c – Qt,PushButton,id属性?任何方式知道点击了哪个按钮
发布时间:2020-12-16 06:02:38 所属栏目:百科 来源:网络整理
导读:void MainWindow::addRadioToUI(){ int button_cunter=4; while(!database.isEmpty()) { button_cunter++; QPushButton *one = new QPushButton("Play: "+name(get_r.getTrackId())); one-setIcon(QIcon(":/images/play_button.png")); one-setMaximumWidth(
void MainWindow::addRadioToUI() { int button_cunter=4; while(!database.isEmpty()) { button_cunter++; QPushButton *one = new QPushButton("Play: "+name(get_r.getTrackId())); one->setIcon(QIcon(":/images/play_button.png")); one->setMaximumWidth(140); one->setFlat(true); QGroupBox* get_rGB = new QGroupBox("somethink"); QFormLayout* layout = new QFormLayout; if(button_cunter%5 == 0){ layout->addWidget(one); } get_rGB->setLayout(layout); scrollAreaWidgetContents->layout()->addWidget(get_rGB); } } 我有几个自动添加的QPushButtons. 解决方法
QApplication提供sender(),其中包含发送信号的对象.所以你可以这样做:
//slot,this could also be done in a switch if(button[X] == QApplication::sender()){ doX(); }else if(button[Y] == QApplication::sender()){ doY(); } http://doc.qt.io/qt-4.8/qobject.html#sender (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |