waycast/src/main.rs

350 lines
11 KiB
Rust

use gio::prelude::*;
use gtk::gdk::Texture;
use gtk::gdk_pixbuf::Pixbuf;
use gtk::prelude::*;
use gtk::{
Application, ApplicationWindow, Box as GtkBox, Entry, EventControllerKey, IconTheme, Image,
Label, ListBox, Orientation, ScrolledWindow, SearchEntry,
};
use gtk4_layer_shell as layerShell;
use layerShell::LayerShell;
use std::cell::RefCell;
use std::path::PathBuf;
use std::rc::Rc;
use waycast::{LauncherListItem, LauncherPlugin, drun, plugins};
struct AppModel {
window: ApplicationWindow,
list_box: ListBox,
entries: Vec<Box<dyn LauncherListItem>>,
plugins: Vec<Box<dyn LauncherPlugin>>,
}
struct ListItem {
text: String,
icon: String,
}
impl ListItem {
fn new(text: String, icon: String) -> Self {
Self { text, icon }
}
fn create_widget(&self) -> GtkBox {
let container = GtkBox::new(Orientation::Horizontal, 10);
let display = gtk::gdk::Display::default().unwrap();
let icon_theme = gtk::IconTheme::for_display(&display);
let icon_size = 48;
let image: gtk::Image;
if let Some(icon_path) = find_icon_file(&self.icon, "48", &icon_theme) {
image = match Pixbuf::from_file_at_scale(icon_path, icon_size, icon_size, true) {
Ok(pb) => {
let tex = Texture::for_pixbuf(&pb);
gtk::Image::from_paintable(Some(&tex))
}
Err(e) => {
eprintln!("err: {}", e);
Image::from_icon_name("application-x-executable")
}
}
} else {
let default = find_icon_file("vscode", "48", &icon_theme).unwrap();
image = gtk::Image::from_file(default);
}
image.set_pixel_size(icon_size);
// image.set_icon_name(Some("application-x-executable")); // Safe fallback
let label = Label::new(Some(&self.text));
label.set_xalign(0.0);
container.append(&image);
container.append(&label);
container
}
}
impl AppModel {
fn new(app: &Application) -> Rc<RefCell<AppModel>> {
let window = ApplicationWindow::builder()
.application(app)
.title("Waycast")
.default_width(800)
.default_height(500)
.resizable(false)
.build();
let main_box = GtkBox::new(Orientation::Vertical, 0);
let search_input = SearchEntry::new();
search_input.set_placeholder_text(Some("Search..."));
let scrolled_window = ScrolledWindow::new();
scrolled_window.set_min_content_height(300);
let list_box = ListBox::new();
list_box.set_vexpand(true);
list_box.set_can_focus(true);
list_box.set_activate_on_single_click(false);
scrolled_window.set_child(Some(&list_box));
main_box.append(&search_input);
main_box.append(&scrolled_window);
window.set_child(Some(&main_box));
// Set up layer shell so the launcher can float
window.init_layer_shell();
let edges = [
layerShell::Edge::Top,
layerShell::Edge::Bottom,
layerShell::Edge::Left,
layerShell::Edge::Right,
];
for edge in edges {
window.set_anchor(edge, false);
}
window.set_keyboard_mode(layerShell::KeyboardMode::OnDemand);
window.set_layer(layerShell::Layer::Top);
let entries: Vec<Box<dyn LauncherListItem>> = Vec::new();
let plugins: Vec<Box<dyn LauncherPlugin>> = vec![Box::from(plugins::drun::DrunPlugin {})];
let model: Rc<RefCell<AppModel>> = Rc::new(RefCell::new(AppModel {
window,
list_box: list_box.clone(),
entries,
plugins,
}));
// Populate the list
model.borrow_mut().populate_list();
// Set initial focus to search input so user can start typing immediately
search_input.grab_focus();
// Set up SearchEntry to capture keys from the window for proper navigation
search_input.set_key_capture_widget(Some(&model.borrow().window));
// Connect search input signal
let model_clone = model.clone();
search_input.connect_changed(move |entry| {
let query = entry.text().to_string();
println!("query: {query}");
model_clone.borrow_mut().filter_list(&query);
});
// Connect search navigation signals
let list_box_clone_for_next = list_box.clone();
let list_box_clone_for_prev = list_box.clone();
search_input.connect_next_match(move |_| {
if let Some(selected_row) = list_box_clone_for_next.selected_row() {
let index = selected_row.index();
if let Some(next_row) = list_box_clone_for_next.row_at_index(index + 1) {
list_box_clone_for_next.select_row(Some(&next_row));
}
} else if let Some(first_row) = list_box_clone_for_next.row_at_index(0) {
list_box_clone_for_next.select_row(Some(&first_row));
}
});
search_input.connect_previous_match(move |_| {
if let Some(selected_row) = list_box_clone_for_prev.selected_row() {
let index = selected_row.index();
if index > 0 {
if let Some(prev_row) = list_box_clone_for_prev.row_at_index(index - 1) {
list_box_clone_for_prev.select_row(Some(&prev_row));
}
}
}
});
// Add ESC key handler to close window
let key_controller = EventControllerKey::new();
let window_clone = model.borrow().window.clone();
key_controller.connect_key_pressed(move |_controller, keyval, _keycode, _state| {
if keyval == gtk::gdk::Key::Escape {
window_clone.close();
gtk::glib::Propagation::Stop
} else {
gtk::glib::Propagation::Proceed
}
});
model.borrow().window.add_controller(key_controller);
// Connect row activation signal to launch app and close launcher
let model_clone_2 = model.clone();
list_box.connect_row_activated(move |_, row| {
let index = row.index() as usize;
let model_ref = model_clone_2.borrow();
if let Some(entry) = model_ref.entries.get(index) {
println!("Launching app: {}", entry.title());
match entry.execute() {
Ok(_) => {
println!("App launched successfully, closing launcher");
// Close the launcher window after successful launch
model_ref.window.close();
}
Err(e) => {
eprintln!("Failed to launch app: {:?}", e);
}
}
}
});
model
}
fn clear_list_ui(&self) {
while let Some(child) = self.list_box.first_child() {
self.list_box.remove(&child);
}
}
fn render_list(&self) {
self.clear_list_ui();
for entry in &self.entries {
let list_item = ListItem::new(entry.title(), entry.icon());
let widget = list_item.create_widget();
self.list_box.append(&widget);
}
// Always select the first item if available
if let Some(first_row) = self.list_box.row_at_index(0) {
self.list_box.select_row(Some(&first_row));
}
}
fn populate_list(&mut self) {
self.entries.clear();
for plugin in &self.plugins {
for entry in plugin.default_list() {
self.entries.push(entry);
}
}
self.render_list();
}
fn filter_list(&mut self, query: &str) {
self.entries.clear();
for plugin in &self.plugins {
for entry in plugin.filter(query) {
self.entries.push(entry);
}
}
self.render_list();
}
fn show(&self) {
self.window.present();
}
}
fn find_icon_file(
icon_name: &str,
size: &str,
icon_theme: &IconTheme,
) -> Option<std::path::PathBuf> {
let pixmap_paths: Vec<PathBuf> = icon_theme
.search_path()
.into_iter()
.filter(|p| p.to_string_lossy().contains("pixmap"))
.collect();
let search_paths: Vec<PathBuf> = icon_theme
.search_path()
.into_iter()
.filter(|p| p.to_string_lossy().contains("icons"))
.collect();
let sizes = [size, "scalable"];
let categories = ["apps", "applications", "mimetypes"];
let extensions = ["svg", "png", "xpm"];
// Build the search paths
let mut search_in: Vec<PathBuf> = Vec::new();
// Do all the theme directories first and high color second
for base in &search_paths {
for size in sizes {
for cat in &categories {
let path = base
.join(icon_theme.theme_name())
.join(if !(size == "scalable".to_string()) {
format!("{}x{}", size, size)
} else {
size.to_string()
})
.join(cat);
if path.exists() {
search_in.push(path);
}
}
}
}
for base in &search_paths {
for size in sizes {
for cat in &categories {
let path = base
.join("hicolor")
.join(if !(size == "scalable".to_string()) {
format!("{}x{}", size, size)
} else {
size.to_string()
})
.join(cat);
if path.exists() {
search_in.push(path);
}
}
}
}
// Last resort, search pixmaps directly (no subdirectories)
for base in &pixmap_paths {
if !base.exists() {
continue;
}
for ext in &extensions {
let direct_icon = base.join(format!("{}.{}", icon_name, ext));
if direct_icon.exists() {
return Some(direct_icon);
}
}
}
for s in &search_in {
for ext in &extensions {
let icon_path = s.join(format!("{}.{}", icon_name, ext));
if icon_path.exists() {
return Some(icon_path);
}
}
}
None
}
fn main() {
let app = Application::builder()
.application_id("dev.thegrind.waycast")
.build();
app.connect_activate(|app| {
let model = AppModel::new(app);
model.borrow().show();
});
app.run();
// gtk::init().expect("Failed to init GTK");
// let display = gtk::gdk::Display::default().unwrap();
// let icon_theme = gtk::IconTheme::for_display(&display);
// println!("Current icon theme: {:?}", icon_theme.theme_name());
// for p in icon_theme.search_path() {
// println!("{}", p.to_string_lossy());
// }
}