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. 4 5 #include "chrome/test/chromedriver/keycode_text_conversion.h" 6 7 #include <windows.h> 8 9 #include <cctype> 10 11 #include "base/strings/utf_string_conversions.h" 12 #include "chrome/test/chromedriver/chrome/ui_events.h" 13 14 bool ConvertKeyCodeToText( 15 ui::KeyboardCode key_code, int modifiers, std::string* text, 16 std::string* error_msg) { 17 UINT scan_code = ::MapVirtualKeyW(key_code, MAPVK_VK_TO_VSC); 18 BYTE keyboard_state[256]; 19 memset(keyboard_state, 0, 256); 20 *error_msg = std::string(); 21 if (modifiers & kShiftKeyModifierMask) 22 keyboard_state[VK_SHIFT] |= 0x80; 23 if (modifiers & kControlKeyModifierMask) 24 keyboard_state[VK_CONTROL] |= 0x80; 25 if (modifiers & kAltKeyModifierMask) 26 keyboard_state[VK_MENU] |= 0x80; 27 wchar_t chars[5]; 28 int code = ::ToUnicode(key_code, scan_code, keyboard_state, chars, 4, 0); 29 // |ToUnicode| converts some non-text key codes like F1 to various ASCII 30 // control chars. Filter those out. 31 if (code <= 0 || (code == 1 && std::iscntrl(chars[0]))) 32 *text = std::string(); 33 else 34 WideToUTF8(chars, code, text); 35 return true; 36 } 37 38 bool ConvertCharToKeyCode( 39 char16 key, ui::KeyboardCode* key_code, int *necessary_modifiers, 40 std::string* error_msg) { 41 short vkey_and_modifiers = ::VkKeyScanW(key); 42 bool translated = vkey_and_modifiers != -1 && 43 LOBYTE(vkey_and_modifiers) != -1 && 44 HIBYTE(vkey_and_modifiers) != -1; 45 *error_msg = std::string(); 46 if (translated) { 47 *key_code = static_cast<ui::KeyboardCode>(LOBYTE(vkey_and_modifiers)); 48 int win_modifiers = HIBYTE(vkey_and_modifiers); 49 int modifiers = 0; 50 if (win_modifiers & 0x01) 51 modifiers |= kShiftKeyModifierMask; 52 if (win_modifiers & 0x02) 53 modifiers |= kControlKeyModifierMask; 54 if (win_modifiers & 0x04) 55 modifiers |= kAltKeyModifierMask; 56 // Ignore bit 0x08: It is for Hankaku key. 57 *necessary_modifiers = modifiers; 58 } 59 return translated; 60 } 61
