libcosmic/examples/launcher/main.rs
2021-11-16 11:44:08 -07:00

146 lines
4.8 KiB
Rust

use gtk4 as gtk;
use gtk::prelude::*;
use libcosmic::x;
use std::{
cell::RefCell,
rc::Rc,
};
use self::ipc::LauncherIpc;
mod ipc;
fn icon_source(icon: &gtk::Image, source: &Option<pop_launcher::IconSource>) {
match source {
Some(pop_launcher::IconSource::Name(name)) => {
icon.set_from_icon_name(Some(name));
},
Some(pop_launcher::IconSource::Mime(content_type)) => {
icon.set_from_gicon(
&gio::content_type_get_icon(content_type)
);
},
_ => {
icon.set_from_icon_name(None);
}
}
}
fn main() {
let launcher = Rc::new(RefCell::new(
LauncherIpc::new().expect("failed to connect to launcher service")
));
let app = gtk::Application::builder()
.application_id("com.system76.Launcher")
.build();
app.connect_activate(move |app| {
let window = gtk::ApplicationWindow::builder()
.application(app)
.decorated(false)
.default_width(480)
.default_height(440)
.title("Launcher")
.build();
let vbox = gtk::Box::new(gtk::Orientation::Vertical, 16);
vbox.set_margin_start(16);
vbox.set_margin_end(16);
vbox.set_margin_top(16);
vbox.set_margin_bottom(16);
window.set_child(Some(&vbox));
let search = gtk::Entry::new();
search.set_placeholder_text(Some(" Type to search apps, or type '?' for more options."));
vbox.append(&search);
let listbox = gtk::ListBox::new();
vbox.append(&listbox);
{
let launcher = launcher.clone();
let search_changed = move |search: &gtk::Entry| {
//TODO: is this the best way to clear a listbox?
while let Some(child) = listbox.last_child() {
listbox.remove(&child);
}
let response_res = launcher.borrow_mut().request(
pop_launcher::Request::Search(search.text().to_string())
);
println!("{:#?}", response_res);
if let Ok(pop_launcher::Response::Update(results)) = response_res {
for (i, result) in results.iter().enumerate() {
// Limit to 9 results
if i >= 9 { continue; }
let row = gtk::ListBoxRow::new();
listbox.append(&row);
// Select first row
if i == 0 {
listbox.select_row(Some(&row));
}
let hbox = gtk::Box::new(gtk::Orientation::Horizontal, 8);
hbox.set_margin_start(8);
hbox.set_margin_end(8);
hbox.set_margin_top(8);
hbox.set_margin_bottom(8);
row.set_child(Some(&hbox));
let category_icon = gtk::Image::new();
category_icon.set_pixel_size(16);
icon_source(&category_icon, &result.category_icon);
hbox.append(&category_icon);
let icon = gtk::Image::new();
icon.set_pixel_size(32);
icon_source(&icon, &result.icon);
hbox.append(&icon);
let labels = gtk::Box::new(gtk::Orientation::Vertical, 4);
hbox.append(&labels);
let name = gtk::Label::new(Some(&result.name));
name.set_halign(gtk::Align::Start);
labels.append(&name);
let description = gtk::Label::new(Some(&result.description));
description.set_halign(gtk::Align::Start);
labels.append(&description);
}
}
};
search.connect_changed(search_changed.clone());
search_changed(&search);
}
// Setting the window to dialog type must happen between realize and show. Dialog windows
// show up centered on the display with the cursor, so we do not have to set position
window.connect_realize(move |window| {
if let Some((display, surface)) = x::get_window_x11(window) {
unsafe {
x::change_property(
&display,
&surface,
"_NET_WM_WINDOW_TYPE",
x::PropMode::Replace,
&[x::Atom::new(&display, "_NET_WM_WINDOW_TYPE_DIALOG").unwrap()],
);
}
} else {
println!("failed to get X11 window");
}
});
window.show();
});
app.run();
}