change register command to be UiCommand rather than direct handler

src/bridge/handler.rs

@@ -1,18 +1,15 @@
 use async_trait::async_trait;
-use log::{error, trace};
+use log::trace;
 use nvim_rs::{compat::tokio::Compat, Handler, Neovim};
 use rmpv::Value;
 use tokio::process::ChildStdin;
 use tokio::task;
 
 use super::events::handle_redraw_event_group;
+use super::ui_commands::UiCommand;
+use super::BRIDGE;
 use crate::settings::SETTINGS;
 
-#[cfg(windows)]
-use crate::settings::windows_registry::{
-    register_rightclick_directory, register_rightclick_file, unregister_rightclick,
-};
-
 #[derive(Clone)]
 pub struct NeovimHandler();
 
@@ -35,26 +32,10 @@ impl Handler for NeovimHandler {
                 SETTINGS.handle_changed_notification(arguments);
             }
             "neovide.register_right_click" => {
-                #[cfg(windows)]
+                BRIDGE.queue_command(UiCommand::RegisterRightClick);
-                {
-                    if unregister_rightclick() {
-                        error!("Setup of Windows Registry failed during unregister. Try running as Admin?");
-                    }
-                    if !register_rightclick_directory() {
-                        error!("Setup of Windows Registry failed during directory registration. Try running as Admin?");
-                    }
-                    if !register_rightclick_file() {
-                        error!("Setup of Windows Registry failed during file registration. Try running as Admin?");
-                    }
-                }
             }
             "neovide.unregister_right_click" => {
-                #[cfg(windows)]
+                BRIDGE.queue_command(UiCommand::UnregisterRightClick);
-                {
-                    if !unregister_rightclick() {
-                        error!("Removal of Windows Registry failed, probably no Admin");
-                    }
-                }
             }
             _ => {}
         })

src/bridge/mod.rs

@@ -80,6 +80,25 @@ fn build_nvim_cmd() -> Command {
     }
 }
 
+pub fn build_neovide_command(channel: u64, num_args: u64, command: &str, event: &str) -> String {
+    let nargs: String = if num_args > 1 {
+        "+".to_string()
+    } else {
+        num_args.to_string()
+    };
+    if num_args == 0 {
+        return format!(
+            "command! -nargs={} -complete=expression {} call rpcnotify({}, 'neovide.{}')",
+            nargs, command, channel, event
+        );
+    } else {
+        return format!(
+            "command! -nargs={} -complete=expression {} call rpcnotify({}, 'neovide.{}', <args>)",
+            nargs, command, channel, event
+        );
+    };
+}
+
 pub fn create_nvim_command() -> Command {
     let mut cmd = build_nvim_cmd();
 
@@ -105,25 +124,6 @@ async fn drain(receiver: &mut UnboundedReceiver<UiCommand>) -> Option<Vec<UiComm
     }
 }
 
-fn build_neovide_command(channel: u64, num_args: u64, command: &str, event: &str) -> String {
-    let nargs: String = if num_args > 1 {
-        "+".to_string()
-    } else {
-        num_args.to_string()
-    };
-    if num_args == 0 {
-        return format!(
-            "command! -nargs={} -complete=expression {} call rpcnotify({}, 'neovide.{}')",
-            nargs, command, channel, event
-        );
-    } else {
-        return format!(
-            "command! -nargs={} -complete=expression {} call rpcnotify({}, 'neovide.{}', <args>)",
-            nargs, command, channel, event
-        );
-    };
-}
-
 async fn start_process(mut receiver: UnboundedReceiver<UiCommand>) {
     let (width, height) = window_geometry_or_default();
     let (mut nvim, io_handler, _) =

src/bridge/ui_commands.rs

@@ -1,9 +1,13 @@
-use log::trace;
+use log::{error, trace};
 use nvim_rs::compat::tokio::Compat;
 use nvim_rs::Neovim;
 use tokio::process::ChildStdin;
 
 use crate::editor::EDITOR;
+#[cfg(windows)]
+use crate::settings::windows_registry::{
+    register_rightclick_directory, register_rightclick_file, unregister_rightclick,
+};
 
 #[derive(Debug, Clone)]
 pub enum UiCommand {
@@ -25,6 +29,10 @@ pub enum UiCommand {
     FocusLost,
     FocusGained,
     Quit,
+    #[cfg(windows)]
+    RegisterRightClick,
+    #[cfg(windows)]
+    UnregisterRightClick,
 }
 
 impl UiCommand {
@@ -79,6 +87,32 @@ impl UiCommand {
             UiCommand::FileDrop(path) => {
                 nvim.command(format!("e {}", path).as_str()).await.ok();
             }
+            #[cfg(windows)]
+            UiCommand::RegisterRightClick => {
+                if unregister_rightclick() {
+                    let msg = "Could not unregister previous menu item. Possibly already registered or not running as Admin?";
+                    nvim.err_writeln(msg).await.ok();
+                    error!("{}", msg);
+                }
+                if !register_rightclick_directory() {
+                    let msg = "Could not register directory context menu item. Possibly already registered or not running as Admin?";
+                    nvim.err_writeln(msg).await.ok();
+                    error!("{}", msg);
+                }
+                if !register_rightclick_file() {
+                    let msg = "Could not register file context menu item. Possibly already registered or not running as Admin?";
+                    nvim.err_writeln(msg).await.ok();
+                    error!("{}", msg);
+                }
+            }
+            #[cfg(windows)]
+            UiCommand::UnregisterRightClick => {
+                if !unregister_rightclick() {
+                    let msg = "Could not remove context menu items. Possibly already removed or not running as Admin?";
+                    nvim.err_writeln(msg).await.ok();
+                    error!("{}", msg);
+                }
+            }
         }
     }