1 // Copyright (c) 2013 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.
5 #include "ui/base/keycodes/keycode_converter.h"
12 #define USB_KEYMAP(usb, xkb, win, mac, code) {usb, win, code}
13 #elif defined(OS_LINUX)
14 #define USB_KEYMAP(usb, xkb, win, mac, code) {usb, xkb, code}
15 #elif defined(OS_MACOSX)
16 #define USB_KEYMAP(usb, xkb, win, mac, code) {usb, mac, code}
18 #define USB_KEYMAP(usb, xkb, win, mac, code) {usb, 0, code}
20 #include "ui/base/keycodes/keycode_converter_data.h"
22 const size_t kKeycodeMapEntries = arraysize(usb_keycode_map);
26 KeycodeConverter::KeycodeConverter() {
29 KeycodeConverter* KeycodeConverter::GetInstance() {
30 return Singleton<KeycodeConverter>::get();
33 size_t KeycodeConverter::NumKeycodeMapEntriesForTest() {
34 return kKeycodeMapEntries;
37 const KeycodeMapEntry* KeycodeConverter::GetKeycodeMapForTest() {
38 return &usb_keycode_map[0];
41 uint16_t KeycodeConverter::InvalidNativeKeycode() {
42 return usb_keycode_map[0].native_keycode;
45 const char* KeycodeConverter::InvalidKeyboardEventCode() {
46 return "Unidentified";
49 const char* KeycodeConverter::NativeKeycodeToCode(uint16_t native_keycode) {
50 for (size_t i = 0; i < kKeycodeMapEntries; ++i) {
51 if (usb_keycode_map[i].native_keycode == native_keycode) {
52 if (usb_keycode_map[i].code != NULL)
53 return usb_keycode_map[i].code;
57 return InvalidKeyboardEventCode();
60 uint16_t KeycodeConverter::CodeToNativeKeycode(const char* code) {
62 strcmp(code, InvalidKeyboardEventCode()) == 0) {
63 return InvalidNativeKeycode();
66 for (size_t i = 0; i < kKeycodeMapEntries; ++i) {
67 if (usb_keycode_map[i].code &&
68 strcmp(usb_keycode_map[i].code, code) == 0) {
69 return usb_keycode_map[i].native_keycode;
72 return InvalidNativeKeycode();
76 // Note that USB keycodes are not part of any web standard.
77 // Please don't use USB keycodes in new code.
79 uint16_t KeycodeConverter::InvalidUsbKeycode() {
80 return usb_keycode_map[0].usb_keycode;
83 uint16_t KeycodeConverter::UsbKeycodeToNativeKeycode(uint32_t usb_keycode) {
84 // Deal with some special-cases that don't fit the 1:1 mapping.
85 if (usb_keycode == 0x070032) // non-US hash.
86 usb_keycode = 0x070031; // US backslash.
87 #if defined(OS_MACOSX)
88 if (usb_keycode == 0x070046) // PrintScreen.
89 usb_keycode = 0x070068; // F13.
92 for (size_t i = 0; i < kKeycodeMapEntries; ++i) {
93 if (usb_keycode_map[i].usb_keycode == usb_keycode)
94 return usb_keycode_map[i].native_keycode;
96 return InvalidNativeKeycode();
99 uint32_t KeycodeConverter::NativeKeycodeToUsbKeycode(uint16_t native_keycode) {
100 for (size_t i = 0; i < kKeycodeMapEntries; ++i) {
101 if (usb_keycode_map[i].native_keycode == native_keycode)
102 return usb_keycode_map[i].usb_keycode;
104 return InvalidUsbKeycode();
107 const char* KeycodeConverter::UsbKeycodeToCode(uint32_t usb_keycode) {
108 for (size_t i = 0; i < kKeycodeMapEntries; ++i) {
109 if (usb_keycode_map[i].usb_keycode == usb_keycode)
110 return usb_keycode_map[i].code;
112 return InvalidKeyboardEventCode();