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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <algorithm>
#include <iterator>
#include "base/strings/utf_string_conversions.h"
#include "chrome/test/chromedriver/chrome/ui_events.h"
#include "chrome/test/chromedriver/keycode_text_conversion.h"
#include "ui/base/x/x11_util.h"
#include "ui/events/keycodes/keyboard_code_conversion_x.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/keysyms/keysyms.h"
namespace {
struct KeyCodeAndXKeyCode {
ui::KeyboardCode key_code;
int x_key_code;
};
// Contains a list of keyboard codes, in order, with their corresponding
// X key code. This list is not complete.
// TODO(kkania): Merge this table with the existing one in
// keyboard_code_conversion_x.cc.
constexpr KeyCodeAndXKeyCode kKeyCodeToXKeyCode[] = {
{ui::VKEY_BACK, 22}, {ui::VKEY_TAB, 23},
{ui::VKEY_RETURN, 36}, {ui::VKEY_SHIFT, 50},
{ui::VKEY_CONTROL, 37}, {ui::VKEY_MENU, 64},
{ui::VKEY_CAPITAL, 66}, {ui::VKEY_HANGUL, 130},
{ui::VKEY_HANJA, 131}, {ui::VKEY_ESCAPE, 9},
{ui::VKEY_SPACE, 65}, {ui::VKEY_PRIOR, 112},
{ui::VKEY_NEXT, 117}, {ui::VKEY_END, 115},
{ui::VKEY_HOME, 110}, {ui::VKEY_LEFT, 113},
{ui::VKEY_UP, 111}, {ui::VKEY_RIGHT, 114},
{ui::VKEY_DOWN, 116}, {ui::VKEY_INSERT, 118},
{ui::VKEY_DELETE, 119}, {ui::VKEY_0, 19},
{ui::VKEY_1, 10}, {ui::VKEY_2, 11},
{ui::VKEY_3, 12}, {ui::VKEY_4, 13},
{ui::VKEY_5, 14}, {ui::VKEY_6, 15},
{ui::VKEY_7, 16}, {ui::VKEY_8, 17},
{ui::VKEY_9, 18}, {ui::VKEY_A, 38},
{ui::VKEY_B, 56}, {ui::VKEY_C, 54},
{ui::VKEY_D, 40}, {ui::VKEY_E, 26},
{ui::VKEY_F, 41}, {ui::VKEY_G, 42},
{ui::VKEY_H, 43}, {ui::VKEY_I, 31},
{ui::VKEY_J, 44}, {ui::VKEY_K, 45},
{ui::VKEY_L, 46}, {ui::VKEY_M, 58},
{ui::VKEY_N, 57}, {ui::VKEY_O, 32},
{ui::VKEY_P, 33}, {ui::VKEY_Q, 24},
{ui::VKEY_R, 27}, {ui::VKEY_S, 39},
{ui::VKEY_T, 28}, {ui::VKEY_U, 30},
{ui::VKEY_V, 55}, {ui::VKEY_W, 25},
{ui::VKEY_X, 53}, {ui::VKEY_Y, 29},
{ui::VKEY_Z, 52}, {ui::VKEY_LWIN, 133},
{ui::VKEY_NUMPAD0, 90}, {ui::VKEY_NUMPAD1, 87},
{ui::VKEY_NUMPAD2, 88}, {ui::VKEY_NUMPAD3, 89},
{ui::VKEY_NUMPAD4, 83}, {ui::VKEY_NUMPAD5, 84},
{ui::VKEY_NUMPAD6, 85}, {ui::VKEY_NUMPAD7, 79},
{ui::VKEY_NUMPAD8, 80}, {ui::VKEY_NUMPAD9, 81},
{ui::VKEY_MULTIPLY, 63}, {ui::VKEY_ADD, 86},
{ui::VKEY_SUBTRACT, 82}, {ui::VKEY_DECIMAL, 129},
{ui::VKEY_DIVIDE, 106}, {ui::VKEY_F1, 67},
{ui::VKEY_F2, 68}, {ui::VKEY_F3, 69},
{ui::VKEY_F4, 70}, {ui::VKEY_F5, 71},
{ui::VKEY_F6, 72}, {ui::VKEY_F7, 73},
{ui::VKEY_F8, 74}, {ui::VKEY_F9, 75},
{ui::VKEY_F10, 76}, {ui::VKEY_F11, 95},
{ui::VKEY_F12, 96}, {ui::VKEY_NUMLOCK, 77},
{ui::VKEY_SCROLL, 78}, {ui::VKEY_OEM_1, 47},
{ui::VKEY_OEM_PLUS, 21}, {ui::VKEY_OEM_COMMA, 59},
{ui::VKEY_OEM_MINUS, 20}, {ui::VKEY_OEM_PERIOD, 60},
{ui::VKEY_OEM_2, 61}, {ui::VKEY_OEM_3, 49},
{ui::VKEY_OEM_4, 34}, {ui::VKEY_OEM_5, 51},
{ui::VKEY_OEM_6, 35}, {ui::VKEY_OEM_7, 48}};
// Returns the equivalent X key code for the given key code. Returns -1 if
// no X equivalent was found.
int KeyboardCodeToXKeyCode(ui::KeyboardCode key_code) {
KeyCodeAndXKeyCode find = {.key_code = key_code};
const KeyCodeAndXKeyCode* found = std::ranges::lower_bound(
kKeyCodeToXKeyCode, find,
[](const KeyCodeAndXKeyCode& a, const KeyCodeAndXKeyCode& b) {
return a.key_code < b.key_code;
});
if (found >= std::end(kKeyCodeToXKeyCode) || found->key_code != key_code) {
return -1;
}
return found->x_key_code;
}
// Gets the X modifier mask (Mod1Mask through Mod5Mask) for the given
// modifier. Only checks the alt, meta, and num lock keys currently.
// Returns true on success.
bool GetXModifierMask(x11::Connection* connection,
int modifier,
x11::KeyButMask* x_modifier) {
auto mod_map = connection->GetModifierMapping().Sync();
if (!mod_map) {
return false;
}
bool found = false;
size_t key_idx = 0;
for (; !found && key_idx < mod_map->keycodes.size(); ++key_idx) {
auto key = mod_map->keycodes[key_idx];
auto keysym = x11::Connection::Get()->KeycodeToKeysym(key, 0);
found = (modifier == kAltKeyModifierMask &&
(keysym == XK_Alt_L || keysym == XK_Alt_R)) ||
(modifier == kMetaKeyModifierMask &&
(keysym == XK_Meta_L || keysym == XK_Meta_R)) ||
(modifier == kNumLockKeyModifierMask && keysym == XK_Num_Lock);
}
if (found) {
int max_mod_keys = mod_map->keycodes_per_modifier;
int mod_index = key_idx / max_mod_keys;
*x_modifier = static_cast<x11::KeyButMask>(1 << mod_index);
}
return found;
}
} // namespace
bool ConvertKeyCodeToText(ui::KeyboardCode key_code,
int modifiers,
std::string* text,
std::string* error_msg) {
auto* connection = x11::Connection::Get();
if (!connection || !connection->Ready()) {
return ConvertKeyCodeToTextOzone(key_code, modifiers, text, error_msg);
}
*error_msg = std::string();
int x_key_code = KeyboardCodeToXKeyCode(key_code);
if (x_key_code == -1) {
*text = std::string();
return true;
}
x11::KeyEvent key_event;
x11::KeyButMask state{};
key_event.detail = static_cast<x11::KeyCode>(x_key_code);
if (modifiers & kShiftKeyModifierMask)
state = state | x11::KeyButMask::Shift;
if (modifiers & kControlKeyModifierMask)
state = state | x11::KeyButMask::Control;
// Make a best attempt for non-standard modifiers.
x11::KeyButMask x_modifier;
if (modifiers & kAltKeyModifierMask &&
GetXModifierMask(connection, kAltKeyModifierMask, &x_modifier)) {
state = state | x_modifier;
}
if (modifiers & kMetaKeyModifierMask &&
GetXModifierMask(connection, kMetaKeyModifierMask, &x_modifier)) {
state = state | x_modifier;
}
if (modifiers & kNumLockKeyModifierMask &&
GetXModifierMask(connection, kNumLockKeyModifierMask, &x_modifier)) {
state = state | x_modifier;
}
key_event.state = state;
key_event.opcode = x11::KeyEvent::Press;
x11::Event event(false, std::move(key_event));
uint16_t character = ui::GetCharacterFromXEvent(event);
if (character) {
*text = base::UTF16ToUTF8(std::u16string(1, character));
} else {
*text = std::string();
}
return true;
}
bool ConvertCharToKeyCode(char16_t key,
ui::KeyboardCode* key_code,
int* necessary_modifiers,
std::string* error_msg) {
if (!x11::Connection::Get()->Ready()) {
return ConvertCharToKeyCodeOzone(key, key_code, necessary_modifiers,
error_msg);
}
std::string key_string(base::UTF16ToUTF8(std::u16string(1, key)));
bool found = false;
ui::KeyboardCode test_code;
int test_modifiers;
*error_msg = std::string();
std::string conv_string;
for (auto& i : kKeyCodeToXKeyCode) {
test_code = i.key_code;
// Skip the numpad keys.
if (test_code >= ui::VKEY_NUMPAD0 && test_code <= ui::VKEY_DIVIDE)
continue;
test_modifiers = 0;
if (!ConvertKeyCodeToText(test_code, test_modifiers, &conv_string,
error_msg))
return false;
if (conv_string == key_string) {
found = true;
break;
}
test_modifiers = kShiftKeyModifierMask;
if (!ConvertKeyCodeToText(test_code, test_modifiers, &conv_string,
error_msg))
return false;
if (conv_string == key_string) {
found = true;
break;
}
}
if (found) {
*key_code = test_code;
*necessary_modifiers = test_modifiers;
}
return found;
}
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