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#!/usr/bin/env python
# -*- Mode: Python; py-indent-offset: 4 -*-
# vim: tabstop=4 shiftwidth=4 expandtab
#
# Copyright (C) 2010 Red Hat, Inc., John (J5) Palmieri <johnp@redhat.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
title = "Icon View Basics"
description = """The GtkIconView widget is used to display and manipulate
icons. It uses a GtkTreeModel for data storage, so the list store example might
be helpful. We also use the Gio.File API to get the icons for each file type.
"""
import os
from gi.repository import GLib, Gio, GdkPixbuf, Gtk
class IconViewApp:
(COL_PATH,
COL_DISPLAY_NAME,
COL_PIXBUF,
COL_IS_DIRECTORY,
NUM_COLS) = range(5)
def __init__(self, demoapp):
self.pixbuf_lookup = {}
self.demoapp = demoapp
self.window = Gtk.Window()
self.window.set_title('Gtk.IconView demo')
self.window.set_default_size(650, 400)
self.window.connect('destroy', Gtk.main_quit)
vbox = Gtk.VBox()
self.window.add(vbox)
tool_bar = Gtk.Toolbar()
vbox.pack_start(tool_bar, False, False, 0)
up_button = Gtk.ToolButton(stock_id=Gtk.STOCK_GO_UP)
up_button.set_is_important(True)
up_button.set_sensitive(False)
tool_bar.insert(up_button, -1)
home_button = Gtk.ToolButton(stock_id=Gtk.STOCK_HOME)
home_button.set_is_important(True)
tool_bar.insert(home_button, -1)
sw = Gtk.ScrolledWindow()
sw.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
sw.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
vbox.pack_start(sw, True, True, 0)
# create the store and fill it with content
self.parent_dir = '/'
store = self.create_store()
self.fill_store(store)
icon_view = Gtk.IconView(model=store)
icon_view.set_selection_mode(Gtk.SelectionMode.MULTIPLE)
sw.add(icon_view)
# connect to the 'clicked' signal of the "Up" tool button
up_button.connect('clicked', self.up_clicked, store)
# connect to the 'clicked' signal of the "home" tool button
home_button.connect('clicked', self.home_clicked, store)
self.up_button = up_button
self.home_button = home_button
# we now set which model columns that correspond to the text
# and pixbuf of each item
icon_view.set_text_column(self.COL_DISPLAY_NAME)
icon_view.set_pixbuf_column(self.COL_PIXBUF)
# connect to the "item-activated" signal
icon_view.connect('item-activated', self.item_activated, store)
icon_view.grab_focus()
self.window.show_all()
def sort_func(self, store, a_iter, b_iter, user_data):
(a_name, a_is_dir) = store.get(a_iter,
self.COL_DISPLAY_NAME,
self.COL_IS_DIRECTORY)
(b_name, b_is_dir) = store.get(b_iter,
self.COL_DISPLAY_NAME,
self.COL_IS_DIRECTORY)
if a_name is None:
a_name = ''
if b_name is None:
b_name = ''
if (not a_is_dir) and b_is_dir:
return 1
elif a_is_dir and (not b_is_dir):
return -1
elif a_name > b_name:
return 1
elif a_name < b_name:
return -1
else:
return 0
def up_clicked(self, item, store):
self.parent_dir = os.path.split(self.parent_dir)[0]
self.fill_store(store)
# de-sensitize the up button if we are at the root
self.up_button.set_sensitive(self.parent_dir != '/')
def home_clicked(self, item, store):
self.parent_dir = GLib.get_home_dir()
self.fill_store(store)
# Sensitize the up button
self.up_button.set_sensitive(True)
def item_activated(self, icon_view, tree_path, store):
iter_ = store.get_iter(tree_path)
(path, is_dir) = store.get(iter_, self.COL_PATH, self.COL_IS_DIRECTORY)
if not is_dir:
return
self.parent_dir = path
self.fill_store(store)
self.up_button.set_sensitive(True)
def create_store(self):
store = Gtk.ListStore(str, str, GdkPixbuf.Pixbuf, bool)
# set sort column and function
store.set_default_sort_func(self.sort_func)
store.set_sort_column_id(-1, Gtk.SortType.ASCENDING)
return store
def file_to_icon_pixbuf(self, path):
pixbuf = None
# get the theme icon
f = Gio.file_new_for_path(path)
info = f.query_info(Gio.FILE_ATTRIBUTE_STANDARD_ICON,
Gio.FileQueryInfoFlags.NONE,
None)
gicon = info.get_icon()
# check to see if it is an image format we support
for format in GdkPixbuf.Pixbuf.get_formats():
for mime_type in format.get_mime_types():
content_type = Gio.content_type_from_mime_type(mime_type)
if content_type is not None:
break
format_gicon = Gio.content_type_get_icon(content_type)
if format_gicon.equal(gicon):
gicon = f.icon_new()
break
if gicon in self.pixbuf_lookup:
return self.pixbuf_lookup[gicon]
if isinstance(gicon, Gio.ThemedIcon):
names = gicon.get_names()
icon_theme = Gtk.IconTheme.get_default()
for name in names:
try:
pixbuf = icon_theme.load_icon(name, 64, 0)
break
except GLib.GError:
pass
self.pixbuf_lookup[gicon] = pixbuf
elif isinstance(gicon, Gio.FileIcon):
icon_file = gicon.get_file()
path = icon_file.get_path()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(path, 72, 72)
self.pixbuf_lookup[gicon] = pixbuf
return pixbuf
def fill_store(self, store):
store.clear()
for name in os.listdir(self.parent_dir):
path = os.path.join(self.parent_dir, name)
is_dir = os.path.isdir(path)
pixbuf = self.file_to_icon_pixbuf(path)
store.append((path, name, pixbuf, is_dir))
def main(demoapp=None):
IconViewApp(demoapp)
Gtk.main()
if __name__ == '__main__':
main()
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