apply suggesions

examples/about/src/main.rs

@@ -3,7 +3,7 @@
 
 //! Application API example
 
-use cosmic::app::context_drawer::{context_drawer, ContextDrawer};
+use cosmic::app::context_drawer::{self, context_drawer, ContextDrawer};
 use cosmic::app::{Core, Settings, Task};
 use cosmic::iced::widget::column;
 use cosmic::iced_core::Size;
@@ -102,16 +102,16 @@ impl cosmic::Application for App {
     }
 
     fn context_drawer(&self) -> Option<ContextDrawer<Self::Message>> {
-        match self.show_about {
-            true => Some(context_drawer(widget::about(&self.about, Message::Open), Message::ToggleAbout)),
-            false => None,
-        }
+        self.show_about
+            .then(|| context_drawer::about(&self.about, Message::Open, Message::ToggleAbout))
     }
 
     /// Handle application events here.
     fn update(&mut self, message: Self::Message) -> Task<Self::Message> {
         match message {
             Message::ToggleAbout => {
+                self.core.window.show_context = !self.core.window.show_context;
+                self.core.set_show_context(self.core.window.show_context);
                 self.show_about = !self.show_about;
             }
             Message::Open(url) => match open::that_detached(url) {

src/app/context_drawer.rs

@@ -11,6 +11,15 @@ pub struct ContextDrawer<'a, Message: Clone + 'static> {
     pub on_close: Message,
 }
 
+#[cfg(feature = "about")]
+pub fn about<'a, Message: Clone + 'static>(
+    about: &'a crate::widget::about::About,
+    on_url_press: impl Fn(String) -> Message,
+    on_close: Message,
+) -> ContextDrawer<'a, Message> {
+    context_drawer(crate::widget::about(about, on_url_press), on_close)
+}
+
 pub fn context_drawer<'a, Message: Clone + 'static>(
     content: impl Into<Element<'a, Message>>,
     on_close: Message,

src/app/mod.rs

@@ -729,7 +729,7 @@ impl<App: Application> ApplicationExt for App {
 
                 //TODO: reduce duplication
                 let context_width = core.context_width(has_nav);
-                if core.window.context_is_overlay {
+                if core.window.context_is_overlay && core.window.show_context {
                     if let Some(context) = self.context_drawer() {
                         widgets.push(
                             Element::from(