[GNC] Change text color

[Peter Jackson]

Adrien,
I am not, and have tried and failed.
I'll just have to be content with the changes that I have made.

Many thanks for your help, and you GTI.
Regards

pj


On 6 August 2018 at 19:03, Adrien Monteleone <adrien.monteleone at lusfiber.net
> wrote:

> Peter & GTI,
>
> How familiar are you with CSS for the web?
>
> If not very much, it would help tremendously to do some tutorials online
> on how that works.
>
> Gtk CSS follows some of the same rules, but not in exactly the same way.
> The basic principles are the same however.
>
> The screenshots are showing you the Gtk version of a ‘DOM tree’ which is a
> tree of the HTML elements on a web page that you can style.
>
> The app’s window is the main node in the tree. Each major element in that
> window will be a child element and so on. Nodes of type GtkBox seem to be
> widely used and are probably analogous to HTML’s <div> elements as generic
> blocks.
>
> The Classes column will allow you to target multiple items in multiple
> places. (if they have that class assigned to them) This would be like a
> rule for footnotes such as ‘p.footnote {}’ or just ‘.footnote {}’
>
> The Name column is analogous to ‘id’ in HTML. So you can target a very
> specific element—e.g., ‘div#main_nav {}’ or just ‘#main_nav {}) especially
> since there can be only one of each id on a page. (HTML also uses ’name’
> and it is I think interchangeable with ‘id’ and I believe ‘id’ is being
> deprecated in favor of ’name’)
>
> Otherwise, you use the node types like GtkBox and Gtklabel similar to how
> you would style <h1> or <p> HTML elements.
>
> If you want to target a generic node type or widely used class for an
> element, but only on a certain page (tab) then you need to preface this
> rule with the class or id for that tab—e.g., '.GncRegisterPage’ as the
> first selector in a rule that you want to ONLY apply on register pages, but
> ‘#account-tree’ id for rules you only want to apply on the CoA page. (if
> the CoA had a specific class to target, you could use that, but the devs
> chose to name it instead, the reverse for the GncRegisterPage, but that’s
> probably because there is only one CoA but you can have multiple registers
> open at once)
>
> If there are no other general methods, you might have to get very specific
> and use one or more of the child selectors. So '.GncRegisterPage > GtkBox
> {}' will target a GtkBox element that is a direct descendent (child) of any
> element with the class ‘.GncRegisterPage’. If you don’t use the ‘>’
> selector, then the rule would apply to ANY descendent (even grandchildren
> and beyond) that is of type GtkBox.
>
> The major issue I’ve discovered in this thread per John Rall’s comment
> last week was that Gtk CSS is not like Web CSS. On the web, if your rule
> CAN be implemented, it will, even if the browser has to guess or
> extrapolate the result. But for Gtk, either you get it exactly right, or
> you see no change. Compound this with not every element can have every
> property altered (and there doesn’t seem to be a list of what is
> implemented yet) and most of it becomes a guessing game of trial and error.
> (with the Web, you can set a font property on a div, not just the <p>
> elements within it. But it seems with Gtk, you can only adjust font
> properties on ‘label’ and not the ‘button’ or ‘GtkBox’ which contains the
> labels)
>
> Since you are both using Windows, your path is not as easy. I don’t see
> any helpful info on using GtkInspector on Windows even though you have Gtk
> installed there via GnuCash. There are ways to install Gtk directly by
> itself, but this will most likely involve the Windows Subsystem for Linux,
> and maybe even running GnuCash in that same subsystem since it’s a sandbox.
> It is probably easier to just install a virtual machine running a very up
> to date Linux distro and install GnuCash there and inspect it accordingly.
> To have a fair shot at your rules working in both Linux and Windows, you’d
> need to make sure your Linux Gtk version is the same, which in this case is
> 3.22.30. And after all that work, probably just easier to run GnuCash in
> that vm all the time.
>
> I hope that helps sheds some light on the task.
>
> Regards,
> Adrien
>
> > On Aug 6, 2018, at 12:03 PM, Peter Jackson <jackson at fastmail.net> wrote:
> >
> > This works for me on the Totals bar at the foot of a register:-
> >
> > .GncRegisterPage  {
> >  background-color: aliceblue;
> >  color: green;
> > }
> >
> > As for the screenshots, they are beyond my comprehension.
> > Thanks
> > pj
> >
> >
> >
> > On 6 August 2018 at 17:25, Adrien Monteleone <
> adrien.monteleone at lusfiber.net> wrote:
> > By definition, a class is not particularly specific. It applies to
> multiple elements.
> >
> > You’d need to use a rule that targets the desired element(s) better.
> >
> > If you mean the bar that has “Present” “Future” “Cleared” “Reconciled”
> and “Projected Minimum” then I’ve attached a screenshot for that node tree.
> >
> > In my case, it’s at the top. (I don’t see a preference for reversing
> this)
> >
> > GtkBox.GncRegisterPage has two children, the first is a GtkBox that
> holds the totals bar (if on top) and the second is the GNCSplitReg which
> holds the actual register.
> >
> > Under the first GtkBox are the five child GtkBox nodes that hold each
> total. And each of those has two GtkLabel children, one for the title and
> one for the actual total.
> >
> > So you probably want to do something like:
> >
> > .GncRegisterPage > GtkBox label {}
> >
> > for the text of the bar and for the bar itself (colors perhaps):
> >
> > .GncRegisterPage > GtkBox {}
> >
> > Regards,
> > Adrien
> >
> > > On Aug 6, 2018, at 11:02 AM, GT-I9070 H <gti9070h at gmail.com> wrote:
> > >
> > > Em seg, 6 de ago de 2018 às 10:43, Peter Jackson <jackson at fastmail.net
> >
> > > escreveu:
> > >
> > >> Thanks, but is there not something missing here? to specify the bar.
> > >> Regards
> > >> pj
> > >>
> > >
> > > Apparently yes, but for me it works, test and report your results.
> > > Some selectors are like that, appear to be unspecific, see some for the
> > > register, something seems to be missing.
> > >
> > >
> > > Regards
> > > GTI
> > >
> >
> >
> >
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