implement stateful api for append action

src/app/browser/window.rs

@@ -33,15 +33,13 @@ impl Window {
         // Init components
         let tab = Rc::new(Tab::new(browser_action.clone(), action.clone()));
         let header = Header::new(browser_action, action.clone(), tab.widget().gobject());
-
-        // GTK
         let widget = Rc::new(Widget::new(header.gobject(), tab.widget().gobject()));
 
         // Init events
         action.append().connect_activate({
             let tab = tab.clone();
-            move || {
-                tab.append(None);
+            move |position, is_pinned, is_selected| {
+                tab.append(position, is_pinned, is_selected);
             }
         });
 

src/app/browser/window/action/append.rs

@@ -1,9 +1,14 @@
 use gtk::{
     gio::SimpleAction,
     glib::{uuid_string_random, GString},
-    prelude::ActionExt,
+    prelude::{ActionExt, ToVariant},
 };
 
+/// C-compatible variant type
+const DEFAULT_POSITION: i32 = -1;
+const DEFAULT_IS_PINNED: bool = false;
+const DEFAULT_IS_SELECTED: bool = true;
+
 /// [SimpleAction](https://docs.gtk.org/gio/class.SimpleAction.html) wrapper for `Append` action of `Window` group
 pub struct Append {
     gobject: SimpleAction,
@@ -12,26 +17,87 @@ pub struct Append {
 impl Append {
     // Constructors
 
-    /// Create new `Self`
+    /// Create new `Self` with default action state preset
     pub fn new() -> Self {
         Self {
-            gobject: SimpleAction::new(&uuid_string_random(), None),
+            gobject: SimpleAction::new_stateful(
+                &uuid_string_random(),
+                None,
+                &(DEFAULT_POSITION, DEFAULT_IS_PINNED, DEFAULT_IS_SELECTED).to_variant(),
+            ),
         }
     }
 
     // Actions
 
-    /// Emit [activate](https://docs.gtk.org/gio/signal.SimpleAction.activate.html) signal
-    pub fn activate(&self) {
+    /// Emit [activate](https://docs.gtk.org/gio/signal.SimpleAction.activate.html) signal with default state
+    /// * this action reset previous state for action after activation
+    pub fn activate_default_once(&self) {
+        // Save current state in memory
+        let (position, is_pinned, is_selected) = state(&self.gobject);
+
+        // Set default state
+        self.change_state(
+            Some(DEFAULT_POSITION),
+            DEFAULT_IS_PINNED,
+            DEFAULT_IS_SELECTED,
+        );
+
+        // Activate action
         self.gobject.activate(None);
+
+        // Return previous state
+        self.change_state(position, is_pinned, is_selected);
+    }
+
+    /// Emit [activate](https://docs.gtk.org/gio/signal.SimpleAction.activate.html) signal
+    /// * this action reset previous state for action after activation
+    pub fn activate_stateful_once(
+        &self,
+        position: Option<i32>,
+        is_pinned: bool,
+        is_selected: bool,
+    ) {
+        // Save current state in memory
+        let (_position, _is_pinned, _is_selected) = state(&self.gobject);
+
+        // Apply requested state
+        self.change_state(position, is_pinned, is_selected);
+
+        // Activate action
+        self.gobject.activate(None);
+
+        // Return previous state
+        self.change_state(_position, _is_pinned, _is_selected);
+    }
+
+    /// Emit state change for action
+    pub fn change_state(&self, position: Option<i32>, is_pinned: bool, is_selected: bool) {
+        self.gobject.change_state(
+            &(
+                // Convert Option to C-based variant value
+                if let Some(position) = position {
+                    position
+                } else {
+                    DEFAULT_POSITION
+                },
+                is_pinned,
+                is_selected,
+            )
+                .to_variant(),
+        );
     }
 
     // Events
 
     /// Define callback function for
     /// [SimpleAction::activate](https://docs.gtk.org/gio/signal.SimpleAction.activate.html) signal
-    pub fn connect_activate(&self, callback: impl Fn() + 'static) {
-        self.gobject.connect_activate(move |_, _| callback());
+    /// * return `position`, `is_pinned`, `is_selected` state as tuple
+    pub fn connect_activate(&self, callback: impl Fn(Option<i32>, bool, bool) + 'static) {
+        self.gobject.connect_activate(move |this, _| {
+            let (position, is_pinned, is_selected) = state(this);
+            callback(position, is_pinned, is_selected)
+        });
     }
 
     // Getters
@@ -46,3 +112,22 @@ impl Append {
         self.gobject.name()
     }
 }
+
+/// Shared helper to get C-based action state in Optional format
+pub fn state(this: &SimpleAction) -> (Option<i32>, bool, bool) {
+    let (position, is_pinned, is_selected) = this
+        .state()
+        .expect("Expected (`position`,`is_pinned`,`is_selected`) state")
+        .get::<(i32, bool, bool)>()
+        .expect("Parameter type does not match (`i32`,`bool`,`bool`) tuple");
+    (
+        // Convert from C-based variant value to Option
+        if position == DEFAULT_POSITION {
+            None
+        } else {
+            Some(position)
+        },
+        is_pinned,
+        is_selected,
+    )
+}

src/app/browser/window/header/bar/tab/append/widget.rs

@@ -18,7 +18,7 @@ impl Widget {
             .build();
 
         // Init events
-        gobject.connect_clicked(move |_| window_action.append().activate());
+        gobject.connect_clicked(move |_| window_action.append().activate_default_once());
 
         Self { gobject }
     }

src/app/browser/window/tab.rs

@@ -99,7 +99,7 @@ impl Tab {
     }
 
     // Actions
-    pub fn append(&self, position: Option<i32>) -> Rc<Item> {
+    pub fn append(&self, position: Option<i32>, is_pinned: bool, is_selected: bool) -> Rc<Item> {
         // Init new tab item
         let item = Rc::new(Item::new(
             self.widget.gobject(),
@@ -107,8 +107,8 @@ impl Tab {
             self.window_action.clone(),
             // Options
             position,
-            false,
-            true,
+            is_pinned,
+            is_selected,
         ));
 
         // Register dynamically created tab components in the HashMap index
@@ -305,7 +305,7 @@ impl Tab {
     pub fn init(&self) {
         // Append just one blank page if no tabs available after last session restore
         if self.index.borrow().is_empty() {
-            self.append(None);
+            self.append(None, false, true);
         }
 
         // @TODO other/child features..

src/app/browser/window/tab/item/page/content/text/gemini/reader.rs

@@ -288,7 +288,9 @@ impl Reader {
                             return match uri.scheme().as_str() {
                                 "gemini" => {
                                     // Open new page in browser
-                                    window_action.append().activate();
+                                    window_action
+                                        .append()
+                                        .activate_stateful_once(None, false, false);
                                 }
                                 // Scheme not supported, delegate
                                 _ => UriLauncher::new(&uri.to_str()).launch(