sw lok: fix cursor position after inserting a comment

Make sure SwVisibleCursor::SetPosAndShow() doesn't emit LOK callbacks
till a comment window is active.

Need to invoke the unit test from desktop/, as the sw tests have the
status bar disabled.

Change-Id: Iab26024e9bb4da9c939bbd6cf769ec5c4dcb9a19

2 files changed, 56 insertions, 2 deletions

diff --git a/desktop/qa/desktop_lib/test_desktop_lib.cxx b/desktop/qa/desktop_lib/test_desktop_lib.cxx
index a7e24fcd7255..3456576c63e0 100644
--- a/desktop/qa/desktop_lib/test_desktop_lib.cxx
+++ b/desktop/qa/desktop_lib/test_desktop_lib.cxx
@@ -32,6 +32,7 @@
 #include <sfx2/viewsh.hxx>
 #include <sfx2/viewfrm.hxx>
 #include <sfx2/bindings.hxx>
+#include <comphelper/string.hxx>
 #include <cairo.h>
 
 #include <lib/init.hxx>
@@ -100,6 +101,7 @@ public:
     void testTrackChanges();
     void testRedlineCalc();
     void testPaintPartTile();
+    void testWriterCommentInsertCursor();
 
     CPPUNIT_TEST_SUITE(DesktopLOKTest);
     CPPUNIT_TEST(testGetStyles);
@@ -131,6 +133,7 @@ public:
     CPPUNIT_TEST(testTrackChanges);
     CPPUNIT_TEST(testRedlineCalc);
     CPPUNIT_TEST(testPaintPartTile);
+    CPPUNIT_TEST(testWriterCommentInsertCursor);
     CPPUNIT_TEST_SUITE_END();
 
     uno::Reference<lang::XComponent> mxComponent;
@@ -1484,6 +1487,7 @@ class ViewCallback
 {
 public:
     bool m_bTilesInvalidated;
+    Rectangle m_aOwnCursor;
 
     ViewCallback()
         : m_bTilesInvalidated(false)
@@ -1495,8 +1499,9 @@ public:
         static_cast<ViewCallback*>(pData)->callbackImpl(nType, pPayload);
     }
 
-    void callbackImpl(int nType, const char* /*pPayload*/)
+    void callbackImpl(int nType, const char* pPayload)
     {
+        OString aPayload(pPayload);
         switch (nType)
         {
         case LOK_CALLBACK_INVALIDATE_TILES:
@@ -1504,6 +1509,18 @@ public:
             m_bTilesInvalidated = true;
         }
         break;
+        case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
+        {
+            uno::Sequence<OUString> aSeq = comphelper::string::convertCommaSeparated(OUString::fromUtf8(aPayload));
+            if (OString("EMPTY") == pPayload)
+                return;
+            CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(4), aSeq.getLength());
+            m_aOwnCursor.setX(aSeq[0].toInt32());
+            m_aOwnCursor.setY(aSeq[1].toInt32());
+            m_aOwnCursor.setWidth(aSeq[2].toInt32());
+            m_aOwnCursor.setHeight(aSeq[3].toInt32());
+        }
+        break;
         }
     }
 };
@@ -1552,6 +1569,35 @@ void DesktopLOKTest::testPaintPartTile()
     mxComponent.clear();
     comphelper::LibreOfficeKit::setActive(false);
 }
+
+void DesktopLOKTest::testWriterCommentInsertCursor()
+{
+    // Load a document and type a character into the body text.
+    comphelper::LibreOfficeKit::setActive();
+    LibLODocument_Impl* pDocument = loadDoc("blank_text.odt");
+    pDocument->m_pDocumentClass->initializeForRendering(pDocument, "{}");
+    ViewCallback aView1;
+    pDocument->m_pDocumentClass->registerCallback(pDocument, &ViewCallback::callback, &aView1);
+    pDocument->m_pDocumentClass->postKeyEvent(pDocument, LOK_KEYEVENT_KEYINPUT, 'x', 0);
+    pDocument->m_pDocumentClass->postKeyEvent(pDocument, LOK_KEYEVENT_KEYUP, 'x', 0);
+    Scheduler::ProcessEventsToIdle();
+    Rectangle aBodyCursor = aView1.m_aOwnCursor;
+
+    // Now insert a comment and make sure that the comment's cursor is shown,
+    // not the body text's one.
+    const int nCtrlAltC = KEY_MOD1 + KEY_MOD2 + 512 + 'c' - 'a';
+    pDocument->m_pDocumentClass->postKeyEvent(pDocument, LOK_KEYEVENT_KEYINPUT, 'c', nCtrlAltC);
+    pDocument->m_pDocumentClass->postKeyEvent(pDocument, LOK_KEYEVENT_KEYUP, 'c', nCtrlAltC);
+    Scheduler::ProcessEventsToIdle();
+    // Wait for SfxBindings to actually update the state, which updated the
+    // cursor as well.
+    osl::Thread::wait(std::chrono::seconds(1));
+    Scheduler::ProcessEventsToIdle();
+    // This failed: the body cursor was shown right after inserting a comment.
+    CPPUNIT_ASSERT(aView1.m_aOwnCursor.getX() > aBodyCursor.getX());
+    comphelper::LibreOfficeKit::setActive(false);
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(DesktopLOKTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();
diff --git a/sw/source/core/crsr/viscrs.cxx b/sw/source/core/crsr/viscrs.cxx
index 0e848b88a859..7a886e964c21 100644
--- a/sw/source/core/crsr/viscrs.cxx
+++ b/sw/source/core/crsr/viscrs.cxx
@@ -59,6 +59,7 @@
 #include <sfx2/lokhelper.hxx>
 #include <comphelper/string.hxx>
 #include <paintfrm.hxx>
+#include <PostItMgr.hxx>
 
 // Here static members are defined. They will get changed on alteration of the
 // MapMode. This is done so that on ShowCursor the same size does not have to be
@@ -182,7 +183,14 @@ void SwVisibleCursor::SetPosAndShow(SfxViewShell* pViewShell)
 
     m_aTextCursor.SetPos( aRect.Pos() );
 
-    if (comphelper::LibreOfficeKit::isActive())
+    bool bPostItActive = false;
+    if (auto pView = dynamic_cast<SwView*>(m_pCursorShell->GetSfxViewShell()))
+    {
+        if (SwPostItMgr* pPostItMgr = pView->GetPostItMgr())
+            bPostItActive = pPostItMgr->GetActiveSidebarWin() != nullptr;
+    }
+
+    if (comphelper::LibreOfficeKit::isActive() && !bPostItActive)
     {
         // notify about page number change (if that happened)
         sal_uInt16 nPage, nVirtPage;