sd, sc lok: IME support + unit tests

Change-Id: I710ba4347977641102b89fd274a159d34bc29e72
Reviewed-on: https://gerrit.libreoffice.org/49385
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: pranavk <pranavk@collabora.co.uk>
(cherry picked from commit b746577d27437f9298fa111512d083eaccd4fbed)
Reviewed-on: https://gerrit.libreoffice.org/49624
Tested-by: pranavk <pranavk@collabora.co.uk>

3 files changed, 63 insertions, 0 deletions

diff --git a/sc/inc/docuno.hxx b/sc/inc/docuno.hxx
index e37f11a9ba49..4c4e74583023 100644
--- a/sc/inc/docuno.hxx
+++ b/sc/inc/docuno.hxx
@@ -385,6 +385,9 @@ public:
     /// @see vcl::ITiledRenderable::postKeyEvent().
     virtual void postKeyEvent(int nType, int nCharCode, int nKeyCode) override;
 
+    /// @see vcl::ITiledRenderable::postExtTextInputEvent().
+    virtual void postExtTextInputEvent(int nType, const OUString& rText) override;
+
     /// @see vcl::ITiledRenderable::postMouseEvent().
     virtual void postMouseEvent(int nType, int nX, int nY, int nCount, int nButtons, int nModifier) override;
 
diff --git a/sc/qa/unit/tiledrendering/tiledrendering.cxx b/sc/qa/unit/tiledrendering/tiledrendering.cxx
index f8357435f0e3..801f7ad55288 100644
--- a/sc/qa/unit/tiledrendering/tiledrendering.cxx
+++ b/sc/qa/unit/tiledrendering/tiledrendering.cxx
@@ -81,6 +81,7 @@ public:
     void testDocumentRepair();
     void testLanguageStatus();
     void testMultiViewCopyPaste();
+    void testIMESupport();
 
     CPPUNIT_TEST_SUITE(ScTiledRenderingTest);
     CPPUNIT_TEST(testRowColumnSelections);
@@ -111,6 +112,7 @@ public:
     CPPUNIT_TEST(testDocumentRepair);
     CPPUNIT_TEST(testLanguageStatus);
     CPPUNIT_TEST(testMultiViewCopyPaste);
+    CPPUNIT_TEST(testIMESupport);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -1559,6 +1561,39 @@ void ScTiledRenderingTest::testMultiViewCopyPaste()
     comphelper::LibreOfficeKit::setActive(false);
 }
 
+void ScTiledRenderingTest::testIMESupport()
+{
+    comphelper::LibreOfficeKit::setActive();
+
+    ScModelObj* pModelObj = createDoc("empty.ods");
+    ScDocument* pDoc = pModelObj->GetDocument();
+
+    ScTabViewShell* pView = dynamic_cast<ScTabViewShell*>(SfxViewShell::Current());
+    CPPUNIT_ASSERT(pView);
+
+    pView->SetCursor(0, 0);
+    // sequence of chineese IME compositions when 'nihao' is typed in an IME
+    const std::vector<OString> aUtf8Inputs{ "年", "你", "你好", "你哈", "你好", "你好" };
+    std::vector<OUString> aInputs;
+    std::transform(aUtf8Inputs.begin(), aUtf8Inputs.end(),
+                   std::back_inserter(aInputs), [](OString aInput) {
+                       return OUString::fromUtf8(aInput);
+                   });
+    for (const auto& aInput: aInputs)
+    {
+        pModelObj->postExtTextInputEvent(LOK_EXT_TEXTINPUT, aInput);
+    }
+    pModelObj->postExtTextInputEvent(LOK_EXT_TEXTINPUT_END, "");
+
+    // commit the string to the cell
+    pModelObj->postKeyEvent(LOK_KEYEVENT_KEYINPUT, 0, awt::Key::RETURN);
+    pModelObj->postKeyEvent(LOK_KEYEVENT_KEYUP, 0, awt::Key::RETURN);
+
+    CPPUNIT_ASSERT_EQUAL(aInputs[aInputs.size() - 1], pDoc->GetString(ScAddress(0, 0, 0)));
+
+    comphelper::LibreOfficeKit::setActive(false);
+}
+
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(ScTiledRenderingTest);
diff --git a/sc/source/ui/unoobj/docuno.cxx b/sc/source/ui/unoobj/docuno.cxx
index dbd63f6ad14b..fafd3b466102 100644
--- a/sc/source/ui/unoobj/docuno.cxx
+++ b/sc/source/ui/unoobj/docuno.cxx
@@ -42,6 +42,7 @@
 #include <sfx2/printer.hxx>
 #include <sfx2/bindings.hxx>
 #include <sfx2/dispatch.hxx>
+#include <vcl/commandevent.hxx>
 #include <vcl/pdfextoutdevdata.hxx>
 #include <vcl/waitobj.hxx>
 #include <unotools/charclass.hxx>
@@ -615,6 +616,30 @@ void ScModelObj::postKeyEvent(int nType, int nCharCode, int nKeyCode)
     }
 }
 
+void ScModelObj::postExtTextInputEvent(int nType, const OUString& rText)
+{
+    SolarMutexGuard aGuard;
+
+    ScViewData* pViewData = ScDocShell::GetViewData();
+    vcl::Window* pWindow = pViewData->GetActiveWin();
+
+    if (!pWindow)
+        return;
+
+    CommandExtTextInputData aTextInputData(rText, nullptr, 0, 0, false);
+    switch (nType)
+    {
+    case LOK_EXT_TEXTINPUT:
+        pWindow->PostExtTextInputEvent(VclEventId::ExtTextInput, rText);
+        break;
+    case LOK_EXT_TEXTINPUT_END:
+        pWindow->PostExtTextInputEvent(VclEventId::EndExtTextInput, "");
+        break;
+    default:
+        assert(false && "Unhandled External Text input event!");
+    }
+}
+
 void ScModelObj::postMouseEvent(int nType, int nX, int nY, int nCount, int nButtons, int nModifier)
 {
     SolarMutexGuard aGuard;