2 * Copyright (C) 2009 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include "public/web/WebInputEvent.h"
34 #include "platform/KeyboardCodes.h"
35 #include "wtf/Assertions.h"
36 #include "wtf/StringExtras.h"
41 struct SameSizeAsWebInputEvent {
45 struct SameSizeAsWebKeyboardEvent : public SameSizeAsWebInputEvent {
49 struct SameSizeAsWebMouseEvent : public SameSizeAsWebInputEvent {
53 struct SameSizeAsWebMouseWheelEvent : public SameSizeAsWebMouseEvent {
54 int mousewheelData[12];
57 struct SameSizeAsWebGestureEvent : public SameSizeAsWebInputEvent {
61 struct SameSizeAsWebTouchEvent : public SameSizeAsWebInputEvent {
62 WebTouchPoint touchPoints[WebTouchEvent::touchesLengthCap];
66 COMPILE_ASSERT(sizeof(WebInputEvent) == sizeof(SameSizeAsWebInputEvent), WebInputEvent_has_gaps);
67 COMPILE_ASSERT(sizeof(WebKeyboardEvent) == sizeof(SameSizeAsWebKeyboardEvent), WebKeyboardEvent_has_gaps);
68 COMPILE_ASSERT(sizeof(WebMouseEvent) == sizeof(SameSizeAsWebMouseEvent), WebMouseEvent_has_gaps);
69 COMPILE_ASSERT(sizeof(WebMouseWheelEvent) == sizeof(SameSizeAsWebMouseWheelEvent), WebMouseWheelEvent_has_gaps);
70 COMPILE_ASSERT(sizeof(WebGestureEvent) == sizeof(SameSizeAsWebGestureEvent), WebGestureEvent_has_gaps);
71 COMPILE_ASSERT(sizeof(WebTouchEvent) == sizeof(SameSizeAsWebTouchEvent), WebTouchEvent_has_gaps);
73 static const char* staticKeyIdentifiers(unsigned short keyCode)
93 case 0x0A: // Carriage return
161 return "PrintScreen";
171 return "U+007F"; // Standard says that DEL becomes U+007F.
172 case VKEY_MEDIA_NEXT_TRACK:
173 return "MediaNextTrack";
174 case VKEY_MEDIA_PREV_TRACK:
175 return "MediaPreviousTrack";
176 case VKEY_MEDIA_STOP:
178 case VKEY_MEDIA_PLAY_PAUSE:
179 return "MediaPlayPause";
180 case VKEY_VOLUME_MUTE:
182 case VKEY_VOLUME_DOWN:
191 void WebKeyboardEvent::setKeyIdentifierFromWindowsKeyCode()
193 const char* id = staticKeyIdentifiers(windowsKeyCode);
195 strncpy(keyIdentifier, id, sizeof(keyIdentifier) - 1);
196 keyIdentifier[sizeof(keyIdentifier) - 1] = '\0';
198 snprintf(keyIdentifier, sizeof(keyIdentifier), "U+%04X", toupper(windowsKeyCode));
202 int WebKeyboardEvent::windowsKeyCodeWithoutLocation(int keycode)
220 int WebKeyboardEvent::locationModifiersFromWindowsKeyCode(int keycode)