I took a look at the stackoverflow discussion about this and there is some
sample code there to change colors of individual records in the treeview list.
You can no longer do even and odd colors in CSS but being able to connect a
cell renderer property to a column value can be very useful.
The following gives an error if I use "cell-background" which is stated in the
documentation. Maybe just a typo someplace but "cell_background" seems to work
fine for binding the color column to the cell-background property. You can pass
some common color names or a rgb hex value for a color string.
Maybe a pretty terrible color combo going here but it might be a useful
technique to highlight particular records to bring a users attention to them. A
lot that you can do with a treeview.
Eric
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
class MainWindow(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self, title="Stripes")
self.set_default_size(200, 200)
self.set_position(Gtk.WindowPosition.CENTER)
self.liststore = Gtk.ListStore(str, str)
self.liststore.append(["Apples", "cyan"])
self.liststore.append(["Oranges", "yellow"])
self.liststore.append(["Pears", "cyan"])
self.liststore.append(["Currants", "yellow"])
self.liststore.append(["Gooseberries", "#00ffff"])
self.liststore.append(["Strawberries", "#ffff00"])
self.treeview = Gtk.TreeView(model=self.liststore)
self.treeview.set_vexpand(True)
self.treeview.set_hexpand(True)
self.renderer = Gtk.CellRendererText()
self.renderer.set_property("font", "Arial 16")
self.renderer.set_property("xalign", 0.5)
#Set the column to get the background color from. Need cell_background
instead of cell-background???
self.column = Gtk.TreeViewColumn("Fruit", self.renderer, text = 0,
cell_background = 1)
self.column.set_expand(True)
self.treeview.append_column(self.column)
self.add(self.treeview)
win = MainWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()
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