627,9 +3636,18 @@ impl Application for App {
return cosmic::task::message(Message::SetShowDetails(show_details));
}
Mode::Desktop => {
let selected_paths: Box<[_]> = self.selected_paths(entity_opt).collect();
let mut commands = Vec::with_capacity(selected_paths.len());
for path in selected_paths {
let preview_kind = {
let mut selected_paths = self.selected_paths(entity_opt);
match (selected_paths.next(), selected_paths.next()) {
(Some(_), Some(_)) => Some(PreviewKind::Selected),
(Some(path), None) => {
Some(PreviewKind::Location(Location::Path(path)))
}
_ => None,
}
};
if let Some(preview_kind) = preview_kind {
let mut settings = window::Settings {
decorations: true,
min_size: Some(Size::new(360.0, 180.0)),
@ -3649,14 +3667,10 @@ impl Application for App {
let (id, command) = window::open(settings);
self.windows.insert(
id,
Window::new(WindowKind::Preview(
entity_opt,
PreviewKind::Location(Location::Path(path)),
)),
Window::new(WindowKind::Preview(entity_opt, preview_kind)),
);
commands.push(command.map(|_id| cosmic::action::none()));
return command.map(|_id| cosmic::action::none());
}
return Task::batch(commands);
}
}
}
@ -4786,13 +4800,17 @@ impl Application for App {
.tab_model
.data::<Tab>(entity)
.and_then(|tab| {
tab.items_opt()?
.iter()
.find(|item| item.selected)
.map(|item| {
let mut selected = tab.items_opt()?.iter().filter(|item| item.selected);
match (selected.next(), selected.next()) {
// Exactly one item
(Some(item), None) => Some(
item.preview_actions()
.map(move |x| Message::TabMessage(Some(entity), x))
})
.map(move |x| Message::TabMessage(Some(entity), x)),
),
// Zero or more than one item
_ => None,
}
})
.unwrap_or_else(|| widget::horizontal_space().into());
context_drawer::context_drawer(