Re: Shortcuts text colour and Command Center window problems on Puppy Linux

[Richard Shann]

On Tue, 2020-03-03 at 15:31 +0200, Lib Lists wrote:
> On Mon, 2 Mar 2020 at 20:55, Lib Lists <address@hidden> wrote:
> > 
> > On Mon, 2 Mar 2020 at 14:48, Richard Shann <address@hidden
> > > wrote:
> > > 
> > > On Mon, 2020-03-02 at 14:18 +0200, Lib Lists wrote:
> > > > On Mon, 2 Mar 2020 at 12:08, Richard Shann <address@hidden
> > > > .com>
> > > > wrote:
> > > > > 
> > > > > On Sat, 2020-02-29 at 19:51 +0200, Lib Lists wrote:
> > > > > > 
> > > > > 
> > > > > [...]
> > > > > > > > > The color of the keyboard shortcuts is hard wired,
> > > > > > > > > unfortunately,
> > > > > > > > > and I
> > > > > > > > > see from your picture that it doesn't work well with
> > > > > > > > > themes
> > > > > > > > > that
> > > > > > > > > use a
> > > > > > > > > dark background with light colored lettering. The
> > > > > > > > > menu
> > > > > > > > > background
> > > > > > > > > color
> > > > > > > > > and the color of the labels in the menus is not hard-
> > > > > > > > > wired
> > > > > > > > > by
> > > > > > > > > Denemo
> > > > > > > > > however, so theming should work for them. I've not
> > > > > > > > > explored
> > > > > > > > > how
> > > > > > > > > themes
> > > > > > > > > can be chosen under Gtk though so I can't really go
> > > > > > > > > beyond
> > > > > > > > > saying
> > > > > > > > > it
> > > > > > > > > should work :( Do other Gtk-based applications change
> > > > > > > > > appropriately
> > > > > > > > > on
> > > > > > > > > that virtual machine?
> > > > > > > > 
> > > > > > > > Hi, just tested with Abiword
> > > > > > > 
> > > > > > > is that a Gtk based program (or Qt for example)?
> > > > > > 
> > > > > > Yes it's a Gtk program.
> > > > > 
> > > > > and the background color of pop-up menus in Abiword changes
> > > > > when
> > > > > you
> > > > > change theme but does not in Denemo?
> > > > 
> > > > Sorry my mistake, Abiword behaves like Denemo i.e. only the
> > > > title bar
> > > > changes, while the menus don't. However, Gnumeric works well.
> > > > After
> > > > some research it seems that the installed version of Abiword is
> > > > a
> > > > Gtk3
> > > > program, while Gnumeric (version 1.10.17) is a Gtk2 program.
> > > 
> > > You can build Denemo against Gtk2 but there are some features
> > > that are
> > > not so good. IIRC Gtk3 has switched to using cascading style
> > > sheets (or
> > > some such terminology) where you can specify the style of things
> > > at an
> > > extremely granular level - Denemo is exploiting this internally,
> > > e.g.
> > > to paint the background of the frames differently for the
> > > different
> > > types of Denemo Directive in the Score/Movement/Staff/etc
> > > editors.
> > > Ideally this would be done by providing a style sheet with Denemo
> > > that
> > > the user could then adjust, but, as I say, I haven't delved so
> > > deeply
> > > into how that would work.
> > > I think the installed Gtk3 libraries that you have will include a
> > > variety of styles and something to specify the default, so, short
> > > of
> > > finding a Gtk3 theme chooser program you could directly alter
> > > that
> > > default (probably by putting the choice in some .config file in
> > > your
> > > home directory).
> > 
> > Hi Richard,
> > thank you for your suggestion! I'll give it a try and report.
> 
> Hi,
> I tried to modify various gtk3 .css files but didn't succeed.
> However,
> I noticed that in Abiword's menus the keyboard shortcuts are light
> grey and not dark blue as in Denemo. Otherwise the menu colours are
> exactly the same. Could it be that in Denemo the shortcut colour
> number is hardcoded?

it is - I mentioned this earlier (first sentence above!)

> 
> Talking about colours, is it possible to modify the background colour
> of both the editing
>  and print view windows?

The "editing window" that is, the Denemo Display, can have its color
set from Scheme - I forget the syntax, ask if you need it - while the
Print View is (IIRC) just the default i.e. theme-able.

> 
> Finally, I just noticed that in the version compiled by myself syntax
> highlighting

LilyPond syntax highlighting?

>  doesn't work, while it works in the appimage downloaded
> from Denemo website. Any hint?
The Gtk widget involved is GtkSourceView which has refers to a file
containing the syntax highlighting rules
do you get this warning

g_warning ("No syntax highlighting for LilyPond");

the code doing this stuff is in src/export/exportlilypond.c if that
helps.

HTH

Richard