textedit.h Example File | Qt Widgets 5.6

Qt 5.6 | Qt Widgets | Text Edit | textedit.h Example File

Qt 5.6.2 Reference Documentation

# textedit.h Example File

richtext/textedit/textedit.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the demonstration applications of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see http://www.qt.io/terms-conditions. For further
      ** information use the contact form at http://www.qt.io/contact-us.
      **
      ** GNU Lesser General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU Lesser
      ** General Public License version 2.1 or version 3 as published by the Free
      ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
      ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
      ** following information to ensure the GNU Lesser General Public License
      ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
      ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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      ** As a special exception, The Qt Company gives you certain additional
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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:
          virtual void closeEvent(QCloseEvent *e) Q_DECL_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