modules/javafx.graphics/src/main/native-glass/win/Robot.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 92,146 ****
      (JNIEnv *env, jobject jrobot, jint code)
  {
      KeyEvent(env, code, false);
  }
  
  /*
   * Class:     com_sun_glass_ui_win_WinRobot
   * Method:    _mouseMove
   * Signature: (II)V
   */
  JNIEXPORT void JNICALL Java_com_sun_glass_ui_win_WinRobot__1mouseMove
      (JNIEnv *env, jobject jrobot, jint x, jint y)
  {
-     int oldAccel[3], newAccel[3];
-     INT_PTR oldSpeed, newSpeed;
-     BOOL bResult;
- 
      jfloat fx = (jfloat) x + 0.5f;
      jfloat fy = (jfloat) y + 0.5f;
      GlassScreen::FX2Win(&fx, &fy);
!     x = (jint) fx;
!     y = (jint) fy;
! 
!     // The following values set mouse ballistics to 1 mickey/pixel.
!     newAccel[0] = 0;
!     newAccel[1] = 0;
!     newAccel[2] = 0;
!     newSpeed = 10;
! 
!     // Save the Current Mouse Acceleration Constants
!     bResult = ::SystemParametersInfo(SPI_GETMOUSE, 0, oldAccel, 0);
!     bResult = ::SystemParametersInfo(SPI_GETMOUSESPEED, 0, &oldSpeed, 0);
!     // Set the new Mouse Acceleration Constants (Disabled).
!     bResult = ::SystemParametersInfo(SPI_SETMOUSE, 0, newAccel, SPIF_SENDCHANGE);
!     bResult = ::SystemParametersInfo(SPI_SETMOUSESPEED, 0,
!             (PVOID)newSpeed,
!             SPIF_SENDCHANGE);
! 
!     POINT curPos;
!     ::GetCursorPos(&curPos);
!     x -= curPos.x;
!     y -= curPos.y;
! 
!     ::mouse_event(MOUSEEVENTF_MOVE, x, y, 0, 0);
!     // Move the cursor to the desired coordinates.
! 
!     // Restore the old Mouse Acceleration Constants.
!     bResult = ::SystemParametersInfo(SPI_SETMOUSE,0, oldAccel, SPIF_SENDCHANGE);
!     bResult = ::SystemParametersInfo(SPI_SETMOUSESPEED, 0, (PVOID)oldSpeed,
!             SPIF_SENDCHANGE);
  }
  
  /*
   * Class:     com_sun_glass_ui_win_WinRobot
   * Method:    _getMouseX
--- 92,124 ----
      (JNIEnv *env, jobject jrobot, jint code)
  {
      KeyEvent(env, code, false);
  }
  
+ static int signum(int i) {
+     // special version of signum which returns 1 when value is 0
+     return i >= 0 ? 1 : -1;
+     }
+ 
  /*
   * Class:     com_sun_glass_ui_win_WinRobot
   * Method:    _mouseMove
   * Signature: (II)V
   */
  JNIEXPORT void JNICALL Java_com_sun_glass_ui_win_WinRobot__1mouseMove
      (JNIEnv *env, jobject jrobot, jint x, jint y)
  {
      jfloat fx = (jfloat) x + 0.5f;
      jfloat fy = (jfloat) y + 0.5f;
      GlassScreen::FX2Win(&fx, &fy);
!     INPUT mouseInput = {0};
!     mouseInput.type = INPUT_MOUSE;
!     mouseInput.mi.time = 0;
!     mouseInput.mi.dwFlags = MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE;
!     mouseInput.mi.dx = (jint)(fx * 65535.0 / ::GetSystemMetrics(SM_CXSCREEN)) + signum((int)fx);
!     mouseInput.mi.dy = (jint)(fy * 65535.0 / ::GetSystemMetrics(SM_CYSCREEN)) + signum((int)fy);
!     ::SendInput(1, &mouseInput, sizeof(mouseInput));
  }
  
  /*
   * Class:     com_sun_glass_ui_win_WinRobot
   * Method:    _getMouseX