1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QQUICKTEXT_P_H
5#define QQUICKTEXT_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include "qquickimplicitsizeitem_p.h"
19#include "qquicktextinterface_p.h"
20#include <private/qtquickglobal_p.h>
21#include <QtGui/qtextoption.h>
22
23QT_BEGIN_NAMESPACE
24
25class QQuickTextPrivate;
26class QQuickTextLine;
27class Q_QUICK_EXPORT QQuickText : public QQuickImplicitSizeItem, public QQuickTextInterface
28{
29 Q_OBJECT
30 Q_INTERFACES(QQuickTextInterface)
31
32 Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
33 Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)
34 Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
35 Q_PROPERTY(QColor linkColor READ linkColor WRITE setLinkColor NOTIFY linkColorChanged)
36 Q_PROPERTY(TextStyle style READ style WRITE setStyle NOTIFY styleChanged)
37 Q_PROPERTY(QColor styleColor READ styleColor WRITE setStyleColor NOTIFY styleColorChanged)
38 Q_PROPERTY(HAlignment horizontalAlignment READ hAlign WRITE setHAlign RESET resetHAlign NOTIFY horizontalAlignmentChanged)
39 Q_PROPERTY(HAlignment effectiveHorizontalAlignment READ effectiveHAlign NOTIFY effectiveHorizontalAlignmentChanged)
40 Q_PROPERTY(VAlignment verticalAlignment READ vAlign WRITE setVAlign NOTIFY verticalAlignmentChanged)
41 Q_PROPERTY(WrapMode wrapMode READ wrapMode WRITE setWrapMode NOTIFY wrapModeChanged)
42 Q_PROPERTY(int lineCount READ lineCount NOTIFY lineCountChanged)
43 Q_PROPERTY(bool truncated READ truncated NOTIFY truncatedChanged)
44 Q_PROPERTY(int maximumLineCount READ maximumLineCount WRITE setMaximumLineCount NOTIFY maximumLineCountChanged RESET resetMaximumLineCount)
45
46 Q_PROPERTY(TextFormat textFormat READ textFormat WRITE setTextFormat NOTIFY textFormatChanged)
47 Q_PROPERTY(TextElideMode elide READ elideMode WRITE setElideMode NOTIFY elideModeChanged) //### elideMode?
48 Q_PROPERTY(qreal contentWidth READ contentWidth NOTIFY contentWidthChanged)
49 Q_PROPERTY(qreal contentHeight READ contentHeight NOTIFY contentHeightChanged)
50 Q_PROPERTY(qreal paintedWidth READ contentWidth NOTIFY contentWidthChanged) // Compatibility
51 Q_PROPERTY(qreal paintedHeight READ contentHeight NOTIFY contentHeightChanged)
52 Q_PROPERTY(qreal lineHeight READ lineHeight WRITE setLineHeight NOTIFY lineHeightChanged)
53 Q_PROPERTY(LineHeightMode lineHeightMode READ lineHeightMode WRITE setLineHeightMode NOTIFY lineHeightModeChanged)
54 Q_PROPERTY(QUrl baseUrl READ baseUrl WRITE setBaseUrl RESET resetBaseUrl NOTIFY baseUrlChanged)
55 Q_PROPERTY(int minimumPixelSize READ minimumPixelSize WRITE setMinimumPixelSize NOTIFY minimumPixelSizeChanged)
56 Q_PROPERTY(int minimumPointSize READ minimumPointSize WRITE setMinimumPointSize NOTIFY minimumPointSizeChanged)
57 Q_PROPERTY(FontSizeMode fontSizeMode READ fontSizeMode WRITE setFontSizeMode NOTIFY fontSizeModeChanged)
58 Q_PROPERTY(RenderType renderType READ renderType WRITE setRenderType NOTIFY renderTypeChanged)
59 Q_PROPERTY(QString hoveredLink READ hoveredLink NOTIFY linkHovered REVISION(2, 2))
60 Q_PROPERTY(int renderTypeQuality READ renderTypeQuality WRITE setRenderTypeQuality NOTIFY renderTypeQualityChanged REVISION(6, 0))
61
62 Q_PROPERTY(qreal padding READ padding WRITE setPadding RESET resetPadding NOTIFY paddingChanged REVISION(2, 6))
63 Q_PROPERTY(qreal topPadding READ topPadding WRITE setTopPadding RESET resetTopPadding NOTIFY topPaddingChanged REVISION(2, 6))
64 Q_PROPERTY(qreal leftPadding READ leftPadding WRITE setLeftPadding RESET resetLeftPadding NOTIFY leftPaddingChanged REVISION(2, 6))
65 Q_PROPERTY(qreal rightPadding READ rightPadding WRITE setRightPadding RESET resetRightPadding NOTIFY rightPaddingChanged REVISION(2, 6))
66 Q_PROPERTY(qreal bottomPadding READ bottomPadding WRITE setBottomPadding RESET resetBottomPadding NOTIFY bottomPaddingChanged REVISION(2, 6))
67
68 Q_PROPERTY(QJSValue fontInfo READ fontInfo NOTIFY fontInfoChanged REVISION(2, 9))
69 Q_PROPERTY(QSizeF advance READ advance NOTIFY contentSizeChanged REVISION(2, 10))
70 QML_NAMED_ELEMENT(Text)
71 QML_ADDED_IN_VERSION(2, 0)
72
73public:
74 QQuickText(QQuickItem *parent=nullptr);
75 ~QQuickText() override;
76
77 enum HAlignment { AlignLeft = Qt::AlignLeft,
78 AlignRight = Qt::AlignRight,
79 AlignHCenter = Qt::AlignHCenter,
80 AlignJustify = Qt::AlignJustify };
81 Q_ENUM(HAlignment)
82 enum VAlignment { AlignTop = Qt::AlignTop,
83 AlignBottom = Qt::AlignBottom,
84 AlignVCenter = Qt::AlignVCenter };
85 Q_ENUM(VAlignment)
86 enum TextStyle { Normal,
87 Outline,
88 Raised,
89 Sunken };
90 Q_ENUM(TextStyle)
91 enum TextFormat { PlainText = Qt::PlainText,
92 RichText = Qt::RichText,
93 MarkdownText = Qt::MarkdownText,
94 AutoText = Qt::AutoText,
95 StyledText = 4 };
96 Q_ENUM(TextFormat)
97 enum TextElideMode { ElideLeft = Qt::ElideLeft,
98 ElideRight = Qt::ElideRight,
99 ElideMiddle = Qt::ElideMiddle,
100 ElideNone = Qt::ElideNone };
101 Q_ENUM(TextElideMode)
102
103 enum WrapMode { NoWrap = QTextOption::NoWrap,
104 WordWrap = QTextOption::WordWrap,
105 WrapAnywhere = QTextOption::WrapAnywhere,
106 WrapAtWordBoundaryOrAnywhere = QTextOption::WrapAtWordBoundaryOrAnywhere, // COMPAT
107 Wrap = QTextOption::WrapAtWordBoundaryOrAnywhere
108 };
109 Q_ENUM(WrapMode)
110
111 enum RenderType { QtRendering,
112 NativeRendering,
113 CurveRendering
114 };
115 Q_ENUM(RenderType)
116
117 enum RenderTypeQuality { DefaultRenderTypeQuality = -1,
118 LowRenderTypeQuality = 26,
119 NormalRenderTypeQuality = 52,
120 HighRenderTypeQuality = 104,
121 VeryHighRenderTypeQuality = 208
122 };
123 Q_ENUM(RenderTypeQuality)
124
125 enum LineHeightMode { ProportionalHeight, FixedHeight };
126 Q_ENUM(LineHeightMode)
127
128 enum FontSizeMode { FixedSize = 0x0, HorizontalFit = 0x01, VerticalFit = 0x02,
129 Fit = HorizontalFit | VerticalFit };
130 Q_ENUM(FontSizeMode)
131
132 QString text() const;
133 void setText(const QString &);
134
135 QFont font() const;
136 void setFont(const QFont &font);
137
138 QColor color() const;
139 void setColor(const QColor &c);
140
141 QColor linkColor() const;
142 void setLinkColor(const QColor &color);
143
144 TextStyle style() const;
145 void setStyle(TextStyle style);
146
147 QColor styleColor() const;
148 void setStyleColor(const QColor &c);
149
150 HAlignment hAlign() const;
151 void setHAlign(HAlignment align);
152 void resetHAlign();
153 HAlignment effectiveHAlign() const;
154
155 VAlignment vAlign() const;
156 void setVAlign(VAlignment align);
157
158 WrapMode wrapMode() const;
159 void setWrapMode(WrapMode w);
160
161 int lineCount() const;
162 bool truncated() const;
163
164 int maximumLineCount() const;
165 void setMaximumLineCount(int lines);
166 void resetMaximumLineCount();
167
168 TextFormat textFormat() const;
169 void setTextFormat(TextFormat format);
170
171 TextElideMode elideMode() const;
172 void setElideMode(TextElideMode);
173
174 qreal lineHeight() const;
175 void setLineHeight(qreal lineHeight);
176
177 LineHeightMode lineHeightMode() const;
178 void setLineHeightMode(LineHeightMode);
179
180
181 QUrl baseUrl() const;
182 void setBaseUrl(const QUrl &url);
183 void resetBaseUrl();
184
185 int minimumPixelSize() const;
186 void setMinimumPixelSize(int size);
187
188 int minimumPointSize() const;
189 void setMinimumPointSize(int size);
190
191 FontSizeMode fontSizeMode() const;
192 void setFontSizeMode(FontSizeMode mode);
193
194 void componentComplete() override;
195
196 int resourcesLoading() const; // mainly for testing
197
198 qreal contentWidth() const;
199 qreal contentHeight() const;
200
201 QRectF boundingRect() const override;
202 QRectF clipRect() const override;
203#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
204#if QT_DEPRECATED_SINCE(5, 15)
205 QT_DEPRECATED_X("Use forceLayout() instead")
206 Q_INVOKABLE void doLayout();
207#endif
208#endif
209 Q_REVISION(2, 9) Q_INVOKABLE void forceLayout();
210
211 RenderType renderType() const;
212 void setRenderType(RenderType renderType);
213
214 int renderTypeQuality() const;
215 void setRenderTypeQuality(int renderTypeQuality);
216
217 QString hoveredLink() const;
218
219 Q_REVISION(2, 3) Q_INVOKABLE QString linkAt(qreal x, qreal y) const;
220
221 qreal padding() const;
222 void setPadding(qreal padding);
223 void resetPadding();
224
225 qreal topPadding() const;
226 void setTopPadding(qreal padding);
227 void resetTopPadding();
228
229 qreal leftPadding() const;
230 void setLeftPadding(qreal padding);
231 void resetLeftPadding();
232
233 qreal rightPadding() const;
234 void setRightPadding(qreal padding);
235 void resetRightPadding();
236
237 qreal bottomPadding() const;
238 void setBottomPadding(qreal padding);
239 void resetBottomPadding();
240
241 QJSValue fontInfo() const;
242 QSizeF advance() const;
243
244 void invalidate() override;
245
246Q_SIGNALS:
247 void textChanged(const QString &text);
248 void linkActivated(const QString &link);
249 Q_REVISION(2, 2) void linkHovered(const QString &link);
250 void fontChanged(const QFont &font);
251 void colorChanged();
252 void linkColorChanged();
253 void styleChanged(QQuickText::TextStyle style);
254 void styleColorChanged();
255 void horizontalAlignmentChanged(QQuickText::HAlignment alignment);
256 void verticalAlignmentChanged(QQuickText::VAlignment alignment);
257 void wrapModeChanged();
258 void lineCountChanged();
259 void truncatedChanged();
260 void maximumLineCountChanged();
261 void textFormatChanged(QQuickText::TextFormat textFormat);
262 void elideModeChanged(QQuickText::TextElideMode mode);
263 void contentSizeChanged();
264 // The next two signals should be marked as Q_REVISION(2, 12). See QTBUG-71247
265 void contentWidthChanged(qreal contentWidth);
266 void contentHeightChanged(qreal contentHeight);
267
268 void lineHeightChanged(qreal lineHeight);
269 void lineHeightModeChanged(LineHeightMode mode);
270 void fontSizeModeChanged();
271 void minimumPixelSizeChanged();
272 void minimumPointSizeChanged();
273 void effectiveHorizontalAlignmentChanged();
274 void lineLaidOut(QQuickTextLine *line);
275 void baseUrlChanged();
276 void renderTypeChanged();
277 Q_REVISION(2, 6) void paddingChanged();
278 Q_REVISION(2, 6) void topPaddingChanged();
279 Q_REVISION(2, 6) void leftPaddingChanged();
280 Q_REVISION(2, 6) void rightPaddingChanged();
281 Q_REVISION(2, 6) void bottomPaddingChanged();
282 Q_REVISION(2, 9) void fontInfoChanged();
283 Q_REVISION(6, 0) void renderTypeQualityChanged();
284
285protected:
286 QQuickText(QQuickTextPrivate &dd, QQuickItem *parent = nullptr);
287
288 void mousePressEvent(QMouseEvent *event) override;
289 void mouseReleaseEvent(QMouseEvent *event) override;
290 void itemChange(ItemChange change, const ItemChangeData &value) override;
291 void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
292 QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
293
294 void updatePolish() override;
295
296 void hoverEnterEvent(QHoverEvent *event) override;
297 void hoverMoveEvent(QHoverEvent *event) override;
298 void hoverLeaveEvent(QHoverEvent *event) override;
299 void invalidateFontCaches();
300
301private Q_SLOTS:
302 void q_updateLayout();
303 void triggerPreprocess();
304 Q_REVISION(6, 7) QVariant loadResource(int type, const QUrl &source);
305 void resourceRequestFinished();
306 void imageDownloadFinished();
307
308private:
309 Q_DISABLE_COPY(QQuickText)
310 Q_DECLARE_PRIVATE(QQuickText)
311};
312
313Q_DECLARE_MIXED_ENUM_OPERATORS_SYMMETRIC(int, QQuickText::HAlignment, QQuickText::VAlignment)
314
315class QTextLine;
316class Q_QUICK_EXPORT QQuickTextLine : public QObject
317{
318 Q_OBJECT
319 Q_PROPERTY(int number READ number FINAL)
320 Q_PROPERTY(qreal width READ width WRITE setWidth FINAL)
321 Q_PROPERTY(qreal height READ height WRITE setHeight FINAL)
322 Q_PROPERTY(qreal x READ x WRITE setX FINAL)
323 Q_PROPERTY(qreal y READ y WRITE setY FINAL)
324 Q_PROPERTY(qreal implicitWidth READ implicitWidth REVISION(2, 15) FINAL)
325 Q_PROPERTY(bool isLast READ isLast REVISION(2, 15) FINAL)
326 QML_ANONYMOUS
327 QML_ADDED_IN_VERSION(2, 0)
328
329public:
330 QQuickTextLine();
331
332 void setLine(QTextLine* line);
333 void setLineOffset(int offset);
334 void setFullLayoutTextLength(int length);
335 int number() const;
336 qreal implicitWidth() const;
337 bool isLast() const;
338
339 qreal width() const;
340 void setWidth(qreal width);
341
342 qreal height() const;
343 void setHeight(qreal height);
344
345 qreal x() const;
346 void setX(qreal x);
347
348 qreal y() const;
349 void setY(qreal y);
350
351private:
352 QTextLine *m_line;
353 qreal m_height;
354 int m_lineOffset;
355 int m_fullLayoutTextLength;
356};
357
358QT_END_NAMESPACE
359
360#endif // QQUICKTEXT_P_H
361

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source code of qtdeclarative/src/quick/items/qquicktext_p.h