Transparency working again

src/renderer/grid_renderer.rs

@@ -1,3 +1,4 @@
+use crate::WindowSettings;
 use std::sync::Arc;
 
 use glutin::dpi::PhysicalSize;
@@ -74,7 +75,8 @@ impl GridRenderer {
     }
 
     pub fn get_default_background(&self) -> Color {
-        self.default_style.colors.background.unwrap().to_color()
+        let transparency = {SETTINGS.get::<WindowSettings>().transparency};
+        self.default_style.colors.background.unwrap().to_color().with_a((255.0 * transparency) as u8)
     }
 
     pub fn draw_background(
@@ -97,6 +99,9 @@ impl GridRenderer {
             self.paint
                 .set_color(style.background(&self.default_style.colors).to_color());
         }
+
+        let transparency = {SETTINGS.get::<WindowSettings>().transparency};
+        self.paint.set_alpha_f(transparency);
         canvas.draw_rect(region, &self.paint);
     }
 

src/renderer/mod.rs

@@ -87,6 +87,9 @@ impl Renderer {
             .collect();
         let mut font_changed = false;
 
+        let default_background = self.grid_renderer.get_default_background();
+        root_canvas.clear(default_background);
+
         for draw_command in draw_commands.into_iter() {
             if let DrawCommand::FontChanged(_) = draw_command {
                 font_changed = true;
@@ -94,10 +97,8 @@ impl Renderer {
             self.handle_draw_command(root_canvas, draw_command);
         }
 
-        let default_background = self.grid_renderer.get_default_background();
         let font_dimensions = self.grid_renderer.font_dimensions;
 
-        root_canvas.clear(default_background);
         root_canvas.save();
         root_canvas.reset_matrix();
 

src/window/window_wrapper/mod.rs

@@ -51,6 +51,7 @@ pub struct GlutinWindowWrapper {
     mouse_manager: MouseManager,
     title: String,
     fullscreen: bool,
+    transparency: f32,
     saved_inner_size: PhysicalSize<u32>,
     saved_grid_size: Option<Dimensions>,
     ui_command_sender: LoggingTx<UiCommand>,
@@ -76,6 +77,13 @@ impl GlutinWindowWrapper {
         if self.fullscreen != fullscreen {
             self.toggle_fullscreen();
         }
+
+        let transparency = { SETTINGS.get::<WindowSettings>().transparency };
+        if self.transparency != transparency {
+            self.transparency = transparency;
+            self.toggle_fullscreen();
+        }
+
     }
 
     #[allow(clippy::needless_collect)]
@@ -267,6 +275,7 @@ pub fn create_window(
         .with_title("Neovide")
         .with_window_icon(Some(icon))
         .with_maximized(cmd_line_settings.maximized)
+        .with_transparent(true)
         .with_decorations(!cmd_line_settings.frameless);
 
     #[cfg(target_os = "linux")]
@@ -309,6 +318,7 @@ pub fn create_window(
         mouse_manager: MouseManager::new(ui_command_sender.clone()),
         title: String::from("Neovide"),
         fullscreen: false,
+        transparency: 1.0,
         saved_inner_size,
         saved_grid_size: None,
         ui_command_sender,