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Yet another GUI releated thought
From: |
John W. Eaton |
Subject: |
Yet another GUI releated thought |
Date: |
Thu, 08 May 2008 12:15:32 -0400 |
On 7-May-2008, Søren Hauberg wrote:
| I'm still not convinced that it is necessary to make Octave thread
| safe or similar complicated things to provide a graphical interface to
| Octave. I don't really understand the input handling in Octave, so this
| has been developed in a "Hmmm, I wonder what happens if I press this
| button..." style.
| What I have done is the following:
| In 'src/input.cc' I have added:
|
| // TRUE if the GUI is being used
| bool using_gui = true;
|
| Then later (same file) I have changed the function 'gnu_readline' so it
| reads
|
| if (!using_gui)
| retval = command_editor::readline (s, eof);
| else
| retval = GUI::readline (s, eof);
|
| This is probably the wrong place to do this, but it seems to work
| (haven't tested much, though). The function 'GUI::readline' returns when
| the user pressed Return in the GUI. The GUI is being started in
| 'octave_main' in 'src/octave.cc' in a separate thread.
If the GUI runs in a separate thread and Octave is not thread safe,
then how do you make the GUI responsive while Octave is off doing some
calculation?
| Using this approach the GUI supports partial statements. It does not
| support tab-completion and history searching, and similar. Such things
| will have to be reimplemented in the GUI. I don't think that's much work
| though. Are there any issues with this approach that I'm missing?
Right, so you want to reimplement all the features of GNU readline in
your GUI::readline function?
jwe
- Yet another GUI releated thought, Søren Hauberg, 2008/05/07
- Re: Yet another GUI releated thought, John Swensen, 2008/05/07
- Yet another GUI releated thought,
John W. Eaton <=
- Re: Yet another GUI releated thought, Søren Hauberg, 2008/05/08
- Re: Yet another GUI releated thought, Michael Goffioul, 2008/05/08
- Re: Yet another GUI releated thought, Przemek Klosowski, 2008/05/09
- Re: Yet another GUI releated thought, John W. Eaton, 2008/05/12
- Re: Yet another GUI releated thought, Ryan Rusaw, 2008/05/12
- Re: Yet another GUI releated thought, John Swensen, 2008/05/12
- Re: Yet another GUI releated thought, John W. Eaton, 2008/05/09
- Re: Yet another GUI releated thought, Michael Goffioul, 2008/05/09
- Re: Yet another GUI releated thought, John W. Eaton, 2008/05/12
- Re: Yet another GUI releated thought, Michael Goffioul, 2008/05/13