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https://github.com/Apress/foundations-of-pygtk-development.git
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76 lines
2.3 KiB
Python
76 lines
2.3 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
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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, 200)
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notebook = Gtk.Notebook.new()
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notebook.set_show_tabs(False)
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for i in range(0, 4):
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label = Gtk.Label.new("Tab")
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button = Gtk.Button.new_with_mnemonic("_Next Tab")
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expander = Gtk.Expander.new("You Are Viewing Tab %s" % str(i+1))
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expander.set_expanded(True)
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expander.add (button)
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notebook.append_page(expander, label)
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expander.set_border_width(10)
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button.connect("clicked", self.on_notebook_button_clicked, notebook)
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buttonbox = Gtk.ButtonBox.new(Gtk.Orientation.HORIZONTAL)
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button_prev = Gtk.Button.new_with_label("Previous Page")
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button_prev.connect("clicked", self.on_button_prev_clicked, notebook)
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button_close = Gtk.Button.new_with_label("Close")
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button_close.connect("clicked", self.on_button_close_clicked)
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buttonbox.pack_end(button_prev, False, False, 5)
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buttonbox.pack_end(button_close, False, False, 5)
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paned = Gtk.Paned.new(Gtk.Orientation.VERTICAL)
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paned.pack1(notebook, True, False)
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paned.pack2(buttonbox, True, False)
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self.add(paned)
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def on_notebook_button_clicked(self, button, notebook):
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nextpage = notebook.props.page + 1
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if nextpage == 4:
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nextpage = 0
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notebook.set_current_page(nextpage)
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def on_button_prev_clicked(self, button, notebook):
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nextpage = notebook.props.page - 1
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if nextpage == -1:
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nextpage = 3
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notebook.set_current_page(nextpage)
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def on_button_close_clicked(self, button):
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self.destroy()
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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, title="Notebook")
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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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