112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
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#include "mainwindow.h"
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#include <cstdio>
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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{
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// 设置窗口的标题
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setWindowTitle("正在学习QMainWindow");
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resize(1200,960);
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// 创建菜单栏（QMenuBar，QMenu，QAction）
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QMenuBar *menu_bar = menuBar();
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this->setMenuBar(menu_bar); // 设置当前窗口的菜单栏
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// 创建图片空间
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QPixmap pix_map;
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pix_map.load(":icon/start");
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// 创建菜单
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QMenu *menu1 = new QMenu("文件",this);
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// 创建菜单项
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QAction *openAction = menu1->addAction("打开...");
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QMenu *sub_menu = new QMenu("最近使用",this); // 子菜单
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sub_menu->addAction("d:\\a.txt");
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// 添加子菜单（菜单项也可以是一个菜单，即为子菜单）
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menu1->addMenu(sub_menu);
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QAction *newAction = menu1->addAction("新建...");
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menu1->addSeparator();
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newAction->setIcon(QIcon(pix_map));
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QAction *exitAction = menu1->addAction("退出");
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menu_bar->addMenu(menu1);
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exitAction->setIcon(QIcon(":icon/stop"));
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QMenu *menu2 = new QMenu("编辑",this);
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QAction *editAction = menu2->addAction("复制");
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menu2->addAction("剪切");
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menu2->addAction("粘贴");
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menu_bar->addMenu(menu2);
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// 菜单项的快捷方式
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openAction->setShortcut(QKeySequence(Qt::CTRL+Qt::Key_O));
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newAction->setShortcut(QKeySequence(tr("ctrl+n")));
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exitAction->setShortcut(QKeySequence(tr("ctrl+q")));
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// 初始化子控件
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mEdit = new QTextEdit(this);
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mEdit->hide();
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mWidget1 = new Widget1;
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connect(openAction,&QAction::triggered,[=](){
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takeCentralWidget(); // 将当前中心空间从主窗口移除
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qDebug()<<"正在打开文件...";
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setCentralWidget(mEdit);
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mEdit->show();
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});
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connect(newAction,&QAction::triggered,[=](){
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takeCentralWidget();
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qDebug()<<"正在新建文件...";
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setCentralWidget(mWidget1);
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});
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connect(exitAction,&QAction::triggered,this,&QMainWindow::close);
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// 工具栏
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QToolBar *tool_bar = new QToolBar;
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tool_bar->setParent(this);
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tool_bar->addAction(openAction);
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tool_bar->addAction(newAction);
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tool_bar->addSeparator();
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tool_bar->addAction(exitAction);
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tool_bar->setMovable(false); // 禁止拖动
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tool_bar->setFloatable(false); // 禁止浮动
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tool_bar->setAllowedAreas(Qt::LeftToolBarArea|Qt::RightToolBarArea);
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this->addToolBar(tool_bar);
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// this->addToolBar(Qt::LeftToolBarArea,tool_bar);
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// 创建状态栏
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QStatusBar *status_bar = new QStatusBar(this);
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setStatusBar(status_bar);
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QLabel *label1 = new QLabel("状态: 1",this);
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status_bar->addWidget(label1); // 从左向右添加
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QLabel *label2 = new QLabel("状态: 2",this);
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// label2->setFixedSize(200,40);
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// label2->setStyleSheet("background-color: #cf0f13; padding-left: 100px;");
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status_bar-> addPermanentWidget(label2); // 从右向左添加
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status_bar->addWidget(new QLabel("状态 3: 0",this),1); // 1 是平铺剩余空间
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// 创建铆接控件
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QDockWidget *dock = new QDockWidget("铆接1",this);
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dock->addAction(openAction);
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dock->addAction(exitAction);
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dock->setWidget(new Widget1(this));
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QDockWidget *dock2 = new QDockWidget("铆接2",this);
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dock2->setWidget(new QPushButton("点我试试",this));
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addDockWidget(Qt::TopDockWidgetArea,dock);
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addDockWidget(Qt::TopDockWidgetArea,dock2);
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// 中心部件
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}
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MainWindow::~MainWindow()
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{
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}
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