From 13f55011c0bb726092ec8d78557432bc4adfe37f Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Sat, 11 Jan 2020 12:56:46 +1100
Subject: [PATCH] [client] don't draw the cursor if it leaves the frame

---
 VERSION           |  2 +-
 client/src/main.c | 13 ++++++++++++-
 client/src/main.h |  1 +
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/VERSION b/VERSION
index 7c99d9d1..f2fb620c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B1-77-g80f3c7934a+1
\ No newline at end of file
+B1-78-g05dc713dac+1
\ No newline at end of file
diff --git a/client/src/main.c b/client/src/main.c
index a0177ac5..87f71452 100644
--- a/client/src/main.c
+++ b/client/src/main.c
@@ -277,7 +277,7 @@ static int cursorThread(void * unused)
           state.lgr->on_mouse_event
           (
             state.lgrData,
-            state.cursorVisible && state.drawCursor,
+            state.cursorVisible && state.drawCursor && state.cursorInView,
             state.cursor.x,
             state.cursor.y
           );
@@ -686,7 +686,17 @@ static void handleMouseMoveEvent(int ex, int ey)
         ex > state.dstRect.x + state.dstRect.w ||
         ey < state.dstRect.y                   ||
         ey > state.dstRect.y + state.dstRect.h)
+    {
+      state.cursorInView = false;
+      state.updateCursor = true;
       return;
+    }
+  }
+
+  if (!state.cursorInView)
+  {
+    state.cursorInView = true;
+    state.updateCursor = true;
   }
 
   int rx = ex - state.curLastX;
@@ -760,6 +770,7 @@ static void handleWindowLeave()
     return;
 
   state.drawCursor   = false;
+  state.cursorInView = false;
   state.updateCursor = true;
 }
 
diff --git a/client/src/main.h b/client/src/main.h
index c2c0c1d1..34037afd 100644
--- a/client/src/main.h
+++ b/client/src/main.h
@@ -47,6 +47,7 @@ struct AppState
   bool  serverMode;
   bool  haveCursorPos;
   bool  drawCursor;
+  bool  cursorInView;
   bool  updateCursor;
   float scaleX, scaleY;
   float accX, accY;