AngleGatorsActivity.py

from gettext import gettext as _

import sys
from gi.repository import Gtk
import pygame

import sugar3.activity.activity
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.graphics.toolbutton import ToolButton
from sugar3.activity.widgets import StopButton


import sugargame.canvas

import angle_gators


class AngleGatorsActivity(sugar3.activity.activity.Activity):
    def __init__(self, handle):
        super(AngleGatorsActivity, self).__init__(handle)

        self.paused = False

        # Create the game instance.
        self.game = angle_gators.AngleGators()

        # Build the activity toolbar.
        self.build_toolbar()

        # Build the Pygame canvas.
        self._pygamecanvas = sugargame.canvas.PygameCanvas(self)

        # Note that set_canvas implicitly calls read_file when
        # resuming from the Journal.
        self.set_canvas(self._pygamecanvas)

        # Start the game running (self.game.run is called when the
        # activity constructor returns).
        self._pygamecanvas.run_pygame(self.game.run)

    def build_toolbar(self):
        toolbar_box = ToolbarBox()
        self.set_toolbar_box(toolbar_box)
        toolbar_box.show()

        activity_button = ActivityToolbarButton(self)
        toolbar_box.toolbar.insert(activity_button, -1)
        activity_button.show()

        # Pause/Play button:

        stop_play = ToolButton('media-playback-stop')
        stop_play.set_tooltip(_("Stop"))
        stop_play.set_accelerator(_('<ctrl>space'))
        stop_play.connect('clicked', self._stop_play_cb)
        stop_play.show()

        toolbar_box.toolbar.insert(stop_play, -1)

        # Blank space (separator) and Stop button at the end:

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        toolbar_box.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        toolbar_box.toolbar.insert(stop_button, -1)
        stop_button.show()

    def _stop_play_cb(self, button):
        # Pause or unpause the game.
        self.paused = not self.paused
        self.game.set_paused(self.paused)

        # Update the button to show the next action.
        if self.paused:
            button.set_icon('media-playback-start')
            button.set_tooltip(_("Start"))
        else:
            button.set_icon('media-playback-stop')
            button.set_tooltip(_("Stop"))

    def read_file(self, file_path):
        self.game.read_file(file_path)

    def write_file(self, file_path):
        self.game.write_file(file_path)