allow setting the icon and window title at runtime

Author: cyrgani

src/lib.rs

@@ -259,6 +259,25 @@ pub mod window {
             .unwrap();
     }
 
+    /// Set the application's window title.
+    /// TODO: This is not implemented for all platforms yet.
+    pub fn set_window_title(title: &str) {
+        let d = native_display().lock().unwrap();
+        d.native_requests
+            .send(native::Request::SetWindowTitle(title.to_string()))
+            .unwrap();
+    }
+
+    // Since icons are large structs, wrap them in a Box to avoid excessive stack consumption.
+    /// Set the application's icon.
+    /// TODO: This is not implemented for all platforms yet.
+    pub fn set_window_icon(icon: Box<conf::Icon>) {
+        let d = native_display().lock().unwrap();
+        d.native_requests
+            .send(native::Request::SetWindowIcon(icon))
+            .unwrap();
+    }
+
     /// Get the position of the window.
     /// TODO: implement for other platforms
     #[cfg(any(target_os = "windows", target_os = "linux"))]

src/native.rs

@@ -71,6 +71,8 @@ pub(crate) enum Request {
     SetWindowPosition { new_x: u32, new_y: u32 },
     SetFullscreen(bool),
     ShowKeyboard(bool),
+    SetWindowTitle(String),
+    SetWindowIcon(Box<crate::conf::Icon>),
 }
 
 pub trait Clipboard: Send + Sync {

src/native/linux_x11.rs

@@ -420,6 +420,12 @@ impl X11Display {
                 ShowKeyboard(..) => {
                     eprintln!("Not implemented for X11")
                 }
+                SetWindowTitle(title) => {
+                    self.libx11.update_window_title(self.display, self.window, &title);
+                }
+                SetWindowIcon(icon) => {
+                    self.libx11.update_window_icon(self.display, self.window, &icon);
+                }
             }
         }
     }

src/native/windows.rs

@@ -869,6 +869,12 @@ impl WindowsDisplay {
             ShowKeyboard(_show) => {
                 eprintln!("Not implemented for windows")
             }
+            SetWindowTitle(_title) => {
+                eprintln!("SetWindowTitle is not yet implemented on windows");
+            }
+            SetWindowIcon(icon) => unsafe {
+                set_icon(self.wnd, &icon);
+            },
         }
     }
 }