lok: MSForms: Add callback for form field button.

Show and hide the button and send the button area, where
it should be displayed.

Change-Id: I5922eb9f5e544483dd4efd12e4218d2e51270632
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93657
Tested-by: Jenkins
Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>

2 files changed, 51 insertions, 2 deletions

diff --git a/sw/source/core/crsr/bookmrk.cxx b/sw/source/core/crsr/bookmrk.cxx
index 14fab9d32da5..0aaa78493e7b 100644
--- a/sw/source/core/crsr/bookmrk.cxx
+++ b/sw/source/core/crsr/bookmrk.cxx
@@ -43,6 +43,10 @@
 #include <svx/numfmtsh.hxx>
 #include <ndtxt.hxx>
 #include <DocumentContentOperationsManager.hxx>
+#include <comphelper/lok.hxx>
+#include <view.hxx>
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
+#include <wrtsh.hxx>
 
 using namespace ::sw::mark;
 using namespace ::com::sun::star;
@@ -521,6 +525,7 @@ namespace sw { namespace mark
 
     DropDownFieldmark::~DropDownFieldmark()
     {
+        SendLOKMessage("hide");
     }
 
     void DropDownFieldmark::ShowButton(SwEditWin* pEditWin)
@@ -531,9 +536,22 @@ namespace sw { namespace mark
                 m_pButton = VclPtr<DropDownFormFieldButton>::Create(pEditWin, *this);
             m_pButton->CalcPosAndSize(m_aPortionPaintArea);
             m_pButton->Show();
+            SendLOKMessage("show");
         }
     }
 
+    void DropDownFieldmark::HideButton()
+    {
+        SendLOKMessage("hide");
+        FieldmarkWithDropDownButton::HideButton();
+    }
+
+    void DropDownFieldmark::RemoveButton()
+    {
+        SendLOKMessage("hide");
+        FieldmarkWithDropDownButton::RemoveButton();
+    }
+
     void DropDownFieldmark::SetPortionPaintArea(const SwRect& rPortionPaintArea)
     {
         if(m_aPortionPaintArea == rPortionPaintArea &&
@@ -546,6 +564,33 @@ namespace sw { namespace mark
             m_pButton->Show();
             m_pButton->CalcPosAndSize(m_aPortionPaintArea);
             m_pButton->Invalidate();
+            SendLOKMessage("show");
+        }
+    }
+
+    void DropDownFieldmark::SendLOKMessage(const OString& sAction)
+    {
+        if (comphelper::LibreOfficeKit::isActive())
+        {
+            if (!m_pButton)
+              return;
+
+            SwEditWin* pEditWin = dynamic_cast<SwEditWin*>(m_pButton->GetParent());
+            if (!pEditWin)
+                return;
+
+            OString sPayload;
+            if (sAction == "show")
+            {
+                sPayload = OStringLiteral("{\"action\": \"show\","
+                           " \"type\": \"drop-down\", \"textArea\": \"") +
+                           m_aPortionPaintArea.SVRect().toString() + "\"}";
+            }
+            else
+            {
+                sPayload = "{\"action\": \"hide\", \"type\": \"drop-down\"}";
+            }
+            pEditWin->GetView().GetWrtShell().GetSfxViewShell()->libreOfficeKitViewCallback(LOK_CALLBACK_FORM_FIELD_BUTTON, sPayload.getStr());
         }
     }
 
diff --git a/sw/source/core/inc/bookmrk.hxx b/sw/source/core/inc/bookmrk.hxx
index 2107b3640616..c156a86c9772 100644
--- a/sw/source/core/inc/bookmrk.hxx
+++ b/sw/source/core/inc/bookmrk.hxx
@@ -279,8 +279,8 @@ namespace sw {
             virtual ~FieldmarkWithDropDownButton() override;
 
             virtual void ShowButton(SwEditWin* pEditWin) = 0;
-            void HideButton();
-            void RemoveButton();
+            virtual void HideButton();
+            virtual void RemoveButton();
 
         protected:
             VclPtr<FormFieldButton> m_pButton;
@@ -295,10 +295,14 @@ namespace sw {
             virtual ~DropDownFieldmark() override;
 
             virtual void ShowButton(SwEditWin* pEditWin) override;
+            virtual void HideButton() override;
+            virtual void RemoveButton() override;
 
             // This method should be called only by the portion so we can now the portion's painting area
             void SetPortionPaintArea(const SwRect& rPortionPaintArea);
 
+            void SendLOKMessage(const OString& sAction);
+
         private:
             SwRect m_aPortionPaintArea;
         };