ui/base/touch/touch_device_win.cc - Issue 11778042: Corrected logic in IsTouchDevicePresent to ignore pen devices.

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Side by Side Diff: ui/base/touch/touch_device_win.cc

Issue 11778042: Corrected logic in IsTouchDevicePresent to ignore pen devices. (Closed) Base URL: http://git.chromium.org/chromium/src.git@master

Patch Set: Created 7 years, 11 months ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include "ui/base/touch/touch_device_win.h"	5 #include "ui/base/touch/touch_device_win.h"

6 #include "base/win/windows_version.h"	6 #include "base/win/windows_version.h"

7 #include <windows.h>	7 #include <windows.h>

8	8

9 namespace ui {	9 namespace ui {

10	10

11 bool IsTouchDevicePresent() {	11 bool IsTouchDevicePresent() {

12 // Docs: http://msdn.microsoft.com/en-us/library/dd371581(VS.85).aspx	12 int value = GetSystemMetrics(SM_DIGITIZER);

13 return (::base::win::GetVersion() >= ::base::win::VERSION_WIN7) &&	13 return (value & (NID_READY \| NID_INTEGRATED_TOUCH)) ==

14 (::GetSystemMetrics(SM_DIGITIZER) > 0);	14 (NID_READY \| NID_INTEGRATED_TOUCH);

15 }	15 }

16	16

17 } // namespace ui	17 } // namespace ui

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