feat: Configure click_through as command line argument

src/cmd_line.rs

@@ -24,6 +24,8 @@ pub struct CmdLineSettings {
     pub x11_wm_class: String,
     // Disable open multiple files as tabs
     pub no_tabs: bool,
+    // Replicate macOS behaviour where first click is not registered
+    pub click_through: bool,
 }
 
 impl Default for CmdLineSettings {
@@ -43,6 +45,7 @@ impl Default for CmdLineSettings {
             multi_grid: false,
             no_idle: false,
             srgb: true,
+            click_through: false,
             // Command-line arguments with environment variable fallback
             neovim_bin: None,
             wayland_app_id: String::new(),
@@ -105,6 +108,11 @@ pub fn handle_command_line_arguments(args: Vec<String>) -> Result<(), String> {
                 .long("wsl")
                 .help("Run in WSL")
         )
+        .arg(
+            Arg::new("click_through")
+            .long("click-through")
+            .help("On first mouse click, move the cursor to location of mouse click. DISCLAIMER: Providing this flag on non-macOS systems will not change anything")
+        )
         // Command-line flags with environment variable fallback
         .arg(
             Arg::new("frame")
@@ -186,6 +194,10 @@ pub fn handle_command_line_arguments(args: Vec<String>) -> Result<(), String> {
         no_fork: matches.is_present("nofork"),
         remote_tcp: matches.value_of("remote_tcp").map(|i| i.to_owned()),
         wsl: matches.is_present("wsl"),
+        #[cfg(target_os = "macos")]
+        click_through: matches.is_present("click_through"),
+        #[cfg(not(target_os = "macos"))]
+        click_through: true,
         // Command-line flags with environment variable fallback
         frame: match matches.value_of("frame") {
             Some(val) => Frame::from_string(val.to_string()),
@@ -197,7 +209,7 @@ pub fn handle_command_line_arguments(args: Vec<String>) -> Result<(), String> {
         maximized: matches.is_present("maximized") || std::env::var("NEOVIDE_MAXIMIZED").is_ok(),
         multi_grid: matches.is_present("multi_grid") || std::env::var("NEOVIDE_MULTIGRID").is_ok(),
         no_idle: matches.is_present("noidle") || std::env::var("NEOVIDE_NO_IDLE").is_ok(),
-        // Srgb is enabled by default, so set it to false if nosrgb or NOEVIDE_NO_SRGB is set
+        // Srgb is enabled by default, so set it to false if nosrgb or NEOVIDE_NO_SRGB is set
         srgb: !(matches.is_present("nosrgb") || std::env::var("NEOVIDE_NO_SRGB").is_ok()),
         // Command-line arguments with environment variable fallback
         neovim_bin: matches
@@ -345,6 +357,18 @@ mod tests {
         assert!(SETTINGS.get::<CmdLineSettings>().log_to_file);
     }
 
+    #[test]
+    fn test_click_through() {
+        let args: Vec<String> = vec!["neovide", "--click-through"]
+            .iter()
+            .map(|s| s.to_string())
+            .collect();
+
+        let _accessing_settings = ACCESSING_SETTINGS.lock().unwrap();
+        handle_command_line_arguments(args).expect("Could not parse arguments");
+        assert!(SETTINGS.get::<CmdLineSettings>().click_through)
+    }
+
     #[test]
     fn test_frameless_flag() {
         let args: Vec<String> = vec!["neovide", "--frame=full"]

src/window/mouse_manager.rs

@@ -13,7 +13,7 @@ use glutin::{
     },
     PossiblyCurrent, WindowedContext,
 };
-use log::info;
+
 use skia_safe::Rect;
 
 use crate::{
@@ -87,8 +87,8 @@ pub struct MouseManager {
     mouse_hidden: bool,
     pub enabled: bool,
 
-    // Not exactly a mouse setting but ideally needs to exist for some state
+    // Not a mouse setting but needs to exist to track the state of WindowFocusedEvents
-    current_window_focused: bool,
+    window_focused: bool,
 }
 
 impl MouseManager {
@@ -104,7 +104,7 @@ impl MouseManager {
             window_details_under_mouse: None,
             mouse_hidden: false,
             enabled: true,
-            current_window_focused: false,
+            window_focused: false,
         }
     }
 
@@ -220,7 +220,10 @@ impl MouseManager {
                         self.relative_position
                     };
 
-                    if click_through || !self.current_window_focused {
+                    // Only register command if:
+                    //  a) click through is enabled
+                    //  b) the current window doesn't have focus
+                    if click_through || !self.window_focused {
                         EVENT_AGGREGATOR.send(UiCommand::Serial(SerialCommand::MouseButton {
                             button: button_text.clone(),
                             action,
@@ -450,7 +453,7 @@ impl MouseManager {
             Event::WindowEvent {
                 event: WindowEvent::Focused(focused),
                 ..
-            } => self.current_window_focused = *focused,
+            } => self.window_focused = *focused,
             Event::WindowEvent {
                 event: WindowEvent::CursorMoved { position, .. },
                 ..
@@ -517,8 +520,9 @@ impl MouseManager {
                     window_settings.click_through,
                 );
 
-                // Always reset focused to false to prevent all mouse inputs not working
+                // We want to always reset window_focused to false to ensure that subsequent mouse events
-                self.current_window_focused = false;
+                // are properly registered after the initial window focus.
+                self.window_focused = false;
             }
             Event::WindowEvent {
                 event:

src/window/settings.rs

@@ -28,7 +28,7 @@ impl Default for WindowSettings {
             hide_mouse_when_typing: false,
             touch_deadzone: 6.0,
             touch_drag_timeout: 0.17,
-            click_through: false
+            click_through: SETTINGS.get::<CmdLineSettings>().click_through,
         }
     }
 }