奇人网站,深圳网站建设与推广,专门做淘宝客网站,红安建设局网站Qt TabWidget添加多个窗口窗体#xff0c;可关闭与打开
点击按钮可判断是否打开#xff0c;避免重复打开
使用Qt中的TabWidget组件创建一个简单的分页窗体布局。点击按钮时#xff0c;会新增一个窗体并添加到TabWidget中。每个子窗体能动态获取父窗体指针以进行操作
分别…Qt TabWidget添加多个窗口窗体可关闭与打开
点击按钮可判断是否打开避免重复打开
使用Qt中的TabWidget组件创建一个简单的分页窗体布局。点击按钮时会新增一个窗体并添加到TabWidget中。每个子窗体能动态获取父窗体指针以进行操作
分别创建一个mainwindow和两个widget窗体文件 #ifndef MAINWINDOW_H
#define MAINWINDOW_H#include QMainWindowQT_BEGIN_NAMESPACE
namespace Ui {
class MainWindow;
}
QT_END_NAMESPACEclass MainWindow : public QMainWindow
{Q_OBJECTpublic:MainWindow(QWidget *parent nullptr);~MainWindow();void closeEvent(QCloseEvent* e);int IsOpened(QString title);QString GetTableNumber();
private slots:void on_pushButton_clicked();void on_tabWidget_tabCloseRequested(int index);void on_tabWidget_currentChanged(int index);private:Ui::MainWindow *ui;int cur 1;
};
#endif // MAINWINDOW_H#include mainwindow.h
#include ui_mainwindow.h
#include form2.h
#include form3.h
#include QMessageBox
#include QPushButton
#include QToolButtonMainWindow::MainWindow(QWidget *parent): QMainWindow(parent), ui(new Ui::MainWindow)
{ui-setupUi(this);ui-tabWidget-setVisible(true);ui-tabWidget-clear();//清除所有页面//ui-tabWidget-tabsClosable(); //Page有关闭按钮可被关闭ui-tabWidget-setTabsClosable(true);QPushButton *btn1 new QPushButton;btn1-setText(开始);btn1-setIcon(QIcon(:/new/prefix1/button_Log_icon2.ico));// ui-toolBar-addWidget(btn1);QPushButton *btn2 new QPushButton;btn2-setText(暂停);// ui-toolBar-addWidget(btn2);QToolButton *tbtn new QToolButton;tbtn-setText(复位);tbtn-setIcon(QIcon(:/new/prefix1/button_Log_icon2.ico));tbtn-setToolButtonStyle(Qt::ToolButtonTextUnderIcon); //图像在上文字在下ui-toolBar-addWidget(tbtn);QToolButton *tbtn2 new QToolButton;tbtn2-setText(设置);tbtn2-setIcon(QIcon(:/new/prefix1/best_quality_2.png));tbtn2-setToolButtonStyle(Qt::ToolButtonTextUnderIcon); //图像在上文字在下ui-toolBar-addWidget(tbtn2);connect(tbtn,QToolButton::clicked,this,[]{Form2 *ptr new Form2(this);//关闭时自动销毁ptr-setAttribute(Qt::WA_DeleteOnClose);Form3 *ptr3 new Form3(this);//关闭时自动销毁ptr3-setAttribute(Qt::WA_DeleteOnClose);int tb_index IsOpened(tbtn-text());if(tb_index0){ui-tabWidget-setCurrentIndex(tb_index) ;return;}// if(cur%20){cur ui-tabWidget-addTab(ptr,tbtn-text());//QString::asprintf(192.168.1.%d,ui-tabWidget-count()));}// else{//cur ui-tabWidget-addTab(ptr3,QString::asprintf(test%d,ui-tabWidget-count()));}ui-tabWidget-setTabIcon(cur,QIcon(:/new/prefix1/button_Log_icon2.ico));ui-tabWidget-setCurrentIndex(cur) ;});connect(tbtn2,QToolButton::clicked,this,[]{Form2 *ptr new Form2(this);//关闭时自动销毁ptr-setAttribute(Qt::WA_DeleteOnClose);Form3 *ptr3 new Form3(this);//关闭时自动销毁ptr3-setAttribute(Qt::WA_DeleteOnClose);int tb_index IsOpened(tbtn2-text());if(tb_index0){ui-tabWidget-setCurrentIndex(tb_index) ;return;}// if(cur%20){// cur ui-tabWidget-addTab(ptr,QString::asprintf(192.168.1.%d,ui-tabWidget-count()));}// else{cur ui-tabWidget-addTab(ptr3,tbtn2-text());//QString::asprintf(test%d,ui-tabWidget-count()));}ui-tabWidget-setTabIcon(cur,QIcon(:/new/prefix1/best_quality_2.png));ui-tabWidget-setCurrentIndex(cur) ;});}/**********************************************
* projectName %{CurrentProject:Name}
* brief function_name...
* param void
* return void
* author cdtxwfoxmail.com/ by txwtech
* date 2024-09-05
**********************************************/// 定义函数来获取当前Table名字
QString MainWindow::GetTableNumber()
{QString ref QString(ui-tabWidget-currentIndex());return ref;
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::closeEvent(QCloseEvent* e)
{QMessageBox::information(this,title,main window will be closed);
}/**********************************************
* projectName %{CurrentProject:Name}
* brief 是否打开
* param void
* return void
* author cdtxwfoxmail.com/ by txwtech
* date 2024-09-05
**********************************************/int MainWindow::IsOpened(QString title)
{int tab_count ui-tabWidget-count();int window_count 0;if(window_count0){window_count -1;}for(int x0;xtab_count;x)//获取出每个菜单的标题{QString tab_name ui-tabWidget-tabText(x);if(tab_nametitle){window_count x;break;}else if(xtab_count){window_count -1;}}return window_count;}/**********************************************
* projectName %{CurrentProject:Name}
* brief 添加窗口
* param void
* return void
* author cdtxwfoxmail.com/ by txwtech
* date 2024-09-05
**********************************************/void MainWindow::on_pushButton_clicked()
{//新建选项卡Form2 *ptr new Form2(this);//关闭时自动销毁ptr-setAttribute(Qt::WA_DeleteOnClose);Form3 *ptr3 new Form3(this);//关闭时自动销毁ptr3-setAttribute(Qt::WA_DeleteOnClose);if(cur%20){cur ui-tabWidget-addTab(ptr,QString::asprintf(192.168.1.%d,ui-tabWidget-count()));}else{cur ui-tabWidget-addTab(ptr3,QString::asprintf(test%d,ui-tabWidget-count()));}ui-tabWidget-setTabIcon(cur,QIcon(:/new/prefix1/button_Log_icon2.ico));ui-tabWidget-setCurrentIndex(cur) ;ui-tabWidget-setVisible(true);}void MainWindow::on_tabWidget_tabCloseRequested(int index)
{if (index0)return;auto aa QMessageBox::question(this,tips,window will be closed,QMessageBox::Yes,QMessageBox::No);if(aaQMessageBox::No){return;}QWidget* aFormui-tabWidget-widget(index);aForm-close();}void MainWindow::on_tabWidget_currentChanged(int index)//
// 在无Tab页面是默认禁用
{Q_UNUSED(index);bool enui-tabWidget-count()0;// ui-tabWidget-setVisible(en);
}
工程代码
https://download.csdn.net/download/txwtech/89715631
