def __init__(self, handle):
super(PhysicsActivity, self).__init__(handle)
self._collab = CollabWrapper(self)
self._collab.message.connect(self.__message_cb)
self.metadata['mime_type'] = 'application/x-physics-activity'
self.add_events(Gdk.EventMask.ALL_EVENTS_MASK
| Gdk.EventMask.VISIBILITY_NOTIFY_MASK)
self.connect('visibility-notify-event', self._focus_event)
self.connect('window-state-event', self._window_event)
self.game = PhysicsGame(self)
self.game.canvas = sugargame.canvas.PygameCanvas(
self, main=self.game.run, modules=[pygame.display, pygame.font])
self.preview = None
self._sample_window = None
self._notebook = Gtk.Notebook(show_tabs=False)
self._notebook.add(self.game.canvas)
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
self.game.canvas.set_size_request(w, h)
self._constructors = {}
self.build_toolbar()
self.set_canvas(self._notebook)
Gdk.Screen.get_default().connect('size-changed', self.__configure_cb)
self.show_all()
self._collab.setup()
def __init__(self, handle):
Activity.__init__(self, handle)
self.game = PhysicsGame(activity=self)
self.build_toolbar()
self._pygamecanvas = sugargame.canvas.PygameCanvas(self,
main=self.game.run,
modules=[pygame.display])
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
self._pygamecanvas.set_size_request(w, h)
self.set_canvas(self._pygamecanvas)
self._pygamecanvas.grab_focus()
def __init__(self, handle):
super(PhysicsActivity, self).__init__(handle)
self._collab = CollabWrapper(self)
self._collab.message.connect(self.__message_cb)
self.metadata['mime_type'] = 'application/x-physics-activity'
self.add_events(Gdk.EventMask.ALL_EVENTS_MASK |
Gdk.EventMask.VISIBILITY_NOTIFY_MASK)
self.connect('visibility-notify-event', self._focus_event)
self.connect('window-state-event', self._window_event)
self.game = PhysicsGame(self)
self.game.canvas = sugargame.canvas.PygameCanvas(
self, main=self.game.run, modules=[pygame.display, pygame.font])
self.preview = None
self._sample_window = None
self._notebook = Gtk.Notebook(show_tabs=False)
self._notebook.add(self.game.canvas)
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
self.game.canvas.set_size_request(w, h)
self._constructors = {}
self.build_toolbar()
self.set_canvas(self._notebook)
Gdk.Screen.get_default().connect('size-changed',
self.__configure_cb)
self.show_all()
self._collab.setup()
class PhysicsActivity(activity.Activity):
def __init__(self, handle):
super(PhysicsActivity, self).__init__(handle)
self._collab = CollabWrapper(self)
self._collab.message.connect(self.__message_cb)
self.metadata['mime_type'] = 'application/x-physics-activity'
self.add_events(Gdk.EventMask.ALL_EVENTS_MASK
| Gdk.EventMask.VISIBILITY_NOTIFY_MASK)
self.connect('visibility-notify-event', self._focus_event)
self.connect('window-state-event', self._window_event)
self.game = PhysicsGame(self)
self.game.canvas = sugargame.canvas.PygameCanvas(
self, main=self.game.run, modules=[pygame.display, pygame.font])
self.preview = None
self._sample_window = None
self._notebook = Gtk.Notebook(show_tabs=False)
self._notebook.add(self.game.canvas)
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
self.game.canvas.set_size_request(w, h)
self._constructors = {}
self.build_toolbar()
self.set_canvas(self._notebook)
Gdk.Screen.get_default().connect('size-changed', self.__configure_cb)
self.show_all()
self._collab.setup()
def get_data(self):
""" FIXME: not implemented, thus objects created before
sharing starts are not shared """
return dict()
def set_data(self, data):
pass
def __configure_cb(self, event):
''' Screen size has changed '''
self.write_file(
os.path.join(activity.get_activity_root(), 'data', 'data'))
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
pygame.display.set_mode((w, h), pygame.RESIZABLE)
self.read_file(
os.path.join(activity.get_activity_root(), 'data', 'data'))
def read_file(self, file_path):
self.game.read_file(file_path)
def write_file(self, file_path):
self.game.write_file(file_path)
def get_preview(self):
''' Custom preview code to get image from pygame. '''
return self.game.canvas.get_preview()
def build_toolbar(self):
self.max_participants = 4
toolbar_box = ToolbarBox()
activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(activity_button, 0)
activity_button.show()
create_toolbar = ToolbarButton()
create_toolbar.props.page = Gtk.Toolbar()
create_toolbar.props.icon_name = 'magicpen'
create_toolbar.props.label = _('Create')
toolbar_box.toolbar.insert(create_toolbar, -1)
self._insert_create_tools(create_toolbar)
color = ColorToolButton('color')
color.connect('notify::color', self.__color_notify_cb)
toolbar_box.toolbar.insert(color, -1)
color.show()
random = ToggleToolButton('colorRandom')
random.set_tooltip(_('Toggle random color'))
toolbar_box.toolbar.insert(random, -1)
random.set_active(True)
random.connect('toggled', self.__random_toggled_cb)
random.show()
color.random = random
random.color = color
random.timeout_id = GLib.timeout_add(100, self.__timeout_cb, random)
self._insert_stop_play_button(toolbar_box.toolbar)
clear_trace = ToolButton('clear-trace')
clear_trace.set_tooltip(_('Clear Trace Marks'))
clear_trace.set_accelerator(_('<ctrl>x'))
clear_trace.connect('clicked', self.clear_trace_cb)
clear_trace.set_sensitive(False)
toolbar_box.toolbar.insert(clear_trace, -1)
clear_trace.show()
self.clear_trace = clear_trace
self._insert_clear_all_button(toolbar_box.toolbar)
load_example = ToolButton('load-sample')
load_example.set_tooltip(_('Show sample projects'))
load_example.connect('clicked', self._create_store)
toolbar_box.toolbar.insert(Gtk.SeparatorToolItem(), -1)
toolbar_box.toolbar.insert(load_example, -1)
load_example.show()
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_size_request(0, -1)
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
separator.show()
stop = StopButton(self)
toolbar_box.toolbar.insert(stop, -1)
stop.show()
separator = Gtk.SeparatorToolItem()
activity_button.props.page.insert(separator, -1)
separator.show()
export_json = ToolButton('save-as-json')
export_json.set_tooltip(_('Export tracked objects to journal'))
export_json.connect('clicked', self._export_json_cb)
activity_button.props.page.insert(export_json, -1)
export_json.show()
load_project = ToolButton('load-project')
load_project.set_tooltip(_('Load project from journal'))
load_project.connect('clicked', self._load_project)
activity_button.props.page.insert(load_project, -1)
load_project.show()
self.set_toolbar_box(toolbar_box)
toolbar_box.show_all()
create_toolbar.set_expanded(True)
return toolbar_box
def __color_notify_cb(self, button, pdesc):
""" when a color is chosen;
change world object add color,
and change color of buttons. """
color = button.get_color()
self._set_color(color)
button.random.set_active(False)
button.random.get_icon_widget().set_stroke_color(self._rgb8x(color))
def __random_toggled_cb(self, random):
if random.props.active:
self._random_on(random)
else:
self._random_off(random)
def _random_on(self, random):
""" when random is turned on;
reset world object add color,
and begin watching for changed world object add color. """
self.game.world.add.reset_color()
if random.timeout_id is None:
random.timeout_id = GLib.timeout_add(100, self.__timeout_cb,
random)
self.__timeout_cb(random)
def _random_off(self, random):
""" when random is turned off;
change world object add color back to chosen color,
change color of buttons,
and stop watching for changed world object add color. """
color = random.color.get_color()
self._set_color(color)
random.get_icon_widget().set_stroke_color(self._rgb8x(color))
if random.timeout_id is not None:
GLib.source_remove(random.timeout_id)
random.timeout_id = None
def __timeout_cb(self, random):
""" copy the next color to the random button stroke color. """
if hasattr(self.game, "world"):
color = self.game.world.add.next_color()
random.get_icon_widget().set_stroke_color('#%.2X%.2X%.2X' % color)
return True
def _set_color(self, color):
""" set world object add color. """
self.game.world.add.set_color(self._rgb8(color))
def _rgb8x(self, color):
""" convert a Gdk.Color into hex triplet. """
return '#%.2X%.2X%.2X' % self._rgb8(color)
def _rgb8(self, color):
""" convert a Gdk.Color into an 8-bit RGB tuple. """
return (color.red / 256, color.green / 256, color.blue / 256)
def can_close(self):
self.preview = self.get_preview()
self.game.running = False
return True
def _insert_stop_play_button(self, toolbar):
self.stop_play_toolbar = ToolbarButton()
st_toolbar = self.stop_play_toolbar
st_toolbar.props.page = Gtk.Toolbar()
st_toolbar.props.icon_name = 'media-playback-stop'
self.stop_play_state = True
self.stop_play = ToolButton('media-playback-stop')
self.stop_play.set_tooltip(_('Stop'))
self.stop_play.set_accelerator(_('<ctrl>space'))
self.stop_play.connect('clicked', self.stop_play_cb)
self._insert_item(st_toolbar, self.stop_play)
self.stop_play.show()
slowest_button = RadioToolButton(group=None)
slowest_button.set_icon_name('slow-walk-milton-raposo')
slowest_button.set_tooltip(_('Run slower'))
slowest_button.connect('clicked', self._set_fps_cb, SLOWEST_FPS)
self._insert_item(st_toolbar, slowest_button)
slowest_button.show()
slow_button = RadioToolButton(group=slowest_button)
slow_button.set_icon_name('walking')
slow_button.set_tooltip(_('Run slow'))
slow_button.connect('clicked', self._set_fps_cb, SLOW_FPS)
self._insert_item(st_toolbar, slow_button)
slow_button.show()
fast_button = RadioToolButton(group=slowest_button)
fast_button.set_icon_name('running')
fast_button.set_tooltip('Run fast')
fast_button.connect('clicked', self._set_fps_cb, FAST_FPS)
self._insert_item(st_toolbar, fast_button)
fast_button.show()
fast_button.set_active(True)
toolbar.insert(self.stop_play_toolbar, -1)
self.stop_play_toolbar.show_all()
def _set_fps_cb(self, button, value):
self.game.set_game_fps(value)
def _insert_clear_all_button(self, toolbar):
self.clear_all = ToolButton('clear_all')
self.clear_all.set_tooltip(_('Erase All'))
self.clear_all.set_accelerator(_('<ctrl>a'))
self.clear_all.connect('clicked', self.clear_all_cb)
toolbar.insert(self.clear_all, -1)
self.clear_all.set_sensitive(False)
self.clear_all.show()
def _insert_item(self, toolbar, item, pos=-1):
if hasattr(toolbar, 'insert'):
toolbar.insert(item, pos)
else:
toolbar.props.page.insert(item, pos)
def _insert_create_tools(self, create_toolbar):
# Make + add the component buttons
self.radioList = {}
for i, c in enumerate(tools.allTools):
if i == 0:
button = RadioToolButton(group=None)
firstbutton = button
else:
button = RadioToolButton(group=firstbutton)
button.set_icon_name(c.icon)
button.set_tooltip(c.toolTip)
button.set_accelerator(c.toolAccelerator)
button.connect('clicked', self.radioClicked)
palette = self._build_palette(c)
if palette is not None:
palette.show()
button.get_palette().set_content(palette)
self._insert_item(create_toolbar, button, -1)
button.show()
self.radioList[button] = c.name
if hasattr(c, 'constructor'):
self._constructors[c.name] = \
self.game.toolList[c.name].constructor
def __icon_path(self, name):
activity_path = activity.get_bundle_path()
icon_path = os.path.join(activity_path, 'icons', name + '.svg')
return icon_path
def _build_palette(self, tool):
if tool.palette_enabled:
if tool.palette_mode == tools.PALETTE_MODE_ICONS:
grid = Gtk.Grid()
for s, settings in enumerate(tool.palette_settings):
self.game.toolList[tool.name].buttons.append([])
for i, icon_value in enumerate(settings['icon_values']):
if i == 0:
button = RadioToolButton(group=None)
firstbutton = button
else:
button = RadioToolButton(group=firstbutton)
button.set_icon_name(settings['icons'][i])
button.connect('clicked', self._palette_icon_clicked,
tool.name, s, settings['name'],
icon_value)
grid.attach(button, i, s, 1, 1)
self.game.toolList[tool.name].buttons[s].append(button)
button.show()
if settings['active'] == settings['icons'][i]:
button.set_icon_name(settings['icons'][i] +
'-selected')
button.set_active(True)
return grid
else:
return None
def _palette_icon_clicked(self, widget, toolname, s, value_name, value):
for tool in tools.allTools:
if tool.name == toolname:
# Radio buttons are not highlighting in the palette
# so adding highlight by hand
# See http://bugs.sugarlabs.org/ticket/305
setting = self.game.toolList[tool.name].palette_settings[s]
for i, button in enumerate(
self.game.toolList[tool.name].buttons[s]):
icon_name = setting['icons'][i]
if button == widget:
button.set_icon_name(icon_name + '-selected')
else:
button.set_icon_name(icon_name)
if hasattr(tool, 'palette_data_type'):
tool.palette_data_type = value
else:
tool.palette_data[value_name] = value
def clear_trace_alert_cb(self, alert, response):
self.remove_alert(alert)
if response is Gtk.ResponseType.OK:
self.game.full_pos_list = [[] for _ in self.game.full_pos_list]
self.game.tracked_bodies = 0
def clear_trace_cb(self, button):
clear_trace_alert = ConfirmationAlert()
clear_trace_alert.props.title = _('Are You Sure?')
clear_trace_alert.props.msg = \
_('All trace points will be erased. This cannot be undone!')
clear_trace_alert.connect('response', self.clear_trace_alert_cb)
self.add_alert(clear_trace_alert)
def stop_play_cb(self, button):
pygame.event.post(
pygame.event.Event(pygame.USEREVENT, action='stop_start_toggle'))
self.stop_play_state = not self.stop_play_state
if self.stop_play_state:
self.stop_play.set_icon_name('media-playback-stop')
self.stop_play.set_tooltip(_('Stop'))
self.stop_play_toolbar.set_icon_name('media-playback-stop')
else:
self.stop_play.set_icon_name('media-playback-start')
self.stop_play.set_tooltip(_('Start'))
self.stop_play_toolbar.set_icon_name('media-playback-start')
def clear_all_cb(self, button):
def clear_all_alert_cb(alert, response_id):
self.remove_alert(alert)
if response_id is Gtk.ResponseType.OK:
pygame.event.post(
pygame.event.Event(pygame.USEREVENT, action='clear_all'))
if len(self.game.world.world.bodies) > 2:
clear_all_alert = ConfirmationAlert()
clear_all_alert.props.title = _('Are You Sure?')
clear_all_alert.props.msg = \
_('All your work will be discarded. This cannot be undone!')
clear_all_alert.connect('response', clear_all_alert_cb)
self.add_alert(clear_all_alert)
def radioClicked(self, button):
pygame.event.post(
pygame.event.Event(pygame.USEREVENT,
action=self.radioList[button]))
def _focus_event(self, event, data=None):
''' Send focus events to pygame to allow it to idle when in
background. '''
if data.state == Gdk.VisibilityState.FULLY_OBSCURED:
pygame.event.post(
pygame.event.Event(pygame.USEREVENT, action='focus_out'))
else:
self.game.show_fake_cursor = True
pygame.event.post(
pygame.event.Event(pygame.USEREVENT, action='focus_in'))
def _export_json_cb(self, button):
jobject = datastore.create()
jobject.metadata['title'] = _('Physics export')
jobject.metadata['mime_type'] = 'text/plain'
tmp_dir = os.path.join(self.get_activity_root(), 'instance')
fd, file_path = tempfile.mkstemp(dir=tmp_dir)
os.close(fd)
self.game.world.json_save(file_path)
jobject.set_file_path(file_path)
datastore.write(jobject)
def _window_event(self, window, event):
''' Send focus out event to pygame when switching to a desktop
view. '''
if event.changed_mask & Gdk.WindowState.ICONIFIED:
pygame.event.post(
pygame.event.Event(pygame.USEREVENT, action='focus_out'))
def _restore_cursor(self):
''' No longer waiting, so restore standard cursor. '''
if not hasattr(self, 'get_window'):
return
self.get_window().set_cursor(self.old_cursor)
def _waiting_cursor(self):
''' Waiting, so set watch cursor. '''
if not hasattr(self, 'get_window'):
return
self.old_cursor = self.get_window().get_cursor()
self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))
def __message_cb(self, collab, buddy, msg):
''' Data is passed as tuples: cmd:text '''
action = msg.get('action')
if action != 'text':
return
text = msg['text']
dispatch_table = {
'C': self._construct_shared_circle,
'B': self._construct_shared_box,
'T': self._construct_shared_triangle,
'P': self._construct_shared_polygon,
'M': self._construct_shared_magicpen,
'j': self._add_shared_joint,
'p': self._add_shared_pin,
'm': self._add_shared_motor,
't': self._add_shared_track,
'c': self._add_shared_chain,
}
logging.debug('<<< %s' % (text[0]))
dispatch_table[text[0]](text[2:])
def _construct_shared_circle(self, data):
circle_data = json.loads(data)
pos = circle_data[0]
radius = circle_data[1]
density = circle_data[2]
restitution = circle_data[3]
friction = circle_data[4]
self._constructors['Circle'](pos,
radius,
density,
restitution,
friction,
share=False)
def _construct_shared_box(self, data):
box_data = json.loads(data)
pos1 = box_data[0]
pos2 = box_data[1]
density = box_data[2]
restitution = box_data[3]
friction = box_data[4]
self._constructors['Box'](pos1,
pos2,
density,
restitution,
friction,
share=False)
def _construct_shared_triangle(self, data):
triangle_data = json.loads(data)
pos1 = triangle_data[0]
pos2 = triangle_data[1]
density = triangle_data[2]
restitution = triangle_data[3]
friction = triangle_data[4]
self._constructors['Triangle'](pos1,
pos2,
density,
restitution,
friction,
share=False)
def _construct_shared_polygon(self, data):
polygon_data = json.loads(data)
vertices = polygon_data[0]
density = polygon_data[1]
restitution = polygon_data[2]
friction = polygon_data[3]
self._constructors['Polygon'](vertices,
density,
restitution,
friction,
share=False)
def _construct_shared_magicpen(self, data):
magicpen_data = json.loads(data)
vertices = magicpen_data[0]
density = magicpen_data[1]
restitution = magicpen_data[2]
friction = magicpen_data[3]
self._constructors['Magicpen'](vertices,
density,
restitution,
friction,
share=False)
def _add_shared_joint(self, data):
joint_data = json.loads(data)
pos1 = joint_data[0]
pos2 = joint_data[1]
self._constructors['Joint'](pos1, pos2, share=False)
def _add_shared_pin(self, data):
joint_data = json.loads(data)
pos = joint_data[0]
self._constructors['Pin'](pos, share=False)
def _add_shared_motor(self, data):
joint_data = json.loads(data)
pos = joint_data[0]
speed = joint_data[1]
self._constructors['Motor'](pos, speed, share=False)
def _add_shared_track(self, data):
joint_data = json.loads(data)
pos = joint_data[0]
color = joint_data[1]
self._constructors['Track'](pos, color, share=False)
def _add_shared_chain(self, data):
joint_data = json.loads(data)
vertices = joint_data[0]
link_length = joint_data[1]
radius = joint_data[2]
self._constructors['Chain'](vertices, link_length, radius, share=False)
def send_event(self, text):
self._collab.post(dict(action='text', text=text))
def _load_project(self, button):
chooser = ObjectChooser(parent=self)
result = chooser.run()
if result == Gtk.ResponseType.ACCEPT:
dsobject = chooser.get_selected_object()
file_path = dsobject.get_file_path()
self.__load_game(file_path, True)
chooser.destroy()
def __load_game(self, file_path, journal=False):
confirmation_alert = ConfirmationAlert()
confirmation_alert.props.title = _('Are You Sure?')
confirmation_alert.props.msg = \
_('All your work will be discarded. This cannot be undone!')
def action(alert, response):
self.remove_alert(alert)
if response is not Gtk.ResponseType.OK:
return
try:
f = open(file_path, 'r')
# Test if the file is valid project.
json.loads(f.read())
f.close()
self.read_file(file_path)
except:
title = _('Load project from journal')
if not journal:
title = _('Load example')
msg = _('Error: Cannot open Physics project from this file.')
alert = NotifyAlert(5)
alert.props.title = title
alert.props.msg = msg
alert.connect('response',
lambda alert, response: self.remove_alert(alert))
self.add_alert(alert)
confirmation_alert.connect('response', action)
self.add_alert(confirmation_alert)
def _create_store(self, widget=None):
if self._sample_window is None:
self._sample_box = Gtk.EventBox()
vbox = Gtk.VBox()
self._sample_window = Gtk.ScrolledWindow()
self._sample_window.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
self._sample_window.set_border_width(4)
self._sample_window.set_size_request(Gdk.Screen.width() / 2,
Gdk.Screen.height() / 2)
self._sample_window.show()
store = Gtk.ListStore(GdkPixbuf.Pixbuf, str)
icon_view = Gtk.IconView()
icon_view.set_model(store)
icon_view.set_selection_mode(Gtk.SelectionMode.SINGLE)
icon_view.connect('selection-changed', self._sample_selected,
store)
icon_view.set_pixbuf_column(0)
icon_view.grab_focus()
self._sample_window.add(icon_view)
icon_view.show()
self._fill_samples_list(store)
title = Gtk.HBox()
title_label = Gtk.Label(_("Select a sample..."))
separator = Gtk.HSeparator()
separator.props.expand = True
separator.props.visible = False
btn = Gtk.Button.new_from_stock(Gtk.STOCK_CANCEL)
btn.connect('clicked', self._cancel_clicked_cb)
title.pack_start(title_label, False, False, 5)
title.pack_start(separator, False, False, 0)
title.pack_end(btn, False, False, 0)
vbox.pack_start(title, False, False, 5)
vbox.pack_end(self._sample_window, True, True, 0)
self._sample_box.add(vbox)
self._sample_box.show_all()
self._notebook.add(self._sample_box)
self._notebook.set_current_page(1)
def _cancel_clicked_cb(self, button=None):
self._notebook.set_current_page(0)
def _get_selected_path(self, widget, store):
try:
iter_ = store.get_iter(widget.get_selected_items()[0])
image_path = store.get(iter_, 1)[0]
return image_path, iter_
except:
return None
def _sample_selected(self, widget, store):
selected = self._get_selected_path(widget, store)
if selected is None:
self._selected_sample = None
self._cancel_clicked_cb()
return
image_path, _iter = selected
iter_ = store.get_iter(widget.get_selected_items()[0])
image_path = store.get(iter_, 1)[0]
self._selected_sample = image_path
self._cancel_clicked_cb()
self.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.WATCH))
GLib.idle_add(self._sample_loader)
def _sample_loader(self):
# Convert from thumbnail path to sample path
basename = os.path.basename(self._selected_sample)[:-4]
file_path = os.path.join(activity.get_bundle_path(), 'samples',
basename + '.json')
self.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.LEFT_PTR))
self.__load_game(file_path)
def _fill_samples_list(self, store):
'''
Append images from the artwork_paths to the store.
'''
for filepath in self._scan_for_samples():
pixbuf = None
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(filepath, 100, 100)
store.append([pixbuf, filepath])
def _scan_for_samples(self):
samples = sorted(
glob.glob(
os.path.join(activity.get_bundle_path(), 'samples',
'thumbnails', '*.png')))
return samples
class BridgeActivity(Activity):
def __init__(self, handle):
Activity.__init__(self, handle)
self.game = PhysicsGame(activity=self)
self.build_toolbar()
self._pygamecanvas = sugargame.canvas.PygameCanvas(self,
main=self.game.run,
modules=[pygame.display])
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
self._pygamecanvas.set_size_request(w, h)
self.set_canvas(self._pygamecanvas)
self._pygamecanvas.grab_focus()
def build_toolbar(self):
self.max_participants = 1
toolbar_box = ToolbarBox()
activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(activity_button, 0)
activity_button.show()
self.blocklist = []
self.radioList = {}
for c in tools.allTools:
button = ToolButton(c.icon)
button.set_tooltip(_(c.toolTip))
button.connect('clicked', self.radioClicked)
toolbar_box.toolbar.insert(button, -1)
button.show()
self.radioList[button] = c.name
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()
self.set_toolbar_box(toolbar_box)
toolbar_box.show_all()
def radioClicked(self, button):
evt = pygame.event.Event(
pygame.USEREVENT, action=self.radioList[button])
pygame.event.post(evt)
def read_file(self, file_path):
self.game.read_file(file_path)
def write_file(self, file_path):
self.game.write_file(file_path)
def get_preview(self):
return self._pygamecanvas.get_preview()
class PhysicsActivity(activity.Activity):
def __init__(self, handle):
super(PhysicsActivity, self).__init__(handle)
self._collab = CollabWrapper(self)
self._collab.message.connect(self.__message_cb)
self.metadata['mime_type'] = 'application/x-physics-activity'
self.add_events(Gdk.EventMask.ALL_EVENTS_MASK |
Gdk.EventMask.VISIBILITY_NOTIFY_MASK)
self.connect('visibility-notify-event', self._focus_event)
self.connect('window-state-event', self._window_event)
self.game = PhysicsGame(self)
self.game.canvas = sugargame.canvas.PygameCanvas(
self, main=self.game.run, modules=[pygame.display, pygame.font])
self.preview = None
self._sample_window = None
self._notebook = Gtk.Notebook(show_tabs=False)
self._notebook.add(self.game.canvas)
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
self.game.canvas.set_size_request(w, h)
self._constructors = {}
self.build_toolbar()
self.set_canvas(self._notebook)
Gdk.Screen.get_default().connect('size-changed',
self.__configure_cb)
self.show_all()
self._collab.setup()
def get_data(self):
""" FIXME: not implemented, thus objects created before
sharing starts are not shared """
return dict()
def set_data(self, data):
pass
def __configure_cb(self, event):
''' Screen size has changed '''
self.write_file(os.path.join(
activity.get_activity_root(), 'data', 'data'))
w = Gdk.Screen.width()
h = Gdk.Screen.height() - 2 * GRID_CELL_SIZE
pygame.display.set_mode((w, h),
pygame.RESIZABLE)
self.read_file(os.path.join(
activity.get_activity_root(), 'data', 'data'))
def read_file(self, file_path):
self.game.read_file(file_path)
def write_file(self, file_path):
self.game.write_file(file_path)
def get_preview(self):
''' Custom preview code to get image from pygame. '''
return self.game.canvas.get_preview()
def build_toolbar(self):
self.max_participants = 4
toolbar_box = ToolbarBox()
activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(activity_button, 0)
activity_button.show()
create_toolbar = ToolbarButton()
create_toolbar.props.page = Gtk.Toolbar()
create_toolbar.props.icon_name = 'magicpen'
create_toolbar.props.label = _('Create')
toolbar_box.toolbar.insert(create_toolbar, -1)
self._insert_create_tools(create_toolbar)
color = ColorToolButton('color')
color.connect('notify::color', self.__color_notify_cb)
toolbar_box.toolbar.insert(color, -1)
color.show()
random = ToggleToolButton('colorRandom')
random.set_tooltip(_('Toggle random color'))
toolbar_box.toolbar.insert(random, -1)
random.set_active(True)
random.connect('toggled', self.__random_toggled_cb)
random.show()
color.random = random
random.color = color
random.timeout_id = GLib.timeout_add(100, self.__timeout_cb, random)
self._insert_stop_play_button(toolbar_box.toolbar)
clear_trace = ToolButton('clear-trace')
clear_trace.set_tooltip(_('Clear Trace Marks'))
clear_trace.set_accelerator(_('<ctrl>x'))
clear_trace.connect('clicked', self.clear_trace_cb)
clear_trace.set_sensitive(False)
toolbar_box.toolbar.insert(clear_trace, -1)
clear_trace.show()
self.clear_trace = clear_trace
self._insert_clear_all_button(toolbar_box.toolbar)
load_example = ToolButton('load-sample')
load_example.set_tooltip(_('Show sample projects'))
load_example.connect('clicked', self._create_store)
toolbar_box.toolbar.insert(Gtk.SeparatorToolItem(), -1)
toolbar_box.toolbar.insert(load_example, -1)
load_example.show()
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_size_request(0, -1)
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
separator.show()
stop = StopButton(self)
toolbar_box.toolbar.insert(stop, -1)
stop.show()
separator = Gtk.SeparatorToolItem()
activity_button.props.page.insert(separator, -1)
separator.show()
export_json = ToolButton('save-as-json')
export_json.set_tooltip(_('Export tracked objects to journal'))
export_json.connect('clicked', self._export_json_cb)
activity_button.props.page.insert(export_json, -1)
export_json.show()
load_project = ToolButton('load-project')
load_project.set_tooltip(_('Load project from journal'))
load_project.connect('clicked', self._load_project)
activity_button.props.page.insert(load_project, -1)
load_project.show()
self.set_toolbar_box(toolbar_box)
toolbar_box.show_all()
create_toolbar.set_expanded(True)
return toolbar_box
def __color_notify_cb(self, button, pdesc):
""" when a color is chosen;
change world object add color,
and change color of buttons. """
color = button.get_color()
self._set_color(color)
button.random.set_active(False)
button.random.get_icon_widget().set_stroke_color(self._rgb8x(color))
def __random_toggled_cb(self, random):
if random.props.active:
self._random_on(random)
else:
self._random_off(random)
def _random_on(self, random):
""" when random is turned on;
reset world object add color,
and begin watching for changed world object add color. """
self.game.world.add.reset_color()
if random.timeout_id is None:
random.timeout_id = GLib.timeout_add(100, self.__timeout_cb,
random)
self.__timeout_cb(random)
def _random_off(self, random):
""" when random is turned off;
change world object add color back to chosen color,
change color of buttons,
and stop watching for changed world object add color. """
color = random.color.get_color()
self._set_color(color)
random.get_icon_widget().set_stroke_color(self._rgb8x(color))
if random.timeout_id is not None:
GLib.source_remove(random.timeout_id)
random.timeout_id = None
def __timeout_cb(self, random):
""" copy the next color to the random button stroke color. """
if hasattr(self.game, "world"):
color = self.game.world.add.next_color()
random.get_icon_widget().set_stroke_color('#%.2X%.2X%.2X' % color)
return True
def _set_color(self, color):
""" set world object add color. """
self.game.world.add.set_color(self._rgb8(color))
def _rgb8x(self, color):
""" convert a Gdk.Color into hex triplet. """
return '#%.2X%.2X%.2X' % self._rgb8(color)
def _rgb8(self, color):
""" convert a Gdk.Color into an 8-bit RGB tuple. """
return (color.red / 256, color.green / 256, color.blue / 256)
def can_close(self):
self.preview = self.get_preview()
self.game.running = False
return True
def _insert_stop_play_button(self, toolbar):
self.stop_play_toolbar = ToolbarButton()
st_toolbar = self.stop_play_toolbar
st_toolbar.props.page = Gtk.Toolbar()
st_toolbar.props.icon_name = 'media-playback-stop'
self.stop_play_state = True
self.stop_play = ToolButton('media-playback-stop')
self.stop_play.set_tooltip(_('Stop'))
self.stop_play.set_accelerator(_('<ctrl>space'))
self.stop_play.connect('clicked', self.stop_play_cb)
self._insert_item(st_toolbar, self.stop_play)
self.stop_play.show()
slowest_button = RadioToolButton(group=None)
slowest_button.set_icon_name('slow-walk-milton-raposo')
slowest_button.set_tooltip(_('Run slower'))
slowest_button.connect('clicked', self._set_fps_cb, SLOWEST_FPS)
self._insert_item(st_toolbar, slowest_button)
slowest_button.show()
slow_button = RadioToolButton(group=slowest_button)
slow_button.set_icon_name('walking')
slow_button.set_tooltip(_('Run slow'))
slow_button.connect('clicked', self._set_fps_cb, SLOW_FPS)
self._insert_item(st_toolbar, slow_button)
slow_button.show()
fast_button = RadioToolButton(group=slowest_button)
fast_button.set_icon_name('running')
fast_button.set_tooltip('Run fast')
fast_button.connect('clicked', self._set_fps_cb, FAST_FPS)
self._insert_item(st_toolbar, fast_button)
fast_button.show()
fast_button.set_active(True)
toolbar.insert(self.stop_play_toolbar, -1)
self.stop_play_toolbar.show_all()
def _set_fps_cb(self, button, value):
self.game.set_game_fps(value)
def _insert_clear_all_button(self, toolbar):
self.clear_all = ToolButton('clear_all')
self.clear_all.set_tooltip(_('Erase All'))
self.clear_all.set_accelerator(_('<ctrl>a'))
self.clear_all.connect('clicked', self.clear_all_cb)
toolbar.insert(self.clear_all, -1)
self.clear_all.set_sensitive(False)
self.clear_all.show()
def _insert_item(self, toolbar, item, pos=-1):
if hasattr(toolbar, 'insert'):
toolbar.insert(item, pos)
else:
toolbar.props.page.insert(item, pos)
def _insert_create_tools(self, create_toolbar):
# Make + add the component buttons
self.radioList = {}
for i, c in enumerate(tools.allTools):
if i == 0:
button = RadioToolButton(group=None)
firstbutton = button
else:
button = RadioToolButton(group=firstbutton)
button.set_icon_name(c.icon)
button.set_tooltip(c.toolTip)
button.set_accelerator(c.toolAccelerator)
button.connect('clicked', self.radioClicked)
palette = self._build_palette(c)
if palette is not None:
palette.show()
button.get_palette().set_content(palette)
self._insert_item(create_toolbar, button, -1)
button.show()
self.radioList[button] = c.name
if hasattr(c, 'constructor'):
self._constructors[c.name] = \
self.game.toolList[c.name].constructor
def __icon_path(self, name):
activity_path = activity.get_bundle_path()
icon_path = os.path.join(activity_path, 'icons',
name + '.svg')
return icon_path
def _build_palette(self, tool):
if tool.palette_enabled:
if tool.palette_mode == tools.PALETTE_MODE_ICONS:
grid = Gtk.Grid()
for s, settings in enumerate(tool.palette_settings):
self.game.toolList[tool.name].buttons.append([])
for i, icon_value in enumerate(settings['icon_values']):
if i == 0:
button = RadioToolButton(group=None)
firstbutton = button
else:
button = RadioToolButton(group=firstbutton)
button.set_icon_name(settings['icons'][i])
button.connect('clicked',
self._palette_icon_clicked,
tool.name,
s,
settings['name'],
icon_value)
grid.attach(button, i, s, 1, 1)
self.game.toolList[tool.name].buttons[s].append(button)
button.show()
if settings['active'] == settings['icons'][i]:
button.set_icon_name(settings['icons'][i] +
'-selected')
button.set_active(True)
return grid
else:
return None
def _palette_icon_clicked(self, widget, toolname, s, value_name, value):
for tool in tools.allTools:
if tool.name == toolname:
# Radio buttons are not highlighting in the palette
# so adding highlight by hand
# See http://bugs.sugarlabs.org/ticket/305
setting = self.game.toolList[tool.name].palette_settings[s]
for i, button in enumerate(
self.game.toolList[tool.name].buttons[s]):
icon_name = setting['icons'][i]
if button == widget:
button.set_icon_name(icon_name + '-selected')
else:
button.set_icon_name(icon_name)
if hasattr(tool, 'palette_data_type'):
tool.palette_data_type = value
else:
tool.palette_data[value_name] = value
def clear_trace_alert_cb(self, alert, response):
self.remove_alert(alert)
if response is Gtk.ResponseType.OK:
self.game.full_pos_list = [[] for _ in self.game.full_pos_list]
self.game.tracked_bodies = 0
def clear_trace_cb(self, button):
clear_trace_alert = ConfirmationAlert()
clear_trace_alert.props.title = _('Are You Sure?')
clear_trace_alert.props.msg = \
_('All trace points will be erased. This cannot be undone!')
clear_trace_alert.connect('response', self.clear_trace_alert_cb)
self.add_alert(clear_trace_alert)
def stop_play_cb(self, button):
pygame.event.post(pygame.event.Event(pygame.USEREVENT,
action='stop_start_toggle'))
self.stop_play_state = not self.stop_play_state
if self.stop_play_state:
self.stop_play.set_icon_name('media-playback-stop')
self.stop_play.set_tooltip(_('Stop'))
self.stop_play_toolbar.set_icon_name('media-playback-stop')
else:
self.stop_play.set_icon_name('media-playback-start')
self.stop_play.set_tooltip(_('Start'))
self.stop_play_toolbar.set_icon_name('media-playback-start')
def clear_all_cb(self, button):
def clear_all_alert_cb(alert, response_id):
self.remove_alert(alert)
if response_id is Gtk.ResponseType.OK:
pygame.event.post(pygame.event.Event(pygame.USEREVENT,
action='clear_all'))
if len(self.game.world.world.bodies) > 2:
clear_all_alert = ConfirmationAlert()
clear_all_alert.props.title = _('Are You Sure?')
clear_all_alert.props.msg = \
_('All your work will be discarded. This cannot be undone!')
clear_all_alert.connect('response', clear_all_alert_cb)
self.add_alert(clear_all_alert)
def radioClicked(self, button):
pygame.event.post(pygame.event.Event(pygame.USEREVENT,
action=self.radioList[button]))
def _focus_event(self, event, data=None):
''' Send focus events to pygame to allow it to idle when in
background. '''
if data.state == Gdk.VisibilityState.FULLY_OBSCURED:
pygame.event.post(pygame.event.Event(pygame.USEREVENT,
action='focus_out'))
else:
self.game.show_fake_cursor = True
pygame.event.post(pygame.event.Event(pygame.USEREVENT,
action='focus_in'))
def _export_json_cb(self, button):
jobject = datastore.create()
jobject.metadata['title'] = _('Physics export')
jobject.metadata['mime_type'] = 'text/plain'
tmp_dir = os.path.join(self.get_activity_root(), 'instance')
fd, file_path = tempfile.mkstemp(dir=tmp_dir)
os.close(fd)
self.game.world.json_save(file_path)
jobject.set_file_path(file_path)
datastore.write(jobject)
def _window_event(self, window, event):
''' Send focus out event to pygame when switching to a desktop
view. '''
if event.changed_mask & Gdk.WindowState.ICONIFIED:
pygame.event.post(pygame.event.Event(pygame.USEREVENT,
action='focus_out'))
def _restore_cursor(self):
''' No longer waiting, so restore standard cursor. '''
if not hasattr(self, 'get_window'):
return
self.get_window().set_cursor(self.old_cursor)
def _waiting_cursor(self):
''' Waiting, so set watch cursor. '''
if not hasattr(self, 'get_window'):
return
self.old_cursor = self.get_window().get_cursor()
self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))
def __message_cb(self, collab, buddy, msg):
''' Data is passed as tuples: cmd:text '''
action = msg.get('action')
if action != 'text':
return
text = msg['text']
dispatch_table = {'C': self._construct_shared_circle,
'B': self._construct_shared_box,
'T': self._construct_shared_triangle,
'P': self._construct_shared_polygon,
'M': self._construct_shared_magicpen,
'j': self._add_shared_joint,
'p': self._add_shared_pin,
'm': self._add_shared_motor,
't': self._add_shared_track,
'c': self._add_shared_chain,
}
logging.debug('<<< %s' % (text[0]))
dispatch_table[text[0]](text[2:])
def _construct_shared_circle(self, data):
circle_data = json.loads(data)
pos = circle_data[0]
radius = circle_data[1]
density = circle_data[2]
restitution = circle_data[3]
friction = circle_data[4]
self._constructors['Circle'](pos, radius, density, restitution,
friction, share=False)
def _construct_shared_box(self, data):
box_data = json.loads(data)
pos1 = box_data[0]
pos2 = box_data[1]
density = box_data[2]
restitution = box_data[3]
friction = box_data[4]
self._constructors['Box'](pos1, pos2, density, restitution,
friction, share=False)
def _construct_shared_triangle(self, data):
triangle_data = json.loads(data)
pos1 = triangle_data[0]
pos2 = triangle_data[1]
density = triangle_data[2]
restitution = triangle_data[3]
friction = triangle_data[4]
self._constructors['Triangle'](pos1, pos2, density, restitution,
friction, share=False)
def _construct_shared_polygon(self, data):
polygon_data = json.loads(data)
vertices = polygon_data[0]
density = polygon_data[1]
restitution = polygon_data[2]
friction = polygon_data[3]
self._constructors['Polygon'](vertices, density, restitution,
friction, share=False)
def _construct_shared_magicpen(self, data):
magicpen_data = json.loads(data)
vertices = magicpen_data[0]
density = magicpen_data[1]
restitution = magicpen_data[2]
friction = magicpen_data[3]
self._constructors['Magicpen'](vertices, density, restitution,
friction, share=False)
def _add_shared_joint(self, data):
joint_data = json.loads(data)
pos1 = joint_data[0]
pos2 = joint_data[1]
self._constructors['Joint'](pos1, pos2, share=False)
def _add_shared_pin(self, data):
joint_data = json.loads(data)
pos = joint_data[0]
self._constructors['Pin'](pos, share=False)
def _add_shared_motor(self, data):
joint_data = json.loads(data)
pos = joint_data[0]
speed = joint_data[1]
self._constructors['Motor'](pos, speed, share=False)
def _add_shared_track(self, data):
joint_data = json.loads(data)
pos = joint_data[0]
color = joint_data[1]
self._constructors['Track'](pos, color, share=False)
def _add_shared_chain(self, data):
joint_data = json.loads(data)
vertices = joint_data[0]
link_length = joint_data[1]
radius = joint_data[2]
self._constructors['Chain'](vertices, link_length, radius,
share=False)
def send_event(self, text):
self._collab.post(dict(action='text', text=text))
def _load_project(self, button):
chooser = ObjectChooser(parent=self)
result = chooser.run()
if result == Gtk.ResponseType.ACCEPT:
dsobject = chooser.get_selected_object()
file_path = dsobject.get_file_path()
self.__load_game(file_path, True)
chooser.destroy()
def __load_game(self, file_path, journal=False):
confirmation_alert = ConfirmationAlert()
confirmation_alert.props.title = _('Are You Sure?')
confirmation_alert.props.msg = \
_('All your work will be discarded. This cannot be undone!')
def action(alert, response):
self.remove_alert(alert)
if response is not Gtk.ResponseType.OK:
return
try:
f = open(file_path, 'r')
# Test if the file is valid project.
json.loads(f.read())
f.close()
self.read_file(file_path)
except:
title = _('Load project from journal')
if not journal:
title = _('Load example')
msg = _(
'Error: Cannot open Physics project from this file.')
alert = NotifyAlert(5)
alert.props.title = title
alert.props.msg = msg
alert.connect(
'response',
lambda alert,
response: self.remove_alert(alert))
self.add_alert(alert)
confirmation_alert.connect('response', action)
self.add_alert(confirmation_alert)
def _create_store(self, widget=None):
if self._sample_window is None:
self._sample_box = Gtk.EventBox()
vbox = Gtk.VBox()
self._sample_window = Gtk.ScrolledWindow()
self._sample_window.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
self._sample_window.set_border_width(4)
self._sample_window.set_size_request(
Gdk.Screen.width() / 2, Gdk.Screen.height() / 2)
self._sample_window.show()
store = Gtk.ListStore(GdkPixbuf.Pixbuf, str)
icon_view = Gtk.IconView()
icon_view.set_model(store)
icon_view.set_selection_mode(Gtk.SelectionMode.SINGLE)
icon_view.connect('selection-changed', self._sample_selected,
store)
icon_view.set_pixbuf_column(0)
icon_view.grab_focus()
self._sample_window.add(icon_view)
icon_view.show()
self._fill_samples_list(store)
title = Gtk.HBox()
title_label = Gtk.Label(_("Select a sample..."))
separator = Gtk.HSeparator()
separator.props.expand = True
separator.props.visible = False
btn = Gtk.Button.new_from_stock(Gtk.STOCK_CANCEL)
btn.connect('clicked', self._cancel_clicked_cb)
title.pack_start(title_label, False, False, 5)
title.pack_start(separator, False, False, 0)
title.pack_end(btn, False, False, 0)
vbox.pack_start(title, False, False, 5)
vbox.pack_end(self._sample_window, True, True, 0)
self._sample_box.add(vbox)
self._sample_box.show_all()
self._notebook.add(self._sample_box)
self._notebook.set_current_page(1)
def _cancel_clicked_cb(self, button=None):
self._notebook.set_current_page(0)
def _get_selected_path(self, widget, store):
try:
iter_ = store.get_iter(widget.get_selected_items()[0])
image_path = store.get(iter_, 1)[0]
return image_path, iter_
except:
return None
def _sample_selected(self, widget, store):
selected = self._get_selected_path(widget, store)
if selected is None:
self._selected_sample = None
self._cancel_clicked_cb()
return
image_path, _iter = selected
iter_ = store.get_iter(widget.get_selected_items()[0])
image_path = store.get(iter_, 1)[0]
self._selected_sample = image_path
self._cancel_clicked_cb()
self.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.WATCH))
GLib.idle_add(self._sample_loader)
def _sample_loader(self):
# Convert from thumbnail path to sample path
basename = os.path.basename(self._selected_sample)[:-4]
file_path = os.path.join(activity.get_bundle_path(),
'samples', basename + '.json')
self.get_window().set_cursor(Gdk.Cursor(Gdk.CursorType.LEFT_PTR))
self.__load_game(file_path)
def _fill_samples_list(self, store):
'''
Append images from the artwork_paths to the store.
'''
for filepath in self._scan_for_samples():
pixbuf = None
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(filepath, 100, 100)
store.append([pixbuf, filepath])
def _scan_for_samples(self):
samples = sorted(
glob.glob(
os.path.join(
activity.get_bundle_path(),
'samples',
'thumbnails',
'*.png')))
return samples