Added method to TitleBar, allowing controls to be show statically instead of only on mouseover

native/src/widget/pane_grid/title_bar.rs

@@ -9,6 +9,7 @@ use crate::{Clipboard, Element, Event, Layout, Point, Rectangle, Size};
 pub struct TitleBar<'a, Message, Renderer: pane_grid::Renderer> {
     title: String,
     title_size: Option<u16>,
+    always_show_controls: bool,
     controls: Option<Element<'a, Message, Renderer>>,
     padding: u16,
     style: Renderer::Style,
@@ -27,6 +28,7 @@ where
             title_size: None,
             controls: None,
             padding: 0,
+            always_show_controls: false,
             style: Renderer::Style::default(),
         }
     }
@@ -65,6 +67,17 @@ where
         self.style = style.into();
         self
     }
+
+    /// Sets whether or not the [`controls`] attached to this
+    /// panes [`TitleBar`] are always visible. By default, the controls
+    /// are only visible on hover.
+    ///
+    /// [`TitleBar`]: struct.TitleBar.html
+    /// [`controls`]: struct.TitleBar.html#method.controls
+    pub fn always_show_controls(mut self) -> Self {
+        self.always_show_controls = true;
+        self
+    }
 }
 
 impl<'a, Message, Renderer> TitleBar<'a, Message, Renderer>
@@ -92,7 +105,8 @@ where
             let title_layout = children.next().unwrap();
             let controls_layout = children.next().unwrap();
 
-            let (title_bounds, controls) = if show_controls {
+            let (title_bounds, controls) =
+                if show_controls || self.always_show_controls {
                     (title_layout.bounds(), Some((controls, controls_layout)))
                 } else {
                     (