// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:path/path.dart' as path; import 'base_code_gen.dart'; import 'key_data.dart'; import 'utils.dart'; /// Generates the key mapping of GLFW, based on the information in the key /// data structure given to it. class GlfwCodeGenerator extends PlatformCodeGenerator { GlfwCodeGenerator(KeyData keyData) : super(keyData); /// This generates the map of GLFW number pad key codes to logical keys. String get _glfwNumpadMap { final StringBuffer glfwNumpadMap = StringBuffer(); for (final Key entry in numpadKeyData) { if (entry.glfwKeyCodes != null) { for (final int code in entry.glfwKeyCodes.cast<int>()) { glfwNumpadMap.writeln(' { $code, ${toHex(entry.flutterId, digits: 10)} }, // ${entry.constantName}'); } } } return glfwNumpadMap.toString().trimRight(); } /// This generates the map of GLFW key codes to logical keys. String get _glfwKeyCodeMap { final StringBuffer glfwKeyCodeMap = StringBuffer(); for (final Key entry in keyData.data) { if (entry.glfwKeyCodes != null) { for (final int code in entry.glfwKeyCodes.cast<int>()) { glfwKeyCodeMap.writeln(' { $code, ${toHex(entry.flutterId, digits: 10)} }, // ${entry.constantName}'); } } } return glfwKeyCodeMap.toString().trimRight(); } @override String get templatePath => path.join(flutterRoot.path, 'dev', 'tools', 'gen_keycodes', 'data', 'keyboard_map_glfw_cc.tmpl'); @override Map<String, String> mappings() { return <String, String>{ 'GLFW_KEY_CODE_MAP': _glfwKeyCodeMap, 'GLFW_NUMPAD_MAP': _glfwNumpadMap, }; } }