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Diffstat (limited to 'examples/quickcontrols2/texteditor/documenthandler.h')
-rw-r--r-- | examples/quickcontrols2/texteditor/documenthandler.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/examples/quickcontrols2/texteditor/documenthandler.h b/examples/quickcontrols2/texteditor/documenthandler.h new file mode 100644 index 00000000..48e2c509 --- /dev/null +++ b/examples/quickcontrols2/texteditor/documenthandler.h @@ -0,0 +1,173 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DOCUMENTHANDLER_H +#define DOCUMENTHANDLER_H + +#include <QFont> +#include <QObject> +#include <QTextCursor> +#include <QUrl> + +QT_BEGIN_NAMESPACE +class QTextDocument; +class QQuickTextDocument; +QT_END_NAMESPACE + +class DocumentHandler : public QObject +{ + Q_OBJECT + + Q_PROPERTY(QQuickTextDocument *document READ document WRITE setDocument NOTIFY documentChanged) + Q_PROPERTY(int cursorPosition READ cursorPosition WRITE setCursorPosition NOTIFY cursorPositionChanged) + Q_PROPERTY(int selectionStart READ selectionStart WRITE setSelectionStart NOTIFY selectionStartChanged) + Q_PROPERTY(int selectionEnd READ selectionEnd WRITE setSelectionEnd NOTIFY selectionEndChanged) + + Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor NOTIFY textColorChanged) + Q_PROPERTY(QString fontFamily READ fontFamily WRITE setFontFamily NOTIFY fontFamilyChanged) + Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged) + + Q_PROPERTY(bool bold READ bold WRITE setBold NOTIFY boldChanged) + Q_PROPERTY(bool italic READ italic WRITE setItalic NOTIFY italicChanged) + Q_PROPERTY(bool underline READ underline WRITE setUnderline NOTIFY underlineChanged) + + Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize NOTIFY fontSizeChanged) + + Q_PROPERTY(QUrl fileUrl READ fileUrl WRITE setFileUrl NOTIFY fileUrlChanged) + Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged) + Q_PROPERTY(QString documentTitle READ documentTitle WRITE setDocumentTitle NOTIFY documentTitleChanged) + +public: + explicit DocumentHandler(QObject *parent = nullptr); + + QQuickTextDocument *document() const; + void setDocument(QQuickTextDocument *quickDoc); + + void setCursorPosition(int position); + void setSelectionStart(int position); + void setSelectionEnd(int position); + + int cursorPosition() const { return m_cursorPosition; } + int selectionStart() const { return m_selectionStart; } + int selectionEnd() const { return m_selectionEnd; } + + QString fontFamily() const; + + QColor textColor() const; + + Qt::Alignment alignment() const; + void setAlignment(Qt::Alignment alignment); + + bool bold() const; + bool italic() const; + bool underline() const; + int fontSize() const; + + QUrl fileUrl() const; + QString text() const; + + QString documentTitle() const; + +public Q_SLOTS: + void setBold(bool bold); + void setItalic(bool italic); + void setUnderline(bool underline); + void setFontSize(int fontSize); + void setTextColor(const QColor &color); + void setFontFamily(const QString &fontFamily); + + void setFileUrl(const QUrl &fileUrl); + void setText(const QString &text); + void saveAs(const QUrl &fileUrl, const QString &fileType); + + void setDocumentTitle(const QString &documentTitle); + +Q_SIGNALS: + void documentChanged(); + void cursorPositionChanged(); + void selectionStartChanged(); + void selectionEndChanged(); + + void fontFamilyChanged(); + void textColorChanged(); + void alignmentChanged(); + + void boldChanged(); + void italicChanged(); + void underlineChanged(); + + void fontSizeChanged(); + + void fileUrlChanged(); + + void textChanged(); + void documentTitleChanged(); + void error(const QString &message); + +private: + void reset(); + QTextCursor textCursor() const; + void mergeFormatOnWordOrSelection(const QTextCharFormat &format); + + QQuickTextDocument *m_quickDoc; + QTextDocument *m_doc; + + int m_cursorPosition; + int m_selectionStart; + int m_selectionEnd; + + QFont m_font; + int m_fontSize; + QUrl m_fileUrl; + QString m_text; + QString m_documentTitle; +}; + +#endif |