GH-339 Try set cursor method

NeoVimServer/NeoVimServer.m

@@ -99,6 +99,8 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
 
       case NeoVimAgentMsgIdDelete: return null_data_async(data, neovim_delete);
 
+      case NeoVimAgentDebug1: return null_data_async(data, neovim_cursor_goto);
+
       default: return NULL;
 
     }

NeoVimServer/server_globals.h

@@ -27,3 +27,5 @@ extern void neovim_vim_command(void **argv);
 extern void neovim_vim_input(void **argv);
 extern void neovim_vim_input_marked_text(void **argv);
 extern void neovim_delete(void **argv);
+
+extern void neovim_cursor_goto(void **argv);

NeoVimServer/server_ui.m

@@ -30,6 +30,8 @@
 #import <nvim/fileio.h>
 #import <nvim/undo.h>
 #import <nvim/eval.h>
+#import <nvim/api/window.h>
+#import <nvim/screen.h>
 
 
 #define pun_type(t, x) (*((t *) (&(x))))
@@ -757,7 +759,9 @@ void neovim_vim_command(void **argv) {
     Error err = ERROR_INIT;
     nvim_command(vim_string_from(input), &err);
 
-    // FIXME: handle err.set == true
+    if (err.set) {
+      WLOG("ERROR while executing command %s: %s", input.cstr, err.msg);
+    }
 
     [input release];
 
@@ -851,3 +855,31 @@ void neovim_delete(void **argv) {
     return nil;
   });
 }
+
+void neovim_cursor_goto(void **argv) {
+  work_async(argv, ^NSData *(NSData *data) {
+    Array position = ARRAY_DICT_INIT;
+    position.size = 2;
+    position.items = xmalloc(sizeof(Object) * 2);
+
+    Object row = OBJECT_INIT;
+    row.type = kObjectTypeInteger;
+    row.data.integer = 10;
+
+    Object col = OBJECT_INIT;
+    col.type = kObjectTypeInteger;
+    col.data.integer = 5;
+
+    position.items[0] = row;
+    position.items[1] = col;
+
+    Error err = ERROR_INIT;
+
+    nvim_win_set_cursor(nvim_get_current_win(), position, &err);
+//    nvim_input((String){.data="<ESC>", .size=5});
+
+    xfree(position.items);
+
+    return nil;
+  });
+}

SwiftNeoVim/NeoVimAgent.h

@@ -21,6 +21,9 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, weak) id <NeoVimUiBridgeProtocol> bridge;
 
 - (instancetype)initWithUuid:(NSString *)uuid;
+
+- (void)debug;
+
 - (void)quit;
 
 - (bool)runLocalServerAndNeoVim;

SwiftNeoVim/NeoVimAgent.m

@@ -84,7 +84,7 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
   NSCondition *_neoVimReadyCondition;
   bool _isInitErrorPresent;
 
-  uint32_t _neoVimIsQuitting;
+  volatile uint32_t _neoVimIsQuitting;
 }
 
 - (instancetype)initWithUuid:(NSString *)uuid {
@@ -108,6 +108,10 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
   return _neoVimIsQuitting == 1;
 }
 
+- (void)debug {
+  [self sendMessageWithId:NeoVimAgentDebug1 data:nil expectsReply:NO];
+}
+
 // We cannot use -dealloc for this since -dealloc is not called until the run loop in the thread stops.
 - (void)quit {
   OSAtomicOr32Barrier(1, &_neoVimIsQuitting);
@@ -236,7 +240,7 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
   NSData *response = [self sendMessageWithId:NeoVimAgentMsgIdGetDirtyDocs data:nil expectsReply:YES];
   if (response == nil) {
     log4Warn("The response for the msg %lu was nil.", NeoVimAgentMsgIdGetDirtyDocs);
-    return YES;
+    return NO;
   }
 
   NSNumber *value = [NSKeyedUnarchiver unarchiveObjectWithData:response];

SwiftNeoVim/NeoVimView.swift

@@ -208,8 +208,14 @@ public class NeoVimView: NSView, NeoVimUiBridgeProtocol, NSUserInterfaceValidati
 
   @IBAction public func debug1(_ sender: AnyObject?) {
     NSLog("DEBUG 1 - Start")
-    self.vimExCommand("norm 10G5|")
-    self.vimInput("<ESC>")
+//    self.vimExCommand("norm 10G5|")
+//    self.vimExCommand("redraw")
+//    self.vimExCommand("cal cursor(10,5)")
+//    self.exec(command: "cal cursor(10,5)")
+//    self.vimOutput(of: "cal nvim_win_set_cursor(1000, [10, 5])")
+//    self.vimExCommand("redraw")
+//    self.vimInput("<ESC>")
+    self.agent.debug()
     NSLog("DEBUG 1 - End")
   }
 

VimR/MainWindowComponent.swift

@@ -309,9 +309,11 @@ class MainWindowComponent: WindowComponent,
           self.neoVimView.select(buffer: buffer)
 
         case let PreviewComponent.Action.reverseSearch(to: position):
-          self.neoVimView.vimExCommand("norm \(position.row)G\(position.column)|")
+          let command = "norm \(position.row)G\(position.column)|"
+          self.neoVimView.exec(command: "call nvim_win_set_cursor(1000, 10, 5)")
+//          self.neoVimView.vimExCommand(command)
           // The above command does not refresh the cursor...
-          self.neoVimView.vimInput("<ESC>")
+//          self.neoVimView.vimInput("<ESC>")
 
           return