feat(app): set_context_title and set_header_title methods for ApplicationExt and Core

src/app/core.rs

@@ -109,6 +109,16 @@ impl Core {
         self.is_condensed_update();
     }
 
+    /// Set context drawer header title
+    pub fn set_context_title(&mut self, title: String) {
+        self.window.context_title = title;
+    }
+
+    /// Set header bar title
+    pub fn set_header_title(&mut self, title: String) {
+        self.window.header_title = title;
+    }
+
     /// Whether to show or hide the main window's content.
     pub(crate) fn show_content(&self) -> bool {
         !self.is_condensed || !self.nav_bar.toggled_condensed

src/app/mod.rs

@@ -229,6 +229,16 @@ pub trait ApplicationExt: Application {
     /// Get the title of the main window.
     fn title(&self) -> &str;
 
+    /// Set the context drawer title.
+    fn set_context_title(&mut self, title: String) {
+        self.core_mut().set_context_title(title);
+    }
+
+    /// Set the header bar title.
+    fn set_header_title(&mut self, title: String) {
+        self.core_mut().set_header_title(title);
+    }
+
     /// Set the title of the main window.
     fn set_title(&mut self, title: String) -> iced::Command<Message<Self::Message>>;