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STR #776
| Application: | FLTK Library |
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| Status: | 1 - Closed w/Resolution |
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| Priority: | 2 - Low, e.g. a documentation error or undocumented side-effect |
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| Scope: | 3 - Applies to all machines and operating systems |
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| Subsystem: | FLUID |
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| Summary: | fluid always generates non-member function declaration for single word callback |
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| Version: | 1.1.6 |
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| Created By: | duncan.thermal.esa |
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| Assigned To: | matt |
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| Fix Version: | 1.1.7 (SVN: v4534) |
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| Update Notification: | |
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Trouble Report Files:
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| #1 | duncan.thermal.esa
00:26 Mar 29, 2005 |
| example.fl
1k | |
Trouble Report Comments:
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| #1 | duncan.thermal.esa
00:26 Mar 29, 2005 |
| When using fluid 1.1.6 it is possible to enter the name of a callback
function in the properties/C++/callback input area, and fluid will
generate an appropriate extern or static forward declaration of the
callback function. However, when specifying a callback from within a
class rather than make_window(), fluid still generates the declaration
as a non-member function, even if you already defined the static member
function of the same name within the class.
When things go according to plan, this is not a problem because the
non-member function is declared, but not defined and not used. But
when you get it wrong, this declaration is a red herring which sends
you on a wild goose chase trying to work out what option to set in
fluid to give you what you thought you intended...
Problem noted last night on 1.1.6/Cygwin/WinXP
Example.fl generated this morning on 1.1.6/Linux
Cheers
Duncan
PS. I see that Example.fl gives a second "return Fl::run();" too
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| #2 | mike
05:37 Mar 29, 2005 |
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| #3 | mike
18:01 Aug 07, 2005 |
| Does the same problem occur with the current 1.1.x snapshot? | |
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| #4 | duncan.gibson
23:42 Aug 07, 2005 |
| I'm afraid that I haven't installed any of the snapshots yet because I'm in the process of setting up a broadband connection and Linux box at home in my copious spare time, and I hope this box will provide a better programming environment than our old laptop.
But I suppose you will want to know whether the snapshot works on WinXP/SP2 + Cygwin anyway so I will have a look at that tonight and let you know. | |
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| #5 | duncan
12:31 Aug 08, 2005 |
| Just downloaded and installed 1.1.x-r4459.
Unfortunately the single word callback problem still exists.
I like the new coloured headers in the fluid/widget property dialog,
and the new Live mode though. | |
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| #6 | matt
04:31 Aug 23, 2005 |
| Fixed in Subversion repository.
FLUID now checks if the Widget is part of a class, then runs the class looking for a function member with the signature 'static void callback_name(*)'. If it finds that function, it will not generate the 'extern void callback()' line in the header so Duncan will not get confused anymore ;-) | |
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