Add Window::set_theme

CHANGELOG.md

@@ -8,6 +8,7 @@ And please only add new entries to the top of this list, right below the `# Unre
 
 # Unreleased
 
+- On Windows, macOS and Wayland, add `Window::set_theme`.
 - On Windows, fix icons specified on `WindowBuilder` not taking effect for windows created after the first one.
 - On Windows and macOS, add `Window::title` to query the current window title.
 - On Windows, fix focusing menubar when pressing `Alt`.

src/platform_impl/android/mod.rs

@@ -853,6 +853,8 @@ impl Window {
         ndk_glue::content_rect()
     }
 
+    pub fn set_theme(&self, _theme: Theme) {}
+
     pub fn theme(&self) -> Option<Theme> {
         None
     }

src/platform_impl/ios/window.rs

@@ -348,6 +348,11 @@ impl Inner {
         None
     }
 
+    #[inline]
+    pub fn set_theme(&self, _theme: Theme) {
+        warn!("`Window::set_theme` is ignored on iOS");
+    }
+
     pub fn title(&self) -> String {
         warn!("`Window::title` is ignored on iOS");
         String::new()

src/platform_impl/linux/mod.rs

@@ -585,6 +585,11 @@ impl Window {
         x11_or_wayland!(match self; Window(window) => window.raw_display_handle())
     }
 
+    #[inlnie]
+    pub fn set_theme(&self, theme: Theme) {
+        x11_or_wayland!(match self; Window(window) => window.set_theme())
+    }
+
     #[inline]
     pub fn theme(&self) -> Option<Theme> {
         x11_or_wayland!(match self; Window(window) => window.theme())

src/platform_impl/linux/wayland/window/mod.rs

@@ -620,6 +620,12 @@ impl Window {
         self.event_loop_awakener.ping();
     }
 
+    #[inline]
+    pub fn set_theme(&self, _theme: Theme) {
+        #[cfg(feature = "sctk-adwaita")]
+        window.set_frame_config(theme.into());
+    }
+
     #[inline]
     pub fn theme(&self) -> Option<Theme> {
         None

src/platform_impl/linux/x11/window.rs

@@ -1547,6 +1547,9 @@ impl UnownedWindow {
         RawDisplayHandle::Xlib(display_handle)
     }
 
+    #[inline]
+    pub fn set_theme(&self, _theme: Theme) {}
+
     #[inline]
     pub fn theme(&self) -> Option<Theme> {
         None

src/platform_impl/macos/window.rs

@@ -1122,6 +1122,11 @@ impl WinitWindow {
         state.current_theme
     }
 
+    #[inline]
+    pub fn set_theme(&self, theme: Theme) {
+        set_ns_theme(theme);
+    }
+
     #[inline]
     pub fn title(&self) -> String {
         self.title_().to_string()

src/platform_impl/web/window.rs

@@ -374,6 +374,9 @@ impl Window {
         RawDisplayHandle::Web(WebDisplayHandle::empty())
     }
 
+    #[inline]
+    pub fn set_theme(&self, _theme: Theme) {}
+
     #[inline]
     pub fn theme(&self) -> Option<Theme> {
         None

src/platform_impl/windows/window.rs

@@ -693,6 +693,11 @@ impl Window {
         });
     }
 
+    #[inline]
+    pub fn set_theme(&self, theme: Theme) {
+        try_theme(self.window.0, Some(theme));
+    }
+
     #[inline]
     pub fn theme(&self) -> Option<Theme> {
         Some(self.window_state_lock().current_theme)

src/window.rs

@@ -943,12 +943,22 @@ impl Window {
         self.window.request_user_attention(request_type)
     }
 
-    /// Returns the current window theme.
+    /// Sets the current window theme.
     ///
     /// ## Platform-specific
     ///
     /// - **iOS / Android / Web / x11:** Unsupported.
     #[inline]
+    pub fn set_theme(&self, theme: Theme) {
+        self.window.set_theme(theme)
+    }
+
+    /// Returns the current window theme.
+    ///
+    /// ## Platform-specific
+    ///
+    /// - **iOS / Android / Web / Wayland / x11:** Unsupported.
+    #[inline]
     pub fn theme(&self) -> Option<Theme> {
         self.window.theme()
     }