qquicktextnodeengine

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qquicktextnodeengine_p.h

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/****************************************************************************

** 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.

** $QT_END_LICENSE$

****************************************************************************/

#include <QtCore/qlist.h>

#include <QtCore/qvarlengtharray.h>

#include <QtGui/qcolor.h>

#include <QtGui/qglyphrun.h>

#include <QtGui/qimage.h>

#include <QtGui/qtextdocument.h>

#include <QtGui/qtextlayout.h>

#include "qquickclipnode_p.h"

#include "qquicktextnode_p.h"

#ifndef QQUICKTEXTNODEENGINE_P_H

#define QQUICKTEXTNODEENGINE_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.

QT_BEGIN_NAMESPACE

// Engine that takes glyph runs as input, and produces a set of glyph nodes, clip nodes,

// and rectangle nodes to represent the text, decorations and selection. Will try to minimize

// number of nodes, and join decorations in neighbouring items

class QQuickTextNodeEngine {

public:

enum Decoration {

NoDecoration = 0x0,

Underline = 0x1,

Overline = 0x2,

StrikeOut = 0x4,

Background = 0x8

};

Q_DECLARE_FLAGS(Decorations, Decoration)

enum SelectionState {

Unselected,

Selected

};

struct BinaryTreeNode {

BinaryTreeNode()

: selectionState(Unselected), clipNode(0), decorations(Decoration::NoDecoration)

, ascent(0.0), leftChildIndex(-1), rightChildIndex(-1)

{

}

never executed: end of block

BinaryTreeNode(const QRectF &brect, const QImage &i, SelectionState selState, qreal a)

: boundingRect(brect), selectionState(selState), clipNode(0), decorations(Decoration::NoDecoration)

, image(i), ascent(a), leftChildIndex(-1), rightChildIndex(-1)

{

}

executed 4 times by 1 test: end of block

Executed by:

tst_qquicktext

100

BinaryTreeNode(const QGlyphRun &g, SelectionState selState, const QRectF &brect,

101

const Decorations &decs, const QColor &c, const QColor &bc,

102

const QPointF &pos, qreal a);

QGlyphRun glyphRun;

QRectF boundingRect;

SelectionState selectionState;

107

QQuickDefaultClipNode *clipNode;

108

Decorations decorations;

109

QColor color;

110

QColor backgroundColor;

QPointF position;

QImage image;

qreal ascent;

int leftChildIndex;

int rightChildIndex;

QList<QPair<int, int> > ranges;

119

120

static void insert(QVarLengthArray<BinaryTreeNode, 16> *binaryTree, const QRectF &rect, const QImage &image, qreal ascent, SelectionState selectionState)

121

{ insert(binaryTree, BinaryTreeNode(rect, image, selectionState, ascent)); }

executed 4 times by 1 test: end of block

Executed by:

tst_qquicktext

122

123

static void insert(QVarLengthArray<BinaryTreeNode, 16> *binaryTree, const QGlyphRun &glyphRun, SelectionState selectionState,

124

Decorations decorations, const QColor &textColor, const QColor &backgroundColor, const QPointF &position);

125

static void insert(QVarLengthArray<BinaryTreeNode, 16> *binaryTree, const BinaryTreeNode &binaryTreeNode);

126

static void inOrder(const QVarLengthArray<BinaryTreeNode, 16> &binaryTree, QVarLengthArray<int> *sortedIndexes, int currentIndex = 0);

127

};

128

129

struct BinaryTreeNodeKey

130

{

131

BinaryTreeNodeKey(BinaryTreeNode *node);

132

133

bool operator==(const BinaryTreeNodeKey &otherKey) const

134

{

135

return fontEngine == otherKey.fontEngine

executed 250924 times by 24 tests:

return fontEngine == otherKey.fontEngine && clipNode == otherKey.clipNode && color == otherKey.color && selectionState == otherKey.selectionState;

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

250924

136

&& clipNode == otherKey.clipNode

executed 250924 times by 24 tests:

return fontEngine == otherKey.fontEngine && clipNode == otherKey.clipNode && color == otherKey.color && selectionState == otherKey.selectionState;

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

250924

137

&& color == otherKey.color

executed 250924 times by 24 tests:

return fontEngine == otherKey.fontEngine && clipNode == otherKey.clipNode && color == otherKey.color && selectionState == otherKey.selectionState;

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

250924

138

&& selectionState == otherKey.selectionState;

executed 250924 times by 24 tests:

return fontEngine == otherKey.fontEngine && clipNode == otherKey.clipNode && color == otherKey.color && selectionState == otherKey.selectionState;

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

250924

139

}

140

141

QFontEngine *fontEngine;

142

QQuickDefaultClipNode *clipNode;

QRgb color;

int selectionState;

};

QQuickTextNodeEngine()

148

: m_currentTextDirection(Qt::LeftToRight)

149

, m_hasSelection(false)

150

, m_hasContents(false)

151

{}

executed 250225 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

250225

152

153

bool hasContents() const { return m_hasContents; }

executed 562 times by 4 tests: return m_hasContents;

Executed by:

tst_examples
tst_qquickfocusscope
tst_qquickitem2
tst_qquicktextedit

562

154

void addTextBlock(QTextDocument *, const QTextBlock &, const QPointF &position, const QColor &textColor, const QColor& anchorColor, int selectionStart, int selectionEnd);

155

QTextLine currentLine() const { return m_currentLine; }

executed 954 times by 5 tests: return m_currentLine;

Executed by:

tst_examples
tst_qquickfocusscope
tst_qquickitem2
tst_qquicktext
tst_qquicktextedit

954

156

157

void setCurrentLine(const QTextLine &currentLine)

158

{

159

if (m_currentLine.isValid())

m_currentLine.isValid()

Description

TRUE

evaluated 2213 times by 7 tests

Evaluated by:

tst_examples
tst_flickableinterop
tst_qquickfocusscope
tst_qquickitem2
tst_qquicktext
tst_qquicktextedit
tst_scenegraph

FALSE

evaluated 249113 times by 24 tests

Evaluated by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

2213-249113

160

processCurrentLine();

executed 2213 times by 7 tests: processCurrentLine();

Executed by:

tst_examples
tst_flickableinterop
tst_qquickfocusscope
tst_qquickitem2
tst_qquicktext
tst_qquicktextedit
tst_scenegraph

2213

161

162

m_currentLine = currentLine;

163

}

executed 251326 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

251326

164

165

void setCurrentTextDirection(Qt::LayoutDirection textDirection)

166

{

167

m_currentTextDirection = textDirection;

168

}

executed 670 times by 5 tests: end of block

Executed by:

tst_examples
tst_qquickfocusscope
tst_qquickitem2
tst_qquicktext
tst_qquicktextedit

670

169

170

void addBorder(const QRectF &rect, qreal border, QTextFrameFormat::BorderStyle borderStyle,

171

const QBrush &borderBrush);

172

void addFrameDecorations(QTextDocument *document, QTextFrame *frame);

173

void addImage(const QRectF &rect, const QImage &image, qreal ascent,

174

SelectionState selectionState,

175

QTextFrameFormat::Position layoutPosition);

176

int addText(const QTextBlock &block,

177

const QTextCharFormat &charFormat,

178

const QColor &textColor,

179

const QVarLengthArray<QTextLayout::FormatRange> &colorChanges,

180

int textPos, int fragmentEnd,

181

int selectionStart, int selectionEnd);

182

void addTextObject(const QPointF &position, const QTextCharFormat &format,

183

SelectionState selectionState,

184

QTextDocument *textDocument, int pos,

185

QTextFrameFormat::Position layoutPosition = QTextFrameFormat::InFlow);

186

void addSelectedGlyphs(const QGlyphRun &glyphRun);

187

void addUnselectedGlyphs(const QGlyphRun &glyphRun);

188

void addGlyphsInRange(int rangeStart, int rangeEnd,

189

const QColor &color, const QColor &backgroundColor,

190

int selectionStart, int selectionEnd);

191

void addGlyphsForRanges(const QVarLengthArray<QTextLayout::FormatRange> &ranges,

192

int start, int end,

193

int selectionStart, int selectionEnd);

194

195

void mergeProcessedNodes(QList<BinaryTreeNode *> *regularNodes,

196

QList<BinaryTreeNode *> *imageNodes);

197

void addToSceneGraph(QQuickTextNode *parent,

198

QQuickText::TextStyle style = QQuickText::Normal,

199

const QColor &styleColor = QColor());

200

201

void setSelectionColor(const QColor &selectionColor)

202

{

203

m_selectionColor = selectionColor;

204

}

executed 249381 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

249381

205

206

void setSelectedTextColor(const QColor &selectedTextColor)

207

{

208

m_selectedTextColor = selectedTextColor;

209

}

executed 249381 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

249381

210

211

void setTextColor(const QColor &textColor)

212

{

213

m_textColor = textColor;

214

}

executed 250521 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

250521

215

216

void setAnchorColor(const QColor &anchorColor)

217

{

218

m_anchorColor = anchorColor;

219

}

executed 248527 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

248527

220

221

void setPosition(const QPointF &position)

222

{

223

m_position = position;

224

}

executed 249151 times by 24 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickgridview
tst_qquickitem
tst_qquickitem2
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickpincharea
tst_qquickpositioners
tst_qquickrepeater
tst_qquickspringanimation
tst_qquicktaphandler
tst_qquicktext
tst_qquicktextedit
tst_qquicktextinput
tst_scenegraph
tst_touchmouse

249151

private:

struct TextDecoration

231

{

232

TextDecoration() : selectionState(Unselected) {}

never executed: end of block

233

TextDecoration(const SelectionState &s,

const QRectF &r,

const QColor &c)

: selectionState(s)

, rect(r)

, color(c)

{

}

executed 40 times by 3 tests: end of block

Executed by:

tst_examples
tst_qquicktext
tst_qquicktextedit

241

242

SelectionState selectionState;

QRectF rect;

QColor color;

};

void processCurrentLine();

248

void addTextDecorations(const QVarLengthArray<TextDecoration> &textDecorations, qreal offset, qreal thickness);

249

void mergeFormats(QTextLayout *textLayout, QVarLengthArray<QTextLayout::FormatRange> *mergedFormats);

250

251

QColor m_selectionColor;

252

QColor m_textColor;

253

QColor m_backgroundColor;

254

QColor m_selectedTextColor;

255

QColor m_anchorColor;

256

QPointF m_position;

257

258

QTextLine m_currentLine;

259

Qt::LayoutDirection m_currentTextDirection;

260

261

QList<QPair<QRectF, QColor> > m_backgrounds;

262

QList<QRectF> m_selectionRects;

263

QVarLengthArray<BinaryTreeNode, 16> m_currentLineTree;

264

265

QList<TextDecoration> m_lines;

266

QVector<BinaryTreeNode> m_processedNodes;

267

268

bool m_hasSelection : 1;

269

bool m_hasContents : 1;

270

friend class QQuickTextNode;

};

QT_END_NAMESPACE

#endif // QQUICKTEXTNODEENGINE_P_H

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