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https://github.com/Apress/foundations-of-pygtk-development.git
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61 lines
2.0 KiB
Python
61 lines
2.0 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(-1, -1)
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textview = Gtk.TextView.new()
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entry = Gtk.Entry.new()
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insert_button = Gtk.Button.new_with_label("Insert Text")
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retrieve = Gtk.Button.new_with_label("Get Text")
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insert_button.connect("clicked", self.on_insert_text, (entry, textview))
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retrieve.connect("clicked", self.on_retrieve_text, (entry, textview))
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scrolled_win = Gtk.ScrolledWindow.new(None, None)
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scrolled_win.add(textview)
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hbox = Gtk.Box.new(Gtk.Orientation.HORIZONTAL, 5)
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hbox.pack_start(entry, True, True, 0)
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hbox.pack_start(insert_button, True, True, 0)
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hbox.pack_start(retrieve, True, True, 0)
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vbox = Gtk.Box.new(Gtk.Orientation.VERTICAL, 5)
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vbox.pack_start(scrolled_win, True, True, 0)
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vbox.pack_start(hbox, True, True, 0)
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self.add(vbox)
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self.show_all()
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def on_insert_text(self, button, w):
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buffer = w[1].get_buffer()
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text = w[0].get_text()
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mark = buffer.get_insert()
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iter = buffer.get_iter_at_mark(mark)
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buffer.insert(iter, text, len(text))
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def on_retrieve_text(self, button, w):
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buffer = w[1].get_buffer()
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(start, end) = buffer.get_selection_bounds()
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text = buffer.get_text(start, end, False)
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print(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, title="Text Iterators")
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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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