sw: allow select of redline by index

Previously .uno:NextTrackedChange always worked by cursor position, but
redlines are stored in the redline table, so they have a unique index.
Allow specifying that index when invoking the command, and in that case
ignore the cursor position.

Change-Id: I7dbe8044feca8fcc48635482a22317b024f40ffa

3 files changed, 42 insertions, 5 deletions

diff --git a/sw/qa/extras/uiwriter/uiwriter.cxx b/sw/qa/extras/uiwriter/uiwriter.cxx
index 8d0ed48feb03..5080f375070d 100644
--- a/sw/qa/extras/uiwriter/uiwriter.cxx
+++ b/sw/qa/extras/uiwriter/uiwriter.cxx
@@ -3853,15 +3853,39 @@ void SwUiWriterTest::testRedlineParam()
     pWrtShell->EndDoc();
     pWrtShell->Insert("zzz");
 
-    // Move the cursor to the start again, and reject the second change.
+    // Select the first redline.
     pWrtShell->SttDoc();
     uno::Sequence<beans::PropertyValue> aPropertyValues(comphelper::InitPropertySequence(
     {
-        {"RejectTrackedChange", uno::makeAny(static_cast<sal_uInt16>(1))}
+        {"NextTrackedChange", uno::makeAny(static_cast<sal_uInt16>(0))}
     }));
-    lcl_dispatchCommand(mxComponent, ".uno:RejectTrackedChange", aPropertyValues);
+    lcl_dispatchCommand(mxComponent, ".uno:NextTrackedChange", aPropertyValues);
     Scheduler::ProcessEventsToIdle();
     SwShellCursor* pShellCursor = pWrtShell->getShellCursor(false);
+    // This failed: the parameter wasn't handled so the next change (zzz) was
+    // selected, not the first one (aaa).
+    CPPUNIT_ASSERT_EQUAL(OUString("aaa"), pShellCursor->GetText());
+
+    // Select the second redline.
+    pWrtShell->SttDoc();
+    aPropertyValues = comphelper::InitPropertySequence(
+    {
+        {"NextTrackedChange", uno::makeAny(static_cast<sal_uInt16>(1))}
+    });
+    lcl_dispatchCommand(mxComponent, ".uno:NextTrackedChange", aPropertyValues);
+    Scheduler::ProcessEventsToIdle();
+    pShellCursor = pWrtShell->getShellCursor(false);
+    CPPUNIT_ASSERT_EQUAL(OUString("zzz"), pShellCursor->GetText());
+
+    // Move the cursor to the start again, and reject the second change.
+    pWrtShell->SttDoc();
+    aPropertyValues = comphelper::InitPropertySequence(
+    {
+        {"RejectTrackedChange", uno::makeAny(static_cast<sal_uInt16>(1))}
+    });
+    lcl_dispatchCommand(mxComponent, ".uno:RejectTrackedChange", aPropertyValues);
+    Scheduler::ProcessEventsToIdle();
+    pShellCursor = pWrtShell->getShellCursor(false);
 
     // This was 'middlezzz', the uno command rejected the redline under the
     // cursor, instead of the requested one.
diff --git a/sw/sdi/swriter.sdi b/sw/sdi/swriter.sdi
index 96a05e149ff1..c5c65688c47a 100644
--- a/sw/sdi/swriter.sdi
+++ b/sw/sdi/swriter.sdi
@@ -7272,6 +7272,7 @@ SfxVoidItem RejectTrackedChange FN_REDLINE_REJECT_DIRECT
 ]
 
 SfxVoidItem NextTrackedChange FN_REDLINE_NEXT_CHANGE
+( SfxUInt16Item NextTrackedChange FN_REDLINE_NEXT_CHANGE )
 [
     AutoUpdate = FALSE,
     FastCall = FALSE,
diff --git a/sw/source/uibase/uiview/view2.cxx b/sw/source/uibase/uiview/view2.cxx
index 366641a76066..5d200aef812b 100644
--- a/sw/source/uibase/uiview/view2.cxx
+++ b/sw/source/uibase/uiview/view2.cxx
@@ -709,8 +709,20 @@ void SwView::Execute(SfxRequest &rReq)
 
         case FN_REDLINE_NEXT_CHANGE:
         {
+            // If a parameter is provided, try going to the nth change, not to
+            // the next one.
+            sal_uInt16 nRedline = USHRT_MAX;
+            if (pArgs && pArgs->GetItemState(nSlot, false, &pItem) == SfxItemState::SET)
+                nRedline = static_cast<const SfxUInt16Item*>(pItem)->GetValue();
+
             const SwRangeRedline *pCurrent = m_pWrtShell->GetCurrRedline();
-            const SwRangeRedline *pNext = m_pWrtShell->SelNextRedline();
+            SwDoc* pDoc = m_pWrtShell->GetDoc();
+            const SwRedlineTable& rTable = pDoc->getIDocumentRedlineAccess().GetRedlineTable();
+            const SwRangeRedline *pNext = nullptr;
+            if (nRedline < rTable.size())
+                pNext = m_pWrtShell->GotoRedline(nRedline, true);
+            else
+                pNext = m_pWrtShell->SelNextRedline();
 
             // FN_REDLINE_PREV_CHANGE leaves the selection point at the start of the redline.
             // In such cases, SelNextRedline (which starts searching from the selection point)
@@ -718,7 +730,7 @@ void SwView::Execute(SfxRequest &rReq)
 
             // This behavior means that PREV_CHANGE followed by NEXT_CHANGE would not change
             // the current redline, so we detect it and select the next redline again.
-            if (pCurrent && pCurrent == pNext)
+            if (pCurrent && pCurrent == pNext && nRedline == USHRT_MAX)
                 pNext = m_pWrtShell->SelNextRedline();
 
             if (pNext)