This article introduces various operations of the QToolBox control in detail, such as: create a new interface , add a tab , index the current item , get the index of the current item , get the current item window , get the window whose index value is int, and remove the index value item , Get the number of items, get the specified index value, set whether the index item is activated, get the index value item is activated, set the icon of the item, get the icon of the item, set the title name of the item, get the title name of the item, set the prompt information of the item, get Item prompt information, setting the currently displayed tab, signal slot, source code , other articles, etc.
In actual development, an interface may contain more than a dozen controls, and manually adjusting their positions is time-consuming and laborious. The QToolBox class provides a list of tabbed widget items. The toolbox control QToolBox is somewhat similar to the switching card control QTableWidget, and it also consists of multiple pages, and each page has a title name. It is suitable for usage scenarios such as category browsing, content display, and operation guidance.
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QT QToolBox control use detailed directory
4 Get the index of the current item
6 Get the window whose index value is int
9 Get the specified index value
10 Set whether the index item is activated
11 Get whether the index value item is activated
16 Setting item prompt information
17 Obtain item prompt information
18 Set the currently displayed tab
1 New interface
2 Add tab
// 添加页签 QIcon图标或QPixmap图像
//QIcon icon("");
//QWidget* widget1 = new QWidget;
//QWidget* widget2 = new QWidget;
//QWidget* widget3 = new QWidget;
//ui->toolBox->addItem(new widget1, "D:/a.png", "Page 0");
//ui->toolBox->addItem(new widget2, QIcon(), "Page 1");
//ui->toolBox->addItem(new widget3, QIcon(), "Page 2");
//ui->toolBox->addItem(new QLabel("Content for page 3"), QIcon(), "Page 3");
//根据索引插入项,新插入项的索引值是index
//ui->toolBox->insertItem(3,widget1,icon,"");
//ui->toolBox->insertItem(3,widget1,"D:/a.png","");3 index set current item
ui->toolBox->setCurrentIndex(2);4 Get the index of the current item
qDebug() << "当前索引" << ui->toolBox->currentIndex();5 Get current item window
ui->toolBox->currentWidget();6 Get the window whose index value is int
ui->toolBox->widget(2);7 Remove the index value item
ui->toolBox->removeItem(2);8 Get the number of items
ui->toolBox->count();9 Get the specified index value
ui->toolBox->indexOf(ui->page_3);10 Set whether the index item is activated
ui->toolBox->setItemEnabled(2,true);11 Get whether the index value item is activated
ui->toolBox->isItemEnabled(0);12 Icons for setting items
ui->toolBox->setItemIcon(0,icon);13 Get the icon of the item
ui->toolBox->itemIcon(0);14 Setting item title name
ui->toolBox->setItemText(0,"page 1");15 Get item title name
ui->toolBox->itemIcon(0);16 Setting item prompt information
ui->toolBox->setItemToolTip(0,"提示");17 Obtain item prompt information
ui->toolBox->itemToolTip(0);18 Set the currently displayed tab
ui->toolBox->setCurrentWidget(ui->widget3);19 signal slots
private slots:
void on_toolBox_currentChanged(int index);
connect(ui->toolBox, &QToolBox::currentChanged, this, &MainWindow::on_toolBox_currentChanged);
void MainWindow::on_toolBox_currentChanged(int index)
{
qDebug() << "Current page changed: " << index;
}
20 source code
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QDebug>
//加入GBK申明，否则中文乱码 全局使用GBK文件操作因为有中文所以使用
#pragma execution_character_set("utf-8")
QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();
private slots:
void on_toolBox_currentChanged(int index);
private:
Ui::MainWindow *ui;
QString Title;
QString Version;
QString BlogText;
QWidget mWidget;
};
#endif // MAINWINDOW_H
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