Fix compilation for clang 3.7 with libc++

[features.git] / src / Buffer.cpp

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index fdce444aefa313e43a41cf6ce1766ae0f72b9819..c66b730d9d1ddcdcd6c59d586ef68615f88aae0a 100644 (file)
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -4694,7 +4694,7 @@ Buffer::ReadStatus Buffer::loadEmergency()
                "%1$s exists.\n\nRecover emergency save?"), file);
 
        int const load_emerg = Alert::prompt(_("Load emergency save?"), text,
-               0, 2, _("&Recover"), _("&Load Original"), _("&Cancel"));
+               0, 3, _("&Recover"), _("&Load Original"), _("&Only show difference"), _("&Cancel"));
 
        switch (load_emerg)
        {
@@ -4769,6 +4769,22 @@ Buffer::ReadStatus Buffer::loadEmergency()
                return ReadOriginal;
        }
 
+       case 2: {
+               string const f1 = d->filename.absFileName();
+               string const f2 = emergencyFile.absFileName();
+               if (loadThisLyXFile(d->filename) != ReadSuccess)
+                       return ReadCancel;
+               string const par = "compare run-blocking " + quoteName(f1) + " " + quoteName(f2);
+               LYXERR(Debug::FILES, par << "\n");
+               lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
+
+               //release the emergency buffer loaded by compare
+               Buffer * emerBuffer = theBufferList().getBuffer(emergencyFile);
+               if (emerBuffer)
+                       theBufferList().release(emerBuffer);
+
+               return ReadCancel; //Release the buffer of Original immediatelly
+       }
        default:
                break;
        }