Merge branch 'develop' into cglayer

Conflicts:
	SwiftNeoVim/CocoaExtensions.swift
	SwiftNeoVim/NeoVimView+Draw.swift
	SwiftNeoVim/NeoVimView+Mouse.swift
	SwiftNeoVim/NeoVimView+UiBridge.swift
	SwiftNeoVim/NeoVimView.swift

NeoVimServer/NeoVimMsgIds.h

@@ -52,6 +52,7 @@ typedef NS_ENUM(NSUInteger, NeoVimAgentMsgId) {
     NeoVimAgentMsgIdDelete,
     NeoVimAgentMsgIdResize,
     NeoVimAgentMsgIdSelectWindow,
+    NeoVimAgentMsgIdScroll,
     NeoVimAgentMsgIdCursorGoto,
     NeoVimAgentMsgIdQuit,
 

NeoVimServer/NeoVimServer.m

@@ -72,6 +72,8 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
 
       case NeoVimAgentMsgIdSelectWindow: return data_sync(data, outputCondition, neovim_select_window);
 
+      case NeoVimAgentMsgIdScroll: return data_sync(data, outputCondition, neovim_scroll);
+
       case NeoVimAgentMsgIdGetTabs: return data_sync(data, outputCondition, neovim_tabs);
       
       case NeoVimAgentMsgIdGetBuffers: return data_sync(data, outputCondition, neovim_buffers);

NeoVimServer/server_globals.h

@@ -15,6 +15,7 @@ extern void start_neovim();
 extern void quit_neovim();
 
 extern void neovim_select_window(void **argv);
+extern void neovim_scroll(void **argv);
 extern void neovim_tabs(void **argv);
 extern void neovim_buffers(void **argv);
 extern void neovim_vim_command_output(void **argv);

NeoVimServer/server_ui.m

@@ -26,6 +26,8 @@
 #import <nvim/ex_getln.h>
 #import <nvim/fileio.h>
 #import <nvim/undo.h>
+#import <nvim/mouse.h>
+#import <nvim/edit.h>
 #import <nvim/api/window.h>
 
 
@@ -613,6 +615,34 @@ static NeoVimBuffer *buffer_for(buf_T *buf) {
   return [buffer autorelease];
 }
 
+void neovim_scroll(void **argv) {
+  work_and_write_data_sync(argv, ^NSData *(NSData *data) {
+    NSInteger *values = (NSInteger *) data.bytes;
+    NSInteger horiz = values[0];
+    NSInteger vert = values[1];
+
+    if (horiz == 0 && vert == 0) {
+      return nil;
+    }
+
+    // value > 0 => down or right
+    int horizDir;
+    int vertDir;
+    if (horiz != 0) {
+      horizDir = horiz > 0 ? MSCR_RIGHT: MSCR_LEFT;
+      custom_ui_scroll(horizDir, (int) ABS(horiz));
+    }
+    if (vert != 0) {
+      vertDir = vert > 0 ? MSCR_DOWN: MSCR_UP;
+      custom_ui_scroll(vertDir, (int) ABS(vert));
+    }
+
+    ui_refresh();
+
+    return nil;
+  });
+}
+
 void neovim_select_window(void **argv) {
   work_and_write_data_sync(argv, ^NSData *(NSData *data) {
     int handle = ((int *) data.bytes)[0];

SwiftNeoVim/NeoVimAgent.h

@@ -43,6 +43,8 @@ NS_ASSUME_NONNULL_BEGIN
 - (NSArray<NSString *> *)escapedFileNames:(NSArray<NSString *> *)fileNames;
 - (NSArray<NeoVimBuffer *> *)buffers;
 - (NSArray<NeoVimTab*> *)tabs;
+
+- (void)scrollHorizontal:(NSInteger)horiz vertical:(NSInteger)vert;
 - (void)selectWindow:(NeoVimWindow *)window;
 
 // WAITS

SwiftNeoVim/NeoVimAgent.m

@@ -305,6 +305,12 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
   [self sendMessageWithId:NeoVimAgentMsgIdSetBoolOption data:data expectsReply:YES];
 }
 
+- (void)scrollHorizontal:(NSInteger)horiz vertical:(NSInteger)vert {
+  NSInteger values[] = { horiz, vert };
+  NSData *data = [[NSData alloc] initWithBytes:values length:2 * sizeof(NSInteger)];
+  [self sendMessageWithId:NeoVimAgentMsgIdScroll data:data expectsReply:NO];
+}
+
 - (void)selectWindow:(NeoVimWindow *)window {
   int values[] = { (int) window.handle };
   NSData *data = [[NSData alloc] initWithBytes:values length:sizeof(int)];

SwiftNeoVim/NeoVimView+Mouse.swift

@@ -43,22 +43,10 @@ extension NeoVimView {
       return
     }
 
-    let (absDeltaX, absDeltaY) = (abs(deltaX), abs(deltaY))
-
-    // The absolute delta values can get very very big when you use two finger scrolling
-    // on the trackpad: Cap them using heuristic values...
-    let numX = deltaX != 0 ? max(1, min(Int(absDeltaX / scrollLimiterX), maxScrollDeltaX)) : 0
-    let numY = deltaY != 0 ? max(1, min(Int(absDeltaY / scrollLimiterY), maxScrollDeltaY)) : 0
-
-    for i in 0..<max(numX, numY) {
-      if i < numX {
-        self.throttleScrollX(absDelta: absDeltaX, vimInput: vimInputX)
-      }
-
-      if i < numY {
-        self.throttleScrollY(absDelta: absDeltaY, vimInput: vimInputY)
-      }
-    }
+    let (absDeltaX, absDeltaY) = (min(Int(abs(deltaX)), maxScrollDeltaX),
+                                  min(Int(abs(deltaY)), maxScrollDeltaY))
+    let (horizSign, vertSign) = (deltaX > 0 ? 1 : -1, deltaY > 0 ? 1 : -1)
+    self.agent.scrollHorizontal(horizSign * absDeltaX, vertical: vertSign * absDeltaY)
   }
 
   override public func magnify(with event: NSEvent) {
@@ -188,38 +176,6 @@ extension NeoVimView {
 
     return (resultX, resultY)
   }
-
-  fileprivate func throttleScrollX(absDelta absDeltaX: CGFloat, vimInput: String) {
-    if absDeltaX == 0 {
-      self.scrollGuardCounterX = scrollGuardYield - 1
-    } else if absDeltaX <= 2 {
-      // Poor man's throttle for scroll value = 1 or 2
-      if self.scrollGuardCounterX % scrollGuardYield == 0 {
-        self.agent.vimInput(vimInput)
-        self.scrollGuardCounterX = 1
-      } else {
-        self.scrollGuardCounterX += 1
-      }
-    } else {
-      self.agent.vimInput(vimInput)
-    }
-  }
-
-  fileprivate func throttleScrollY(absDelta absDeltaY: CGFloat, vimInput: String) {
-    if absDeltaY == 0 {
-      self.scrollGuardCounterY = scrollGuardYield - 1
-    } else if absDeltaY <= 2 {
-      // Poor man's throttle for scroll value = 1 or 2
-      if self.scrollGuardCounterY % scrollGuardYield == 0 {
-        self.agent.vimInput(vimInput)
-        self.scrollGuardCounterY = 1
-      } else {
-        self.scrollGuardCounterY += 1
-      }
-    } else {
-      self.agent.vimInput(vimInput)
-    }
-  }
 }
 
 fileprivate let maxScrollDeltaX = 30

SwiftNeoVim/NeoVimView+UiBridge.swift

@@ -55,7 +55,7 @@ extension NeoVimView {
       // we don't get the puts, thus we have to redraw the put position.
       if self.usesLigatures {
         self.markForRender(region: self.grid.regionOfWord(at: self.grid.putPosition))
-
+        self.markForRender(region: self.grid.regionOfWord(at: curScreenCursor))
         self.markForRender(region: self.grid.regionOfWord(at: position))
         self.markForRender(region: self.grid.regionOfWord(at: screenCursor))
       } else {
@@ -90,7 +90,9 @@ extension NeoVimView {
   public func setScrollRegionToTop(_ top: Int, bottom: Int, left: Int, right: Int) {
     gui.async {
       self.bridgeLogger.debug("\(top):\(bottom):\(left):\(right)")
-      self.grid.setScrollRegion(Region(top: top, bottom: bottom, left: left, right: right))
+
+      let region = Region(top: top, bottom: bottom, left: left, right: right)
+      self.grid.setScrollRegion(region)
     }
   }
 

SwiftNeoVim/NeoVimView.swift

@@ -148,7 +148,8 @@ public class NeoVimView: NSView,
 
   let logger = FileLogger(as: NeoVimView.self, with: URL(fileURLWithPath: "/tmp/nvv.log"))
   let bridgeLogger = FileLogger(as: NeoVimView.self,
-                                with: URL(fileURLWithPath: "/tmp/nvv-bridge.log"))
+                                with: URL(fileURLWithPath: "/tmp/nvv-bridge.log"),
+                                shouldLogDebug: false)
   let agent: NeoVimAgent
   let grid = Grid()
 

neovim

@@ -1 +1 @@
-Subproject commit 1ff979cee6bfca5137ae8754484948628d9ef119
+Subproject commit 4b246213526564c477c96f485d4ce435628c6568