Adds some convenience methods.

fl_filename_absolute can no generate a path using arbitrary source paths.
Fl_Menu_ adds find_item_with_user_data and find_item_with_argument
Fl_String adds find(string, start)

1 files changed, 15 insertions, 0 deletions

diff --git a/src/Fl_String.cxx b/src/Fl_String.cxx
index 693a88286..e285519ff 100644
--- a/src/Fl_String.cxx
+++ b/src/Fl_String.cxx
@@ -466,6 +466,21 @@ Fl_String &Fl_String::operator+=(char c) {
 }
 
 /**
+ Find a string inside this string.
+ \param[in] needle    find this string
+ \param[in] start_pos start looking at this position
+ \return the offset of the text inside this string, if it was found
+ \return Fl_String::npos if the needle was not found
+ */
+int Fl_String::find(const Fl_String &needle, int start_pos) const {
+  if ((start_pos < 0) || (start_pos >= size_)) return npos;
+  const char *haystack = data() + start_pos;
+  const char *found = strstr(haystack, needle.c_str());
+  if (!found) return npos;
+  return (int)(found - data());
+}
+
+/**
  Replace part of the string with a C-style string or data.
  \param[in] at    erase and insert at this index
  \param[in] n_del number of bytes to erase