{"id":7229,"date":"2020-07-05T23:31:25","date_gmt":"2020-07-05T14:31:25","guid":{"rendered":"https:\/\/theolizer.com\/?p=7229"},"modified":"2020-07-05T23:31:25","modified_gmt":"2020-07-05T14:31:25","slug":"cpp-school4-4","status":"publish","type":"post","link":"https:\/\/theolizer.com\/cpp-school4\/cpp-school4-4\/","title":{"rendered":"\u7b2c4\u56de QML\u3067\u8a18\u8ff0\u3057\u305f\u30a6\u30a3\u30f3\u30c9\u30a6\u3092C++\u304b\u3089\u5236\u5fa1\u3059\u308b"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u7530\u539f\u3067\u3059\u3002<\/p>\n<p><a href=\"\/cpp-school4\/cpp-school4-3\/\" title=\"\u7b2c3\u56de \uff12\u3064\u306eGUI\u958b\u767a\u8981\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff08Qt Widgets\u3068Qt Quick\uff09\">\u524d\u56de<\/a>\u3001Qt\u306fQt Widgets\u3068Qt Quick\u306e\uff12\u3064\u306e\u65b9\u6cd5\u3067GUI\u958b\u767a\u3067\u304d\u5f53\u8b1b\u5ea7\u3067\u306fQt Quick\u3092\u7528\u3044\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<br \/>\nQt Quick\u3067\u306fGUI\u3092QML\uff08<a href=\"https:\/\/www.qt.io\/jp\/blog\/2010\/07\/09\/what-is-the-qt-quick\" target=\"_blank\" rel=\"noopener noreferrer\">Qt Meta-Object Language<\/a>\uff09\u3068\u3044\u3046\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u8a18\u8ff0\u8a00\u8a9e\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002\u3064\u307e\u308aC++\u3068QML\u9593\u3067\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306e\u91cd\u8907\u3057\u305f\u8907\u6570\u306e\u65b9\u6cd5\u304c\u3042\u308a\u3001\u3069\u308c\u3092\u4f7f\u3044\u306e\u304c\u826f\u3044\u304b\u60a9\u307e\u3057\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u79c1\u306a\u308a\u306b\u6574\u7406\u3057\u4f7f\u3044\u52dd\u624b\u306e\u826f\u3055\u305d\u3046\u306a\u65b9\u6cd5\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<h3>\uff11\uff0e\u76ee\u6a19<\/h3>\n<ol>\n<li>C++\u5074\u306eGUI\u5236\u5fa1\u90e8\u3092\u30af\u30e9\u30b9\uff08Window\u30af\u30e9\u30b9\uff09\u306b\u307e\u3068\u3081\u3001\u304b\u3064\u3001\u3067\u304d\u308b\u3060\u3051\u4ed6\u306e\u90e8\u5206\u304b\u3089\u72ec\u7acb\u3055\u305b\u307e\u3059<br \/>\n\u7d4c\u9a13\u7684\u306b\u3001GUI\u90e8\u306f\u30ed\u30b8\u30c3\u30af\u304b\u3089\u9069\u5ea6\u306b\u5206\u96e2\uff08\u6ce8\uff11\uff09\u3057\u305f\u65b9\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3084\u3059\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u591a\u304f\u306eQML\u30b5\u30f3\u30d7\u30eb\u30fb\u30bd\u30fc\u30b9\u306fQQmlApplicationEngine\uff08QML\u3092\u89e3\u91c8\u3057\u51e6\u7406\u3059\u308b\u30a8\u30f3\u30b8\u30f3\uff09\u3092main.cpp\u3067\u751f\u6210\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u5168\u3066\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u304cmain.cpp\u306b\u4f9d\u5b58\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u907f\u3051\u305f\u3044\u3067\u3059\u3002<\/li>\n<li>GUI\u90e8\u306fQML\u3067\u8a18\u8ff0\u3057C++\u5074\u304b\u3089\u5236\u5fa1\u3057\u307e\u3059<br \/>\nQt Quick\u306eGUI\u90e8\u3092C++\u3067\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u9b3c\u306e\u3088\u3046\u306b\u82e6\u52b4\u3057\u305d\u3046\u3067\u3059\u3002\u3057\u304b\u3057QML\u3067\u8a18\u8ff0\u3059\u308b\u3068\u6bd4\u8f03\u7684\u5bb9\u6613\u306bGUI\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002\uff08\u30c7\u30b6\u30a4\u30ca\u30fc\u3092\u4f7f\u3048\u308b\u3068\u3088\u308a\u304a\u624b\u8efd\u306a\u306e\u3067\u3059\u304c\u3001QML\u30c7\u30b6\u30a4\u30ca\u30fc\u306fQML\u306e\u5f37\u529b\u3055\u306b\u5341\u5206\u306b\u306f\u5bfe\u5fdc\u51fa\u6765\u3066\u304a\u3089\u305a\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\uff09<br \/>\nQML\u306f\u5b9f\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u3001<a href=\"https:\/\/ja.wikipedia.org\/wiki\/V8_(JavaScript%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%B3)\" rel=\"noopener noreferrer\" target=\"_blank\">V8\u3068\u3044\u3046JavaScript\u30a8\u30f3\u30b8\u30f3<\/a>\u4e0a\u306eJavaScript\u3092\u4f7f\u3048\u308b\u305f\u3081\u3001C++\u3092\u4f7f\u308f\u306a\u3044\u3067\u3082\u305d\u308c\u306a\u308a\u306b\u9ad8\u5ea6\u306a\u30a2\u30d7\u30ea\u3092\u958b\u767a\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6211\u3005\u306fC++\u306eGUI\u958b\u767a\u30c4\u30fc\u30eb\u3068\u3057\u3066QML\u3092\u4f7f\u3044\u307e\u3059\u306e\u3067\u3001C++\u5074\u304b\u3089QML\u3067\u8a18\u8ff0\u3057\u305fGUI\u3092\u5236\u5fa1\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>C++\u5074\u306eWindow\u30af\u30e9\u30b9\u304b\u3089QML\u5074\u306eGUI\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5bb9\u6613\u306b\u5236\u5fa1\u3057\u305f\u3044\u3067\u3059<br \/>\nC++\u5074\u3068QML\u5074\u306e\u901a\u4fe1\u65b9\u6cd5\u3068\u3057\u3066Qt\u306f\u69d8\u3005\u306a\u65b9\u6cd5\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u3042\u307e\u308a\u306b\u3082\u591a\u3044\u306e\u3067\u3069\u308c\u3092\u4f7f\u3048\u3070\u3088\u3044\u306e\u304b\u7d50\u69cb\u60a9\u307f\u307e\u3059\u3002<br \/>\n\u305d\u3053\u3067\u3001\u305d\u306e\u4e2d\u3067\u3082\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u958b\u767a\u306e\u624b\u9593\u304c\u5c11\u306a\u3044\u3068\u601d\u308f\u308c\u308b\u65b9\u6cd5\u3092\u9078\u3093\u3067\u307f\u307e\u3057\u305f\u3002<\/li>\n<\/ol>\n<blockquote><p><strong>\uff08\u6ce8\uff11\uff09<\/strong><br \/>\n\u3080\u3084\u307f\u306b\u5bc6\u7d50\u5408\u3059\u308b\u3068GUI\u306e\u5c0f\u5909\u66f4\u306b\u4f34\u3044\u30ed\u30b8\u30c3\u30af\u5074\u3082\u4fee\u6b63\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u624b\u9593\u3092\u7121\u8996\u3057\u3066\u53ef\u80fd\u306a\u9650\u308a\u5206\u96e2\u3057\u3066\u3057\u307e\u3046\u3068\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u304c\u8907\u96d1\u306b\u306a\u308a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u300c\u9069\u5ea6\u300d\u306b\u758e\u7d50\u5408\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u305d\u306e\u30d0\u30e9\u30f3\u30b9\u306f\u610f\u5916\u306b\u96e3\u3057\u3044\u306e\u3067\u3059\u304c\u3002<\/p><\/blockquote>\n<h3>\uff12\uff0e\u305d\u308c\u305e\u308c\u306e\u76ee\u6a19\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac<\/h3>\n<h4>2-1. \u72ec\u7acb\u6027\u306e\u9ad8\u3044GUI\u5236\u5fa1\u7528\u306eC++\u5074Window\u30af\u30e9\u30b9<\/h4>\n<p>Qt Widgets\u306e\u5834\u5408\u3001 main.cpp \u304b\u3089\u72ec\u7acb\u3057\u3066\u5404\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u8a2d\u8a08\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3001Qt Quick\u306fQQmlApplicationEngine\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306eQML\u30b5\u30f3\u30d7\u30eb\u306f\u3053\u308c\u3092main.cpp\u3067\u78ba\u4fdd\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u3089\u3068\u540c\u3058\u69cb\u9020\u3067\u5b9f\u88c5\u3059\u308b\u3068GUI\u5236\u5fa1\u7528\u306e\u30af\u30e9\u30b9\u304cmain.cpp\u306b\u4f9d\u5b58\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u304c\u672c\u5f53\u306b\u5acc\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u5b9f\u306f\u7c21\u5358\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002QQmlApplicationEngine\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5404\u30a6\u30a3\u30f3\u30c9\u30a6\u6bce\u306b\u78ba\u4fdd\u3059\u308b\u3060\u3051\u3067\u3057\u305f\u3002\u3044\u3084\uff5e\u3001\u3066\u3063\u304d\u308a\u3053\u308c\u306f\u3067\u304d\u306a\u3044\u3068\u601d\u3044\u3053\u3093\u3067\u3044\u307e\u3057\u305f\u3002<br \/>\n\u3082\u3061\u308d\u3093\u3001\u305d\u306e\u5206\u306e\u30e1\u30e2\u30ea\u3084\u30b9\u30ec\u30c3\u30c9\u3092\u591a\u304f\u6d88\u8cbb\u3059\u308b\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u3002\u8abf\u3079\u3066\u3044\u306a\u3044\u306e\u3067\u5206\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u8a31\u5bb9\u3067\u304d\u308b\u7a0b\u5ea6\u3067\u3042\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u3088\u3063\u3066\u306f\u305d\u308c\u304c\u8a31\u5bb9\u3067\u304d\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u969b\u306f QQmlApplicationEngine \u3092\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u7b49\u3067\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u5bfe\u51e6\u3067\u304d\u308b\u3060\u308d\u3046\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3001\u8907\u96d1\u306a\u69cb\u9020\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u3059\u308b\u306e\u306f\u5982\u4f55\u306a\u3082\u306e\u304b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u6bce\u306b QQmlApplicationEngine \u3092\u5272\u308a\u5f53\u3066\u308b\u69cb\u9020\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<h4>2-2. GUI\u90e8\u306fQML\u3067\u8a18\u8ff0\u3057C++\u5074\u304b\u3089\u5236\u5fa1\u3059\u308b<\/h4>\n<p>\u3053\u308c\u306f\u3056\u3063\u304f\u308a\uff12\u3064\u306e\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n&#8211; QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u3068\u7834\u68c4\u3092C++\u5074\u304b\u3089\u3069\u3046\u3084\u3063\u3066\u884c\u3046\u306e\u304b\uff1f<br \/>\n&#8211; QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092C++\u5074\u304b\u3089\u3069\u3046\u3084\u3063\u3066\u5236\u5fa1\u3059\u308b\u306e\u304b\uff1f<\/p>\n<h5>2-2-1. QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u3068\u7834\u68c4\u3092C++\u5074\u304b\u3089\u884c\u3046\u65b9\u6cd5<\/h5>\n<p>\u6700\u521d\u306fQt Widgets\u306eui\u306e\u306e\u3088\u3046\u306b\u3001C++\u5074\u3067GUI\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30c8\uff0f\u30c7\u30b9\u30c8\u30e9\u30af\u30c8\u3067\u304d\u308b\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001Qt Quick\u3067\u306f\u6b8b\u5ff5\u306a\u3089\u304c\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\nQML\u5074\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u300c\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30fb\u30d9\u30fc\u30b9\u300d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u306e\u3067\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u9593\u306e\u660e\u78ba\u306a\u5dee\u304c\u306a\u304f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30c8\uff0f\u30c7\u30b9\u30c8\u30e9\u30af\u30c8\u3068\u3044\u3046\u8003\u3048\u65b9\u81ea\u4f53\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u5bfe\u3057\u3066C++\u5074\u306f\u300c\u30af\u30e9\u30b9\u30fb\u30d9\u30fc\u30b9\u300d\u3067\u3059\u306e\u3067\u3001\u30af\u30e9\u30b9\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30c8\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3001\u4e0d\u8981\u306b\u306a\u308c\u3070\u30c7\u30b9\u30c8\u30e9\u30af\u30c8\u3057\u307e\u3059\u3002\uff08<a href=\"\/cpp-school4\/cpp-school4-3\/#cpp_qml_type\" title=\"\u7b2c3\u56de \uff12\u3064\u306eGUI\u958b\u767a\u8981\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff08Qt Widgets\u3068Qt Quick\uff09\">\u524d\u56de\u306e\u89e3\u8aac<\/a>\u3092\u53c2\u7167\u4e0b\u3055\u3044\u3002\uff09<br \/>\n\u3053\u306e\u76f8\u9055\u3092\u3069\u3046\u51e6\u7406\u3059\u308b\u306e\u304b\uff1f\u3000\u7d50\u69cb\u60a9\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>QML\u5074\u306eGUI\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fQQmlApplicationEngine\u306bQML\u3067GUI\u3092\u8a18\u8ff0\u3057\u305f .qml \u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u305f\u6642\u70b9\u3067\u751f\u6210\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3068\u3044\u3046\u3053\u3068\u306f\u30012-1\u3067QQmlApplicationEngine\u3092C++\u5074\u306eWindow\u30af\u30e9\u30b9\u306b\u5c5e\u3055\u305b\u308b\u3053\u3068\u306b\u3057\u305f\u306e\u3067\u3001\u3053\u306eWindow\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067 .qml\u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u3066\u304a\u3051\u3070\u3001\u5f8c\u306fWindow\u30af\u30e9\u30b9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u81ea\u52d5\u7684\u306b\u7834\u68c4\u3055\u308c\u307e\u3059\u3002\u306a\u3093\u3060\u5b9f\u306f\u7c21\u5358\u3067\u3057\u305f\u3002<\/p>\n<blockquote><p>\u3068\u3053\u308d\u3067\u3001QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092create\/destoroy\u3059\u308b\u65b9\u6cd5\u304c<a href=\"https:\/\/doc.qt.io\/qt-5\/qtqml-javascript-dynamicobjectcreation.html\" rel=\"noopener noreferrer\" target=\"_blank\">\u516c\u5f0f\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a> \u306b\u3061\u3083\u3093\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\n\u5f93\u3063\u3066QQmlApplicationEngine\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\uff11\u3064\u306b\u7d71\u5408\u3057\u305f\u3044\u5834\u5408\u3067\u3082\u5bfe\u51e6\u65b9\u6cd5\u306f\u3042\u308a\u305d\u3046\u3067\u3059\u3002<\/p><\/blockquote>\n<h5>2-2-2. QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068C++\u5074\u30af\u30e9\u30b9\u3068\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\uff08\u3061\u3087\u3063\u3068\u5bc4\u308a\u9053\uff09<\/h5>\n<p>QML\u5074\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u5bfe\u5fdc\u3059\u308bC++\u5074\u30af\u30e9\u30b9\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u3001QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30eb\u30fc\u30c8\u306e\uff11\u3064\u3067\u3042\u308b <a href=\"https:\/\/doc.qt.io\/qt-5\/qml-qtqml-qtobject.html\" rel=\"noopener noreferrer\" target=\"_blank\">QtObject QML Type<\/a> \u306b\u5bfe\u5fdc\u3059\u308bC++\u5074\u30af\u30e9\u30b9\u306f <a href=\"https:\/\/doc.qt.io\/qt-5\/qobject.html\" rel=\"noopener noreferrer\" target=\"_blank\">QObject<\/a> \u3067\u3059\u3002<\/p>\n<p>GUI\u306e\u5834\u5408\u3001QML\u5074\u306eGUI\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b <a href=\"https:\/\/doc.qt.io\/qt-5\/qml-qtquick-window-window.html\" rel=\"noopener noreferrer\" target=\"_blank\">Windows QML Type<\/a> \u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308bC++\u5074\u306e\u30af\u30e9\u30b9\u306f <a href=\"https:\/\/doc.qt.io\/qt-5\/qquickwindow.html\" rel=\"noopener noreferrer\" target=\"_blank\">QQuickWindow Class<\/a> \u3067\u3059\u3002\u4ed6\u306b\u3082\u5bfe\u5fdc\u95a2\u4fc2\u306e\u3042\u308bGUI\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u591a\u6570\u3042\u308a\u307e\u3059\u304c\u3001\u5f53\u521d\u306fWindow\u3068QQuickWindow\u3092\u628a\u63e1\u3057\u3066\u304a\u3051\u3070\u4e8b\u8db3\u308a\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u524d\u56de\u8efd\u304f\u89e6\u308c\u305f\u3088\u3046\u306b QML Type \u306f\u4ed6\u306e QML Type \u3092\u62e1\u5f35\u3057\u3066\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u3088\u3046\u306a QML Type \u306b\u5bfe\u5fdc\u3059\u308bC++\u5074\u306e\u30af\u30e9\u30b9\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<br \/>\n\u3057\u304b\u3057\u3001\u305d\u306e\u62e1\u5f35\u5143\u3068\u306a\u3063\u305f QML Type \u304c\u5b58\u5728\u3059\u308b\u7b48\u3067\u3059\u3002\u305d\u308c\u306f\u516c\u5f0f\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306eInherits:\u6b04\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u306bC++\u5074\u3068\u5bfe\u5fdc\u3057\u3066\u3044\u308b QML Type \u3082\u3042\u308b\u7b48\u3067\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u3001<a href=\"https:\/\/doc.qt.io\/qt-5\/qml-qtquick-controls2-applicationwindow.html\" rel=\"noopener noreferrer\" target=\"_blank\">ApplicationWindow QML Type<\/a> \u306e Inherits: \u306b\u306f Window \u3068\u5e30\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u306e\u62e1\u5f35\u5143\u306f <a href=\"https:\/\/doc.qt.io\/qt-5\/qml-qtquick-window-window.html\" rel=\"noopener noreferrer\" target=\"_blank\">Window QML Type<\/a> \u3067\u3059\u3002<\/p>\n<blockquote><p><strong>\u5bfe\u5fdc\u3059\u308bC++\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066<\/strong><br \/>\n\u4e0a\u8a18\u306e <a href=\"https:\/\/doc.qt.io\/qt-5\/qml-qtquick-window-window.html\" rel=\"noopener noreferrer\" target=\"_blank\">Window QML Type<\/a> \u306e\u30da\u30fc\u30b8\u306b\u306f\u3001\u300cInstantiates: QQuickWindow\u300d\u3068\u3044\u3046\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u3002QML\u306eWindow\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u5fdc\u3059\u308bC++\u5074\u30af\u30e9\u30b9\u306fQQuickWindow\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002Instantiates\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\uff09\u3068\u3057\u3066\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001\u6050\u3089\u304fQML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fC++\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u76f8\u5f53\u3059\u308b\u304b\u3089\u3060\u308d\u3046\u3068\u601d\u3044\u307e\u3059\u3002\uff08QML\u306f\u300c\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30fb\u30d9\u30fc\u30b9\u300d\u3067\u3059\u306e\u3067\u3002\uff09<br \/>\n\u307e\u305f\u3001<a href=\"https:\/\/doc.qt.io\/qt-5\/qquickwindow.html\" rel=\"noopener noreferrer\" target=\"_blank\">QQuickWindow Class<\/a> \u306e\u30da\u30fc\u30b8\u306b\u306f\u3001\u300cInstantiated By: Window\u300d\u3068\u3044\u3046\u8a18\u8ff0\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001<a href=\"https:\/\/doc.qt.io\/qt-5\/qml-qtquick-controls2-applicationwindow.html\" rel=\"noopener noreferrer\" target=\"_blank\">ApplicationWindow QML Type<\/a> \u306e\u30da\u30fc\u30b8\u306b\u306f\u3001\u300cInstantiates\u300d\u306e\u8a18\u8f09\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001ApplicationWindow\u306f\u4ed6\u306eQML Type\u3092\u62e1\u5f35\u3057\u305fQML Type\u3068\u3044\u3046\u3053\u3068\u3068\u601d\u3044\u307e\u3059\u3002<\/p><\/blockquote>\n<h5>2-2-3. QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092C++\u5074\u304b\u3089\u3069\u3046\u3084\u3063\u3066\u5236\u5fa1\u3059\u308b\u306e\u304b\uff1f<\/h5>\n<p>\u3055\u3066\u3001QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u5fdc\u3059\u308bC++\u5074\u30af\u30e9\u30b9\u304c\u5b58\u5728\u3057\u307e\u3059\u306e\u3067\u3001QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3092C++\u5074\u3067\u7372\u5f97\u3067\u304d\u308c\u3070QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092C++\u5074\u304b\u3089\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u76f4\u63a5\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3067\u3082\u3001QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u62e1\u5f35\u5143\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3069\u308c\u304b\u306f\u5bfe\u5fdc\u3059\u308bC++\u30af\u30e9\u30b9\u304c\u5b58\u5728\u3059\u308b\u7b48\u3067\u3059\u3002\u305d\u3053\u307e\u3067\u9061\u308c\u3070\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u30dd\u30a4\u30f3\u30bf\u306e\u53d6\u5f97\u65b9\u6cd5\u306f\u7c21\u5358\u3067\u3059\u3002<br \/>\nQQmlApplicationEngine::rootObjects().first()\u304c\u3001QQmlApplicationEngine\u3078\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b .qml\u30d5\u30a1\u30a4\u30eb\u306e\u30eb\u30fc\u30c8\u30fb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3092 <code>QObject*<\/code> \u578b\u3067\u8fd4\u5374\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u5f53\u8a72QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u5fdc\u3059\u308b C++\u5074\u306e\u30af\u30e9\u30b9\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3078 dynamic_cast\u3057\u3066\u78ba\u4fdd\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a .qml\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u307e\u3059\u3002\u3053\u306e\u307e\u307e\u306a\u3089\u30bf\u30a4\u30c8\u30eb\u306b\u300cHello World\u300d\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"brush: cpp; title: main.qml; notranslate\" title=\"main.qml\">\r\nimport QtQuick 2.12\r\nimport QtQuick.Window 2.12\r\n\r\nWindow {\r\n    visible: true\r\n    width: 640\r\n    height: 480\r\n    title: qsTr(&quot;Hello World&quot;)\r\n}\r\n<\/pre>\n<p>\u6b21\u306e\u3088\u3046\u306amain.cpp\u3067QQmlApplicationEngine \u306b\u30ed\u30fc\u30c9\u3057\u3001<code>QQuickWindow*<\/code>\u30dd\u30a4\u30f3\u30bf\u3092\u7372\u5f97\u3057\u3066\u3001\u30bf\u30a4\u30c8\u30eb\u3092\u66f8\u304d\u63db\u3048\u3066\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u3092\u8d70\u3089\u305b\u308b\u3068\u3001\u30bf\u30a4\u30c8\u30eb\u306b\u300cHello QML!\u300d\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"brush: cpp; highlight: [14,15]; title: main.cpp; notranslate\" title=\"main.cpp\">\r\n#include &lt;QGuiApplication&gt;\r\n#include &lt;QQmlApplicationEngine&gt;\r\n#include &lt;QQuickWindow&gt;\r\n\r\nint main(int argc, char *argv&#x5B;])\r\n{\r\n    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);\r\n\r\n    QGuiApplication app(argc, argv);\r\n\r\n    QQmlApplicationEngine engine;\r\n    const QUrl url(&quot;qrc:\/main.qml&quot;);\r\n    engine.load(url);\r\n    QQuickWindow* aWindow=dynamic_cast&lt;QQuickWindow*&gt;(engine.rootObjects().first());\r\n    aWindow-&gt;setTitle(&quot;Hello QML!&quot;);\r\n\r\n    return app.exec();\r\n}\r\n<\/pre>\n<div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>\u4f5c\u6210\u65b9\u6cd5<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\nQtCreator\u3092\u8d77\u52d5\u3057\u3066\u3001\u300c\u30d5\u30a1\u30a4\u30eb(F)\u300d \u2192 \u300c\u30d5\u30a1\u30a4\u30eb\uff0f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u65b0\u898f\u4f5c\u6210(N)\u300d \u3067\u958b\u304f\u30c0\u30a4\u30a2\u30ed\u30b0\u3067 \u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d \u2192 \u300cQt Quick Application &#8211; Empty\u300d\u3092\u9078\u629e\u3057\u3066\u4f5c\u6210\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e main.cpp\u3092\u66f8\u304d\u63db\u3048\u305f\u3082\u306e\u3067\u3059\u3002\uff08\u30a8\u30e9\u30fc\u51e6\u7406\u3092\u524a\u9664\u3057\u3066\u300114-15\u884c\u3092\u8ffd\u52a0\uff09<br \/>\n<\/div><\/div>\n<p>\u3055\u3066\u3001\u5236\u5fa1\u65b9\u6cd5\u306f\u5927\u5225\u3057\u3066\uff12\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<br \/>\n1. C++\u5074\u30af\u30e9\u30b9\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30e1\u30f3\u30d0\u3092\u7528\u3044\u3066\u884c\u3046\u5236\u5fa1<br \/>\n\u4e0a\u8ff0\u306e\u901a\u308a\u3067\u3059\u3002<br \/>\n2. QML\u5074\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u30b7\u30b0\u30ca\u30eb\u3001\u95a2\u6570\u3092\u7528\u3044\u3066\u884c\u3046\u5236\u5fa1<br \/>\n\u3053\u3061\u3089\u3092\u6b21\u7bc0\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h4>2-3. C++\u5074\u306eWindow\u30af\u30e9\u30b9\u304b\u3089QML\u5074\u306eGUI\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u304a\u624b\u8efd\u306b\u5236\u5fa1<\/h4>\n<p>C++\u5074\u3092\u30de\u30b9\u30bf\u30fc\u3001QML\u5074\u3092\u30b9\u30ec\u30fc\u30d6\u3068\u3057\u3066\u8003\u3048\u308b\u3068\u3001\u4ee5\u4e0b\u306e1., 2.\u3092\u5b9f\u73fe\u3067\u304d\u308c\u3070\u57fa\u672c\u7684\u306a\u5236\u5fa1\u306f\u3067\u304d\u307e\u3059\u3002<br \/>\n1. C++\u304b\u3089QML\u5074\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059<br \/>\n2. QML\u5074\u3067\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3092C++\u5074\u3078\u901a\u77e5\u3059\u308b<br \/>\n3. \u307e\u305f\u3001\u95a2\u6570\u3084\u30a4\u30d9\u30f3\u30c8\u3092\u7528\u610f\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001QML\u5074\u306e\u30e1\u30f3\u30d0\u5909\u6570\u3092C++\u5074\u30ea\u30fc\u30c9\uff0f\u30e9\u30a4\u30c8\u3057\u305f\u3044\u6642\u3082\u3042\u308b<\/p>\n<p>\u4ee5\u4e0a\u306e\uff13\u3064\u3092\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u884c\u3046\u65b9\u6cd5\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<h5>2-3-1. C++\u304b\u3089QML\u5074\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059<\/h5>\n<p>\u3053\u308c\u306f\u7c21\u5358\u3067\u3059\u3002QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5074\u306b\u3001JavaScript\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u308c\u3092C++\u5074\u304b\u3089\u5bfe\u5fdc\u3059\u308b\u30af\u30e9\u30b9\u30fb\u30dd\u30a4\u30f3\u30bf\u7d4c\u7531\u3067<a href=\"https:\/\/doc.qt.io\/qt-5\/qmetaobject.html#invokeMethod\" rel=\"noopener noreferrer\" target=\"_blank\">QMetaObject ::invokeMethod()<\/a>\u3092\u4f7f\u3063\u3066\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<br \/>\n\uff08\u6570\u306b\u5236\u9650\u306f\u3042\u308a\u307e\u3059\u304c\uff09\u5f15\u6570\u3092\u6e21\u3057\u3001\u623b\u308a\u5024\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u76f8\u624b\u306fJavaScript\u95a2\u6570\u3067\u3059\u306e\u3067\u5f15\u6570\u3084\u623b\u308a\u5024\u306e\u578b\u306f <a href=\"https:\/\/doc.qt.io\/qt-5\/qvariant.html\" rel=\"noopener noreferrer\" target=\"_blank\">QVariant<\/a> \u3092\u4f7f\u3046\u3068\u304a\u624b\u8efd\u3067\u3059\u3002<\/p>\n<p>\u5f8c\u8ff0\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001MainWindow.cpp\u306e\u300cMainWindow::button0Slot()\u95a2\u6570\u300d\u304b\u3089\u3001MainWindow.qml\u306e\u300csetTextInput0()\u95a2\u6570\u300d\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5>2-3-2. QML\u5074\u3067\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3092C++\u5074\u3078\u901a\u77e5\u3059\u308b<\/h5>\n<p>Qt\u306f\u30a4\u30d9\u30f3\u30c8\u3092\u901a\u77e5\u3059\u308b\u4ed5\u7d44\u307f\u3068\u3057\u3066 Signal\/Slot \u3068\u3044\u3046\u4fbf\u5229\u306a\u65b9\u6cd5\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u308c\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067signal\u3092\u5b9a\u7fa9\u3057\u3001C++\u5074\u3067connect\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002\uff08\u9006\u306b\u3001C++\u5074\u304b\u3089QML\u5074\u3078\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u304c\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002invokeMethod\u3092\u4f7f\u3046\u65b9\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\uff09<\/p>\n<p>sinal\/slot\u306econnect\u306e\u8aac\u660e\u3092\u59cb\u3081\u308b\u3068\u9577\u304f\u306a\u308b\u306e\u3067\u3001\u5f8c\u65e5\u306e\u89e3\u8aac\u306b\u8b72\u308a\u307e\u3059\u304c\u3001connect\u306e\u66f8\u304d\u65b9\u306fSIGNAL()\/SLOT()\u30de\u30af\u30ed\u3092\u4f7f\u3046\u65b9\u6cd5\u3068\u4f7f\u308f\u306a\u3044\u65b9\u6cd5\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002QML\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u53d7\u3051\u53d6\u308b\u306b\u306f<a href=\"https:\/\/www.qt.io\/jp\/blog\/2010\/06\/17\/signals-and-slots\" rel=\"noopener noreferrer\" target=\"_blank\">SIGNAL()\/SLOT()\u30de\u30af\u30ed\u3092\u4f7f\u3046\u65b9<\/a>\u306e\u307f\u4f7f\u7528\u3067\u304d\u307e\u3059\u306e\u3067\u3054\u7559\u610f\u4e0b\u3055\u3044\u3002<\/p>\n<p>\u5f8c\u8ff0\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001MainWindow.cpp\u306e\u300cMainWindow\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u3067connect\u3057\u3001MainWindow.qml\u3067\u300cbutton0Signal\u30b7\u30b0\u30ca\u30eb\u300d\u3092\u5b9a\u7fa9\u3057\u3001button0\u306eonClicked\u30a4\u30d9\u30f3\u30c8\u3067\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5>2-3-3. QML\u5074\u306e\u30e1\u30f3\u30d0\u5909\u6570\u3092C++\u5074\u304b\u3089\u30ea\u30fc\u30c9\uff0f\u30e9\u30a4\u30c8\u3059\u308b<\/h5>\n<p>QML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u300c\u30e1\u30f3\u30d0\u5909\u6570\u300d\u306f\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4ed6\u306eQML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5185\u5305\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u3066\u3044\u308bQML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092find\u3057\u3066\u304b\u3089property()\u95a2\u6570\u3084setProperty()\u95a2\u6570\u3067\u30ea\u30fc\u30c9\uff0f\u30e9\u30a4\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3001\u305d\u308c\u306f\u7d50\u69cb\u9762\u5012\u3067\u3059\u3002<br \/>\n\u65e2\u306bC++\u5074\u3067\u30dd\u30a4\u30f3\u30bf\u3092\u7372\u5f97\u3057\u3066\u3044\u308bQML\u5074\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3001\u8a72\u5f53\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5225\u540d\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3068\u304a\u624b\u8efd\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5f8c\u8ff0\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001MainWindow.qml\u3067\u300clabel0Text\u5225\u540d\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3092\u5b9a\u7fa9\u3057\u3001MainWindow.cpp\u306e\u300cMainWindow\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u306e\u982d\u3067<a href=\"https:\/\/doc.qt.io\/qt-5\/qobject.html#setProperty\" rel=\"noopener noreferrer\" target=\"_blank\">setProperty()\u95a2\u6570<\/a>\u3067\u66f8\u304d\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002\uff08\u8aad\u307f\u51fa\u3059\u6642\u306f\u3001<a href=\"https:\/\/doc.qt.io\/qt-5\/qobject.html#property\" rel=\"noopener noreferrer\" target=\"_blank\">property()\u95a2\u6570<\/a>\u3092\u7528\u3044\u307e\u3059\u3002\uff09<\/p>\n<h3>\uff13\uff0e\u30b5\u30f3\u30d7\u30eb\u30fb\u30bd\u30fc\u30b9<\/h3>\n<p>\u30b5\u30f3\u30d7\u30eb\u30fb\u30bd\u30fc\u30b9\uff08\u96db\u5f62\u7684\u306a\u3082\u306e\uff09\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<br \/>\nQtCreator\u3092\u8d77\u52d5\u3057\u3066\u3001\u300c\u30d5\u30a1\u30a4\u30eb(F)\u300d \u2192 \u300c\u30d5\u30a1\u30a4\u30eb\uff0f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u65b0\u898f\u4f5c\u6210(N)\u300d \u3067\u958b\u304f\u30c0\u30a4\u30a2\u30ed\u30b0\u3067 \u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d \u2192 \u300cQt Quick Application &#8211; Empty\u300d\u3092\u9078\u629e\u3057\u3066\u4f5c\u6210\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/p>\n<h4>3-1. main.cpp<\/h4>\n<p>\u898b\u3066\u306e\u901a\u308aWindow\uff08MainWindow\uff09\u5074\u306fmain.cpp\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u305b\u3093\u3002<br \/>\n<script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=main.cpp\"><\/script><br \/>\n\u30b5\u30f3\u30d7\u30eb\u306a\u306e\u3067\u30a8\u30e9\u30fc\u51e6\u7406\u306f\u4e0d\u8981\u3068\u306f\u601d\u3044\u307e\u3057\u305f\u304c\u3001\u50c5\u304b\u306a\u30b3\u30fc\u30c9\u306a\u306e\u3067MyException\u3092\u5c0e\u5165\u3057\u3066\u307f\u307e\u3057\u305f\u3002<a href=\"https:\/\/doc.qt.io\/qt-5\/qexception.html\" rel=\"noopener noreferrer\" target=\"_blank\">QException<\/a>\u304b\u3089\u6d3e\u751f\u3057\u3066\u3044\u307e\u3059\u3002\u624b\u629c\u304d\u3067\u3059\u304cWindowBase.h\u306b\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>3-2. WindowBase.h, WindowBase.cpp<\/h4>\n<p>\u5b9a\u5f62\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306e\u57fa\u5e95\u30af\u30e9\u30b9\u3067\u3059\u3002<br \/>\nQQmlApplicationEngine\uff08mQmlEngine\uff09\u3092\u78ba\u4fdd\u3001.qml\u30d5\u30a1\u30a4\u30eb\uff08iQmlFile\uff09\u3092\u30ed\u30fc\u30c9\u3001QML\u5074\u306e\u30eb\u30fc\u30c8\u30fb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u30dd\u30a4\u30f3\u30bf\uff08mQmlWindow\uff09\u3092C++\u5074\u3078\u53d6\u308a\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<br \/>\nmQmlWindow\u306f\u3001\u69d8\u3005\u306a\u30e1\u30f3\u30d0\u95a2\u6570\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u308c\u3089\u3092\u547c\u3073\u51fa\u3059\u305f\u3081\u306e\u4e2d\u7d99\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u4f7f\u3044\u3084\u3059\u304f\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001show()\u3068hide()\u306e\u307f\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=WindowBase.h\"><\/script><br \/>\n<script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=WindowBase.cpp\"><\/script><br \/>\nWindowBase::enumeration()\u306f\u30c7\u30d0\u30c3\u30b0\u7528\u306e\u95a2\u6570\u3067\u3059\u3002QML\u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u6210\u3092\u8868\u793a\u3057\u307e\u3059\u3002<a href=\"https:\/\/doc.qt.io\/qt-5\/qmetaobject.html#className\" rel=\"noopener noreferrer\" target=\"_blank\">QMetaObject::className()<\/a>\u306fC++\u5074\u306e\u30af\u30e9\u30b9\u540d\u304c\u8fd4\u3063\u3066\u304f\u308b\u3088\u3046\u3067\u3059\u3002<a href=\"https:\/\/doc.qt.io\/qt-5\/qobject.html#objectName-prop\" rel=\"noopener noreferrer\" target=\"_blank\">QObject::objectName()<\/a>\u306f\u3001QML\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u5b9a\u7fa9\u3057\u3066\u3044\u308b objectName \u306e\u5024\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002 id \u306e\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h4>3-3. MainWindow.qml, MainWindow.h, MainWindow.cpp<\/h4>\n<p>\u3053\u308c\u3089\u304c\u5b9f\u969b\u306bQML\u3067\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u5b9a\u7fa9\u3057\u3001C++\u304c\u5236\u5fa1\u3059\u308b\u90e8\u5206\u306e\u30b5\u30f3\u30d7\u30eb\u30fb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n2-3.\u306e\u89e3\u8aac\u3001\u304a\u3088\u3073\u3001WindowBase::enumeration()\u306e\u7d50\u679c\u3068MainWindow.qml\u3068\u898b\u6bd4\u3079\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n<p><script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=MainWindow.qml\"><\/script><br \/>\n<script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=MainWindow.h\"><\/script><br \/>\n<script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=MainWindow.cpp\"><\/script><\/p>\n<h4>3-4. \u305d\u306e\u4ed6<\/h4>\n<p>cpp-qml-if.pro\u306fQt\u304c\u63d0\u4f9b\u3059\u308bmakefile\u751f\u6210\u30c4\u30fc\u30eb qmake \u7528\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002CMake\u306eCMakeLists.txt\u306b\u8a72\u5f53\u3057\u307e\u3059\u3002\uff08qmake\u306fCMake\u306b\u6bd4\u3079\u308b\u3068\u4f7f\u3044\u52dd\u624b\u306f\u3044\u307e\u3044\u3061\u306a\u5370\u8c61\u3067\u3059\u304c\u3001CMake\u3088\u308a\u306fQt\u3068\u306e\u76f8\u6027\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\uff09<br \/>\nqml.qrc\u306f\u30ea\u30bd\u30fc\u30b9\u30fb\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u30d3\u30eb\u30c9\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea\u30fb\u30d5\u30a1\u30a4\u30eb\u5185\u306b.qml\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30bd\u30fc\u30b9\u3068\u3057\u3066\u7d44\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>\u305d\u306e\u4ed6\u306e\u30d5\u30a1\u30a4\u30eb<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=cpp-qml-if.pro\"><\/script><br \/>\n<script src=\"https:\/\/gist.github.com\/yossi-tahara\/01a5118a9271a56aee9847a18a70601a.js?file=qml.qrc\"><\/script><br \/>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>\u5f53\u30b5\u30f3\u30d7\u30eb\u306f boost software license \u3067\u914d\u5e03\u3057\u307e\u3059<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<script 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