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Merge branch 'launcher/searchentry' into launcher/clear-listbox

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This commit is contained in:
Eduardo Flores 2021-11-24 18:01:01 -07:00
commit 38bca9d5ad
3 changed files with 152 additions and 198 deletions
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76
examples/launcher/ipc.rs
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@ -1,76 +0,0 @@
use pop_launcher::{Request, Response};
use std::io::{self, BufRead, Write};
use std::process;
pub struct LauncherIpc {
child: process::Child,
stdin: process::ChildStdin,
stdout: io::BufReader<process::ChildStdout>,
exited: bool,
}
impl LauncherIpc {
pub fn new() -> io::Result<Self> {
let mut child = process::Command::new("pop-launcher")
.stdin(process::Stdio::piped())
.stdout(process::Stdio::piped())
.spawn()?;
let stdin = child.stdin.take().ok_or(io::Error::new(
io::ErrorKind::Other,
"failed to find child stdin",
))?;
let stdout = io::BufReader::new(child.stdout.take().ok_or(io::Error::new(
io::ErrorKind::Other,
"failed to find child stdout",
))?);
Ok(Self {
child,
stdin,
stdout,
exited: false,
})
}
fn send_request(&mut self, request: Request) -> io::Result<()> {
let mut request_json = serde_json::to_string(&request)
.map_err(|err| io::Error::new(io::ErrorKind::InvalidInput, err))?;
request_json.push('\n');
self.stdin.write_all(request_json.as_bytes())
}
fn recv_response(&mut self) -> io::Result<Response> {
let mut response_json = String::new();
self.stdout.read_line(&mut response_json)?;
serde_json::from_str(&response_json)
.map_err(|err| io::Error::new(io::ErrorKind::InvalidData, err))
}
pub fn request(&mut self, request: Request) -> io::Result<Response> {
self.send_request(request)?;
self.recv_response()
}
//TODO: better exit implementation
pub fn exit(&mut self) -> io::Result<Option<process::ExitStatus>> {
if !self.exited {
self.send_request(Request::Exit)?;
let status = self.child.wait()?;
self.exited = true;
Ok(Some(status))
} else {
Ok(None)
}
}
}
impl Drop for LauncherIpc {
fn drop(&mut self) {
match self.exit() {
Ok(_) => (),
Err(err) => eprintln!("LauncherIpc::drop failed: {}", err),
}
}
}

262
examples/launcher/main.rs
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@ -1,13 +1,11 @@
use gtk4 as gtk;
use gtk::prelude::*;
use gtk4::Application;
use libcosmic::x;
use std::{cell::RefCell, rc::Rc};
use gtk4::glib::Type;
use self::ipc::LauncherIpc;
mod ipc;
use pop_launcher_service::IpcClient;
use postage::mpsc::Sender;
use postage::prelude::*;
fn icon_source(icon: &gtk::Image, source: &Option<pop_launcher::IconSource>) {
match source {
@ -23,124 +21,152 @@ fn icon_source(icon: &gtk::Image, source: &Option<pop_launcher::IconSource>) {
}
}
enum Event {
Response(pop_launcher::Response),
Search(String),
}
fn spawn_launcher(mut tx: Sender<Event>) -> IpcClient {
let (launcher, responses) =
pop_launcher_service::IpcClient::new().expect("failed to connect to launcher service");
glib::MainContext::default().spawn_local(async move {
use futures::StreamExt;
futures::pin_mut!(responses);
while let Some(event) = responses.next().await {
let _ = tx.send(Event::Response(event)).await;
}
});
launcher
}
fn main() {
let app = gtk::Application::builder()
.application_id("com.system76.Launcher")
.build();
app.connect_activate(move |app| build_ui(app));
app.connect_activate(move |app| {
let (tx, mut rx) = postage::mpsc::channel(1);
let mut launcher = spawn_launcher(tx.clone());
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::SearchEntry::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 search_changed = glib::clone!(@strong tx => move |search: &gtk::SearchEntry| {
let search = search.text().to_string();
let mut tx = tx.clone();
glib::MainContext::default().spawn_local(async move {
let _ = tx.send(Event::Search(search)).await;
});
});
search_changed(&search);
search.connect_changed(search_changed);
}
// 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()],
);
}
}
});
window.show();
glib::MainContext::default().spawn_local(async move {
while let Some(event) = rx.recv().await {
match event {
Event::Search(search) => {
//TODO: is this the best way to clear a listbox?
while let Some(child) = listbox.last_child() {
listbox.remove(&child);
}
let _ = launcher.send(pop_launcher::Request::Search(search)).await;
}
Event::Response(event) => {
if let pop_launcher::Response::Update(results) = event {
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);
}
}
}
}
}
});
});
app.run();
}
fn build_ui(app: &Application) {
let launcher = Rc::new(RefCell::new(
LauncherIpc::new().expect("failed to connect to launcher service"),
));
let window = gtk::ApplicationWindow::builder()
.application(app)
.decorated(false)
.default_width(590)
.default_height(150)
.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::SearchEntry::new();
search.set_placeholder_text(Some(" Type to search apps, or type '?' for more options."));
vbox.append(&search);
{
let launcher = launcher.clone();
let search_changed = move |search: &gtk::SearchEntry| {
let listbox_widget = vbox.last_child().unwrap();
let gtk_list_box = Type::from_name("GtkListBox");
if gtk_list_box.is_some() && listbox_widget.type_() == gtk_list_box.unwrap() {
vbox.remove(&listbox_widget);
}
let listbox = gtk::ListBox::new();
vbox.append(&listbox);
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();
}