| // Copyright 2013 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 "build/build_config.h" |
| #include "ui/events/event_switches.h" |
| |
| namespace switches { |
| |
| // Enable compensation for unstable pinch zoom. Some touch screens display |
| // significant amount of wobble when moving a finger in a straight line. This |
| // makes two finger scroll trigger an oscillating pinch zoom. See |
| // crbug.com/394380 for details. |
| const char kCompensateForUnstablePinchZoom[] = |
| "compensate-for-unstable-pinch-zoom"; |
| |
| #if defined(OS_LINUX) || defined(OS_CHROMEOS) |
| // Tells chrome to interpret events from these devices as touch events. Only |
| // available with XInput 2 (i.e. X server 1.8 or above). The id's of the |
| // devices can be retrieved from 'xinput list'. |
| const char kTouchDevices[] = "touch-devices"; |
| |
| // Tells chrome to interpret events from these devices as pen events. Only |
| // available with XInput 2 (i.e. X server 1.8 or above). The id's of the |
| // devices can be retrieved from 'xinput list'. |
| const char kPenDevices[] = "pen-devices"; |
| #endif |
| |
| #if defined(USE_X11) || defined(USE_OZONE) |
| // Tells Chrome to do edge touch filtering. Useful for convertible tablet. |
| const char kEdgeTouchFiltering[] = "edge-touch-filtering"; |
| |
| // Disable CancelAllTouches() function for the implementation on cancel single |
| // touches. |
| const char kDisableCancelAllTouches[] = "disable-cancel-all-touches"; |
| #endif |
| |
| } // namespace switches |
