On Tue, 10 Sep 2013 21:53:59 -0300 Lucas De Marchi
<lucas.demar...@profusion.mobi> said:

> On Tue, Sep 10, 2013 at 2:45 PM, Robert Heller <hel...@deepsoft.com> wrote:
> > At Tue, 10 Sep 2013 17:51:38 +0100 Michael Blumenkrantz
> > <michael.blumenkra...@gmail.com> wrote:
> >
> >>
> >> On Tue, 10 Sep 2013 12:34:21 -0400
> >> Robert Heller <hel...@deepsoft.com> wrote:
> >>
> >> > I am in the process of modifying E17 (I want to add so additional
> >> > functionality to the file manager).  One of the things I need to be able
> >> > to do is have a 'modal' dialog, that is a dislog box that grabs the
> >> > focus and causes the program (the file manager) to wait.  I want events
> >> > to be processed, but I want psuedo code like this:
> >> >
> >> >    dialog = make_dialog(...);
> >> >    show(dialog);
> >> >    wait_for(dialog);
> >> >
> >> > The 'wait_for()' call would not return until the OK button or Cancel
> >> > (close) button on the dialog has been clicked.  It is not clear how to
> >> > do this -- the documentation does not seem to cover this case (or I
> >> > can't it in the documentation).
> >> >
> >> > Any pointers would be helpful.  Thanks in advance.
> >> >
> >>
> >> yeahhh you can't do that.
> >>
> >> what you CAN do is something like the
> >> uhh...modules/conf_theme/e_int_config_wallpaper.c dialog does. you set the
> >> parent dialog (though make sure you do this AFTER you show both dialogs or
> >> it won't work) to set up your modal: the first param is your intended
> >> modal, the second is the parent window which is getting blocked. then you
> >> can basically just wait for the modal to die and you'll know that there
> >> will be no events on the parent.
> >>
> >> I'll say this, however: we STRONGLY discourage the use of modal dialogs in
> >> e. unless you have a really good reason for it, I'm unlikely to accept any
> >> patches which introduce modal dialogs.
> >
> > Yes, I fully understand the 'evils' of modal dialogs, but there are times
> > when it is the only option. In this case I am interfacing to a library that
> > has a callback that wants some input (a passphrase) and I cannot just
> > return without the passphrase and I don't know (in advance) if the
> > passphrase is even needed or what the hint for the passphrase is (this info
> > gets passed into the callback). And the callback might be called again if
> > the passphrase is wrong. I may implement this with a subprocess, but then
> > the subprocess itself will need to have a modal dialog. I am only
> > interested a *local* type modal dialog.
> 
> If you know the evils of modal dialogs:  back in 2010 when working in
> webkit I remember opening another mainloop for doing modal dialogs.
> Then spending a day to fix nested mainloops in EFL. Things might be
> better these days.

you poor bastard :(


-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ras...@rasterman.com


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