diff options
Diffstat (limited to 'src/gui/widgets/qplaintextedit_p.h')
| -rw-r--r-- | src/gui/widgets/qplaintextedit_p.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/gui/widgets/qplaintextedit_p.h b/src/gui/widgets/qplaintextedit_p.h new file mode 100644 index 0000000..0739d53 --- /dev/null +++ b/src/gui/widgets/qplaintextedit_p.h @@ -0,0 +1,182 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPLAINTEXTEDIT_P_H +#define QPLAINTEXTEDIT_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "private/qabstractscrollarea_p.h" +#include "QtGui/qtextdocumentfragment.h" +#include "QtGui/qscrollbar.h" +#include "QtGui/qtextcursor.h" +#include "QtGui/qtextformat.h" +#include "QtGui/qmenu.h" +#include "QtGui/qabstracttextdocumentlayout.h" +#include "QtCore/qbasictimer.h" +#include "private/qtextcontrol_p.h" +#include "qplaintextedit.h" + +#ifndef QT_NO_TEXTEDIT + +QT_BEGIN_NAMESPACE + +class QMimeData; + +class QPlainTextEdit; +class ExtraArea; + +class QPlainTextEditControl : public QTextControl +{ + Q_OBJECT +public: + QPlainTextEditControl(QPlainTextEdit *parent); + + + QMimeData *createMimeDataFromSelection() const; + bool canInsertFromMimeData(const QMimeData *source) const; + void insertFromMimeData(const QMimeData *source); + int hitTest(const QPointF &point, Qt::HitTestAccuracy = Qt::FuzzyHit) const; + QRectF blockBoundingRect(const QTextBlock &block) const; + inline QRectF cursorRect(const QTextCursor &cursor) const { + QRectF r = QTextControl::cursorRect(cursor); + r.setLeft(qMax(r.left(), (qreal) 0.)); + return r; + } + inline QRectF cursorRect() { return cursorRect(textCursor()); } + void ensureCursorVisible() { textEdit->ensureCursorVisible(); } + + + QPlainTextEdit *textEdit; + int topBlock; + QTextBlock firstVisibleBlock() const; + + QVariant loadResource(int type, const QUrl &name) { + return textEdit->loadResource(type, name); + } + +}; + + +class QPlainTextEditPrivate : public QAbstractScrollAreaPrivate +{ + Q_DECLARE_PUBLIC(QPlainTextEdit) +public: + QPlainTextEditPrivate(); + + void init(const QString &txt = QString()); + void _q_repaintContents(const QRectF &contentsRect); + + inline QPoint mapToContents(const QPoint &point) const + { return QPoint(point.x() + horizontalOffset(), point.y() + verticalOffset()); } + + void _q_adjustScrollbars(); + void _q_verticalScrollbarActionTriggered(int action); + void ensureViewportLayouted(); + void relayoutDocument(); + + void pageUpDown(QTextCursor::MoveOperation op, QTextCursor::MoveMode moveMode, bool moveCursor = true); + + inline int horizontalOffset() const + { return (q_func()->isRightToLeft() ? (hbar->maximum() - hbar->value()) : hbar->value()); } + int verticalOffset(int topBlock, int topLine) const; + int verticalOffset() const; + + inline void sendControlEvent(QEvent *e) + { control->processEvent(e, QPointF(horizontalOffset(), verticalOffset()), viewport); } + + void updateDefaultTextOption(); + + QPlainTextEditControl *control; + + bool tabChangesFocus; + + QBasicTimer autoScrollTimer; + QPoint autoScrollDragPos; + + QPlainTextEdit::LineWrapMode lineWrap; + QTextOption::WrapMode wordWrap; + + uint showCursorOnInitialShow : 1; + uint backgroundVisible : 1; + uint centerOnScroll : 1; + uint inDrag : 1; + + int topLine; + + void setTopLine(int visualTopLine, int dx = 0); + void setTopBlock(int newTopBlock, int newTopLine, int dx = 0); + + void ensureVisible(int position, bool center, bool forceCenter = false); + void ensureCursorVisible(bool center = false); + void updateViewport(); + + QPointer<QPlainTextDocumentLayout> documentLayoutPtr; + + void append(const QString &text, Qt::TextFormat format = Qt::AutoText); + + qreal pageUpDownLastCursorY; + bool pageUpDownLastCursorYIsValid; + + +#ifdef QT_KEYPAD_NAVIGATION + QBasicTimer deleteAllTimer; +#endif + + void _q_cursorPositionChanged(); + + void _q_modificationChanged(bool); +}; + +QT_END_NAMESPACE + +#endif // QT_NO_TEXTEDIT + +#endif // QPLAINTEXTEDIT_P_H |