Mercurial > octave
changeset 32172:71a792dfb05a
Emit warning about use of FLTK toolkit.
* NEWS.9.md: Announce discouragement of FLTK use and recommendation for qt
backend.
* __init_fltk__.cc (fltk_graphics_toolkit): Emit warning from constructor
that fltk toolkit is discouraged.
| author | Rik <rik@octave.org> |
|---|---|
| date | Tue, 27 Jun 2023 12:09:56 -0700 |
| parents | 4555f9918009 |
| children | 984bca088143 |
| files | etc/NEWS.9.md libinterp/dldfcn/__init_fltk__.cc |
| diffstat | 2 files changed, 19 insertions(+), 0 deletions(-) [+] |
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--- a/etc/NEWS.9.md Mon Jun 26 13:18:15 2023 -0700 +++ b/etc/NEWS.9.md Tue Jun 27 12:09:56 2023 -0700 @@ -37,6 +37,10 @@ ### Graphics backend +* The FLTK backend is not maintained and its use is discouraged. The +recommended backend is qt. Enabling the fltk backend with +`graphics_backend fltk` now emits a warning. + * The `set` function now accepts any combination of name/value pairs, cell array of names / cell array of values, or property structures. This change is Matlab-compatible.
--- a/libinterp/dldfcn/__init_fltk__.cc Mon Jun 26 13:18:15 2023 -0700 +++ b/libinterp/dldfcn/__init_fltk__.cc Tue Jun 27 12:09:56 2023 -0700 @@ -2263,6 +2263,21 @@ : octave::base_graphics_toolkit (FLTK_GRAPHICS_TOOLKIT_NAME), m_interpreter (interp), m_input_event_hook_fcn_id () { + static bool warned = false; + + if (! warned) + { + warning_with_id + ("Octave:fltk-graphics", + "using the fltk graphics toolkit is discouraged\n\ +\n\ +The FLTK graphics toolkit is not actively maintained and has a number\n\ +of limitations that are unlikely to be fixed.\n\ +The qt toolkit is recommended instead.\n"); + + warned = true; + } + Fl::visual (FL_RGB); }