mac踩坑之路

1.打开开发者工具，窗口拖动就会有问题
2.窗口关闭之前请置空Tray.setTitle(title) 中的值，否则就会弹出退出异常


// 引入electron并创建一个Browserwindow
const { app, BrowserWindow, globalShortcut, Tray, Menu,ipcMain,dialog} = require('electron')
const path = require('path')
const url = require('url')
const child_process = require('child_process')
const pathName = path.join(__dirname, 'demo/javascript/src/ScreenCapture.app')
const niuniupath=path.join(__dirname, './ScreenCapture.app')
// 保持window对象的全局引用,避免JavaScript对象被垃圾回收时,窗口被自动关闭.
let mainWindow
let tray = null;
//var count = 0,timer=null;
//var count1 = 0,timer1=null;
//设置快捷键
app.on('ready', function () {
    globalShortcut.register('ctrl+alt+o', function () {
        mainWindow.webContents.send('main-process-messages', 'StartCapture')
    });
    // var t1=setInterval(function(){
    //   if(!mainWindow.isMinimized()){
    //     clearInterval(timer);
    //   }
    // })
});

function createWindow() {
    //创建浏览器窗口,宽高自定义
    mainWindow = new BrowserWindow({ width: 1024, height: 700, minWidth: 712, minHeight: 505, maximizable: true, icon: 'icon.png', backgroundColor: '#ffffff', frame: false,show:false,movable:true,skipTaskbar:true
    })
    mainWindow.once('ready-to-show', () => {
        mainWindow.show()
    }) 
    //加载应用-----  electron-quick-start中默认的加载入口
    mainWindow.loadURL(url.format({
        pathname: path.join(__dirname, 'index.html'),
        protocol: 'file:',
        slashes: true
    }));
    const exec = child_process.exec
    exec(`open+${niuniupath}`)
    // 打开开发者工具，默认不打开
    //mainWindow.webContents.openDevTools()

    // 关闭window时触发下列事件.
    mainWindow.on('closed', function (e) {
        e.preventDefault()
       //// dialog.showErrorBox('一条信息', '关闭完了')
        mainWindow = null;    
        mainWindow.destroy();
        mainWindow.setSkipTaskbar(false)
        //mainWindow.webContents.send('main-outlogin')
    })  
    //关闭
    mainWindow.on('close', (event) => {
        mainWindow.hide();
        event.preventDefault();
        //dialog.showErrorBox('一条信息', '关闭')
        mainWindow.webContents.send('main-outlogin')
        mainWindow.setSkipTaskbar(false)
        mainWindow.destroy();
        mainWindow.hide() 
    });
    //显示
    mainWindow.on('show', () => {
    ///tray.setHighlightMode('always');
   // dialog.showErrorBox('一条信息', "展示")
    })
    mainWindow.on('restore', () => {
    ////////dialog.showErrorBox('一条信息', '从小道大'
    })
    //隐藏

    mainWindow.on('hide', () => {
    ////tray.setHighlightMode('always')
    //dialog.showErrorBox('一条信息', "隐藏")
    })
    //托盘
    tray = new Tray(path.join(__dirname, './tray.png'))
    //处理mac系统下快捷键问题
//     const contextMenu = Menu.buildFromTemplate([
//         {
//             label:["Edit"],
//             submenu: [
//                 { label: "Undo", accelerator: "CmdOrCtrl+Z", role: "undo" },
//                 { label: "Redo", accelerator: "Shift+CmdOrCtrl+Z", role: "redo" },
//                 { label: "Cut", accelerator: "CmdOrCtrl+X", role: "cut" },
//                 { label: "Copy", accelerator: "CmdOrCtrl+C", role: "copy" },
//                 { label: "Paste", accelerator: "CmdOrCtrl+V", role: "paste" },
//                 { label:"Select All", accelerator: "CmdOrCtrl+A", role: "selectAll" }
//             ]
//         }
//     ])
//    Menu.setApplicationMenu(contextMenu)
    ipcMain.on("open-error-dialog", function(event,num) {
        ////dialog.showErrorBox('一条信息', '都读完了')
        if (num*1>0) {
            if(num*1>99){
                app.dock.setBadge("99+");
                tray.setTitle(`99+`);
            }else{
                app.dock.setBadge(num);
                tray.setTitle(`${num}`);
            }
        } else {
            app.dock.setBadge("");
            tray.setTitle('');
        }
 
    })

    ipcMain.on("open-jietu", function(event) {
        //dialog.showErrorBox('一条信息', '截图完成')
        mainWindow.focus(); 
        mainWindow.show(); 
    })

    ipcMain.on("out-login", function(event) {
        //dialog.showErrorBox('一条信息', '截图完成')
        app.dock.setBadge("");
        tray.setTitle('');    
    })
    if (process.platform === "darwin") {
        let contents = mainWindow.webContents;
        globalShortcut.register("CommandOrControl+C", () => {
          contents.copy();
        });
        globalShortcut.register("CommandOrControl+V", () => {
          contents.paste();
        });
      }

}
//单例进程
const gotTheLock = app.requestSingleInstanceLock()
if (!gotTheLock) {
    //app.quit()
} else {
    app.on('second-instance', (event, commandLine, workingDirectory) => {
    // 当运行第二个实例时,将会聚焦到mainWindow这个窗口
        if (mainWindow) {
            mainWindow.show();
            if (mainWindow.isMinimized()) {
                mainWindow.restore();
                mainWindow.focus();   
            }
        }
    });
}
// 当 Electron 完成初始化并准备创建浏览器窗口时调用此方法
app.on('ready', createWindow)

// 所有窗口关闭时退出应用.


app.on('window-all-closed', function () {
    /// dialog.showErrorBox('一条信息', '所有窗口都关闭')
    // macOS中除非用户按下 `Cmd + Q` 显式退出,否则应用与菜单栏始终处于活动状态.
    ///if (process.platform !== 'darwin') {
    ///app.quit();
    ///}
})

app.on('before-quit', e => {
    // 只在 win 系统下销毁托盘图标
    ///dialog.showErrorBox('一条信息', '开始关闭')
    ///if (process.platform === 'win32') {
    tray.setTitle('');
    //tray.hide();
    app.dock.hide()
    //}
})

app.on('activate', function () {
    if (mainWindow === null) {
        createWindow()
    }
})

// 这是mac打包appdmg appdmg.json ~/Desktop/xxx.dmg
appdmg.json
{
    "title":"xxx", 
    "icon":"icon.icns", 
    "background":"icon.png",
    "icon-size":96, 
    "window":{
      "position":{
        "x":200,"y":300
      },
      "size":{
        "width":500,"height":300
      }
    },
    "contents":[ 
      { "x":400, "y":128, "type":"link", "path" :"/Applications"},
      { "x":150 , "y":128,"type": "file","path":"./webApp/xxx-darwin-x64/xxx.app"},
      { "x":1000 , "y":7000,"type": "position","name":"icon","path":"icon.icns"},
      { "x":1000 , "y":7000,"type": "position","name":"background","path":"icon.png"}
    ] 
}