// Copyright (c) 2011 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.

// Protocol for event messages.

syntax = "proto2";

option optimize_for = LITE_RUNTIME;

package remoting.protocol;

// Defines a keyboard event.
message KeyEvent {
  // The POSIX key code.
  required int32 keycode = 1;
  required bool pressed = 2;
}

// Defines a mouse event message on the event channel. 
message MouseEvent {

  enum MouseButton {
    BUTTON_UNDEFINED = 0;
    BUTTON_LEFT = 1;
    BUTTON_MIDDLE = 2;
    BUTTON_RIGHT = 3;
    BUTTON_MAX = 4;
  }

  // Mouse position information.
  optional int32 x = 1;
  optional int32 y = 2;

  // Mouse wheel information.
  // These values encode the number of wheel 'ticks' (sometimes called
  // 'clicks' although 'ticks' is the most common cross-platform term).
  // Additional fields may be added later to support high-resolution devices.
  optional int32 wheel_offset_x = 3;
  optional int32 wheel_offset_y = 4;

  // Mouse button event.
  optional MouseButton button = 5;
  optional bool button_down = 6;
}