wxScintilla - flickers badly on Ubuntu 9.10 + fix

[eranif]

Hi,

As part of a bug report I got from a user about my project, he complained that on the recent ubuntu release (karmic 9.10) the scintilla based editor flickers when 'brace matches' feature is ON (the ability to colour the matched brace in the editor when the caret is located near its sibling)

So as part of my investigation, I installed C::B 8.02 which is available in the ubuntu repositories, and I can confirm that C::B flickers as well.

Here is a youtube video that I first got with the bug reported:

http://www.youtube.com/watch?v=7TipIOQ945A
I can confirm that this bug exist in C::B as well as in wxSTC sample program

The fix is quite simple actually:
in wxscintilla.cpp, in the method: wxScintilla::OnPaint (wxPaintEvent& WXUNUSED(evt))
replace this:

Code Select Expand

wxPaintDC dc(this);
wiht this

Code Select Expand

#ifdef __WXGTK__
// On Mac / Windows there is no real need for this
    wxBufferedPaintDC dc(this);
#else
wxPaintDC dc(this);
#endif


Sorry for not providing patch, but our version of wxscintilla differs in more than just this change
Eran

[ollydbg]

You are so kind and nice!!!

[Jenna]

Applied in trunk.

Many thanks for the patch Eran.

[eranif]

Applied in trunk.

Many thanks for the patch Eran.

Anytime, I will let you guys know If I will fix any other interesting issues that might interest you as well 

Eran

[mandrav]

Applied in trunk.

Many thanks for the patch Eran.

Anytime, I will let you guys know If I will fix any other interesting issues that might interest you as well 

Eran

Gosh, Eran, you 're a life saver
Thanks for this patch.

[gasbank]

That was quite annoying to me, too.
Thanks Eran!!

[choikwa]

Umm... I'm a noob. Can anyone point out for me where to find wxscintilla.cpp file in ubuntu?

[ollydbg]

Umm... I'm a noob. Can anyone point out for me where to find wxscintilla.cpp file in ubuntu?

It is a file Inside the codeblocks' source code.

[choikwa]

Does this mean I have to recompile it from terminal

[Jenna]

Does this mean I have to recompile it from terminal

For what purpose ?
The patch is included in trunk and therefore in the actual release.

[infinigon]

Does this mean I have to recompile it from terminal

Yes, patches are applied directly to source code, which means that if you want to patch Code::Blocks, you must build it again from source code. (Or you can wait for the next nightly build to be released)

[Jenna]

Does this mean I have to recompile it from terminal

Yes, patches are applied directly to source code, which means that if you want to patch Code::Blocks, you must build it again from source code. (Or you can wait for the next nightly build to be released)

For this patch this answer is bullshit, if he does not want to build a really old version of C::B (before revision 5902 from 2009-11-08).
Sorry for the hard words.

That's what I posted before:

Does this mean I have to recompile it from terminal

For what purpose ?
The patch is included in trunk and therefore in the actual release.

[infinigon]

Hahaha. I just noticed the date of this patch.  :lol:

Nevermind. Jens is right. Just go download the latest release and you'll be fine.