I can't find what is going on with Matrix on my system. Even tried to change 
desktop theme, it doesn't fix. 
I saw I was on GTK 3.20 (so there was a mistake in the version I mentionned 
before), maybe it's related ?

Thank you for tests ! 
   Le lundi 1 juillet 2019 à 00:28:47 UTC+2, Antonio Scuri 
<antonio.sc...@gmail.com> a écrit :  
 
   Hi,
  I just installed Mint 18.3 and compiled IUP. GTK is 3.18.
  I didn't see the warnings in IupVal. 
  Can tel about the IupPlot performance.
  And IupMatrix worked ok. I was able to edit values and see the characters I 
typed during edition. See the following screenshots: 
Before editing  
During editing
Best,Scuri



Em ter, 25 de jun de 2019 às 13:43, Johann Philippe <johannphili...@yahoo.fr> 
escreveu:

 Let me know if you find something about the matrix. 

And yes, for the plot, I upgraded from GTK2 to 3 with the last IUP update. I 
was using an older version until that. It might be related. 

Thanks

    Le mardi 25 juin 2019 à 18:21:01 UTC+2, Antonio Scuri 
<antonio.sc...@gmail.com> a écrit :  
 
  That's just the major GTK version... 
  Anyway I'm downloading the Linux mint 18.3, because I would like to see the 
IupMatrix problem. This was reported before and I have no idea what's going on.
  Regarding to IupPlot, there were no changes. Unless you moved from GTK2 to 
GTK3 also when upgrading your own system. IupPlot uses Cairo to draw even on 
earlier versions, and that has not changed.
  That warning can be ignored. We don't use the GTK layout system and sometimes 
GTK doesn't like that. We don't do anything during mouse move, this is an 
internal issue in GTK.
Best,Scuri

Em ter, 25 de jun de 2019 às 12:14, Johann Philippe <johannphili...@yahoo.fr> 
escreveu:

 Gtk version is 3.0. 
My system is Linux mint 18.3 (...i should update soon).

    Le mardi 25 juin 2019 à 16:56:15 UTC+2, Antonio Scuri 
<antonio.sc...@gmail.com> a écrit :  
 
   Hi,
  Can you report more details about your system? Do you know which gtk version?
Best,Scuri
Em ter, 25 de jun de 2019 11:49, Johann Philippe via Iup-users 
<iup-users@lists.sourceforge.net> escreveu:

Hello,Since I updated to last IUP version, there are a few modifications with 
the behavior of some widgets : 
-IupMatrix : when writing into a cell, it only displays the content after 
leaving the cell. The last version used to display it after every key pressed. 
Is there an attribute to modify that ? Or do I need to use the k_any callback ? 
-IupPlot : Nativeplus graphicsmode is much slower than it used to be (same 
problem for Native). I had to switch to OpenGL which appears to be faster. I 
guess there's nothing else to do ?
-IupVal : GTK warnings when the mouse moves around the slider area (maybe it's 
motion_cb ? ).  Here is the warning : (simple_sine:11316): Gtk-WARNING **: 
Negative content width -2 (allocation 0, extents 1x1) while allocating gadget 
(node highlight, owner GtkScale)

Any idea ? 


Thanks,Johann
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