3 files changed, 37 insertions, 19 deletions
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
index 9b97c8b..5bb3c57 100644
--- a/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
@@ -1351,26 +1351,30 @@ void QWebPagePrivate::inputMethodEvent(QInputMethodEvent *ev)
         }
     }
 
-    if (!ev->commitString().isEmpty())
+    if (renderTextControl && ev->replacementLength() > 0) {
+        renderTextControl->setSelectionStart(qMax(renderTextControl->selectionStart() + ev->replacementStart(), 0));
+        renderTextControl->setSelectionEnd(qMin(renderTextControl->selectionStart() + ev->replacementLength(), static_cast<int>(renderTextControl->text().length())));
+        // Commit regardless of whether commitString is empty, to get rid of selection.
         editor->confirmComposition(ev->commitString());
-    else {
-        // 1. empty preedit with a selection attribute, and start/end of 0 cancels composition
-        // 2. empty preedit with a selection attribute, and start/end of non-0 updates selection of current preedit text
-        // 3. populated preedit with a selection attribute, and start/end of 0 or non-0 updates selection of supplied preedit text
-        // 4. otherwise event is updating supplied pre-edit text
-        QString preedit = ev->preeditString();
+    } else if (!ev->commitString().isEmpty()) {
+        editor->confirmComposition(ev->commitString());
+    }
+    // 1. empty preedit with a selection attribute, and start/end of 0 cancels composition
+    // 2. empty preedit with a selection attribute, and start/end of non-0 updates selection of current preedit text
+    // 3. populated preedit with a selection attribute, and start/end of 0 or non-0 updates selection of supplied preedit text
+    // 4. otherwise event is updating supplied pre-edit text
+    QString preedit = ev->preeditString();
 #if QT_VERSION >= 0x040600
-        if (hasSelection) {
-            QString text = (renderTextControl) ? QString(renderTextControl->text()) : QString();
-            if (preedit.isEmpty() && selection.start + selection.length > 0)
-                preedit = text;
-            editor->setComposition(preedit, underlines,
-                                   (selection.length < 0) ? selection.start + selection.length : selection.start,
-                                   (selection.length < 0) ? selection.start : selection.start + selection.length);
-        } else
+    if (hasSelection) {
+        QString text = (renderTextControl) ? QString(renderTextControl->text()) : QString();
+        if (preedit.isEmpty() && selection.start + selection.length > 0)
+            preedit = text;
+        editor->setComposition(preedit, underlines,
+                               (selection.length < 0) ? selection.start + selection.length : selection.start,
+                               (selection.length < 0) ? selection.start : selection.start + selection.length);
+    } else
 #endif
-            editor->setComposition(preedit, underlines, preedit.length(), 0);
-    }
+        editor->setComposition(preedit, underlines, preedit.length(), 0);
 
     ev->accept();
 }
diff --git a/src/3rdparty/webkit/WebKit/qt/qt_webkit_version.pri b/src/3rdparty/webkit/WebKit/qt/qt_webkit_version.pri
index f2282f8..b98617f 100644
--- a/src/3rdparty/webkit/WebKit/qt/qt_webkit_version.pri
+++ b/src/3rdparty/webkit/WebKit/qt/qt_webkit_version.pri
@@ -1,5 +1,5 @@
-QT_WEBKIT_VERSION = 4.7.1
+QT_WEBKIT_VERSION = 4.7.2
 QT_WEBKIT_MAJOR_VERSION = 4
 QT_WEBKIT_MINOR_VERSION = 7
-QT_WEBKIT_PATCH_VERSION = 1
+QT_WEBKIT_PATCH_VERSION = 2
 QT_CONFIG += webkit
diff --git a/src/3rdparty/webkit/WebKit/qt/tests/qwebpage/tst_qwebpage.cpp b/src/3rdparty/webkit/WebKit/qt/tests/qwebpage/tst_qwebpage.cpp
index b7ffb8a..31cf277 100644
--- a/src/3rdparty/webkit/WebKit/qt/tests/qwebpage/tst_qwebpage.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/tests/qwebpage/tst_qwebpage.cpp
@@ -1502,6 +1502,20 @@ void tst_QWebPage::inputMethods()
     QCOMPARE(value, QString("QtWebKit"));
 #endif
 
+    {
+        QList<QInputMethodEvent::Attribute> attributes;
+        QInputMethodEvent event(QString(), attributes);
+        event.setCommitString("XXX", 0, 0);
+        page->event(&event);
+        event.setCommitString(QString(), -2, 2); // Erase two characters.
+        page->event(&event);
+        event.setCommitString(QString(), -1, 1); // Erase one character.
+        page->event(&event);
+        variant = page->inputMethodQuery(Qt::ImSurroundingText);
+        value = variant.value<QString>();
+        QCOMPARE(value, QString("QtWebKit"));
+    }
+
     // Cancel current composition first
     inputAttributes << QInputMethodEvent::Attribute(QInputMethodEvent::Selection, 0, 0, QVariant());
     QInputMethodEvent eventSelection4("", inputAttributes);