Add a way to query the reading direction of QML editor text

Task-number: QTBUG-17490
Reviewed-by: Martin Jones

Change-Id: I3dd3854f820860d32e822605ed547150d5f17eb2

4 files changed, 36 insertions, 0 deletions

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();