finalize scx page

src/build_ui/mod.rs

@@ -85,10 +85,6 @@ pub fn build_ui(app: &adw::Application) {
         ),
         Some("content_page"),
     );
-    content_stack.add_named(
-        &sched_ext::sched_ext_page(&content_stack, &window),
-        Some("sched_ext_page"),
-    );
 
     window_toolbar.add_top_bar(&window_headerbar);
     window_toolbar.add_top_bar(&window_banner);

src/content/mod.rs

@@ -1,4 +1,4 @@
-use crate::{kernel_pkg, KernelBranch, RunningKernelInfo};
+use crate::{kernel_pkg, KernelBranch, RunningKernelInfo, sched_ext};
 use adw::prelude::*;
 use adw::ExpanderRow;
 use async_channel::Receiver;
@@ -150,7 +150,11 @@ pub fn content(
         .build();
     config_kernel_button.add_css_class("circular");
 
-    config_kernel_button.connect_clicked(clone!(@weak content_stack => move |_| {
+    config_kernel_button.connect_clicked(clone!(@weak content_stack, @weak window => move |_| {
+            content_stack.add_named(
+        &sched_ext::sched_ext_page(&content_stack, &window),
+        Some("sched_ext_page"),
+    );
         content_stack.set_visible_child_name("sched_ext_page")
     }));
 

src/main.rs

@@ -12,6 +12,7 @@ use crate::gdk::Display;
 const APP_ID: &str = "com.github.cosmicfusion.fedora-kernel-manager";
 const PRETTY_NAME: &str = "Fedora Kernel Manager";
 
+#[derive(Clone)]
 struct RunningKernelInfo {
     kernel: String,
     version: String,

src/sched_ext/mod.rs

@@ -4,11 +4,12 @@ use adw::prelude::*;
 use glib::*;
 use gtk::prelude::*;
 use gtk::*;
-use std::{fs, io};
+use std::{fs, io, thread};
 use std::cell::RefCell;
 use std::fs::*;
 use std::process::Stdio;
 use std::rc::Rc;
+use std::time::Duration;
 use duct::cmd;
 use gtk::AccessibleRole::Command;
 
@@ -63,7 +64,7 @@ pub fn sched_ext_page(content_stack: &gtk::Stack, window: &adw::ApplicationWindo
         &kernel_badges_size_group1,
     );
 
-    let selected_scx_sched = Rc::new(RefCell::new(initial_running_kernel_info.sched));
+    let selected_scx_sched = Rc::new(RefCell::new(initial_running_kernel_info.clone().sched));
 
     let cmd_status_dialog = adw::MessageDialog::builder()
         .transient_for(window)
@@ -113,19 +114,21 @@ pub fn sched_ext_page(content_stack: &gtk::Stack, window: &adw::ApplicationWindo
 
     back_button.add_css_class("pill");
 
-    back_button.connect_clicked(clone!(@weak content_stack => move |_| {
-        content_stack.set_visible_child_name("content_page")
+    back_button.connect_clicked(clone!(@weak content_stack, @weak main_box => move |_| {
+        content_stack.set_visible_child_name("content_page");
+        content_stack.remove(&main_box);
     }));
 
     let apply_button = gtk::Button::builder()
         .halign(Align::End)
         .label("Apply Changes")
+        .sensitive(false)
         .build();
 
     apply_button.add_css_class("pill");
     apply_button.add_css_class("destructive-action");
 
-    apply_button.connect_clicked(clone! (@weak badge_box, @weak kernel_badges_size_group, @weak kernel_badges_size_group0, @weak kernel_badges_size_group1 => move |_| {
+    apply_button.connect_clicked(clone! (@weak badge_box, @weak kernel_badges_size_group, @weak kernel_badges_size_group0, @weak kernel_badges_size_group1, @weak selected_scx_sched => move |_| {
         let selected_scx_sched_clone1 = selected_scx_sched.borrow().clone();
 
         match change_scx_scheduler(&selected_scx_sched_clone1,
@@ -150,9 +153,34 @@ pub fn sched_ext_page(content_stack: &gtk::Stack, window: &adw::ApplicationWindo
     let cancel_button = gtk::Button::builder()
         .halign(Align::End)
         .label("Cancel Changes")
+        .sensitive(false)
         .build();
     cancel_button.add_css_class("pill");
 
+    //
+    let (loop0_sender, loop0_receiver) = async_channel::unbounded();
+    let loop0_sender = loop0_sender.clone();
+
+    std::thread::spawn(move || loop {
+        loop0_sender.send_blocking(false).expect("error on loop0");
+        thread::sleep(Duration::from_millis(100));
+    });
+
+    let loop0_context = MainContext::default();
+    // The main loop executes the asynchronous block
+    loop0_context.spawn_local(clone!(@weak apply_button, @weak cancel_button, @strong selected_scx_sched, @strong initial_running_kernel_info => async move {
+        while let Ok(_state) = loop0_receiver.recv().await {
+            if *selected_scx_sched.borrow() == initial_running_kernel_info.sched {
+                apply_button.set_sensitive(false);
+                cancel_button.set_sensitive(false);
+            } else {
+                apply_button.set_sensitive(true);
+                cancel_button.set_sensitive(true);
+            }
+        }
+    }));
+    //
+
     window_bottombar.append(&back_button);
     window_bottombar.append(&cancel_button);
     window_bottombar.append(&apply_button);