Gradually typed Link

Turn the Link class into a template abstracting over the link's argument and
return types, but provide default template arguments that keep the generic,
unsafe "void* in, sal_IntPtr out" behvior.  That way, individual uses of the
Link class can be updated over time.

All the related macros are duplicated with ..._TYPED counterparts, that
additionally take the RetType (except for LINK_TYPED, which manages to infer the
relevant types from the supplied Member).

(It would have been attractive to change the "untyped" LinkStubs from taking a
void* to a properly typed ArgType parameter, too, but that would cause
-fsanitize=function to flag uses of "untyped" Link::Call.)

Change-Id: I3b0140378bad99abbf240140ebb4a46a05d2d2f8

1 files changed, 6 insertions, 6 deletions

diff --git a/include/vcl/tabctrl.hxx b/include/vcl/tabctrl.hxx
index 05fd48e9cef7..df8e6ffb6669 100644
--- a/include/vcl/tabctrl.hxx
+++ b/include/vcl/tabctrl.hxx
@@ -49,8 +49,8 @@ private:
     bool                mbRestoreUnqId;
     bool                mbSmallInvalidate;
     bool                mbLayoutDirty;
-    Link                maActivateHdl;
-    Link                maDeactivateHdl;
+    Link<>              maActivateHdl;
+    Link<>              maDeactivateHdl;
 
     using Control::ImplInitSettings;
     SAL_DLLPRIVATE void         ImplInitSettings( bool bFont, bool bForeground, bool bBackground );
@@ -160,10 +160,10 @@ public:
     const OString&      GetHelpId() const
                             { return Control::GetHelpId(); }
 
-    void                SetActivatePageHdl( const Link& rLink ) { maActivateHdl = rLink; }
-    const Link&         GetActivatePageHdl() const { return maActivateHdl; }
-    void                SetDeactivatePageHdl( const Link& rLink ) { maDeactivateHdl = rLink; }
-    const Link&         GetDeactivatePageHdl() const { return maDeactivateHdl; }
+    void                SetActivatePageHdl( const Link<>& rLink ) { maActivateHdl = rLink; }
+    const Link<>&       GetActivatePageHdl() const { return maActivateHdl; }
+    void                SetDeactivatePageHdl( const Link<>& rLink ) { maDeactivateHdl = rLink; }
+    const Link<>&       GetDeactivatePageHdl() const { return maDeactivateHdl; }
 
     // returns (control relative) bounding rectangle for the
     // character at index nIndex relative to the text of page nPageId