From f1a6766432f66220275aa7902e4c2414a3069cd1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Mill=C3=A1n=20Soto?= Date: Mon, 6 Jun 2011 15:06:42 +0200 Subject: Implemented QAccessibleTextEdit::attributes() Handling font properties and colors Created test: tst_QAccessibility::textAttributes Merge-request: 2626 Reviewed-by: Harald Fernengel --- .../accessible/widgets/qaccessiblewidgets.cpp | 111 ++++++++++++++++++++- tests/auto/qaccessibility/tst_qaccessibility.cpp | 55 ++++++++++ 2 files changed, 161 insertions(+), 5 deletions(-) diff --git a/src/plugins/accessible/widgets/qaccessiblewidgets.cpp b/src/plugins/accessible/widgets/qaccessiblewidgets.cpp index ea5880c..d7cb5a0 100644 --- a/src/plugins/accessible/widgets/qaccessiblewidgets.cpp +++ b/src/plugins/accessible/widgets/qaccessiblewidgets.cpp @@ -1316,11 +1316,112 @@ void QAccessibleTextEdit::addSelection(int startOffset, int endOffset) QString QAccessibleTextEdit::attributes(int offset, int *startOffset, int *endOffset) { - // TODO - wait for a definition of attributes - Q_UNUSED(offset); - Q_UNUSED(startOffset); - Q_UNUSED(endOffset); - return QString(); + /* The list of attributes can be found at: + http://linuxfoundation.org/collaborate/workgroups/accessibility/iaccessible2/textattributes + */ + + if (offset >= characterCount()) { + *startOffset = -1; + *endOffset = -1; + return QString(); + } + + QMap attrs; + + QTextCursor cursor = textEdit()->textCursor(); + + //cursor.charFormat returns the format of the previous character + cursor.setPosition(offset + 1); + QTextCharFormat charFormat = cursor.charFormat(); + + cursor.setPosition(offset); + QTextBlockFormat blockFormat = cursor.blockFormat(); + + QTextCharFormat charFormatComp; + QTextBlockFormat blockFormatComp; + + *startOffset = offset; + cursor.setPosition(*startOffset); + while (*startOffset > 0) { + charFormatComp = cursor.charFormat(); + cursor.setPosition(*startOffset - 1); + blockFormatComp = cursor.blockFormat(); + if ((charFormat == charFormatComp) && (blockFormat == blockFormatComp)) + (*startOffset)--; + else + break; + } + + int limit = characterCount() + 1; + *endOffset = offset + 1; + cursor.setPosition(*endOffset); + while (*endOffset < limit) { + blockFormatComp = cursor.blockFormat(); + cursor.setPosition(*endOffset + 1); + charFormatComp = cursor.charFormat(); + if ((charFormat == charFormatComp) && (cursor.blockFormat() == blockFormatComp)) + (*endOffset)++; + else + break; + } + + QString family = charFormat.fontFamily(); + if (!family.isEmpty()) { + family = family.replace('\\',"\\\\"); + family = family.replace(':',"\\:"); + family = family.replace(',',"\\,"); + family = family.replace('=',"\\="); + family = family.replace(';',"\\;"); + family = family.replace('\"',"\\\""); + attrs["font-family"] = '"'+family+'"'; + } + + int fontSize = int(charFormat.fontPointSize()); + if (fontSize) + attrs["font-size"] = QString::number(fontSize).append("pt"); + + //Different weight values are not handled + attrs["font-weight"] = (charFormat.fontWeight() > QFont::Normal) ? "bold" : "normal"; + + QFont::Style style = charFormat.font().style(); + attrs["font-style"] = (style == QFont::StyleItalic) ? "italic" : ((style == QFont::StyleOblique) ? "oblique": "normal"); + + attrs["text-underline-style"] = charFormat.font().underline() ? "solid" : "none"; + + QTextCharFormat::VerticalAlignment alignment = charFormat.verticalAlignment(); + attrs["text-position"] = (alignment == QTextCharFormat::AlignSubScript) ? "sub" : ((alignment == QTextCharFormat::AlignSuperScript) ? "super" : "baseline" ); + + QBrush background = charFormat.background(); + if (background.style() == Qt::SolidPattern) { + attrs["background-color"] = QString("rgb(%1,%2,%3)").arg(background.color().red()).arg(background.color().green()).arg(background.color().blue()); + } + + QBrush foreground = charFormat.foreground(); + if (foreground.style() == Qt::SolidPattern) { + attrs["color"] = QString("rgb(%1,%2,%3)").arg(foreground.color().red()).arg(foreground.color().green()).arg(foreground.color().blue()); + } + + switch (blockFormat.alignment() & (Qt::AlignLeft | Qt::AlignRight | Qt::AlignHCenter | Qt::AlignJustify)) { + case Qt::AlignLeft: + attrs["text-align"] = "left"; + break; + case Qt::AlignRight: + attrs["text-align"] = "right"; + break; + case Qt::AlignHCenter: + attrs["text-align"] = "center"; + break; + case Qt::AlignJustify: + attrs["text-align"] = "left"; + break; + } + + QString result; + foreach(const QString &attributeName, attrs.keys()) { + result.append(attributeName).append(':').append(attrs[attributeName]).append(';'); + } + + return result; } int QAccessibleTextEdit::cursorPosition() diff --git a/tests/auto/qaccessibility/tst_qaccessibility.cpp b/tests/auto/qaccessibility/tst_qaccessibility.cpp index 28d903a..109afbc 100644 --- a/tests/auto/qaccessibility/tst_qaccessibility.cpp +++ b/tests/auto/qaccessibility/tst_qaccessibility.cpp @@ -238,6 +238,7 @@ private slots: void navigateControllers(); void navigateLabels(); void text(); + void textAttributes(); void setText(); void hideShowTest(); @@ -1563,6 +1564,60 @@ void tst_QAccessibility::text() #endif // !QT3_SUPPORT } +void tst_QAccessibility::textAttributes() +{ + QTextEdit textEdit; + int startOffset; + int endOffset; + QString attributes; + QString text("" + "Hello, this is an example text." + "Multiple fonts are used." + "Multiple text sizes are used." + "Let's give some color to Qt." + ""); + + textEdit.setText(text); + QAccessibleInterface *interface = QAccessible::queryAccessibleInterface(&textEdit); + + QAccessibleTextInterface *textInterface=interface->textInterface(); + + QVERIFY(textInterface); + QCOMPARE(textInterface->characterCount(), 112); + + attributes = textInterface->attributes(10, &startOffset, &endOffset); + QCOMPARE(startOffset, 7); + QCOMPARE(endOffset, 11); + attributes.prepend(';'); + QVERIFY(attributes.contains(QLatin1String(";font-weight:bold;"))); + + attributes = textInterface->attributes(18, &startOffset, &endOffset); + QCOMPARE(startOffset, 18); + QCOMPARE(endOffset, 25); + attributes.prepend(';'); + QVERIFY(attributes.contains(QLatin1String(";font-weight:bold;"))); + QVERIFY(attributes.contains(QLatin1String(";font-style:italic;"))); + + attributes = textInterface->attributes(34, &startOffset, &endOffset); + QCOMPARE(startOffset, 31); + QCOMPARE(endOffset, 55); + attributes.prepend(';'); + QVERIFY(attributes.contains(QLatin1String(";font-family:\"monospace\";"))); + + attributes = textInterface->attributes(65, &startOffset, &endOffset); + QCOMPARE(startOffset, 64); + QCOMPARE(endOffset, 74); + attributes.prepend(';'); + QVERIFY(attributes.contains(QLatin1String(";font-size:8pt;"))); + + attributes = textInterface->attributes(110, &startOffset, &endOffset); + QCOMPARE(startOffset, 109); + QCOMPARE(endOffset, 111); + attributes.prepend(';'); + QVERIFY(attributes.contains(QLatin1String(";background-color:rgb(20,240,30);"))); + QVERIFY(attributes.contains(QLatin1String(";color:rgb(240,241,242);"))); +} + void tst_QAccessibility::setText() { #if !defined(QT3_SUPPORT) -- cgit v0.12