From 6aaf7b3c93687b857ff7cac0f2ad2ee510b2813b Mon Sep 17 00:00:00 2001 From: Joona Petrell Date: Thu, 3 Mar 2011 14:43:42 +1000 Subject: Add a way to query the reading direction of QML editor text Task-number: QTBUG-17490 Reviewed-by: Martin Jones Change-Id: I3dd3854f820860d32e822605ed547150d5f17eb2 --- .../graphicsitems/qdeclarativetextedit.cpp | 17 +++++++ .../graphicsitems/qdeclarativetextedit_p.h | 1 + .../graphicsitems/qdeclarativetextinput.cpp | 17 +++++++ .../graphicsitems/qdeclarativetextinput_p.h | 1 + .../tst_qdeclarativetextedit.cpp | 59 ++++++++++++++++++++++ .../tst_qdeclarativetextinput.cpp | 59 ++++++++++++++++++++++ 6 files changed, 154 insertions(+) diff --git a/src/declarative/graphicsitems/qdeclarativetextedit.cpp b/src/declarative/graphicsitems/qdeclarativetextedit.cpp index 3c2684c..5e1459c 100644 --- a/src/declarative/graphicsitems/qdeclarativetextedit.cpp +++ b/src/declarative/graphicsitems/qdeclarativetextedit.cpp @@ -1235,6 +1235,23 @@ void QDeclarativeTextEdit::select(int start, int end) updateSelectionMarkers(); } +/*! + \qmlmethod void TextEdit::isRightToLeft(int start, int end) + + Returns true if the natural reading direction of the editor text + found between positions \a start and \a end is right to left. +*/ +bool QDeclarativeTextEdit::isRightToLeft(int start, int end) +{ + Q_D(QDeclarativeTextEdit); + if (start > end) { + qmlInfo(this) << "isRightToLeft(start, end) called with the end property being smaller than the start."; + return false; + } else { + return d->text.mid(start, end - start).isRightToLeft(); + } +} + #ifndef QT_NO_CLIPBOARD /*! \qmlmethod TextEdit::cut() diff --git a/src/declarative/graphicsitems/qdeclarativetextedit_p.h b/src/declarative/graphicsitems/qdeclarativetextedit_p.h index a8d9fe2..471b201 100644 --- a/src/declarative/graphicsitems/qdeclarativetextedit_p.h +++ b/src/declarative/graphicsitems/qdeclarativetextedit_p.h @@ -253,6 +253,7 @@ public Q_SLOTS: void selectWord(); void select(int start, int end); Q_REVISION(1) void deselect(); + Q_REVISION(1) bool isRightToLeft(int start, int end); #ifndef QT_NO_CLIPBOARD void cut(); void copy(); diff --git a/src/declarative/graphicsitems/qdeclarativetextinput.cpp b/src/declarative/graphicsitems/qdeclarativetextinput.cpp index cb7f739..09404ce 100644 --- a/src/declarative/graphicsitems/qdeclarativetextinput.cpp +++ b/src/declarative/graphicsitems/qdeclarativetextinput.cpp @@ -1370,6 +1370,23 @@ void QDeclarativeTextInput::selectAll() d->control->setSelection(0, d->control->text().length()); } +/*! + \qmlmethod void TextInput::isRightToLeft(int start, int end) + + Returns true if the natural reading direction of the editor text + found between positions \a start and \a end is right to left. +*/ +bool QDeclarativeTextInput::isRightToLeft(int start, int end) +{ + Q_D(QDeclarativeTextInput); + if (start > end) { + qmlInfo(this) << "isRightToLeft(start, end) called with the end property being smaller than the start."; + return false; + } else { + return d->control->text().mid(start, end - start).isRightToLeft(); + } +} + #ifndef QT_NO_CLIPBOARD /*! \qmlmethod TextInput::cut() diff --git a/src/declarative/graphicsitems/qdeclarativetextinput_p.h b/src/declarative/graphicsitems/qdeclarativetextinput_p.h index c057f1f..ce5f267 100644 --- a/src/declarative/graphicsitems/qdeclarativetextinput_p.h +++ b/src/declarative/graphicsitems/qdeclarativetextinput_p.h @@ -262,6 +262,7 @@ public Q_SLOTS: void selectWord(); void select(int start, int end); Q_REVISION(1) void deselect(); + Q_REVISION(1) bool isRightToLeft(int start, int end); #ifndef QT_NO_CLIPBOARD void cut(); void copy(); diff --git a/tests/auto/declarative/qdeclarativetextedit/tst_qdeclarativetextedit.cpp b/tests/auto/declarative/qdeclarativetextedit/tst_qdeclarativetextedit.cpp index c5e2a11..6d5750f 100644 --- a/tests/auto/declarative/qdeclarativetextedit/tst_qdeclarativetextedit.cpp +++ b/tests/auto/declarative/qdeclarativetextedit/tst_qdeclarativetextedit.cpp @@ -110,6 +110,8 @@ private slots: void persistentSelection(); void focusOnPress(); void selection(); + void isRightToLeft_data(); + void isRightToLeft(); void moveCursorSelection_data(); void moveCursorSelection(); void moveCursorSelectionSequence_data(); @@ -787,6 +789,63 @@ void tst_qdeclarativetextedit::selection() QVERIFY(textEditObject->selectedText().isNull()); } +void tst_qdeclarativetextedit::isRightToLeft_data() +{ + QTest::addColumn("text"); + QTest::addColumn("emptyString"); + QTest::addColumn("firstCharacter"); + QTest::addColumn("lastCharacter"); + QTest::addColumn("middleCharacter"); + QTest::addColumn("startString"); + QTest::addColumn("midString"); + QTest::addColumn("endString"); + + const quint16 arabic_str[] = { 0x0638, 0x0643, 0x00646, 0x0647, 0x0633, 0x0638, 0x0643, 0x00646, 0x0647, 0x0633, 0x0647}; + QTest::newRow("Empty") << "" << false << false << false << false << false << false << false; + QTest::newRow("Neutral") << "23244242" << false << false << false << false << false << false << false; + QTest::newRow("LTR") << "Hello world" << false << false << false << false << false << false << false; + QTest::newRow("RTL") << QString::fromUtf16(arabic_str, 11) << false << true << true << true << true << true << true; + QTest::newRow("Bidi RTL + LTR + RTL") << QString::fromUtf16(arabic_str, 11) + QString("Hello world") + QString::fromUtf16(arabic_str, 11) << false << true << true << false << true << true << true; + QTest::newRow("Bidi LTR + RTL + LTR") << QString("Hello world") + QString::fromUtf16(arabic_str, 11) + QString("Hello world") << false << false << false << true << false << false << false; +} + +void tst_qdeclarativetextedit::isRightToLeft() +{ + QFETCH(QString, text); + QFETCH(bool, emptyString); + QFETCH(bool, firstCharacter); + QFETCH(bool, lastCharacter); + QFETCH(bool, middleCharacter); + QFETCH(bool, startString); + QFETCH(bool, midString); + QFETCH(bool, endString); + + QDeclarativeTextEdit textEdit; + textEdit.setText(text); + + // first test that the right string is delivered to the QString::isRightToLeft() + QCOMPARE(textEdit.isRightToLeft(0,0), text.mid(0,0).isRightToLeft()); + QCOMPARE(textEdit.isRightToLeft(0,1), text.mid(0,1).isRightToLeft()); + QCOMPARE(textEdit.isRightToLeft(text.count()-2, text.count()-1), text.mid(text.count()-2, text.count()-1).isRightToLeft()); + QCOMPARE(textEdit.isRightToLeft(text.count()/2, text.count()/2 + 1), text.mid(text.count()/2, text.count()/2 + 1).isRightToLeft()); + QCOMPARE(textEdit.isRightToLeft(0,text.count()/4), text.mid(0,text.count()/4).isRightToLeft()); + QCOMPARE(textEdit.isRightToLeft(text.count()/4,3*text.count()/4), text.mid(text.count()/4,3*text.count()/4).isRightToLeft()); + if (text.isEmpty()) + QTest::ignoreMessage(QtWarningMsg, ": QML TextEdit: isRightToLeft(start, end) called with the end property being smaller than the start."); + QCOMPARE(textEdit.isRightToLeft(3*text.count()/4,text.count()-1), text.mid(3*text.count()/4,text.count()-1).isRightToLeft()); + + // then test that the feature actually works + QCOMPARE(textEdit.isRightToLeft(0,0), emptyString); + QCOMPARE(textEdit.isRightToLeft(0,1), firstCharacter); + QCOMPARE(textEdit.isRightToLeft(text.count()-2, text.count()-1), lastCharacter); + QCOMPARE(textEdit.isRightToLeft(text.count()/2, text.count()/2 + 1), middleCharacter); + QCOMPARE(textEdit.isRightToLeft(0,text.count()/4), startString); + QCOMPARE(textEdit.isRightToLeft(text.count()/4,3*text.count()/4), midString); + if (text.isEmpty()) + QTest::ignoreMessage(QtWarningMsg, ": QML TextEdit: isRightToLeft(start, end) called with the end property being smaller than the start."); + QCOMPARE(textEdit.isRightToLeft(3*text.count()/4,text.count()-1), endString); +} + void tst_qdeclarativetextedit::moveCursorSelection_data() { QTest::addColumn("testStr"); diff --git a/tests/auto/declarative/qdeclarativetextinput/tst_qdeclarativetextinput.cpp b/tests/auto/declarative/qdeclarativetextinput/tst_qdeclarativetextinput.cpp index 65be327..585479c 100644 --- a/tests/auto/declarative/qdeclarativetextinput/tst_qdeclarativetextinput.cpp +++ b/tests/auto/declarative/qdeclarativetextinput/tst_qdeclarativetextinput.cpp @@ -89,6 +89,8 @@ private slots: void font(); void color(); void selection(); + void isRightToLeft_data(); + void isRightToLeft(); void moveCursorSelection_data(); void moveCursorSelection(); void moveCursorSelectionSequence_data(); @@ -435,6 +437,63 @@ void tst_qdeclarativetextinput::selection() delete textinputObject; } +void tst_qdeclarativetextinput::isRightToLeft_data() +{ + QTest::addColumn("text"); + QTest::addColumn("emptyString"); + QTest::addColumn("firstCharacter"); + QTest::addColumn("lastCharacter"); + QTest::addColumn("middleCharacter"); + QTest::addColumn("startString"); + QTest::addColumn("midString"); + QTest::addColumn("endString"); + + const quint16 arabic_str[] = { 0x0638, 0x0643, 0x00646, 0x0647, 0x0633, 0x0638, 0x0643, 0x00646, 0x0647, 0x0633, 0x0647}; + QTest::newRow("Empty") << "" << false << false << false << false << false << false << false; + QTest::newRow("Neutral") << "23244242" << false << false << false << false << false << false << false; + QTest::newRow("LTR") << "Hello world" << false << false << false << false << false << false << false; + QTest::newRow("RTL") << QString::fromUtf16(arabic_str, 11) << false << true << true << true << true << true << true; + QTest::newRow("Bidi RTL + LTR + RTL") << QString::fromUtf16(arabic_str, 11) + QString("Hello world") + QString::fromUtf16(arabic_str, 11) << false << true << true << false << true << true << true; + QTest::newRow("Bidi LTR + RTL + LTR") << QString("Hello world") + QString::fromUtf16(arabic_str, 11) + QString("Hello world") << false << false << false << true << false << false << false; +} + +void tst_qdeclarativetextinput::isRightToLeft() +{ + QFETCH(QString, text); + QFETCH(bool, emptyString); + QFETCH(bool, firstCharacter); + QFETCH(bool, lastCharacter); + QFETCH(bool, middleCharacter); + QFETCH(bool, startString); + QFETCH(bool, midString); + QFETCH(bool, endString); + + QDeclarativeTextInput textInput; + textInput.setText(text); + + // first test that the right string is delivered to the QString::isRightToLeft() + QCOMPARE(textInput.isRightToLeft(0,0), text.mid(0,0).isRightToLeft()); + QCOMPARE(textInput.isRightToLeft(0,1), text.mid(0,1).isRightToLeft()); + QCOMPARE(textInput.isRightToLeft(text.count()-2, text.count()-1), text.mid(text.count()-2, text.count()-1).isRightToLeft()); + QCOMPARE(textInput.isRightToLeft(text.count()/2, text.count()/2 + 1), text.mid(text.count()/2, text.count()/2 + 1).isRightToLeft()); + QCOMPARE(textInput.isRightToLeft(0,text.count()/4), text.mid(0,text.count()/4).isRightToLeft()); + QCOMPARE(textInput.isRightToLeft(text.count()/4,3*text.count()/4), text.mid(text.count()/4,3*text.count()/4).isRightToLeft()); + if (text.isEmpty()) + QTest::ignoreMessage(QtWarningMsg, ": QML TextInput: isRightToLeft(start, end) called with the end property being smaller than the start."); + QCOMPARE(textInput.isRightToLeft(3*text.count()/4,text.count()-1), text.mid(3*text.count()/4,text.count()-1).isRightToLeft()); + + // then test that the feature actually works + QCOMPARE(textInput.isRightToLeft(0,0), emptyString); + QCOMPARE(textInput.isRightToLeft(0,1), firstCharacter); + QCOMPARE(textInput.isRightToLeft(text.count()-2, text.count()-1), lastCharacter); + QCOMPARE(textInput.isRightToLeft(text.count()/2, text.count()/2 + 1), middleCharacter); + QCOMPARE(textInput.isRightToLeft(0,text.count()/4), startString); + QCOMPARE(textInput.isRightToLeft(text.count()/4,3*text.count()/4), midString); + if (text.isEmpty()) + QTest::ignoreMessage(QtWarningMsg, ": QML TextInput: isRightToLeft(start, end) called with the end property being smaller than the start."); + QCOMPARE(textInput.isRightToLeft(3*text.count()/4,text.count()-1), endString); +} + void tst_qdeclarativetextinput::moveCursorSelection_data() { QTest::addColumn("testStr"); -- cgit v0.12