Avoid duplicating mode changing commands

[lyx.git] / src / output_latex.cpp

diff --git a/src/output_latex.cpp b/src/output_latex.cpp
index 370b7a0842e75d010b10d11e9c9358e9831e165b..f5c6a10888bae07547d420bf81af19d971a6059d 100644 (file)
--- a/src/output_latex.cpp
+++ b/src/output_latex.cpp
@@ -29,12 +29,15 @@
 #include "insets/InsetBibitem.h"
 #include "insets/InsetArgument.h"
 
+#include "frontends/alert.h"
+
 #include "support/lassert.h"
 #include "support/convert.h"
 #include "support/debug.h"
 #include "support/lstrings.h"
 #include "support/lyxalgo.h"
 #include "support/textutils.h"
+#include "support/gettext.h"
 
 #include <QThreadStorage>
 
@@ -1178,6 +1181,8 @@ void latexParagraphs(Buffer const & buf,
        bool already_title = false;
        DocumentClass const & tclass = bparams.documentClass();
 
+       // Did we already warn about inTitle layout mixing? (we only warn once)
+       bool gave_layout_warning = false;
        for (; pit < runparams.par_end; ++pit) {
                lastpit = pit;
                ParagraphList::const_iterator par = paragraphs.constIterator(pit);
@@ -1189,9 +1194,15 @@ void latexParagraphs(Buffer const & buf,
 
                if (layout.intitle) {
                        if (already_title) {
-                               LYXERR0("Error in latexParagraphs: You"
-                                       " should not mix title layouts"
-                                       " with normal ones.");
+                               if (!gave_layout_warning) {
+                                       gave_layout_warning = true;
+                                       frontend::Alert::warning(_("Error in latexParagraphs"),
+                                                       bformat(_("You are using at least one "
+                                                         "layout (%1$s) intended for the title, "
+                                                         "after using non-title layouts. This "
+                                                         "could lead to missing or incorrect output."
+                                                         ), layout.name()));
+                               }
                        } else if (!was_title) {
                                was_title = true;
                                if (tclass.titletype() == TITLE_ENVIRONMENT) {