Added support for using inputMethodHints in QInputDialog edit widget.

AutoTest: Included
Task:     QTBUG-13200
RevBy:    Denis Dzyubenko

4 files changed, 38 insertions, 2 deletions

diff --git a/src/gui/dialogs/qinputdialog.cpp b/src/gui/dialogs/qinputdialog.cpp
index e996ee9..700b234 100644
--- a/src/gui/dialogs/qinputdialog.cpp
+++ b/src/gui/dialogs/qinputdialog.cpp
@@ -244,6 +244,9 @@ void QInputDialogPrivate::ensureLineEdit()
     Q_Q(QInputDialog);
     if (!lineEdit) {
         lineEdit = new QLineEdit(q);
+#ifndef QT_NO_IM
+        qt_widget_private(lineEdit)->inheritsInputMethodHints = 1;
+#endif
         lineEdit->hide();
         QObject::connect(lineEdit, SIGNAL(textChanged(QString)),
                          q, SLOT(_q_textChanged(QString)));
@@ -255,6 +258,9 @@ void QInputDialogPrivate::ensureComboBox()
     Q_Q(QInputDialog);
     if (!comboBox) {
         comboBox = new QComboBox(q);
+#ifndef QT_NO_IM
+        qt_widget_private(comboBox)->inheritsInputMethodHints = 1;
+#endif
         comboBox->hide();
         QObject::connect(comboBox, SIGNAL(editTextChanged(QString)),
                          q, SLOT(_q_textChanged(QString)));
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index dc0dbf4..330d699 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -273,6 +273,9 @@ QWidgetPrivate::QWidgetPrivate(int version)
       , isMoved(0)
       , isGLWidget(0)
       , usesDoubleBufferedGLContext(0)
+#ifndef QT_NO_IM
+      , inheritsInputMethodHints(0)
+#endif
 #if defined(Q_WS_X11)
       , picture(0)
 #elif defined(Q_WS_WIN)
@@ -9228,9 +9231,13 @@ QVariant QWidget::inputMethodQuery(Qt::InputMethodQuery query) const
 */
 Qt::InputMethodHints QWidget::inputMethodHints() const
 {
-    Q_D(const QWidget);
 #ifndef QT_NO_IM
-    return d->imHints;
+    const QWidgetPrivate *priv = d_func();
+    while (priv->inheritsInputMethodHints) {
+        priv = priv->q_func()->parentWidget()->d_func();
+        Q_ASSERT(priv);
+    }
+    return priv->imHints;
 #else //QT_NO_IM
     return 0;
 #endif //QT_NO_IM
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 4a79dc7..6c89659 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -748,6 +748,9 @@ public:
     uint isMoved : 1;
     uint isGLWidget : 1;
     uint usesDoubleBufferedGLContext : 1;
+#ifndef QT_NO_IM
+    uint inheritsInputMethodHints : 1;
+#endif
 
     // *************************** Platform specific ************************************
 #if defined(Q_WS_X11) // <----------------------------------------------------------- X11
diff --git a/tests/auto/qinputdialog/tst_qinputdialog.cpp b/tests/auto/qinputdialog/tst_qinputdialog.cpp
index 0d6644a..5d03142 100644
--- a/tests/auto/qinputdialog/tst_qinputdialog.cpp
+++ b/tests/auto/qinputdialog/tst_qinputdialog.cpp
@@ -74,6 +74,7 @@ private slots:
     void getItem_data();
     void getItem();
     void task256299_getTextReturnNullStringOnRejected();
+    void inputMethodHintsOfChildWidget();
 };
 
 QString stripFraction(const QString &s)
@@ -404,5 +405,24 @@ void tst_QInputDialog::getItem()
     delete parent;
 }
 
+void tst_QInputDialog::inputMethodHintsOfChildWidget()
+{
+    QInputDialog dialog;
+    dialog.setInputMode(QInputDialog::TextInput);
+    QList<QObject *> children = dialog.children();
+    QLineEdit *editWidget = 0;
+    for (int c = 0; c < children.size(); c++) {
+        editWidget = qobject_cast<QLineEdit *>(children.at(c));
+        if (editWidget)
+            break;
+    }
+    QVERIFY(editWidget);
+    QCOMPARE(editWidget->inputMethodHints(), dialog.inputMethodHints());
+    QCOMPARE(editWidget->inputMethodHints(), Qt::ImhNone);
+    dialog.setInputMethodHints(Qt::ImhDigitsOnly);
+    QCOMPARE(editWidget->inputMethodHints(), dialog.inputMethodHints());
+    QCOMPARE(editWidget->inputMethodHints(), Qt::ImhDigitsOnly);
+}
+
 QTEST_MAIN(tst_QInputDialog)
 #include "tst_qinputdialog.moc"