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（17）关于工具箱 QToolBox 的一个简单的范例使用，以了解其用法

news 来源：原创 2025/5/25 11:13:18

（1）界面搭建 ：

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（2）控件间的逻辑关系实现 ：

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（3）重要的关于界面创建时 QToolBox 的使用 ui_widget . h 的内容如下，太长，给出源代码：

#ifndef UI_WIDGET_H
#define UI_WIDGET_H#include <QtCore/QVariant>
#include <QtWidgets/QApplication>
#include <QtWidgets/QGridLayout>
#include <QtWidgets/QGroupBox>
#include <QtWidgets/QLabel>
#include <QtWidgets/QLineEdit>
#include <QtWidgets/QPushButton>
#include <QtWidgets/QRadioButton>
#include <QtWidgets/QToolBox>
#include <QtWidgets/QVBoxLayout>
#include <QtWidgets/QWidget>QT_BEGIN_NAMESPACEclass Ui_Widget
{
public:QVBoxLayout *verticalLayout_3;QToolBox *toolBox;QWidget *page;QVBoxLayout *verticalLayout_2;QPushButton *pushButton;QLabel *label;QWidget *page_2;QVBoxLayout *verticalLayout;QGroupBox *groupBox;QGridLayout *gridLayout;QRadioButton *radioButtonBlack;QRadioButton *radioButtonRed;QLineEdit *lineEdit;void setupUi(QWidget * Widget) //形参是窗体 QWidget对象{if (Widget->objectName().isEmpty())Widget->setObjectName(QString::fromUtf8("Widget"));Widget->resize(292, 232);QFont font;font.setPointSize(14);Widget->setFont(font);                      //这是对本程序中 QWidget的设置Widget->setContextMenuPolicy(Qt::CustomContextMenu);verticalLayout_3 = new QVBoxLayout(Widget); //给窗体加个垂直布局verticalLayout_3->setObjectName(QString::fromUtf8("verticalLayout_3"));toolBox = new QToolBox(Widget);             //要加入到窗体里的工具箱 QToolBoxtoolBox->setObjectName(QString::fromUtf8("toolBox"));toolBox->setFrameShape(QFrame::Panel);      //这些边框的设置，是为了醒目一点toolBox->setFrameShadow(QFrame::Sunken);toolBox->setLineWidth(9);toolBox->setMidLineWidth(0);page = new QWidget();       //这些新的 QWidget是要加入到工具箱 QToolBox里的page->setObjectName(QString::fromUtf8("page"));page->setGeometry(QRect(0, 0, 262, 142));verticalLayout_2 = new QVBoxLayout(page);  //给 page1 设置个垂直布局verticalLayout_2->setObjectName(QString::fromUtf8("verticalLayout_2"));pushButton = new QPushButton(page);        //给 page1添加个按钮pushButton->setObjectName(QString::fromUtf8("pushButton"));verticalLayout_2->addWidget(pushButton);   //把 按钮加入到 page1里label = new QLabel(page);                  //生成标签并加入到 page1里label->setObjectName(QString::fromUtf8("label"));verticalLayout_2->addWidget(label);toolBox->addItem(page, QString::fromUtf8("Page 1")); //把完整的 page1加入到工具箱里page_2 = new QWidget();                    //要加入到工具箱里的 page2page_2->setObjectName(QString::fromUtf8("page_2"));page_2->setGeometry(QRect(0, 0, 262, 142));verticalLayout = new QVBoxLayout(page_2);  //page2 也采用垂直布局verticalLayout->setObjectName(QString::fromUtf8("verticalLayout"));groupBox = new QGroupBox(page_2);          //把两个单选按钮放入一个容器里groupBox->setObjectName(QString::fromUtf8("groupBox"));gridLayout = new QGridLayout(groupBox);    //容器采用了网格布局gridLayout->setObjectName(QString::fromUtf8("gridLayout"));radioButtonBlack = new QRadioButton(groupBox);  //生成黑色字体按钮radioButtonBlack->setObjectName(QString::fromUtf8("radioButtonBlack"));radioButtonBlack->setChecked(true);gridLayout->addWidget(radioButtonBlack, 0, 0, 1, 1);radioButtonRed = new QRadioButton(groupBox);    //生成红色字体按钮，并加入容器radioButtonRed->setObjectName(QString::fromUtf8("radioButtonRed"));gridLayout->addWidget(radioButtonRed, 0, 1, 1, 1);lineEdit = new QLineEdit(groupBox);        //把行文本框也加入 QGroupBoxlineEdit->setObjectName(QString::fromUtf8("lineEdit"));gridLayout->addWidget(lineEdit, 1, 0, 1, 2);verticalLayout->addWidget(groupBox);       //把制作好的 QGroupBox加入 page2toolBox->addItem(page_2, QString::fromUtf8("Page 2")); //把 page2窗体加入工具箱verticalLayout_3->addWidget(toolBox);      //把工具箱加入大窗体中retranslateUi(Widget);toolBox->setCurrentIndex(1);               //让工具箱默认显示第一个页面QMetaObject::connectSlotsByName(Widget);   //允许通过函数名来连接信号与槽} // setupUivoid retranslateUi(QWidget *Widget){Widget    ->setWindowTitle(QCoreApplication::translate("Widget", "H", nullptr));groupBox  ->setTitle      (QString());pushButton      ->setText(QCoreApplication::translate("Widget","PushButton", nullptr));label           ->setText(QCoreApplication::translate("Widget","TextLabel" , nullptr));radioButtonBlack->setText(QCoreApplication::translate("Widget","\351\273\221", nullptr));radioButtonRed  ->setText(QCoreApplication::translate("Widget","\347\272\242", nullptr));lineEdit        ->setText(QCoreApplication::translate("Widget","\345\223\210\345\223\210\345\223\210", nullptr));toolBox ->setItemText(toolBox->indexOf(page),QCoreApplication::translate("Widget", "Page 1", nullptr));toolBox ->setItemText(toolBox->indexOf(page_2),QCoreApplication::translate("Widget", "Page 2", nullptr));} // retranslateUi};namespace Ui {class Widget: public Ui_Widget {};
} // namespace UiQT_END_NAMESPACE#endif // UI_WIDGET_H