add a button to the image-page widget

data/resources/ui/image-page.ui

@@ -19,12 +19,14 @@
         <property name="margin-top">12</property>
         <property name="margin-start">12</property>
         <property name="margin-end">12</property>
+        
         <child>
           <object class="GtkPicture" id="picture">
             <property name="can-shrink">false</property>
             <property name="content-fit">contain</property>
           </object>
         </child>
+
         <child>
           <object class="GtkLabel" id="head_label">
             <property name="label" bind-source="ImagePageWidget" bind-property="head" />
@@ -36,6 +38,7 @@
             </style>
           </object>
         </child>
+
         <child>
           <object class="GtkLabel">
             <property name="label" bind-source="ImagePageWidget" bind-property="body" />
@@ -49,6 +52,34 @@
             </style>
           </object>
         </child>
+
+        <child>
+          <object class="GtkButton" id="action_button">
+            <property name="visible">false</property>
+            <property name="halign">center</property>
+            <style>
+              <class name="suggested-action, pill" />
+            </style>
+            <child>
+              <object class="GtkBox">
+                <property name="orientation">horizontal</property>
+                <property name="spacing">6</property>
+                <child>
+                  <object class="GtkImage" id="button_icon_widget">
+                    <property name="visible">false</property>
+                    <property name="icon-name" bind-source="ImagePageWidget" bind-property="button-icon" />
+                    <property name="pixel-size">16</property>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="button_label_widget">
+                    <property name="label" bind-source="ImagePageWidget" bind-property="button-label" />
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
       </object>
     </child>
   </template>

data/resources/ui/window-gnome.ui

@@ -9,6 +9,8 @@
           <object class="ImagePageWidget" id="welcome_page">
             <property name="resource-uri">/ru/ximperlinux/Welcome/base/welcome.svg</property>
             <property name="head" translatable="yes">Welcome to GNOME</property>
+            <property name="button-label" translatable="yes">Open Wiki</property>
+            <property name="button-url">https://wiki.ximperlinux.ru</property>
           </object>
         </child>
         <child>

data/resources/ui/window-hyprland.ui

@@ -9,6 +9,8 @@
           <object class="ImagePageWidget" id="welcome_page">
             <property name="resource-uri">/ru/ximperlinux/Welcome/base/welcome.svg</property>
             <property name="head" translatable="yes">Welcome to Hyprland</property>
+            <property name="button-label" translatable="yes">Open Wiki</property>
+            <property name="button-url">https://wiki.ximperlinux.ru</property>
           </object>
         </child>
         <child>

src/widgets/image_page.rs

-use gtk::{glib, prelude::*, subclass::prelude::*};
+use gtk::{gio, glib, prelude::*, subclass::prelude::*};
 
 mod imp {
     use std::cell::{OnceCell, RefCell};
-
     use super::*;
 
     #[derive(Debug, Default, glib::Properties, gtk::CompositeTemplate)]
     #[properties(wrapper_type = super::ImagePageWidget)]
     #[template(resource = "/ru/ximperlinux/Welcome/ui/image-page.ui")]
     pub struct ImagePageWidget {
-        #[property(get, set= Self::set_resource_uri, construct_only)]
+        #[property(get, set = Self::set_resource_uri, construct_only)]
         pub(super) resource_uri: OnceCell<String>,
         #[property(get, set, construct_only)]
         pub(super) head: OnceCell<String>,
         #[property(get, set, construct)]
         pub(super) body: RefCell<Option<String>>,
+        #[property(get, set, construct)]
+        pub(super) button_label: RefCell<Option<String>>,
+        #[property(get, set, construct)]
+        pub(super) button_icon: RefCell<Option<String>>,
+        #[property(get, set, construct)]
+        pub(super) button_url: RefCell<Option<String>>,
+
         #[template_child]
         pub(super) picture: TemplateChild<gtk::Picture>,
         #[template_child]
         pub(super) container: TemplateChild<gtk::Box>,
+        #[template_child]
+        pub(super) action_button: TemplateChild<gtk::Button>,
+        #[template_child]
+        pub(super) button_label_widget: TemplateChild<gtk::Label>,
+        #[template_child]
+        pub(super) button_icon_widget: TemplateChild<gtk::Image>,
     }
 
     #[glib::object_subclass]
@@ -28,9 +40,10 @@ mod imp {
         type Type = super::ImagePageWidget;
 
         fn class_init(klass: &mut Self::Class) {
-            klass.bind_template();
             klass.set_layout_manager_type::<adw::ClampLayout>(); 
+            klass.bind_template();
         }
+
         fn instance_init(obj: &glib::subclass::InitializingObject<Self>) {
             obj.init_template();
         }
@@ -38,10 +51,31 @@ mod imp {
 
     #[glib::derived_properties]
     impl ObjectImpl for ImagePageWidget {
+        fn constructed(&self) {
+            if let Some(label) = self.button_label.borrow().clone() {
+                self.button_label_widget.set_label(&label);
+                self.action_button.set_visible(true);
+            }
+
+            if let Some(icon_name) = self.button_icon.borrow().as_ref() {
+                let button_icon_widget = self.button_icon_widget.get();
+                button_icon_widget.set_visible(true);
+                button_icon_widget.set_icon_name(Some(&icon_name));
+            }
+
+            if let Some(url) = self.button_url.borrow().clone() {
+                let button = self.action_button.get();
+                button.connect_clicked(move |_| {
+                    let _ = gio::AppInfo::launch_default_for_uri(&url, None::<&gio::AppLaunchContext>);
+                });
+            }
+        }
+
         fn dispose(&self) {
             self.container.unparent();
         }
     }
+
     impl WidgetImpl for ImagePageWidget {}
 
     impl ImagePageWidget {