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cosmic-files/src/tab.rs
Jeremy Soller 081156670e
Add text previews
2024-10-10 10:05:48 -06:00

4866 lines
181 KiB
Rust
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use cosmic::{
cosmic_theme, font,
iced::{
advanced::{
graphics,
text::{self, Paragraph},
},
alignment::{Horizontal, Vertical},
clipboard::dnd::DndAction,
event,
futures,
futures::SinkExt,
keyboard::Modifiers,
subscription::{self, Subscription},
//TODO: export in cosmic::widget
widget::{
container, horizontal_rule,
scrollable::{self, AbsoluteOffset, Viewport},
},
Alignment,
Border,
Color,
ContentFit,
Length,
Point,
Rectangle,
Size,
},
iced_core::{mouse::ScrollDelta, widget::tree},
iced_style::rule,
theme,
widget::{
self,
menu::{action::MenuAction, key_bind::KeyBind},
vertical_space, DndDestination, DndSource, Id, Widget,
},
Element, Theme,
};
use chrono::{DateTime, Utc};
use mime_guess::{mime, Mime};
use once_cell::sync::Lazy;
use serde::{Deserialize, Serialize};
use std::{
cell::{Cell, RefCell},
cmp::Ordering,
collections::HashMap,
fmt::{self, Display},
fs::{self, File, Metadata},
io::{BufRead, BufReader},
os::unix::fs::MetadataExt,
path::{Path, PathBuf},
sync::{atomic, Arc, Mutex, RwLock},
time::{Duration, Instant, SystemTime},
};
use tokio::sync::mpsc;
use crate::{
app::{self, Action, PreviewItem, PreviewKind},
clipboard::{ClipboardCopy, ClipboardKind, ClipboardPaste},
config::{DesktopConfig, IconSizes, TabConfig, ICON_SCALE_MAX, ICON_SIZE_GRID},
dialog::DialogKind,
fl,
localize::{LANGUAGE_CHRONO, LANGUAGE_SORTER},
menu,
mime_app::{mime_apps, MimeApp},
mime_icon::{mime_for_path, mime_icon},
mounter::MOUNTERS,
mouse_area,
thumbnailer::thumbnailer,
};
use unix_permissions_ext::UNIXPermissionsExt;
use uzers::{get_group_by_gid, get_user_by_uid};
pub const DOUBLE_CLICK_DURATION: Duration = Duration::from_millis(500);
pub const HOVER_DURATION: Duration = Duration::from_millis(1600);
//TODO: best limit for search items
const MAX_SEARCH_LATENCY: Duration = Duration::from_millis(20);
const MAX_SEARCH_RESULTS: usize = 200;
//TODO: configurable thumbnail size?
const THUMBNAIL_SIZE: u32 = (ICON_SIZE_GRID as u32) * (ICON_SCALE_MAX as u32);
//TODO: adjust for locales?
const DATE_TIME_FORMAT: &'static str = "%b %-d, %-Y, %-I:%M %p";
const TIME_FORMAT: &'static str = "%-I:%M %p";
static SPECIAL_DIRS: Lazy<HashMap<PathBuf, &'static str>> = Lazy::new(|| {
let mut special_dirs = HashMap::new();
if let Some(dir) = dirs::document_dir() {
special_dirs.insert(dir, "folder-documents");
}
if let Some(dir) = dirs::download_dir() {
special_dirs.insert(dir, "folder-download");
}
if let Some(dir) = dirs::audio_dir() {
special_dirs.insert(dir, "folder-music");
}
if let Some(dir) = dirs::picture_dir() {
special_dirs.insert(dir, "folder-pictures");
}
if let Some(dir) = dirs::public_dir() {
special_dirs.insert(dir, "folder-publicshare");
}
if let Some(dir) = dirs::template_dir() {
special_dirs.insert(dir, "folder-templates");
}
if let Some(dir) = dirs::video_dir() {
special_dirs.insert(dir, "folder-videos");
}
if let Some(dir) = dirs::desktop_dir() {
special_dirs.insert(dir, "user-desktop");
}
if let Some(dir) = dirs::home_dir() {
special_dirs.insert(dir, "user-home");
}
special_dirs
});
fn button_appearance(
theme: &theme::Theme,
selected: bool,
focused: bool,
accent: bool,
condensed_radius: bool,
desktop: bool,
) -> widget::button::Appearance {
let cosmic = theme.cosmic();
let mut appearance = widget::button::Appearance::new();
if selected {
if accent {
appearance.background = Some(Color::from(cosmic.accent_color()).into());
appearance.icon_color = Some(Color::from(cosmic.on_accent_color()));
appearance.text_color = Some(Color::from(cosmic.on_accent_color()));
} else {
appearance.background = Some(Color::from(cosmic.bg_component_color()).into());
}
} else if desktop {
appearance.background = Some(Color::from(cosmic.bg_color()).into());
appearance.icon_color = Some(Color::from(cosmic.on_bg_color()));
appearance.text_color = Some(Color::from(cosmic.on_bg_color()));
}
if focused && accent {
appearance.outline_width = 1.0;
appearance.outline_color = Color::from(cosmic.accent_color());
appearance.border_width = 2.0;
appearance.border_color = Color::TRANSPARENT;
}
if condensed_radius {
appearance.border_radius = cosmic.radius_xs().into();
} else {
appearance.border_radius = cosmic.radius_s().into();
}
appearance
}
fn button_style(
selected: bool,
accent: bool,
condensed_radius: bool,
desktop: bool,
) -> theme::Button {
//TODO: move to libcosmic?
theme::Button::Custom {
active: Box::new(move |focused, theme| {
button_appearance(theme, selected, focused, accent, condensed_radius, desktop)
}),
disabled: Box::new(move |theme| {
button_appearance(theme, selected, false, accent, condensed_radius, desktop)
}),
hovered: Box::new(move |focused, theme| {
button_appearance(theme, selected, focused, accent, condensed_radius, desktop)
}),
pressed: Box::new(move |focused, theme| {
button_appearance(theme, selected, focused, accent, condensed_radius, desktop)
}),
}
}
pub fn folder_icon(path: &PathBuf, icon_size: u16) -> widget::icon::Handle {
widget::icon::from_name(SPECIAL_DIRS.get(path).map_or("folder", |x| *x))
.size(icon_size)
.handle()
}
pub fn folder_icon_symbolic(path: &PathBuf, icon_size: u16) -> widget::icon::Handle {
widget::icon::from_name(format!(
"{}-symbolic",
SPECIAL_DIRS.get(path).map_or("folder", |x| *x)
))
.size(icon_size)
.handle()
}
#[cfg(target_os = "macos")]
pub fn trash_entries() -> usize {
0
}
#[cfg(not(target_os = "macos"))]
pub fn trash_entries() -> usize {
match trash::os_limited::list() {
Ok(entries) => entries.len(),
Err(_err) => 0,
}
}
pub fn trash_icon(icon_size: u16) -> widget::icon::Handle {
widget::icon::from_name(if trash_entries() > 0 {
"user-trash-full"
} else {
"user-trash"
})
.size(icon_size)
.handle()
}
pub fn trash_icon_symbolic(icon_size: u16) -> widget::icon::Handle {
widget::icon::from_name(if trash_entries() > 0 {
"user-trash-full-symbolic"
} else {
"user-trash-symbolic"
})
.size(icon_size)
.handle()
}
//TODO: translate, add more levels?
fn format_size(size: u64) -> String {
const KB: u64 = 1000;
const MB: u64 = 1000 * KB;
const GB: u64 = 1000 * MB;
const TB: u64 = 1000 * GB;
if size >= TB {
format!("{:.1} TB", size as f64 / TB as f64)
} else if size >= GB {
format!("{:.1} GB", size as f64 / GB as f64)
} else if size >= MB {
format!("{:.1} MB", size as f64 / MB as f64)
} else if size >= KB {
format!("{:.1} KB", size as f64 / KB as f64)
} else {
format!("{} B", size)
}
}
enum PermissionOwner {
Owner,
Group,
Other,
}
fn format_permissions_owner(metadata: &Metadata, owner: PermissionOwner) -> String {
return match owner {
PermissionOwner::Owner => get_user_by_uid(metadata.uid())
.and_then(|user| user.name().to_str().map(ToOwned::to_owned))
.unwrap_or_default(),
PermissionOwner::Group => get_group_by_gid(metadata.gid())
.and_then(|group| group.name().to_str().map(ToOwned::to_owned))
.unwrap_or_default(),
PermissionOwner::Other => String::from(""),
};
}
fn format_permissions(metadata: &Metadata, owner: PermissionOwner) -> String {
let mut perms: Vec<String> = Vec::new();
if match owner {
PermissionOwner::Owner => metadata.permissions().readable_by_owner(),
PermissionOwner::Group => metadata.permissions().readable_by_group(),
PermissionOwner::Other => metadata.permissions().readable_by_other(),
} {
perms.push(fl!("read"));
}
if match owner {
PermissionOwner::Owner => metadata.permissions().writable_by_owner(),
PermissionOwner::Group => metadata.permissions().writable_by_group(),
PermissionOwner::Other => metadata.permissions().writable_by_other(),
} {
perms.push(fl!("write"));
}
if match owner {
PermissionOwner::Owner => metadata.permissions().executable_by_owner(),
PermissionOwner::Group => metadata.permissions().executable_by_group(),
PermissionOwner::Other => metadata.permissions().executable_by_other(),
} {
perms.push(fl!("execute"));
}
perms.join(" ")
}
struct FormatTime(SystemTime);
impl FormatTime {
fn from_secs(secs: i64) -> Option<Self> {
// This looks convoluted because we need to ensure the units match up
let secs: u64 = secs.try_into().ok()?;
let now = SystemTime::now();
let filetime_diff = now
.duration_since(SystemTime::UNIX_EPOCH)
.map(|from_epoch| from_epoch.as_secs())
.ok()
.and_then(|now_secs| now_secs.checked_sub(secs))
.map(Duration::from_secs)?;
now.checked_add(filetime_diff).map(FormatTime)
}
}
impl Display for FormatTime {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let date_time = chrono::DateTime::<chrono::Local>::from(self.0);
let now = chrono::Local::now();
if date_time.date_naive() == now.date_naive() {
write!(
f,
"{}, {}",
fl!("today"),
date_time.format_localized(TIME_FORMAT, *LANGUAGE_CHRONO)
)
} else {
date_time
.format_localized(DATE_TIME_FORMAT, *LANGUAGE_CHRONO)
.fmt(f)
}
}
}
fn format_time(time: SystemTime) -> FormatTime {
FormatTime(time)
}
#[cfg(not(target_os = "windows"))]
fn hidden_attribute(_metadata: &Metadata) -> bool {
false
}
#[cfg(target_os = "windows")]
fn hidden_attribute(metadata: &Metadata) -> bool {
use std::os::windows::fs::MetadataExt;
// https://learn.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants
const FILE_ATTRIBUTE_HIDDEN: u32 = 2;
metadata.file_attributes() & FILE_ATTRIBUTE_HIDDEN == FILE_ATTRIBUTE_HIDDEN
}
pub fn parse_desktop_file(path: &Path) -> (Option<String>, Option<String>) {
let entry = match freedesktop_entry_parser::parse_entry(path) {
Ok(ok) => ok,
Err(err) => {
log::warn!("failed to parse {:?}: {}", path, err);
return (None, None);
}
};
(
entry
.section("Desktop Entry")
.attr("Name")
.map(|x| x.to_string()),
entry
.section("Desktop Entry")
.attr("Icon")
.map(|x| x.to_string()),
)
}
pub fn item_from_entry(
path: PathBuf,
name: String,
metadata: fs::Metadata,
sizes: IconSizes,
) -> Item {
let mut display_name = Item::display_name(&name);
let hidden = name.starts_with(".") || hidden_attribute(&metadata);
let (mime, icon_handle_grid, icon_handle_list, icon_handle_list_condensed) =
if metadata.is_dir() {
(
//TODO: make this a static
"inode/directory".parse().unwrap(),
folder_icon(&path, sizes.grid()),
folder_icon(&path, sizes.list()),
folder_icon(&path, sizes.list_condensed()),
)
} else {
let mime = mime_for_path(&path);
//TODO: clean this up, implement for trash
let icon_name_opt = if mime == "application/x-desktop" {
let (desktop_name_opt, icon_name_opt) = parse_desktop_file(&path);
if let Some(desktop_name) = desktop_name_opt {
display_name = Item::display_name(&desktop_name);
}
icon_name_opt
} else {
None
};
if let Some(icon_name) = icon_name_opt {
(
mime.clone(),
widget::icon::from_name(&*icon_name)
.size(sizes.grid())
.handle(),
widget::icon::from_name(&*icon_name)
.size(sizes.list())
.handle(),
widget::icon::from_name(&*icon_name)
.size(sizes.list_condensed())
.handle(),
)
} else {
(
mime.clone(),
mime_icon(mime.clone(), sizes.grid()),
mime_icon(mime.clone(), sizes.list()),
mime_icon(mime, sizes.list_condensed()),
)
}
};
let open_with = mime_apps(&mime);
let children = if metadata.is_dir() {
//TODO: calculate children in the background (and make it cancellable?)
match fs::read_dir(&path) {
Ok(entries) => entries.count(),
Err(err) => {
log::warn!("failed to read directory {:?}: {}", path, err);
0
}
}
} else {
0
};
Item {
name,
display_name,
metadata: ItemMetadata::Path { metadata, children },
hidden,
location_opt: Some(Location::Path(path)),
mime,
icon_handle_grid,
icon_handle_list,
icon_handle_list_condensed,
open_with,
thumbnail_opt: None,
button_id: widget::Id::unique(),
pos_opt: Cell::new(None),
rect_opt: Cell::new(None),
selected: false,
overlaps_drag_rect: false,
}
}
pub fn item_from_path<P: Into<PathBuf>>(path: P, sizes: IconSizes) -> Result<Item, String> {
let path = path.into();
let name_os = path
.file_name()
.ok_or_else(|| format!("failed to get file name from path {:?}", path))?;
let name = name_os
.to_str()
.ok_or_else(|| {
format!(
"failed to parse file name for {:?}: {:?} is not valid UTF-8",
path, name_os
)
})?
.to_string();
let metadata = fs::metadata(&path)
.map_err(|err| format!("failed to read metadata for {:?}: {}", path, err))?;
Ok(item_from_entry(path, name, metadata, sizes))
}
pub fn scan_path(tab_path: &PathBuf, sizes: IconSizes) -> Vec<Item> {
let mut items = Vec::new();
let mut hidden_files = Vec::new();
match fs::read_dir(tab_path) {
Ok(entries) => {
for entry_res in entries {
let entry = match entry_res {
Ok(ok) => ok,
Err(err) => {
log::warn!("failed to read entry in {:?}: {}", tab_path, err);
continue;
}
};
let path = entry.path();
let name = match entry.file_name().into_string() {
Ok(ok) => ok,
Err(name_os) => {
log::warn!(
"failed to parse entry at {:?}: {:?} is not valid UTF-8",
path,
name_os,
);
continue;
}
};
if name == ".hidden" {
hidden_files = parse_hidden_file(&path);
}
let metadata = match fs::metadata(&path) {
Ok(ok) => ok,
Err(err) => {
log::warn!("failed to read metadata for entry at {:?}: {}", path, err);
continue;
}
};
items.push(item_from_entry(path, name, metadata, sizes));
}
}
Err(err) => {
log::warn!("failed to read directory {:?}: {}", tab_path, err);
}
}
items.sort_by(|a, b| match (a.metadata.is_dir(), b.metadata.is_dir()) {
(true, false) => Ordering::Less,
(false, true) => Ordering::Greater,
_ => LANGUAGE_SORTER.compare(&a.display_name, &b.display_name),
});
items.iter_mut().for_each(|item| {
if hidden_files
.iter()
.find(|hidden| &&item.name == hidden)
.is_some()
{
item.hidden = true;
}
});
items
}
pub fn scan_search<F: Fn(&Path, &str, Metadata) -> bool + Sync>(
tab_path: &PathBuf,
term: &str,
show_hidden: bool,
callback: F,
) {
if term.is_empty() {
return;
}
let pattern = regex::escape(&term);
let regex = match regex::RegexBuilder::new(&pattern)
.case_insensitive(true)
.build()
{
Ok(ok) => ok,
Err(err) => {
log::warn!("failed to parse regex {:?}: {}", pattern, err);
return;
}
};
ignore::WalkBuilder::new(tab_path)
.standard_filters(false)
.hidden(!show_hidden)
//TODO: only use this on supported targets
.same_file_system(true)
.build_parallel()
.run(|| {
Box::new(|entry_res| {
let Ok(entry) = entry_res else {
// Skip invalid entries
return ignore::WalkState::Skip;
};
let Some(file_name) = entry.file_name().to_str() else {
// Skip anything with an invalid name
return ignore::WalkState::Skip;
};
if regex.is_match(file_name) {
let path = entry.path();
let metadata = match entry.metadata() {
Ok(ok) => ok,
Err(err) => {
log::warn!("failed to read metadata for entry at {:?}: {}", path, err);
return ignore::WalkState::Continue;
}
};
//TODO: use entry.into_path?
if !callback(path, file_name, metadata) {
return ignore::WalkState::Quit;
}
}
ignore::WalkState::Continue
})
});
}
// This config statement is from trash::os_limited, inverted
#[cfg(not(any(
target_os = "windows",
all(
unix,
not(target_os = "macos"),
not(target_os = "ios"),
not(target_os = "android")
)
)))]
pub fn scan_trash(_sizes: IconSizes) -> Vec<Item> {
log::warn!("viewing trash not supported on this platform");
Vec::new()
}
// This config statement is from trash::os_limited
#[cfg(any(
target_os = "windows",
all(
unix,
not(target_os = "macos"),
not(target_os = "ios"),
not(target_os = "android")
)
))]
pub fn scan_trash(sizes: IconSizes) -> Vec<Item> {
let mut items: Vec<Item> = Vec::new();
match trash::os_limited::list() {
Ok(entries) => {
for entry in entries {
let metadata = match trash::os_limited::metadata(&entry) {
Ok(ok) => ok,
Err(err) => {
log::warn!("failed to get metadata for trash item {:?}: {}", entry, err);
continue;
}
};
let original_path = entry.original_path();
let name = entry.name.to_string_lossy().to_string();
let display_name = Item::display_name(&name);
let (mime, icon_handle_grid, icon_handle_list, icon_handle_list_condensed) =
match metadata.size {
trash::TrashItemSize::Entries(_) => (
//TODO: make this a static
"inode/directory".parse().unwrap(),
folder_icon(&original_path, sizes.grid()),
folder_icon(&original_path, sizes.list()),
folder_icon(&original_path, sizes.list_condensed()),
),
trash::TrashItemSize::Bytes(_) => {
//TODO: do not use original path
let mime = mime_for_path(&original_path);
(
mime.clone(),
mime_icon(mime.clone(), sizes.grid()),
mime_icon(mime.clone(), sizes.list()),
mime_icon(mime, sizes.list_condensed()),
)
}
};
items.push(Item {
name,
display_name,
metadata: ItemMetadata::Trash { metadata, entry },
hidden: false,
location_opt: None,
mime,
icon_handle_grid,
icon_handle_list,
icon_handle_list_condensed,
open_with: Vec::new(),
thumbnail_opt: Some(ItemThumbnail::NotImage),
button_id: widget::Id::unique(),
pos_opt: Cell::new(None),
rect_opt: Cell::new(None),
selected: false,
overlaps_drag_rect: false,
});
}
}
Err(err) => {
log::warn!("failed to read trash items: {}", err);
}
}
items.sort_by(|a, b| match (a.metadata.is_dir(), b.metadata.is_dir()) {
(true, false) => Ordering::Less,
(false, true) => Ordering::Greater,
_ => LANGUAGE_SORTER.compare(&a.display_name, &b.display_name),
});
items
}
fn uri_to_path(uri: String) -> Option<PathBuf> {
//TODO support for external drive or cloud?
if uri.starts_with("file://") {
let path_str = &uri[7..];
Some(PathBuf::from(path_str))
} else {
None
}
}
pub fn scan_recents(sizes: IconSizes) -> Vec<Item> {
let mut recents = Vec::new();
match recently_used_xbel::parse_file() {
Ok(recent_files) => {
for bookmark in recent_files.bookmarks {
let uri = bookmark.href;
let path = match uri_to_path(uri) {
None => continue,
Some(path) => path,
};
let last_edit = match bookmark.modified.parse::<DateTime<Utc>>() {
Ok(last_edit) => last_edit,
Err(_) => continue,
};
let last_visit = match bookmark.visited.parse::<DateTime<Utc>>() {
Ok(last_visit) => last_visit,
Err(_) => continue,
};
let path_buf = PathBuf::from(path);
let path_exist = path_buf.exists();
if path_exist {
let file_name = path_buf.file_name();
if let Some(name) = file_name {
let name = name.to_string_lossy().to_string();
let metadata = match path_buf.metadata() {
Ok(ok) => ok,
Err(err) => {
log::warn!(
"failed to read metadata for entry at {:?}: {}",
path_buf.clone(),
err
);
continue;
}
};
let item = item_from_entry(path_buf, name, metadata, sizes);
recents.push((
item,
if last_edit.le(&last_visit) {
last_edit
} else {
last_visit
},
))
}
} else {
log::warn!("recent file path not exist: {:?}", path_buf);
}
}
}
Err(err) => {
log::warn!("Error reading recent files: {:?}", err);
}
}
recents.sort_by(|a, b| b.1.cmp(&a.1));
recents.into_iter().take(50).map(|(item, _)| item).collect()
}
pub fn scan_network(uri: &str, sizes: IconSizes) -> Vec<Item> {
for (_key, mounter) in MOUNTERS.iter() {
match mounter.network_scan(uri, sizes) {
Some(Ok(items)) => return items,
Some(Err(err)) => {
log::warn!("failed to scan {:?}: {}", uri, err);
}
None => {}
}
}
Vec::new()
}
//TODO: organize desktop items based on display
pub fn scan_desktop(
tab_path: &PathBuf,
_display: &str,
desktop_config: DesktopConfig,
sizes: IconSizes,
) -> Vec<Item> {
let mut items = Vec::new();
if desktop_config.show_content {
items.extend(scan_path(tab_path, sizes));
}
if desktop_config.show_mounted_drives {
for (_mounter_key, mounter) in MOUNTERS.iter() {
for mounter_item in mounter.items(sizes).unwrap_or_default() {
let Some(path) = mounter_item.path() else {
continue;
};
// Get most item data from path
let mut item = match item_from_path(&path, sizes) {
Ok(item) => item,
Err(err) => {
log::warn!("failed to get item from mounter item {:?}: {}", path, err);
continue;
}
};
//Override some data with mounter information
item.name = mounter_item.name();
item.display_name = Item::display_name(&item.name);
//TODO: use icon size for mounter item icon
if let Some(icon) = mounter_item.icon(false) {
item.icon_handle_grid = icon.clone();
item.icon_handle_list = icon.clone();
item.icon_handle_list_condensed = icon;
}
items.push(item);
}
}
}
if desktop_config.show_trash {
let name = fl!("trash");
let display_name = Item::display_name(&name);
let metadata = ItemMetadata::SimpleDir {
entries: trash_entries() as u64,
};
let (mime, icon_handle_grid, icon_handle_list, icon_handle_list_condensed) = {
(
"inode/directory".parse().unwrap(),
trash_icon(sizes.grid()),
trash_icon(sizes.list()),
trash_icon(sizes.list_condensed()),
)
};
items.push(Item {
name,
display_name,
metadata,
hidden: false,
location_opt: Some(Location::Trash),
mime,
icon_handle_grid,
icon_handle_list,
icon_handle_list_condensed,
open_with: Vec::new(),
thumbnail_opt: Some(ItemThumbnail::NotImage),
button_id: widget::Id::unique(),
pos_opt: Cell::new(None),
rect_opt: Cell::new(None),
selected: false,
overlaps_drag_rect: false,
})
}
items
}
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub enum Location {
Desktop(PathBuf, String, DesktopConfig),
Network(String, String),
Path(PathBuf),
Recents,
Search(PathBuf, String, bool, Instant),
Trash,
}
impl std::fmt::Display for Location {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Desktop(path, display, ..) => {
write!(f, "{} on display {display}", path.display())
}
Self::Network(uri, ..) => write!(f, "{}", uri),
Self::Path(path) => write!(f, "{}", path.display()),
Self::Recents => write!(f, "recents"),
Self::Search(path, term, ..) => write!(f, "search {} for {}", path.display(), term),
Self::Trash => write!(f, "trash"),
}
}
}
impl Location {
pub fn path_opt(&self) -> Option<&PathBuf> {
match self {
Self::Desktop(path, ..) => Some(&path),
Self::Path(path) => Some(&path),
Self::Search(path, ..) => Some(&path),
_ => None,
}
}
pub fn with_path(&self, path: PathBuf) -> Self {
match self {
Self::Desktop(_, display, desktop_config) => {
Self::Desktop(path, display.clone(), *desktop_config)
}
Self::Path(..) => Self::Path(path),
Self::Search(_, term, show_hidden, _) => {
Self::Search(path, term.clone(), *show_hidden, Instant::now())
}
other => other.clone(),
}
}
pub fn scan(&self, sizes: IconSizes) -> Vec<Item> {
match self {
Self::Desktop(path, display, desktop_config) => {
scan_desktop(path, display, *desktop_config, sizes)
}
Self::Path(path) => scan_path(path, sizes),
Self::Search(..) => {
// Search is done incrementally
Vec::new()
}
Self::Trash => scan_trash(sizes),
Self::Recents => scan_recents(sizes),
Self::Network(uri, _) => scan_network(uri, sizes),
}
}
}
#[derive(Debug)]
pub enum Command {
Action(Action),
AddNetworkDrive,
ChangeLocation(String, Location, Option<PathBuf>),
DropFiles(PathBuf, ClipboardPaste),
EmptyTrash,
Iced(cosmic::Command<Message>),
MoveToTrash(Vec<PathBuf>),
OpenFile(PathBuf),
OpenInNewTab(PathBuf),
OpenInNewWindow(PathBuf),
OpenTrash,
Preview(PreviewKind),
WindowDrag,
WindowToggleMaximize,
}
#[derive(Clone, Debug)]
pub enum Message {
AddNetworkDrive,
Click(Option<usize>),
DoubleClick(Option<usize>),
ClickRelease(Option<usize>),
DragEnd(Option<usize>),
Config(TabConfig),
ContextAction(Action),
ContextMenu(Option<Point>),
LocationContextMenuPoint(Option<Point>),
LocationContextMenuIndex(Option<usize>),
LocationMenuAction(LocationMenuAction),
Drag(Option<Rectangle>),
EditLocation(Option<Location>),
EditLocationToggle,
OpenInNewTab(PathBuf),
EmptyTrash,
Gallery(bool),
GalleryPrevious,
GalleryNext,
GalleryToggle,
GoNext,
GoPrevious,
ItemDown,
ItemLeft,
ItemRight,
ItemUp,
Location(Location),
LocationUp,
Open(Option<PathBuf>),
RightClick(Option<usize>),
MiddleClick(usize),
Scroll(Viewport),
ScrollToFocus,
SearchContext(Location, SearchContextWrapper),
SearchReady(bool),
SelectAll,
SetSort(HeadingOptions, bool),
Thumbnail(PathBuf, ItemThumbnail),
ToggleShowHidden,
View(View),
ToggleSort(HeadingOptions),
Drop(Option<(Location, ClipboardPaste)>),
DndHover(Location),
DndEnter(Location),
DndLeave(Location),
WindowDrag,
WindowToggleMaximize,
ZoomIn,
ZoomOut,
}
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub enum LocationMenuAction {
OpenInNewTab(usize),
OpenInNewWindow(usize),
Preview(usize),
}
impl MenuAction for LocationMenuAction {
type Message = Message;
fn message(&self) -> Self::Message {
Message::LocationMenuAction(*self)
}
}
#[derive(Clone, Debug)]
pub enum ItemMetadata {
Path {
metadata: Metadata,
children: usize,
},
Trash {
metadata: trash::TrashItemMetadata,
entry: trash::TrashItem,
},
SimpleDir {
entries: u64,
},
SimpleFile {
size: u64,
},
}
impl ItemMetadata {
pub fn is_dir(&self) -> bool {
match self {
Self::Path { metadata, .. } => metadata.is_dir(),
Self::Trash { metadata, .. } => match metadata.size {
trash::TrashItemSize::Entries(_) => true,
trash::TrashItemSize::Bytes(_) => false,
},
Self::SimpleDir { .. } => true,
Self::SimpleFile { .. } => false,
}
}
pub fn modified(&self) -> Option<SystemTime> {
match self {
Self::Path { metadata, .. } => metadata.modified().ok(),
_ => None,
}
}
}
#[derive(Debug)]
pub enum ItemThumbnail {
NotImage,
Image(widget::image::Handle, Option<(u32, u32)>),
Svg(widget::svg::Handle),
Text(widget::text_editor::Content),
}
impl Clone for ItemThumbnail {
fn clone(&self) -> Self {
match self {
Self::NotImage => Self::NotImage,
Self::Image(handle, size_opt) => Self::Image(handle.clone(), *size_opt),
Self::Svg(handle) => Self::Svg(handle.clone()),
// Content cannot be cloned
Self::Text(content) => Self::NotImage,
}
}
}
impl ItemThumbnail {
pub fn new(path: &Path, metadata: fs::Metadata, mime: mime::Mime, thumbnail_size: u32) -> Self {
let size = metadata.len();
let check_size = |thumbnailer: &str, max_size| {
if size <= max_size {
true
} else {
log::warn!(
"skipping internal {} thumbnailer for {:?}: file size {} is larger than {}",
thumbnailer,
path,
format_size(size),
format_size(max_size)
);
false
}
};
//TODO: adjust limits for internal thumbnailers as desired
if mime.type_() == mime::IMAGE
&& mime.subtype() == mime::SVG
&& check_size("svg", 8 * 1000 * 1000)
{
// Try built-in svg thumbnailer
match fs::read(&path) {
Ok(data) => {
//TODO: validate SVG data
return ItemThumbnail::Svg(widget::svg::Handle::from_memory(data));
}
Err(err) => {
log::warn!("failed to read {:?}: {}", path, err);
}
}
} else if mime.type_() == mime::IMAGE && check_size("image", 64 * 1000 * 1000) {
// Try built-in image thumbnailer
match image::io::Reader::open(&path).and_then(|img| img.with_guessed_format()) {
Ok(reader) => match reader.decode() {
Ok(image) => {
let thumbnail =
image.thumbnail(thumbnail_size, thumbnail_size).into_rgba8();
return ItemThumbnail::Image(
widget::image::Handle::from_pixels(
thumbnail.width(),
thumbnail.height(),
thumbnail.into_raw(),
),
Some((image.width(), image.height())),
);
}
Err(err) => {
log::warn!("failed to decode {:?}: {}", path, err);
}
},
Err(err) => {
log::warn!("failed to read {:?}: {}", path, err);
}
}
} else if mime.type_() == mime::TEXT && check_size("text", 8 * 1000 * 1000) {
match fs::read_to_string(&path) {
Ok(data) => {
return ItemThumbnail::Text(widget::text_editor::Content::with_text(&data));
}
Err(err) => {
log::warn!("failed to read {:?}: {}", path, err);
}
}
}
// Try external thumbnailers
for thumbnailer in thumbnailer(&mime) {
let prefix = if thumbnailer.exec.starts_with("evince-thumbnailer ") {
//TODO: apparmor config for evince-thumbnailer does not allow /tmp/cosmic-files*
"gnome-desktop-"
} else {
"cosmic-files-"
};
let file = match tempfile::NamedTempFile::with_prefix(prefix) {
Ok(ok) => ok,
Err(err) => {
log::warn!(
"failed to create temporary file for thumbnail of {:?}: {}",
path,
err
);
continue;
}
};
let Some(mut command) = thumbnailer.command(&path, file.path(), thumbnail_size) else {
continue;
};
match command.status() {
Ok(status) => {
if status.success() {
match image::io::Reader::open(file.path())
.and_then(|img| img.with_guessed_format())
{
Ok(reader) => match reader.decode().map(|image| image.into_rgba8()) {
Ok(image) => {
return ItemThumbnail::Image(
widget::image::Handle::from_pixels(
image.width(),
image.height(),
image.into_raw(),
),
None,
);
}
Err(err) => {
log::warn!("failed to decode {:?}: {}", path, err);
}
},
Err(err) => {
log::warn!("failed to read {:?}: {}", path, err);
}
}
} else {
log::warn!("failed to run {:?} for {:?}: {}", thumbnailer, path, status);
}
}
Err(err) => {
log::warn!("failed to run {:?} for {:?}: {}", thumbnailer, path, err);
}
}
}
ItemThumbnail::NotImage
}
}
#[derive(Clone, Debug)]
pub struct Item {
pub name: String,
pub display_name: String,
pub metadata: ItemMetadata,
pub hidden: bool,
pub location_opt: Option<Location>,
pub mime: Mime,
pub icon_handle_grid: widget::icon::Handle,
pub icon_handle_list: widget::icon::Handle,
pub icon_handle_list_condensed: widget::icon::Handle,
pub open_with: Vec<MimeApp>,
pub thumbnail_opt: Option<ItemThumbnail>,
pub button_id: widget::Id,
pub pos_opt: Cell<Option<(usize, usize)>>,
pub rect_opt: Cell<Option<Rectangle>>,
pub selected: bool,
pub overlaps_drag_rect: bool,
}
impl Item {
fn display_name(name: &str) -> String {
// In order to wrap at periods and underscores, add a zero width space after each one
name.replace(".", ".\u{200B}").replace("_", "_\u{200B}")
}
pub fn path_opt(&self) -> Option<&PathBuf> {
self.location_opt.as_ref()?.path_opt()
}
pub fn can_gallery(&self) -> bool {
self.mime.type_() == mime::IMAGE || self.mime.type_() == mime::TEXT
}
fn preview<'a>(&'a self, sizes: IconSizes) -> Element<'a, app::Message> {
// This loads the image only if thumbnailing worked
let icon = widget::icon::icon(self.icon_handle_grid.clone())
.content_fit(ContentFit::Contain)
.size(sizes.grid())
.into();
match self
.thumbnail_opt
.as_ref()
.unwrap_or(&ItemThumbnail::NotImage)
{
ItemThumbnail::NotImage => icon,
ItemThumbnail::Image(handle, _) => {
if let Some(path) = self.path_opt() {
if self.mime.type_() == mime::IMAGE {
return widget::image(widget::image::Handle::from_path(path)).into();
}
}
widget::image(handle.clone()).into()
}
ItemThumbnail::Svg(handle) => widget::svg(handle.clone()).into(),
ItemThumbnail::Text(content) => widget::container(widget::text_editor(content))
.width(Length::Fixed(THUMBNAIL_SIZE as f32))
.height(Length::Fixed(THUMBNAIL_SIZE as f32))
.into(),
}
}
pub fn preview_view<'a>(
&'a self,
sizes: IconSizes,
nav_row: bool,
) -> Element<'a, app::Message> {
let cosmic_theme::Spacing {
space_xxxs,
space_xxs,
space_m,
..
} = theme::active().cosmic().spacing;
let mut column = widget::column().spacing(space_m);
if nav_row {
let mut row = widget::row::with_capacity(3).spacing(space_xxs);
row = row.push(
widget::button::icon(widget::icon::from_name("go-previous-symbolic"))
.on_press(app::Message::TabMessage(None, Message::ItemLeft)),
);
row = row.push(
widget::button::icon(widget::icon::from_name("go-next-symbolic"))
.on_press(app::Message::TabMessage(None, Message::ItemRight)),
);
if self.can_gallery() {
if let Some(_path) = self.path_opt() {
row = row.push(
widget::button::icon(widget::icon::from_name("view-fullscreen-symbolic"))
.on_press(app::Message::TabMessage(None, Message::Gallery(true))),
);
}
}
column = column.push(row);
}
column = column.push(widget::row::with_children(vec![
widget::horizontal_space(Length::Fill).into(),
self.preview(sizes),
widget::horizontal_space(Length::Fill).into(),
]));
let mut details = widget::column().spacing(space_xxxs);
details = details.push(widget::text::heading(self.name.clone()));
details = details.push(widget::text(format!("Type: {}", self.mime)));
let mut settings = Vec::new();
//TODO: translate!
//TODO: correct display of folder size?
match &self.metadata {
ItemMetadata::Path { metadata, children } => {
if metadata.is_dir() {
details = details.push(widget::text(format!("Items: {}", children)));
} else {
details = details.push(widget::text(format!(
"Size: {}",
format_size(metadata.len())
)));
}
if let Ok(time) = metadata.created() {
details = details.push(widget::text(format!("Created: {}", format_time(time))));
}
if let Ok(time) = metadata.modified() {
details =
details.push(widget::text(format!("Modified: {}", format_time(time))));
}
if let Ok(time) = metadata.accessed() {
details =
details.push(widget::text(format!("Accessed: {}", format_time(time))));
}
#[cfg(not(target_os = "windows"))]
{
settings.push(
widget::settings::item::builder(format_permissions_owner(
metadata,
PermissionOwner::Owner,
))
.description(fl!("owner"))
.control(widget::text(format_permissions(
metadata,
PermissionOwner::Owner,
))),
);
settings.push(
widget::settings::item::builder(format_permissions_owner(
metadata,
PermissionOwner::Group,
))
.description(fl!("group"))
.control(widget::text(format_permissions(
metadata,
PermissionOwner::Group,
))),
);
settings.push(widget::settings::item::builder(fl!("other")).control(
widget::text(format_permissions(metadata, PermissionOwner::Other)),
));
}
}
_ => {
//TODO: other metadata types
}
}
match self
.thumbnail_opt
.as_ref()
.unwrap_or(&ItemThumbnail::NotImage)
{
ItemThumbnail::Image(_, Some((width, height))) => {
details = details.push(widget::text(format!("{}x{}", width, height)));
}
_ => {}
}
column = column.push(details);
if let Some(path) = self.path_opt() {
column = column.push(widget::button::standard(fl!("open")).on_press(
app::Message::TabMessage(None, Message::Open(Some(path.to_path_buf()))),
));
}
if !settings.is_empty() {
let mut section = widget::settings::section();
for setting in settings {
section = section.add(setting);
}
column = column.push(section);
}
column.into()
}
pub fn replace_view<'a>(
&'a self,
heading: String,
sizes: IconSizes,
) -> Element<'a, app::Message> {
let cosmic_theme::Spacing { space_xxxs, .. } = theme::active().cosmic().spacing;
let mut row = widget::row().spacing(space_xxxs);
row = row.push(self.preview(sizes));
let mut column = widget::column().spacing(space_xxxs);
column = column.push(widget::text::heading(heading));
//TODO: translate!
//TODO: correct display of folder size?
match &self.metadata {
ItemMetadata::Path { metadata, children } => {
if metadata.is_dir() {
column = column.push(widget::text(format!("Items: {}", children)));
} else {
column = column.push(widget::text(format!(
"Size: {}",
format_size(metadata.len())
)));
}
if let Ok(time) = metadata.modified() {
column = column.push(widget::text(format!(
"Last modified: {}",
format_time(time)
)));
}
}
_ => {
//TODO: other metadata
}
}
row = row.push(column);
row.into()
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Deserialize, Serialize)]
pub enum View {
Grid,
List,
}
#[derive(Clone, Copy, Debug, Hash, PartialEq, PartialOrd, Ord, Eq, Deserialize, Serialize)]
pub enum HeadingOptions {
Name = 0,
Modified,
Size,
TrashedOn,
}
impl fmt::Display for HeadingOptions {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
HeadingOptions::Name => write!(f, "{}", fl!("name")),
HeadingOptions::Modified => write!(f, "{}", fl!("modified")),
HeadingOptions::Size => write!(f, "{}", fl!("size")),
HeadingOptions::TrashedOn => write!(f, "{}", fl!("trashed-on")),
}
}
}
impl HeadingOptions {
pub fn names() -> Vec<String> {
vec![
HeadingOptions::Name.to_string(),
HeadingOptions::Modified.to_string(),
HeadingOptions::Size.to_string(),
HeadingOptions::TrashedOn.to_string(),
]
}
}
#[derive(Clone, Debug)]
pub enum Mode {
App,
Desktop,
Dialog(DialogKind),
}
impl Mode {
/// Whether multiple files can be selected in this mode
pub fn multiple(&self) -> bool {
match self {
Mode::App | Mode::Desktop => true,
Mode::Dialog(dialog) => dialog.multiple(),
}
}
}
struct SearchContext {
results_rx: mpsc::Receiver<(PathBuf, String, Metadata)>,
ready: Arc<atomic::AtomicBool>,
last_modified_opt: Arc<RwLock<Option<SystemTime>>>,
}
pub struct SearchContextWrapper(Option<SearchContext>);
impl Clone for SearchContextWrapper {
fn clone(&self) -> Self {
Self(None)
}
}
impl fmt::Debug for SearchContextWrapper {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("SearchContextWrapper").finish()
}
}
// TODO when creating items, pass <Arc<SelectedItems>> to each item
// as a drag data, so that when dnd is initiated, they are all included
pub struct Tab {
//TODO: make more items private
pub location: Location,
pub location_context_menu_point: Option<Point>,
pub location_context_menu_index: Option<usize>,
pub context_menu: Option<Point>,
pub mode: Mode,
pub scroll_opt: Option<AbsoluteOffset>,
pub size_opt: Cell<Option<Size>>,
pub item_view_size_opt: Cell<Option<Size>>,
pub edit_location: Option<Location>,
pub edit_location_id: widget::Id,
pub history_i: usize,
pub history: Vec<Location>,
pub config: TabConfig,
pub sort_name: HeadingOptions,
pub sort_direction: bool,
pub gallery: bool,
pub(crate) items_opt: Option<Vec<Item>>,
pub dnd_hovered: Option<(Location, Instant)>,
scrollable_id: widget::Id,
select_focus: Option<usize>,
select_range: Option<(usize, usize)>,
cached_selected: RefCell<Option<bool>>,
clicked: Option<usize>,
selected_clicked: bool,
last_right_click: Option<usize>,
search_context: Option<SearchContext>,
}
fn folder_name<P: AsRef<Path>>(path: P) -> (String, bool) {
let path = path.as_ref();
let mut found_home = false;
let name = match path.file_name() {
Some(name) => {
if path == crate::home_dir() {
found_home = true;
fl!("home")
} else {
name.to_string_lossy().to_string()
}
}
None => {
fl!("filesystem")
}
};
(name, found_home)
}
// parse .hidden file and return files path
fn parse_hidden_file(path: &PathBuf) -> Vec<String> {
let file = match File::open(path) {
Ok(f) => f,
Err(_) => return Vec::new(),
};
let reader = BufReader::new(file);
let mut paths: Vec<String> = Vec::new();
for line in reader.lines() {
if let Ok(line) = line {
if !line.is_empty() {
paths.push(line.trim().to_string());
}
}
}
paths
}
impl Tab {
pub fn new(location: Location, config: TabConfig) -> Self {
let history = vec![location.clone()];
Self {
location,
context_menu: None,
location_context_menu_point: None,
location_context_menu_index: None,
mode: Mode::App,
scroll_opt: None,
size_opt: Cell::new(None),
item_view_size_opt: Cell::new(None),
edit_location: None,
edit_location_id: widget::Id::unique(),
history_i: 0,
history,
config,
sort_name: HeadingOptions::Name,
sort_direction: true,
gallery: false,
items_opt: None,
scrollable_id: widget::Id::unique(),
select_focus: None,
select_range: None,
cached_selected: RefCell::new(None),
clicked: None,
dnd_hovered: None,
selected_clicked: false,
last_right_click: None,
search_context: None,
}
}
pub fn title(&self) -> String {
match &self.location {
Location::Desktop(path, _, _) => {
let (name, _) = folder_name(path);
name
}
Location::Path(path) => {
let (name, _) = folder_name(path);
name
}
Location::Search(path, term, ..) => {
//TODO: translate
let (name, _) = folder_name(path);
format!("Search \"{}\": {}", term, name)
}
Location::Trash => {
fl!("trash")
}
Location::Recents => {
fl!("recents")
}
Location::Network(_uri, display_name) => display_name.clone(),
}
}
pub fn items_opt(&self) -> Option<&Vec<Item>> {
self.items_opt.as_ref()
}
pub fn items_opt_mut(&mut self) -> Option<&mut Vec<Item>> {
self.items_opt.as_mut()
}
pub fn set_items(&mut self, mut items: Vec<Item>) {
let selected = self.selected_locations();
for item in items.iter_mut() {
item.selected = false;
if let Some(location) = &item.location_opt {
if selected.contains(location) {
item.selected = true;
}
}
}
self.items_opt = Some(items);
}
pub fn selected_locations(&self) -> Vec<Location> {
let mut locations = Vec::new();
if let Some(ref items) = self.items_opt {
for item in items.iter() {
if item.selected {
if let Some(location) = &item.location_opt {
locations.push(location.clone());
}
}
}
}
locations
}
pub fn select_all(&mut self) {
*self.cached_selected.borrow_mut() = None;
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
if !self.config.show_hidden && item.hidden {
item.selected = false;
continue;
}
item.selected = true;
}
}
}
pub fn select_none(&mut self) -> bool {
*self.cached_selected.borrow_mut() = None;
self.select_focus = None;
let mut had_selection = false;
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
if item.selected {
item.selected = false;
had_selection = true;
}
}
}
had_selection
}
pub fn select_name(&mut self, name: &str) {
*self.cached_selected.borrow_mut() = None;
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
item.selected = item.name == name;
}
}
}
pub fn select_path(&mut self, path: PathBuf) {
let location = Location::Path(path);
*self.cached_selected.borrow_mut() = None;
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
item.selected = item.location_opt.as_ref() == Some(&location);
}
}
}
fn select_position(&mut self, row: usize, col: usize, mod_shift: bool) -> bool {
*self.cached_selected.borrow_mut() = None;
let mut start = (row, col);
let mut end = (row, col);
if mod_shift {
if self.select_focus.is_none() || self.select_range.is_none() {
// Set select range to initial state if necessary
self.select_range = self.select_focus.map(|i| (i, i));
}
if let Some(pos) = self.select_range_start_pos_opt() {
if pos.0 < row || (pos.0 == row && pos.1 < col) {
start = pos;
} else {
end = pos;
}
}
}
let mut found = false;
if let Some(ref mut items) = self.items_opt {
for (i, item) in items.iter_mut().enumerate() {
item.selected = false;
let pos = match item.pos_opt.get() {
Some(some) => some,
None => continue,
};
if pos.0 < start.0 || (pos.0 == start.0 && pos.1 < start.1) {
// Before start
continue;
}
if pos.0 > end.0 || (pos.0 == end.0 && pos.1 > end.1) {
// After end
continue;
}
if pos == (row, col) {
// Update focus if this is what we wanted to select
self.select_focus = Some(i);
self.select_range = if mod_shift {
self.select_range.map(|r| (r.0, i))
} else {
Some((i, i))
};
found = true;
}
item.selected = true;
}
}
found
}
pub fn select_rect(&mut self, rect: Rectangle, mod_ctrl: bool, mod_shift: bool) {
*self.cached_selected.borrow_mut() = None;
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
let was_overlapped = item.overlaps_drag_rect;
item.overlaps_drag_rect = item
.rect_opt
.get()
.map(|r| r.intersects(&rect))
.unwrap_or(false);
item.selected = if mod_ctrl || mod_shift {
if was_overlapped == item.overlaps_drag_rect {
item.selected
} else {
!item.selected
}
} else {
item.overlaps_drag_rect
};
}
}
}
pub fn select_focus_id(&self) -> Option<widget::Id> {
let items = self.items_opt.as_ref()?;
let item = items.get(self.select_focus?)?;
Some(item.button_id.clone())
}
fn select_focus_pos_opt(&self) -> Option<(usize, usize)> {
let items = self.items_opt.as_ref()?;
let item = items.get(self.select_focus?)?;
item.pos_opt.get()
}
fn select_focus_scroll(&mut self) -> Option<AbsoluteOffset> {
let items = self.items_opt.as_ref()?;
let item = items.get(self.select_focus?)?;
let rect = item.rect_opt.get()?;
//TODO: move to function
let visible_rect = {
let point = match self.scroll_opt {
Some(offset) => Point::new(0.0, offset.y),
None => Point::new(0.0, 0.0),
};
let size = self
.item_view_size_opt
.get()
.unwrap_or_else(|| Size::new(0.0, 0.0));
Rectangle::new(point, size)
};
if rect.y < visible_rect.y {
// Scroll up to rect
self.scroll_opt = Some(AbsoluteOffset { x: 0.0, y: rect.y });
self.scroll_opt
} else if (rect.y + rect.height) > (visible_rect.y + visible_rect.height) {
// Scroll down to rect
self.scroll_opt = Some(AbsoluteOffset {
x: 0.0,
y: rect.y + rect.height - visible_rect.height,
});
self.scroll_opt
} else {
// Do not scroll
None
}
}
fn select_range_start_pos_opt(&self) -> Option<(usize, usize)> {
let items = self.items_opt.as_ref()?;
let item = items.get(self.select_range.map(|r| r.0)?)?;
item.pos_opt.get()
}
fn select_first_pos_opt(&self) -> Option<(usize, usize)> {
*self.cached_selected.borrow_mut() = None;
let items = self.items_opt.as_ref()?;
let mut first = None;
for item in items.iter() {
if !item.selected {
continue;
}
let (row, col) = match item.pos_opt.get() {
Some(some) => some,
None => continue,
};
first = Some(match first {
Some((first_row, first_col)) => {
if row < first_row {
(row, col)
} else if row == first_row {
(row, col.min(first_row))
} else {
(first_row, first_col)
}
}
None => (row, col),
});
}
first
}
fn select_last_pos_opt(&self) -> Option<(usize, usize)> {
*self.cached_selected.borrow_mut() = None;
let items = self.items_opt.as_ref()?;
let mut last = None;
for item in items.iter() {
if !item.selected {
continue;
}
let (row, col) = match item.pos_opt.get() {
Some(some) => some,
None => continue,
};
last = Some(match last {
Some((last_row, last_col)) => {
if row > last_row {
(row, col)
} else if row == last_row {
(row, col.max(last_row))
} else {
(last_row, last_col)
}
}
None => (row, col),
});
}
last
}
pub fn change_location(&mut self, location: &Location, history_i_opt: Option<usize>) {
self.location = location.clone();
self.context_menu = None;
self.edit_location = None;
self.items_opt = None;
//TODO: remember scroll by location?
self.scroll_opt = None;
self.select_focus = None;
self.search_context = None;
if let Some(history_i) = history_i_opt {
// Navigating in history
self.history_i = history_i;
} else {
// Truncate history to remove next entries
self.history.truncate(self.history_i + 1);
// Push to the front of history
self.history_i = self.history.len();
self.history.push(location.clone());
}
}
pub fn update(&mut self, message: Message, modifiers: Modifiers) -> Vec<Command> {
let mut commands = Vec::new();
let mut cd = None;
let mut history_i_opt = None;
let mod_ctrl = modifiers.contains(Modifiers::CTRL) && self.mode.multiple();
let mod_shift = modifiers.contains(Modifiers::SHIFT) && self.mode.multiple();
match message {
Message::AddNetworkDrive => {
commands.push(Command::AddNetworkDrive);
}
Message::ClickRelease(click_i_opt) => {
if click_i_opt == self.clicked.take() {
return commands;
}
self.context_menu = None;
self.location_context_menu_index = None;
if let Some(ref mut items) = self.items_opt {
for (i, item) in items.iter_mut().enumerate() {
if mod_ctrl {
if Some(i) == click_i_opt && item.selected {
item.selected = false;
self.select_range = None;
}
} else if Some(i) != click_i_opt {
item.selected = false;
}
}
}
}
Message::DragEnd(_) => {
self.clicked = None;
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
item.overlaps_drag_rect = false;
}
}
}
Message::DoubleClick(click_i_opt) => {
if let Some(clicked_item) = self
.items_opt
.as_ref()
.and_then(|items| click_i_opt.and_then(|click_i| items.get(click_i)))
{
if let Some(location) = &clicked_item.location_opt {
if clicked_item.metadata.is_dir() {
cd = Some(location.clone());
} else {
if let Some(path) = location.path_opt() {
commands.push(Command::OpenFile(path.to_path_buf()));
} else {
log::warn!("no path for item {:?}", clicked_item);
}
}
} else {
log::warn!("no location for item {:?}", clicked_item);
}
} else {
log::warn!("no item for click index {:?}", click_i_opt);
}
}
Message::Click(click_i_opt) => {
self.selected_clicked = false;
self.context_menu = None;
self.location_context_menu_index = None;
if click_i_opt.is_none() {
self.clicked = click_i_opt;
}
if mod_shift {
if let Some(click_i) = click_i_opt {
self.select_range = self
.select_range
.map_or(Some((click_i, click_i)), |r| Some((r.0, click_i)));
if let Some(range) = self.select_range {
let min = range.0.min(range.1);
let max = range.0.max(range.1);
let (sort_name, sort_direction, _) = self.sort_options();
//TODO: this assumes the default sort order!
if sort_name == HeadingOptions::Name && sort_direction {
// A default/unsorted tab's view is consistent with how the
// Items are laid out internally (items_opt), so Items can be
// linearly selected
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut().skip(min).take(max - min + 1) {
item.selected = true;
}
}
} else {
// A sorted tab's items can't be linearly selected
// Let's say we have:
// index | file
// 0 | file0
// 1 | file1
// 2 | file2
// This is both the default sort and internal ordering
// When sorted it may be displayed as:
// 1 | file1
// 0 | file0
// 2 | file2
// However, the internal ordering is still the same thus
// linearly selecting items doesn't work. Shift selecting
// file0 and file2 would select indices 0 to 2 when it should
// select indices 0 AND 2 from items_opt
let indices: Vec<_> = self
.column_sort()
.map(|sorted| sorted.into_iter().map(|(i, _)| i).collect())
.unwrap_or_else(|| {
let len = self
.items_opt
.as_deref()
.map(|items| items.len())
.unwrap_or_default();
(0..len).collect()
});
// Find the true indices for the min and max element w.r.t.
// a sorted tab.
let min = indices
.iter()
.position(|&offset| offset == min)
.unwrap_or_default();
// We can't skip `min_real` elements here because the index of
// `max` may actually be before `min` in a sorted tab
let max = indices
.iter()
.position(|&offset| offset == max)
.unwrap_or_else(|| indices.len());
let min_real = min.min(max);
let max_real = max.max(min);
if let Some(ref mut items) = self.items_opt {
for index in indices
.into_iter()
.skip(min_real)
.take(max_real - min_real + 1)
{
if let Some(item) = items.get_mut(index) {
item.selected = true;
}
}
}
}
}
self.clicked = click_i_opt;
self.select_focus = click_i_opt;
self.selected_clicked = true;
}
} else {
let dont_unset = mod_ctrl
|| self.column_sort().is_some_and(|l| {
l.iter()
.any(|(e_i, e)| Some(e_i) == click_i_opt.as_ref() && e.selected)
});
*self.cached_selected.borrow_mut() = None;
if let Some(ref mut items) = self.items_opt {
for (i, item) in items.iter_mut().enumerate() {
if Some(i) == click_i_opt {
// Filter out selection if it does not match dialog kind
if let Mode::Dialog(dialog) = &self.mode {
let item_is_dir = item.metadata.is_dir();
if item_is_dir != dialog.is_dir() {
// Allow selecting folder if dialog is for files to make it
// possible to double click
//TODO: clear any other selection when selecting a folder
if !item_is_dir {
continue;
}
}
}
if !item.selected {
self.clicked = click_i_opt;
item.selected = true;
self.select_range = Some((i, i));
}
self.select_focus = click_i_opt;
self.selected_clicked = true;
} else if !dont_unset && item.selected {
self.clicked = click_i_opt;
item.selected = false;
}
}
}
}
}
Message::Config(config) => {
// View is preserved for existing tabs
let view = self.config.view;
self.config = config;
self.config.view = view;
}
Message::ContextAction(action) => {
// Close context menu
self.context_menu = None;
commands.push(Command::Action(action));
}
Message::ContextMenu(point_opt) => {
if point_opt.is_none() || !mod_shift {
self.context_menu = point_opt;
//TODO: hack for clearing selecting when right clicking empty space
if self.context_menu.is_some() && self.last_right_click.take().is_none() {
if let Some(ref mut items) = self.items_opt {
for item in items.iter_mut() {
item.selected = false;
}
}
}
}
}
Message::LocationContextMenuPoint(point_opt) => {
self.location_context_menu_point = point_opt;
}
Message::LocationContextMenuIndex(index_opt) => {
self.location_context_menu_index = index_opt;
}
Message::LocationMenuAction(action) => {
self.location_context_menu_index = None;
let path_for_index = |ancestor_index| {
self.location
.path_opt()
.and_then(|path| path.ancestors().nth(ancestor_index))
.map(|path| path.to_path_buf())
};
match action {
LocationMenuAction::OpenInNewTab(ancestor_index) => {
if let Some(path) = path_for_index(ancestor_index) {
commands.push(Command::OpenInNewTab(path));
}
}
LocationMenuAction::OpenInNewWindow(ancestor_index) => {
if let Some(path) = path_for_index(ancestor_index) {
commands.push(Command::OpenInNewWindow(path));
}
}
LocationMenuAction::Preview(ancestor_index) => {
if let Some(path) = path_for_index(ancestor_index) {
//TODO: blocking code, run in command
match item_from_path(&path, IconSizes::default()) {
Ok(item) => {
commands.push(Command::Preview(PreviewKind::Custom(
PreviewItem(item),
)));
}
Err(err) => {
log::warn!("failed to get item from path {:?}: {}", path, err);
}
}
}
}
}
}
Message::Drag(rect_opt) => match rect_opt {
Some(rect) => {
self.context_menu = None;
self.location_context_menu_index = None;
self.select_rect(rect, mod_ctrl, mod_shift);
if self.select_focus.take().is_some() {
// Unfocus currently focused button
commands.push(Command::Iced(widget::button::focus(widget::Id::unique())));
}
}
None => {}
},
Message::EditLocation(edit_location) => {
if self.edit_location.is_none() && edit_location.is_some() {
commands.push(Command::Iced(widget::text_input::focus(
self.edit_location_id.clone(),
)));
}
self.edit_location = edit_location;
}
Message::EditLocationToggle => {
if self.edit_location.is_none() {
self.edit_location = Some(self.location.clone());
} else {
self.edit_location = None;
}
}
Message::OpenInNewTab(path) => {
commands.push(Command::OpenInNewTab(path));
}
Message::EmptyTrash => {
commands.push(Command::EmptyTrash);
}
Message::Gallery(gallery) => {
self.gallery = gallery;
}
Message::GalleryPrevious | Message::GalleryNext => {
let mut pos_opt = None;
if let Some(mut indices) = self.column_sort() {
if matches!(message, Message::GalleryPrevious) {
indices.reverse();
}
let mut found = false;
for (index, item) in indices {
if self.select_focus == None {
found = true;
}
if self.select_focus == Some(index) {
found = true;
continue;
}
if found {
if item.can_gallery() {
pos_opt = item.pos_opt.get();
if pos_opt.is_some() {
break;
}
}
}
}
}
if let Some((row, col)) = pos_opt {
// Should mod_shift be available?
self.select_position(row, col, mod_shift);
}
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
if let Some(id) = self.select_focus_id() {
commands.push(Command::Iced(widget::button::focus(id)));
}
}
Message::GalleryToggle => {
if let Some(indices) = self.column_sort() {
for (_, item) in indices.iter() {
if item.selected && item.can_gallery() {
self.gallery = !self.gallery;
break;
}
}
}
}
Message::GoNext => {
if let Some(history_i) = self.history_i.checked_add(1) {
if let Some(location) = self.history.get(history_i) {
cd = Some(location.clone());
history_i_opt = Some(history_i);
}
}
}
Message::GoPrevious => {
if let Some(history_i) = self.history_i.checked_sub(1) {
if let Some(location) = self.history.get(history_i) {
cd = Some(location.clone());
history_i_opt = Some(history_i);
}
}
}
Message::ItemDown => {
if let Some((row, col)) = self.select_focus_pos_opt().or(self.select_last_pos_opt())
{
if self.select_focus.is_none() {
// Select last item in current selection to focus it.
self.select_position(row, col, mod_shift);
}
//TODO: Shift modifier should select items in between
// Try to select item in next row
if !self.select_position(row + 1, col, mod_shift) {
// Ensure current item is still selected if there are no other items
self.select_position(row, col, mod_shift);
}
} else {
// Select first item
//TODO: select first in scroll
self.select_position(0, 0, mod_shift);
}
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
if let Some(id) = self.select_focus_id() {
commands.push(Command::Iced(widget::button::focus(id)));
}
}
Message::ItemLeft => {
if let Some((row, col)) =
self.select_focus_pos_opt().or(self.select_first_pos_opt())
{
if self.select_focus.is_none() {
// Select first item in current selection to focus it.
self.select_position(row, col, mod_shift);
}
// Try to select previous item in current row
if !col
.checked_sub(1)
.map_or(false, |col| self.select_position(row, col, mod_shift))
{
// Try to select last item in previous row
if !row.checked_sub(1).map_or(false, |row| {
let mut col = 0;
if let Some(ref items) = self.items_opt {
for item in items.iter() {
match item.pos_opt.get() {
Some((item_row, item_col)) if item_row == row => {
col = col.max(item_col);
}
_ => continue,
}
}
}
self.select_position(row, col, mod_shift)
}) {
// Ensure current item is still selected if there are no other items
self.select_position(row, col, mod_shift);
}
}
} else {
// Select first item
//TODO: select first in scroll
self.select_position(0, 0, mod_shift);
}
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
if let Some(id) = self.select_focus_id() {
commands.push(Command::Iced(widget::button::focus(id)));
}
}
Message::ItemRight => {
if let Some((row, col)) = self.select_focus_pos_opt().or(self.select_last_pos_opt())
{
if self.select_focus.is_none() {
// Select last item in current selection to focus it.
self.select_position(row, col, mod_shift);
}
// Try to select next item in current row
if !self.select_position(row, col + 1, mod_shift) {
// Try to select first item in next row
if !self.select_position(row + 1, 0, mod_shift) {
// Ensure current item is still selected if there are no other items
self.select_position(row, col, mod_shift);
}
}
} else {
// Select first item
//TODO: select first in scroll
self.select_position(0, 0, mod_shift);
}
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
if let Some(id) = self.select_focus_id() {
commands.push(Command::Iced(widget::button::focus(id)));
}
}
Message::ItemUp => {
if let Some((row, col)) =
self.select_focus_pos_opt().or(self.select_first_pos_opt())
{
if self.select_focus.is_none() {
// Select first item in current selection to focus it.
self.select_position(row, col, mod_shift);
}
//TODO: Shift modifier should select items in between
// Try to select item in last row
if !row
.checked_sub(1)
.map_or(false, |row| self.select_position(row, col, mod_shift))
{
// Ensure current item is still selected if there are no other items
self.select_position(row, col, mod_shift);
}
} else {
// Select first item
//TODO: select first in scroll
self.select_position(0, 0, mod_shift);
}
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
if let Some(id) = self.select_focus_id() {
commands.push(Command::Iced(widget::button::focus(id)));
}
}
Message::Location(location) => {
// Workaround to support favorited files
match &location {
Location::Path(path) => {
if path.is_dir() {
cd = Some(location);
} else {
commands.push(Command::OpenFile(path.clone()));
}
}
_ => {
cd = Some(location);
}
}
}
Message::LocationUp => {
// Sets location to the path's parent
// Does nothing if path is root or location is Trash
if let Location::Path(ref path) = self.location {
if let Some(parent) = path.parent() {
cd = Some(Location::Path(parent.to_owned()));
}
}
}
Message::Open(path_opt) => {
match path_opt {
Some(path) => {
if path.is_dir() {
cd = Some(Location::Path(path));
} else {
commands.push(Command::OpenFile(path));
}
}
None => {
if let Some(ref mut items) = self.items_opt {
for item in items.iter() {
if item.selected {
if let Some(location) = &item.location_opt {
if item.metadata.is_dir() {
//TODO: allow opening multiple tabs?
cd = Some(location.clone());
} else {
if let Some(path) = location.path_opt() {
commands
.push(Command::OpenFile(path.to_path_buf()));
}
}
} else {
//TODO: open properties?
}
}
}
}
}
}
}
Message::RightClick(click_i_opt) => {
self.update(Message::Click(click_i_opt), modifiers);
*self.cached_selected.borrow_mut() = None;
if let Some(ref mut items) = self.items_opt {
if !click_i_opt.map_or(false, |click_i| {
items.get(click_i).map_or(false, |x| x.selected)
}) {
// If item not selected, clear selection on other items
for (i, item) in items.iter_mut().enumerate() {
item.selected = Some(i) == click_i_opt;
}
}
}
//TODO: hack for clearing selecting when right clicking empty space
self.last_right_click = click_i_opt;
}
Message::MiddleClick(click_i) => {
self.update(Message::Click(Some(click_i)), modifiers);
if !mod_ctrl && !mod_shift {
if let Some(ref mut items) = self.items_opt {
for (i, item) in items.iter_mut().enumerate() {
item.selected = i == click_i;
}
self.select_range = Some((click_i, click_i));
}
if let Some(clicked_item) =
self.items_opt.as_ref().and_then(|items| items.get(click_i))
{
if let Some(path) = clicked_item.path_opt() {
if clicked_item.metadata.is_dir() {
//cd = Some(Location::Path(path.clone()));
commands.push(Command::OpenInNewTab(path.clone()))
} else {
commands.push(Command::OpenFile(path.clone()));
}
} else {
log::warn!("no path for item {:?}", clicked_item);
}
} else {
log::warn!("no item for click index {:?}", click_i);
}
}
}
Message::Scroll(viewport) => {
self.scroll_opt = Some(viewport.absolute_offset());
}
Message::ScrollToFocus => {
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
}
Message::SearchContext(location, context) => {
if location == self.location {
self.search_context = context.0;
} else {
log::warn!(
"search context provided for {:?} instead of {:?}",
location,
self.location
);
}
}
Message::SearchReady(finished) => {
if let Some(context) = &mut self.search_context {
if let Some(items) = &mut self.items_opt {
if finished || context.ready.swap(false, atomic::Ordering::SeqCst) {
let duration = Instant::now();
while let Some((path, name, metadata)) =
context.results_rx.blocking_recv()
{
//TODO: combine this with column_sort logic, they must match!
let item_modified = metadata.modified().ok();
let index = match items.binary_search_by(|other| {
item_modified.cmp(&other.metadata.modified())
}) {
Ok(index) => index,
Err(index) => index,
};
if index < MAX_SEARCH_RESULTS {
//TODO: use correct IconSizes
items.insert(
index,
item_from_entry(path, name, metadata, IconSizes::default()),
);
}
// Ensure that updates make it to the GUI in a timely manner
if !finished && duration.elapsed() >= MAX_SEARCH_LATENCY {
break;
}
}
}
if items.len() >= MAX_SEARCH_RESULTS {
items.truncate(MAX_SEARCH_RESULTS);
if let Some(last_modified) =
items.last().and_then(|item| item.metadata.modified())
{
*context.last_modified_opt.write().unwrap() = Some(last_modified);
}
}
} else {
log::warn!("search ready but items array is empty");
}
}
if finished {
self.search_context = None;
}
}
Message::SelectAll => {
self.select_all();
if self.select_focus.take().is_some() {
// Unfocus currently focused button
commands.push(Command::Iced(widget::button::focus(widget::Id::unique())));
}
}
Message::SetSort(heading_option, dir) => {
if !matches!(self.location, Location::Search(..)) {
self.sort_name = heading_option;
self.sort_direction = dir;
}
}
Message::Thumbnail(path, thumbnail) => {
if let Some(ref mut items) = self.items_opt {
let location = Location::Path(path);
for item in items.iter_mut() {
if item.location_opt.as_ref() == Some(&location) {
let handle_opt = match &thumbnail {
ItemThumbnail::NotImage => None,
ItemThumbnail::Image(handle, _) => Some(widget::icon::Handle {
symbolic: false,
data: widget::icon::Data::Image(handle.clone()),
}),
ItemThumbnail::Svg(handle) => Some(widget::icon::Handle {
symbolic: false,
data: widget::icon::Data::Svg(handle.clone()),
}),
//TODO: text thumbnails?
ItemThumbnail::Text(_text) => None,
};
if let Some(handle) = handle_opt {
item.icon_handle_grid = handle.clone();
item.icon_handle_list = handle.clone();
item.icon_handle_list_condensed = handle;
}
item.thumbnail_opt = Some(thumbnail);
break;
}
}
}
}
Message::ToggleShowHidden => {
self.config.show_hidden = !self.config.show_hidden;
if let Location::Search(path, term, ..) = &self.location {
cd = Some(Location::Search(
path.clone(),
term.clone(),
self.config.show_hidden,
Instant::now(),
));
}
}
Message::View(view) => {
self.config.view = view;
}
Message::ToggleSort(heading_option) => {
if !matches!(self.location, Location::Search(..)) {
let heading_sort = if self.sort_name == heading_option {
!self.sort_direction
} else {
// Default modified to descending, and others to ascending.
heading_option != HeadingOptions::Modified
};
self.sort_direction = heading_sort;
self.sort_name = heading_option;
}
}
Message::Drop(Some((to, mut from))) => {
self.dnd_hovered = None;
match to {
Location::Path(to) => {
if let Ok(entries) = fs::read_dir(&to) {
for i in entries.into_iter().filter_map(|e| e.ok()) {
let i = i.path();
from.paths.retain(|p| &i != p);
if from.paths.is_empty() {
log::info!("All dropped files already in target directory.");
return commands;
}
}
}
commands.push(Command::DropFiles(to, from))
}
Location::Trash if matches!(from.kind, ClipboardKind::Cut) => {
commands.push(Command::MoveToTrash(from.paths))
}
_ => {
log::warn!("{:?} to {:?} is not supported.", from.kind, to);
}
};
}
Message::Drop(None) => {
self.dnd_hovered = None;
}
Message::DndHover(loc) => {
if self
.dnd_hovered
.as_ref()
.is_some_and(|(l, i)| *l == loc && i.elapsed() > HOVER_DURATION)
{
cd = Some(loc);
}
}
Message::DndEnter(loc) => {
self.dnd_hovered = Some((loc.clone(), Instant::now()));
if loc != self.location {
commands.push(Command::Iced(cosmic::Command::perform(
async move {
tokio::time::sleep(HOVER_DURATION).await;
Message::DndHover(loc)
},
|x| x,
)));
}
}
Message::DndLeave(loc) => {
if Some(&loc) == self.dnd_hovered.as_ref().map(|(l, _)| l) {
self.dnd_hovered = None;
}
}
Message::WindowDrag => {
commands.push(Command::WindowDrag);
}
Message::WindowToggleMaximize => {
commands.push(Command::WindowToggleMaximize);
}
Message::ZoomIn => {
commands.push(Command::Action(Action::ZoomIn));
}
Message::ZoomOut => {
commands.push(Command::Action(Action::ZoomOut));
}
}
// Scroll to top if needed
if self.scroll_opt.is_none() {
let offset = AbsoluteOffset { x: 0.0, y: 0.0 };
self.scroll_opt = Some(offset);
commands.push(Command::Iced(scrollable::scroll_to(
self.scrollable_id.clone(),
offset,
)));
}
// Change directory if requested
if let Some(location) = cd {
if matches!(self.mode, Mode::Desktop) {
match location {
Location::Path(path) => {
commands.push(Command::OpenFile(path));
}
Location::Trash => {
commands.push(Command::OpenTrash);
}
_ => {}
}
} else if location != self.location {
if location.path_opt().map_or(true, |path| path.is_dir()) {
let prev_path = if let Some(path) = self.location.path_opt() {
Some(path.to_path_buf())
} else {
None
};
self.change_location(&location, history_i_opt);
commands.push(Command::ChangeLocation(self.title(), location, prev_path));
} else {
log::warn!("tried to cd to {:?} which is not a directory", location);
}
}
}
commands
}
pub(crate) fn sort_options(&self) -> (HeadingOptions, bool, bool) {
match self.location {
Location::Search(..) => (HeadingOptions::Modified, false, false),
_ => (
self.sort_name,
self.sort_direction,
self.config.folders_first,
),
}
}
fn column_sort(&self) -> Option<Vec<(usize, &Item)>> {
let check_reverse = |ord: Ordering, sort: bool| {
if sort {
ord
} else {
ord.reverse()
}
};
let mut items: Vec<_> = self.items_opt.as_ref()?.iter().enumerate().collect();
let (sort_name, sort_direction, folders_first) = self.sort_options();
match sort_name {
HeadingOptions::Size => {
items.sort_by(|a, b| {
// entries take precedence over size
let get_size = |x: &Item| match &x.metadata {
ItemMetadata::Path { metadata, children } => {
if metadata.is_dir() {
(true, *children as u64)
} else {
(false, metadata.len())
}
}
ItemMetadata::Trash { metadata, .. } => match metadata.size {
trash::TrashItemSize::Entries(entries) => (true, entries as u64),
trash::TrashItemSize::Bytes(bytes) => (false, bytes),
},
ItemMetadata::SimpleDir { entries } => (true, *entries),
ItemMetadata::SimpleFile { size } => (false, *size),
};
let (a_is_entry, a_size) = get_size(a.1);
let (b_is_entry, b_size) = get_size(b.1);
//TODO: use folders_first?
match (a_is_entry, b_is_entry) {
(true, false) => Ordering::Less,
(false, true) => Ordering::Greater,
_ => check_reverse(a_size.cmp(&b_size), sort_direction),
}
})
}
HeadingOptions::Name => items.sort_by(|a, b| {
if folders_first {
match (a.1.metadata.is_dir(), b.1.metadata.is_dir()) {
(true, false) => Ordering::Less,
(false, true) => Ordering::Greater,
_ => check_reverse(
LANGUAGE_SORTER.compare(&a.1.display_name, &b.1.display_name),
sort_direction,
),
}
} else {
check_reverse(
LANGUAGE_SORTER.compare(&a.1.display_name, &b.1.display_name),
sort_direction,
)
}
}),
HeadingOptions::Modified => {
items.sort_by(|a, b| {
let a_modified = a.1.metadata.modified();
let b_modified = b.1.metadata.modified();
if folders_first {
match (a.1.metadata.is_dir(), b.1.metadata.is_dir()) {
(true, false) => Ordering::Less,
(false, true) => Ordering::Greater,
_ => check_reverse(a_modified.cmp(&b_modified), sort_direction),
}
} else {
check_reverse(a_modified.cmp(&b_modified), sort_direction)
}
});
}
HeadingOptions::TrashedOn => {
let time_deleted = |x: &Item| match &x.metadata {
ItemMetadata::Trash { entry, .. } => Some(entry.time_deleted),
_ => None,
};
items.sort_by(|a, b| {
let a_time_deleted = time_deleted(a.1);
let b_time_deleted = time_deleted(b.1);
if folders_first {
match (a.1.metadata.is_dir(), b.1.metadata.is_dir()) {
(true, false) => Ordering::Less,
(false, true) => Ordering::Greater,
_ => check_reverse(a_time_deleted.cmp(&b_time_deleted), sort_direction),
}
} else {
check_reverse(b_time_deleted.cmp(&a_time_deleted), sort_direction)
}
});
}
}
Some(items)
}
fn dnd_dest<'a>(
&self,
location: &Location,
element: impl Into<Element<'a, Message>>,
) -> Element<'a, Message> {
let location1 = location.clone();
let location2 = location.clone();
let location3 = location.clone();
let is_dnd_hovered = self.dnd_hovered.as_ref().map(|(l, _)| l) == Some(&location);
widget::container(
DndDestination::for_data::<ClipboardPaste>(element, move |data, action| {
if let Some(mut data) = data {
if action == DndAction::Copy {
Message::Drop(Some((location1.clone(), data)))
} else if action == DndAction::Move {
data.kind = ClipboardKind::Cut;
Message::Drop(Some((location1.clone(), data)))
} else {
log::warn!("unsupported action: {:?}", action);
Message::Drop(None)
}
} else {
Message::Drop(None)
}
})
.on_enter(move |_, _, _| Message::DndEnter(location2.clone()))
.on_leave(move || Message::DndLeave(location3.clone())),
)
.style(if is_dnd_hovered {
theme::Container::custom(|t| {
let mut a = cosmic::iced_style::container::StyleSheet::appearance(
t,
&theme::Container::default(),
);
let t = t.cosmic();
// todo use theme drop target color
let mut bg = t.accent_color();
bg.alpha = 0.2;
a.background = Some(Color::from(bg).into());
a.border = Border {
color: t.accent_color().into(),
width: 1.0,
radius: t.radius_s().into(),
};
a
})
} else {
theme::Container::default()
})
.into()
}
pub fn gallery_view(&self) -> Element<Message> {
let cosmic_theme::Spacing {
space_xxs,
space_xs,
space_m,
..
} = theme::active().cosmic().spacing;
//TODO: display error messages when image not found?
let mut name_opt = None;
let mut element_opt: Option<Element<Message>> = None;
if let Some(index) = self.select_focus {
if let Some(items) = &self.items_opt {
if let Some(item) = items.get(index) {
name_opt = Some(widget::text::heading(&item.display_name));
match item
.thumbnail_opt
.as_ref()
.unwrap_or(&ItemThumbnail::NotImage)
{
ItemThumbnail::NotImage => {}
ItemThumbnail::Image(handle, _) => {
if let Some(path) = item.path_opt() {
element_opt = Some(
//TODO: use widget::image::viewer, when its zoom can be reset
widget::image(widget::image::Handle::from_path(path))
.width(Length::Fill)
.height(Length::Fill)
.into(),
);
} else {
element_opt = Some(
//TODO: use widget::image::viewer, when its zoom can be reset
widget::image(handle.clone())
.width(Length::Fill)
.height(Length::Fill)
.into(),
);
}
}
ItemThumbnail::Svg(handle) => {
element_opt = Some(
widget::svg(handle.clone())
.width(Length::Fill)
.height(Length::Fill)
.into(),
);
}
ItemThumbnail::Text(text) => {
element_opt = Some(widget::text_editor(text).into())
}
}
}
}
}
let mut column = widget::column::with_capacity(2);
column = column.push(widget::vertical_space(Length::Fixed(space_m.into())));
{
let mut row = widget::row::with_capacity(5).align_items(Alignment::Center);
row = row.push(widget::horizontal_space(Length::Fill));
if let Some(name) = name_opt {
row = row.push(name);
}
row = row.push(widget::horizontal_space(Length::Fill));
row = row.push(
widget::button::icon(widget::icon::from_name("window-close-symbolic"))
.style(theme::Button::Standard)
.on_press(Message::Gallery(false)),
);
row = row.push(widget::horizontal_space(Length::Fixed(space_m.into())));
// This mouse area provides window drag while the header bar is hidden
let mouse_area = mouse_area::MouseArea::new(row)
.on_drag(|_| Message::WindowDrag)
.on_double_click(|_| Message::WindowToggleMaximize);
column = column.push(mouse_area);
}
{
let mut row = widget::row::with_capacity(7).align_items(Alignment::Center);
row = row.push(widget::horizontal_space(Length::Fixed(space_m.into())));
row = row.push(
widget::button::icon(widget::icon::from_name("go-previous-symbolic"))
.padding(space_xs)
.style(theme::Button::Standard)
.on_press(Message::GalleryPrevious),
);
row = row.push(widget::horizontal_space(Length::Fixed(space_xxs.into())));
if let Some(element) = element_opt {
row = row.push(element);
} else {
//TODO: what to do when no image?
row = row.push(widget::Space::new(Length::Fill, Length::Fill));
}
row = row.push(widget::horizontal_space(Length::Fixed(space_xxs.into())));
row = row.push(
widget::button::icon(widget::icon::from_name("go-next-symbolic"))
.padding(space_xs)
.style(theme::Button::Standard)
.on_press(Message::GalleryNext),
);
row = row.push(widget::horizontal_space(Length::Fixed(space_m.into())));
column = column.push(row);
}
widget::container(column)
.width(Length::Fill)
.height(Length::Fill)
.style(theme::Container::Custom(Box::new(|theme| {
let cosmic = theme.cosmic();
let mut bg = cosmic.bg_color();
bg.alpha = 0.75;
widget::container::Appearance {
background: Some(Color::from(bg).into()),
..Default::default()
}
})))
.into()
}
pub fn location_view(&self) -> Element<Message> {
//TODO: responsiveness is done in a hacky way, potentially move this to a custom widget?
fn text_width<'a>(
content: &'a str,
font: font::Font,
font_size: f32,
line_height: f32,
) -> f32 {
let text: text::Text<'a, font::Font> = text::Text {
content,
bounds: Size::INFINITY,
size: font_size.into(),
line_height: text::LineHeight::Absolute(line_height.into()),
font,
horizontal_alignment: Horizontal::Left,
vertical_alignment: Vertical::Top,
shaping: text::Shaping::default(),
wrap: text::Wrap::None,
};
graphics::text::Paragraph::with_text(text)
.min_bounds()
.width
}
fn text_width_body<'a>(content: &'a str) -> f32 {
//TODO: should libcosmic set the font when using widget::text::body?
text_width(content, font::default(), 14.0, 20.0)
}
fn text_width_heading<'a>(content: &'a str) -> f32 {
text_width(content, font::semibold(), 14.0, 20.0)
}
let cosmic_theme::Spacing {
space_xxxs,
space_xxs,
space_s,
space_m,
..
} = theme::active().cosmic().spacing;
let size = self.size_opt.get().unwrap_or(Size::new(0.0, 0.0));
let mut row = widget::row::with_capacity(5)
.align_items(Alignment::Center)
.padding([space_xxxs, 0]);
let mut w = 0.0;
let mut prev_button =
widget::button::custom(widget::icon::from_name("go-previous-symbolic").size(16))
.padding(space_xxs)
.style(theme::Button::Icon);
if self.history_i > 0 && !self.history.is_empty() {
prev_button = prev_button.on_press(Message::GoPrevious);
}
row = row.push(prev_button);
w += 16.0 + 2.0 * space_xxs as f32;
let mut next_button =
widget::button::custom(widget::icon::from_name("go-next-symbolic").size(16))
.padding(space_xxs)
.style(theme::Button::Icon);
if self.history_i + 1 < self.history.len() {
next_button = next_button.on_press(Message::GoNext);
}
row = row.push(next_button);
w += 16.0 + 2.0 * space_xxs as f32;
row = row.push(widget::horizontal_space(Length::Fixed(space_s.into())));
w += space_s as f32;
//TODO: allow resizing?
let name_width = 300.0;
let modified_width = 200.0;
let size_width = 100.0;
let condensed = size.width < (name_width + modified_width + size_width);
let (sort_name, sort_direction, _) = self.sort_options();
let heading_item = |name, width, msg| {
let mut row = widget::row::with_capacity(2)
.align_items(Alignment::Center)
.spacing(space_xxs)
.width(width);
row = row.push(widget::text::heading(name));
match (sort_name == msg, sort_direction) {
(true, true) => {
row = row.push(widget::icon::from_name("pan-down-symbolic").size(16));
}
(true, false) => {
row = row.push(widget::icon::from_name("pan-up-symbolic").size(16));
}
_ => {}
}
//TODO: make it possible to resize with the mouse
return mouse_area::MouseArea::new(row)
.on_press(move |_point_opt| Message::ToggleSort(msg))
.into();
};
let heading_row = widget::row::with_children(vec![
heading_item(fl!("name"), Length::Fill, HeadingOptions::Name),
if self.location == Location::Trash {
heading_item(
fl!("trashed-on"),
Length::Fixed(modified_width),
HeadingOptions::TrashedOn,
)
} else {
heading_item(
fl!("modified"),
Length::Fixed(modified_width),
HeadingOptions::Modified,
)
},
heading_item(fl!("size"), Length::Fixed(size_width), HeadingOptions::Size),
])
.align_items(Alignment::Center)
.height(Length::Fixed((space_m + 4).into()))
.padding([0, space_xxs])
.spacing(space_xxs);
if let Some(location) = &self.edit_location {
//TODO: allow editing other locations
if let Some(path) = location.path_opt() {
row = row.push(
widget::button::custom(
widget::icon::from_name("window-close-symbolic").size(16),
)
.on_press(Message::EditLocation(None))
.padding(space_xxs)
.style(theme::Button::Icon),
);
row = row.push(
widget::text_input("", path.to_string_lossy())
.id(self.edit_location_id.clone())
.on_input(|input| {
Message::EditLocation(Some(location.with_path(PathBuf::from(input))))
})
.on_submit(Message::Location(location.clone()))
.line_height(1.0),
);
let mut column = widget::column::with_capacity(4).padding([0, space_s]);
column = column.push(row);
column = column.push(horizontal_rule(1).style(theme::Rule::Custom(Box::new(
|theme: &Theme| rule::Appearance {
color: theme.cosmic().accent_color().into(),
width: 1,
radius: 0.0.into(),
fill_mode: rule::FillMode::Full,
},
))));
if self.config.view == View::List && !condensed {
column = column.push(heading_row);
column = column.push(widget::divider::horizontal::default());
}
return column.into();
}
} else if let Some(path) = self.location.path_opt() {
row = row.push(
crate::mouse_area::MouseArea::new(
widget::button::custom(widget::icon::from_name("edit-symbolic").size(16))
.padding(space_xxs)
.style(theme::Button::Icon)
.on_press(Message::EditLocation(Some(self.location.clone()))),
)
.on_middle_press(move |_| Message::OpenInNewTab(path.clone())),
);
w += 16.0 + 2.0 * space_xxs as f32;
}
let mut children: Vec<Element<_>> = Vec::new();
match &self.location {
Location::Desktop(path, ..) | Location::Path(path) | Location::Search(path, ..) => {
let excess_str = "...";
let excess_width = text_width_body(excess_str);
for (index, ancestor) in path.ancestors().enumerate() {
let (name, found_home) = folder_name(&ancestor);
let (name_width, name_text) = if children.is_empty() {
(
text_width_heading(&name),
widget::text::heading(name).wrap(text::Wrap::None),
)
} else {
children.push(
widget::icon::from_name("go-next-symbolic")
.size(16)
.icon()
.into(),
);
w += 16.0;
(
text_width_body(&name),
widget::text::body(name).wrap(text::Wrap::None),
)
};
// Add padding for mouse area
w += 2.0 * space_xxxs as f32;
let mut row = widget::row::with_capacity(2)
.align_items(Alignment::Center)
.spacing(space_xxxs);
//TODO: figure out why this hardcoded offset is needed after the first item is ellipsed
let overflow_offset = 32.0;
let overflow = w + name_width + overflow_offset > size.width && index > 0;
if overflow {
row = row.push(widget::text::body(excess_str));
w += excess_width;
} else {
row = row.push(name_text);
w += name_width;
}
let location = self.location.with_path(ancestor.to_path_buf());
let mut mouse_area = crate::mouse_area::MouseArea::new(
widget::button::custom(row)
.padding(space_xxxs)
.style(theme::Button::Link)
.on_press(Message::Location(location.clone())),
);
if self.location_context_menu_index.is_some() {
mouse_area = mouse_area.on_right_press(move |_point_opt| {
Message::LocationContextMenuIndex(None)
})
} else {
mouse_area = mouse_area.on_right_press_no_capture(move |_point_opt| {
Message::LocationContextMenuIndex(Some(index))
})
}
let mouse_area = if let Location::Path(_) = &self.location {
mouse_area
.on_middle_press(move |_| Message::OpenInNewTab(ancestor.to_path_buf()))
} else {
mouse_area
};
children.push(self.dnd_dest(&location, mouse_area));
if found_home || overflow {
break;
}
}
children.reverse();
}
Location::Trash => {
children.push(
widget::button::custom(widget::text::heading(fl!("trash")))
.padding(space_xxxs)
.on_press(Message::Location(Location::Trash))
.style(theme::Button::Text)
.into(),
);
}
Location::Recents => {
children.push(
widget::button::custom(widget::text::heading(fl!("recents")))
.padding(space_xxxs)
.on_press(Message::Location(Location::Recents))
.style(theme::Button::Text)
.into(),
);
}
Location::Network(uri, display_name) => {
children.push(
widget::button::custom(widget::text::heading(display_name))
.padding(space_xxxs)
.on_press(Message::Location(Location::Network(
uri.clone(),
display_name.clone(),
)))
.style(theme::Button::Text)
.into(),
);
}
}
for child in children {
row = row.push(child);
}
let mut column = widget::column::with_capacity(4).padding([0, space_s]);
column = column.push(row);
column = column.push(horizontal_rule(1).style(theme::Rule::Custom(Box::new(
|theme: &Theme| rule::Appearance {
color: theme.cosmic().accent_color().into(),
width: 1,
radius: 0.0.into(),
fill_mode: rule::FillMode::Full,
},
))));
if self.config.view == View::List && !condensed {
column = column.push(heading_row);
column = column.push(widget::divider::horizontal::default());
}
let mouse_area = crate::mouse_area::MouseArea::new(column)
.on_right_press(Message::LocationContextMenuPoint);
let mut popover = widget::popover(mouse_area);
if let (Some(point), Some(index)) = (
self.location_context_menu_point,
self.location_context_menu_index,
) {
popover = popover
.popup(menu::location_context_menu(index))
.position(widget::popover::Position::Point(point))
}
popover.into()
}
pub fn empty_view(&self, has_hidden: bool) -> Element<Message> {
let cosmic_theme::Spacing { space_xxs, .. } = theme::active().cosmic().spacing;
//TODO: left clicking on an empty folder does not clear context menu
widget::column::with_children(vec![widget::container(
widget::column::with_children(match self.mode {
Mode::App | Mode::Dialog(_) => vec![
widget::icon::from_name("folder-symbolic")
.size(64)
.icon()
.into(),
widget::text(if has_hidden {
fl!("empty-folder-hidden")
} else if matches!(self.location, Location::Search(..)) {
fl!("no-results")
} else {
fl!("empty-folder")
})
.into(),
],
Mode::Desktop => Vec::new(),
})
.align_items(Alignment::Center)
.spacing(space_xxs),
)
.align_x(Horizontal::Center)
.align_y(Vertical::Center)
.width(Length::Fill)
.height(Length::Fill)
.into()])
.into()
}
pub fn grid_view(
&self,
) -> (
Option<Element<'static, cosmic::app::Message<crate::app::Message>>>,
Element<Message>,
bool,
) {
let cosmic_theme::Spacing {
space_m,
space_xxs,
space_xxxs,
..
} = theme::active().cosmic().spacing;
let TabConfig {
show_hidden,
icon_sizes,
..
} = self.config;
let text_height = 3 * 20; // 3 lines of text
let item_width = (3 * space_xxs + icon_sizes.grid() + 3 * space_xxs) as usize;
let item_height =
(space_xxxs + icon_sizes.grid() + space_xxxs + text_height + space_xxxs) as usize;
let (width, height) = match self.size_opt.get() {
Some(size) => (
(size.width.floor() as usize)
.checked_sub(2 * (space_m as usize))
.unwrap_or(0)
.max(item_width),
(size.height.floor() as usize).max(item_height),
),
None => (item_width, item_height),
};
let (cols, column_spacing) = {
let width_m1 = width.checked_sub(item_width).unwrap_or(0);
let cols_m1 = width_m1 / (item_width + space_xxs as usize);
let cols = cols_m1 + 1;
let spacing = width_m1
.checked_div(cols_m1)
.unwrap_or(0)
.checked_sub(item_width)
.unwrap_or(0);
(cols, spacing as u16)
};
let rows = {
let height_m1 = height.checked_sub(item_height).unwrap_or(0);
let rows_m1 = height_m1 / (item_height + space_xxs as usize);
rows_m1 + 1
};
let mut grid = widget::grid()
.column_spacing(column_spacing)
.row_spacing(space_xxs)
.padding(space_xxs.into());
let mut dnd_items: Vec<(usize, (usize, usize), &Item)> = Vec::new();
let mut drag_w_i = usize::MAX;
let mut drag_n_i = usize::MAX;
let mut drag_e_i = 0;
let mut drag_s_i = 0;
let mut children = Vec::new();
if let Some(items) = self.column_sort() {
let mut count = 0;
let mut col = 0;
let mut row = 0;
let mut page_row = 0;
let mut hidden = 0;
let mut grid_elements = Vec::new();
for &(i, item) in items.iter() {
if !show_hidden && item.hidden {
item.pos_opt.set(None);
item.rect_opt.set(None);
hidden += 1;
continue;
}
item.pos_opt.set(Some((row, col)));
item.rect_opt.set(Some(Rectangle::new(
Point::new(
(col * (item_width + column_spacing as usize) + space_m as usize) as f32,
(row * (item_height + space_xxs as usize)) as f32,
),
Size::new(item_width as f32, item_height as f32),
)));
//TODO: one focus group per grid item (needs custom widget)
let buttons = vec![
widget::button::custom(
widget::icon::icon(item.icon_handle_grid.clone())
.content_fit(ContentFit::Contain)
.size(icon_sizes.grid()),
)
.padding(space_xxxs)
.style(button_style(item.selected, false, false, false)),
widget::button::custom(widget::text::body(&item.display_name))
.id(item.button_id.clone())
.padding([0, space_xxxs])
.style(button_style(
item.selected,
true,
true,
matches!(self.mode, Mode::Desktop),
)),
];
let mut column = widget::column::with_capacity(buttons.len())
.align_items(Alignment::Center)
.height(Length::Fixed(item_height as f32))
.width(Length::Fixed(item_width as f32));
for button in buttons {
if self.context_menu.is_some() {
column = column.push(button)
} else {
column = column.push(
mouse_area::MouseArea::new(button).on_right_press_no_capture(
move |_point_opt| Message::RightClick(Some(i)),
),
);
}
}
let column: Element<Message> =
if item.metadata.is_dir() && item.location_opt.is_some() {
self.dnd_dest(&item.location_opt.clone().unwrap(), column)
} else {
column.into()
};
if item.selected {
dnd_items.push((i, (row, col), item));
drag_w_i = drag_w_i.min(col);
drag_n_i = drag_n_i.min(row);
drag_e_i = drag_e_i.max(col);
drag_s_i = drag_s_i.max(row);
}
let mouse_area = crate::mouse_area::MouseArea::new(column)
.on_press(move |_| Message::Click(Some(i)))
.on_double_click(move |_| Message::DoubleClick(Some(i)))
.on_release(move |_| Message::ClickRelease(Some(i)))
.on_middle_press(move |_| Message::MiddleClick(i));
//TODO: error if the row or col is already set?
while grid_elements.len() <= row {
grid_elements.push(Vec::new());
}
grid_elements[row].push(mouse_area);
count += 1;
if matches!(self.mode, Mode::Desktop) {
row += 1;
if row >= page_row + rows {
row = 0;
col += 1;
}
if col >= cols {
col = 0;
page_row += rows;
row = page_row;
}
} else {
col += 1;
if col >= cols {
col = 0;
row += 1;
}
}
}
for row_elements in grid_elements {
for element in row_elements {
grid = grid.push(element);
}
grid = grid.insert_row();
}
if count == 0 {
return (None, self.empty_view(hidden > 0), false);
}
children.push(grid.into());
//TODO: HACK If we don't reach the bottom of the view, go ahead and add a spacer to do that
{
let mut max_bottom = 0;
for (_, item) in items {
if let Some(rect) = item.rect_opt.get() {
let bottom = (rect.y + rect.height).ceil() as usize;
if bottom > max_bottom {
max_bottom = bottom;
}
}
}
let top_deduct = 7 * (space_xxs as usize);
self.item_view_size_opt
.set(self.size_opt.get().map(|s| Size {
width: s.width,
height: s.height - top_deduct as f32,
}));
let spacer_height = height.checked_sub(max_bottom + top_deduct).unwrap_or(0);
if spacer_height > 0 {
children.push(
widget::container(vertical_space(Length::Fixed(spacer_height as f32)))
.into(),
)
}
}
}
(
(!dnd_items.is_empty()).then(|| {
let mut dnd_grid = widget::grid()
.column_spacing(column_spacing)
.row_spacing(space_xxs)
.padding(space_xxs.into());
let mut dnd_item_i = 0;
for r in drag_n_i..=drag_s_i {
dnd_grid = dnd_grid.insert_row();
for c in drag_w_i..=drag_e_i {
let Some((i, (row, col), item)) = dnd_items.get(dnd_item_i) else {
break;
};
if *row == r && *col == c {
let buttons = vec![
widget::button::custom(
widget::icon::icon(item.icon_handle_grid.clone())
.content_fit(ContentFit::Contain)
.size(icon_sizes.grid()),
)
.on_press(Message::Click(Some(*i)))
.padding(space_xxxs)
.style(button_style(
item.selected,
false,
false,
false,
)),
widget::button::custom(widget::text(item.display_name.clone()))
.id(item.button_id.clone())
.on_press(Message::Click(Some(*i)))
.padding([0, space_xxxs])
.style(button_style(item.selected, true, true, false)),
];
let mut column = widget::column::with_capacity(buttons.len())
.align_items(Alignment::Center)
.height(Length::Fixed(item_height as f32))
.width(Length::Fixed(item_width as f32));
for button in buttons {
column = column.push(button)
}
dnd_grid = dnd_grid.push(column);
dnd_item_i += 1;
} else {
dnd_grid = dnd_grid.push(
widget::container(vertical_space(item_width as f32))
.height(Length::Fixed(item_height as f32)),
);
}
}
}
Element::from(dnd_grid)
.map(|m| cosmic::app::Message::App(crate::app::Message::TabMessage(None, m)))
}),
mouse_area::MouseArea::new(
widget::container(widget::column::with_children(children)).width(Length::Fill),
)
.on_press(|_| Message::Click(None))
.on_drag(Message::Drag)
.on_drag_end(|_| Message::DragEnd(None))
.show_drag_rect(true)
.on_release(|_| Message::ClickRelease(None))
.into(),
true,
)
}
pub fn list_view(
&self,
) -> (
Option<Element<'static, cosmic::app::Message<crate::app::Message>>>,
Element<Message>,
bool,
) {
let cosmic_theme::Spacing {
space_m,
space_s,
space_xxs,
space_xxxs,
..
} = theme::active().cosmic().spacing;
let TabConfig {
show_hidden,
icon_sizes,
..
} = self.config;
let size = self.size_opt.get().unwrap_or_else(|| Size::new(0.0, 0.0));
//TODO: allow resizing?
let name_width = 300.0;
let modified_width = 200.0;
let size_width = 100.0;
let condensed = size.width < (name_width + modified_width + size_width);
let is_search = matches!(self.location, Location::Search(..));
let icon_size = if condensed || is_search {
icon_sizes.list_condensed()
} else {
icon_sizes.list()
};
let row_height = icon_size + 2 * space_xxs;
let mut children: Vec<Element<_>> = Vec::new();
let mut y = 0;
let items = self.column_sort();
let mut drag_items = Vec::new();
if let Some(items) = items {
let mut count = 0;
let mut hidden = 0;
for (i, item) in items {
if item.hidden && !show_hidden {
item.pos_opt.set(None);
item.rect_opt.set(None);
hidden += 1;
continue;
}
item.pos_opt.set(Some((count, 0)));
item.rect_opt.set(Some(Rectangle::new(
Point::new(space_m as f32, y as f32),
Size::new(size.width - (2 * space_m) as f32, row_height as f32),
)));
if count > 0 {
children.push(
container(horizontal_rule(1))
.padding([0, space_xxxs])
.into(),
);
y += 1;
}
let modified_text = match &item.metadata {
ItemMetadata::Path { metadata, .. } => match metadata.modified() {
Ok(time) => format_time(time).to_string(),
Err(_) => String::new(),
},
ItemMetadata::Trash { entry, .. } => FormatTime::from_secs(entry.time_deleted)
.map(|t| t.to_string())
.unwrap_or_default(),
_ => String::new(),
};
let size_text = match &item.metadata {
ItemMetadata::Path { metadata, children } => {
if metadata.is_dir() {
//TODO: translate
if *children == 1 {
format!("{} item", children)
} else {
format!("{} items", children)
}
} else {
format_size(metadata.len())
}
}
ItemMetadata::Trash { metadata, .. } => match metadata.size {
trash::TrashItemSize::Entries(entries) => {
//TODO: translate
if entries == 1 {
format!("{} item", entries)
} else {
format!("{} items", entries)
}
}
trash::TrashItemSize::Bytes(bytes) => format_size(bytes),
},
ItemMetadata::SimpleDir { entries } => {
//TODO: translate
if *entries == 1 {
format!("{} item", entries)
} else {
format!("{} items", entries)
}
}
ItemMetadata::SimpleFile { size } => format_size(*size),
};
let row = if condensed {
widget::row::with_children(vec![
widget::icon::icon(item.icon_handle_list_condensed.clone())
.content_fit(ContentFit::Contain)
.size(icon_size)
.into(),
widget::column::with_children(vec![
widget::text(item.display_name.clone()).into(),
//TODO: translate?
widget::text::caption(format!("{} - {}", modified_text, size_text))
.into(),
])
.into(),
])
.height(Length::Fixed(row_height as f32))
.align_items(Alignment::Center)
.spacing(space_xxs)
} else if is_search {
widget::row::with_children(vec![
widget::icon::icon(item.icon_handle_list_condensed.clone())
.content_fit(ContentFit::Contain)
.size(icon_size)
.into(),
widget::column::with_children(vec![
widget::text(item.display_name.clone()).into(),
widget::text::caption(match item.path_opt() {
Some(path) => path.display().to_string(),
None => String::new(),
})
.into(),
])
.width(Length::Fill)
.into(),
widget::text(modified_text.clone())
.width(Length::Fixed(modified_width))
.into(),
widget::text(size_text.clone())
.width(Length::Fixed(size_width))
.into(),
])
.height(Length::Fixed(row_height as f32))
.align_items(Alignment::Center)
.spacing(space_xxs)
} else {
widget::row::with_children(vec![
widget::icon::icon(item.icon_handle_list.clone())
.content_fit(ContentFit::Contain)
.size(icon_size)
.into(),
widget::text(item.display_name.clone())
.width(Length::Fill)
.into(),
widget::text(modified_text.clone())
.width(Length::Fixed(modified_width))
.into(),
widget::text(size_text.clone())
.width(Length::Fixed(size_width))
.into(),
])
.height(Length::Fixed(row_height as f32))
.align_items(Alignment::Center)
.spacing(space_xxs)
};
let button = |row| {
let mouse_area = crate::mouse_area::MouseArea::new(
widget::button::custom(row)
.width(Length::Fill)
.id(item.button_id.clone())
.padding([0, space_xxs])
.style(button_style(item.selected, true, false, false)),
)
.on_press(move |_| Message::Click(Some(i)))
.on_double_click(move |_| Message::DoubleClick(Some(i)))
.on_release(move |_| Message::ClickRelease(Some(i)))
.on_middle_press(move |_| Message::MiddleClick(i));
if self.context_menu.is_some() {
mouse_area
} else {
mouse_area.on_right_press_no_capture(move |_point_opt| {
Message::RightClick(Some(i))
})
}
};
let button_row = button(row.into());
let button_row: Element<_> =
if item.metadata.is_dir() && item.location_opt.is_some() {
self.dnd_dest(item.location_opt.as_ref().unwrap(), button_row)
} else {
button_row.into()
};
if item.selected || !drag_items.is_empty() {
let dnd_row = if !item.selected {
Element::from(vertical_space(Length::Fixed(row_height as f32)))
} else if condensed {
widget::row::with_children(vec![
widget::icon::icon(item.icon_handle_list_condensed.clone())
.content_fit(ContentFit::Contain)
.size(icon_size)
.into(),
widget::column::with_children(vec![
widget::text(item.display_name.clone()).into(),
//TODO: translate?
widget::text(format!("{} - {}", modified_text, size_text)).into(),
])
.into(),
])
.align_items(Alignment::Center)
.spacing(space_xxs)
.into()
} else if is_search {
widget::row::with_children(vec![
widget::icon::icon(item.icon_handle_list_condensed.clone())
.content_fit(ContentFit::Contain)
.size(icon_size)
.into(),
widget::column::with_children(vec![
widget::text(item.display_name.clone()).into(),
widget::text::caption(match item.path_opt() {
Some(path) => path.display().to_string(),
None => String::new(),
})
.into(),
])
.width(Length::Fill)
.into(),
widget::text(modified_text.clone())
.width(Length::Fixed(modified_width))
.into(),
widget::text(size_text.clone())
.width(Length::Fixed(size_width))
.into(),
])
.align_items(Alignment::Center)
.spacing(space_xxs)
.into()
} else {
widget::row::with_children(vec![
widget::icon::icon(item.icon_handle_list.clone())
.content_fit(ContentFit::Contain)
.size(icon_size)
.into(),
widget::text(item.display_name.clone())
.width(Length::Fill)
.into(),
widget::text(modified_text)
.width(Length::Fixed(modified_width))
.into(),
widget::text(size_text)
.width(Length::Fixed(size_width))
.into(),
])
.align_items(Alignment::Center)
.spacing(space_xxs)
.into()
};
if item.selected {
drag_items.push(
widget::container(button(dnd_row))
.width(Length::Shrink)
.into(),
);
} else {
drag_items.push(dnd_row);
}
}
count += 1;
y += row_height;
children.push(button_row);
}
if count == 0 {
return (None, self.empty_view(hidden > 0), false);
}
}
//TODO: HACK If we don't reach the bottom of the view, go ahead and add a spacer to do that
{
let top_deduct = (if condensed || is_search { 6 } else { 9 }) * space_xxs;
self.item_view_size_opt
.set(self.size_opt.get().map(|s| Size {
width: s.width,
height: s.height - top_deduct as f32,
}));
let spacer_height = size.height - y as f32 - top_deduct as f32;
if spacer_height > 0. {
children
.push(widget::container(vertical_space(Length::Fixed(spacer_height))).into());
}
}
let drag_col = (!drag_items.is_empty()).then(|| {
Element::from(widget::column::with_children(drag_items))
.map(|m| cosmic::app::Message::App(crate::app::Message::TabMessage(None, m)))
});
(
drag_col,
mouse_area::MouseArea::new(
widget::column::with_children(children).padding([0, space_s]),
)
.with_id(Id::new("list-view"))
.on_press(|_| Message::Click(None))
.on_drag(Message::Drag)
.on_drag_end(|_| Message::DragEnd(None))
.show_drag_rect(true)
.on_release(|_| Message::ClickRelease(None))
.into(),
true,
)
}
pub fn view_responsive(
&self,
key_binds: &HashMap<KeyBind, Action>,
size: Size,
) -> Element<Message> {
// Update cached size
self.size_opt.set(Some(size));
let cosmic_theme::Spacing {
space_xxs,
space_xs,
..
} = theme::active().cosmic().spacing;
let location_view_opt = if matches!(self.mode, Mode::Desktop) {
None
} else {
Some(self.location_view())
};
let (drag_list, mut item_view, can_scroll) = match self.config.view {
View::Grid => self.grid_view(),
View::List => self.list_view(),
};
item_view = widget::container(item_view).width(Length::Fill).into();
let files = self
.items_opt
.as_ref()
.map(|items| {
items
.iter()
.filter(|item| item.selected)
.filter_map(|item| item.path_opt().map(|x| x.clone()))
.collect::<Vec<PathBuf>>()
})
.unwrap_or_default();
let item_view = DndSource::<_, cosmic::app::Message<app::Message>, ClipboardCopy>::with_id(
item_view,
Id::new("tab-view"),
);
let item_view = match drag_list {
Some(drag_list) if self.selected_clicked => {
let drag_list = ArcElementWrapper(Arc::new(Mutex::new(drag_list)));
item_view
.drag_content(move || {
ClipboardCopy::new(crate::clipboard::ClipboardKind::Copy, &files)
})
.drag_icon(move || {
let state: tree::State =
Widget::<cosmic::app::Message<app::Message>, _, _>::state(&drag_list);
(drag_list.clone().into(), state)
})
}
_ => item_view,
};
let tab_location = self.location.clone();
let mut mouse_area = mouse_area::MouseArea::new(item_view)
.on_press(move |_point_opt| Message::Click(None))
.on_release(|_| Message::ClickRelease(None))
//TODO: better way to keep focused item in view
.on_resize(|_| Message::ScrollToFocus)
.on_back_press(move |_point_opt| Message::GoPrevious)
.on_forward_press(move |_point_opt| Message::GoNext)
.on_scroll(respond_to_scroll_direction);
if self.context_menu.is_some() {
mouse_area = mouse_area.on_right_press(move |_point_opt| Message::ContextMenu(None));
} else {
mouse_area = mouse_area.on_right_press(Message::ContextMenu);
}
let mut popover = widget::popover(mouse_area);
if let Some(point) = self.context_menu {
popover = popover
.popup(menu::context_menu(&self, &key_binds))
.position(widget::popover::Position::Point(point));
}
let mut tab_column = widget::column::with_capacity(3);
if let Some(location_view) = location_view_opt {
tab_column = tab_column.push(location_view);
}
if can_scroll {
tab_column = tab_column.push(
widget::scrollable(popover)
.id(self.scrollable_id.clone())
.on_scroll(Message::Scroll)
.width(Length::Fill)
.height(Length::Fill),
);
} else {
tab_column = tab_column.push(popover);
}
match &self.location {
Location::Trash => {
if let Some(items) = self.items_opt() {
if !items.is_empty() {
tab_column = tab_column.push(
widget::layer_container(widget::row::with_children(vec![
widget::horizontal_space(Length::Fill).into(),
widget::button::standard(fl!("empty-trash"))
.on_press(Message::EmptyTrash)
.into(),
]))
.padding([space_xxs, space_xs])
.layer(cosmic_theme::Layer::Primary),
);
}
}
}
Location::Network(uri, _display_name) if uri == "network:///" => {
tab_column = tab_column.push(
widget::layer_container(widget::row::with_children(vec![
widget::horizontal_space(Length::Fill).into(),
widget::button::standard(fl!("add-network-drive"))
.on_press(Message::AddNetworkDrive)
.into(),
]))
.padding([space_xxs, space_xs])
.layer(cosmic_theme::Layer::Primary),
);
}
_ => {}
}
let mut tab_view = widget::container(tab_column)
.height(Length::Fill)
.width(Length::Fill);
if self.dnd_hovered.as_ref().map(|(l, _)| l) == Some(&tab_location) {
tab_view = tab_view.style(cosmic::theme::Container::custom(|t| {
let mut a = cosmic::iced_style::container::StyleSheet::appearance(
t,
&cosmic::theme::Container::default(),
);
let c = t.cosmic();
a.border = cosmic::iced_core::Border {
color: (c.accent_color()).into(),
width: 1.,
radius: c.radius_0().into(),
};
a
}));
}
let tab_location_2 = self.location.clone();
let tab_location_3 = self.location.clone();
let dnd_dest = DndDestination::for_data(tab_view, move |data, action| {
if let Some(mut data) = data {
if action == DndAction::Copy {
Message::Drop(Some((tab_location.clone(), data)))
} else if action == DndAction::Move {
data.kind = ClipboardKind::Cut;
Message::Drop(Some((tab_location.clone(), data)))
} else {
log::warn!("unsupported action: {:?}", action);
Message::Drop(None)
}
} else {
Message::Drop(None)
}
})
.on_enter(move |_, _, _| Message::DndEnter(tab_location_2.clone()))
.on_leave(move || Message::DndLeave(tab_location_3.clone()));
dnd_dest.into()
}
pub fn view<'a>(&'a self, key_binds: &'a HashMap<KeyBind, Action>) -> Element<Message> {
widget::responsive(|size| self.view_responsive(key_binds, size)).into()
}
pub fn subscription(&self) -> Subscription<Message> {
let Some(items) = &self.items_opt else {
return Subscription::none();
};
//TODO: how many thumbnail loads should be in flight at once?
let jobs = 8;
let mut subscriptions = Vec::with_capacity(jobs + 1);
//TODO: move to function
let visible_rect = {
let point = match self.scroll_opt {
Some(offset) => Point::new(0.0, offset.y),
None => Point::new(0.0, 0.0),
};
let size = self.size_opt.get().unwrap_or_else(|| Size::new(0.0, 0.0));
Rectangle::new(point, size)
};
//TODO: HACK to ensure positions are up to date since subscription runs before view
match self.config.view {
View::Grid => _ = self.grid_view(),
View::List => _ = self.list_view(),
};
for item in items.iter() {
if item.thumbnail_opt.is_some() {
// Skip items that already have a mime type and thumbnail
continue;
}
match item.rect_opt.get() {
Some(rect) => {
if !rect.intersects(&visible_rect) {
// Skip items that are not visible
continue;
}
}
None => {
// Skip items with no determined rect (this should include hidden items)
continue;
}
}
let Some(path) = item.path_opt().map(|path| path.to_path_buf()) else {
continue;
};
let ItemMetadata::Path { metadata, .. } = item.metadata.clone() else {
continue;
};
let mime = item.mime.clone();
subscriptions.push(subscription::channel(
path.clone(),
1,
|mut output| async move {
let message = {
let path = path.clone();
tokio::task::spawn_blocking(move || {
let start = Instant::now();
let thumbnail =
ItemThumbnail::new(&path, metadata, mime, THUMBNAIL_SIZE);
log::debug!("thumbnailed {:?} in {:?}", path, start.elapsed());
Message::Thumbnail(path.clone(), thumbnail)
})
.await
.unwrap()
};
match output.send(message).await {
Ok(()) => {}
Err(err) => {
log::warn!("failed to send thumbnail for {:?}: {}", path, err);
}
}
std::future::pending().await
},
));
if subscriptions.len() >= jobs {
break;
}
}
// Load search items incrementally
if let Location::Search(path, term, show_hidden, start) = &self.location {
let location = self.location.clone();
let path = path.clone();
let term = term.clone();
let show_hidden = *show_hidden;
let start = start.clone();
subscriptions.push(subscription::channel(
location.clone(),
2,
move |mut output| async move {
//TODO: optimal size?
let (results_tx, results_rx) = mpsc::channel(65536);
let ready = Arc::new(atomic::AtomicBool::new(false));
let last_modified_opt = Arc::new(RwLock::new(None));
output
.send(Message::SearchContext(
location.clone(),
SearchContextWrapper(Some(SearchContext {
results_rx,
ready: ready.clone(),
last_modified_opt: last_modified_opt.clone(),
})),
))
.await
.unwrap();
let output = Arc::new(tokio::sync::Mutex::new(output));
{
let output = output.clone();
tokio::task::spawn_blocking(move || {
scan_search(
&path,
&term,
show_hidden,
move |path, name, metadata| -> bool {
// Don't send if the result is too old
if let Some(last_modified) = *last_modified_opt.read().unwrap()
{
if let Ok(modified) = metadata.modified() {
if modified < last_modified {
return true;
}
} else {
return true;
}
}
match results_tx.blocking_send((
path.to_path_buf(),
name.to_string(),
metadata,
)) {
Ok(()) => {
if !ready.swap(true, atomic::Ordering::SeqCst) {
// Wake up update method
futures::executor::block_on(async {
output
.lock()
.await
.send(Message::SearchReady(false))
.await
})
.is_ok()
} else {
true
}
}
Err(_) => false,
}
},
);
log::info!(
"searched for {:?} in {:?} in {:?}",
term,
path,
start.elapsed(),
);
})
.await
.unwrap();
}
// Send final ready
let _ = output.lock().await.send(Message::SearchReady(true)).await;
std::future::pending().await
},
));
}
Subscription::batch(subscriptions)
}
}
pub fn respond_to_scroll_direction(delta: ScrollDelta, modifiers: Modifiers) -> Option<Message> {
if !modifiers.control() {
return None;
}
let delta_y = match delta {
ScrollDelta::Lines { y, .. } => y,
ScrollDelta::Pixels { y, .. } => y,
};
if delta_y > 0.0 {
return Some(Message::ZoomIn);
}
if delta_y < 0.0 {
return Some(Message::ZoomOut);
}
None
}
#[cfg(test)]
mod tests {
use std::{fs, io, path::PathBuf};
use cosmic::{iced::mouse::ScrollDelta, iced_runtime::keyboard::Modifiers};
use log::{debug, trace};
use tempfile::TempDir;
use test_log::test;
use super::{respond_to_scroll_direction, scan_path, Location, Message, Tab};
use crate::{
app::test_utils::{
assert_eq_tab_path, empty_fs, eq_path_item, filter_dirs, read_dir_sorted, simple_fs,
tab_click_new, NAME_LEN, NUM_DIRS, NUM_FILES, NUM_HIDDEN, NUM_NESTED,
},
config::{IconSizes, TabConfig},
};
// Boilerplate for tab tests. Checks if simulated clicks selected items.
fn tab_selects_item(
clicks: &[usize],
modifiers: Modifiers,
expected_selected: &[bool],
) -> io::Result<()> {
let (_fs, mut tab) = tab_click_new(NUM_FILES, NUM_NESTED, NUM_DIRS, NUM_NESTED, NAME_LEN)?;
// Simulate clicks by triggering Message::Click
for &click in clicks {
debug!("Emitting Message::Click(Some({click})) with modifiers: {modifiers:?}");
tab.update(Message::Click(Some(click)), modifiers);
}
let items = tab
.items_opt
.as_deref()
.expect("tab should be populated with items");
for (i, (&expected, actual)) in expected_selected.into_iter().zip(items).enumerate() {
assert_eq!(
expected,
actual.selected,
"expected index {i} to be {}",
if expected {
"selected but it was deselected"
} else {
"deselected but it was selected"
}
);
}
Ok(())
}
fn tab_history() -> io::Result<(TempDir, Tab, Vec<PathBuf>)> {
let fs = simple_fs(NUM_FILES, NUM_NESTED, NUM_DIRS, NUM_NESTED, NAME_LEN)?;
let path = fs.path();
let mut tab = Tab::new(Location::Path(path.into()), TabConfig::default());
// All directories (simple_fs only produces one nested layer)
let dirs: Vec<PathBuf> = filter_dirs(path)?
.flat_map(|dir| {
filter_dirs(&dir).map(|nested_dirs| std::iter::once(dir).chain(nested_dirs))
})
.flatten()
.collect();
assert!(
dirs.len() == NUM_DIRS + NUM_DIRS * NUM_NESTED,
"Sanity check: Have {} dirs instead of {}",
dirs.len(),
NUM_DIRS + NUM_DIRS * NUM_NESTED
);
debug!("Building history by emitting Message::Location");
for dir in &dirs {
debug!(
"Emitting Message::Location(Location::Path(\"{}\"))",
dir.display()
);
tab.update(
Message::Location(Location::Path(dir.clone())),
Modifiers::empty(),
);
}
trace!("Tab history: {:?}", tab.history);
Ok((fs, tab, dirs))
}
#[test]
fn scan_path_succeeds_on_valid_path() -> io::Result<()> {
let fs = simple_fs(NUM_FILES, NUM_HIDDEN, NUM_DIRS, NUM_NESTED, NAME_LEN)?;
let path = fs.path();
// Read directory entries and sort as cosmic-files does
let entries = read_dir_sorted(path)?;
debug!("Calling scan_path(\"{}\")", path.display());
let actual = scan_path(&path.to_owned(), IconSizes::default());
// scan_path shouldn't skip any entries
assert_eq!(entries.len(), actual.len());
// Correct files should be scanned
assert!(entries
.into_iter()
.zip(actual.into_iter())
.all(|(path, item)| eq_path_item(&path, &item)));
Ok(())
}
#[test]
fn scan_path_returns_empty_vec_for_invalid_path() -> io::Result<()> {
let fs = simple_fs(NUM_FILES, NUM_NESTED, NUM_DIRS, NUM_NESTED, NAME_LEN)?;
let path = fs.path();
// A nonexisting path within the temp dir
let invalid_path = path.join("ferris");
assert!(!invalid_path.exists());
debug!("Calling scan_path(\"{}\")", invalid_path.display());
let actual = scan_path(&invalid_path, IconSizes::default());
assert!(actual.is_empty());
Ok(())
}
#[test]
fn scan_path_empty_dir_returns_empty_vec() -> io::Result<()> {
let fs = empty_fs()?;
let path = fs.path();
debug!("Calling scan_path(\"{}\")", path.display());
let actual = scan_path(&path.to_owned(), IconSizes::default());
assert_eq!(0, path.read_dir()?.count());
assert!(actual.is_empty());
Ok(())
}
#[test]
fn tab_location_changes_location() -> io::Result<()> {
let fs = simple_fs(NUM_FILES, NUM_NESTED, NUM_DIRS, NUM_NESTED, NAME_LEN)?;
let path = fs.path();
// Next directory in temp directory
// This does not have to be sorted
let next_dir = filter_dirs(path)?
.next()
.expect("temp directory should have at least one directory");
let mut tab = Tab::new(Location::Path(path.to_owned()), TabConfig::default());
debug!(
"Emitting Message::Location(Location::Path(\"{}\"))",
next_dir.display()
);
tab.update(
Message::Location(Location::Path(next_dir.clone())),
Modifiers::empty(),
);
// Validate that the tab's path updated
// NOTE: `items_opt` is set to None with Message::Location so this ONLY checks for equal paths
// If item contents are NOT None then this needs to be reevaluated for correctness
assert_eq_tab_path(&tab, &next_dir);
assert!(
tab.items_opt.is_none(),
"Tab's `items` is not None which means this test needs to be updated"
);
Ok(())
}
#[test]
fn tab_click_single_selects_item() -> io::Result<()> {
// Select the second directory with no keys held down
tab_selects_item(&[1], Modifiers::empty(), &[false, true])
}
#[test]
fn tab_click_double_opens_folder() -> io::Result<()> {
let (fs, mut tab) = tab_click_new(NUM_FILES, NUM_NESTED, NUM_DIRS, NUM_NESTED, NAME_LEN)?;
let path = fs.path();
// Simulate double clicking second directory
debug!("Emitting double click Message::DoubleClick(Some(1))");
tab.update(Message::DoubleClick(Some(1)), Modifiers::empty());
// Path to second directory
let second_dir = read_dir_sorted(path)?
.into_iter()
.filter(|p| p.is_dir())
.nth(1)
.expect("should be at least two directories");
// Location should have changed to second_dir
assert_eq_tab_path(&tab, &second_dir);
Ok(())
}
#[test]
fn tab_click_ctrl_selects_multiple() -> io::Result<()> {
// Select the first and second directory by holding down ctrl
tab_selects_item(&[0, 1], Modifiers::CTRL, &[true, true])
}
#[test]
fn tab_gonext_moves_forward_in_history() -> io::Result<()> {
let (fs, mut tab, dirs) = tab_history()?;
let path = fs.path();
// Rewind to the start
for _ in 0..dirs.len() {
debug!("Emitting Message::GoPrevious to rewind to the start",);
tab.update(Message::GoPrevious, Modifiers::empty());
}
assert_eq_tab_path(&tab, path);
// Back to the future. Directories should be in the order they were opened.
for dir in dirs {
debug!("Emitting Message::GoNext",);
tab.update(Message::GoNext, Modifiers::empty());
assert_eq_tab_path(&tab, &dir);
}
Ok(())
}
#[test]
fn tab_goprev_moves_backward_in_history() -> io::Result<()> {
let (fs, mut tab, dirs) = tab_history()?;
let path = fs.path();
for dir in dirs.into_iter().rev() {
assert_eq_tab_path(&tab, &dir);
debug!("Emitting Message::GoPrevious",);
tab.update(Message::GoPrevious, Modifiers::empty());
}
assert_eq_tab_path(&tab, path);
Ok(())
}
#[test]
fn tab_scroll_up_with_ctrl_modifier_zooms() -> io::Result<()> {
let message_maybe =
respond_to_scroll_direction(ScrollDelta::Pixels { x: 0.0, y: 1.0 }, Modifiers::CTRL);
assert!(!message_maybe.is_none());
assert!(matches!(message_maybe.unwrap(), Message::ZoomIn));
Ok(())
}
#[test]
fn tab_scroll_up_without_ctrl_modifier_does_not_zoom() -> io::Result<()> {
let message_maybe =
respond_to_scroll_direction(ScrollDelta::Pixels { x: 0.0, y: 1.0 }, Modifiers::empty());
assert!(message_maybe.is_none());
Ok(())
}
#[test]
fn tab_scroll_down_with_ctrl_modifier_zooms() -> io::Result<()> {
let message_maybe =
respond_to_scroll_direction(ScrollDelta::Pixels { x: 0.0, y: -1.0 }, Modifiers::CTRL);
assert!(!message_maybe.is_none());
assert!(matches!(message_maybe.unwrap(), Message::ZoomOut));
Ok(())
}
#[test]
fn tab_scroll_down_without_ctrl_modifier_does_not_zoom() -> io::Result<()> {
let message_maybe = respond_to_scroll_direction(
ScrollDelta::Pixels { x: 0.0, y: -1.0 },
Modifiers::empty(),
);
assert!(message_maybe.is_none());
Ok(())
}
#[test]
fn tab_empty_history_does_nothing_on_prev_next() -> io::Result<()> {
let fs = simple_fs(0, NUM_NESTED, NUM_DIRS, 0, NAME_LEN)?;
let path = fs.path();
let mut tab = Tab::new(Location::Path(path.into()), TabConfig::default());
// Tab's location shouldn't change if GoPrev or GoNext is triggered
debug!("Emitting Message::GoPrevious",);
tab.update(Message::GoPrevious, Modifiers::empty());
assert_eq_tab_path(&tab, path);
debug!("Emitting Message::GoNext",);
tab.update(Message::GoNext, Modifiers::empty());
assert_eq_tab_path(&tab, path);
Ok(())
}
#[test]
fn tab_locationup_moves_up_hierarchy() -> io::Result<()> {
let fs = simple_fs(0, NUM_NESTED, NUM_DIRS, 0, NAME_LEN)?;
let path = fs.path();
let mut next_dir = filter_dirs(path)?
.next()
.expect("should be at least one directory");
let mut tab = Tab::new(Location::Path(next_dir.clone()), TabConfig::default());
// This will eventually yield false once root is hit
while next_dir.pop() {
debug!("Emitting Message::LocationUp",);
tab.update(Message::LocationUp, Modifiers::empty());
assert_eq_tab_path(&tab, &next_dir);
}
Ok(())
}
#[test]
fn sort_long_number_file_names() -> io::Result<()> {
let fs = empty_fs()?;
let path = fs.path();
// Create files with names 255 characters long that only contain a single number
// Example: 0000...0 for 255 characters
// https://en.wikipedia.org/wiki/Filename#Comparison_of_filename_limitations
let mut base_nums: Vec<_> = ('0'..'9').collect();
fastrand::shuffle(&mut base_nums);
debug!("Shuffled numbers for paths: {base_nums:?}");
let paths: Vec<_> = base_nums
.iter()
.map(|&base| path.join(std::iter::repeat(base).take(255).collect::<String>()))
.collect();
for (file, &base) in paths.iter().zip(base_nums.iter()) {
trace!("Creating long file name for {base}");
fs::File::create(file)?;
}
debug!("Creating tab for directory of long file names");
Tab::new(Location::Path(path.into()), TabConfig::default());
Ok(())
}
}
#[derive(Clone)]
pub struct ArcElementWrapper<M>(pub Arc<Mutex<Element<'static, M>>>);
impl<M> Widget<M, cosmic::Theme, cosmic::Renderer> for ArcElementWrapper<M> {
fn size(&self) -> Size<Length> {
self.0.lock().unwrap().as_widget().size()
}
fn size_hint(&self) -> Size<Length> {
self.0.lock().unwrap().as_widget().size_hint()
}
fn layout(
&self,
tree: &mut tree::Tree,
renderer: &cosmic::Renderer,
limits: &cosmic::iced_core::layout::Limits,
) -> cosmic::iced_core::layout::Node {
self.0
.lock()
.unwrap()
.as_widget_mut()
.layout(tree, renderer, limits)
}
fn draw(
&self,
tree: &tree::Tree,
renderer: &mut cosmic::Renderer,
theme: &cosmic::Theme,
style: &cosmic::iced_core::renderer::Style,
layout: cosmic::iced_core::Layout<'_>,
cursor: cosmic::iced_core::mouse::Cursor,
viewport: &Rectangle,
) {
self.0
.lock()
.unwrap()
.as_widget()
.draw(tree, renderer, theme, style, layout, cursor, viewport)
}
fn tag(&self) -> tree::Tag {
self.0.lock().unwrap().as_widget().tag()
}
fn state(&self) -> tree::State {
self.0.lock().unwrap().as_widget().state()
}
fn children(&self) -> Vec<tree::Tree> {
self.0.lock().unwrap().as_widget().children()
}
fn diff(&mut self, tree: &mut tree::Tree) {
self.0.lock().unwrap().as_widget_mut().diff(tree)
}
fn operate(
&self,
state: &mut tree::Tree,
layout: cosmic::iced_core::Layout<'_>,
renderer: &cosmic::Renderer,
operation: &mut dyn widget::Operation<cosmic::iced_core::widget::OperationOutputWrapper<M>>,
) {
self.0
.lock()
.unwrap()
.as_widget()
.operate(state, layout, renderer, operation)
}
fn on_event(
&mut self,
_state: &mut tree::Tree,
_event: cosmic::iced::Event,
_layout: cosmic::iced_core::Layout<'_>,
_cursor: cosmic::iced_core::mouse::Cursor,
_renderer: &cosmic::Renderer,
_clipboard: &mut dyn cosmic::iced_core::Clipboard,
_shell: &mut cosmic::iced_core::Shell<'_, M>,
_viewport: &Rectangle,
) -> event::Status {
self.0.lock().unwrap().as_widget_mut().on_event(
_state, _event, _layout, _cursor, _renderer, _clipboard, _shell, _viewport,
)
}
fn mouse_interaction(
&self,
_state: &tree::Tree,
_layout: cosmic::iced_core::Layout<'_>,
_cursor: cosmic::iced_core::mouse::Cursor,
_viewport: &Rectangle,
_renderer: &cosmic::Renderer,
) -> cosmic::iced_core::mouse::Interaction {
self.0
.lock()
.unwrap()
.as_widget()
.mouse_interaction(_state, _layout, _cursor, _viewport, _renderer)
}
fn overlay<'a>(
&'a mut self,
_state: &'a mut tree::Tree,
_layout: cosmic::iced_core::Layout<'_>,
_renderer: &cosmic::Renderer,
) -> Option<cosmic::iced_core::overlay::Element<'a, M, cosmic::Theme, cosmic::Renderer>> {
// TODO
None
}
fn id(&self) -> Option<Id> {
self.0.lock().unwrap().as_widget().id()
}
fn set_id(&mut self, _id: Id) {
self.0.lock().unwrap().as_widget_mut().set_id(_id)
}
fn drag_destinations(
&self,
_state: &tree::Tree,
_layout: cosmic::iced_core::Layout<'_>,
renderer: &cosmic::Renderer,
_dnd_rectangles: &mut cosmic::iced_core::clipboard::DndDestinationRectangles,
) {
self.0.lock().unwrap().as_widget().drag_destinations(
_state,
_layout,
renderer,
_dnd_rectangles,
)
}
}
impl<Message: 'static> From<ArcElementWrapper<Message>> for Element<'static, Message> {
fn from(wrapper: ArcElementWrapper<Message>) -> Self {
Element::new(wrapper)
}
}
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