fix: cursor and buffer not syncing when overloaded with cursor movements

src/main/java/com/codemp/intellij/actions/buffer/BufferAttachAction.java

@@ -15,8 +15,7 @@ public class BufferAttachAction extends AnAction {
 	public static void attach(AnActionEvent e, String buffer, boolean silent) {
 		BufferHandler bufferHandler = CodeMPHandler.attach(buffer);
 		if(!silent) ActionUtil.notify(e, "Success",
-			String.format("Successfully attached to buffer to buffer to %s!", buffer)
+			String.format("Successfully attached to buffer to buffer to %s!", buffer));
-		);
 		CodeMP.LOGGER.debug("Attached to buffer to {}!", buffer);
 
 		//TODO "get" the Editor corresponding to buffer, for now use the current one

src/main/java/com/codemp/intellij/task/BufferEventAwaiterTask.java

@@ -5,6 +5,7 @@ import com.codemp.intellij.exceptions.lib.ChannelException;
 import com.codemp.intellij.exceptions.lib.DeadlockedException;
 import com.codemp.intellij.jni.BufferHandler;
 import com.codemp.intellij.jni.CodeMPHandler;
+import com.codemp.intellij.jni.StringVec;
 import com.codemp.intellij.jni.TextChangeWrapper;
 import com.codemp.intellij.listeners.BufferEventListener;
 import com.intellij.openapi.Disposable;
@@ -22,6 +23,7 @@ import java.util.concurrent.ConcurrentHashMap;
 
 public class BufferEventAwaiterTask extends Task.Backgroundable implements Disposable {
 	private final Map<String, Disposable> bufferListeners = new ConcurrentHashMap<>();
+	private final Set<String> initialisedBuffers = Collections.newSetFromMap(new ConcurrentHashMap<>()); //also tonioware
 
 	public BufferEventAwaiterTask(@NotNull Project project) {
 		super(project, "Awaiting CodeMP buffer events", false);
@@ -41,6 +43,8 @@ public class BufferEventAwaiterTask extends Task.Backgroundable implements Dispo
 	}
 
 	public void unregisterListener(String name) {
+		CodeMP.ACTIVE_BUFFERS_REVERSE.remove(CodeMP.ACTIVE_BUFFERS.remove(name));
+		this.initialisedBuffers.remove(name);
 		Disposable listener = this.bufferListeners.remove(name);
 		if(listener != null)
 			listener.dispose();
@@ -50,17 +54,25 @@ public class BufferEventAwaiterTask extends Task.Backgroundable implements Dispo
 	public void dispose() {}
 
 	@Override
-	@SuppressWarnings({"InfiniteLoopStatement", "UnstableApiUsage"})
+	@SuppressWarnings({"InfiniteLoopStatement", "UnstableApiUsage", "BusyWait"})
 	public void run(@NotNull ProgressIndicator indicator) {
-		try {
-			Thread.sleep(100); //tonioware
-		} catch(InterruptedException ex) {
-			throw new RuntimeException(ex);
-		}
-
 		try {
 			while(true) {
-				String buffer = CodeMPHandler.selectBuffer();
+				StringVec buffers = new StringVec(); //jni moment
+				CodeMP.ACTIVE_BUFFERS.keySet().forEach(buffers::push);
+
+				Optional<String> bufferOptional = CodeMPHandler.selectBuffer(buffers, 100L);
+				if(bufferOptional.isEmpty())
+					continue;
+				String buffer = bufferOptional.get();
+
+				if(!this.initialisedBuffers.contains(buffer)) { //tonioware
+					try {
+							Thread.sleep(100);
+					} catch(InterruptedException ignored) {}
+					this.initialisedBuffers.add(buffer);
+				}
+
 				BufferHandler handler = CodeMPHandler.getBuffer(buffer);
 
 				List<TextChangeWrapper> changeList = new ArrayList<>();
@@ -81,7 +93,6 @@ public class BufferEventAwaiterTask extends Task.Backgroundable implements Dispo
 				}
 
 				Editor bufferEditor = CodeMP.ACTIVE_BUFFERS.get(buffer);
-
 				ApplicationManager.getApplication().invokeLaterOnWriteThread(() ->
 					ApplicationManager.getApplication().runWriteAction(() ->
 						CommandProcessor.getInstance().executeCommand(

src/main/java/com/codemp/intellij/task/CursorEventAwaiterTask.java

@@ -69,11 +69,7 @@ public class CursorEventAwaiterTask extends Task.Backgroundable implements Dispo
 							return;
 						}
 
-						RangeHighlighter highlighter = this.highlighterMap.get(event.getUser());
+						RangeHighlighter previous = this.highlighterMap.put(event.getUser(), editor
-						if(highlighter != null)
-							highlighter.dispose();
-
-						this.highlighterMap.put(event.getUser(), editor
 							.getMarkupModel()
 							.addRangeHighlighter(
 								startOffset,
@@ -87,6 +83,9 @@ public class CursorEventAwaiterTask extends Task.Backgroundable implements Dispo
 									Font.PLAIN
 								), HighlighterTargetArea.EXACT_RANGE
 							));
+
+						if(previous != null)
+							previous.dispose();
 					});
 				} catch(IndexOutOfBoundsException ignored) {}
 			}

src/main/rust/glue.in

@@ -35,6 +35,5 @@ foreign_typemap!( //thanks @tasn on GitHub for the idea
             }
         };
     };
-    ($p:f_type, unique_prefix="/*codemp::prelude::CodempResult<swig_subst_type!(T)>*/") => "/*codemp::prelude::CodempResult<swig_subst_type!(T)>*/swig_f_type!(T)"
+    ($p:f_type, unique_prefix="/*err*/") => "/*err*/swig_f_type!(T)" "swig_foreign_from_i_type!(T, $p)";
-        "swig_foreign_from_i_type!(T, $p)";
 );

src/main/rust/lib.rs

@@ -1,5 +1,7 @@
 use std::sync::Arc;
+use std::time::Duration;
 use codemp::prelude::*;
+use codemp::tools;
 use rifgen::rifgen_attr::{generate_access_methods, generate_interface, generate_interface_doc};
 
 pub mod glue { //rifgen generated code
@@ -66,8 +68,16 @@ impl CodeMPHandler {
 	}
 
 	#[generate_interface]
-	fn select_buffer() -> CodempResult<String> {
+	fn select_buffer(mut buffer_ids: StringVec, timeout: i64) -> CodempResult<Option<String>> {
-		CODEMP_INSTANCE.select_buffer()
+		let mut buffers = Vec::new();
+		for id in buffer_ids.v.iter_mut() {
+			match CODEMP_INSTANCE.get_buffer(id.as_str()) {
+				Ok(buf) => buffers.push(buf),
+				Err(_) => continue
+			}
+		}
+		CODEMP_INSTANCE.rt().block_on(
+			tools::select_buffer_timeout(&buffers, Duration::from_millis(timeout as u64)))
 	}
 }
 
@@ -92,7 +102,7 @@ struct CursorHandler {
 impl CursorHandler {
 	#[generate_interface(constructor)]
 	fn new() -> CursorHandler {
-		panic!("Default constructor for CursorHandler should never be called!")
+		unimplemented!()
 	}
 
 	#[generate_interface]
@@ -137,7 +147,7 @@ struct BufferHandler {
 impl BufferHandler {
 	#[generate_interface(constructor)]
 	fn new() -> BufferHandler {
-		panic!("Default constructor for BufferHandler should never be called!")
+		unimplemented!()
 	}
 
 	#[generate_interface]
@@ -145,6 +155,11 @@ impl BufferHandler {
 		self.buffer.name.clone()
 	}
 
+	#[generate_interface]
+	fn get_content(&self) -> String {
+		self.buffer.content()
+	}
+
 	#[generate_interface]
 	fn try_recv(&self) -> CodempResult<Option<TextChangeWrapper>> {
 		match self.buffer.try_recv() {
@@ -175,3 +190,20 @@ impl BufferHandler {
 		self.buffer.send(CodempTextChange { span: start_offset..end_offset, content })
 	}
 }
+
+#[generate_interface_doc]
+struct StringVec { //jni moment
+	v: Vec<String>
+}
+
+impl StringVec {
+	#[generate_interface(constructor)]
+	fn new() -> StringVec {
+		Self { v: Vec::new() }
+	}
+
+	#[generate_interface]
+	fn push(&mut self, s: String) {
+		self.v.push(s);
+	}
+}