tdf#140257 duplicate entire PaM ring when making copy

tdf#134439, tdf#135636 are the motivation behind copying the PaM, but
multiselections require multiple PaMs

Change-Id: I9f95eb6c62ac0e61053298d4e4dbe386f5686275
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110717
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

4 files changed, 25 insertions, 7 deletions

diff --git a/sw/source/uibase/inc/basesh.hxx b/sw/source/uibase/inc/basesh.hxx
index b4426137fe9d..6e924a62cde1 100644
--- a/sw/source/uibase/inc/basesh.hxx
+++ b/sw/source/uibase/inc/basesh.hxx
@@ -24,10 +24,12 @@
 #include <tools/link.hxx>
 #include <sfx2/module.hxx>
 #include <sfx2/shell.hxx>
-
 #include <mdiexp.hxx>
+#include <memory>
 #include <set>
+#include <vector>
 
+class SwPaM;
 class SwWrtShell;
 class SwView;
 class SfxItemSet;
@@ -110,6 +112,10 @@ public:
     static void    SetFrameMode( FlyMode eMode, SwWrtShell *pShell );  // with update!
     static void   SetFrameMode_( FlyMode eMode )   { eFrameMode = eMode; }
     static FlyMode  GetFrameMode()                 { return eFrameMode;  }
+
+    // duplicate rOrig and rOrig's multi-selection Ring so the first element of the returned
+    // vector can be used equivalently to rOrig to affect the same selections
+    static std::shared_ptr<std::vector<std::unique_ptr<SwPaM>>> CopyPaMRing(SwPaM& rOrig);
 };
 
 #endif
diff --git a/sw/source/uibase/shells/basesh.cxx b/sw/source/uibase/shells/basesh.cxx
index 71f93a40d421..ac2c245a3d61 100644
--- a/sw/source/uibase/shells/basesh.cxx
+++ b/sw/source/uibase/shells/basesh.cxx
@@ -3052,4 +3052,16 @@ void SwBaseShell::ExecField( SfxRequest const & rReq )
     }
 }
 
+std::shared_ptr<std::vector<std::unique_ptr<SwPaM>>> SwBaseShell::CopyPaMRing(SwPaM& rOrig)
+{
+    auto vCursors = std::make_shared<std::vector<std::unique_ptr<SwPaM>>>();
+    vCursors->emplace_back(std::make_unique<SwPaM>(rOrig, nullptr));
+    for (auto& rCursor : rOrig.GetRingContainer())
+    {
+        if (&rCursor != &rOrig)
+            vCursors->emplace_back(std::make_unique<SwPaM>(rCursor, vCursors->front().get()));
+    }
+    return vCursors;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/uibase/shells/tabsh.cxx b/sw/source/uibase/shells/tabsh.cxx
index 247d5b4955d6..34d98f61edd9 100644
--- a/sw/source/uibase/shells/tabsh.cxx
+++ b/sw/source/uibase/shells/tabsh.cxx
@@ -596,11 +596,11 @@ void SwTableShell::Execute(SfxRequest &rReq)
                 auto pRequest = std::make_shared<SfxRequest>(rReq);
                 rReq.Ignore(); // the 'old' request is not relevant any more
 
-                auto xPaM(std::make_shared<SwPaM>(*rSh.GetCursor(), nullptr)); // tdf#135636 make a copy to use at later apply
-                pDlg->StartExecuteAsync([pDlg, pRequest, pTableRep, &rBindings, &rSh, xPaM](sal_Int32 nResult){
+                auto vCursors = CopyPaMRing(*rSh.GetCursor()); // tdf#135636 make a copy to use at later apply
+                pDlg->StartExecuteAsync([pDlg, pRequest, pTableRep, &rBindings, &rSh, vCursors](sal_Int32 nResult){
                     if (RET_OK == nResult)
                     {
-                        rSh.SetSelection(*xPaM); // tdf#135636 set the table selected at dialog launch as current selection
+                        rSh.SetSelection(*vCursors->front()); // tdf#135636 set the table selected at dialog launch as current selection
 
                         const SfxItemSet* pOutSet = pDlg->GetOutputItemSet();
 
diff --git a/sw/source/uibase/shells/textsh1.cxx b/sw/source/uibase/shells/textsh1.cxx
index 1aae087262d0..a65d7ccebf42 100644
--- a/sw/source/uibase/shells/textsh1.cxx
+++ b/sw/source/uibase/shells/textsh1.cxx
@@ -1072,8 +1072,8 @@ void SwTextShell::Execute(SfxRequest &rReq)
                 auto pRequest = std::make_shared<SfxRequest>(rReq);
                 rReq.Ignore(); // the 'old' request is not relevant any more
 
-                auto xPaM(std::make_shared<SwPaM>(*pPaM, nullptr)); // tdf#134439 make a copy to use at later apply
-                pDlg->StartExecuteAsync([pDlg, &rWrtSh, pRequest, nDefDist, xPaM](sal_Int32 nResult){
+                auto vCursors = CopyPaMRing(*pPaM); // tdf#134439 make a copy to use at later apply
+                pDlg->StartExecuteAsync([pDlg, &rWrtSh, pRequest, nDefDist, vCursors](sal_Int32 nResult){
                     if (nResult == RET_OK)
                     {
                         // Apply defaults if necessary.
@@ -1103,7 +1103,7 @@ void SwTextShell::Execute(SfxRequest &rReq)
                             pSet->Put(SfxStringItem(FN_DROP_CHAR_STYLE_NAME, sCharStyleName));
                         }
 
-                        sw_ParagraphDialogResult(pSet, rWrtSh, *pRequest, xPaM.get());
+                        sw_ParagraphDialogResult(pSet, rWrtSh, *pRequest, vCursors->front().get());
                     }
                     pDlg->disposeOnce();
                 });