{"id":4871,"date":"2022-08-24T22:00:52","date_gmt":"2022-08-24T16:30:52","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-create-components-dynamically-in-qml\/"},"modified":"2022-08-24T22:00:52","modified_gmt":"2022-08-24T16:30:52","slug":"solved-how-to-create-components-dynamically-in-qml","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-create-components-dynamically-in-qml\/","title":{"rendered":"[Solved] how to create components dynamically in qml"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-48183275\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"48183275\" data-parentid=\"48166044\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>main.qml<\/p>\n<pre><code>import QtQuick 2.6\nimport QtQuick.Window 2.2\nimport QtQuick.Controls 1.4\n\nWindow {\n    id:appWindow\n    visible: true\n    width: 640\n    height: 480\n    title: qsTr(\"Hello World\")\n    property int count: 0\n    signal forward\n    function fun1(argument1){\n     console.log(\"A function fun1()in the main QML file is invoked by dynmic object\")\n     console.log(\"Returned parameter from the QML dynamic objects = \", argument1)\n     }\n\n    Item {\n        id: root\n        width: parent.width\n        height: parent.width\n        function createItem() {\n            Qt.createQmlObject(\"import QtQuick 2.5; Rectangle { x: 100; y: 100; width: 100; height: 100; color: \\\"blue\\\" }\", root, \"dynamicItem\");\n        }\n    }\n\n    Button{\n        width: 200\n        height: 50\n        text:\"Click Me\"\n        y:400\n        x:350\n        onClicked: {\n            count++\n            if(count==1)\n            Qt.createComponent(\"Sprite.qml\").createObject(appWindow, {\"x\": 100, \"y\": 100});\n            if(count===2){\n                appWindow.forward()\n            }\n       }\n   }\n   onForward:console.log(\"forward signal is emitted in main QML\")\n}\n<\/code><\/pre>\n<p>Sprite.qml<\/p>\n<pre><code>import QtQuick 2.0\n\nRectangle {\n    id:idRect\n    signal buttonClicked()\n    width: 80;\n    height: 50;\n    color: \"red\";\n    x:10;\n    y:100\n    property string fromCallee:'This value is send signal argument'\n    signal send(string pass);\n    MouseArea {\n                  id: leftMouseArea\n                  anchors.fill: parent\n                  onClicked:idRect.buttonClicked()\n              }\n     Component.onCompleted:{\n     forward.connect(fun2);\n     send.connect(fun1);\n     send(fromCallee);\n     }\n      function fun2(){\n          console.log('signal received at dynamic object')\n          console.log(\"value of main qml property 'count'=\"+count)\n      }\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved how to create components dynamically in qml <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] main.qml import QtQuick 2.6 import QtQuick.Window 2.2 import QtQuick.Controls 1.4 Window { id:appWindow visible: true width: 640 height: 480 title: qsTr(&#8220;Hello World&#8221;) property int count: 0 signal forward function fun1(argument1){ console.log(&#8220;A function fun1()in the main QML file is invoked by dynmic object&#8221;) console.log(&#8220;Returned parameter from the QML dynamic objects = &#8220;, argument1) } Item &#8230; <a title=\"[Solved] how to create components dynamically in qml\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-create-components-dynamically-in-qml\/\" aria-label=\"More on [Solved] how to create components dynamically in qml\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[333,1125,1126,1088,1127],"class_list":["post-4871","post","type-post","status-publish","format-standard","hentry","category-solved","tag-javascript","tag-pyqt","tag-qml","tag-qt","tag-qtquick2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] how to create components dynamically in qml - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-create-components-dynamically-in-qml\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] how to create components dynamically in qml - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] main.qml import QtQuick 2.6 import QtQuick.Window 2.2 import QtQuick.Controls 1.4 Window { id:appWindow visible: true width: 640 height: 480 title: qsTr(&quot;Hello World&quot;) property int count: 0 signal forward function fun1(argument1){ console.log(&quot;A function fun1()in the main QML file is invoked by dynmic object&quot;) console.log(&quot;Returned parameter from the QML dynamic objects = &quot;, argument1) } Item ... 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