.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 craeteStatusBar();
27 private:
28 Ui::MainWindow *ui;
29 };
30 #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 craeteStatusBar();
11 }
12
13 MainWindow::~MainWindow()
14 {
15 delete ui;
16 }
17
18 void MainWindow::craeteStatusBar()
19 {
20 QLabel* label1 = new QLabel("Label1",this);
21 QLabel* label2 = new QLabel("Label2",this);
22 QLabel* label3 = new QLabel("Label3",this);
23 statusBar()->addWidget(label1,1);
24 statusBar()->addWidget(label2,1);
25 statusBar()->addWidget(label3,1);
26 }
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>450</width>
10 <height>172</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>450</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>
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