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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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import os
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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, Gio, GdkPixbuf
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class Handler:
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def on_window_destroy(self, window):
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window.close()
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def on_dialog_close(self, widget, *event):
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widget.hide_on_delete()
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return True
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def on_filechooser_dialog_response(self, widget, response):
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if response == -6:
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print("Cancel")
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elif response == -5:
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print("File selection: {}".format(widget.get_filename()))
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self.on_dialog_close(widget)
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def on_filechooser_dialog_file_activated(self, widget):
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self.on_filechooser_dialog_response(widget, -5)
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def on_filechooser_dialog_update_preview(self, widget):
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if widget.get_filename() != None and os.path.isfile(widget.get_filename()):
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pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(widget.get_filename(),
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200,
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200,
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True,
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)
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app.obj("preview").set_from_pixbuf(pixbuf)
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def on_file_button_clicked(self,widget):
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app.obj("filechooser_dialog").show_all()
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def on_dir_button_clicked(self,widget):
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dialog = Gtk.FileChooserDialog(title="Choose a folder",
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parent=app.obj("window"),
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action=Gtk.FileChooserAction.SELECT_FOLDER,
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)
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dialog.set_default_size(600, 300)
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dialog.add_buttons("Cancel", Gtk.ResponseType.CANCEL,
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"OK", Gtk.ResponseType.OK)
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response = dialog.run()
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if response == Gtk.ResponseType.OK:
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print("Folder selection: {}".format(dialog.get_filename()))
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elif response == Gtk.ResponseType.CANCEL:
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print("Cancel")
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dialog.destroy()
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class ExampleApp:
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def __init__(self):
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self.app = Gtk.Application.new("org.application.test", Gio.ApplicationFlags(0))
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self.app.connect("activate", self.on_app_activate)
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self.app.connect("shutdown", self.on_app_shutdown)
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def on_app_activate(self, app):
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builder = Gtk.Builder()
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builder.add_from_file("16_filechooser.glade")
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builder.connect_signals(Handler())
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self.obj = builder.get_object
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self.obj("window").set_application(app)
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self.obj("window").show_all()
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#add filters to filechooser dialog
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self.obj("filefilter").set_name("Image files")
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self.obj("filechooser_dialog").add_filter(self.obj("filefilter"))
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self.obj("png_filter").set_name("PNG files")
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self.obj("filechooser_dialog").add_filter(self.obj("png_filter"))
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self.obj("jpg_filter").set_name("JPG files")
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self.obj("filechooser_dialog").add_filter(self.obj("jpg_filter"))
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#add buttons to headerbar of Glade generated dialog
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button = Gtk.Button.new_with_label("Cancel")
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button.set_property("can-default", True)
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self.obj("filechooser_dialog").add_action_widget(button, Gtk.ResponseType.CANCEL)
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button = Gtk.Button.new_with_label("OK")
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button.set_property("can-default", True)
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self.obj("filechooser_dialog").add_action_widget(button, Gtk.ResponseType.OK)
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def on_app_shutdown(self, app):
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self.app.quit()
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def run(self, argv):
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self.app.run(argv)
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app = ExampleApp()
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app.run(sys.argv)
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