On Sat, 2018-03-10 at 14:26 +0100, codemusi...@gmail.com wrote:
> Hi there,
> 
> I'm trying to change the background-color of a GtkTreeView by adding
> a
> css provider with the following style set:
> 
>     treeview { background-color: #fffae1; }
> 
> Unfortunately this has the effect that the row selection color
> changes
> from the default blue to this particular background color as well.
> 
> Note that I'm aware that I can change the background color of
> individual rows. However, I want to change the color of the entire
> widget including the whitespace.
> 
> I can't figure out how to prevent the row selection color from
> changing
> as well.
> 
> Any help would be greatly appreciated.
> 
> 

GTK3?

grep -C3 "treeview.view.selected" .config/gtk-3.0/gtk-default.css
    -GtkTreeView-tree-line-width: 1;
    -GtkTreeView-tree-line-pattern: '';
    -GtkTreeView-expander-size: 16; }
  treeview.view:selected:focus, treeview.view:selected {
    border-radius: 0; }
  treeview.view:selected:backdrop, treeview.view:selected {
    border-left-color: #a5c8ec;
    border-top-color: rgba(46, 52, 54, 0.1); }
  treeview.view:disabled {
--
textview text selection:focus,
textview text selection, flowbox flowboxchild:selected,
spinbutton:not(.vertical) selection,
entry selection, modelbutton.flat:selected,
.menuitem.button.flat:selected, treeview.view:selected:focus,
treeview.view:selected, row:selected, calendar:selected {
  background-color: #4a90d9; }
  row:selected label, label:selected, .selection-mode
button.titlebutton, .view:selected:focus, iconview:selected:focus,
.view:selected, iconview:selected,
  .view text:selected:focus,
--

I assume that after changing complete background, you have to set
background for selected again. Above #4a90d9 looks like that color. You
have to find out how to do it exactly yourself.

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