From 7df107f0266892276c85d259afba335c2a77ba07 Mon Sep 17 00:00:00 2001
From: Liang Qi <liang.qi@theqtcompany.com>
Date: Thu, 22 Oct 2015 12:54:18 +0200
Subject: Cocoa: Implement QPlatformInputContext::locale().

Listen to NSTextInputContextKeyboardSelectionDidChangeNotification.

Task-number: QTBUG-48772
Change-Id: Icea4ef61fd184edbe65a7f195318832a22c312ab
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@theqtcompany.com>
---
 src/plugins/platforms/cocoa/qcocoainputcontext.mm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/plugins/platforms/cocoa/qcocoainputcontext.mm')

diff --git a/src/plugins/platforms/cocoa/qcocoainputcontext.mm b/src/plugins/platforms/cocoa/qcocoainputcontext.mm
index f072991bdd..7d01826ffe 100644
--- a/src/plugins/platforms/cocoa/qcocoainputcontext.mm
+++ b/src/plugins/platforms/cocoa/qcocoainputcontext.mm
@@ -36,6 +36,8 @@
 #include "qcocoanativeinterface.h"
 #include "qcocoawindow.h"
 
+#include <Carbon/Carbon.h>
+
 #include <QtCore/QRect>
 #include <QtGui/QGuiApplication>
 #include <QtGui/QWindow>
@@ -76,6 +78,7 @@ QCocoaInputContext::QCocoaInputContext()
     , mWindow(QGuiApplication::focusWindow())
 {
     QMetaObject::invokeMethod(this, "connectSignals", Qt::QueuedConnection);
+    updateLocale();
 }
 
 QCocoaInputContext::~QCocoaInputContext()
@@ -116,4 +119,20 @@ void QCocoaInputContext::focusObjectChanged(QObject *focusObject)
     mWindow = QGuiApplication::focusWindow();
 }
 
+void QCocoaInputContext::updateLocale()
+{
+    TISInputSourceRef source = TISCopyCurrentKeyboardInputSource();
+    CFArrayRef languages = (CFArrayRef) TISGetInputSourceProperty(source, kTISPropertyInputSourceLanguages);
+    if (CFArrayGetCount(languages) > 0) {
+        CFStringRef langRef = (CFStringRef)CFArrayGetValueAtIndex(languages, 0);
+        QString name = QCFString::toQString(langRef);
+        QLocale locale(name);
+        if (m_locale != locale) {
+            m_locale = locale;
+            emitLocaleChanged();
+        }
+        CFRelease(langRef);
+    }
+}
+
 QT_END_NAMESPACE
-- 
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