mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QMdiSubWindow>
#include <QMessageBox>
#include "trecentfiles.h"

class QPlainTextEdit;
class TFormDoc;


QT_BEGIN_NAMESPACE
namespace Ui {
class MainWindow;
}

QT_END_NAMESPACE

typedef QMessageBox::StandardButton SButton;

class MainWindow : public QMainWindow
{
    Q_OBJECT

protected:
    void closeEvent(QCloseEvent *event) override; //主窗口关闭时关闭所有子窗口

public:
    MainWindow(QWidget *parent ,const QString& filePath);
    ~MainWindow();
    // FileInterface
    virtual void openFile(const QString& aFileName,bool bNewFile = false) ;
    virtual void newFile() ;
    virtual QString recentOpenDir() ;
    //ShowResult interface
    void showStatusMsg(QString msg) ;

    QMenu * createTitleMenu(QWidget* target);

private slots:
    void on_actDoc_Open_triggered(); //打开文件

    void on_actDoc_New_triggered(); //新建文件

    void on_actCut_triggered();     //cut

    void on_actCopy_triggered();    //copy

    void on_actPaste_triggered();   //paste

    void on_actFont_triggered();    //设置字体

    void on_mdiArea_subWindowActivated(QMdiSubWindow *arg1);    //子窗口被激活

    void on_actCascade_triggered(); //级联形式显示子窗口

    void on_actTile_triggered();    //平铺形式显示子窗口

    void on_actCloseALL_triggered(); //关闭全部子窗口

    void on_actDoc_Save_triggered();

    void on_actionGo_to_triggered();


    void on_actionTabbedView_triggered(bool checked);

    void on_actionsearch_triggered();

    void on_actionZoom_in_triggered();

    void on_actionzoomout_triggered();

    void on_actionSearch_Next_triggered();

    void on_actionSearch_Previous_triggered();

    void on_actionReplace_triggered();

    void on_actionUndo_triggered();

    void on_actionRedo_triggered();

    void on_actionCloseTab_triggered();

    void on_actionClose_other_files_triggered();

    void on_actionSave_as_triggered();

    void on_actionSave_All_triggered();

    void on_recentFileOpen(bool checked);

private :
    void switchViewMode(bool isTabbed);


    bool findActiveForm(TFormDoc *&doc);

    void updateActionState();

    bool closeAllSubs();

    QMessageBox::StandardButton closeSub(QMdiSubWindow * subWindow, QMessageBox::StandardButton inButton = QMessageBox::NoButton, bool batch = false);


    QPlainTextEdit * getActiveEdit();
public slots:
    virtual void on_undoAvailable(bool b) ;
    virtual void on_redoAvailable(bool b) ;
    virtual void on_copyAvailable(bool b) ;
    virtual void on_selectionChanged() ;

    void on_editorDropFile(QString filePath);


private:
    TFormDoc * createFormDoc();
    Ui::MainWindow *ui;
    QString recentPath;
    QString openPath;
    TRecentFiles m_recentFiles;

    void loadSettings();
    void saveSettings();
    void saveFile(TFormDoc *doc,bool otherName = false);
    void updateRecentMenu();


};
#endif // MAINWINDOW_H