content/browser/renderer_host/web_input_event_aurax11.cc

   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
   3 // found in the LICENSE file.
   4
   5 // Portions based heavily on:
   6 // third_party/WebKit/public/web/gtk/WebInputEventFactory.cpp
   7 //
   8 /*
   9  * Copyright (C) 2006-2011 Google Inc. All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions are
  13  * met:
  14  *
  15  *     * Redistributions of source code must retain the above copyright
  16  * notice, this list of conditions and the following disclaimer.
  17  *     * Redistributions in binary form must reproduce the above
  18  * copyright notice, this list of conditions and the following disclaimer
  19  * in the documentation and/or other materials provided with the
  20  * distribution.
  21  *     * Neither the name of Google Inc. nor the names of its
  22  * contributors may be used to endorse or promote products derived from
  23  * this software without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  32  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include "content/browser/renderer_host/web_input_event_aura.h"
  39
  40 #include <X11/keysym.h>
  41 #include <X11/Xlib.h>
  42 #include <X11/Xutil.h>
  43 #include <cstdlib>
  44
  45 #include "base/event_types.h"
  46 #include "base/logging.h"
  47 #include "content/browser/renderer_host/ui_events_helper.h"
  48 #include "ui/events/event.h"
  49 #include "ui/events/event_constants.h"
  50 #include "ui/events/event_utils.h"
  51 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
  52 #include "ui/events/keycodes/keyboard_codes.h"
  53
  54 namespace content {
  55
  56 // chromium WebKit does not provide a WebInputEventFactory for X11, so we have
  57 // to do the work here ourselves.
  58
  59 blink::WebKeyboardEvent MakeWebKeyboardEventFromAuraEvent(
  60     ui::KeyEvent* event) {
  61   const base::NativeEvent& native_event = event->native_event();
  62   blink::WebKeyboardEvent webkit_event;
  63   XKeyEvent* native_key_event = &native_event->xkey;
  64
  65   webkit_event.timeStampSeconds = event->time_stamp().InSecondsF();
  66   webkit_event.modifiers = EventFlagsToWebEventModifiers(event->flags());
  67
  68   switch (native_event->type) {
  69     case KeyPress:
  70       webkit_event.type = event->is_char() ? blink::WebInputEvent::Char :
  71           blink::WebInputEvent::RawKeyDown;
  72       break;
  73     case KeyRelease:
  74       webkit_event.type = blink::WebInputEvent::KeyUp;
  75       break;
  76     default:
  77       NOTREACHED();
  78   }
  79
  80   if (webkit_event.modifiers & blink::WebInputEvent::AltKey)
  81     webkit_event.isSystemKey = true;
  82
  83   webkit_event.windowsKeyCode = ui::WindowsKeycodeFromNative(native_event);
  84   webkit_event.nativeKeyCode = native_key_event->keycode;
  85   webkit_event.unmodifiedText[0] =
  86       ui::UnmodifiedTextFromNative(native_event);
  87   webkit_event.text[0] = ui::TextFromNative(native_event);
  88
  89   webkit_event.setKeyIdentifierFromWindowsKeyCode();
  90
  91   // TODO: IsKeyPad?
  92
  93   return webkit_event;
  94 }
  95
  96 }  // namespace content