Qt之QStatusBar使用
.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
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 }
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
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 }
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>
作者:疯狂Delphi
本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利.
欢迎关注我,一起进步!扫描下方二维码即可加我