mirror of
https://github.com/Apress/foundations-of-pygtk-development.git
synced 2025-07-21 11:51:10 +02:00
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
#!/usr/bin/python3
|
|
|
|
import sys
|
|
import gi
|
|
gi.require_version('Gtk', '3.0')
|
|
from gi.repository import Gtk
|
|
|
|
class ImageLabelButton(Gtk.Button):
|
|
|
|
def __init__(self, orientation=Gtk.Orientation.HORIZONTAL,
|
|
image="image-missing", label="Missing",
|
|
*args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
# now set up more properties
|
|
hbox = Gtk.Box(orientation, spacing=0)
|
|
if not isinstance(image, str):
|
|
raise TypeError("Expected str, got %s instead." % str(image))
|
|
icon_theme = Gtk.IconTheme.get_default()
|
|
icon = icon_theme.load_icon(image, -1,
|
|
Gtk.IconLookupFlags.FORCE_SIZE)
|
|
img = Gtk.Image.new_from_pixbuf(icon)
|
|
hbox.pack_start(img, True, True, 0)
|
|
img.set_halign(Gtk.Align.END)
|
|
if not isinstance(label, str):
|
|
raise TypeError("Expected str, got %s instead." % str(label))
|
|
if len(label) > 15:
|
|
raise ValueError("The length of str may not exceed 15 characters.")
|
|
labelwidget = Gtk.Label(label)
|
|
hbox.pack_start(labelwidget, True, True, 0)
|
|
labelwidget.set_halign(Gtk.Align.START)
|
|
self.add(hbox)
|
|
|
|
class AppWindow(Gtk.ApplicationWindow):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.set_border_width(25)
|
|
button = ImageLabelButton(image="window-close", label="Close")
|
|
button.connect("clicked", self.on_button_clicked)
|
|
button.set_relief(Gtk.ReliefStyle.NORMAL)
|
|
self.add(button)
|
|
self.set_size_request(170, 50)
|
|
|
|
def on_button_clicked(self, button):
|
|
self.destroy()
|
|
|
|
class Application(Gtk.Application):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, application_id="org.example.myapp",
|
|
**kwargs)
|
|
self.window = None
|
|
|
|
def do_activate(self):
|
|
if not self.window:
|
|
self.window = AppWindow(application=self,
|
|
title="ImageLabelButton")
|
|
self.window.show_all()
|
|
self.window.present()
|
|
|
|
if __name__ == "__main__":
|
|
app = Application()
|
|
app.run(sys.argv)
|