Scale touch event radius

ui/events/x/device_data_manager_x11.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/x/device_data_manager_x11.h"
 
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xlib.h>
 
@@ skipping 45 matching lines @@
 // Cros metrics gesture from touchpad
 #define AXIS_LABEL_PROP_ABS_METRICS_TYPE      "Abs Metrics Type"
 #define AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA1 "Abs Dbl Metrics Data 1"
 #define AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA2 "Abs Dbl Metrics Data 2"
 
 // Touchscreen multi-touch
 #define AXIS_LABEL_ABS_MT_TOUCH_MAJOR "Abs MT Touch Major"
 #define AXIS_LABEL_ABS_MT_TOUCH_MINOR "Abs MT Touch Minor"
 #define AXIS_LABEL_ABS_MT_ORIENTATION "Abs MT Orientation"
 #define AXIS_LABEL_ABS_MT_PRESSURE    "Abs MT Pressure"
+#define AXIS_LABEL_ABS_MT_POSITION_X  "Abs MT Position X"
+#define AXIS_LABEL_ABS_MT_POSITION_Y  "Abs MT Position Y"
 #define AXIS_LABEL_ABS_MT_TRACKING_ID "Abs MT Tracking ID"
 #define AXIS_LABEL_TOUCH_TIMESTAMP    "Touch Timestamp"
 
 // When you add new data types, please make sure the order here is aligned
 // with the order in the DataType enum in the header file because we assume
 // they are in sync when updating the device list (see UpdateDeviceList).
 const char* kCachedAtoms[] = {
   AXIS_LABEL_PROP_REL_HWHEEL,
   AXIS_LABEL_PROP_REL_WHEEL,
   AXIS_LABEL_PROP_ABS_DBL_ORDINAL_X,
   AXIS_LABEL_PROP_ABS_DBL_ORDINAL_Y,
   AXIS_LABEL_PROP_ABS_DBL_START_TIME,
   AXIS_LABEL_PROP_ABS_DBL_END_TIME,
   AXIS_LABEL_PROP_ABS_DBL_FLING_VX,
   AXIS_LABEL_PROP_ABS_DBL_FLING_VY,
   AXIS_LABEL_PROP_ABS_FLING_STATE,
   AXIS_LABEL_PROP_ABS_METRICS_TYPE,
   AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA1,
   AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA2,
   AXIS_LABEL_PROP_ABS_FINGER_COUNT,
   AXIS_LABEL_ABS_MT_TOUCH_MAJOR,
   AXIS_LABEL_ABS_MT_TOUCH_MINOR,
   AXIS_LABEL_ABS_MT_ORIENTATION,
   AXIS_LABEL_ABS_MT_PRESSURE,
+  AXIS_LABEL_ABS_MT_POSITION_X,
+  AXIS_LABEL_ABS_MT_POSITION_Y,
   AXIS_LABEL_ABS_MT_TRACKING_ID,
   AXIS_LABEL_TOUCH_TIMESTAMP,
 
   NULL
 };
 
 // Constants for checking if a data type lies in the range of CMT/Touch data
 // types.
 const int kCMTDataTypeStart = ui::DeviceDataManagerX11::DT_CMT_SCROLL_X;
 const int kCMTDataTypeEnd = ui::DeviceDataManagerX11::DT_CMT_FINGER_COUNT;
@@ skipping 603 matching lines @@
     case GenericEvent:
       return blocked_devices_.test(
           static_cast<XIDeviceEvent*>(native_event->xcookie.data)->sourceid);
     default:
       break;
   }
   return false;
 }
 
 }  // namespace ui