.pro
1 QT += core gui
2
3 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
4
5 CONFIG += c++11
6
7 # The following define makes your compiler emit warnings if you use
8 # any Qt feature that has been marked deprecated (the exact warnings
9 # depend on your compiler). Please consult the documentation of the
10 # deprecated API in order to know how to port your code away from it.
11 DEFINES += QT_DEPRECATED_WARNINGS
12
13 # You can also make your code fail to compile if it uses deprecated APIs.
14 # In order to do so, uncomment the following line.
15 # You can also select to disable deprecated APIs only up to a certain version of Qt.
16 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
17
18 SOURCES += \
19 main.cpp \
20 mainwindow.cpp
21
22 HEADERS += \
23 mainwindow.h
24
25 FORMS += \
26 mainwindow.ui
27
28 # Default rules for deployment.
29 qnx: target.path = /tmp/$${TARGET}/bin
30 else: unix:!android: target.path = /opt/$${TARGET}/bin
31 !isEmpty(target.path): INSTALLS += target
View Code
main.cpp
1 #include "mainwindow.h"
2
3 #include <QApplication>
4
5 int main(int argc, char *argv[])
6 {
7 QApplication a(argc, argv);
8 MainWindow w;
9 w.show();
10 return a.exec();
11 }
View Code
mainwindow.h
1 #ifndef MAINWINDOW_H
2 #define MAINWINDOW_H
3
4 #include <QMainWindow>
5 //
6 #include <QMenu>
7 #include <QMenuBar>
8 #include <QToolBar>
9 #include <QAction>
10 #include <QMessageBox>
11 #include <QDebug>
12 #include <QLabel>
13
14 QT_BEGIN_NAMESPACE
15 namespace Ui { class MainWindow; }
16 QT_END_NAMESPACE
17
18 class MainWindow : public QMainWindow
19 {
20 Q_OBJECT
21
22 public:
23 MainWindow(QWidget *parent = nullptr);
24 ~MainWindow();
25
26 void craeteMenuBar();
27 void craeteToolBar();
28 void craeteStatusBar();
29 public slots:
30 void clickcutToolbarAction();
31 void clickitalicToolbarAction();
32 private:
33 QMenu* m_menu;
34 QAction* m_newMenu;
35 QAction* m_openMenu;
36
37 QToolBar* m_Toolbar;
38 QAction* m_Action1;
39 QAction* m_Action2;
40 QAction* m_Action3;
41 QAction* m_Action4;
42
43 Ui::MainWindow *ui;
44 };
45 #endif // MAINWINDOW_H
View Code
mainwindow.cpp
1 #include "mainwindow.h"
2 #include "ui_mainwindow.h"
3
4 MainWindow::MainWindow(QWidget *parent)
5 : QMainWindow(parent)
6 , ui(new Ui::MainWindow)
7 {
8 ui->setupUi(this);
9
10 craeteToolBar();
11 }
12
13 MainWindow::~MainWindow()
14 {
15 delete ui;
16 }
17
18 void MainWindow::craeteToolBar()
19 {
20 //方法1：构建工具栏
21 //m_Toolbar = addToolBar("file");
22 //方法2：构建工具栏
23 m_Toolbar = new QToolBar(this);
24 this->addToolBar(m_Toolbar);
25 m_Action1 = new QAction("A",this);
26 m_Action2 = new QAction("B",this);
27 m_Action3 = new QAction("C",this);
28 m_Action4 = new QAction("D",this);
29 m_Toolbar->addAction(m_Action1);
30 m_Toolbar->addAction(m_Action2);
31 m_Toolbar->addAction(m_Action3);
32 m_Toolbar->addAction(m_Action4);
33 connect(m_Action1, SIGNAL(triggered()), this, SLOT(clickcutToolbarAction()));
34 connect(m_Action2, SIGNAL(triggered()), this, SLOT(clickitalicToolbarAction()));
35 }
36
37 void MainWindow::clickcutToolbarAction()
38 {
39 QMessageBox MyBox(QMessageBox::Question,"Title","cutToolBar",QMessageBox::Yes | QMessageBox::No);
40 MyBox.exec();
41 }
42
43 void MainWindow::clickitalicToolbarAction()
44 {
45 QMessageBox MyBox(QMessageBox::Question,"Title","italicToolBar",QMessageBox::Yes | QMessageBox::No);
46 MyBox.exec();
47 }
View Code
mainwindow.ui
1 <?xml version="1.0" encoding="UTF-8"?> 2 <ui version="4.0"> 3 <class>MainWindow</class> 4 <widget class="QMainWindow" name="MainWindow"> 5 <property name="geometry"> 6 <rect> 7 <x>0</x> 8 <y>0</y> 9 <width>505</width> 10 <height>214</height> 11 </rect> 12 </property> 13 <property name="windowTitle"> 14 <string>MainWindow</string> 15 </property> 16 <widget class="QWidget" name="centralwidget"/> 17 <widget class="QMenuBar" name="menubar"> 18 <property name="geometry"> 19 <rect> 20 <x>0</x> 21 <y>0</y> 22 <width>505</width> 23 <height>22</height> 24 </rect> 25 </property> 26 </widget> 27 <widget class="QStatusBar" name="statusbar"/> 28 </widget> 29 <resources/> 30 <connections/> 31 </ui>View Code
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<iframe></iframe> 标签：Qt,void,QAction,mainwindow,QMessageBox,使用,include,MainWindow,QToolBar From： https://www.cnblogs.com/FKdelphi/p/16977981.html