在主窗口基础之上，添加菜单和工具栏等的动作。
// !!! Qt 5
// ========== mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow(QWidget *parent = 0);
~MainWindow();
private:
void open();
QAction *openAction;
};
#endif // MAINWINDOW_H
// ========== mainwindow.cpp
#include <QAction>
#include <QMenuBar>
#include <QMessageBox>
#include <QStatusBar>
#include <QToolBar>
#include "mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent)
{
setWindowTitle(tr("Main Window"));
openAction = new QAction(QIcon(":/images/doc-open"), tr("&Open..."), this);
openAction->setShortcuts(QKeySequence::Open);
openAction->setStatusTip(tr("Open an existing file"));
connect(openAction, &QAction::triggered, this, &MainWindow::open);
QMenu *file = menuBar()->addMenu(tr("&File"));
file->addAction(openAction);
QToolBar *toolBar = addToolBar(tr("&File"));
toolBar->addAction(openAction);
statusBar() ;
}
MainWindow::~MainWindow()
{
}
void MainWindow::open()
{
QMessageBox::information(this, tr("Information"), tr("Open"));
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow win;
win.show();
return app.exec();
}
x
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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QMainWindow>
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class MainWindow :
public QMainWindow
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{
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Q_OBJECT
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public:
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MainWindow(
QWidget *parent = 0);
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~MainWindow();
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private:
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void open();
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QAction *openAction;
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};
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#endif
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#include <QAction>
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#include <QMenuBar>
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#include <QMessageBox>
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#include <QStatusBar>
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#include <QToolBar>
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#include "mainwindow.h"
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MainWindow::
MainWindow(
QWidget *parent) :
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QMainWindow(
parent)
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{
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setWindowTitle(
tr(
"Main Window"));
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openAction = new QAction(
QIcon(
":/images/doc-open"),
tr(
"&Open..."),
this);
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openAction->setShortcuts(
QKeySequence::
Open);
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openAction->setStatusTip(
tr(
"Open an existing file"));
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connect(
openAction,
&QAction::
triggered,
this,
&MainWindow::
open);
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QMenu *file = menuBar()
->addMenu(
tr(
"&File"));
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file->addAction(
openAction);
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QToolBar *toolBar = addToolBar(
tr(
"&File"));
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toolBar->addAction(
openAction);
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statusBar() ;
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}
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MainWindow::
~MainWindow()
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{
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}
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void MainWindow::
open()
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{
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QMessageBox::
information(
this,
tr(
"Information"),
tr(
"Open"));
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}
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int main(
int argc,
char *argv[])
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{
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QApplication app(
argc,
argv);
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MainWindow win;
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win.
show();
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return app.
exec();
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}
附件列表
MainWindow添加动作.jpg
转载于:https://www.cnblogs.com/LyndonMario/p/9326270.html
