Hmm. ‘:column-header’ doesn’t work at all for me in either Mac or Linux. (well, 
nothing about the header is working in Mac for me at the moment, might be a Gtk 
version thing)

On Linux, with gtk-3.18, the following works for the entire column-header row:

#account_tree > GtkButton
#account_tree GtkButton
#account_tree .button
#account_tree column-header GtkButton
#account_tree column-header > GtkButton
#account_tree column-header .button

Neither ‘#account_tree column-header’ by itself, nor placing the direct child 
selector ‘>’ or the pseudo selector ‘:’ between #account_tree and column header 
works in any combination by themselves, or with GktButton/.button. That tells 
me column-header is a child of #account_tree, just not the first one. (can’t 
seem to find what that is though) It’s also not a pseudo selector because it 
fails to render.

Regards,
Adrien


> On Jul 31, 2018, at 10:32 PM, GT-I9070 H <gti90...@gmail.com> wrote:
> 
> I figured you thought that! :)
> 
> Em ter, 31 de jul de 2018 às 20:53, Adrien Monteleone 
> <adrien.montele...@lusfiber.net> escreveu:
> Ah yes, I tested that too. I thought you meant the arrow pointer itself.
> 
> Regards,
> Adrien
> 
> > On Jul 31, 2018, at 5:48 PM, GT-I9070 H <gti90...@gmail.com> wrote:
> > 
> > Excuse me, this works fine:
> > 
> > #account_tree:selected {
> >   color: white;
> >   background-color: steelblue;
> > }
> > 
> > Regards
> > GTI
> > 
> > Em ter, 31 de jul de 2018 às 16:25, GT-I9070 H <gti90...@gmail.com> 
> > escreveu:
> > It would be interesting also to stylize the account sheet cursor.
> > 
> > Regards
> > GTI
> > 
> > Em ter, 31 de jul de 2018 às 16:02, Adrien Monteleone 
> > <adrien.montele...@lusfiber.net> escreveu:
> > Hmm...
> > 
> > It was working using the GtkInspector, and with the css file Linux. But 
> > when I try similar selectors via css on MacOS (which I normally use) they 
> > don’t work at all. (just the header stuff that is) I’ll have to investigate 
> > more.
> > 
> > Regards,
> > Adrien
> > 
> > > On Jul 31, 2018, at 2:42 PM, GT-I9070 H <gti90...@gmail.com> wrote:
> > > 
> > > Hi Adrien,
> > > 
> > > This does not work:
> > > 
> > > #account_tree column-header {
> > >       color: lime;
> > > }
> > > 
> > > Am I writing something wrong?
> > > 
> > > Regards
> > > GTI
> > > 
> > > Em ter, 31 de jul de 2018 às 14:38, Adrien Monteleone 
> > > <adrien.montele...@lusfiber.net> escreveu:
> > > GTI,
> > > 
> > > You could test the font-family rule by changing it to something obviously 
> > > different, like serif, monospaced, or say ‘Comic Sans’. (I suppose it’s 
> > > useful at least for this) I just revamped my css from the old gtkrc 
> > > method from 2.6.x and it picked up the font rules just fine.
> > > 
> > > I found the header selectors.
> > > 
> > > So here is the hierarchy:
> > > 
> > > GncTreeViewAccount (id=“account_tree”) > column-header > GtkButton 
> > > (class=“button”) > GtkBox > GtkAlignment > GtkLabel (class=“label”)
> > > 
> > > GncTreeViewAccount affect the entire tab contents.
> > > column-header affects the entire header.
> > > GtkButton affects each section of the header.
> > > GtkBox affects only the portion of the header cell that contains text and 
> > > white space. (Does not include separators or margins)
> > > GtkAlignment affects only the portion of GtkBox that contains actual text 
> > > characters. (GtkBox minus padding)
> > > GtkLabel is the text itself.
> > > 
> > > Thus if you want to style the entire header bar you could use:
> > > 
> > > #account_tree column-header
> > > 
> > > #account_tree column-header GtkButton/button will target only the first 
> > > header. (you can use the :x-child pseudo selectors for the others)
> > > 
> > > #account_tree column-header .button targets all header buttons seems to 
> > > have the same effect as if you hadn’t specified the class as in the first 
> > > instance.
> > > 
> > > #account_tree column-header GtkLabel/label targets only the first header 
> > > label. (same as button)
> > > 
> > > #account_tree column-header .label targets all header labels.
> > > 
> > > 
> > > Note, ‘column-header’ for some reason doesn’t appear to be specifically 
> > > necessary at least in gtk-3.18, but it’s probably a good idea to include 
> > > it. It seems all of the accounts are also GtkButton nodes with GtkLabels, 
> > > but they don’t seem to change on the declarations when I don’t include 
> > > column-header for some reason. Perhaps this is a code issue as noted in a 
> > > previous reply. Since this might change, I’d say it’s safer to specify 
> > > buttons/labels as children of column-header for future durability.
> > > 
> > > Since including column-header is more specific, it shouldn’t matter the 
> > > cascade order as it will take precedence over plain #account_tree rules.
> > > 
> > > Regards,
> > > Adrien
> > > 
> > > 
> > > > On Jul 31, 2018, at 12:17 PM, GT-I9070 H <gti90...@gmail.com> wrote:
> > > > 
> > > > Thanks  Adrien ,
> > > > 
> > > > I'm with my smartphone bricked and I stopped Flash it to test GnuCash.
> > > > 
> > > > I tested this on Windos 10:
> > > > 
> > > > /* Account sheet font settings */
> > > > #account_tree {
> > > >   font-family: Arial;
> > > >   font-size: 15;
> > > >   color: blue;
> > > >   background-color: #1C2833;
> > > >   padding: 1px;
> > > >   letter-spacing: 5px;
> > > > }
> > > > 
> > > > #account_tree:selected {
> > > >   color: white;
> > > > }
> > > > 
> > > > /* Tab font color */
> > > > notebook tab label {
> > > >   color: blue; 
> > > > }
> > > > 
> > > > and it worked the first time. I'm not sure if "font-family: Arial;" 
> > > > worked, but I'm sure it did not block the .css.
> > > > 
> > > > Only "letter-spacing: 5px;" changed the column header.
> > > > 
> > > > Now we just need to customize the column header.
> > > > 
> > > > Regards
> > > > GTI
> > > > 
> > > > Em ter, 31 de jul de 2018 às 02:25, Adrien Monteleone 
> > > > <adrien.montele...@lusfiber.net> escreveu:
> > > > Follow-up:
> > > > 
> > > > I’m not sure what was wrong the first time, but the following does work 
> > > > for all text on the CoA tab but does not change the header row:
> > > > 
> > > > #account_tree {
> > > >   color: *your-color-here*;
> > > > }
> > > > 
> > > > #account_tree:selected {
> > > >   color: *other-color-here*;
> > > > }
> > > > 
> > > > If there was a need to address the GtkLabels directly, that doesn’t 
> > > > seem possible. According to the spec, it should be to style the node by 
> > > > type, but it isn’t working. (at least in 3.18)
> > > > 
> > > > The class ‘label’ is also not working properly. It seems to only apply 
> > > > to toolbar button labels and the header row of the CoA table.
> > > > 
> > > > Using the GtkInspector, I added the label class to the 
> > > > GtkTreeViewAccountView widget and it worked properly though. So perhaps 
> > > > the code needs to somehow include this for it to work. (my reading of 
> > > > the Gtk-css reference doesn’t seem to make this clear, with the 
> > > > impression that one can specify a node or a label regardless)
> > > > 
> > > > There should probably be something on the wiki documenting this, as 
> > > > well as all the relevant selectors. (some are documented on Git as part 
> > > > of a sample css file) If I have page permissions I’ll start one, but if 
> > > > not I’ll have to file a wiki bug and wait for it to be created.
> > > > 
> > > > Regards,
> > > > Adrien
> > > > 
> > > > 
> > > > > On Jul 30, 2018, at 5:04 PM, Adrien Monteleone 
> > > > > <adrien.montele...@lusfiber.net> wrote:
> > > > > 
> > > > > This is proving to be more difficult than it probably should be. 
> > > > > Unfortunately, there is very little documentation on using 
> > > > > GtkInspector, and it seems the tool was designed for people who are 
> > > > > doing the coding of the app and are ‘inyoursleep’ familiar with the 
> > > > > GUI elements and objects used.
> > > > > 
> > > > > However, I’ve managed something that might be useful.
> > > > > 
> > > > > Try:
> > > > > 
> > > > > #account_tree {
> > > > >  color: *your-color-here*;
> > > > > }
> > > > > 
> > > > > This should change the base color of the text for the entire tree, 
> > > > > including the column headers.
> > > > > 
> > > > > You can use other common css rules here such as background-color, 
> > > > > font-family, font-size, letter-spacing, padding, etc.
> > > > > 
> > > > > The account names themselves (and their related text in sibling 
> > > > > columns) are likely either class “label” or “GtkLabel” (depending on 
> > > > > Gtk version, 3.20 is the former, 3.18 the latter) but specifying this 
> > > > > class instead of the ID for the entire tree doesn’t seem to do 
> > > > > anything. (I’m on 3.18 using Ubuntu 16.04, but I tried both with no 
> > > > > result) You might have better luck. Ideally, I’d rather style classes 
> > > > > than IDs, especially since in this case, the ID includes the column 
> > > > > headers.
> > > > > 
> > > > > An additional complication is that the tree-view has identical nodes 
> > > > > for pretty much everything under it and the inspector doesn’t seem to 
> > > > > let me select any particular account label with any specificity or 
> > > > > figure out which node in the tree is which one I’m looking at on 
> > > > > screen. (I understand specificity for the web, but building a unique 
> > > > > selector seems a little different in GTK) I can only select the 
> > > > > entire tree at once.
> > > > > 
> > > > > The above might also pose an issue because a selected account would 
> > > > > need different background and font colors. The inspector is supposed 
> > > > > to show a ’selected’ node that might be useful here, but since I 
> > > > > can't figure out which child GtkLabel belongs to what, I’m not seeing 
> > > > > that particular ’selected’ node.  I’ll keep trying and poking around 
> > > > > though.
> > > > > 
> > > > > Hope that helps.
> > > > > 
> > > > > Regards,
> > > > > Adrien
> > > > > 
> > > > >> On Jul 26, 2018, at 7:27 PM, GT-I9070 H <gti90...@gmail.com> wrote:
> > > > >> 
> > > > >> One file for everything is better.
> > > > >> 
> > > > >> In my .ini file there is only one section and one line to change the 
> > > > >> text size of the accounts page because it was the only method I 
> > > > >> found and worked, the .css method for this fails. For everything 
> > > > >> else I use .css, I've customized the registry with .css.
> > > > >> 
> > > > >> For tabs I already got change color and font.
> > > > >> 
> > > > >> I had already done searches on the list and I was not lucky.
> > > > >> 
> > > > >> Of course we can wait, without problems, meanwhile I'll keep trying.
> > > > >> 
> > > > >> 
> > > > >> Regards
> > > > >> GTI
> > > > >> 
> > > > > 
> > > > 
> > > > 
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