Enable the user to input "file names with spaces" only if LaTeX can

[lyx.git] / src / frontends / xforms / checkedwidgets.h

diff --git a/src/frontends/xforms/checkedwidgets.h b/src/frontends/xforms/checkedwidgets.h
index 1088bbcaa999eefbdabb4c6c39009cc4edc6012d..27885a1b01b3b0372ef5d0ebde42ac99196762aa 100644 (file)
--- a/src/frontends/xforms/checkedwidgets.h
+++ b/src/frontends/xforms/checkedwidgets.h
@@ -18,11 +18,22 @@
 namespace lyx {
 namespace frontend {
 
-void addCheckedLyXLength(BCView & bcview,
-                        FL_OBJECT * input, FL_OBJECT * label = 0);
+class CheckedLyXLength;
+class CheckedGlueLength;
+class CheckedPath;
+
+
+//
+CheckedLyXLength &
+addCheckedLyXLength(BCView & bcview, FL_OBJECT * input, FL_OBJECT * label = 0);
+
+CheckedGlueLength &
+addCheckedGlueLength(BCView & bcview, FL_OBJECT * input, FL_OBJECT * label = 0);
+
+CheckedPath &
+addCheckedPath(BCView & bcview, bool acceptable_if_empty,
+              FL_OBJECT * input, FL_OBJECT * label = 0);
 
-void addCheckedGlueLength(BCView & bcview,
-                         FL_OBJECT * input, FL_OBJECT * label = 0);
 
 class CheckedLyXLength : public CheckedWidget {
 public:
@@ -62,4 +73,49 @@ private:
 } // namespace frontend
 } // namespace lyx
 
+
+// Forward declarations
+class LyXRC;
+
+namespace lyx {
+namespace frontend {
+
+class KernelDocType;
+
+
+class CheckedPath : public CheckedWidget {
+public:
+       /** The label widget's label will be turned red if input
+        *  does not make a valid file path.
+        *  If label == 0, then the label of input will be used.
+        *  If @c acceptable_if_empty is @c true then an empty path
+        *  is regarded as acceptable.
+        */
+       CheckedPath(bool acceptable_if_empty,
+                   FL_OBJECT * input, FL_OBJECT * label = 0);
+
+       /** Define now to perform the check.
+        *  @param doc_type checks are activated only for @c LATEX docs.
+        *  @param lyxrc contains a @c tex_allows_spaces member that
+        *  is used to define what is legal.
+        */
+       void setChecker(lyx::frontend::KernelDocType const & doc_type,
+                       LyXRC const & lyxrc);
+
+private:
+       ///
+       virtual bool check() const;
+
+       ///
+       FL_OBJECT * input_;
+       FL_OBJECT * label_;
+
+       bool acceptable_if_empty_;
+       bool latex_doc_;
+       bool tex_allows_spaces_;
+};
+
+} // namespace frontend
+} // namespace lyx
+
 #endif // CHECKEDWIDGETS_H