lokdialog: Allow windows / dialogs in different languages.

Change-Id: I9f32161981aed73e6d97696e5f976af276d1625a
Reviewed-on: https://gerrit.libreoffice.org/46327
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

11 files changed, 80 insertions, 6 deletions

diff --git a/comphelper/source/misc/lok.cxx b/comphelper/source/misc/lok.cxx
index b8324a4defcd..2e8624d1e8d0 100644
--- a/comphelper/source/misc/lok.cxx
+++ b/comphelper/source/misc/lok.cxx
@@ -27,6 +27,10 @@ static bool g_bTiledAnnotations(true);
 
 static bool g_bRangeHeaders(false);
 
+static bool g_bLocalRendering(false);
+
+static LanguageTag g_aLanguageTag("en-US", true);
+
 void setActive(bool bActive)
 {
     g_bActive = bActive;
@@ -87,8 +91,6 @@ bool isRangeHeaders()
     return g_bRangeHeaders;
 }
 
-static bool g_bLocalRendering(false);
-
 void setLocalRendering(bool bLocalRendering)
 {
     g_bLocalRendering = bLocalRendering;
@@ -99,6 +101,17 @@ bool isLocalRendering()
     return g_bLocalRendering;
 }
 
+void setLanguageTag(const LanguageTag& languageTag)
+{
+    if (g_aLanguageTag != languageTag)
+        g_aLanguageTag = languageTag;
+}
+
+const LanguageTag& getLanguageTag()
+{
+    return g_aLanguageTag;
+}
+
 static void (*pStatusIndicatorCallback)(void *data, statusIndicatorCallbackType type, int percent)(nullptr);
 static void *pStatusIndicatorCallbackData(nullptr);
 
diff --git a/desktop/qa/desktop_lib/test_desktop_lib.cxx b/desktop/qa/desktop_lib/test_desktop_lib.cxx
index fb801879d370..83c5f3544e37 100644
--- a/desktop/qa/desktop_lib/test_desktop_lib.cxx
+++ b/desktop/qa/desktop_lib/test_desktop_lib.cxx
@@ -2208,10 +2208,11 @@ void DesktopLOKTest::testABI()
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(36), offsetof(struct _LibreOfficeKitDocumentClass, postWindow));
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(37), offsetof(struct _LibreOfficeKitDocumentClass, postWindowKeyEvent));
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(38), offsetof(struct _LibreOfficeKitDocumentClass, postWindowMouseEvent));
+    CPPUNIT_ASSERT_EQUAL(documentClassOffset(39), offsetof(struct _LibreOfficeKitDocumentClass, setViewLanguage));
 
     // Extending is fine, update this, and add new assert for the offsetof the
     // new method
-    CPPUNIT_ASSERT_EQUAL(documentClassOffset(39), sizeof(struct _LibreOfficeKitDocumentClass));
+    CPPUNIT_ASSERT_EQUAL(documentClassOffset(40), sizeof(struct _LibreOfficeKitDocumentClass));
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(DesktopLOKTest);
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index e339d3a40467..17a731837656 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -618,6 +618,7 @@ static void doc_setView(LibreOfficeKitDocument* pThis, int nId);
 static int doc_getView(LibreOfficeKitDocument* pThis);
 static int doc_getViewsCount(LibreOfficeKitDocument* pThis);
 static bool doc_getViewIds(LibreOfficeKitDocument* pThis, int* pArray, size_t nSize);
+static void doc_setViewLanguage(LibreOfficeKitDocument* pThis, int nId, const char* language);
 static unsigned char* doc_renderFont(LibreOfficeKitDocument* pThis,
                           const char *pFontName,
                           const char *pChar,
@@ -683,6 +684,8 @@ LibLODocument_Impl::LibLODocument_Impl(const uno::Reference <css::lang::XCompone
         m_pDocumentClass->paintWindow = doc_paintWindow;
         m_pDocumentClass->postWindow = doc_postWindow;
 
+        m_pDocumentClass->setViewLanguage = doc_setViewLanguage;
+
         gDocumentClass = m_pDocumentClass;
     }
     pClass = m_pDocumentClass.get();
@@ -3166,6 +3169,13 @@ static bool doc_getViewIds(LibreOfficeKitDocument* /*pThis*/, int* pArray, size_
     return SfxLokHelper::getViewIds(pArray, nSize);
 }
 
+static void doc_setViewLanguage(LibreOfficeKitDocument* /*pThis*/, int nId, const char* language)
+{
+    SolarMutexGuard aGuard;
+
+    SfxLokHelper::setViewLanguage(nId, OStringToOUString(language, RTL_TEXTENCODING_UTF8));
+}
+
 unsigned char* doc_renderFont(LibreOfficeKitDocument* /*pThis*/,
                     const char* pFontName,
                     const char* pChar,
diff --git a/include/LibreOfficeKit/LibreOfficeKit.h b/include/LibreOfficeKit/LibreOfficeKit.h
index 7b80001be430..8ac97371c6c4 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.h
+++ b/include/LibreOfficeKit/LibreOfficeKit.h
@@ -286,6 +286,9 @@ struct _LibreOfficeKitDocumentClass
                                   int nButtons,
                                   int nModifier);
 
+    /// @see lok::Document::setViewLanguage().
+    void (*setViewLanguage) (LibreOfficeKitDocument* pThis, int nId, const char* language);
+
 #endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
 };
 
diff --git a/include/LibreOfficeKit/LibreOfficeKit.hxx b/include/LibreOfficeKit/LibreOfficeKit.hxx
index 7bdd2c470092..d7fa22b70ede 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.hxx
+++ b/include/LibreOfficeKit/LibreOfficeKit.hxx
@@ -525,6 +525,17 @@ public:
         return mpDoc->pClass->getViewIds(mpDoc, pArray, nSize);
     }
 
+    /**
+     * Set the language tag of the window with the specified nId.
+     *
+     * @param nId a view ID, returned by createView().
+     * @param language Bcp47 languageTag, like en-US or so.
+     */
+    void setViewLanguage(int nId, const char* language)
+    {
+        mpDoc->pClass->setViewLanguage(mpDoc, nId, language);
+    }
+
 #endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
 };
 
diff --git a/include/comphelper/lok.hxx b/include/comphelper/lok.hxx
index c42a740822e0..e9634e77d6f9 100644
--- a/include/comphelper/lok.hxx
+++ b/include/comphelper/lok.hxx
@@ -12,6 +12,8 @@
 
 #include <comphelper/comphelperdllapi.h>
 
+#include <i18nlangtag/languagetag.hxx>
+
 // Interface between the LibreOfficeKit implementation called by LibreOfficeKit clients and other
 // LibreOffice code.
 
@@ -65,6 +67,11 @@ COMPHELPER_DLLPUBLIC void setRangeHeaders(bool bTiledAnnotations);
 /// Check if range based header data is enabled
 COMPHELPER_DLLPUBLIC bool isRangeHeaders();
 
+/// Update the current LOK's language.
+COMPHELPER_DLLPUBLIC void setLanguageTag(const LanguageTag& languageTag);
+/// Get the current LOK's language.
+COMPHELPER_DLLPUBLIC const LanguageTag& getLanguageTag();
+
 // Status indicator handling. Even if in theory there could be several status indicators active at
 // the same time, in practice there is only one at a time, so we don't handle any identification of
 // status indicator in this API.
diff --git a/include/sfx2/lokhelper.hxx b/include/sfx2/lokhelper.hxx
index b7600f015163..391d9965cb29 100644
--- a/include/sfx2/lokhelper.hxx
+++ b/include/sfx2/lokhelper.hxx
@@ -34,6 +34,8 @@ public:
     static std::size_t getViewsCount();
     /// Get viewIds of all existing views.
     static bool getViewIds(int* pArray, size_t nSize);
+    /// Set language of the given view.
+    static void setViewLanguage(int nId, const OUString& rBcp47LanguageTag);
     /// Iterate over any view shell, except pThisViewShell, passing it to the f function.
     template<typename ViewShellType, typename FunctionType>
     static void forEachOtherView(ViewShellType* pThisViewShell, FunctionType f);
diff --git a/include/sfx2/viewsh.hxx b/include/sfx2/viewsh.hxx
index 256f499f8547..023a37c98620 100644
--- a/include/sfx2/viewsh.hxx
+++ b/include/sfx2/viewsh.hxx
@@ -157,6 +157,7 @@ friend class SfxPrinterController;
     VclPtr<vcl::Window>         pWindow;
     bool                        bNoNewWindow;
     bool                        mbPrinterSettingsModified;
+    LanguageTag                 maLOKLanguageTag;
 
 protected:
     virtual void                Activate(bool IsMDIActivate) override;
@@ -350,6 +351,10 @@ public:
     /// See OutlinerViewShell::GetEditWindowForActiveOLEObj().
     virtual vcl::Window* GetEditWindowForActiveOLEObj() const override;
 
+    /// Set the LibreOfficeKit language of this view.
+    void SetLOKLanguageTag(const OUString& rBcp47LanguageTag) { maLOKLanguageTag = LanguageTag(rBcp47LanguageTag, true); }
+    /// Get the LibreOfficeKit language of this view.
+    const LanguageTag& GetLOKLanguageTag() const { return maLOKLanguageTag; }
 };
 
 
diff --git a/sfx2/source/view/lokhelper.cxx b/sfx2/source/view/lokhelper.cxx
index 73e7a170412c..f91d757697a2 100644
--- a/sfx2/source/view/lokhelper.cxx
+++ b/sfx2/source/view/lokhelper.cxx
@@ -61,6 +61,9 @@ void SfxLokHelper::setView(int nId)
     {
         if (pViewShell->GetViewShellId() == nViewShellId)
         {
+            // update the current LOK language for the dialog tunneling
+            comphelper::LibreOfficeKit::setLanguageTag(pViewShell->GetLOKLanguageTag());
+
             if (pViewShell == SfxViewShell::Current())
                 return;
 
@@ -108,6 +111,20 @@ bool SfxLokHelper::getViewIds(int* pArray, size_t nSize)
     return true;
 }
 
+void SfxLokHelper::setViewLanguage(int nId, const OUString& rBcp47LanguageTag)
+{
+    SfxViewShellArr_Impl& rViewArr = SfxGetpApp()->GetViewShells_Impl();
+
+    for (SfxViewShell* pViewShell : rViewArr)
+    {
+        if (pViewShell->GetViewShellId() == static_cast<unsigned>(nId))
+        {
+            pViewShell->SetLOKLanguageTag(rBcp47LanguageTag);
+            return;
+        }
+    }
+}
+
 void SfxLokHelper::notifyOtherView(SfxViewShell* pThisView, SfxViewShell* pOtherView, int nType, const OString& rKey, const OString& rPayload)
 {
     OString aPayload = OString("{ \"viewId\": \"") + OString::number(SfxLokHelper::getView(pThisView)) +
diff --git a/sfx2/source/view/viewsh.cxx b/sfx2/source/view/viewsh.cxx
index 1dcc439f291c..e65d55e0be1b 100644
--- a/sfx2/source/view/viewsh.cxx
+++ b/sfx2/source/view/viewsh.cxx
@@ -1105,6 +1105,7 @@ SfxViewShell::SfxViewShell
 ,   pWindow(nullptr)
 ,   bNoNewWindow( nFlags & SfxViewShellFlags::NO_NEWWINDOW )
 ,   mbPrinterSettingsModified(false)
+,   maLOKLanguageTag("en-US", true)
 {
 
     SetMargin( pViewFrame->GetMargin_Impl() );
diff --git a/vcl/source/window/builder.cxx b/vcl/source/window/builder.cxx
index 32bd8b8e9d29..1809b7a8d711 100644
--- a/vcl/source/window/builder.cxx
+++ b/vcl/source/window/builder.cxx
@@ -9,6 +9,7 @@
 
 #include <com/sun/star/packages/zip/ZipFileAccess.hpp>
 
+#include <comphelper/lok.hxx>
 #include <comphelper/processfactory.hxx>
 #include <osl/module.hxx>
 #include <sal/log.hxx>
@@ -194,10 +195,13 @@ VclBuilder::VclBuilder(vcl::Window *pParent, const OUString& sUIDir, const OUStr
 
     OUString sUri = sUIDir + sUIFile;
 
-    const LanguageTag& rLanguageTag = Application::GetSettings().GetUILanguageTag();
-    bool bEN_US = (rLanguageTag.getBcp47() == "en-US");
+    LanguageTag aLanguageTag = Application::GetSettings().GetUILanguageTag();
+    if (comphelper::LibreOfficeKit::isActive())
+        aLanguageTag = comphelper::LibreOfficeKit::getLanguageTag();
+
+    bool bEN_US = (aLanguageTag.getBcp47() == "en-US");
     if (!bEN_US)
-        loadTranslations(rLanguageTag, sUri);
+        loadTranslations(aLanguageTag, sUri);
 
     try
     {