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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
View file

@ -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();

0
examples/launcher/style.css Normal file
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202
examples/launcher/window/mod.rs
View file

@ -1,5 +1,8 @@
mod imp;
use crate::ApplicationObject;
use crate::TX;
use gtk4 as gtk;
use postage::prelude::Sink;
use crate::application_row::ApplicationRow;
use glib::Object;
@ -17,51 +20,29 @@ glib::wrapper! {
gtk::ConstraintTarget, gtk::Native, gtk::Root, gtk::ShortcutManager;
}
const NUM_LAUNCHER_ITEMS: u8 = 9;
impl Window {
pub fn new(app: &Application) -> Self {
//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)]);
}
Object::new(&[("application", app)]).expect("Failed to create `Window`.")
let self_: Self = Object::new(&[("application", app)]).expect("Failed to create `Window`.");
self_
}
fn model(&self) -> &gio::ListStore {
pub fn model(&self) -> &gio::ListStore {
// Get state
let imp = imp::Window::from_instance(self);
imp.model.get().expect("Could not get model")
}
fn setup_model(&self) {
// Create new model
let model = gio::ListStore::new(gio::AppInfo::static_type());
gio::AppInfo::all().iter().for_each(|app_info| {
model.append(app_info);
});
// Get state and set model
let imp = imp::Window::from_instance(self);
imp.model.set(model.clone()).expect("Could not set model");
let model = gio::ListStore::new(ApplicationObject::static_type());
// A sorter used to sort AppInfo in the model by their name
let sorter = gtk::CustomSorter::new(move |obj1, obj2| {
let app_info1 = obj1.downcast_ref::<gio::AppInfo>().unwrap();
let app_info2 = obj2.downcast_ref::<gio::AppInfo>().unwrap();
app_info1
.name()
.to_lowercase()
.cmp(&app_info2.name().to_lowercase())
.into()
});
let filter = gtk::CustomFilter::new(|_obj| true);
let filter_model = gtk::FilterListModel::new(Some(&model), Some(filter).as_ref());
let sorted_model = gtk::SortListModel::new(Some(&filter_model), Some(&sorter));
let slice_model = gtk::SliceListModel::new(Some(&sorted_model), 0, 9);
let slice_model = gtk::SliceListModel::new(Some(&model), 0, NUM_LAUNCHER_ITEMS.into());
let selection_model = gtk::SingleSelection::new(Some(&slice_model));
imp.model.set(model).expect("Could not set model");
// Wrap model with selection and pass it to the list view
imp.list_view.set_model(Some(&selection_model));
}
@ -71,118 +52,75 @@ impl Window {
let imp = imp::Window::from_instance(self);
let window = self.clone().upcast::<gtk::Window>();
let list_view = &imp.list_view;
let sorted_model = list_view
.model()
.expect("List view missing selection model")
.downcast::<gtk::SingleSelection>()
.expect("could not downcast listview model to single selection model")
.model()
.downcast::<gtk::SliceListModel>()
.expect("could not downcast single selection model to slice list model.")
.model()
.expect("sorted list model is missing from slice list model")
.downcast::<gtk::SortListModel>()
.expect("sorted list model could not be downcast");
let filter_model = sorted_model
.model()
.expect("missing model for sort list model.")
.downcast::<gtk::FilterListModel>()
.expect("could not downcast sort list model to filter list model");
let entry = &imp.entry;
let lv = list_view.get();
for i in 1..10 {
let action_launchi = gio::SimpleAction::new(&format!("launch{}", i), None);
self.add_action(&action_launchi);
let context = list_view.display().app_launch_context().clone();
let parent_window = list_view.root().unwrap().downcast::<gtk::Window>().unwrap();
action_launchi.connect_activate(glib::clone!(@weak lv => move |_action, _parameter| {
println!("acitvating... {}", i);
let model = lv.model().unwrap();
let app_info = model.item(i - 1);
if app_info.is_none() {
println!("oops no app for this row...");
return;
}
let app_info = app_info.unwrap().downcast::<gio::AppInfo>().unwrap();
if let Err(err) = app_info.launch(&[], Some(&context)) {
if let Ok(id)= app_info.unwrap().property("id") {
let id = id.get::<u32>().expect("App ID must be u32");
gtk::MessageDialog::builder()
.text(&format!("Failed to start {}", app_info.name()))
.secondary_text(&err.to_string())
.message_type(gtk::MessageType::Error)
.modal(true)
.transient_for(&parent_window)
.build()
.show();
println!("oops launch failed")
glib::MainContext::default().spawn_local(async move {
if let Ok(tx) = TX.lock() {
if let Some(tx) = &*tx {
let _ = tx.clone().send(crate::Event::Activate(id)).await;
}}
});
}
println!("{}", i-1);
}));
}
// Launch the application when an item of the list is activated
list_view.connect_activate(move |list_view, position| {
list_view.connect_activate(move |list_view, i| {
println!("acitvating... {}", i + 1);
let model = list_view.model().unwrap();
let app_info = model
.item(position)
.unwrap()
.downcast::<gio::AppInfo>()
.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 context = list_view.display().app_launch_context();
if let Err(err) = app_info.launch(&[], Some(&context)) {
let parent_window = list_view.root().unwrap().downcast::<gtk::Window>().unwrap();
gtk::MessageDialog::builder()
.text(&format!("Failed to start {}", app_info.name()))
.secondary_text(&err.to_string())
.message_type(gtk::MessageType::Error)
.modal(true)
.transient_for(&parent_window)
.build()
.show();
glib::MainContext::default().spawn_local(async move {
if let Ok(tx) = TX.lock() {
if let Some(tx) = &*tx {
let _ = tx.clone().send(crate::Event::Activate(id)).await;
}
}
});
}
});
entry.connect_changed(
glib::clone!(@weak filter_model, @weak sorted_model => move |search: &gtk::Entry| {
let search_text = search.text().to_string().to_lowercase();
let new_filter: gtk::CustomFilter = gtk::CustomFilter::new(move |obj| {
let search_res = obj.downcast_ref::<gio::AppInfo>()
.expect("The Object needs to be of type AppInfo");
search_res.name().to_string().to_lowercase().contains(&search_text)
});
let search_text = search.text().to_string().to_lowercase();
let new_sorter: gtk::CustomSorter = gtk::CustomSorter::new(move |obj1, obj2| {
let app_info1 = obj1.downcast_ref::<gio::AppInfo>().unwrap();
let app_info2 = obj2.downcast_ref::<gio::AppInfo>().unwrap();
if search_text == "" {
return app_info1
.name()
.to_lowercase()
.cmp(&app_info2.name().to_lowercase())
.into();
}
entry.connect_changed(move |search: &gtk::Entry| {
let search = search.text().to_string();
let i_1 = app_info1.name().to_lowercase().find(&search_text);
let i_2 = app_info2.name().to_lowercase().find(&search_text);
match (i_1, i_2) {
(Some(i_1), Some(i_2)) => i_1.cmp(&i_2).into(),
(Some(_), None) => std::cmp::Ordering::Less.into(),
(None, Some(_)) => std::cmp::Ordering::Greater.into(),
_ => app_info1
.name()
.to_lowercase()
.cmp(&app_info2.name().to_lowercase())
.into()
glib::MainContext::default().spawn_local(async move {
if let Ok(tx) = TX.lock() {
if let Some(tx) = &*tx {
let _ = tx.clone().send(crate::Event::Search(search)).await;
}
});
}
});
});
filter_model.set_filter(Some(new_filter).as_ref());
sorted_model.set_sorter(Some(new_sorter).as_ref());
}),
);
entry.connect_realize(move |search: &gtk::Entry| {
let search = search.text().to_string();
glib::MainContext::default().spawn_local(async move {
if let Ok(tx) = TX.lock() {
if let Some(tx) = &*tx {
let _ = tx.clone().send(crate::Event::Search(search)).await;
}
}
});
});
window.connect_realize(move |window| {
if let Some((display, surface)) = x::get_window_x11(window) {
@ -215,28 +153,26 @@ impl Window {
fn setup_factory(&self) {
let factory = SignalListItemFactory::new();
factory.connect_setup(move |_factory, item| {
factory.connect_setup(move |_, list_item| {
let row = ApplicationRow::new();
item.set_child(Some(&row));
list_item.set_child(Some(&row))
});
// the bind stage is used for "binding" the data to the created widgets on the "setup" stage
factory.connect_bind(move |_factory, list_item| {
let app_info = list_item
factory.connect_bind(move |_, list_item| {
let application_object = list_item
.item()
.unwrap()
.downcast::<gio::AppInfo>()
.unwrap();
let child = list_item
.expect("The item has to exist.")
.downcast::<ApplicationObject>()
.expect("The item has to be an `ApplicationObject`");
let row = list_item
.child()
.unwrap()
.expect("The list item child needs to exist.")
.downcast::<ApplicationRow>()
.unwrap();
child.set_app_info(&app_info);
.expect("The list item type needs to be `ApplicationRow`");
if list_item.position() < 9 {
child.set_shortcut(list_item.position() + 1);
row.set_shortcut(list_item.position() + 1);
}
row.set_app_info(application_object);
});
// Set the factory of the list view
let imp = imp::Window::from_instance(self);

1
examples/launcher/window/window.ui
View file

@ -4,6 +4,7 @@
<property name="width-request">600</property>
<property name="title">Gtk Pop Launcher</property>
<property name="decorated">false</property>
<property name="resizable">false</property>
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>