FLTK 1.4.0
Migrating Code from FLTK 1.3 to 1.4

This appendix describes the differences between the FLTK 1.3.x and FLTK 1.4.x functions and classes.

Migrating from FLTK 1.0 or 1.1 to 1.4

If you want to migrate your code from FLTK 1.0 or 1.1 to FLTK 1.4, then you should first consult the relevant appendices in FLTK 1.3 documentation online or by downloading the FLTK 1.3 documentation. See https://www.fltk.org/doc-1.3/index.html and/or https://www.fltk.org/software.php , respectively.

Minor Changes in Header Files

(to be documented)


Starting with FLTK 1.3, preference databases are expected to be in UTF-8 encoding. Previous databases were stored in the current character set or code page which renders them incompatible for text entries using international characters.

Starting with FLTK 1.4, searching a valid path to store the preferences files has changed slightly. Please see Fl_Preferences::Fl_Preferences(Root, const char*, const char*) for details.

If you want to retain user preferences you may want to move the preferences file from its old location to the new location as documented in Fl_Preferences::Fl_Preferences(Root, const char*, const char*) .

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