WinHost: Add SimplePointer support

[mirror_edk2.git] / EmulatorPkg / Win / Host / WinGopInput.c

diff --git a/EmulatorPkg/Win/Host/WinGopInput.c b/EmulatorPkg/Win/Host/WinGopInput.c
index 0e8d11fc57ac31825569e4fbaf6caaa182727061..312a549847c5f303f03d0ec3ac73a88cbdaadf1f 100644 (file)
--- a/EmulatorPkg/Win/Host/WinGopInput.c
+++ b/EmulatorPkg/Win/Host/WinGopInput.c
@@ -409,9 +409,12 @@ WinNtWndCheckPointer (
 \r
   Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r
 \r
-  return EFI_NOT_READY;\r
-}\r
+  if (!Private->PointerStateChanged) {\r
+    return EFI_NOT_READY;\r
+  }\r
 \r
+  return EFI_SUCCESS;\r
+}\r
 \r
 EFI_STATUS\r
 EFIAPI\r
@@ -424,5 +427,21 @@ WinNtWndGetPointerState (
 \r
   Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r
 \r
-  return EFI_NOT_READY;\r
+  if (!Private->PointerStateChanged) {\r
+    return EFI_NOT_READY;\r
+  }\r
+\r
+  State->RelativeMovementX = Private->PointerState.RelativeMovementX;\r
+  State->RelativeMovementY = Private->PointerState.RelativeMovementY;\r
+  State->RelativeMovementZ = Private->PointerState.RelativeMovementZ;\r
+  State->LeftButton        = Private->PointerState.LeftButton;\r
+  State->RightButton       = Private->PointerState.RightButton;\r
+\r
+  Private->PointerState.RelativeMovementX = 0;\r
+  Private->PointerState.RelativeMovementY = 0;\r
+  Private->PointerState.RelativeMovementZ = 0;\r
+\r
+  Private->PointerStateChanged = FALSE;\r
+\r
+  return EFI_SUCCESS;\r
 }\r