textedit.h Example File

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  #ifndef TEXTEDIT_H
  #define TEXTEDIT_H

  #include <QMainWindow>
  #include <QMap>
  #include <QPointer>

  class QAction;
  class QComboBox;
  class QFontComboBox;
  class QTextEdit;
  class QTextCharFormat;
  class QMenu;
  class QPrinter;

  class TextEdit : public QMainWindow
  {
      Q_OBJECT

  public:
      TextEdit(QWidget *parent = 0);

      bool load(const QString &f);

  public slots:
      void fileNew();

  protected:
      void closeEvent(QCloseEvent *e) override;

  private slots:
      void fileOpen();
      bool fileSave();
      bool fileSaveAs();
      void filePrint();
      void filePrintPreview();
      void filePrintPdf();

      void textBold();
      void textUnderline();
      void textItalic();
      void textFamily(const QString &f);
      void textSize(const QString &p);
      void textStyle(int styleIndex);
      void textColor();
      void textAlign(QAction *a);

      void currentCharFormatChanged(const QTextCharFormat &format);
      void cursorPositionChanged();

      void clipboardDataChanged();
      void about();
      void printPreview(QPrinter *);

  private:
      void setupFileActions();
      void setupEditActions();
      void setupTextActions();
      bool maybeSave();
      void setCurrentFileName(const QString &fileName);

      void mergeFormatOnWordOrSelection(const QTextCharFormat &format);
      void fontChanged(const QFont &f);
      void colorChanged(const QColor &c);
      void alignmentChanged(Qt::Alignment a);

      QAction *actionSave;
      QAction *actionTextBold;
      QAction *actionTextUnderline;
      QAction *actionTextItalic;
      QAction *actionTextColor;
      QAction *actionAlignLeft;
      QAction *actionAlignCenter;
      QAction *actionAlignRight;
      QAction *actionAlignJustify;
      QAction *actionUndo;
      QAction *actionRedo;
  #ifndef QT_NO_CLIPBOARD
      QAction *actionCut;
      QAction *actionCopy;
      QAction *actionPaste;
  #endif

      QComboBox *comboStyle;
      QFontComboBox *comboFont;
      QComboBox *comboSize;

      QToolBar *tb;
      QString fileName;
      QTextEdit *textEdit;
  };

  #endif // TEXTEDIT_H