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https://github.com/Apress/foundations-of-pygtk-development.git
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80 lines
2.9 KiB
Python
80 lines
2.9 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, 150)
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vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
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self.add(vbox)
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notebook = Gtk.Notebook.new()
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notebook.set_tab_pos(Gtk.PositionType.BOTTOM)
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vbox.pack_start(notebook, False, False, 5)
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label1 = Gtk.Label.new("Page 1")
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label2 = Gtk.Label.new("Page 2")
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label3 = Gtk.Label.new("Page 3")
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label4 = Gtk.Label.new("Page 4")
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button1 = Gtk.Button.new_with_label("Go to Page 2")
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button1.connect("clicked", self.on_notebook_button_clicked, notebook)
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button2 = Gtk.Button.new_with_label("Go to Page 3")
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button2.connect("clicked", self.on_notebook_button_clicked, notebook)
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button3 = Gtk.Button.new_with_label("Go to Page 4")
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button3.connect("clicked", self.on_notebook_button_clicked, notebook)
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button4 = Gtk.Button.new_with_label("Go to Page 1")
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button4.connect("clicked", self.on_notebook_button_clicked, notebook)
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page1 = notebook.append_page(button1, label1)
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page2 = notebook.append_page(button2, label2)
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page3 = notebook.append_page(button3, label3)
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page4 = notebook.append_page(button4, label4)
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buttonbox = Gtk.ButtonBox.new(Gtk.Orientation.HORIZONTAL)
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vbox.pack_start(buttonbox, False, False, 5)
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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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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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