mirror of
https://github.com/Apress/foundations-of-pygtk-development.git
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69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
#!/usr/bin/python3
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import sys
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, Gdk, GObject
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clr = ( "00", "33", "66", "99", "CC", "FF" )
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COLOR = 0
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class AppWindow(Gtk.ApplicationWindow):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.set_border_width(10)
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self.set_size_request(250, 175)
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treeview = Gtk.TreeView.new()
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self.setup_tree_view(treeview)
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store = Gtk.ListStore.new((GObject.TYPE_STRING,
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GObject.TYPE_STRING, GObject.TYPE_STRING))
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for var1 in clr:
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for var2 in clr:
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for var3 in clr:
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color = "#" + var1 + var2 + var3
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iter = store.append()
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store.set(iter, (COLOR,), (color,))
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treeview.set_model(store)
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scrolled_win = Gtk.ScrolledWindow.new(None, None)
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scrolled_win.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
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scrolled_win.add(treeview)
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self.add(scrolled_win)
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def setup_tree_view(self, treeview):
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renderer = Gtk.CellRendererText.new()
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column = Gtk.TreeViewColumn.new()
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column.pack_start(renderer, True)
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column.add_attribute(renderer, "text", COLOR)
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column.set_title("Standard Colors")
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treeview.append_column(column)
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column.set_cell_data_func(renderer, self.cell_data_func, None)
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def cell_data_func(self, column, renderer, model, iter, data):
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# Get the color string stored by the column and make it the foreground color.
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(text,) = model.get(iter, COLOR)
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renderer.props.foreground_rgba = Gdk.RGBA(red=1.0, green=1.0, blue=1.0, alpha=1.0)
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red = int(text[1:3], 16) / 255
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green = int(text[3:5], 16) / 255
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blue = int(text[5:7], 16) / 255
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renderer.props.background_rgba = Gdk.RGBA(red=red, green=green, blue=blue, alpha=1.0)
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renderer.props.text = text
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class Application(Gtk.Application):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, application_id="org.example.myapp",
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**kwargs)
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self.window = None
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def do_activate(self):
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if not self.window:
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self.window = AppWindow(application=self,
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title="Color List")
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self.window.show_all()
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self.window.present()
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if __name__ == "__main__":
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app = Application()
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app.run(sys.argv)
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