1.新建一个空项目(其它项目—>空QT项目):
2
添加新文件(选择C++Class)
MyWidget.h |
#ifndef MYWIDGET_H #define MYWIDGET_H #include <QWidget> #include <QTextEdit> class MyWidget : public QWidget { Q_OBJECT public: explicit MyWidget(QWidget *parent = 0); QTextEdit* _edit; signals: public slots: void slotComboBoxIndexChanged(const QString&); }; #endif // MYWIDGET_H |
05Controls.pro文件的内容 |
HEADERS += \ MyWidget.h SOURCES += \ MyWidget.cpp QT += widgets gui CONFIG += C++11 |
MyWidget.cpp |
#include "MyWidget.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MyWidget::MyWidget(QWidget QWidget(parent) { QVBoxLayout* QLabel* QComboBox* QPushButton* QRadioButton* QTextEdit* QGroupBox* //说明可以通过编写样式的方式修改GUI中字体的样式 lay->addWidget(label //通过下面一句在lable上添加一个图片,当加了下面一句之后,上面的baidu字就会被覆盖 //label->setPixmap(QPixmap("../aaa.png")); //当选中了lable之后会,输出字符串 connect(label, qDebug() }); lay->addWidget(button //为button添加样式 button->setStyleSheet("QPushButton lay->addWidget(radio radio->setStyleSheet("QRadioButton //为单选按钮添加事件,true或者false connect(radio, qDebug() }); lay->addWidget(new //添加下拉选 lay->addWidget(combo combo->addItem("Select combo->addItem("Select //设置下拉选可以被编辑 combo->setEditable(true); //当下拉选selectChanged之后,用信号槽进行处理 connect(combo, combo->setCompleter(new //说明多行文本框之中可以使用html标签页面 lay->addWidget(edit edit->setText("<table "<tr><td>value1</td><td>value2</td></tr>" "<tr><td>value3</td><td>value4</td></tr>" "</table><br>" "<img _edit connect(edit, // qDebug() }); //设置竖直方向上有水平滚动条 edit->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); //设置水平方向上没有滚动条 edit->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); lay->addWidget(group QHBoxLayout* group->setLayout(hBoxLay hBoxLay->addWidget(new hBoxLay->addWidget(new QSlider* QSpinBox* lay->addWidget(slider slider->setMaximum(100); slider->setMinimum(0); lay->addWidget(spinBox spinBox->setMaximum(100); spinBox->setMinimum(0); connect(slider, connect(spinBox, lay->addWidget(new //设置LCD样式的显示状态 QLCDNumber* lay->addWidget(lcd lcd->display(12345); lcd->setMode(QLCDNumber::Hex); lcd->setSegmentStyle(QLCDNumber::Outline); } void { qDebug() } int { QApplication MyWidget w.show(); return } |
运行结果: |