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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKTEXTEDIT_P_P_H
#define QQUICKTEXTEDIT_P_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 "qquicktextedit_p.h"
#include "qquickimplicitsizeitem_p_p.h"
#include "qquicktextutil_p.h"
#include <QtQml/qqml.h>
#include <QtCore/qlist.h>
#include <private/qlazilyallocated_p.h>
#include <limits>
QT_BEGIN_NAMESPACE
class QTextLayout;
class QQuickTextDocumentWithImageResources;
class QQuickTextControl;
class QQuickTextNode;
class QQuickTextNodeEngine;
class Q_QUICK_PRIVATE_EXPORT QQuickTextEditPrivate : public QQuickImplicitSizeItemPrivate
{
public:
Q_DECLARE_PUBLIC(QQuickTextEdit)
typedef QQuickTextEdit Public;
struct Node {
explicit Node(int startPos = std::numeric_limits<int>::max(),
QQuickTextNode *node = nullptr)
: m_startPos(startPos), m_node(node), m_dirty(false) { }
QQuickTextNode* textNode() const { return m_node; }
void moveStartPos(int delta) { Q_ASSERT(m_startPos + delta > 0); m_startPos += delta; }
int startPos() const { return m_startPos; }
void setDirty() { m_dirty = true; }
bool dirty() const { return m_dirty; }
private:
int m_startPos;
QQuickTextNode* m_node;
bool m_dirty;
};
typedef QList<Node>::iterator TextNodeIterator;
struct ExtraData {
ExtraData();
qreal padding;
qreal topPadding;
qreal leftPadding;
qreal rightPadding;
qreal bottomPadding;
bool explicitTopPadding : 1;
bool explicitLeftPadding : 1;
bool explicitRightPadding : 1;
bool explicitBottomPadding : 1;
bool implicitResize : 1;
};
QLazilyAllocated<ExtraData> extra;
QQuickTextEditPrivate()
: color(QRgb(0xFF000000)), selectionColor(QRgb(0xFF000080)), selectedTextColor(QRgb(0xFFFFFFFF))
, textMargin(0.0), xoff(0), yoff(0)
, font(sourceFont), cursorComponent(nullptr), cursorItem(nullptr), document(nullptr), control(nullptr)
, quickDocument(nullptr), lastSelectionStart(0), lastSelectionEnd(0), lineCount(0)
, hAlign(QQuickTextEdit::AlignLeft), vAlign(QQuickTextEdit::AlignTop)
, format(QQuickTextEdit::PlainText), wrapMode(QQuickTextEdit::NoWrap)
, renderType(QQuickTextUtil::textRenderType<QQuickTextEdit>())
, contentDirection(Qt::LayoutDirectionAuto)
, mouseSelectionMode(QQuickTextEdit::SelectCharacters)
#if QT_CONFIG(im)
, inputMethodHints(Qt::ImhNone)
#endif
, updateType(UpdatePaintNode)
, dirty(false), richText(false), cursorVisible(false), cursorPending(false)
, focusOnPress(true), persistentSelection(false), requireImplicitWidth(false)
, selectByMouse(false), canPaste(false), canPasteValid(false), hAlignImplicit(true)
, textCached(true), inLayout(false), selectByKeyboard(false), selectByKeyboardSet(false)
, hadSelection(false), markdownText(false)
{
}
static QQuickTextEditPrivate *get(QQuickTextEdit *item) {
return static_cast<QQuickTextEditPrivate *>(QObjectPrivate::get(item)); }
void init();
void resetInputMethod();
void updateDefaultTextOption();
void relayoutDocument();
bool determineHorizontalAlignment();
bool setHAlign(QQuickTextEdit::HAlignment, bool forceAlign = false);
void mirrorChange() override;
bool transformChanged(QQuickItem *transformedItem) override;
qreal getImplicitWidth() const override;
Qt::LayoutDirection textDirection(const QString &text) const;
bool isLinkHoveredConnected();
void setNativeCursorEnabled(bool) {}
void handleFocusEvent(QFocusEvent *event);
void addCurrentTextNodeToRoot(QQuickTextNodeEngine *, QSGTransformNode *, QQuickTextNode*, TextNodeIterator&, int startPos);
QQuickTextNode* createTextNode();
#if QT_CONFIG(im)
Qt::InputMethodHints effectiveInputMethodHints() const;
#endif
inline qreal padding() const { return extra.isAllocated() ? extra->padding : 0.0; }
void setTopPadding(qreal value, bool reset = false);
void setLeftPadding(qreal value, bool reset = false);
void setRightPadding(qreal value, bool reset = false);
void setBottomPadding(qreal value, bool reset = false);
bool isImplicitResizeEnabled() const;
void setImplicitResizeEnabled(bool enabled);
QColor color;
QColor selectionColor;
QColor selectedTextColor;
QSizeF contentSize;
qreal textMargin;
qreal xoff;
qreal yoff;
QString text;
QUrl baseUrl;
QFont sourceFont;
QFont font;
QQmlComponent* cursorComponent;
QQuickItem* cursorItem;
QQuickTextDocumentWithImageResources *document;
QQuickTextControl *control;
QQuickTextDocument *quickDocument;
QList<Node> textNodeMap;
int lastSelectionStart;
int lastSelectionEnd;
int lineCount;
int firstBlockInViewport = -1; // only for the autotest; can be wrong after scrolling sometimes
int firstBlockPastViewport = -1; // only for the autotest
QRectF renderedRegion;
enum UpdateType {
UpdateNone,
UpdateOnlyPreprocess,
UpdatePaintNode
};
QQuickTextEdit::HAlignment hAlign;
QQuickTextEdit::VAlignment vAlign;
QQuickTextEdit::TextFormat format;
QQuickTextEdit::WrapMode wrapMode;
QQuickTextEdit::RenderType renderType;
Qt::LayoutDirection contentDirection;
QQuickTextEdit::SelectionMode mouseSelectionMode;
#if QT_CONFIG(im)
Qt::InputMethodHints inputMethodHints;
#endif
UpdateType updateType;
Qt::CursorShape cursorToRestoreAfterHover = Qt::IBeamCursor;
bool dirty : 1;
bool richText : 1;
bool cursorVisible : 1;
bool cursorPending : 1;
bool focusOnPress : 1;
bool persistentSelection : 1;
bool requireImplicitWidth:1;
bool selectByMouse:1;
bool canPaste:1;
bool canPasteValid:1;
bool hAlignImplicit:1;
bool textCached:1;
bool inLayout:1;
bool selectByKeyboard:1;
bool selectByKeyboardSet:1;
bool hadSelection : 1;
bool markdownText : 1;
static const int largeTextSizeThreshold;
};
QT_END_NAMESPACE
#endif // QQUICKTEXTEDIT_P_P_H
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