cosmic-settings/app/src/pages/desktop/wallpaper/mod.rs
2024-03-12 07:45:44 +01:00

1347 lines
47 KiB
Rust

// Copyright 2023 System76 <info@system76.com>
// SPDX-License-Identifier: GPL-3.0-only
mod config;
pub mod widgets;
pub use config::Config;
use futures::StreamExt;
use url::Url;
use std::{
collections::HashMap,
path::{Path, PathBuf},
sync::Arc,
};
use apply::Apply;
use cosmic::{command, Command};
use cosmic::{
dialog::file_chooser,
widget::{
button, dropdown, list_column, row,
segmented_button::{self, SingleSelectModel},
settings, tab_bar, text, toggler,
},
};
use cosmic::{
iced::{wayland::actions::window::SctkWindowSettings, window, Color, Length},
prelude::CollectionWidget,
};
use cosmic::{
iced_core::Alignment,
iced_sctk::commands::window::{close_window, get_window},
widget::icon,
};
use cosmic::{
iced_core::{alignment, layout},
iced_runtime::core::image::Handle as ImageHandle,
};
use cosmic::{
widget::{color_picker::ColorPickerUpdate, ColorPickerModel},
Element,
};
use cosmic_bg_config::Source;
use cosmic_settings_page::Section;
use cosmic_settings_page::{self as page, section};
use cosmic_settings_wallpaper::{self as wallpaper, Entry, ScalingMode};
use image::imageops::FilterType::Lanczos3;
use image::{ImageBuffer, Rgba};
use slotmap::{DefaultKey, SecondaryMap, SlotMap};
const ZOOM: usize = 0;
const FIT: usize = 1;
const SIMULATED_WIDTH: u16 = 300;
const SIMULATED_HEIGHT: u16 = 169;
const MINUTES_5: usize = 0;
const MINUTES_10: usize = 1;
const MINUTES_15: usize = 2;
const MINUTES_30: usize = 3;
const HOUR_1: usize = 4;
const HOUR_2: usize = 5;
pub type Image = ImageBuffer<Rgba<u8>, Vec<u8>>;
#[derive(Clone, Debug)]
struct OutputName(String);
#[derive(Clone, Debug)]
pub struct InitUpdate {
service_config: wallpaper::Config,
displays: HashMap<String, (String, (u32, u32))>,
selection: Context,
}
/// Messages for the wallpaper view.
#[derive(Clone, Debug)]
pub enum Message {
/// Adds a new wallpaper folder.
AddFolder(Arc<Result<Url, file_chooser::Error>>),
/// Adds a new image file the system wallpaper folder.
AddFile(Arc<Result<Url, file_chooser::Error>>),
/// Selects an option in the category dropdown menu.
ChangeCategory(Category),
/// Changes the displayed images in the wallpaper view.
ChangeFolder(Context),
/// Creates a color dialog
ColorAddDialog,
/// Handles messages from the color dialog.
ColorDialogUpdate(ColorPickerUpdate),
/// Removes a custom color from the color view.
ColorRemove(wallpaper::Color),
/// Selects a color in the color view.
ColorSelect(wallpaper::Color),
/// Handles the drag message in the color dialog.
DragColorDialog,
/// Sets the wallpaper fit parameter.
Fit(usize),
/// Adds a new custom image to the wallpaper view.
ImageAdd(Option<Arc<(PathBuf, Image, Image)>>),
/// Creates an image dialog.
ImageAddDialog,
/// Removes a custom image from the wallpaper view.
ImageRemove(DefaultKey),
/// Initializes the view.
Init(Box<InitUpdate>),
/// Changes the active output display that is to be configured.
Output(segmented_button::Entity),
/// Changes the rotation frequency of wallpaper images in slideshow mode.
RotationFrequency(usize),
/// If set, all outputs will use the same wallpaper.
SameWallpaper(bool),
/// Selects an background option from the list of selections in the view.
Select(DefaultKey),
/// Changes the slideshow parameter.
Slideshow(bool),
/// State change from cosmic-bg
UpdateState(cosmic_bg_config::state::State),
}
impl From<Message> for crate::app::Message {
fn from(message: Message) -> Self {
let page_message = crate::pages::Message::DesktopWallpaper(message);
crate::app::Message::PageMessage(page_message)
}
}
/// Messages defined for the category dropdown menu.
#[derive(Clone, Debug, PartialEq)]
pub enum Category {
/// Opens a dialog for adding a folder
AddFolder,
/// Changes the view to the color view.
Colors,
/// Changes the view to an added folder.
RecentFolder(usize),
/// Changes the view to the system wallpaper view.
Wallpapers,
}
/// The page struct for the wallpaper view.
pub struct Page {
/// Whether to show the tab_bar or not.
show_tab_bar: bool,
/// The display that is currently being configured.
///
/// If set to `None`, all displays will have the same wallpaper.
active_output: Option<String>,
/// Configuration parameters used by the cosmic-bg service.
wallpaper_service_config: wallpaper::Config,
/// Cache for storing the image used by the display preview.
cached_display_handle: Option<ImageHandle>,
/// Model for the category dropdown, which has categories and recent folders.
categories: dropdown::multi::Model<String, Category>,
/// The window ID of the color dialog.
pub color_dialog: window::Id,
/// The color model updated by the color dialog.
color_model: ColorPickerModel,
/// Settings for this page, stored by cosmic-config.
config: Config,
/// Model containing available wallpaper fit options.
fit_options: Vec<String>,
/// Model for selecting between display outputs.
outputs: SingleSelectModel,
/// Current value of the slideshow rotation frequency.
rotation_frequency: u64,
/// Model for available options for rotation frequencies.
rotation_options: Vec<String>,
/// The ID of the currently-selected wallpaper fit.
selected_fit: usize,
/// The ID of the currently-selected slideshow rotation.
selected_rotation: usize,
/// Stores custom colors, custom images, and all image data for every wallpaper.
selection: Context,
/// When set, applys a config update after images are loaded.
update_config: Option<(usize, HashMap<String, (String, (u32, u32))>)>,
}
impl page::Page<crate::pages::Message> for Page {
fn content(
&self,
sections: &mut SlotMap<section::Entity, Section<crate::pages::Message>>,
) -> Option<page::Content> {
Some(vec![sections.insert(settings())])
}
fn info(&self) -> page::Info {
page::Info::new("wallpaper", "preferences-desktop-wallpaper-symbolic")
.title(fl!("wallpaper"))
.description(fl!("wallpaper", "desc"))
}
fn reload(&mut self, _page: page::Entity) -> Command<crate::pages::Message> {
let current_folder = self.config.current_folder().to_owned();
let recurse = self.categories.selected == Some(Category::Wallpapers);
command::future(async move {
let (service_config, displays) = wallpaper::config().await;
let selection = change_folder(current_folder, recurse).await;
crate::pages::Message::DesktopWallpaper(Message::Init(Box::new(InitUpdate {
service_config,
displays,
selection,
})))
})
}
}
impl page::AutoBind<crate::pages::Message> for Page {}
impl Default for Page {
fn default() -> Self {
let mut page = Page {
show_tab_bar: false,
active_output: None,
cached_display_handle: None,
categories: {
let mut categories = dropdown::multi::model();
categories.insert(dropdown::multi::list(
None,
vec![(fl!("wallpaper", "plural"), Category::Wallpapers)],
));
categories.insert(dropdown::multi::list(
None,
vec![(fl!("colors"), Category::Colors)],
));
categories.insert(dropdown::multi::list(
None,
vec![(fl!("open-new-folder"), Category::AddFolder)],
));
categories.insert(dropdown::multi::list(
Some(fl!("recent-folders")),
Vec::with_capacity(5),
));
categories.selected = Some(Category::Wallpapers);
categories
},
wallpaper_service_config: wallpaper::Config::default(),
color_dialog: window::Id::unique(),
color_model: ColorPickerModel::new(fl!("hex"), fl!("rgb"), None, Some(Color::WHITE)),
config: Config::new(),
fit_options: vec![fl!("fill"), fl!("fit-to-screen")],
outputs: SingleSelectModel::default(),
rotation_frequency: 300,
rotation_options: vec![
// FIX: fluent is inserting extra unicode characters in formatting
fl!("x-minutes", number = 5)
.replace('\u{2068}', "")
.replace('\u{2069}', ""),
fl!("x-minutes", number = 10)
.replace('\u{2068}', "")
.replace('\u{2069}', ""),
fl!("x-minutes", number = 15)
.replace('\u{2068}', "")
.replace('\u{2069}', ""),
fl!("x-minutes", number = 30)
.replace('\u{2068}', "")
.replace('\u{2069}', ""),
fl!("x-hours", number = 1)
.replace('\u{2068}', "")
.replace('\u{2069}', ""),
fl!("x-hours", number = 2)
.replace('\u{2068}', "")
.replace('\u{2069}', ""),
],
selected_fit: 0,
selected_rotation: 0,
selection: Context::default(),
update_config: None,
};
page.assign_recent_folders();
page
}
}
impl Page {
fn add_recent_folder(&mut self, folder: PathBuf) {
if let Err(why) = self.config.add_recent_folder(folder) {
tracing::error!(?why, "cannot add recent folder to config");
}
self.assign_recent_folders();
}
fn assign_recent_folders(&mut self) {
let recent_list = &mut self.categories.lists[3];
recent_list.options.clear();
for (id, folder) in self.config.recent_folders().iter().enumerate() {
if let Some(name) = folder.file_name() {
let name = name.to_string_lossy();
recent_list
.options
.push((name.to_string(), Category::RecentFolder(id)));
}
}
}
fn cache_display_image(&mut self) {
self.cached_display_handle = None;
let choice = match self.selection.active {
Choice::Wallpaper(id) => self.selection.display_images.get(id),
Choice::Slideshow => self
.config_output()
.and_then(|output| match self.config.current_image(output)? {
Source::Path(path) => {
let id = self.wallpaper_id_from_path(&path)?;
Some(&self.selection.display_images[id])
}
Source::Color(_color) => None,
})
.or(self.selection.display_images.values().next()),
Choice::Color(_) => None,
};
let Some(image) = choice else {
return;
};
let temp_image;
let image = match self.selected_fit {
ZOOM => {
let (w, h) = (image.width(), image.height());
let ratio =
(SIMULATED_WIDTH as f64 / w as f64).max(SIMULATED_HEIGHT as f64 / h as f64);
let (new_width, new_height) = (
(w as f64 * ratio).round() as u32,
(h as f64 * ratio).round() as u32,
);
let mut new_image = image::imageops::resize(image, new_width, new_height, Lanczos3);
temp_image = image::imageops::crop(
&mut new_image,
(new_width - SIMULATED_WIDTH as u32) / 2,
(new_height - SIMULATED_HEIGHT as u32) / 2,
SIMULATED_WIDTH as u32,
SIMULATED_HEIGHT as u32,
)
.to_image();
&temp_image
}
FIT => image,
_ => return,
};
self.cached_display_handle = Some(ImageHandle::from_pixels(
image.width(),
image.height(),
image.to_vec(),
));
}
fn config_output(&self) -> Option<&str> {
if self.wallpaper_service_config.same_on_all {
Some("all")
} else {
self.outputs
.active_data::<OutputName>()
.map(|name| name.0.as_str())
}
}
/// Applies the current settings to cosmic-bg.
pub fn config_apply(&mut self) {
let Some(output) = self.config_output().map(String::from) else {
return;
};
if self.wallpaper_service_config.same_on_all {
self.wallpaper_service_config.backgrounds.clear();
self.wallpaper_service_config.outputs.clear();
} else if let Some(pos) = self
.wallpaper_service_config
.backgrounds
.iter()
.position(|entry| entry.output == output)
{
let _removed = self.wallpaper_service_config.backgrounds.swap_remove(pos);
}
let entry = match self.selection.active {
Choice::Slideshow => {
match self
.config_wallpaper_entry(output, self.config.current_folder().to_path_buf())
{
Some(entry) => entry,
None => return,
}
}
Choice::Wallpaper(key) => {
if let Some(path) = self.selection.paths.get(key) {
match self.config_wallpaper_entry(output, path.clone()) {
Some(entry) => entry,
None => return,
}
} else {
return;
}
}
Choice::Color(ref color) => Entry::new(output, wallpaper::Source::Color(color.clone())),
};
wallpaper::set(&mut self.wallpaper_service_config, entry);
}
/// Locate the ID of a wallpaper that's already stored in memory
fn wallpaper_id_from_path(&self, path: &Path) -> Option<DefaultKey> {
self.selection
.paths
.iter()
.find(|(_id, wallpaper)| *wallpaper == path)
.map(|(id, _)| id)
}
/// Updates configuration from the wallpaper service.
fn wallpaper_service_config_update(&mut self, displays: HashMap<String, (String, (u32, u32))>) {
let mut first = None;
for (name, (_model, physical)) in displays {
let is_internal = "eDP-1" == name;
let entity = self
.outputs
.insert()
.text(crate::utils::display_name(&name, physical))
.data(OutputName(name));
if is_internal || first.is_none() {
first = Some(entity.id());
}
}
if let Some(id) = first {
self.outputs.activate(id);
}
self.apply_active_selection();
}
/// Apply the selection for the active output.
fn apply_active_selection(&mut self) {
if self.wallpaper_service_config.same_on_all
|| self.wallpaper_service_config.backgrounds.is_empty()
{
let entry = self.wallpaper_service_config.default_background.clone();
self.select_wallpaper_entry(&entry);
} else if let Some(OutputName(output)) = self.outputs.active_data() {
let mut wallpapers = Vec::new();
std::mem::swap(
&mut self.wallpaper_service_config.backgrounds,
&mut wallpapers,
);
for wallpaper in &wallpapers {
if wallpaper.output == *output {
self.active_output = Some(output.clone());
self.select_wallpaper_entry(wallpaper);
break;
}
}
std::mem::swap(
&mut self.wallpaper_service_config.backgrounds,
&mut wallpapers,
);
}
}
/// Changes the selection category, such as wallpaper select or color select.
fn change_category(&mut self, category: Category) -> Command<crate::app::Message> {
let mut command = Command::none();
match category {
Category::Wallpapers => {
if self.config.current_folder.is_some() {
let _ = self.config.set_current_folder(None);
command = cosmic::command::future(async move {
let folder = change_folder(Config::default_folder().to_owned(), true).await;
Message::ChangeFolder(folder).into()
});
} else {
self.select_first_wallpaper();
}
}
Category::Colors => {
self.selection.active = Choice::Color(wallpaper::DEFAULT_COLORS[0].clone());
self.cache_display_image();
}
Category::RecentFolder(id) => {
if let Some(path) = self.config.recent_folders().get(id).cloned() {
if let Err(why) = self.config.set_current_folder(Some(path.clone())) {
tracing::error!(?path, ?why, "failed to set current folder");
}
command = cosmic::command::future(async move {
Message::ChangeFolder(change_folder(path, false).await).into()
});
}
}
Category::AddFolder => {
return cosmic::command::future(async {
let dialog_result = file_chooser::open::Dialog::new()
.title(fl!("wallpaper", "folder-dialog"))
.accept_label(fl!("dialog-add"))
.modal(false)
.open_folder()
.await
.map(|response| response.url().to_owned());
let message = Message::AddFolder(Arc::new(dialog_result));
let page_message = crate::pages::Message::DesktopWallpaper(message);
crate::Message::PageMessage(page_message)
});
}
}
self.categories.selected = Some(category);
command
}
/// Changes the output being configured
pub fn change_output(&mut self, entity: segmented_button::Entity) {
self.outputs.activate(entity);
if let Some(name) = self.outputs.data::<OutputName>(entity) {
self.active_output = Some(name.0.clone());
}
self.apply_active_selection();
self.cache_display_image();
}
/// Changes the slideshow wallpaper rotation frequency
pub fn change_rotation_frequency(&mut self, option: usize) {
self.selected_rotation = option;
self.rotation_frequency = match self.selected_rotation {
MINUTES_5 => 300,
MINUTES_10 => 600,
MINUTES_15 => 900,
MINUTES_30 => 1800,
HOUR_1 => 3600,
HOUR_2 => 7200,
_ => 10800,
};
}
/// Updates configuration for wallpaper image.
fn config_wallpaper_entry(&self, output: String, path: PathBuf) -> Option<Entry> {
let scaling_mode = match self.selected_fit {
ZOOM => ScalingMode::Zoom,
FIT => ScalingMode::Fit([0.0, 0.0, 0.0]),
_ => return None,
};
Entry::new(output, wallpaper::Source::Path(path))
.scaling_mode(scaling_mode)
.rotation_frequency(self.rotation_frequency)
.apply(Some)
}
#[must_use]
pub fn display_image_view(&self) -> cosmic::Element<Message> {
match self.cached_display_handle {
Some(ref handle) => cosmic::widget::image(handle.clone())
.width(Length::Fixed(SIMULATED_WIDTH as f32))
.into(),
None => cosmic::widget::Space::new(SIMULATED_WIDTH, SIMULATED_HEIGHT).into(),
}
}
#[allow(clippy::too_many_lines)]
pub fn update(&mut self, message: Message) -> Command<crate::app::Message> {
match message {
Message::UpdateState(_state) => {
if let Choice::Slideshow = self.selection.active {
self.cache_display_image();
}
}
Message::DragColorDialog => {
return cosmic::iced_sctk::commands::window::start_drag_window(self.color_dialog)
}
Message::ColorDialogUpdate(update) => {
let cmd = match update {
ColorPickerUpdate::AppliedColor
| ColorPickerUpdate::Cancel
| ColorPickerUpdate::Reset => {
if let Some(color) = self.color_model.get_applied_color() {
let color = wallpaper::Color::Single([color.r, color.g, color.b]);
if let Err(why) = self.config.add_custom_color(color.clone()) {
tracing::error!(?why, "could not set custom color");
}
self.selection.add_custom_color(color);
}
close_window(self.color_dialog)
}
ColorPickerUpdate::ActionFinished => {
let _res = self
.color_model
.update::<crate::app::Message>(ColorPickerUpdate::AppliedColor);
Command::none()
}
_ => Command::none(),
};
return Command::batch(vec![
cmd,
self.color_model.update::<crate::app::Message>(update),
]);
}
Message::ChangeFolder(mut context) => {
// Reassign custom colors and images to the new context.
std::mem::swap(&mut context, &mut self.selection);
for color in context.custom_colors {
self.selection.add_custom_color(color);
}
for image in context.custom_images {
let path = context.paths.remove(image);
let display = context.display_images.remove(image);
let selection = context.selection_handles.remove(image);
if let Some(((display, selection), path)) = display.zip(selection).zip(path) {
self.selection.add_custom_image(path, display, selection);
}
}
self.select_first_wallpaper();
}
Message::ColorAddDialog => {
return get_window(color_picker_window_settings(self.color_dialog));
}
Message::ColorRemove(color) => {
self.selection.remove_custom_color(&color);
if let Err(why) = self.config.remove_custom_color(&color) {
tracing::error!(?why, "could not remove custom color from config");
}
}
Message::ImageAdd(result) => {
let result = result.and_then(Arc::into_inner);
let Some((path, display, selection)) = result else {
tracing::warn!("image not found for provided wallpaper");
return Command::none();
};
if let Err(why) = self.config.add_custom_image(path.clone()) {
tracing::error!(?path, ?why, "could add custom image to config");
}
self.selection.add_custom_image(
path,
display,
ImageHandle::from_pixels(
selection.width(),
selection.height(),
selection.into_vec(),
),
);
// If an update was queued, apply it after all custom images have been added.
if let Some((mut remaining, displays)) = self.update_config.take() {
remaining -= 1;
if remaining == 0 {
self.wallpaper_service_config_update(displays);
self.config_apply();
} else {
self.update_config = Some((remaining, displays));
}
}
}
Message::ImageAddDialog => {
return cosmic::command::future(async {
let dialog_result = file_chooser::open::Dialog::new()
.title(fl!("wallpaper", "image-dialog"))
.accept_label(fl!("dialog-add"))
.modal(false)
.open_file()
.await
.map(|response| response.url().to_owned());
let message = Message::AddFile(Arc::new(dialog_result));
let page_message = crate::pages::Message::DesktopWallpaper(message);
crate::Message::PageMessage(page_message)
});
}
Message::ImageRemove(image) => {
if let Some(path) = self.selection.remove_custom_image(image) {
if let Err(why) = self.config.remove_custom_image(&path) {
tracing::error!(?why, "could not remove custom image from config");
}
}
}
Message::ChangeCategory(category) => {
return self.change_category(category);
}
Message::ColorSelect(color) => {
self.selection.active = Choice::Color(color);
self.cached_display_handle = None;
}
Message::Fit(selection) => {
self.selected_fit = selection;
self.cache_display_image();
}
Message::Output(id) => {
self.change_output(id);
return Command::none();
}
Message::RotationFrequency(pos) => self.change_rotation_frequency(pos),
Message::SameWallpaper(value) => {
self.wallpaper_service_config.same_on_all = value;
self.wallpaper_service_config.backgrounds.clear();
}
Message::Select(id) => {
self.selection.active = Choice::Wallpaper(id);
self.cache_display_image();
}
Message::Slideshow(enable) => {
if enable {
self.selection.active = Choice::Slideshow;
self.cache_display_image();
} else {
if let Some(output) = self.config_output() {
match self.config.current_image(output) {
Some(Source::Path(path)) => {
if let Some(entity) = self.wallpaper_id_from_path(&path) {
if let Some(entry) =
self.config_wallpaper_entry(output.to_owned(), path)
{
self.select_wallpaper(&entry, entity, false);
self.config_apply();
return Command::none();
}
}
}
_ => (),
}
}
self.select_first_wallpaper();
}
}
Message::AddFolder(result) => {
let path = match dialog_response(result) {
DialogResponse::Path(path) => path,
DialogResponse::Error(why) => {
tracing::error!(why, "dialog response error");
return Command::none();
}
};
if path.is_dir() {
tracing::info!(?path, "opening new folder");
let _res = self.config.set_current_folder(Some(path.clone()));
// Add the selected folder to the recent folders list.
self.add_recent_folder(path.clone());
// Select that folder in the recent folders list.
for (id, recent) in self.config.recent_folders().iter().enumerate() {
if &path == recent {
self.categories.selected = Some(Category::RecentFolder(id));
}
}
// Avoid walking user-selected folders.
let recurse = self.categories.selected == Some(Category::Wallpapers);
// Load the wallpapers from the selected folder into the view.
return cosmic::command::future(async move {
let message = Message::ChangeFolder(change_folder(path, recurse).await);
let page_message = crate::pages::Message::DesktopWallpaper(message);
crate::Message::PageMessage(page_message)
});
}
}
Message::AddFile(result) => {
let path = match dialog_response(result) {
DialogResponse::Path(path) => path,
DialogResponse::Error(why) => {
tracing::error!(why, "dialog response error");
return Command::none();
}
};
if path.is_file() {
tracing::info!(?path, "opening custom image");
// Loads a single custom image and its thumbnail for display in the backgrounds view.
return cosmic::command::future(async move {
let result = wallpaper::load_image_with_thumbnail(path);
let message = Message::ImageAdd(result.map(Arc::new));
let page_message = crate::pages::Message::DesktopWallpaper(message);
crate::Message::PageMessage(page_message)
});
}
}
Message::Init(update) => {
self.outputs.clear();
self.wallpaper_service_config = update.service_config;
self.selection = update.selection;
self.show_tab_bar = update.displays.len() > 1;
// Sync custom colors from config.
for color in self.config.custom_colors() {
self.selection.add_custom_color(color.clone());
}
// Set the default selection if an image was selected.
if let Choice::Wallpaper(_) | Choice::Slideshow = self.selection.active {
let folder = self.config.current_folder();
for (id, recent) in self.config.recent_folders().iter().enumerate() {
if recent == folder {
self.categories.selected = Some(Category::RecentFolder(id));
}
}
}
// These will need to be loaded before applying the service config.
let custom_images = self.config.custom_images();
// Make note of how many images are to be loaded, with the display update for the service config.
self.update_config = Some((custom_images.len(), update.displays));
// Load preview images concurrently for each custom image stored in the on-disk config.
return cosmic::command::batch(custom_images.iter().cloned().map(|path| {
cosmic::command::future(async move {
let result = wallpaper::load_image_with_thumbnail(path);
Message::ImageAdd(result.map(Arc::new)).into()
})
}));
}
}
self.config_apply();
Command::none()
}
/// Selects the given wallpaper entry.
fn select_wallpaper_entry(&mut self, entry: &wallpaper::Entry) {
match entry.source {
wallpaper::Source::Path(ref path) => {
if path.is_dir() {
self.selection.active = Choice::Slideshow;
self.cache_display_image();
} else if let Some(entity) = self.wallpaper_id_from_path(path) {
self.select_wallpaper(entry, entity, path.is_dir());
}
}
wallpaper::Source::Color(ref color) => {
self.selection.active = Choice::Color(color.clone());
self.categories.selected = Some(Category::Colors);
self.cache_display_image();
}
}
}
/// Selects the first wallpaper from the wallpaper select options.
fn select_first_wallpaper(&mut self) {
let (entity, path) = if let Some(Category::Wallpapers) = self.categories.selected {
match self.selection.custom_images.last() {
Some(entity) => (*entity, &self.selection.paths[*entity]),
None => match self.selection.paths.iter().next() {
Some(value) => value,
None => return,
},
}
} else {
match self.selection.paths.iter().next() {
Some(value) => value,
None => return,
}
};
if let Some(output) = self.config_output() {
let is_slideshow = path.is_dir();
if let Some(entry) = self.config_wallpaper_entry(output.to_owned(), path.clone()) {
self.select_wallpaper(&entry, entity, is_slideshow);
}
}
}
/// Selects the given wallpaper
fn select_wallpaper(
&mut self,
entry: &wallpaper::Entry,
entity: DefaultKey,
is_slideshow: bool,
) {
self.selection.active = if is_slideshow {
Choice::Slideshow
} else {
Choice::Wallpaper(entity)
};
match entry.scaling_mode {
ScalingMode::Zoom | ScalingMode::Stretch => self.selected_fit = ZOOM,
ScalingMode::Fit(_) => self.selected_fit = FIT,
}
match entry.rotation_frequency {
600 => self.selected_rotation = MINUTES_10,
900 => self.selected_rotation = MINUTES_15,
1800 => self.selected_rotation = MINUTES_30,
3600 => self.selected_rotation = HOUR_1,
7200 => self.selected_rotation = HOUR_2,
_ => self.selected_rotation = MINUTES_5,
}
self.rotation_frequency = entry.rotation_frequency;
self.cache_display_image();
}
pub fn show_color_dialog(&self) -> Element<crate::app::Message> {
color_picker_view(
&self.color_model,
Message::DragColorDialog,
Message::ColorDialogUpdate,
)
.map(|m| crate::app::Message::PageMessage(crate::pages::Message::DesktopWallpaper(m)))
}
}
#[derive(Clone, Debug, PartialEq)]
enum Choice {
Wallpaper(DefaultKey),
Color(wallpaper::Color),
Slideshow,
}
impl Default for Choice {
fn default() -> Self {
Self::Wallpaper(DefaultKey::default())
}
}
#[derive(Clone, Debug, Default)]
pub struct Context {
active: Choice,
custom_images: Vec<DefaultKey>,
custom_colors: Vec<wallpaper::Color>,
paths: SlotMap<DefaultKey, PathBuf>,
is_custom: SecondaryMap<DefaultKey, ()>,
display_images: SecondaryMap<DefaultKey, image::RgbaImage>,
selection_handles: SecondaryMap<DefaultKey, ImageHandle>,
}
impl Context {
fn add_custom_color(&mut self, color: wallpaper::Color) {
if !self.custom_colors.contains(&color) {
self.custom_colors.push(color);
}
}
fn add_custom_image(&mut self, path: PathBuf, display: Image, selection: ImageHandle) {
let key = self.paths.insert(path);
self.is_custom.insert(key, ());
self.display_images.insert(key, display);
self.custom_images.push(key);
self.selection_handles.insert(key, selection);
}
fn remove_custom_color(&mut self, color: &wallpaper::Color) {
if let Some(id) = self.custom_colors.iter().position(|c| c == color) {
self.custom_colors.remove(id);
}
}
fn remove_custom_image(&mut self, image: DefaultKey) -> Option<PathBuf> {
if self.is_custom.contains_key(image) {
if let Some(id) = self.custom_images.iter().position(|i| i == &image) {
self.custom_images.remove(id);
}
self.display_images.remove(image);
self.selection_handles.remove(image);
self.is_custom.remove(image);
return self.paths.remove(image);
}
None
}
}
pub async fn change_folder(current_folder: PathBuf, recurse: bool) -> Context {
let mut update = Context::default();
let mut wallpapers = wallpaper::load_each_from_path(current_folder, recurse).await;
while let Some((path, display_image, selection_image)) = wallpapers.next().await {
let id = update.paths.insert(path);
update.display_images.insert(id, display_image);
let selection_handle = ImageHandle::from_pixels(
selection_image.width(),
selection_image.height(),
selection_image.into_vec(),
);
update.selection_handles.insert(id, selection_handle);
}
update
}
crate::cache_dynamic_lazy! {
static WALLPAPER_SAME: String = fl!("wallpaper", "same");
static WALLPAPER_FIT: String = fl!("wallpaper", "fit");
static WALLPAPER_SLIDE: String = fl!("wallpaper", "slide");
static WALLPAPER_CHANGE: String = fl!("wallpaper", "change");
}
#[allow(clippy::too_many_lines)]
pub fn settings() -> Section<crate::pages::Message> {
Section::default()
.descriptions(vec![
WALLPAPER_SAME.as_str().into(),
WALLPAPER_FIT.as_str().into(),
WALLPAPER_SLIDE.as_str().into(),
WALLPAPER_CHANGE.as_str().into(),
])
.view::<Page>(|_binder, page, _section| {
let mut children = Vec::with_capacity(3);
let mut show_slideshow_toggle = true;
let mut slideshow_enabled = false;
children.push(crate::widget::display_container(
match page.selection.active {
// Shows wallpaper options, with the slideshow toggle enabled
Choice::Slideshow => {
slideshow_enabled = true;
page.display_image_view()
}
// Shows wallpaper options, with the slideshow toggle visible
Choice::Wallpaper(_) => page.display_image_view(),
// Displays color options, and hides the slideshow toggle
Choice::Color(ref color) => {
show_slideshow_toggle = false;
widgets::color_image(
color.clone(),
SIMULATED_WIDTH,
SIMULATED_HEIGHT,
Some(0.0),
)
}
},
));
if page.wallpaper_service_config.same_on_all {
let element = text(fl!("all-displays"))
.font(cosmic::font::FONT_SEMIBOLD)
.horizontal_alignment(alignment::Horizontal::Center)
.vertical_alignment(alignment::Vertical::Center)
.width(Length::Fill)
.height(Length::Fill)
.apply(cosmic::widget::container)
.width(Length::Fill)
.height(Length::Fixed(32.0));
children.push(element.into());
} else if page.show_tab_bar {
let element = tab_bar::horizontal(&page.outputs)
.button_alignment(Alignment::Center)
.on_activate(Message::Output);
children.push(element.into());
}
let wallpaper_fit =
cosmic::widget::dropdown(&page.fit_options, Some(page.selected_fit), Message::Fit);
children.push({
let mut column = list_column()
.add(settings::item(
&*WALLPAPER_SAME,
toggler(
None,
page.wallpaper_service_config.same_on_all,
Message::SameWallpaper,
),
))
.add(settings::item(&*WALLPAPER_FIT, wallpaper_fit));
if show_slideshow_toggle {
column = column.add(settings::item(
&*WALLPAPER_SLIDE,
toggler(None, slideshow_enabled, Message::Slideshow),
));
}
// The rotation frequency dropdown should only be shown when the slideshow is enabled.
if slideshow_enabled {
column
.add(settings::item(
&*WALLPAPER_CHANGE,
dropdown(
&page.rotation_options,
Some(page.selected_rotation),
Message::RotationFrequency,
),
))
.into()
} else {
column.into()
}
});
let category_selection =
dropdown::multi::dropdown(&page.categories, Message::ChangeCategory);
// Show the add button only on the Colors and Wallpapers pages
let add_button =
if let Some(Category::Colors | Category::Wallpapers) = page.categories.selected {
let (text, message) = if Some(Category::Colors) == page.categories.selected {
(fl!("add-color"), Message::ColorAddDialog)
} else {
(fl!("add-image"), Message::ImageAddDialog)
};
let button = button::link(text).trailing_icon(true).on_press(message);
Some(button)
} else {
None
};
children.push(
row::with_capacity(2)
.align_items(Alignment::Center)
// Show a folder icon if the active category is a custom folder.
.push_maybe(
if let Some(Category::RecentFolder(_)) = page.categories.selected {
Some(icon::from_name("folder-symbolic").size(16).icon())
} else {
None
},
)
.push(category_selection)
.push(cosmic::widget::horizontal_space(Length::Fill))
.push_maybe(add_button)
.into(),
);
match page.categories.selected {
// Displays system wallpapers that are available to select from
Some(Category::Wallpapers | Category::RecentFolder(_)) => {
children.push(widgets::wallpaper_select_options(
page,
if let Choice::Wallpaper(selection) = page.selection.active {
Some(selection)
} else {
None
},
matches!(page.categories.selected, Some(Category::Wallpapers)),
));
}
// Displays colors and gradients that are available to select from
Some(Category::Colors) => {
children.push(widgets::color_select_options(
&page.selection,
if let Choice::Color(ref color) = page.selection.active {
Some(color)
} else {
None
},
));
}
_ => (),
}
cosmic::widget::column::with_children(children)
.spacing(22)
.apply(Element::from)
.map(crate::pages::Message::DesktopWallpaper)
})
}
fn color_picker_window_settings(window_id: window::Id) -> SctkWindowSettings {
SctkWindowSettings {
window_id,
app_id: Some("com.system76.CosmicSettings".to_string()),
title: Some(fl!("color-picker")),
parent: Some(window::Id::MAIN),
autosize: false,
size_limits: layout::Limits::NONE
.min_width(300.0)
.max_width(800.0)
.min_height(520.0)
.max_height(520.0),
size: (300, 520),
resizable: Some(8.0),
client_decorations: true,
transparent: true,
..Default::default()
}
}
// TODO: Reuse with the appearance page
pub fn color_picker_view<Message: Clone + 'static>(
model: &ColorPickerModel,
on_drag: Message,
on_message: fn(ColorPickerUpdate) -> Message,
) -> Element<Message> {
let header = cosmic::widget::header_bar()
.title(fl!("color-picker"))
.on_close(on_message(ColorPickerUpdate::AppliedColor))
.on_drag(on_drag);
let content = cosmic::widget::container(
model
.builder(on_message)
.width(Length::Fixed(254.0))
.height(Length::Fixed(174.0))
.reset_label(fl!("reset-to-default"))
.build(
fl!("recent-colors"),
fl!("copy-to-clipboard"),
fl!("copied-to-clipboard"),
),
)
.width(Length::Fill)
.height(Length::Fill)
.center_x()
.style(cosmic::theme::style::Container::Background);
cosmic::widget::column::with_capacity(2)
.push(header)
.push(content)
.width(Length::Fill)
.height(Length::Fill)
.align_items(cosmic::iced_core::Alignment::Center)
.apply(Element::from)
}
enum DialogResponse {
Error(String),
Path(PathBuf),
}
fn dialog_response(result: Arc<Result<Url, file_chooser::Error>>) -> DialogResponse {
let Some(result) = Arc::into_inner(result) else {
return DialogResponse::Error(String::from("Arc::into_inner returned None"));
};
let selection = match result {
Ok(response) => response,
Err(why) => {
let mut source: &dyn std::error::Error = &why;
let mut string = format!("open dialog subscription errored\n cause: {source}");
while let Some(new_source) = source.source() {
string.push_str(&format!("\n cause: {new_source}"));
source = new_source;
}
return DialogResponse::Error(string);
}
};
let Ok(path) = selection.to_file_path() else {
return DialogResponse::Error(format!("not a valid file path: {}", selection.path()));
};
DialogResponse::Path(path)
}