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refactor: use template for window

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This commit is contained in:
Ashley Wulber 2021-12-01 09:07:26 -05:00
parent 22f4384707
commit fba59c5290
4 changed files with 150 additions and 322 deletions
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269
examples/launcher/main.rs
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@ -1,22 +1,28 @@
mod application_object;
mod application_row;
use gio::DesktopAppInfo;
use gtk4 as gtk;
use gtk4::SliceListModel;
mod window;
use gdk4::Display;
use gio::DesktopAppInfo;
use gtk::Application;
use gtk4 as gtk;
use gtk4::CssProvider;
use gtk4::StyleContext;
use once_cell::sync::Lazy;
use std::sync::Mutex;
use cascade::cascade;
use gtk::gio;
use gtk::glib;
use gtk::prelude::*;
use gtk::{glib, ListView, SignalListItemFactory, SingleSelection};
use libcosmic::x;
use pop_launcher_service::IpcClient;
use postage::mpsc::Sender;
use postage::prelude::*;
use self::application_object::ApplicationObject;
use self::application_row::ApplicationRow;
use self::window::Window;
const NUM_LAUNCHER_ITEMS: u8 = 10;
static TX: Lazy<Mutex<Option<Sender<Event>>>> = Lazy::new(|| Mutex::new(None));
fn icon_source(icon: &gtk::Image, source: &Option<pop_launcher::IconSource>) {
match source {
@ -32,7 +38,7 @@ fn icon_source(icon: &gtk::Image, source: &Option<pop_launcher::IconSource>) {
}
}
enum Event {
pub enum Event {
Response(pop_launcher::Response),
Search(String),
Activate(u32),
@ -53,200 +59,85 @@ fn spawn_launcher(mut tx: Sender<Event>) -> IpcClient {
launcher
}
fn setup_shortcuts(app: &Application) {
//quit shortcut
app.set_accels_for_action("win.quit", &["<primary>W", "Escape"]);
//launch shortcuts
for i in 1..NUM_LAUNCHER_ITEMS {
app.set_accels_for_action(&format!("win.launch{}", i), &[&format!("<primary>{}", i)]);
}
}
fn load_css() {
// Load the css file and add it to the provider
let provider = CssProvider::new();
provider.load_from_data(include_bytes!("style.css"));
// Add the provider to the default screen
StyleContext::add_provider_for_display(
&Display::default().expect("Error initializing GTK CSS provider."),
&provider,
gtk::STYLE_PROVIDER_PRIORITY_APPLICATION,
);
}
fn main() {
let app = gtk::Application::builder()
.application_id("com.system76.Launcher")
.build();
app.connect_startup(|app| {
setup_shortcuts(app);
load_css()
});
app.connect_activate(move |app| {
let (tx, mut rx) = postage::mpsc::channel(1);
let mut launcher = spawn_launcher(tx.clone());
//quit shortcut
app.set_accels_for_action("win.quit", &["<primary>W", "Escape"]);
//launch shortcuts
for i in 1..10 {
app.set_accels_for_action(&format!("win.launch{}", i), &[&format!("<primary>{}", i)]);
}
let window = gtk::ApplicationWindow::builder()
.application(app)
.decorated(false)
.default_width(600)
.default_height(440)
.title("Launcher")
.resizable(false)
.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 model = gio::ListStore::new(ApplicationObject::static_type());
let factory = SignalListItemFactory::new();
factory.connect_setup(move |_, list_item| {
let row = ApplicationRow::new();
list_item.set_child(Some(&row))
});
factory.connect_bind(move |_, list_item| {
let application_object = list_item
.item()
.expect("The item has to exist.")
.downcast::<ApplicationObject>()
.expect("The item has to be an `ApplicationObject`");
let row = list_item
.child()
.expect("The list item child needs to exist.")
.downcast::<ApplicationRow>()
.expect("The list item type needs to be `ApplicationRow`");
if list_item.position() < 9 {
row.set_shortcut(list_item.position() + 1);
}
row.set_app_info(application_object);
});
let slice_model = SliceListModel::new(Some(&model), 0, NUM_LAUNCHER_ITEMS.into());
let selection_model = SingleSelection::new(Some(&slice_model));
let list_view = ListView::new(Some(&selection_model), Some(&factory));
let scroll = cascade! {
gtk::ScrolledWindow::new();
..set_min_content_height(400);
..set_max_content_height(700);
..set_propagate_natural_height(true);
..set_vexpand(true);
..set_policy(gtk::PolicyType::Never, gtk::PolicyType::Automatic);
};
scroll.set_child(Some(&list_view));
vbox.append(&scroll);
for i in 1..10 {
let action_launchi = gio::SimpleAction::new(&format!("launch{}", i), None);
window.add_action(&action_launchi);
action_launchi.connect_activate(
glib::clone!(@weak list_view, @strong tx => move |_action, _parameter| {
println!("acitvating... {}", i);
let model = list_view.model().unwrap();
let app_info = model.item(i - 1);
if app_info.is_none() {
println!("oops no app for this row...");
return;
}
if let Ok(id)= app_info.unwrap().property("id") {
let id = id.get::<u32>().expect("App ID must be u32");
let mut tx = tx.clone();
glib::MainContext::default().spawn_local(async move {
let _ = tx.send(Event::Activate(id)).await;
});
}
}),
);
}
list_view.connect_activate(glib::clone!(@strong tx => move |list_view, i| {
println!("acitvating... {}", i + 1);
let model = list_view.model().unwrap();
let app_info = model.item(i);
if app_info.is_none() {
println!("oops no app for this row...");
return;
}
if let Ok(id)= app_info.unwrap().property("id") {
let id = id.get::<u32>().expect("App ID must be u32");
let mut tx = tx.clone();
glib::MainContext::default().spawn_local(async move {
let _ = tx.send(Event::Activate(id)).await;
});
}
}));
{
let search_changed = glib::clone!(@strong tx => move |search: &gtk::Entry| {
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);
let mut global_tx = TX.lock().unwrap();
*global_tx = Some(tx.clone());
}
// 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");
}
});
let action_quit = gio::SimpleAction::new("quit", None);
action_quit.connect_activate(glib::clone!(@weak window => move |_, _| {
window.close();
}));
window.add_action(&action_quit);
window.connect_is_active_notify(|win| {
if !win.is_active() {
win.close();
}
});
let window = Window::new(app);
let wclone = window.clone();
window.show();
glib::MainContext::default().spawn_local(async move {
while let Some(event) = rx.recv().await {
match event {
Event::Search(search) => {
let _ = launcher.send(pop_launcher::Request::Search(search)).await;
}
Event::Activate(index) => {
let _ = launcher.send(pop_launcher::Request::Activate(index)).await;
}
Event::Response(event) => {
if let pop_launcher::Response::Update(results) = event {
let model_len = model.n_items();
dbg!(&results);
let new_results: Vec<glib::Object> = results
[0..std::cmp::min(results.len(), NUM_LAUNCHER_ITEMS.into())]
.iter()
.map(|result| ApplicationObject::new(result).upcast())
.collect();
model.splice(0, model_len, &new_results[..]);
} else if let pop_launcher::Response::DesktopEntry {
path,
gpu_preference: _gpu_preference, // TODO use GPU preference when launching app
} = event
{
let app_info =
DesktopAppInfo::new(&path.file_name().expect("desktop entry path needs to be a valid filename").to_string_lossy())
.expect("failed to create a Desktop App info for launching the application.");
app_info
.launch(&[], Some(&window.display().app_launch_context().clone())).expect("failed to launch the application.");
}
}
}
}
})
glib::MainContext::default().spawn_local(async move {
while let Some(event) = rx.recv().await {
match event {
Event::Search(search) => {
let _ = launcher.send(pop_launcher::Request::Search(search)).await;
}
Event::Activate(index) => {
let _ = launcher.send(pop_launcher::Request::Activate(index)).await;
}
Event::Response(event) => {
if let pop_launcher::Response::Update(results) = event {
let model = window.model();
let model_len = model.n_items();
dbg!(&results);
let new_results: Vec<glib::Object> = results
[0..std::cmp::min(results.len(), NUM_LAUNCHER_ITEMS.into())]
.iter()
.map(|result| ApplicationObject::new(result).upcast())
.collect();
model.splice(0, model_len, &new_results[..]);
} else if let pop_launcher::Response::DesktopEntry {
path,
gpu_preference: _gpu_preference, // TODO use GPU preference when launching app
} = event
{
let app_info =
DesktopAppInfo::new(&path.file_name().expect("desktop entry path needs to be a valid filename").to_string_lossy())
.expect("failed to create a Desktop App info for launching the application.");
app_info
.launch(&[], Some(&wclone.display().app_launch_context().clone())).expect("failed to launch the application.");
}
}
}
}
})
});
app.run();