mojo/views/input_method_mojo_linux.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/views/input_method_mojo_linux.h"
   6
   7 #include "ui/base/ime/text_input_client.h"
   8 #include "ui/events/event.h"
   9
  10 namespace mojo {
  11
  12 InputMethodMojoLinux::InputMethodMojoLinux(
  13     ui::internal::InputMethodDelegate* delegate)
  14     : ui::InputMethodAuraLinux(delegate) {
  15 }
  16
  17 InputMethodMojoLinux::~InputMethodMojoLinux() {}
  18
  19 bool InputMethodMojoLinux::DispatchKeyEvent(const ui::KeyEvent& event) {
  20   DCHECK(event.type() == ui::ET_KEY_PRESSED ||
  21          event.type() == ui::ET_KEY_RELEASED);
  22   DCHECK(system_toplevel_window_focused());
  23
  24   // If no text input client, do nothing.
  25   if (!GetTextInputClient())
  26     return DispatchKeyEventPostIME(event);
  27
  28   // Here is where we change the differ from our base class's logic. Instead of
  29   // always dispatching a key down event, and then sending a synthesized
  30   // character event, we instead check to see if this is a character event and
  31   // send out the key if it is. (We fallback to normal dispatch if it isn't.)
  32   if (event.is_char()) {
  33     const uint16 ch = event.GetCharacter();
  34     if (GetTextInputClient())
  35       GetTextInputClient()->InsertChar(ch, event.flags());
  36
  37     return false;
  38   }
  39
  40   return DispatchKeyEventPostIME(event);
  41 }
  42
  43 }  // namespace mojo