refactor: Refactor window module (#849)

- Split platform-dependent code into separate function
- Remove wrapper function `create_window`
- Move handle_new_grid_size where it belongs

src/main.rs

@@ -124,41 +124,11 @@ fn main() {
     #[cfg(not(test))]
     init_logger();
 
-    #[cfg(target_os = "macos")]
-    {
-        // incase of app bundle, we can just pass --disowned option straight away to bypass this check
-        #[cfg(not(debug_assertions))]
-        if !SETTINGS.get::<CmdLineSettings>().disowned {
-            if let Ok(curr_exe) = std::env::current_exe() {
-                assert!(std::process::Command::new(curr_exe)
-                    .args(std::env::args().skip(1))
-                    .arg("--disowned")
-                    .spawn()
-                    .is_ok());
-                return;
-            } else {
-                eprintln!("error in disowning process, cannot obtain the path for the current executable, continuing without disowning...");
-            }
-        }
+    #[cfg(target_os = "windows")]
+    windows_fix_dpi();
 
-        use std::env;
-        if env::var_os("TERM").is_none() {
-            let mut profile_path = dirs::home_dir().unwrap();
-            profile_path.push(".profile");
-            let shell = env::var("SHELL").unwrap();
-            let cmd = format!(
-                "(source /etc/profile && source {} && echo $PATH)",
-                profile_path.to_str().unwrap()
-            );
-            if let Ok(path) = std::process::Command::new(shell)
-                .arg("-c")
-                .arg(cmd)
-                .output()
-            {
-                env::set_var("PATH", std::str::from_utf8(&path.stdout).unwrap());
-            }
-        }
-    }
+    #[cfg(target_os = "macos")]
+    handle_macos();
 
     WindowSettings::register();
     RendererSettings::register();
@@ -230,3 +200,48 @@ pub fn init_logger() {
             .expect("Could not start logger");
     }
 }
+
+#[cfg(target_os = "windows")]
+fn windows_fix_dpi() {
+    use winapi::shared::windef::DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2;
+    use winapi::um::winuser::SetProcessDpiAwarenessContext;
+    unsafe {
+        SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
+    }
+}
+
+#[cfg(target_os = "macos")]
+fn handle_macos() {
+    // incase of app bundle, we can just pass --disowned option straight away to bypass this check
+    #[cfg(not(debug_assertions))]
+    if !SETTINGS.get::<CmdLineSettings>().disowned {
+        if let Ok(curr_exe) = std::env::current_exe() {
+            assert!(std::process::Command::new(curr_exe)
+                .args(std::env::args().skip(1))
+                .arg("--disowned")
+                .spawn()
+                .is_ok());
+            std::process::exit(0);
+        } else {
+            eprintln!("error in disowning process, cannot obtain the path for the current executable, continuing without disowning...");
+        }
+    }
+
+    use std::env;
+    if env::var_os("TERM").is_none() {
+        let mut profile_path = dirs::home_dir().unwrap();
+        profile_path.push(".profile");
+        let shell = env::var("SHELL").unwrap();
+        let cmd = format!(
+            "(source /etc/profile && source {} && echo $PATH)",
+            profile_path.to_str().unwrap()
+        );
+        if let Ok(path) = std::process::Command::new(shell)
+            .arg("-c")
+            .arg(cmd)
+            .output()
+        {
+            env::set_var("PATH", std::str::from_utf8(&path.stdout).unwrap());
+        }
+    }
+}

src/window/mod.rs

@@ -1,56 +1,5 @@
 mod settings;
 mod window_wrapper;
 
-use crate::{
-    bridge::UiCommand,
-    channel_utils::*,
-    editor::{DrawCommand, WindowCommand},
-    renderer::Renderer,
-};
-use glutin::dpi::PhysicalSize;
-use std::sync::{atomic::AtomicBool, mpsc::Receiver, Arc};
-
-pub use window_wrapper::start_loop;
-
 pub use settings::*;
-
-#[cfg(target_os = "windows")]
-fn windows_fix_dpi() {
-    use winapi::shared::windef::DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2;
-    use winapi::um::winuser::SetProcessDpiAwarenessContext;
-    unsafe {
-        SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
-    }
-}
-
-fn handle_new_grid_size(
-    new_size: PhysicalSize<u32>,
-    renderer: &Renderer,
-    ui_command_sender: &LoggingTx<UiCommand>,
-) {
-    if new_size.width > 0 && new_size.height > 0 {
-        // Add 1 here to make sure resizing doesn't change the grid size on startup
-        let width = ((new_size.width + 1) / renderer.font_width as u32) as u32;
-        let height = ((new_size.height + 1) / renderer.font_height as u32) as u32;
-        ui_command_sender
-            .send(UiCommand::Resize { width, height })
-            .ok();
-    }
-}
-
-pub fn create_window(
-    batched_draw_command_receiver: Receiver<Vec<DrawCommand>>,
-    window_command_receiver: Receiver<WindowCommand>,
-    ui_command_sender: LoggingTx<UiCommand>,
-    running: Arc<AtomicBool>,
-) {
-    #[cfg(target_os = "windows")]
-    windows_fix_dpi();
-
-    start_loop(
-        batched_draw_command_receiver,
-        window_command_receiver,
-        ui_command_sender,
-        running,
-    );
-}
+pub use window_wrapper::create_window;

src/window/window_wrapper/keyboard_manager.rs

@@ -35,7 +35,7 @@ impl KeyboardManager {
                 event: WindowEvent::Focused(_focused),
                 ..
             } => {
-                // When window is just focused or lost it's focus, ignore keyboard events 
+                // When window is just focused or lost it's focus, ignore keyboard events
                 // that were submitted this frame
                 self.ignore_input_this_frame = true;
             }

src/window/window_wrapper/mod.rs

@@ -24,7 +24,7 @@ use log::trace;
 #[cfg(target_os = "linux")]
 use glutin::platform::unix::WindowBuilderExtUnix;
 
-use super::{handle_new_grid_size, settings::WindowSettings};
+use super::settings::WindowSettings;
 use crate::{
     bridge::UiCommand,
     channel_utils::*,
@@ -168,12 +168,10 @@ impl GlutinWindowWrapper {
         if previous_size != current_size {
             trace!("Updating grid size: {:#?}", current_size);
             self.saved_inner_size = current_size;
-            handle_new_grid_size(current_size, &self.renderer, &self.ui_command_sender);
+            self.handle_new_grid_size(current_size);
             self.skia_renderer.resize(&self.windowed_context);
         }
 
-        let ui_command_sender = self.ui_command_sender.clone();
-
         if REDRAW_SCHEDULER.should_draw() || SETTINGS.get::<WindowSettings>().no_idle {
             let renderer = &mut self.renderer;
 
@@ -181,7 +179,7 @@ impl GlutinWindowWrapper {
                 let canvas = self.skia_renderer.canvas();
 
                 if renderer.draw_frame(canvas, dt) {
-                    handle_new_grid_size(current_size, renderer, &ui_command_sender);
+                    self.handle_new_grid_size(current_size);
                 }
             }
 
@@ -190,12 +188,23 @@ impl GlutinWindowWrapper {
         }
     }
 
+    fn handle_new_grid_size(&self, new_size: PhysicalSize<u32>) {
+        if new_size.width > 0 && new_size.height > 0 {
+            // Add 1 here to make sure resizing doesn't change the grid size on startup
+            let width = ((new_size.width + 1) / self.renderer.font_width as u32) as u32;
+            let height = ((new_size.height + 1) / self.renderer.font_height as u32) as u32;
+            self.ui_command_sender
+                .send(UiCommand::Resize { width, height })
+                .ok();
+        }
+    }
+
     fn handle_scale_factor_update(&mut self, scale_factor: f64) {
         self.renderer.handle_scale_factor_update(scale_factor);
     }
 }
 
-pub fn start_loop(
+pub fn create_window(
     batched_draw_command_receiver: Receiver<Vec<DrawCommand>>,
     window_command_receiver: Receiver<WindowCommand>,
     ui_command_sender: LoggingTx<UiCommand>,