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#!/usr/bin/env python
'''
Testing out pygtk on the Raspberry Pi.
We'll make a typical application window, with a menubar, toolbar, statusbar, etc.
'''
import pygtk
pygtk.require('2.0')
import gobject
import gtk
import random
import time
import sys
import os
import pigpio
import numpy as np
import logging
import platform
import sys
from google.assistant.library.event import EventType
from aiy.assistant import auth_helpers
from aiy.assistant.library import Assistant
from aiy.board import Board, Led
pi = pigpio.pi()
(
COLOR_RED,
COLOR_GREEN,
COLOR_BLUE
) = range(3)
(
SHAPE_SQUARE,
SHAPE_RECTANGLE,
SHAPE_OVAL
) = range(3)
ui_info = \
'''<ui>
<menubar name='MenuBar'>
<menu action='FileMenu'>
<menuitem action='New'/>
<menuitem action='Open'/>
<menuitem action='Save'/>
<menuitem action='SaveAs'/>
<separator/>
<menuitem action='Quit'/>
</menu>
<menu action='PreferencesMenu'>
<menu action='ColorMenu'>
<menuitem action='Red'/>
<menuitem action='Green'/>
<menuitem action='Blue'/>
</menu>
<menu action='ShapeMenu'>
<menuitem action='Square'/>
<menuitem action='Rectangle'/>
<menuitem action='Oval'/>
</menu>
<menuitem action='Bold'/>
</menu>
<menu action='HelpMenu'>
<menuitem action='About'/>
</menu>
</menubar>
<toolbar name='ToolBar'>
<toolitem action='Open'/>
<toolitem action='Quit'/>
<separator/>
<toolitem action='Logo'/>
</toolbar>
</ui>'''
# It's totally optional to do this, you could just manually insert icons
# and have them not be themeable, especially if you never expect people
# to theme your app.
def register_stock_icons():
''' This function registers our custom toolbar icons, so they
can be themed.
'''
items = [('demo-gtk-logo', '_GTK!', 0, 0, '')]
# Register our stock items
gtk.stock_add(items)
# Add our custom icon factory to the list of defaults
factory = gtk.IconFactory()
factory.add_default()
import os
img_dir = os.path.join(os.path.dirname(__file__), 'images')
img_path = os.path.join(img_dir, 'gtk-logo-rgb.gif')
try:
pixbuf = gtk.gdk.pixbuf_new_from_file(img_path)
# Register icon to accompany stock item
# The gtk-logo-rgb icon has a white background, make it transparent
# the call is wrapped to (gboolean, guchar, guchar, guchar)
transparent = pixbuf.add_alpha(True, chr(255), chr(255),chr(255))
icon_set = gtk.IconSet(transparent)
factory.add('demo-gtk-logo', icon_set)
except gobject.GError, error:
print 'failed to load GTK logo for toolbar'
class ApplicationMainWindowDemo(gtk.Window):
def __init__(self, parent=None):
register_stock_icons()
# Create the toplevel window
gtk.Window.__init__(self)
try:
self.set_screen(parent.get_screen())
except AttributeError:
self.connect('destroy', lambda *w: gtk.main_quit())
self.set_title(self.__class__.__name__)
self.set_default_size(200, 200)
merge = gtk.UIManager()
self.set_data("ui-manager", merge)
merge.insert_action_group(self.__create_action_group(), 0)
self.add_accel_group(merge.get_accel_group())
try:
mergeid = merge.add_ui_from_string(ui_info)
except gobject.GError, msg:
print "building menus failed: %s" % msg
bar = merge.get_widget("/MenuBar")
bar.show()
table = gtk.Table(1, 4, False)
self.add(table)
table.attach(bar,
# X direction # # Y direction
0, 1, 0, 1,
gtk.EXPAND | gtk.FILL, 0,
0, 0);
bar = merge.get_widget("/ToolBar")
bar.set_tooltips(True)
bar.show()
table.attach(bar,
# X direction # # Y direction
0, 1, 1, 2,
gtk.EXPAND | gtk.FILL, 0,
0, 0)
# Create document
sw = gtk.ScrolledWindow()
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
sw.set_shadow_type(gtk.SHADOW_IN)
table.attach(sw,
# X direction Y direction
0, 1, 2, 3,
gtk.EXPAND | gtk.FILL, gtk.EXPAND | gtk.FILL,
0, 0)
contents = gtk.TextView()
contents.grab_focus()
sw.add (contents)
# Create statusbar
self.statusbar = gtk.Statusbar()
table.attach(self.statusbar,
# X direction Y direction
0, 1, 3, 4,
gtk.EXPAND | gtk.FILL, 0,
0, 0)
# Show text widget info in the statusbar
buffer = contents.get_buffer()
buffer.connect("changed", self.update_statusbar)
mark_set_callback = (lambda buffer, new_location, mark:
self.update_statusbar(buffer))
# cursor moved
buffer.connect("mark_set", mark_set_callback)
self.connect("window_state_event", self.update_resize_grip)
self.update_statusbar(buffer)
self.show_all()
def __create_action_group(self):
# GtkActionEntry
entries = (
( "FileMenu", None, "_File" ), # name, stock id, label
( "PreferencesMenu", None, "_Preferences" ), # name, stock id, label
( "ColorMenu", None, "_Color" ), # name, stock id, label
( "ShapeMenu", None, "_Shape" ), # name, stock id, label
( "HelpMenu", None, "_Help" ), # name, stock id, label
( "New", gtk.STOCK_NEW, # name, stock id
"_New", "<control>N", # label, accelerator
"Create a new file", # tooltip
self.activate_action ),
( "Open", gtk.STOCK_OPEN, # name, stock id
"_Open","<control>O", # label, accelerator
"Open a file", # tooltip
self.activate_action ),
( "Save", gtk.STOCK_SAVE, # name, stock id
"_Save","<control>S", # label, accelerator
"Save current file", # tooltip
self.activate_action ),
( "SaveAs", gtk.STOCK_SAVE, # name, stock id
"Save _As...", None, # label, accelerator
"Save to a file", # tooltip
self.activate_action ),
( "Quit", gtk.STOCK_QUIT, # name, stock id
"_Quit", "<control>Q", # label, accelerator
"Quit", # tooltip
self.activate_action ),
( "About", None, # name, stock id
"_About", "<control>A", # label, accelerator
"About", # tooltip
self.activate_about ),
( "Logo", "demo-gtk-logo", # name, stock id
None, None, # label, accelerator
"GTK+", # tooltip
self.activate_action ),
);
# GtkToggleActionEntry
toggle_entries = (
( "Bold", gtk.STOCK_BOLD, # name, stock id
"_Bold", "<control>B", # label, accelerator
"Bold", # tooltip
self.activate_action,
True ), # is_active
)
# GtkRadioActionEntry
color_entries = (
( "Red", None, # name, stock id
"_Red", "<control><shift>R", # label, accelerator
"Blood", COLOR_RED ), # tooltip, value
( "Green", None, # name, stock id
"_Green", "<control><shift>G", # label, accelerator
"Grass", COLOR_GREEN ), # tooltip, value
( "Blue", None, # name, stock id
"_Blue", "<control><shift>B", # label, accelerator
"Sky", COLOR_BLUE ), # tooltip, value
)
# GtkRadioActionEntry
shape_entries = (
( "Square", None, # name, stock id
"_Square", "<control><shift>S", # label, accelerator
"Square", SHAPE_SQUARE ), # tooltip, value
( "Rectangle", None, # name, stock id
"_Rectangle", "<control><shift>R", # label, accelerator
"Rectangle", SHAPE_RECTANGLE ), # tooltip, value
( "Oval", None, # name, stock id
"_Oval", "<control><shift>O", # label, accelerator
"Egg", SHAPE_OVAL ), # tooltip, value
)
# Create the menubar and toolbar
action_group = gtk.ActionGroup("AppWindowActions")
action_group.add_actions(entries)
action_group.add_toggle_actions(toggle_entries)
action_group.add_radio_actions(color_entries, COLOR_RED, self.activate_radio_action)
action_group.add_radio_actions(shape_entries, SHAPE_OVAL, self.activate_radio_action)
return action_group
def activate_about(self, action):
dialog = gtk.AboutDialog()
dialog.set_name("PyGTK Demo")
dialog.set_copyright("\302\251 Copyright 200x the PyGTK Team")
dialog.set_website("http://www.pygtk.org./")
## Close dialog on user response
dialog.connect ("response", lambda d, r: d.destroy())
dialog.show()
def activate_action(self, action):
dialog = gtk.MessageDialog(self, gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
'You activated action: "%s" of type "%s"' % (action.get_name(), type(action)))
# Close dialog on user response
dialog.connect ("response", lambda d, r: d.destroy())
dialog.show()
def activate_radio_action(self, action, current):
active = current.get_active()
value = current.get_current_value()
if active:
dialog = gtk.MessageDialog(self, gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
"You activated radio action: \"%s\" of type \"%s\".\nCurrent value: %d" %
(current.get_name(), type(current), value))
# Close dialog on user response
dialog.connect("response", lambda d, r: d.destroy())
dialog.show()
def update_statusbar(self, buffer):
# clear any previous message, underflow is allowed
self.statusbar.pop(0)
count = buffer.get_char_count()
iter = buffer.get_iter_at_mark(buffer.get_insert())
row = iter.get_line()
col = iter.get_line_offset()
self.statusbar.push(0,
'Cursor at row %d column %d - %d chars in document' % (row, col, count))
def update_resize_grip(self, widget, event):
mask = gtk.gdk.WINDOW_STATE_MAXIMIZED | gtk.gdk.WINDOW_STATE_FULLSCREEN
if (event.changed_mask & mask):
self.statusbar.set_has_resize_grip(not (event.new_window_state & mask))
def make_menu(event_button, event_time, icon):
menu = gtk.Menu()
item = gtk.MenuItem('hi')
item.show()
menu.append(item)
menu.popup(None, None,
gtk.status_icon_position_menu, event_button,
event_time, icon)
def on_right_click(icon, event_button, event_time):
make_menu(event_button, event_time, icon)
def StatusIconDemo(parent=None):
icon = gtk.status_icon_new_from_stock(gtk.STOCK_QUIT)
icon.connect('popup-menu', on_right_click)
def main():
ApplicationMainWindowDemo()
gtk.main()
if __name__ == '__main__':
main()
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