Add a persistentSelection property to TextInput.

Improves feature parity with TextEdit.

Task-number: QTBUG-16355
Change-Id: I3919c71454a4f4574a1ee35ad38969459beb8363
Reviewed-by: Martin Jones <martin.jones@nokia.com>

src/quick/items/qquicktextcontrol.cpp

@@ -1547,6 +1547,7 @@ void QQuickTextControlPrivate::focusEvent(QFocusEvent *e)
 {
     Q_Q(QQuickTextControl);
     emit q->updateRequest(q->selectionRect());
+    hasFocus = e->gotFocus();
     if (e->gotFocus()) {
         setBlinkingCursorEnabled(interactionFlags & (Qt::TextEditable | Qt::TextSelectableByKeyboard));
     } else {
@@ -1558,9 +1559,9 @@ void QQuickTextControlPrivate::focusEvent(QFocusEvent *e)
             && e->reason() != Qt::PopupFocusReason
             && cursor.hasSelection()) {
             cursor.clearSelection();
+            emit q->selectionChanged();
         }
     }
-    hasFocus = e->gotFocus();
 }
 
 QString QQuickTextControlPrivate::anchorForCursor(const QTextCursor &anchorCursor) const

src/quick/items/qquicktextedit.cpp

@@ -1806,6 +1806,7 @@ void QQuickTextEditPrivate::init()
     control->setView(q);
     control->setTextInteractionFlags(Qt::LinksAccessibleByMouse | Qt::TextSelectableByKeyboard | Qt::TextEditable);
     control->setAcceptRichText(false);
+    control->setCursorIsFocusIndicator(true);
 
     // QQuickTextControl follows the default text color
     // defined by the platform, declarative text

src/quick/items/qquicktextedit_p_p.h

@@ -72,7 +72,7 @@ class QQuickTextEditPrivate : public QQuickImplicitSizeItemPrivate
     QQuickTextEditPrivate()
       : color("black"), hAlign(QQuickTextEdit::AlignLeft), vAlign(QQuickTextEdit::AlignTop),
       documentDirty(true), dirty(false), richText(false), cursorVisible(false), focusOnPress(true),
-      persistentSelection(true), requireImplicitWidth(false), selectByMouse(false), canPaste(false),
+      persistentSelection(false), requireImplicitWidth(false), selectByMouse(false), canPaste(false),
       canPasteValid(false), hAlignImplicit(true), rightToLeftText(false), useImageFallback(false),
       textCached(false),
       textMargin(0.0), lastSelectionStart(0), lastSelectionEnd(0), cursorComponent(0), cursor(0),

src/quick/items/qquicktextinput.cpp

@@ -2184,6 +2184,28 @@ void QQuickTextInput::setMouseSelectionMode(SelectionMode mode)
     }
 }
 
+/*!
+    \qmlproperty bool QtQuick2::TextInput::persistentSelection
+
+    Whether the TextInput should keep its selection when it loses active focus to another
+    item in the scene. By default this is set to false;
+*/
+
+bool QQuickTextInput::persistentSelection() const
+{
+    Q_D(const QQuickTextInput);
+    return d->persistentSelection;
+}
+
+void QQuickTextInput::setPersistentSelection(bool on)
+{
+    Q_D(QQuickTextInput);
+    if (d->persistentSelection == on)
+        return;
+    d->persistentSelection = on;
+    emit persistentSelectionChanged();
+}
+
 /*!
     \qmlproperty bool QtQuick2::TextInput::canPaste
 
@@ -2438,7 +2460,8 @@ void QQuickTextInput::itemChange(ItemChange change, const ItemChangeData &value)
 
         if (!hasFocus) {
             d->commitPreedit();
-            d->deselect();
+            if (!d->persistentSelection)
+                d->deselect();
             disconnect(qApp->inputPanel(), SIGNAL(inputDirectionChanged(Qt::LayoutDirection)),
                        this, SLOT(q_updateAlignment()));
         } else {

src/quick/items/qquicktextinput_p.h

@@ -98,6 +98,7 @@ class Q_AUTOTEST_EXPORT QQuickTextInput : public QQuickImplicitSizeItem
     Q_PROPERTY(bool autoScroll READ autoScroll WRITE setAutoScroll NOTIFY autoScrollChanged)
     Q_PROPERTY(bool selectByMouse READ selectByMouse WRITE setSelectByMouse NOTIFY selectByMouseChanged)
     Q_PROPERTY(SelectionMode mouseSelectionMode READ mouseSelectionMode WRITE setMouseSelectionMode NOTIFY mouseSelectionModeChanged)
+    Q_PROPERTY(bool persistentSelection READ persistentSelection WRITE setPersistentSelection NOTIFY persistentSelectionChanged)
     Q_PROPERTY(bool canPaste READ canPaste NOTIFY canPasteChanged)
     Q_PROPERTY(bool canUndo READ canUndo NOTIFY canUndoChanged)
     Q_PROPERTY(bool canRedo READ canRedo NOTIFY canRedoChanged)
@@ -233,6 +234,9 @@ class Q_AUTOTEST_EXPORT QQuickTextInput : public QQuickImplicitSizeItem
     SelectionMode mouseSelectionMode() const;
     void setMouseSelectionMode(SelectionMode mode);
 
+    bool persistentSelection() const;
+    void setPersistentSelection(bool persist);
+
     bool hasAcceptableInput() const;
 
     QVariant inputMethodQuery(Qt::InputMethodQuery property) const;
@@ -279,6 +283,7 @@ class Q_AUTOTEST_EXPORT QQuickTextInput : public QQuickImplicitSizeItem
     void autoScrollChanged(bool autoScroll);
     void selectByMouseChanged(bool selectByMouse);
     void mouseSelectionModeChanged(SelectionMode mode);
+    void persistentSelectionChanged();
     void canPasteChanged();
     void canUndoChanged();
     void canRedoChanged();

src/quick/items/qquicktextinput_p_p.h

@@ -117,6 +117,7 @@ class Q_AUTOTEST_EXPORT QQuickTextInputPrivate : public QQuickImplicitSizeItemPr
         , hAlignImplicit(true)
         , selectPressed(false)
         , textLayoutDirty(true)
+        , persistentSelection(false)
         , m_hideCursor(false)
         , m_separator(0)
         , m_readOnly(0)
@@ -244,6 +245,7 @@ class Q_AUTOTEST_EXPORT QQuickTextInputPrivate : public QQuickImplicitSizeItemPr
     bool hAlignImplicit:1;
     bool selectPressed:1;
     bool textLayoutDirty:1;
+    bool persistentSelection:1;
 
     uint m_hideCursor : 1; // used to hide the m_cursor inside preedit areas
     uint m_separator : 1;

tests/auto/qtquick2/qquicktextedit/data/persistentSelection.qml

@@ -0,0 +1,8 @@
+import QtQuick 2.0
+
+TextEdit {
+    property string selected: selectedText
+
+    text: "Hello World!"
+    focus: true
+}

tests/auto/qtquick2/qquicktextedit/tst_qquicktextedit.cpp

@@ -946,23 +946,47 @@ void tst_qquicktextedit::textMargin()
 
 void tst_qquicktextedit::persistentSelection()
 {
-    {
-        QString componentStr = "import QtQuick 2.0\nTextEdit {  persistentSelection: true; text: \"Hello World\" }";
-        QDeclarativeComponent texteditComponent(&engine);
-        texteditComponent.setData(componentStr.toLatin1(), QUrl());
-        QQuickTextEdit *textEditObject = qobject_cast<QQuickTextEdit*>(texteditComponent.create());
-        QVERIFY(textEditObject != 0);
-        QCOMPARE(textEditObject->persistentSelection(), true);
-    }
+    QQuickView canvas(testFileUrl("persistentSelection.qml"));
+    canvas.show();
+    canvas.requestActivateWindow();
+    QTest::qWaitForWindowShown(&canvas);
+    QTRY_COMPARE(&canvas, qGuiApp->focusWindow());
+    canvas.requestActivateWindow();
+
+    QQuickTextEdit *edit = qobject_cast<QQuickTextEdit *>(canvas.rootObject());
+    QVERIFY(edit);
+    QVERIFY(edit->hasActiveFocus());
+
+    QSignalSpy spy(edit, SIGNAL(persistentSelectionChanged(bool)));
+
+    QCOMPARE(edit->persistentSelection(), false);
+
+    edit->setPersistentSelection(false);
+    QCOMPARE(edit->persistentSelection(), false);
+    QCOMPARE(spy.count(), 0);
+
+    edit->select(1, 4);
+    QCOMPARE(edit->property("selected").toString(), QLatin1String("ell"));
+
+    edit->setFocus(false);
+    QCOMPARE(edit->property("selected").toString(), QString());
+
+    edit->setFocus(true);
+    QCOMPARE(edit->property("selected").toString(), QString());
+
+    edit->setPersistentSelection(true);
+    QCOMPARE(edit->persistentSelection(), true);
+    QCOMPARE(spy.count(), 1);
+
+    edit->select(1, 4);
+    QCOMPARE(edit->property("selected").toString(), QLatin1String("ell"));
+
+    edit->setFocus(false);
+    QCOMPARE(edit->property("selected").toString(), QLatin1String("ell"));
+
+    edit->setFocus(true);
+    QCOMPARE(edit->property("selected").toString(), QLatin1String("ell"));
 
-    {
-        QString componentStr = "import QtQuick 2.0\nTextEdit {  persistentSelection: false; text: \"Hello World\" }";
-        QDeclarativeComponent texteditComponent(&engine);
-        texteditComponent.setData(componentStr.toLatin1(), QUrl());
-        QQuickTextEdit *textEditObject = qobject_cast<QQuickTextEdit*>(texteditComponent.create());
-        QVERIFY(textEditObject != 0);
-        QCOMPARE(textEditObject->persistentSelection(), false);
-    }
 }
 
 void tst_qquicktextedit::focusOnPress()

tests/auto/qtquick2/qquicktextinput/data/persistentSelection.qml

@@ -0,0 +1,8 @@
+import QtQuick 2.0
+
+TextInput {
+    property string selected: selectedText
+
+    text: "Hello World!"
+    focus: true
+}

tests/auto/qtquick2/qquicktextinput/tst_qquicktextinput.cpp

@@ -109,6 +109,7 @@ private slots:
     void color();
     void wrap();
     void selection();
+    void persistentSelection();
     void isRightToLeft_data();
     void isRightToLeft();
     void moveCursorSelection_data();
@@ -628,6 +629,50 @@ void tst_qquicktextinput::selection()
     delete textinputObject;
 }
 
+void tst_qquicktextinput::persistentSelection()
+{
+    QQuickView canvas(testFileUrl("persistentSelection.qml"));
+    canvas.show();
+    canvas.requestActivateWindow();
+    QTest::qWaitForWindowShown(&canvas);
+    QTRY_COMPARE(&canvas, qGuiApp->focusWindow());
+    canvas.requestActivateWindow();
+
+    QQuickTextInput *input = qobject_cast<QQuickTextInput *>(canvas.rootObject());
+    QVERIFY(input);
+    QVERIFY(input->hasActiveFocus());
+
+    QSignalSpy spy(input, SIGNAL(persistentSelectionChanged()));
+
+    QCOMPARE(input->persistentSelection(), false);
+
+    input->setPersistentSelection(false);
+    QCOMPARE(input->persistentSelection(), false);
+    QCOMPARE(spy.count(), 0);
+
+    input->select(1, 4);
+    QCOMPARE(input->property("selected").toString(), QLatin1String("ell"));
+
+    input->setFocus(false);
+    QCOMPARE(input->property("selected").toString(), QString());
+
+    input->setFocus(true);
+    QCOMPARE(input->property("selected").toString(), QString());
+
+    input->setPersistentSelection(true);
+    QCOMPARE(input->persistentSelection(), true);
+    QCOMPARE(spy.count(), 1);
+
+    input->select(1, 4);
+    QCOMPARE(input->property("selected").toString(), QLatin1String("ell"));
+
+    input->setFocus(false);
+    QCOMPARE(input->property("selected").toString(), QLatin1String("ell"));
+
+    input->setFocus(true);
+    QCOMPARE(input->property("selected").toString(), QLatin1String("ell"));
+}
+
 void tst_qquicktextinput::isRightToLeft_data()
 {
     QTest::addColumn<QString>("text");