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328 lines
11 KiB
328 lines
11 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPLAINTEXTEDIT_H
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#define QPLAINTEXTEDIT_H
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#include <QtGui/qtextedit.h>
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#include <QtGui/qabstractscrollarea.h>
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#include <QtGui/qtextdocument.h>
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#include <QtGui/qtextoption.h>
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#include <QtGui/qtextcursor.h>
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#include <QtGui/qtextformat.h>
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#include <QtGui/qabstracttextdocumentlayout.h>
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#ifndef QT_NO_TEXTEDIT
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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class QStyleSheet;
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class QTextDocument;
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class QMenu;
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class QPlainTextEditPrivate;
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class QMimeData;
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class Q_GUI_EXPORT QPlainTextEdit : public QAbstractScrollArea
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QPlainTextEdit)
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Q_ENUMS(LineWrapMode)
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Q_PROPERTY(bool tabChangesFocus READ tabChangesFocus WRITE setTabChangesFocus)
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Q_PROPERTY(QString documentTitle READ documentTitle WRITE setDocumentTitle)
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Q_PROPERTY(bool undoRedoEnabled READ isUndoRedoEnabled WRITE setUndoRedoEnabled)
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Q_PROPERTY(LineWrapMode lineWrapMode READ lineWrapMode WRITE setLineWrapMode)
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QDOC_PROPERTY(QTextOption::WrapMode wordWrapMode READ wordWrapMode WRITE setWordWrapMode)
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Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
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Q_PROPERTY(QString plainText READ toPlainText WRITE setPlainText NOTIFY textChanged USER true)
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Q_PROPERTY(bool overwriteMode READ overwriteMode WRITE setOverwriteMode)
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Q_PROPERTY(int tabStopWidth READ tabStopWidth WRITE setTabStopWidth)
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Q_PROPERTY(int cursorWidth READ cursorWidth WRITE setCursorWidth)
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Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
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Q_PROPERTY(int blockCount READ blockCount)
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Q_PROPERTY(int maximumBlockCount READ maximumBlockCount WRITE setMaximumBlockCount)
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Q_PROPERTY(bool backgroundVisible READ backgroundVisible WRITE setBackgroundVisible)
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Q_PROPERTY(bool centerOnScroll READ centerOnScroll WRITE setCenterOnScroll)
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public:
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enum LineWrapMode {
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NoWrap,
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WidgetWidth
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};
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explicit QPlainTextEdit(QWidget *parent = 0);
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explicit QPlainTextEdit(const QString &text, QWidget *parent = 0);
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virtual ~QPlainTextEdit();
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void setDocument(QTextDocument *document);
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QTextDocument *document() const;
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void setTextCursor(const QTextCursor &cursor);
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QTextCursor textCursor() const;
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bool isReadOnly() const;
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void setReadOnly(bool ro);
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void setTextInteractionFlags(Qt::TextInteractionFlags flags);
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Qt::TextInteractionFlags textInteractionFlags() const;
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void mergeCurrentCharFormat(const QTextCharFormat &modifier);
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void setCurrentCharFormat(const QTextCharFormat &format);
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QTextCharFormat currentCharFormat() const;
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bool tabChangesFocus() const;
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void setTabChangesFocus(bool b);
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inline void setDocumentTitle(const QString &title)
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{ document()->setMetaInformation(QTextDocument::DocumentTitle, title); }
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inline QString documentTitle() const
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{ return document()->metaInformation(QTextDocument::DocumentTitle); }
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inline bool isUndoRedoEnabled() const
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{ return document()->isUndoRedoEnabled(); }
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inline void setUndoRedoEnabled(bool enable)
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{ document()->setUndoRedoEnabled(enable); }
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inline void setMaximumBlockCount(int maximum)
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{ document()->setMaximumBlockCount(maximum); }
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inline int maximumBlockCount() const
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{ return document()->maximumBlockCount(); }
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LineWrapMode lineWrapMode() const;
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void setLineWrapMode(LineWrapMode mode);
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QTextOption::WrapMode wordWrapMode() const;
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void setWordWrapMode(QTextOption::WrapMode policy);
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void setBackgroundVisible(bool visible);
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bool backgroundVisible() const;
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void setCenterOnScroll(bool enabled);
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bool centerOnScroll() const;
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bool find(const QString &exp, QTextDocument::FindFlags options = 0);
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inline QString toPlainText() const
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{ return document()->toPlainText(); }
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void ensureCursorVisible();
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virtual QVariant loadResource(int type, const QUrl &name);
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#ifndef QT_NO_CONTEXTMENU
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QMenu *createStandardContextMenu();
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#endif
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QTextCursor cursorForPosition(const QPoint &pos) const;
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QRect cursorRect(const QTextCursor &cursor) const;
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QRect cursorRect() const;
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bool overwriteMode() const;
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void setOverwriteMode(bool overwrite);
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int tabStopWidth() const;
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void setTabStopWidth(int width);
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int cursorWidth() const;
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void setCursorWidth(int width);
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void setExtraSelections(const QList<QTextEdit::ExtraSelection> &selections);
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QList<QTextEdit::ExtraSelection> extraSelections() const;
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void moveCursor(QTextCursor::MoveOperation operation, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
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bool canPaste() const;
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#ifndef QT_NO_PRINTER
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void print(QPrinter *printer) const;
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#endif
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int blockCount() const;
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public Q_SLOTS:
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void setPlainText(const QString &text);
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#ifndef QT_NO_CLIPBOARD
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void cut();
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void copy();
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void paste();
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#endif
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void undo();
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void redo();
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void clear();
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void selectAll();
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void insertPlainText(const QString &text);
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void appendPlainText(const QString &text);
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void appendHtml(const QString &html);
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void centerCursor();
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Q_SIGNALS:
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void textChanged();
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void undoAvailable(bool b);
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void redoAvailable(bool b);
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void copyAvailable(bool b);
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void selectionChanged();
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void cursorPositionChanged();
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void updateRequest(const QRect &rect, int dy);
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void blockCountChanged(int newBlockCount);
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void modificationChanged(bool);
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protected:
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virtual bool event(QEvent *e);
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virtual void timerEvent(QTimerEvent *e);
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virtual void keyPressEvent(QKeyEvent *e);
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virtual void keyReleaseEvent(QKeyEvent *e);
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virtual void resizeEvent(QResizeEvent *e);
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virtual void paintEvent(QPaintEvent *e);
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virtual void mousePressEvent(QMouseEvent *e);
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virtual void mouseMoveEvent(QMouseEvent *e);
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virtual void mouseReleaseEvent(QMouseEvent *e);
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virtual void mouseDoubleClickEvent(QMouseEvent *e);
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virtual bool focusNextPrevChild(bool next);
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#ifndef QT_NO_CONTEXTMENU
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virtual void contextMenuEvent(QContextMenuEvent *e);
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#endif
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#ifndef QT_NO_DRAGANDDROP
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virtual void dragEnterEvent(QDragEnterEvent *e);
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virtual void dragLeaveEvent(QDragLeaveEvent *e);
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virtual void dragMoveEvent(QDragMoveEvent *e);
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virtual void dropEvent(QDropEvent *e);
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#endif
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virtual void focusInEvent(QFocusEvent *e);
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virtual void focusOutEvent(QFocusEvent *e);
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virtual void showEvent(QShowEvent *);
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virtual void changeEvent(QEvent *e);
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#ifndef QT_NO_WHEELEVENT
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virtual void wheelEvent(QWheelEvent *e);
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#endif
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virtual QMimeData *createMimeDataFromSelection() const;
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virtual bool canInsertFromMimeData(const QMimeData *source) const;
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virtual void insertFromMimeData(const QMimeData *source);
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virtual void inputMethodEvent(QInputMethodEvent *);
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QVariant inputMethodQuery(Qt::InputMethodQuery property) const;
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QPlainTextEdit(QPlainTextEditPrivate &dd, QWidget *parent);
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virtual void scrollContentsBy(int dx, int dy);
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QTextBlock firstVisibleBlock() const;
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QPointF contentOffset() const;
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QRectF blockBoundingRect(const QTextBlock &block) const;
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QRectF blockBoundingGeometry(const QTextBlock &block) const;
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QAbstractTextDocumentLayout::PaintContext getPaintContext() const;
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private:
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Q_DISABLE_COPY(QPlainTextEdit)
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Q_PRIVATE_SLOT(d_func(), void _q_repaintContents(const QRectF &r))
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Q_PRIVATE_SLOT(d_func(), void _q_adjustScrollbars())
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Q_PRIVATE_SLOT(d_func(), void _q_verticalScrollbarActionTriggered(int))
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Q_PRIVATE_SLOT(d_func(), void _q_cursorPositionChanged())
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friend class QPlainTextEditControl;
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};
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class QPlainTextDocumentLayoutPrivate;
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class Q_GUI_EXPORT QPlainTextDocumentLayout : public QAbstractTextDocumentLayout
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QPlainTextDocumentLayout)
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Q_PROPERTY(int cursorWidth READ cursorWidth WRITE setCursorWidth)
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public:
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QPlainTextDocumentLayout(QTextDocument *document);
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~QPlainTextDocumentLayout();
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void draw(QPainter *, const PaintContext &);
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int hitTest(const QPointF &, Qt::HitTestAccuracy ) const;
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int pageCount() const;
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QSizeF documentSize() const;
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QRectF frameBoundingRect(QTextFrame *) const;
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QRectF blockBoundingRect(const QTextBlock &block) const;
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void ensureBlockLayout(const QTextBlock &block) const;
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void setCursorWidth(int width);
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int cursorWidth() const;
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void requestUpdate();
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protected:
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void documentChanged(int from, int /*charsRemoved*/, int charsAdded);
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private:
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void setTextWidth(qreal newWidth);
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qreal textWidth() const;
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void layoutBlock(const QTextBlock &block);
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qreal blockWidth(const QTextBlock &block);
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QPlainTextDocumentLayoutPrivate *priv() const;
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friend class QPlainTextEdit;
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friend class QPlainTextEditPrivate;
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};
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QT_END_NAMESPACE
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||
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QT_END_HEADER
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||
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#endif // QT_NO_TEXTEDIT
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#endif // QPLAINTEXTEDIT_H
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