{"id":21,"date":"2014-09-29T17:09:28","date_gmt":"2014-09-29T09:09:28","guid":{"rendered":"http:\/\/www.zhuyanbin.com\/?p=21"},"modified":"2020-04-13T22:04:13","modified_gmt":"2020-04-13T14:04:13","slug":"qwidgetsetlayout-attempting-to-set-qlayout-on-mainwindow-which-already-has-a-layout","status":"publish","type":"post","link":"https:\/\/www.yanbin888.com\/?p=21","title":{"rendered":"QWidget::setLayout: Attempting to set QLayout &#8220;&#8221; on MainWindow &#8220;&#8221;, which already has a layout"},"content":{"rendered":"<p>\u51fa\u73b0\u8fd9\u4e2a\u7684\u539f\u56e0\u662f\u7a97\u53e3\u7ee7\u627f\u7684\u662fQMainwindow\uff0c\u9700\u8981\u8bbe\u7f6e<br \/>\nsetCentralWidget\uff08\uff09;<br \/>\n\u5982\u4e0b\uff1a<\/p>\n<pre>    m_wMainWidget = new QWidget();\n    \/\/QWidget::setLayout: Attempting to set QLayout \"\" on MainWindow \"\", which already has a layout\n    setCentralWidget(m_wMainWidget);\n\n    setWindowTitle(tr(\"\u8d44\u6e90\u8f6c\u6362\u5de5\u5177\"));\n    setMinimumSize(800, 600);\n\n    QVBoxLayout * mainLayout = new QVBoxLayout();\n    mainLayout-&gt;addWidget(m_gbInputGroup);\n\n    m_wMainWidget-&gt;setLayout(mainLayout);\n<\/pre>\n<p>\u8bbe\u7f6e\u597d\u4e00\u4e2awidget\u5373\u53ef<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u51fa\u73b0\u8fd9\u4e2a\u7684\u539f\u56e0\u662f\u7a97\u53e3\u7ee7\u627f\u7684\u662fQMainwindow\uff0c\u9700\u8981\u8bbe\u7f6e setCentralWidget\uff08\uff09; \u5982\u4e0b\uff1a  <span class=\"ellipsis\">&hellip;<\/span> <span class=\"more-link-wrap\"><a href=\"https:\/\/www.yanbin888.com\/?p=21\" class=\"more-link\"><span>Read More &rarr;<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[25],"class_list":["post-21","post","type-post","status-publish","format-standard","hentry","category-qt","tag-qt"],"_links":{"self":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21"}],"version-history":[{"count":4,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts\/21\/revisions"}],"predecessor-version":[{"id":794,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=\/wp\/v2\/posts\/21\/revisions\/794"}],"wp:attachment":[{"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yanbin888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}