class Card:
''' Individual cards '''
def __init__(self, scale=1.0):
''' Create the card and store its attributes '''
self.spr = None
self.index = None # Calculated index
self._scale = scale
def create(self, string, attributes=None, sprites=None, file_path=None):
if attributes is None:
if self.spr is None:
self.spr = Sprite(sprites, 0, 0, svg_str_to_pixbuf(string))
else:
self.spr.set_image(svg_str_to_pixbuf(string))
self.index = None
else:
self.shape = attributes[0]
self.color = attributes[1]
self.num = attributes[2]
self.fill = attributes[3]
self.index = self.shape * COLORS * NUMBER * FILLS + \
self.color * NUMBER * FILLS + \
self.num * FILLS + \
self.fill
self.spr = Sprite(sprites, 0, 0, svg_str_to_pixbuf(string, True))
if file_path is not None:
self.spr.set_image(load_image(file_path, self._scale),
i=1,
dx=int(self._scale * CARD_WIDTH * .125),
dy=int(self._scale * CARD_HEIGHT * .125))
self.spr.set_label_attributes(self._scale * 24)
self.spr.set_label('')
def show_card(self, layer=2000):
''' Show the card '''
if self.spr is not None:
self.spr.set_layer(layer)
self.spr.draw()
def hide_card(self):
''' Hide a card '''
if self.spr is not None:
self.spr.hide()
class Card:
''' Individual cards '''
def __init__(self, scale=1.0):
''' Create the card and store its attributes '''
self.spr = None
self.index = None # Calculated index
self._scale = scale
def create(self, string, attributes=None, sprites=None, file_path=None):
if attributes is None:
if self.spr is None:
self.spr = Sprite(sprites, 0, 0, svg_str_to_pixbuf(string))
else:
self.spr.set_image(svg_str_to_pixbuf(string))
self.index = None
else:
self.shape = attributes[0]
self.color = attributes[1]
self.num = attributes[2]
self.fill = attributes[3]
self.index = self.shape * COLORS * NUMBER * FILLS + \
self.color * NUMBER * FILLS + \
self.num * FILLS + \
self.fill
if self.spr is None:
self.spr = Sprite(sprites, 0, 0, svg_str_to_pixbuf(string))
else:
self.spr.set_image(svg_str_to_pixbuf(string))
if file_path is not None:
self.spr.set_image(load_image(file_path, self._scale), i=1,
dx=int(self._scale * CARD_WIDTH * .125),
dy=int(self._scale * CARD_HEIGHT * .125))
self.spr.set_label_attributes(self._scale * 24)
self.spr.set_label('')
def show_card(self, layer=2000):
''' Show the card '''
if self.spr is not None:
self.spr.set_layer(layer)
self.spr.draw()
def hide_card(self):
''' Hide a card '''
if self.spr is not None:
self.spr.hide()
class Game():
def __init__(self, canvas, parent=None, path=None, root=None, mode='array',
colors=['#A0FFA0', '#FF8080']):
self._canvas = canvas
self._parent = parent
self._path = path
self._root = root
self._mode = mode
self.current_image = 0
self.playing = False
self._timeout_id = None
self._prev_mouse_pos = (0, 0)
self._start_time = 0
self._colors = ['#FFFFFF']
self._colors.append(colors[0])
self._colors.append(colors[1])
self._canvas.add_events(
Gdk.EventMask.BUTTON_PRESS_MASK |
Gdk.EventMask.BUTTON_RELEASE_MASK |
Gdk.EventMask.BUTTON_MOTION_MASK |
Gdk.EventMask.POINTER_MOTION_MASK |
Gdk.EventMask.POINTER_MOTION_HINT_MASK |
Gdk.EventMask.TOUCH_MASK)
self._canvas.connect('draw', self.__draw_cb)
self._canvas.connect('event', self.__event_cb)
self.configure(move=False)
self.we_are_sharing = False
self._start_time = 0
self._timeout_id = None
# Find the image files
self._PATHS = glob.glob(os.path.join(self._path, 'images', '*.svg'))
# Generate the sprites we'll need...
self._sprites = Sprites(self._canvas)
a = max(Gdk.Screen.width(), Gdk.Screen.height())
b = min(Gdk.Screen.width(), Gdk.Screen.height())
self._bg_pixbufs = []
if self._parent.tablet_mode: # text on top
# landscape
self._bg_pixbufs.append(svg_str_to_pixbuf(genhole(
a, a,
3 * style.GRID_CELL_SIZE,
style.DEFAULT_SPACING,
a - 3 * style.GRID_CELL_SIZE,
style.GRID_CELL_SIZE * 3 + style.DEFAULT_SPACING)))
# portrait
self._bg_pixbufs.append(svg_str_to_pixbuf(genhole(
a, a,
3 * style.GRID_CELL_SIZE,
style.DEFAULT_SPACING,
b - 3 * style.GRID_CELL_SIZE,
style.GRID_CELL_SIZE * 3 + style.DEFAULT_SPACING)))
else: # text on bottom
# landscape
self._bg_pixbufs.append(svg_str_to_pixbuf(genhole(
a, a,
3 * style.GRID_CELL_SIZE,
b - style.GRID_CELL_SIZE * 4 - style.DEFAULT_SPACING,
a - 3 * style.GRID_CELL_SIZE,
b - style.GRID_CELL_SIZE - style.DEFAULT_SPACING)))
# portrait
self._bg_pixbufs.append(svg_str_to_pixbuf(genhole(
a, a,
3 * style.GRID_CELL_SIZE,
a - style.GRID_CELL_SIZE * 4 - style.DEFAULT_SPACING,
b - 3 * style.GRID_CELL_SIZE,
a - style.GRID_CELL_SIZE - style.DEFAULT_SPACING)))
if Gdk.Screen.width() > Gdk.Screen.height():
self._bg = Sprite(self._sprites, 0, 0, self._bg_pixbufs[0])
else:
self._bg = Sprite(self._sprites, 0, 0, self._bg_pixbufs[1])
self._bg.set_layer(-2)
self._bg.type = 'background'
size = 3 * self._dot_size + 4 * self._space
x = int((Gdk.Screen.width() - size) / 2.)
self._dots = []
self._Dots = [] # larger dots for linear mode
X = int((Gdk.Screen.width() - self._dot_size * 3) / 2.)
Y = style.GRID_CELL_SIZE + self._yoff
if self._parent.tablet_mode:
yoffset = self._space * 2 + self._yoff
else:
yoffset = self._yoff
for y in range(3):
for x in range(3):
xoffset = int((self._width - 3 * self._dot_size -
2 * self._space) / 2.)
self._dots.append(
Sprite(self._sprites,
xoffset + x * (self._dot_size + self._space),
y * (self._dot_size + self._space) + yoffset,
self._new_dot_surface(color=self._colors[0])))
self._dots[-1].type = -1 # No image
self._dots[-1].set_label_attributes(72)
self._dots[-1].set_label('?')
self._Dots.append(
Sprite(
self._sprites, X, Y,
self._new_dot_surface(color=self._colors[0],
large=True)))
self._Dots[-1].type = -1 # No image
self._Dots[-1].set_label_attributes(72 * 3)
self._Dots[-1].set_label('?')
self.number_of_images = len(self._PATHS)
if USE_ART4APPS:
self._art4apps = Art4Apps()
self.number_of_images = len(self._art4apps.get_words())
self._record_pixbufs = []
for icon in ['media-audio', 'media-audio-recording']:
self._record_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
self._play_pixbufs = []
for icon in ['play-inactive', 'play']:
self._play_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
self._speak_pixbufs = []
for icon in ['speak-inactive', 'speak']:
self._speak_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
left = style.GRID_CELL_SIZE
right = Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE
y0 = style.DEFAULT_SPACING + style.DEFAULT_PADDING
y1 = y0 + style.GRID_CELL_SIZE
y2 = y1 + style.GRID_CELL_SIZE
if not self._parent.tablet_mode:
dy = Gdk.Screen.height() - 4 * style.GRID_CELL_SIZE - \
2 * style.DEFAULT_SPACING
y0 += dy
y1 += dy
y2 += dy
y3 = int((Gdk.Screen.height() - 2 * style.GRID_CELL_SIZE) / 2)
self._record = Sprite(
self._sprites, right, y0, self._record_pixbufs[RECORD_OFF])
self._record.set_layer(1)
self._record.type = 'record'
self._play = Sprite(
self._sprites, right, y1, self._play_pixbufs[PLAY_OFF])
self._play.set_layer(1)
self._play.type = 'play-inactive'
self._speak = Sprite(
self._sprites, right, y2, self._speak_pixbufs[SPEAK_OFF])
self._speak.set_layer(1)
self._speak.type = 'speak-inactive'
self._next_prev_pixbufs = []
for icon in ['go-previous', 'go-next', 'go-previous-inactive',
'go-next-inactive']:
self._next_prev_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
self._prev = Sprite(
self._sprites, left, y3, self._next_prev_pixbufs[PREV_INACTIVE])
self._prev.set_layer(1)
self._prev.type = 'prev'
if self._mode == 'array':
self._prev.hide()
self._next = Sprite(
self._sprites, right, y3, self._next_prev_pixbufs[NEXT])
self._next.set_layer(1)
self._next.type = 'next'
if self._mode == 'array':
self._next.hide()
def configure(self, move=True):
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - style.GRID_CELL_SIZE
if not move:
if self._height < self._width:
self._scale = self._height / (3 * DOT_SIZE * 1.2)
else:
self._scale = self._width / (3 * DOT_SIZE * 1.2)
self._scale /= 1.5
self._dot_size = int(DOT_SIZE * self._scale)
if self._parent.tablet_mode: # text on top
self._yoff = style.GRID_CELL_SIZE * 3 + style.DEFAULT_SPACING
else:
self._yoff = style.DEFAULT_SPACING
self._space = int(self._dot_size / 5.)
return
left = style.GRID_CELL_SIZE
right = Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE
y0 = style.DEFAULT_SPACING + style.DEFAULT_PADDING
y1 = y0 + style.GRID_CELL_SIZE
y2 = y1 + style.GRID_CELL_SIZE
if not self._parent.tablet_mode:
dy = Gdk.Screen.height() - 4 * style.GRID_CELL_SIZE - \
2 * style.DEFAULT_SPACING
y0 += dy
y1 += dy
y2 += dy
y3 = int((Gdk.Screen.height() - 2 * style.GRID_CELL_SIZE) / 2)
self._record.move((right, y0))
self._play.move((right, y1))
self._speak.move((right, y2))
self._prev.move((left, y3))
self._next.move((right, y3))
# Move the dots
X = int((Gdk.Screen.width() - self._dot_size * 3) / 2.)
Y = style.GRID_CELL_SIZE + self._yoff
if self._parent.tablet_mode:
yoffset = self._space * 2 + self._yoff
else:
yoffset = self._yoff
for y in range(3):
for x in range(3):
xoffset = int((self._width - 3 * self._dot_size -
2 * self._space) / 2.)
self._dots[x + y * 3].move(
(xoffset + x * (self._dot_size + self._space),
y * (self._dot_size + self._space) + yoffset))
self._Dots[x + y * 3].move((X, Y))
# switch orientation the bg sprite
if Gdk.Screen.width() > Gdk.Screen.height():
self._bg.set_image(self._bg_pixbufs[0])
else:
self._bg.set_image(self._bg_pixbufs[1])
self._bg.set_layer(-2)
def set_speak_icon_state(self, state):
if state:
self._speak.set_image(self._speak_pixbufs[SPEAK_ON])
self._speak.type = 'speak'
else:
self._speak.set_image(self._speak_pixbufs[SPEAK_OFF])
self._speak.type = 'speak-inactive'
self._speak.set_layer(1)
def set_record_icon_state(self, state):
if state:
self._record.set_image(self._record_pixbufs[RECORD_ON])
else:
self._record.set_image(self._record_pixbufs[RECORD_OFF])
self._record.set_layer(1)
def set_play_icon_state(self, state):
if state:
self._play.set_image(self._play_pixbufs[PLAY_ON])
self._play.type = 'play'
else:
self._play.set_image(self._play_pixbufs[PLAY_OFF])
self._play.type = 'play-inactive'
self._play.set_layer(1)
def autoplay(self):
self.set_mode('linear') # forces current image to 0
self.playing = True
self._autonext(next=False)
def stop(self):
self.playing = False
if self._parent.audio_process is not None:
self._parent.audio_process.terminate()
self._parent.audio_process = None
if self._timeout_id is not None:
GObject.source_remove(self._timeout_id)
self._timeout_id = None
self._parent.autoplay_button.set_icon_name('media-playback-start')
self._parent.autoplay_button.set_tooltip(_('Play'))
self._parent.array_button.set_sensitive(True)
def _autonext(self, next=True):
self._timeout_id = None
if not self.playing:
return
if next:
self._Dots[self.current_image].hide()
self.current_image += 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 8:
self._next.set_image(
self._next_prev_pixbufs[NEXT_INACTIVE])
self._next.set_layer(1)
self._prev.set_image(self._next_prev_pixbufs[PREV])
self._prev.set_layer(1)
self._parent.check_audio_status()
self._parent.check_text_status()
GObject.idle_add(self._play_sound)
def _poll_audio(self):
if self._parent.audio_process is None: # Already stopped?
return
if self._parent.audio_process.poll() is None:
GObject.timeout_add(200, self._poll_audio)
else:
self._parent.audio_process = None
self._next_image()
def _play_sound(self):
self._start_time = time.time()
# Either play back a recording or speak the text
if self._play.type == 'play':
self._parent.playback_recording_cb()
self._poll_audio()
elif self._speak.type == 'speak':
bounds = self._parent.text_buffer.get_bounds()
text = self._parent.text_buffer.get_text(
bounds[0], bounds[1], True)
speak(text)
self._next_image()
def _next_image(self):
accumulated_time = int(time.time() - self._start_time)
if accumulated_time < 5:
pause = 5 - accumulated_time
else:
pause = 1
if self.playing and self.current_image < 8:
self._timeout_id = GObject.timeout_add(pause * 1000,
self._autonext)
else:
self.stop()
def __event_cb(self, win, event):
''' The mouse button was pressed. Is it on a sprite? or
there was a gesture. '''
left = right = False
if event.type in (Gdk.EventType.TOUCH_BEGIN,
Gdk.EventType.TOUCH_CANCEL,
Gdk.EventType.TOUCH_END,
Gdk.EventType.BUTTON_PRESS,
Gdk.EventType.BUTTON_RELEASE):
x = int(event.get_coords()[1])
y = int(event.get_coords()[2])
if event.type in (Gdk.EventType.TOUCH_BEGIN,
Gdk.EventType.BUTTON_PRESS):
self._prev_mouse_pos = (x, y)
elif event.type in (Gdk.EventType.TOUCH_END,
Gdk.EventType.BUTTON_RELEASE):
if self._parent.audio_process is not None:
self._parent.audio_process.terminate()
self._parent.audio_process = None
terminated_audio = True
else:
terminated_audio = False
if self.playing:
self.stop()
new_mouse_pos = (x, y)
mouse_movement = (new_mouse_pos[0] - self._prev_mouse_pos[0],
new_mouse_pos[1] - self._prev_mouse_pos[1])
# horizontal gestures only
if (abs(mouse_movement[0]) / 5) > abs(mouse_movement[1]):
if abs(mouse_movement[0]) > abs(mouse_movement[1]):
if mouse_movement[0] < 0:
right = True
else:
left = True
if event.type in (Gdk.EventType.TOUCH_END,
Gdk.EventType.BUTTON_RELEASE):
spr = self._sprites.find_sprite((x, y))
if left or right or spr is not None:
if spr.type in ['record', 'play', 'play-inactive', 'speak',
'speak-inactive']:
if spr.type == 'record':
self._parent.record_cb()
elif spr.type == 'play' and not terminated_audio:
self._parent.playback_recording_cb()
elif spr.type == 'speak':
bounds = self._parent.text_buffer.get_bounds()
text = self._parent.text_buffer.get_text(
bounds[0], bounds[1], True)
speak(text)
return
elif self._mode == 'array':
return
self._parent.speak_text_cb()
if self._parent.recording:
self._parent.record_cb()
if (left or spr.type == 'prev') and self.current_image > 0:
self._Dots[self.current_image].hide()
self.current_image -= 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 0:
self._prev.set_image(
self._next_prev_pixbufs[PREV_INACTIVE])
self._next.set_image(self._next_prev_pixbufs[NEXT])
elif (right or spr.type == 'next') and self.current_image < 8:
self._Dots[self.current_image].hide()
self.current_image += 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 8:
self._next.set_image(
self._next_prev_pixbufs[NEXT_INACTIVE])
self._prev.set_image(self._next_prev_pixbufs[PREV])
elif spr.type not in ['prev', 'background'] and \
self.current_image < 8:
self._Dots[self.current_image].hide()
self.current_image += 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 8:
self._next.set_image(
self._next_prev_pixbufs[NEXT_INACTIVE])
self._prev.set_image(self._next_prev_pixbufs[PREV])
self._parent.check_audio_status()
self._parent.check_text_status()
self._prev.set_layer(1)
self._next.set_layer(1)
return False
def get_mode(self):
return self._mode
def set_mode(self, mode):
self.current_image = 0
self._prev.set_image(self._next_prev_pixbufs[PREV_INACTIVE])
self._next.set_image(self._next_prev_pixbufs[NEXT])
if mode == 'array':
self._mode = 'array'
self._prev.hide()
self._next.hide()
else:
self._mode = 'linear'
self._prev.set_layer(1)
self._next.set_layer(1)
for i in range(9):
if self._mode == 'array':
self._dots[i].set_layer(100)
self._Dots[i].hide()
else:
self._dots[i].hide()
if self.current_image == i:
self._Dots[i].set_layer(100)
else:
self._Dots[i].hide()
def _all_clear(self):
''' Things to reinitialize when starting up a new game. '''
if self._timeout_id is not None:
GObject.source_remove(self._timeout_id)
self.set_mode(self._mode)
if self._mode == 'array':
for dot in self._dots:
if dot.type != -1:
dot.type = -1
dot.set_shape(self._new_dot_surface(
self._colors[abs(dot.type)]))
dot.set_label('?')
else:
for dot in self._Dots:
if dot.type != -1:
dot.type = -1
dot.set_shape(self._new_dot_surface(
self._colors[abs(dot.type)],
large=True))
dot.set_label('?')
self._dance_counter = 0
self._dance_step()
def _dance_step(self):
''' Short animation before loading new game '''
if self._mode == 'array':
for dot in self._dots:
dot.set_shape(self._new_dot_surface(
self._colors[int(uniform(0, 3))]))
else:
self._Dots[0].set_shape(self._new_dot_surface(
self._colors[int(uniform(0, 3))],
large=True))
self._dance_counter += 1
if self._dance_counter < 10:
self._timeout_id = GObject.timeout_add(500, self._dance_step)
else:
self._new_images()
def new_game(self):
''' Start a new game. '''
self._all_clear()
def _new_images(self):
''' Select pictures at random '''
used_images = [0] * self.number_of_images
for i in range(9):
random_selection = int(uniform(0, self.number_of_images))
while used_images[random_selection] != 0:
random_selection = int(uniform(0, self.number_of_images))
used_images[random_selection] = 1
self._dots[i].set_label('')
self._dots[i].type = random_selection
self._dots[i].set_shape(self._new_dot_surface(
image=self._dots[i].type))
self._Dots[i].set_label('')
self._Dots[i].type = self._dots[i].type
self._Dots[i].set_shape(self._new_dot_surface(
image=self._Dots[i].type, large=True))
if self._mode == 'array':
self._dots[i].set_layer(100)
self._Dots[i].hide()
else:
if self.current_image == i:
self._Dots[i].set_layer(100)
else:
self._Dots[i].hide()
self._dots[i].hide()
if self.we_are_sharing:
self._parent.send_new_images()
def restore_game(self, dot_list):
''' Restore a game from the Journal or share '''
self.set_mode(self._mode)
for i, dot in enumerate(dot_list):
self._dots[i].type = dot
self._dots[i].set_shape(self._new_dot_surface(
image=self._dots[i].type))
self._dots[i].set_label('')
self._Dots[i].type = dot
self._Dots[i].set_shape(self._new_dot_surface(
image=self._Dots[i].type, large=True))
self._Dots[i].set_label('')
if self._mode == 'array':
self._dots[i].set_layer(100)
self._Dots[i].hide()
else:
if self.current_image == i:
self._Dots[i].set_layer(100)
else:
self._Dots[i].hide()
self._dots[i].hide()
def save_game(self):
''' Return dot list for saving to Journal or
sharing '''
dot_list = []
for dot in self._dots:
dot_list.append(dot.type)
return dot_list
def set_sharing(self, share=True):
self.we_are_sharing = share
def _grid_to_dot(self, pos):
''' calculate the dot index from a column and row in the grid '''
return pos[0] + pos[1] * 3
def _dot_to_grid(self, dot):
''' calculate the grid column and row for a dot '''
return [dot % 3, int(dot / 3)]
def __draw_cb(self, canvas, cr):
self._sprites.redraw_sprites(cr=cr)
def __expose_cb(self, win, event):
''' Callback to handle window expose events '''
self.do_expose_event(event)
return True
# Handle the expose-event by drawing
def do_expose_event(self, event):
# Create the cairo context
cr = self._canvas.window.cairo_create()
# Restrict Cairo to the exposed area; avoid extra work
cr.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
cr.clip()
# Refresh sprite list
if cr is not None:
self._sprites.redraw_sprites(cr=cr)
def _destroy_cb(self, win, event):
Gtk.main_quit()
def export(self):
''' Write dot to cairo surface. '''
if self._mode == 'array':
w = h = int(4 * self._space + 3 * self._dot_size)
png_surface = cairo.ImageSurface(cairo.FORMAT_RGB24, w, h)
cr = cairo.Context(png_surface)
cr.set_source_rgb(192, 192, 192)
cr.rectangle(0, 0, w, h)
cr.fill()
for i in range(9):
y = self._space + int(i / 3.) * (self._dot_size + self._space)
x = self._space + (i % 3) * (self._dot_size + self._space)
cr.save()
cr.set_source_surface(self._dots[i].images[0], x, y)
cr.rectangle(x, y, self._dot_size, self._dot_size)
cr.fill()
cr.restore()
else:
w = h = int(2 * self._space + 3 * self._dot_size)
png_surface = cairo.ImageSurface(cairo.FORMAT_RGB24, w, h)
cr = cairo.Context(png_surface)
cr.set_source_rgb(192, 192, 192)
cr.rectangle(0, 0, w, h)
cr.fill()
y = self._space
x = self._space
cr.save()
cr.set_source_surface(self._Dots[self.current_image].images[0],
x, y)
cr.rectangle(x, y, 3 * self._dot_size, 3 * self._dot_size)
cr.fill()
cr.restore()
return png_surface
def _new_dot_surface(self, color='#000000', image=None, large=False):
''' generate a dot of a color color '''
if large:
size = self._dot_size * 3
else:
size = self._dot_size
self._svg_width = size
self._svg_height = size
if image is None: # color dot
self._stroke = color
self._fill = color
pixbuf = svg_str_to_pixbuf(
self._header() +
self._circle(size / 2., size / 2., size / 2.) +
self._footer())
else:
if USE_ART4APPS:
word = self._art4apps.get_words()[image]
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
self._art4apps.get_image_filename(word), size, size)
except Exception, e:
_logger.error('new dot surface %s %s: %s' %
(image, word, e))
word = 'zebra' # default in case image is not found
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
self._art4apps.get_image_filename(word), size, size)
else:
class Game():
''' OLPC XO man color changer designed in memory of Nat Jacobson '''
def __init__(self, canvas, parent=None, mycolors=['#A0FFA0', '#FF8080']):
self._activity = parent
self.colors = [mycolors[0]]
self.colors.append(mycolors[1])
self._canvas = canvas
if parent is not None:
parent.show_all()
self._parent = parent
self._canvas.connect("draw", self.__draw_cb)
self._canvas.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
self._canvas.connect("button-press-event", self._button_press_cb)
self._canvas.add_events(Gdk.EventMask.BUTTON_RELEASE_MASK)
self._canvas.connect('button-release-event', self._button_release_cb)
self._canvas.add_events(Gdk.EventMask.POINTER_MOTION_MASK)
self._canvas.connect("motion-notify-event", self._mouse_move_cb)
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - GRID_CELL_SIZE
self._scale = self._width / 1200.
self.press = None
self.dragpos = [0, 0]
self.startpos = [0, 0]
self._dot_cache = {}
self._xo_cache = {}
self._radius = 22.5
self._stroke_width = 9.5
# Generate the sprites we'll need...
self._sprites = Sprites(self._canvas)
self._sprites.set_delay(True)
self._dots = []
self._xo_man = None
self._generate_bg('#FFF')
# First dot, starting angle
self._cxy = [self._width / 2, self._height / 2]
self._xy = [self._width / 2 + 120 * self._scale,
self._height / 2 - self._radius * self._scale]
self._angle = 0
self._dot_size_plus = self._radius * 3 * self._scale
self._min = -self._dot_size_plus / 3
self._max = self._height - (self._dot_size_plus / 2.2)
self._zones = []
self._calc_zones()
self._generate_spiral()
self._sprites.draw_all()
def _calc_zones(self):
for color in colors:
rgb1 = _from_hex(color[0])
rgb2 = _from_hex(color[1])
dv = _contrast(rgb1, rgb2)
dh = _delta_hue(rgb1, rgb2)
self._zones.append(_zone(dv, dh))
def _calc_next_dot_position(self):
''' calculate spiral coordinates '''
dx = self._xy[0] - self._cxy[0]
dy = self._xy[1] - self._cxy[1]
r = sqrt(dx * dx + dy * dy)
c = 2 * r * pi
a = atan2(dy, dx)
da = (self._dot_size_plus / c) * 2 * pi
a += da
r += self._dot_size_plus / (c / self._dot_size_plus)
self._xy[0] = r * cos(a) + self._cxy[0]
self._xy[1] = r * sin(a) + self._cxy[1]
if self._xy[1] < self._min or self._xy[1] > self._max:
self._calc_next_dot_position()
def _generate_spiral(self):
''' Make a new set of dots for a sprial '''
for z in range(4):
for i in range(len(colors)):
if self._zones[i] == z:
self._dots.append(
Sprite(self._sprites, self._xy[0], self._xy[1],
self._new_dot(colors[i])))
self._dots[-1].type = i
self._calc_next_dot_position()
if self._xo_man is None:
x = 510 * self._scale
y = 280 * self._scale
self._xo_man = Sprite(self._sprites, x, y,
self._new_xo_man(self.colors))
self._xo_man.type = None
def move_dot(self, i, x, y):
self._dots[i].move((x, y))
def get_dot_xy(self, i):
return self._dots[i].get_xy()
def move_xo_man(self, x, y):
self._xo_man.move((x, y))
def get_xo_man_xy(self):
return self._xo_man.get_xy()
def rotate(self):
x, y = self._dots[0].get_xy()
for i in range(len(colors) - 1):
self._dots[i].move(self._dots[i + 1].get_xy())
self._dots[-1].move((x, y))
def _generate_bg(self, color):
''' a background color '''
self._bg = Sprite(self._sprites, 0, 0, self._new_background(color))
self._bg.set_layer(0)
self._bg.type = None
def adj_background(self, color):
''' Change background '''
self._bg.set_image(self._new_background(color))
self._bg.set_layer(0)
def _button_press_cb(self, win, event):
win.grab_focus()
x, y = map(int, event.get_coords())
self.dragpos = [x, y]
spr = self._sprites.find_sprite((x, y))
if spr == None or spr == self._bg:
return
self.startpos = spr.get_xy()
self.press = spr
def _mouse_move_cb(self, win, event):
""" Drag a rule with the mouse. """
if self.press is None:
self.dragpos = [0, 0]
return True
win.grab_focus()
x, y = map(int, event.get_coords())
dx = x - self.dragpos[0]
dy = y - self.dragpos[1]
self.press.move_relative((dx, dy))
self.dragpos = [x, y]
def _button_release_cb(self, win, event):
if self.press == None:
return True
if _distance(self.press.get_xy(), self.startpos) < 20:
if type(self.press.type) == int:
self.i = self.press.type
self._new_surface()
self.press.move(self.startpos)
self.press = None
def _new_surface(self):
self.colors[0] = colors[self.i][0]
self.colors[1] = colors[self.i][1]
self._xo_man.set_image(self._new_xo_man(colors[self.i]))
self._xo_man.set_layer(100)
def __draw_cb(self, canvas, cr):
self._sprites.redraw_sprites(cr=cr)
def do_expose_event(self, event):
''' Handle the expose-event by drawing '''
# Restrict Cairo to the exposed area
cr = self._canvas.window.cairo_create()
cr.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
cr.clip()
# Refresh sprite list
self._sprites.redraw_sprites(cr=cr)
def _destroy_cb(self, win, event):
Gtk.main_quit()
def _new_dot(self, color):
''' generate a dot of a color color '''
if True: # not color in self._dot_cache:
self._stroke = color[0]
self._fill = color[1]
self._svg_width = int(60 * self._scale)
self._svg_height = int(60 * self._scale)
pixbuf = svg_str_to_pixbuf(
self._header() + \
'<circle cx="%f" cy="%f" r="%f" stroke="%s" fill="%s" \
stroke-width="%f" visibility="visible" />' % (
30 * self._scale, 30 * self._scale,
self._radius * self._scale, self._stroke,
self._fill, self._stroke_width * self._scale) + \
self._footer())
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
self._svg_width, self._svg_height)
context = cairo.Context(surface)
Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
context.rectangle(0, 0, self._svg_width, self._svg_height)
context.fill()
# self._dot_cache[color] = surface
return surface # self._dot_cache[color]
def _new_background(self, color):
''' Background color '''
self._svg_width = int(self._width)
self._svg_height = int(self._height)
string = \
self._header() + \
'<rect width="%f" height="%f" x="%f" \
y="%f" fill="%s" stroke="none" visibility="visible" />' % (
self._width, self._height, 0, 0, color) + \
self._footer()
pixbuf = svg_str_to_pixbuf(string)
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
self._svg_width, self._svg_height)
context = cairo.Context(surface)
Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
context.rectangle(0, 0, self._svg_width, self._svg_height)
context.fill()
return surface
def _new_xo_man(self, color):
''' generate a xo-man of a color color '''
if True: # not color in self._xo_cache:
self._stroke = color[0]
self._fill = color[1]
self._svg_width = int(240. * self._scale)
self._svg_height = int(260. * self._scale)
string = \
self._header() + \
'<g>' + \
'<g id="XO">' + \
'<path id="Line1" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 97 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 188 * self._scale,
self._stroke, 37 * self._scale) + \
'<path id="Line2" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 188 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 97 * self._scale,
self._stroke, 37 * self._scale) + \
'<path id="Fill1" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 97 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 188 * self._scale,
self._fill, 17 * self._scale) + \
'<path id="Fill2" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 188 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 97 * self._scale,
self._fill, 17 * self._scale) + \
'<circle id="Circle" cx="%f" cy="%f" r="%f" \
fill="%s" stroke="%s" stroke-width="%f" visibility="visible" />' % (
120 * self._scale, 61.5 * self._scale,
27.5 * self._scale,
self._fill, self._stroke, 11 * self._scale) + \
'</g></g>' + \
self._footer()
pixbuf = svg_str_to_pixbuf(string)
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
self._svg_width, self._svg_height)
context = cairo.Context(surface)
Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
context.rectangle(0, 0, self._svg_width, self._svg_height)
context.fill()
# self._xo_cache[color] = surface
return surface # self._xo_cache[color]
def _header(self):
return '<svg\n' + 'xmlns:svg="http:#www.w3.org/2000/svg"\n' + \
'xmlns="http://www.w3.org/2000/svg"\n' + \
'xmlns:xlink="http://www.w3.org/1999/xlink"\n' + \
'version="1.1"\n' + 'width="' + str(self._svg_width) + '"\n' + \
'height="' + str(self._svg_height) + '">\n'
def _footer(self):
return '</svg>\n'
class Game():
def __init__(self,
canvas,
parent=None,
path=None,
root=None,
mode='array',
colors=['#A0FFA0', '#FF8080']):
self._canvas = canvas
self._parent = parent
self._path = path
self._root = root
self._mode = mode
self.current_image = 0
self.playing = False
self._timeout_id = None
self._prev_mouse_pos = (0, 0)
self._start_time = 0
self._colors = ['#FFFFFF']
self._colors.append(colors[0])
self._colors.append(colors[1])
self._canvas.add_events(Gdk.EventMask.BUTTON_PRESS_MASK
| Gdk.EventMask.BUTTON_RELEASE_MASK
| Gdk.EventMask.BUTTON_MOTION_MASK
| Gdk.EventMask.POINTER_MOTION_MASK
| Gdk.EventMask.POINTER_MOTION_HINT_MASK
| Gdk.EventMask.TOUCH_MASK)
self._canvas.connect('draw', self.__draw_cb)
self._canvas.connect('event', self.__event_cb)
self.configure(move=False)
self.we_are_sharing = False
self._start_time = 0
self._timeout_id = None
# Find the image files
self._PATHS = glob.glob(os.path.join(self._path, 'images', '*.svg'))
# Generate the sprites we'll need...
self._sprites = Sprites(self._canvas)
a = max(Gdk.Screen.width(), Gdk.Screen.height())
b = min(Gdk.Screen.width(), Gdk.Screen.height())
self._bg_pixbufs = []
if self._parent.tablet_mode: # text on top
# landscape
self._bg_pixbufs.append(
svg_str_to_pixbuf(
genhole(a, a, 3 * style.GRID_CELL_SIZE,
style.DEFAULT_SPACING,
a - 3 * style.GRID_CELL_SIZE,
style.GRID_CELL_SIZE * 3 + style.DEFAULT_SPACING)))
# portrait
self._bg_pixbufs.append(
svg_str_to_pixbuf(
genhole(a, a, 3 * style.GRID_CELL_SIZE,
style.DEFAULT_SPACING,
b - 3 * style.GRID_CELL_SIZE,
style.GRID_CELL_SIZE * 3 + style.DEFAULT_SPACING)))
else: # text on bottom
# landscape
self._bg_pixbufs.append(
svg_str_to_pixbuf(
genhole(
a, a, 3 * style.GRID_CELL_SIZE,
b - style.GRID_CELL_SIZE * 4 - style.DEFAULT_SPACING,
a - 3 * style.GRID_CELL_SIZE,
b - style.GRID_CELL_SIZE - style.DEFAULT_SPACING)))
# portrait
self._bg_pixbufs.append(
svg_str_to_pixbuf(
genhole(
a, a, 3 * style.GRID_CELL_SIZE,
a - style.GRID_CELL_SIZE * 4 - style.DEFAULT_SPACING,
b - 3 * style.GRID_CELL_SIZE,
a - style.GRID_CELL_SIZE - style.DEFAULT_SPACING)))
if Gdk.Screen.width() > Gdk.Screen.height():
self._bg = Sprite(self._sprites, 0, 0, self._bg_pixbufs[0])
else:
self._bg = Sprite(self._sprites, 0, 0, self._bg_pixbufs[1])
self._bg.set_layer(-2)
self._bg.type = 'background'
size = 3 * self._dot_size + 4 * self._space
x = int((Gdk.Screen.width() - size) / 2.)
self._dots = []
self._Dots = [] # larger dots for linear mode
X = int((Gdk.Screen.width() - self._dot_size * 3) / 2.)
Y = style.GRID_CELL_SIZE + self._yoff
if self._parent.tablet_mode:
yoffset = self._space * 2 + self._yoff
else:
yoffset = self._yoff
for y in range(3):
for x in range(3):
xoffset = int(
(self._width - 3 * self._dot_size - 2 * self._space) / 2.)
self._dots.append(
Sprite(self._sprites,
xoffset + x * (self._dot_size + self._space),
y * (self._dot_size + self._space) + yoffset,
self._new_dot_surface(color=self._colors[0])))
self._dots[-1].type = -1 # No image
self._dots[-1].set_label_attributes(72)
self._dots[-1].set_label('?')
self._Dots.append(
Sprite(
self._sprites, X, Y,
self._new_dot_surface(color=self._colors[0],
large=True)))
self._Dots[-1].type = -1 # No image
self._Dots[-1].set_label_attributes(72 * 3)
self._Dots[-1].set_label('?')
self.number_of_images = len(self._PATHS)
if USE_ART4APPS:
self._art4apps = Art4Apps()
self.number_of_images = len(self._art4apps.get_words())
self._record_pixbufs = []
for icon in ['media-audio', 'media-audio-recording']:
self._record_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
self._play_pixbufs = []
for icon in ['play-inactive', 'play']:
self._play_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
self._speak_pixbufs = []
for icon in ['speak-inactive', 'speak']:
self._speak_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
left = style.GRID_CELL_SIZE
right = Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE
y0 = style.DEFAULT_SPACING + style.DEFAULT_PADDING
y1 = y0 + style.GRID_CELL_SIZE
y2 = y1 + style.GRID_CELL_SIZE
if not self._parent.tablet_mode:
dy = Gdk.Screen.height() - 4 * style.GRID_CELL_SIZE - \
2 * style.DEFAULT_SPACING
y0 += dy
y1 += dy
y2 += dy
y3 = int((Gdk.Screen.height() - 2 * style.GRID_CELL_SIZE) / 2)
self._record = Sprite(self._sprites, right, y0,
self._record_pixbufs[RECORD_OFF])
self._record.set_layer(1)
self._record.type = 'record'
self._play = Sprite(self._sprites, right, y1,
self._play_pixbufs[PLAY_OFF])
self._play.set_layer(1)
self._play.type = 'play-inactive'
self._speak = Sprite(self._sprites, right, y2,
self._speak_pixbufs[SPEAK_OFF])
self._speak.set_layer(1)
self._speak.type = 'speak-inactive'
self._next_prev_pixbufs = []
for icon in [
'go-previous', 'go-next', 'go-previous-inactive',
'go-next-inactive'
]:
self._next_prev_pixbufs.append(
GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._root, 'icons', icon + '.svg'),
style.GRID_CELL_SIZE, style.GRID_CELL_SIZE))
self._prev = Sprite(self._sprites, left, y3,
self._next_prev_pixbufs[PREV_INACTIVE])
self._prev.set_layer(1)
self._prev.type = 'prev'
if self._mode == 'array':
self._prev.hide()
self._next = Sprite(self._sprites, right, y3,
self._next_prev_pixbufs[NEXT])
self._next.set_layer(1)
self._next.type = 'next'
if self._mode == 'array':
self._next.hide()
def configure(self, move=True):
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - style.GRID_CELL_SIZE
if not move:
if self._height < self._width:
self._scale = self._height / (3 * DOT_SIZE * 1.2)
else:
self._scale = self._width / (3 * DOT_SIZE * 1.2)
self._scale /= 1.5
self._dot_size = int(DOT_SIZE * self._scale)
if self._parent.tablet_mode: # text on top
self._yoff = style.GRID_CELL_SIZE * 3 + style.DEFAULT_SPACING
else:
self._yoff = style.DEFAULT_SPACING
self._space = int(self._dot_size / 5.)
return
left = style.GRID_CELL_SIZE
right = Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE
y0 = style.DEFAULT_SPACING + style.DEFAULT_PADDING
y1 = y0 + style.GRID_CELL_SIZE
y2 = y1 + style.GRID_CELL_SIZE
if not self._parent.tablet_mode:
dy = Gdk.Screen.height() - 4 * style.GRID_CELL_SIZE - \
2 * style.DEFAULT_SPACING
y0 += dy
y1 += dy
y2 += dy
y3 = int((Gdk.Screen.height() - 2 * style.GRID_CELL_SIZE) / 2)
self._record.move((right, y0))
self._play.move((right, y1))
self._speak.move((right, y2))
self._prev.move((left, y3))
self._next.move((right, y3))
# Move the dots
X = int((Gdk.Screen.width() - self._dot_size * 3) / 2.)
Y = style.GRID_CELL_SIZE + self._yoff
if self._parent.tablet_mode:
yoffset = self._space * 2 + self._yoff
else:
yoffset = self._yoff
for y in range(3):
for x in range(3):
xoffset = int(
(self._width - 3 * self._dot_size - 2 * self._space) / 2.)
self._dots[x + y * 3].move(
(xoffset + x * (self._dot_size + self._space),
y * (self._dot_size + self._space) + yoffset))
self._Dots[x + y * 3].move((X, Y))
# switch orientation the bg sprite
if Gdk.Screen.width() > Gdk.Screen.height():
self._bg.set_image(self._bg_pixbufs[0])
else:
self._bg.set_image(self._bg_pixbufs[1])
self._bg.set_layer(-2)
def set_speak_icon_state(self, state):
if state:
self._speak.set_image(self._speak_pixbufs[SPEAK_ON])
self._speak.type = 'speak'
else:
self._speak.set_image(self._speak_pixbufs[SPEAK_OFF])
self._speak.type = 'speak-inactive'
self._speak.set_layer(1)
def set_record_icon_state(self, state):
if state:
self._record.set_image(self._record_pixbufs[RECORD_ON])
else:
self._record.set_image(self._record_pixbufs[RECORD_OFF])
self._record.set_layer(1)
def set_play_icon_state(self, state):
if state:
self._play.set_image(self._play_pixbufs[PLAY_ON])
self._play.type = 'play'
else:
self._play.set_image(self._play_pixbufs[PLAY_OFF])
self._play.type = 'play-inactive'
self._play.set_layer(1)
def autoplay(self):
self.set_mode('linear') # forces current image to 0
self.playing = True
self._autonext(next=False)
def stop(self):
self.playing = False
if self._parent.audio_process is not None:
self._parent.audio_process.terminate()
self._parent.audio_process = None
if self._timeout_id is not None:
GObject.source_remove(self._timeout_id)
self._timeout_id = None
self._parent.autoplay_button.set_icon_name('media-playback-start')
self._parent.autoplay_button.set_tooltip(_('Play'))
self._parent.array_button.set_sensitive(True)
def _autonext(self, next=True):
self._timeout_id = None
if not self.playing:
return
if next:
self._Dots[self.current_image].hide()
self.current_image += 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 8:
self._next.set_image(self._next_prev_pixbufs[NEXT_INACTIVE])
self._next.set_layer(1)
self._prev.set_image(self._next_prev_pixbufs[PREV])
self._prev.set_layer(1)
self._parent.check_audio_status()
self._parent.check_text_status()
GObject.idle_add(self._play_sound)
def _poll_audio(self):
if self._parent.audio_process is None: # Already stopped?
return
if self._parent.audio_process.poll() is None:
GObject.timeout_add(200, self._poll_audio)
else:
self._parent.audio_process = None
self._next_image()
def _play_sound(self):
self._start_time = time.time()
# Either play back a recording or speak the text
if self._play.type == 'play':
self._parent.playback_recording_cb()
self._poll_audio()
elif self._speak.type == 'speak':
bounds = self._parent.text_buffer.get_bounds()
text = self._parent.text_buffer.get_text(bounds[0], bounds[1],
True)
speak(text)
self._next_image()
def _next_image(self):
accumulated_time = int(time.time() - self._start_time)
if accumulated_time < 5:
pause = 5 - accumulated_time
else:
pause = 1
if self.playing and self.current_image < 8:
self._timeout_id = GObject.timeout_add(pause * 1000,
self._autonext)
else:
self.stop()
def __event_cb(self, win, event):
''' The mouse button was pressed. Is it on a sprite? or
there was a gesture. '''
left = right = False
if event.type in (Gdk.EventType.TOUCH_BEGIN,
Gdk.EventType.TOUCH_CANCEL, Gdk.EventType.TOUCH_END,
Gdk.EventType.BUTTON_PRESS,
Gdk.EventType.BUTTON_RELEASE):
x = int(event.get_coords()[1])
y = int(event.get_coords()[2])
if event.type in (Gdk.EventType.TOUCH_BEGIN,
Gdk.EventType.BUTTON_PRESS):
self._prev_mouse_pos = (x, y)
elif event.type in (Gdk.EventType.TOUCH_END,
Gdk.EventType.BUTTON_RELEASE):
if self._parent.audio_process is not None:
self._parent.audio_process.terminate()
self._parent.audio_process = None
terminated_audio = True
else:
terminated_audio = False
if self.playing:
self.stop()
new_mouse_pos = (x, y)
mouse_movement = (new_mouse_pos[0] - self._prev_mouse_pos[0],
new_mouse_pos[1] - self._prev_mouse_pos[1])
# horizontal gestures only
if (abs(mouse_movement[0]) / 5) > abs(mouse_movement[1]):
if abs(mouse_movement[0]) > abs(mouse_movement[1]):
if mouse_movement[0] < 0:
right = True
else:
left = True
if event.type in (Gdk.EventType.TOUCH_END,
Gdk.EventType.BUTTON_RELEASE):
spr = self._sprites.find_sprite((x, y))
if left or right or spr is not None:
if spr.type in [
'record', 'play', 'play-inactive', 'speak',
'speak-inactive'
]:
if spr.type == 'record':
self._parent.record_cb()
elif spr.type == 'play' and not terminated_audio:
self._parent.playback_recording_cb()
elif spr.type == 'speak':
bounds = self._parent.text_buffer.get_bounds()
text = self._parent.text_buffer.get_text(
bounds[0], bounds[1], True)
speak(text)
return
elif self._mode == 'array':
return
self._parent.speak_text_cb()
if self._parent.recording:
self._parent.record_cb()
if (left or spr.type == 'prev') and self.current_image > 0:
self._Dots[self.current_image].hide()
self.current_image -= 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 0:
self._prev.set_image(
self._next_prev_pixbufs[PREV_INACTIVE])
self._next.set_image(self._next_prev_pixbufs[NEXT])
elif (right or spr.type == 'next') and self.current_image < 8:
self._Dots[self.current_image].hide()
self.current_image += 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 8:
self._next.set_image(
self._next_prev_pixbufs[NEXT_INACTIVE])
self._prev.set_image(self._next_prev_pixbufs[PREV])
elif spr.type not in ['prev', 'background'] and \
self.current_image < 8:
self._Dots[self.current_image].hide()
self.current_image += 1
self._Dots[self.current_image].set_layer(100)
if self.current_image == 8:
self._next.set_image(
self._next_prev_pixbufs[NEXT_INACTIVE])
self._prev.set_image(self._next_prev_pixbufs[PREV])
self._parent.check_audio_status()
self._parent.check_text_status()
self._prev.set_layer(1)
self._next.set_layer(1)
return False
def get_mode(self):
return self._mode
def set_mode(self, mode):
self.current_image = 0
self._prev.set_image(self._next_prev_pixbufs[PREV_INACTIVE])
self._next.set_image(self._next_prev_pixbufs[NEXT])
if mode == 'array':
self._mode = 'array'
self._prev.hide()
self._next.hide()
else:
self._mode = 'linear'
self._prev.set_layer(1)
self._next.set_layer(1)
for i in range(9):
if self._mode == 'array':
self._dots[i].set_layer(100)
self._Dots[i].hide()
else:
self._dots[i].hide()
if self.current_image == i:
self._Dots[i].set_layer(100)
else:
self._Dots[i].hide()
def _all_clear(self):
''' Things to reinitialize when starting up a new game. '''
if self._timeout_id is not None:
GObject.source_remove(self._timeout_id)
self.set_mode(self._mode)
if self._mode == 'array':
for dot in self._dots:
if dot.type != -1:
dot.type = -1
dot.set_shape(
self._new_dot_surface(self._colors[abs(dot.type)]))
dot.set_label('?')
else:
for dot in self._Dots:
if dot.type != -1:
dot.type = -1
dot.set_shape(
self._new_dot_surface(self._colors[abs(dot.type)],
large=True))
dot.set_label('?')
self._dance_counter = 0
self._dance_step()
def _dance_step(self):
''' Short animation before loading new game '''
if self._mode == 'array':
for dot in self._dots:
dot.set_shape(
self._new_dot_surface(self._colors[int(uniform(0, 3))]))
else:
self._Dots[0].set_shape(
self._new_dot_surface(self._colors[int(uniform(0, 3))],
large=True))
self._dance_counter += 1
if self._dance_counter < 10:
self._timeout_id = GObject.timeout_add(500, self._dance_step)
else:
self._new_images()
def new_game(self):
''' Start a new game. '''
self._all_clear()
def _new_images(self):
''' Select pictures at random '''
used_images = [0] * self.number_of_images
for i in range(9):
random_selection = int(uniform(0, self.number_of_images))
while used_images[random_selection] != 0:
random_selection = int(uniform(0, self.number_of_images))
used_images[random_selection] = 1
self._dots[i].set_label('')
self._dots[i].type = random_selection
self._dots[i].set_shape(
self._new_dot_surface(image=self._dots[i].type))
self._Dots[i].set_label('')
self._Dots[i].type = self._dots[i].type
self._Dots[i].set_shape(
self._new_dot_surface(image=self._Dots[i].type, large=True))
if self._mode == 'array':
self._dots[i].set_layer(100)
self._Dots[i].hide()
else:
if self.current_image == i:
self._Dots[i].set_layer(100)
else:
self._Dots[i].hide()
self._dots[i].hide()
if self.we_are_sharing:
self._parent.send_new_images()
def restore_game(self, dot_list):
''' Restore a game from the Journal or share '''
self.set_mode(self._mode)
for i, dot in enumerate(dot_list):
self._dots[i].type = dot
self._dots[i].set_shape(
self._new_dot_surface(image=self._dots[i].type))
self._dots[i].set_label('')
self._Dots[i].type = dot
self._Dots[i].set_shape(
self._new_dot_surface(image=self._Dots[i].type, large=True))
self._Dots[i].set_label('')
if self._mode == 'array':
self._dots[i].set_layer(100)
self._Dots[i].hide()
else:
if self.current_image == i:
self._Dots[i].set_layer(100)
else:
self._Dots[i].hide()
self._dots[i].hide()
def save_game(self):
''' Return dot list for saving to Journal or
sharing '''
dot_list = []
for dot in self._dots:
dot_list.append(dot.type)
return dot_list
def set_sharing(self, share=True):
self.we_are_sharing = share
def _grid_to_dot(self, pos):
''' calculate the dot index from a column and row in the grid '''
return pos[0] + pos[1] * 3
def _dot_to_grid(self, dot):
''' calculate the grid column and row for a dot '''
return [dot % 3, int(dot / 3)]
def __draw_cb(self, canvas, cr):
self._sprites.redraw_sprites(cr=cr)
def __expose_cb(self, win, event):
''' Callback to handle window expose events '''
self.do_expose_event(event)
return True
# Handle the expose-event by drawing
def do_expose_event(self, event):
# Create the cairo context
cr = self._canvas.window.cairo_create()
# Restrict Cairo to the exposed area; avoid extra work
cr.rectangle(event.area.x, event.area.y, event.area.width,
event.area.height)
cr.clip()
# Refresh sprite list
if cr is not None:
self._sprites.redraw_sprites(cr=cr)
def _destroy_cb(self, win, event):
Gtk.main_quit()
def export(self):
''' Write dot to cairo surface. '''
if self._mode == 'array':
w = h = int(4 * self._space + 3 * self._dot_size)
png_surface = cairo.ImageSurface(cairo.FORMAT_RGB24, w, h)
cr = cairo.Context(png_surface)
cr.set_source_rgb(192, 192, 192)
cr.rectangle(0, 0, w, h)
cr.fill()
for i in range(9):
y = self._space + int(i / 3.) * (self._dot_size + self._space)
x = self._space + (i % 3) * (self._dot_size + self._space)
cr.save()
cr.set_source_surface(self._dots[i].images[0], x, y)
cr.rectangle(x, y, self._dot_size, self._dot_size)
cr.fill()
cr.restore()
else:
w = h = int(2 * self._space + 3 * self._dot_size)
png_surface = cairo.ImageSurface(cairo.FORMAT_RGB24, w, h)
cr = cairo.Context(png_surface)
cr.set_source_rgb(192, 192, 192)
cr.rectangle(0, 0, w, h)
cr.fill()
y = self._space
x = self._space
cr.save()
cr.set_source_surface(self._Dots[self.current_image].images[0], x,
y)
cr.rectangle(x, y, 3 * self._dot_size, 3 * self._dot_size)
cr.fill()
cr.restore()
return png_surface
def _new_dot_surface(self, color='#000000', image=None, large=False):
''' generate a dot of a color color '''
if large:
size = self._dot_size * 3
else:
size = self._dot_size
self._svg_width = size
self._svg_height = size
if image is None: # color dot
self._stroke = color
self._fill = color
pixbuf = svg_str_to_pixbuf(self._header() +
self._circle(size / 2., size /
2., size / 2.) +
self._footer())
else:
if USE_ART4APPS:
word = self._art4apps.get_words()[image]
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
self._art4apps.get_image_filename(word), size, size)
except Exception, e:
_logger.error('new dot surface %s %s: %s' %
(image, word, e))
word = 'zebra' # default in case image is not found
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
self._art4apps.get_image_filename(word), size, size)
else:
class BBoardActivity(activity.Activity):
''' Make a slideshow from starred Journal entries. '''
def __init__(self, handle):
''' Initialize the toolbars and the work surface '''
super(BBoardActivity, self).__init__(handle)
self.datapath = get_path(activity, 'instance')
self._hw = get_hardware()
self._playback_buttons = {}
self._audio_recordings = {}
self.colors = profile.get_color().to_string().split(',')
self._setup_toolbars()
self._setup_canvas()
self.slides = []
self._setup_workspace()
self._buddies = [profile.get_nick_name()]
self._setup_presence_service()
self._thumbs = []
self._thumbnail_mode = False
self._recording = False
self._grecord = None
self._alert = None
self._dirty = False
def _setup_canvas(self):
''' Create a canvas '''
self._canvas = gtk.DrawingArea()
self._canvas.set_size_request(int(gtk.gdk.screen_width()),
int(gtk.gdk.screen_height()))
self._canvas.show()
self.set_canvas(self._canvas)
self.show_all()
self._canvas.set_flags(gtk.CAN_FOCUS)
self._canvas.add_events(gtk.gdk.BUTTON_PRESS_MASK)
self._canvas.add_events(gtk.gdk.POINTER_MOTION_MASK)
self._canvas.add_events(gtk.gdk.BUTTON_RELEASE_MASK)
self._canvas.add_events(gtk.gdk.KEY_PRESS_MASK)
self._canvas.connect("expose-event", self._expose_cb)
self._canvas.connect("button-press-event", self._button_press_cb)
self._canvas.connect("button-release-event", self._button_release_cb)
self._canvas.connect("motion-notify-event", self._mouse_move_cb)
def _setup_workspace(self):
''' Prepare to render the datastore entries. '''
# Use the lighter color for the text background
if lighter_color(self.colors) == 0:
tmp = self.colors[0]
self.colors[0] = self.colors[1]
self.colors[1] = tmp
self._width = gtk.gdk.screen_width()
self._height = gtk.gdk.screen_height()
self._scale = gtk.gdk.screen_height() / 900.
if not HAVE_TOOLBOX and self._hw[0:2] == 'xo':
titlef = 18
descriptionf = 12
else:
titlef = 36
descriptionf = 24
self._find_starred()
for ds in self.dsobjects:
if 'title' in ds.metadata:
title = ds.metadata['title']
else:
title = None
pixbuf = None
media_object = False
mimetype = None
if 'mime_type' in ds.metadata:
mimetype = ds.metadata['mime_type']
if mimetype[0:5] == 'image':
pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(
ds.file_path, MAXX, MAXY)
# ds.file_path, 300, 225)
media_object = True
else:
pixbuf = get_pixbuf_from_journal(ds, MAXX, MAXY) # 300, 225)
if 'description' in ds.metadata:
desc = ds.metadata['description']
else:
desc = None
self.slides.append(Slide(True, ds.object_id, self.colors,
title, pixbuf, desc))
# Generate the sprites we'll need...
self._sprites = Sprites(self._canvas)
self._help = Sprite(
self._sprites,
int((self._width - int(PREVIEWW * self._scale)) / 2),
int(PREVIEWY * self._scale),
gtk.gdk.pixbuf_new_from_file_at_size(
os.path.join(activity.get_bundle_path(), 'help.png'),
int(PREVIEWW * self._scale), int(PREVIEWH * self._scale)))
self._help.hide()
self._genblanks(self.colors)
self._title = Sprite(self._sprites, 0, 0, self._title_pixbuf)
self._title.set_label_attributes(int(titlef * self._scale),
rescale=False)
self._preview = Sprite(self._sprites,
int((self._width - int(PREVIEWW * self._scale)) / 2),
int(PREVIEWY * self._scale), self._preview_pixbuf)
self._description = Sprite(self._sprites,
int(DESCRIPTIONX * self._scale),
int(DESCRIPTIONY * self._scale),
self._desc_pixbuf)
self._description.set_label_attributes(int(descriptionf * self._scale))
self._my_canvas = Sprite(self._sprites, 0, 0, self._canvas_pixbuf)
self._my_canvas.set_layer(BOTTOM)
self._clear_screen()
self.i = 0
self._show_slide()
self._playing = False
self._rate = 10
def _genblanks(self, colors):
''' Need to cache these '''
self._title_pixbuf = svg_str_to_pixbuf(
genblank(self._width, int(TITLEH * self._scale), colors))
self._preview_pixbuf = svg_str_to_pixbuf(
genblank(int(PREVIEWW * self._scale), int(PREVIEWH * self._scale),
colors))
self._desc_pixbuf = svg_str_to_pixbuf(
genblank(int(self._width - (2 * DESCRIPTIONX * self._scale)),
int(DESCRIPTIONH * self._scale), colors))
self._canvas_pixbuf = svg_str_to_pixbuf(
genblank(self._width, self._height, (colors[0], colors[0])))
def _setup_toolbars(self):
''' Setup the toolbars. '''
self.max_participants = 6
if HAVE_TOOLBOX:
toolbox = ToolbarBox()
# Activity toolbar
activity_button_toolbar = ActivityToolbarButton(self)
toolbox.toolbar.insert(activity_button_toolbar, 0)
activity_button_toolbar.show()
self.set_toolbar_box(toolbox)
toolbox.show()
self.toolbar = toolbox.toolbar
self.record_toolbar = gtk.Toolbar()
record_toolbar_button = ToolbarButton(
label=_('Record a sound'),
page=self.record_toolbar,
icon_name='media-audio')
self.record_toolbar.show_all()
record_toolbar_button.show()
toolbox.toolbar.insert(record_toolbar_button, -1)
else:
# Use pre-0.86 toolbar design
primary_toolbar = gtk.Toolbar()
toolbox = activity.ActivityToolbox(self)
self.set_toolbox(toolbox)
toolbox.add_toolbar(_('Page'), primary_toolbar)
self.record_toolbar = gtk.Toolbar()
toolbox.add_toolbar(_('Record'), self.record_toolbar)
toolbox.show()
toolbox.set_current_toolbar(1)
self.toolbar = primary_toolbar
self._prev_button = button_factory(
'go-previous-inactive', self.toolbar, self._prev_cb,
tooltip=_('Prev slide'), accelerator='<Ctrl>P')
self._next_button = button_factory(
'go-next', self.toolbar, self._next_cb,
tooltip=_('Next slide'), accelerator='<Ctrl>N')
separator_factory(self.toolbar)
slide_button = radio_factory('slide-view', self.toolbar,
self._slides_cb, group=None,
tooltip=_('Slide view'))
radio_factory('thumbs-view', self.toolbar, self._thumbs_cb,
tooltip=_('Thumbnail view'),
group=slide_button)
button_factory('view-fullscreen', self.toolbar,
self.do_fullscreen_cb, tooltip=_('Fullscreen'),
accelerator='<Alt>Return')
separator_factory(self.toolbar)
journal_button = button_factory(
'write-journal', self.toolbar, self._do_journal_cb,
tooltip=_('Update description'))
self._palette = journal_button.get_palette()
msg_box = gtk.HBox()
sw = gtk.ScrolledWindow()
sw.set_size_request(int(gtk.gdk.screen_width() / 2),
2 * style.GRID_CELL_SIZE)
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
self._text_view = gtk.TextView()
self._text_view.set_left_margin(style.DEFAULT_PADDING)
self._text_view.set_right_margin(style.DEFAULT_PADDING)
self._text_view.set_wrap_mode(gtk.WRAP_WORD_CHAR)
self._text_view.connect('focus-out-event',
self._text_view_focus_out_event_cb)
sw.add(self._text_view)
sw.show()
msg_box.pack_start(sw, expand=False)
msg_box.show_all()
self._palette.set_content(msg_box)
label_factory(self.record_toolbar, _('Record a sound') + ':')
self._record_button = button_factory(
'media-record', self.record_toolbar,
self._record_cb, tooltip=_('Start recording'))
separator_factory(self.record_toolbar)
# Look to see if we have audio previously recorded
obj_id = self._get_audio_obj_id()
dsobject = self._search_for_audio_note(obj_id)
if dsobject is not None:
_logger.debug('Found previously recorded audio')
self._add_playback_button(profile.get_nick_name(),
self.colors,
dsobject.file_path)
if HAVE_TOOLBOX:
button_factory('system-restart', activity_button_toolbar,
self._resend_cb, tooltip=_('Refresh'))
separator_factory(activity_button_toolbar)
self._save_pdf = button_factory(
'save-as-pdf', activity_button_toolbar,
self._save_as_pdf_cb, tooltip=_('Save as PDF'))
else:
separator_factory(self.toolbar)
self._save_pdf = button_factory(
'save-as-pdf', self.toolbar,
self._save_as_pdf_cb, tooltip=_('Save as PDF'))
if HAVE_TOOLBOX:
separator_factory(toolbox.toolbar, True, False)
stop_button = StopButton(self)
stop_button.props.accelerator = '<Ctrl>q'
toolbox.toolbar.insert(stop_button, -1)
stop_button.show()
def _do_journal_cb(self, button):
self._dirty = True
if self._palette:
if not self._palette.is_up():
self._palette.popup(immediate=True,
state=self._palette.SECONDARY)
else:
self._palette.popdown(immediate=True)
return
def _text_view_focus_out_event_cb(self, widget, event):
buffer = self._text_view.get_buffer()
start_iter = buffer.get_start_iter()
end_iter = buffer.get_end_iter()
self.slides[self.i].desc = buffer.get_text(start_iter, end_iter)
self._show_slide()
def _destroy_cb(self, win, event):
''' Clean up on the way out. '''
gtk.main_quit()
def _find_starred(self):
''' Find all the favorites in the Journal. '''
self.dsobjects, nobjects = datastore.find({'keep': '1'})
_logger.debug('found %d starred items', nobjects)
def _prev_cb(self, button=None):
''' The previous button has been clicked; goto previous slide. '''
if self.i > 0:
self.i -= 1
self._show_slide(direction=-1)
def _next_cb(self, button=None):
''' The next button has been clicked; goto next slide. '''
if self.i < len(self.slides) - 1:
self.i += 1
self._show_slide()
def _save_as_pdf_cb(self, button=None):
''' Export an PDF version of the slideshow to the Journal. '''
_logger.debug('saving to PDF...')
if 'description' in self.metadata:
tmp_file = save_pdf(self, self._buddies,
description=self.metadata['description'])
else:
tmp_file = save_pdf(self, self._buddies)
_logger.debug('copying PDF file to Journal...')
dsobject = datastore.create()
dsobject.metadata['title'] = profile.get_nick_name() + ' ' + \
_('Bboard')
dsobject.metadata['icon-color'] = profile.get_color().to_string()
dsobject.metadata['mime_type'] = 'application/pdf'
dsobject.set_file_path(tmp_file)
dsobject.metadata['activity'] = 'org.laptop.sugar.ReadActivity'
datastore.write(dsobject)
dsobject.destroy()
return
def _clear_screen(self):
''' Clear the screen to the darker of the two user colors. '''
self._title.hide()
self._preview.hide()
self._description.hide()
if hasattr(self, '_thumbs'):
for thumbnail in self._thumbs:
thumbnail[0].hide()
self.invalt(0, 0, self._width, self._height)
# Reset drag settings
self._press = None
self._release = None
self._dragpos = [0, 0]
self._total_drag = [0, 0]
self.last_spr_moved = None
def _update_colors(self):
''' Match the colors to those of the slide originator. '''
if len(self.slides) == 0:
return
self._genblanks(self.slides[self.i].colors)
self._title.set_image(self._title_pixbuf)
self._preview.set_image(self._preview_pixbuf)
self._description.set_image(self._desc_pixbuf)
self._my_canvas.set_image(self._canvas_pixbuf)
def _show_slide(self, direction=1):
''' Display a title, preview image, and decription for slide. '''
self._clear_screen()
self._update_colors()
if len(self.slides) == 0:
self._prev_button.set_icon('go-previous-inactive')
self._next_button.set_icon('go-next-inactive')
self._description.set_label(
_('Do you have any items in your Journal starred?'))
self._help.set_layer(TOP)
self._description.set_layer(MIDDLE)
return
if self.i == 0:
self._prev_button.set_icon('go-previous-inactive')
else:
self._prev_button.set_icon('go-previous')
if self.i == len(self.slides) - 1:
self._next_button.set_icon('go-next-inactive')
else:
self._next_button.set_icon('go-next')
pixbuf = self.slides[self.i].pixbuf
if pixbuf is not None:
self._preview.set_shape(pixbuf.scale_simple(
int(PREVIEWW * self._scale),
int(PREVIEWH * self._scale),
gtk.gdk.INTERP_NEAREST))
self._preview.set_layer(MIDDLE)
else:
if self._preview is not None:
self._preview.hide()
self._title.set_label(self.slides[self.i].title)
self._title.set_layer(MIDDLE)
if self.slides[self.i].desc is not None:
self._description.set_label(self.slides[self.i].desc)
self._description.set_layer(MIDDLE)
text_buffer = gtk.TextBuffer()
text_buffer.set_text(self.slides[self.i].desc)
self._text_view.set_buffer(text_buffer)
else:
self._description.set_label('')
self._description.hide()
def _add_playback_button(self, nick, colors, audio_file):
''' Add a toolbar button for this audio recording '''
if nick not in self._playback_buttons:
self._playback_buttons[nick] = button_factory(
'xo-chat', self.record_toolbar,
self._playback_recording_cb, cb_arg=nick,
tooltip=_('Audio recording by %s') % (nick))
xocolor = XoColor('%s,%s' % (colors[0], colors[1]))
icon = Icon(icon_name='xo-chat', xo_color=xocolor)
icon.show()
self._playback_buttons[nick].set_icon_widget(icon)
self._playback_buttons[nick].show()
self._audio_recordings[nick] = audio_file
def _slides_cb(self, button=None):
if self._thumbnail_mode:
self._thumbnail_mode = False
self.i = self._current_slide
self._show_slide()
def _thumbs_cb(self, button=None):
''' Toggle between thumbnail view and slideshow view. '''
if not self._thumbnail_mode:
self._current_slide = self.i
self._thumbnail_mode = True
self._clear_screen()
self._prev_button.set_icon('go-previous-inactive')
self._next_button.set_icon('go-next-inactive')
n = int(ceil(sqrt(len(self.slides))))
if n > 0:
w = int(self._width / n)
else:
w = self._width
h = int(w * 0.75) # maintain 4:3 aspect ratio
x_off = int((self._width - n * w) / 2)
x = x_off
y = 0
self._thumbs = []
for i in range(len(self.slides)):
self._show_thumb(i, x, y, w, h)
x += w
if x + w > self._width:
x = x_off
y += h
self.i = 0 # Reset position in slideshow to the beginning
return False
def _show_thumb(self, i, x, y, w, h):
''' Display a preview image and title as a thumbnail. '''
pixbuf = self.slides[i].pixbuf
if pixbuf is not None:
pixbuf_thumb = pixbuf.scale_simple(
int(w), int(h), gtk.gdk.INTERP_TILES)
else:
pixbuf_thumb = svg_str_to_pixbuf(
genblank(int(w), int(h), self.slides[i].colors))
# Create a Sprite for this thumbnail
self._thumbs.append([Sprite(self._sprites, x, y, pixbuf_thumb),
x, y, i])
self._thumbs[i][0].set_image(
svg_str_to_pixbuf(svg_rectangle(int(w), int(h),
self.slides[i].colors)), i=1)
self._thumbs[i][0].set_layer(TOP)
def _expose_cb(self, win, event):
''' Callback to handle window expose events '''
self.do_expose_event(event)
return True
# Handle the expose-event by drawing
def do_expose_event(self, event):
# Create the cairo context
cr = self.canvas.window.cairo_create()
# Restrict Cairo to the exposed area; avoid extra work
cr.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
cr.clip()
# Refresh sprite list
self._sprites.redraw_sprites(cr=cr)
def write_file(self, file_path):
''' Clean up '''
if self._dirty:
self._save_descriptions_cb()
self._dirty = False
if os.path.exists(os.path.join(self.datapath, 'output.ogg')):
os.remove(os.path.join(self.datapath, 'output.ogg'))
def do_fullscreen_cb(self, button):
''' Hide the Sugar toolbars. '''
self.fullscreen()
def invalt(self, x, y, w, h):
''' Mark a region for refresh '''
self._canvas.window.invalidate_rect(
gtk.gdk.Rectangle(int(x), int(y), int(w), int(h)), False)
def _spr_to_thumb(self, spr):
''' Find which entry in the thumbnails table matches spr. '''
for i, thumb in enumerate(self._thumbs):
if spr == thumb[0]:
return i
return -1
def _spr_is_thumbnail(self, spr):
''' Does spr match an entry in the thumbnails table? '''
if self._spr_to_thumb(spr) == -1:
return False
else:
return True
def _button_press_cb(self, win, event):
''' The mouse button was pressed. Is it on a thumbnail sprite? '''
win.grab_focus()
x, y = map(int, event.get_coords())
self._dragpos = [x, y]
self._total_drag = [0, 0]
spr = self._sprites.find_sprite((x, y))
self._press = None
self._release = None
# Are we clicking on a thumbnail?
if not self._spr_is_thumbnail(spr):
return False
self.last_spr_moved = spr
self._press = spr
self._press.set_layer(DRAG)
return False
def _mouse_move_cb(self, win, event):
""" Drag a thumbnail with the mouse. """
spr = self._press
if spr is None:
self._dragpos = [0, 0]
return False
win.grab_focus()
x, y = map(int, event.get_coords())
dx = x - self._dragpos[0]
dy = y - self._dragpos[1]
spr.move_relative([dx, dy])
# Also move the star
self._dragpos = [x, y]
self._total_drag[0] += dx
self._total_drag[1] += dy
return False
def _button_release_cb(self, win, event):
''' Button event is used to swap slides or goto next slide. '''
win.grab_focus()
self._dragpos = [0, 0]
x, y = map(int, event.get_coords())
if self._thumbnail_mode:
if self._press is None:
return
# Drop the dragged thumbnail below the other thumbnails so
# that you can find the thumbnail beneath it.
self._press.set_layer(UNDRAG)
i = self._spr_to_thumb(self._press)
spr = self._sprites.find_sprite((x, y))
if self._spr_is_thumbnail(spr):
self._release = spr
# If we found a thumbnail and it is not the one we
# dragged, swap their positions.
if not self._press == self._release:
j = self._spr_to_thumb(self._release)
self._thumbs[i][0] = self._release
self._thumbs[j][0] = self._press
tmp = self.slides[i]
self.slides[i] = self.slides[j]
self.slides[j] = tmp
self._thumbs[j][0].move((self._thumbs[j][1],
self._thumbs[j][2]))
self._thumbs[i][0].move((self._thumbs[i][1], self._thumbs[i][2]))
self._press.set_layer(TOP)
self._press = None
self._release = None
else:
self._next_cb()
return False
def _unit_combo_cb(self, arg=None):
''' Read value of predefined conversion factors from combo box '''
if hasattr(self, '_unit_combo'):
active = self._unit_combo.get_active()
if active in UNIT_DICTIONARY:
self._rate = UNIT_DICTIONARY[active][1]
def _record_cb(self, button=None):
''' Start/stop audio recording '''
if self._grecord is None:
_logger.debug('setting up grecord')
self._grecord = Grecord(self)
if self._recording: # Was recording, so stop (and save?)
_logger.debug('recording...True. Preparing to save.')
self._grecord.stop_recording_audio()
self._recording = False
self._record_button.set_icon('media-record')
self._record_button.set_tooltip(_('Start recording'))
_logger.debug('Autosaving recording')
self._notify(title=_('Save recording'))
gobject.timeout_add(100, self._wait_for_transcoding_to_finish)
else: # Wasn't recording, so start
_logger.debug('recording...False. Start recording.')
self._grecord.record_audio()
self._recording = True
self._record_button.set_icon('media-recording')
self._record_button.set_tooltip(_('Stop recording'))
def _wait_for_transcoding_to_finish(self, button=None):
while not self._grecord.transcoding_complete():
time.sleep(1)
if self._alert is not None:
self.remove_alert(self._alert)
self._alert = None
self._save_recording()
def _playback_recording_cb(self, button=None, nick=profile.get_nick_name()):
''' Play back current recording '''
_logger.debug('Playback current recording from %s...' % (nick))
if nick in self._audio_recordings:
play_audio_from_file(self._audio_recordings[nick])
return
def _get_audio_obj_id(self):
''' Find unique name for audio object '''
if 'activity_id' in self.metadata:
obj_id = self.metadata['activity_id']
else:
obj_id = _('Bulletin Board')
_logger.debug(obj_id)
return obj_id
def _save_recording(self):
if os.path.exists(os.path.join(self.datapath, 'output.ogg')):
_logger.debug('Saving recording to Journal...')
obj_id = self._get_audio_obj_id()
copyfile(os.path.join(self.datapath, 'output.ogg'),
os.path.join(self.datapath, '%s.ogg' % (obj_id)))
dsobject = self._search_for_audio_note(obj_id)
if dsobject is None:
dsobject = datastore.create()
if dsobject is not None:
_logger.debug(self.dsobjects[self.i].metadata['title'])
dsobject.metadata['title'] = _('Audio recording by %s') % \
(self.metadata['title'])
dsobject.metadata['icon-color'] = \
profile.get_color().to_string()
dsobject.metadata['tags'] = obj_id
dsobject.metadata['mime_type'] = 'audio/ogg'
dsobject.set_file_path(
os.path.join(self.datapath, '%s.ogg' % (obj_id)))
datastore.write(dsobject)
dsobject.destroy()
self._add_playback_button(
profile.get_nick_name(), self.colors,
os.path.join(self.datapath, '%s.ogg' % (obj_id)))
if hasattr(self, 'chattube') and self.chattube is not None:
self._share_audio()
else:
_logger.debug('Nothing to save...')
return
def _search_for_audio_note(self, obj_id):
''' Look to see if there is already a sound recorded for this
dsobject '''
dsobjects, nobjects = datastore.find({'mime_type': ['audio/ogg']})
# Look for tag that matches the target object id
for dsobject in dsobjects:
if 'tags' in dsobject.metadata and \
obj_id in dsobject.metadata['tags']:
_logger.debug('Found audio note')
return dsobject
return None
def _save_descriptions_cb(self, button=None):
''' Find the object in the datastore and write out the changes
to the decriptions. '''
for s in self.slides:
if not s.owner:
continue
jobject = datastore.get(s.uid)
jobject.metadata['description'] = s.desc
datastore.write(jobject, update_mtime=False,
reply_handler=self.datastore_write_cb,
error_handler=self.datastore_write_error_cb)
def datastore_write_cb(self):
pass
def datastore_write_error_cb(self, error):
_logger.error('datastore_write_error_cb: %r' % error)
def _notify(self, title='', msg=''):
''' Notify user when saves are completed '''
self._alert = Alert()
self._alert.props.title = title
self._alert.props.msg = msg
self.add_alert(self._alert)
self._alert.show()
def _resend_cb(self, button=None):
''' Resend slides, but only of sharing '''
if hasattr(self, 'chattube') and self.chattube is not None:
self._share_slides()
self._share_audio()
# Serialize
def _dump(self, slide):
''' Dump data for sharing.'''
_logger.debug('dumping %s' % (slide.uid))
data = [slide.uid, slide.colors, slide.title,
pixbuf_to_base64(activity, slide.pixbuf), slide.desc]
return self._data_dumper(data)
def _data_dumper(self, data):
if _OLD_SUGAR_SYSTEM:
return json.write(data)
else:
io = StringIO()
jdump(data, io)
return io.getvalue()
def _load(self, data):
''' Load game data from the journal. '''
slide = self._data_loader(data)
if len(slide) == 5:
if not self._slide_search(slide[0]):
_logger.debug('loading %s' % (slide[0]))
self.slides.append(Slide(
False, slide[0], slide[1], slide[2],
base64_to_pixbuf(activity, slide[3]), slide[4]))
def _slide_search(self, uid):
''' Is this slide in the list already? '''
for slide in self.slides:
if slide.uid == uid:
_logger.debug('skipping %s' % (slide.uid))
return True
return False
def _data_loader(self, data):
if _OLD_SUGAR_SYSTEM:
return json.read(data)
else:
io = StringIO(data)
return jload(io)
# Sharing-related methods
def _setup_presence_service(self):
''' Setup the Presence Service. '''
self.pservice = presenceservice.get_instance()
self.initiating = None # sharing (True) or joining (False)
owner = self.pservice.get_owner()
self.owner = owner
self.buddies = [owner]
self._share = ''
self.connect('shared', self._shared_cb)
self.connect('joined', self._joined_cb)
def _shared_cb(self, activity):
''' Either set up initial share...'''
if self._shared_activity is None:
_logger.error('Failed to share or join activity ... \
_shared_activity is null in _shared_cb()')
return
self.initiating = True
self.waiting = False
_logger.debug('I am sharing...')
self.conn = self._shared_activity.telepathy_conn
self.tubes_chan = self._shared_activity.telepathy_tubes_chan
self.text_chan = self._shared_activity.telepathy_text_chan
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
'NewTube', self._new_tube_cb)
_logger.debug('This is my activity: making a tube...')
id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
SERVICE, {})
def _joined_cb(self, activity):
''' ...or join an exisiting share. '''
if self._shared_activity is None:
_logger.error('Failed to share or join activity ... \
_shared_activity is null in _shared_cb()')
return
self.initiating = False
_logger.debug('I joined a shared activity.')
self.conn = self._shared_activity.telepathy_conn
self.tubes_chan = self._shared_activity.telepathy_tubes_chan
self.text_chan = self._shared_activity.telepathy_text_chan
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(\
'NewTube', self._new_tube_cb)
_logger.debug('I am joining an activity: waiting for a tube...')
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
reply_handler=self._list_tubes_reply_cb,
error_handler=self._list_tubes_error_cb)
self.waiting = True
def _list_tubes_reply_cb(self, tubes):
''' Reply to a list request. '''
for tube_info in tubes:
self._new_tube_cb(*tube_info)
def _list_tubes_error_cb(self, e):
''' Log errors. '''
_logger.error('ListTubes() failed: %s', e)
def _new_tube_cb(self, id, initiator, type, service, params, state):
''' Create a new tube. '''
_logger.debug('New tube: ID=%d initator=%d type=%d service=%s '
'params=%r state=%d', id, initiator, type, service,
params, state)
if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE):
if state == telepathy.TUBE_STATE_LOCAL_PENDING:
self.tubes_chan[ \
telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)
tube_conn = TubeConnection(self.conn,
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES], id, \
group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP])
self.chattube = ChatTube(tube_conn, self.initiating, \
self.event_received_cb)
if self.waiting:
self._send_event('j:%s' % (profile.get_nick_name()))
def event_received_cb(self, text):
''' Data is passed as tuples: cmd:text '''
_logger.debug('<<< %s' % (text[0]))
if text[0] == 's': # shared journal objects
e, data = text.split(':')
self._load(data)
elif text[0] == 'j': # Someone new has joined
e, buddy = text.split(':')
_logger.debug('%s has joined' % (buddy))
if buddy not in self._buddies:
self._buddies.append(buddy)
if self.initiating:
self._send_event('J:%s' % (profile.get_nick_name()))
self._share_slides()
self._share_audio()
elif text[0] == 'J': # Everyone must share
e, buddy = text.split(':')
self.waiting = False
if buddy not in self._buddies:
self._buddies.append(buddy)
_logger.debug('%s has joined' % (buddy))
self._share_slides()
self._share_audio()
elif text[0] == 'a': # audio recording
e, data = text.split(':')
nick, colors, base64 = self._data_loader(data)
path = os.path.join(activity.get_activity_root(),
'instance', 'nick.ogg')
base64_to_file(activity, base64, path)
self._add_playback_button(nick, colors, path)
def _share_audio(self):
if profile.get_nick_name() in self._audio_recordings:
base64 = file_to_base64(
activity, self._audio_recordings[profile.get_nick_name()])
gobject.idle_add(self._send_event, 'a:' + str(
self._data_dumper([profile.get_nick_name(),
self.colors,
base64])))
def _share_slides(self):
for s in self.slides:
if s.owner: # Maybe stagger the timing of the sends?
gobject.idle_add(self._send_event, 's:' + str(self._dump(s)))
_logger.debug('finished sharing')
def _send_event(self, text):
''' Send event through the tube. '''
if hasattr(self, 'chattube') and self.chattube is not None:
_logger.debug('>>> %s' % (text[0]))
self.chattube.SendText(text)
class Bounce():
''' The Bounce class is used to define the ball and the user
interaction. '''
def __init__(self, canvas, path, parent=None):
''' Initialize the canvas and set up the callbacks. '''
self._activity = parent
self._fraction = None
self._path = path
if parent is None: # Starting from command line
self._sugar = False
else: # Starting from Sugar
self._sugar = True
self._canvas = canvas
self._canvas.grab_focus()
self._canvas.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
self._canvas.add_events(Gdk.EventMask.BUTTON_RELEASE_MASK)
self._canvas.add_events(Gdk.EventMask.POINTER_MOTION_MASK)
self._canvas.add_events(Gdk.EventMask.KEY_PRESS_MASK)
self._canvas.add_events(Gdk.EventMask.KEY_RELEASE_MASK)
self._canvas.connect('draw', self.__draw_cb)
self._canvas.connect('button-press-event', self._button_press_cb)
self._canvas.connect('button-release-event', self._button_release_cb)
self._canvas.connect('key-press-event', self._keypress_cb)
self._canvas.connect('key-release-event', self._keyrelease_cb)
self._canvas.set_can_focus(True)
self._canvas.grab_focus()
self._sprites = Sprites(self._canvas)
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - GRID_CELL_SIZE
self._scale = Gdk.Screen.height() / 900.0
self._step_sid = None # repeating timeout between steps of ball move
self._bounce_sid = None # one-off timeout between bounces
self.buddies = [] # used for sharing
self._my_turn = False
self.select_a_fraction = False
self._easter_egg = int(uniform(1, 100))
# Find paths to sound files
self._path_to_success = os.path.join(path, LAUGH)
self._path_to_failure = os.path.join(path, CRASH)
self._path_to_bubbles = os.path.join(path, BUBBLES)
self._create_sprites(path)
self.mode = 'fractions'
self._challenge = 0
self._expert = False
self._challenges = []
for challenge in CHALLENGES[self._challenge]:
self._challenges.append(challenge)
self._fraction = 0.5 # the target of the current challenge
self._label = '1/2' # the label
self.count = 0 # number of bounces played
self._correct = 0 # number of correct answers
self._press = None # sprite under mouse click
self._new_bounce = False
self._n = 0
self._accelerometer = self._check_accelerometer()
self._accel_index = 0
self._accel_flip = False
self._accel_xy = [0, 0]
self._guess_orientation()
self._dx = 0. # ball horizontal trajectory
# acceleration (with dampening)
self._ddy = (6.67 * self._height) / (STEPS * STEPS)
self._dy = self._ddy * (1 - STEPS) / 2. # initial step size
if self._sugar:
if _is_tablet_mode():
self._activity.reset_label(
_('Click the ball to start. Rock the computer left '
'and right to move the ball.'))
else:
self._activity.reset_label(
_('Click the ball to start. Then use the arrow keys to '
'move the ball.'))
self._keyrelease_id = None
def _check_accelerometer(self):
return os.path.exists(ACCELEROMETER_DEVICE) and _is_tablet_mode()
def configure_cb(self, event):
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - GRID_CELL_SIZE
self._scale = Gdk.Screen.height() / 900.0
# We need to resize the backgrounds
width, height = self._calc_background_size()
for bg in list(self._backgrounds.keys()):
if bg == 'custom':
path = self._custom_dsobject.file_path
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
path, width, height)
else:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._path, 'images', bg), width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds[bg] = pixbuf
self._background = Sprite(self._sprites, 0, 0,
self._backgrounds[self._current_bg])
self._background.set_layer(-100)
self._background.type = 'background'
# and resize and reposition the bars
self.bar.resize_all()
self.bar.show_bar(2)
self._current_bar = self.bar.get_bar(2)
# Calculate a new accerlation based on screen height.
self._ddy = (6.67 * self._height) / (STEPS * STEPS)
self._guess_orientation()
def _create_sprites(self, path):
''' Create all of the sprites we'll need '''
self.smiley_graphic = svg_str_to_pixbuf(
svg_from_file(os.path.join(path, 'images', 'smiley.svg')))
self.frown_graphic = svg_str_to_pixbuf(
svg_from_file(os.path.join(path, 'images', 'frown.svg')))
self.blank_graphic = svg_str_to_pixbuf(
svg_header(REWARD_HEIGHT, REWARD_HEIGHT, 1.0) + svg_rect(
REWARD_HEIGHT, REWARD_HEIGHT, 5, 5, 0, 0, 'none', 'none') +
svg_footer())
self.ball = Ball(self._sprites,
os.path.join(path, 'images', 'soccerball.svg'))
self._current_frame = 0
self.bar = Bar(self._sprites, self.ball.width(), COLORS)
self._current_bar = self.bar.get_bar(2)
self.ball_y_max = \
self.bar.bar_y() - self.ball.height() + int(BAR_HEIGHT / 2.)
self.ball.move_ball((int(
(self._width - self.ball.width()) // 2), self.ball_y_max))
self._backgrounds = {}
width, height = self._calc_background_size()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(path, 'images', 'grass_background.png'), width,
height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds['grass_background.png'] = pixbuf
self._background = Sprite(self._sprites, 0, 0, pixbuf)
self._background.set_layer(-100)
self._background.type = 'background'
self._current_bg = 'grass_background.png'
def _crop_to_portrait(self, pixbuf):
tmp = GdkPixbuf.Pixbuf.new(0, True, 8, Gdk.Screen.width(),
Gdk.Screen.height())
x = int(Gdk.Screen.height() // 3)
pixbuf.copy_area(x, 0, Gdk.Screen.width(), Gdk.Screen.height(), tmp, 0,
0)
return tmp
def _calc_background_size(self):
if Gdk.Screen.height() > Gdk.Screen.width():
height = Gdk.Screen.height()
return int(4 * height // 3), height
else:
width = Gdk.Screen.width()
return width, int(3 * width // 4)
def new_background_from_image(self, path, dsobject=None):
if path is None:
path = dsobject.file_path
width, height = self._calc_background_size()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(path, width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds['custom'] = pixbuf
self.set_background('custom')
self._custom_dsobject = dsobject
self._current_bg = 'custom'
def set_background(self, name):
if name not in self._backgrounds:
width, height = self._calc_background_size()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._path, 'images', name), width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds[name] = pixbuf
self._background.set_image(self._backgrounds[name])
self.bar.mark.hide()
self._current_bar.hide()
self.ball.ball.hide()
self.ball.ball.set_layer(3)
self._current_bar.set_layer(2)
self.bar.mark.set_layer(1)
self._current_bg = name
self._canvas.queue_draw()
def pause(self):
''' Pause play when visibility changes '''
if self._step_sid is not None:
GLib.source_remove(self._step_sid)
self._step_sid = None
if self._bounce_sid is not None:
GLib.source_remove(self._bounce_sid)
self._bounce_sid = None
def we_are_sharing(self):
''' If there is more than one buddy, we are sharing. '''
if len(self.buddies) > 1:
return True
def its_my_turn(self):
''' When sharing, it is your turn... '''
GLib.timeout_add(1000, self._take_a_turn)
def _take_a_turn(self):
''' On your turn, choose a fraction. '''
self._my_turn = True
self.select_a_fraction = True
self._activity.set_player_on_toolbar(self._activity.nick,
self._activity.key)
self._activity.reset_label(_("Click on the bar to choose a fraction."))
def its_their_turn(self, nick, key):
''' When sharing, it is nick's turn... '''
GLib.timeout_add(1000, self._wait_your_turn, nick, key)
def _wait_your_turn(self, nick, key):
''' Wait for nick to choose a fraction. '''
self._my_turn = False
self._activity.set_player_on_toolbar(nick, key)
self._activity.reset_label(
_('Waiting for %(buddy)s') % {'buddy': nick})
def play_a_fraction(self, fraction):
''' Play this fraction '''
fraction_is_new = True
for i, c in enumerate(self._challenges):
if c[0] == fraction:
fraction_is_new = False
self._n = i
break
if fraction_is_new:
self.add_fraction(fraction)
self._n = len(self._challenges)
self._choose_a_fraction()
self._start_step()
def _button_press_cb(self, win, event):
''' Callback to handle the button presses '''
win.grab_focus()
x, y = list(map(int, event.get_coords()))
self._press = self._sprites.find_sprite((x, y))
return True
def _button_release_cb(self, win, event):
''' Callback to handle the button releases '''
win.grab_focus()
x, y = list(map(int, event.get_coords()))
if self._press is not None:
if self.we_are_sharing():
if self.select_a_fraction and self._press == self._current_bar:
# Find the fraction closest to the click
fraction = self._search_challenges(
(x - self.bar.bar_x()) / float(self.bar.width()))
self.select_a_fraction = False
self._activity.send_a_fraction(fraction)
self.play_a_fraction(fraction)
else:
if self._step_sid is None and \
self._bounce_sid is None and \
self._press == self.ball.ball:
self._choose_a_fraction()
self._start_step()
return True
def _search_challenges(self, f):
''' Find the fraction which is closest to f in the list. '''
dist = 1.
closest = '1/2'
for c in self._challenges:
numden = c[0].split('/')
delta = abs((float(numden[0]) / float(numden[1])) - f)
if delta <= dist:
dist = delta
closest = c[0]
return closest
def _guess_orientation(self):
if self._accelerometer:
fh = open(ACCELEROMETER_DEVICE)
string = fh.read()
fh.close()
xyz = string[1:-2].split(',')
x = int(xyz[0])
y = int(xyz[1])
self._accel_xy = [x, y]
if abs(x) > abs(y):
self._accel_index = 1 # Portrait mode
self._accel_flip = x > 0
else:
self._accel_index = 0 # Landscape mode
self._accel_flip = y < 0
def _defer_bounce(self, ms):
''' Pause and then start the ball again '''
self._bounce_sid = GLib.timeout_add(ms, self._bounce)
def _bounce(self):
''' Start the ball again '''
self._accelerometer = self._check_accelerometer()
self._start_step()
self._bounce_sid = None
return False
def _start_step(self):
''' Start the ball and keep moving until boundary conditions '''
if self._step():
self._step_sid = GLib.timeout_add(STEP_PAUSE, self._step)
def _step(self):
''' Move the ball once and test boundary conditions '''
if self._new_bounce:
self.bar.mark.move((0, self._height)) # hide the mark
if not self.we_are_sharing():
self._choose_a_fraction()
self._new_bounce = False
self._dy = self._ddy * (1 - STEPS) / 2 # initial step size
if self._accelerometer:
self._guess_orientation()
self._dx = float(self._accel_xy[self._accel_index]) / 18.
if self._accel_flip:
self._dx *= -1
if self.ball.ball_x() + self._dx > 0 and \
self.ball.ball_x() + self._dx < self._width - self.ball.width():
self.ball.move_ball_relative((int(self._dx), int(self._dy)))
else:
self.ball.move_ball_relative((0, int(self._dy)))
# speed up ball in x while key is pressed
self._dx *= DDX
# accelerate in y
self._dy += self._ddy
# Calculate a new ball_y_max depending on the x position
self.ball_y_max = \
self.bar.bar_y() - self.ball.height() + self._wedge_offset()
if self.ball.ball_y() >= self.ball_y_max:
# hit the bottom
self.ball.move_ball((self.ball.ball_x(), self.ball_y_max))
self._test()
self._new_bounce = True
if self.we_are_sharing():
if self._my_turn:
# Let the next player know it is their turn.
i = (self.buddies.index(
[self._activity.nick, self._activity.key]) + 1) % \
len(self.buddies)
[nick, key] = self.buddies[i]
self.its_their_turn(nick, key)
self._activity.send_event('t', self.buddies[i])
else:
if not self.we_are_sharing() and self._easter_egg_test():
self._animate()
else:
ms = max(STEP_PAUSE,
BOUNCE_PAUSE - self.count * STEP_PAUSE)
self._defer_bounce(ms)
self._step_sid = None
return False
else:
return True
def _wedge_offset(self):
return int(BAR_HEIGHT *
(1 - (self.ball.ball_x() / float(self.bar.width()))))
def _mark_offset(self, x):
return int(BAR_HEIGHT * (1 - (x / float(self.bar.width())))) - 12
def _animate(self):
''' A little Easter Egg just for fun. '''
if self._new_bounce:
self._dy = self._ddy * (1 - STEPS) / 2 # initial step size
self._new_bounce = False
self._current_frame = 0
self._frame_counter = 0
self.ball.move_frame(self._current_frame,
(self.ball.ball_x(), self.ball.ball_y()))
self.ball.move_ball((self.ball.ball_x(), self._height))
aplay.play(self._path_to_bubbles)
if self._accelerometer:
fh = open(ACCELEROMETER_DEVICE)
string = fh.read()
xyz = string[1:-2].split(',')
self._dx = float(xyz[0]) / 18.
fh.close()
else:
self._dx = uniform(-int(DX * self._scale), int(DX * self._scale))
self.ball.move_frame_relative(self._current_frame,
(int(self._dx), int(self._dy)))
self._dy += self._ddy
self._frame_counter += 1
self._current_frame = self.ball.next_frame(self._frame_counter)
if self.ball.frame_y(self._current_frame) >= self.ball_y_max:
# hit the bottom
self.ball.move_ball((self.ball.ball_x(), self.ball_y_max))
self.ball.hide_frames()
self._test(easter_egg=True)
self._new_bounce = True
self._defer_bounce(BOUNCE_PAUSE)
else:
GLib.timeout_add(STEP_PAUSE, self._animate)
def add_fraction(self, string):
''' Add a new challenge; set bar to 2x demominator '''
numden = string.split('/', 2)
self._challenges.append([string, int(numden[1]), 0])
def _get_new_fraction(self):
''' Select a new fraction challenge from the table '''
if not self.we_are_sharing():
n = int(uniform(0, len(self._challenges)))
else:
n = self._n
fstr = self._challenges[n][0]
if '/' in fstr: # fraction
numden = fstr.split('/', 2)
fraction = float(numden[0].strip()) / float(numden[1].strip())
elif '%' in fstr: # percentage
fraction = float(fstr.strip().strip('%').strip()) / 100.
else: # To do: add support for decimals (using locale)
_logger.debug('Could not parse challenge (%s)', fstr)
fstr = '1/2'
fraction = 0.5
return fraction, fstr, n
def _choose_a_fraction(self):
''' choose a new fraction and set the corresponding bar '''
# Don't repeat the same fraction twice in a row
fraction, fstr, n = self._get_new_fraction()
if not self.we_are_sharing():
while fraction == self._fraction:
fraction, fstr, n = self._get_new_fraction()
self._fraction = fraction
self._n = n
if self.mode == 'percents':
self._label = str(int(self._fraction * 100 + 0.5)) + '%'
else: # percentage
self._label = fstr
if self.mode == 'sectors':
self.ball.new_ball_from_fraction(self._fraction)
if not Gdk.Screen.width() < 1024:
self._activity.reset_label(
_('Bounce the ball to a position '
'%(fraction)s of the way from the left side of the bar.') %
{'fraction': self._label})
else:
self._activity.reset_label(
_('Bounce the ball to %(fraction)s') %
{'fraction': self._label})
self.ball.ball.set_label(self._label)
self.bar.hide_bars()
if self._expert: # Show two-segment bar in expert mode
nseg = 2
else:
if self.mode == 'percents':
nseg = 10
else:
nseg = self._challenges[self._n][1]
# generate new bar on demand
self._current_bar = self.bar.get_bar(nseg)
self.bar.show_bar(nseg)
def _easter_egg_test(self):
''' Test to see if we show the Easter Egg '''
delta = self.ball.width() / 8
x = self.ball.ball_x() + self.ball.width() / 2
f = self.bar.width() * self._easter_egg / 100.
if x > f - delta and x < f + delta:
return True
else:
return False
def _test(self, easter_egg=False):
''' Test to see if we estimated correctly '''
if self._expert:
delta = self.ball.width() / 6
else:
delta = self.ball.width() / 3
x = self.ball.ball_x() + self.ball.width() / 2
f = int(self._fraction * self.bar.width())
self.bar.mark.move((int(f - self.bar.mark_width() / 2),
int(self.bar.bar_y() + self._mark_offset(f))))
if self._challenges[self._n][2] == 0: # label the column
spr = Sprite(self._sprites, 0, 0, self.blank_graphic)
spr.set_label(self._label)
spr.move((int(self._n * 27), 0))
spr.set_layer(-1)
self._challenges[self._n][2] += 1
if x > f - delta and x < f + delta:
spr = Sprite(self._sprites, 0, 0, self.smiley_graphic)
self._correct += 1
aplay.play(self._path_to_success)
else:
spr = Sprite(self._sprites, 0, 0, self.frown_graphic)
aplay.play(self._path_to_failure)
spr.move((int(self._n * 27), int(self._challenges[self._n][2] * 27)))
spr.set_layer(-1)
# after enough correct answers, up the difficulty
if self._correct == len(self._challenges) * 2:
self._challenge += 1
if self._challenge < len(CHALLENGES):
for challenge in CHALLENGES[self._challenge]:
self._challenges.append(challenge)
else:
self._expert = True
self.count += 1
self._dx = 0. # stop horizontal movement between bounces
def _keypress_cb(self, area, event):
''' Keypress: moving the slides with the arrow keys '''
k = Gdk.keyval_name(event.keyval)
if k in ['KP_Page_Down', 'KP_Home', 'h', 'Left', 'KP_Left']:
self._dx = -DX * self._scale
elif k in ['KP_Page_Up', 'KP_End', 'l', 'Right', 'KP_Right']:
self._dx = DX * self._scale
elif k in ['Return']:
if self._step_sid:
self._dy = -self._ddy * (1 - STEPS) * 2.
else:
self._dx = 0.
if self._accel_flip:
self._dx = -self._dx
return True
def _keyrelease_cb(self, area, event):
''' Keyrelease: stop horizontal movement '''
def timer_cb():
self._dx = 0.
self._keyrelease_id = None
return False
if self._keyrelease_id is not None:
GLib.source_remove(self._keyrelease_id)
self._keyrelease_id = GLib.timeout_add(100, timer_cb)
return True
def __draw_cb(self, canvas, cr):
self._sprites.redraw_sprites(cr=cr)
def _destroy_cb(self, win, event):
''' Callback to handle quit '''
Gtk.main_quit()
class Game():
''' OLPC XO man color changer designed in memory of Nat Jacobson '''
def __init__(self, canvas, parent=None, mycolors=['#A0FFA0', '#FF8080']):
self._activity = parent
self.colors = [mycolors[0]]
self.colors.append(mycolors[1])
self._canvas = canvas
if parent is not None:
parent.show_all()
self._parent = parent
self._canvas.connect("draw", self.__draw_cb)
self._canvas.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
self._canvas.connect("button-press-event", self._button_press_cb)
self._canvas.add_events(Gdk.EventMask.BUTTON_RELEASE_MASK)
self._canvas.connect('button-release-event', self._button_release_cb)
self._canvas.add_events(Gdk.EventMask.POINTER_MOTION_MASK)
self._canvas.connect("motion-notify-event", self._mouse_move_cb)
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - GRID_CELL_SIZE
self._scale = self._width / 1200.
self.press = None
self.dragpos = [0, 0]
self.startpos = [0, 0]
self._dot_cache = {}
self._xo_cache = {}
self._radius = 22.5
self._stroke_width = 9.5
# Generate the sprites we'll need...
self._sprites = Sprites(self._canvas)
self._dots = []
self._xo_man = None
self._generate_bg('#FFF')
# First dot, starting angle
self._cxy = [self._width / 2, self._height / 2]
self._xy = [
self._width / 2 + 120 * self._scale,
self._height / 2 - self._radius * self._scale
]
self._angle = 0
self._dot_size_plus = self._radius * 3 * self._scale
self._min = -self._dot_size_plus / 3
self._max = self._height - (self._dot_size_plus / 2.2)
self._zones = []
self._calc_zones()
self._generate_spiral()
def _calc_zones(self):
for color in colors:
rgb1 = _from_hex(color[0])
rgb2 = _from_hex(color[1])
dv = _contrast(rgb1, rgb2)
dh = _delta_hue(rgb1, rgb2)
self._zones.append(_zone(dv, dh))
def _calc_next_dot_position(self):
''' calculate spiral coordinates '''
dx = self._xy[0] - self._cxy[0]
dy = self._xy[1] - self._cxy[1]
r = sqrt(dx * dx + dy * dy)
c = 2 * r * pi
a = atan2(dy, dx)
da = (self._dot_size_plus / c) * 2 * pi
a += da
r += self._dot_size_plus / (c / self._dot_size_plus)
self._xy[0] = r * cos(a) + self._cxy[0]
self._xy[1] = r * sin(a) + self._cxy[1]
if self._xy[1] < self._min or self._xy[1] > self._max:
self._calc_next_dot_position()
def _generate_spiral(self):
''' Make a new set of dots for a sprial '''
for z in range(4):
for i in range(len(colors)):
if self._zones[i] == z:
self._dots.append(
Sprite(self._sprites, self._xy[0], self._xy[1],
self._new_dot(colors[i])))
self._dots[-1].type = i
self._calc_next_dot_position()
if self._xo_man is None:
x = 510 * self._scale
y = 280 * self._scale
self._xo_man = Sprite(self._sprites, x, y,
self._new_xo_man(self.colors))
self._xo_man.type = None
def move_dot(self, i, x, y):
self._dots[i].move((x, y))
def get_dot_xy(self, i):
return self._dots[i].get_xy()
def move_xo_man(self, x, y):
self._xo_man.move((x, y))
def get_xo_man_xy(self):
return self._xo_man.get_xy()
def rotate(self):
x, y = self._dots[0].get_xy()
for i in range(len(colors) - 1):
self._dots[i].move(self._dots[i + 1].get_xy())
self._dots[-1].move((x, y))
def _generate_bg(self, color):
''' a background color '''
self._bg = Sprite(self._sprites, 0, 0, self._new_background(color))
self._bg.set_layer(0)
self._bg.type = None
def adj_background(self, color):
''' Change background '''
self._bg.set_image(self._new_background(color))
self._bg.set_layer(0)
def _button_press_cb(self, win, event):
win.grab_focus()
x, y = map(int, event.get_coords())
self.dragpos = [x, y]
spr = self._sprites.find_sprite((x, y))
if spr == None or spr == self._bg:
return
self.startpos = spr.get_xy()
self.press = spr
def _mouse_move_cb(self, win, event):
""" Drag a rule with the mouse. """
if self.press is None:
self.dragpos = [0, 0]
return True
win.grab_focus()
x, y = map(int, event.get_coords())
dx = x - self.dragpos[0]
dy = y - self.dragpos[1]
self.press.move_relative((dx, dy))
self.dragpos = [x, y]
def _button_release_cb(self, win, event):
if self.press == None:
return True
if _distance(self.press.get_xy(), self.startpos) < 20:
if type(self.press.type) == int:
self.i = self.press.type
self._new_surface()
self.press.move(self.startpos)
self.press = None
def _new_surface(self):
self.colors[0] = colors[self.i][0]
self.colors[1] = colors[self.i][1]
self._xo_man.set_image(self._new_xo_man(colors[self.i]))
self._xo_man.set_layer(100)
def __draw_cb(self, canvas, cr):
self._sprites.redraw_sprites(cr=cr)
def do_expose_event(self, event):
''' Handle the expose-event by drawing '''
# Restrict Cairo to the exposed area
cr = self._canvas.window.cairo_create()
cr.rectangle(event.area.x, event.area.y, event.area.width,
event.area.height)
cr.clip()
# Refresh sprite list
self._sprites.redraw_sprites(cr=cr)
def _destroy_cb(self, win, event):
Gtk.main_quit()
def _new_dot(self, color):
''' generate a dot of a color color '''
if True: # not color in self._dot_cache:
self._stroke = color[0]
self._fill = color[1]
self._svg_width = int(60 * self._scale)
self._svg_height = int(60 * self._scale)
pixbuf = svg_str_to_pixbuf(
self._header() + \
'<circle cx="%f" cy="%f" r="%f" stroke="%s" fill="%s" \
stroke-width="%f" visibility="visible" />' % (
30 * self._scale, 30 * self._scale,
self._radius * self._scale, self._stroke,
self._fill, self._stroke_width * self._scale) + \
self._footer())
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, self._svg_width,
self._svg_height)
context = cairo.Context(surface)
Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
context.rectangle(0, 0, self._svg_width, self._svg_height)
context.fill()
# self._dot_cache[color] = surface
return surface # self._dot_cache[color]
def _new_background(self, color):
''' Background color '''
self._svg_width = int(self._width)
self._svg_height = int(self._height)
string = \
self._header() + \
'<rect width="%f" height="%f" x="%f" \
y="%f" fill="%s" stroke="none" visibility="visible" />' % (
self._width, self._height, 0, 0, color) + \
self._footer()
pixbuf = svg_str_to_pixbuf(string)
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, self._svg_width,
self._svg_height)
context = cairo.Context(surface)
Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
context.rectangle(0, 0, self._svg_width, self._svg_height)
context.fill()
return surface
def _new_xo_man(self, color):
''' generate a xo-man of a color color '''
if True: # not color in self._xo_cache:
self._stroke = color[0]
self._fill = color[1]
self._svg_width = int(240. * self._scale)
self._svg_height = int(260. * self._scale)
string = \
self._header() + \
'<g>' + \
'<g id="XO">' + \
'<path id="Line1" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 97 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 188 * self._scale,
self._stroke, 37 * self._scale) + \
'<path id="Line2" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 188 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 97 * self._scale,
self._stroke, 37 * self._scale) + \
'<path id="Fill1" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 97 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 188 * self._scale,
self._fill, 17 * self._scale) + \
'<path id="Fill2" d="M%f,%f C%f,%f %f,%f %f,%f" stroke="%s" \
stroke-width="%f" stroke-linecap="round" fill="none" visibility="visible" />' \
% (
165.5 * self._scale, 188 * self._scale,
120 * self._scale, 140.5 * self._scale,
120 * self._scale, 140.5 * self._scale,
74.5 * self._scale, 97 * self._scale,
self._fill, 17 * self._scale) + \
'<circle id="Circle" cx="%f" cy="%f" r="%f" \
fill="%s" stroke="%s" stroke-width="%f" visibility="visible" />' % (
120 * self._scale, 61.5 * self._scale,
27.5 * self._scale,
self._fill, self._stroke, 11 * self._scale) + \
'</g></g>' + \
self._footer()
pixbuf = svg_str_to_pixbuf(string)
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, self._svg_width,
self._svg_height)
context = cairo.Context(surface)
Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
context.rectangle(0, 0, self._svg_width, self._svg_height)
context.fill()
# self._xo_cache[color] = surface
return surface # self._xo_cache[color]
def _header(self):
return '<svg\n' + 'xmlns:svg="http:#www.w3.org/2000/svg"\n' + \
'xmlns="http://www.w3.org/2000/svg"\n' + \
'xmlns:xlink="http://www.w3.org/1999/xlink"\n' + \
'version="1.1"\n' + 'width="' + str(self._svg_width) + '"\n' + \
'height="' + str(self._svg_height) + '">\n'
def _footer(self):
return '</svg>\n'
class Bounce():
''' The Bounce class is used to define the ball and the user
interaction. '''
def __init__(self, canvas, path, parent=None):
''' Initialize the canvas and set up the callbacks. '''
self._activity = parent
self._fraction = None
self._path = path
if parent is None: # Starting from command line
self._sugar = False
else: # Starting from Sugar
self._sugar = True
self._canvas = canvas
self._canvas.grab_focus()
self._canvas.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
self._canvas.add_events(Gdk.EventMask.BUTTON_RELEASE_MASK)
self._canvas.add_events(Gdk.EventMask.POINTER_MOTION_MASK)
self._canvas.add_events(Gdk.EventMask.KEY_PRESS_MASK)
self._canvas.add_events(Gdk.EventMask.KEY_RELEASE_MASK)
self._canvas.connect('draw', self.__draw_cb)
self._canvas.connect('button-press-event', self._button_press_cb)
self._canvas.connect('button-release-event', self._button_release_cb)
self._canvas.connect('key-press-event', self._keypress_cb)
self._canvas.connect('key-release-event', self._keyrelease_cb)
self._canvas.set_can_focus(True)
self._canvas.grab_focus()
self._sprites = Sprites(self._canvas)
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - GRID_CELL_SIZE
self._scale = Gdk.Screen.height() / 900.0
self._timeout = None
self.buddies = [] # used for sharing
self._my_turn = False
self.select_a_fraction = False
self._easter_egg = int(uniform(1, 100))
# Find paths to sound files
self._path_to_success = os.path.join(path, LAUGH)
self._path_to_failure = os.path.join(path, CRASH)
self._path_to_bubbles = os.path.join(path, BUBBLES)
self._create_sprites(path)
self.mode = 'fractions'
self._challenge = 0
self._expert = False
self._challenges = []
for challenge in CHALLENGES[self._challenge]:
self._challenges.append(challenge)
self._fraction = 0.5 # the target of the current challenge
self._label = '1/2' # the label
self.count = 0 # number of bounces played
self._correct = 0 # number of correct answers
self._press = None # sprite under mouse click
self._new_bounce = False
self._n = 0
self._accel_index = 0
self._accel_flip = False
self._accel_xy = [0, 0]
self._guess_orientation()
self._dx = 0. # ball horizontal trajectory
# acceleration (with dampening)
self._ddy = (6.67 * self._height) / (STEPS * STEPS)
self._dy = self._ddy * (1 - STEPS) / 2. # initial step size
if self._sugar:
if _is_tablet_mode():
self._activity.reset_label(
_('Click the ball to start. Rock the computer left '
'and right to move the ball.'))
else:
self._activity.reset_label(
_('Click the ball to start. Then use the arrow keys to '
'move the ball.'))
def _accelerometer(self):
return os.path.exists(ACCELEROMETER_DEVICE) and _is_tablet_mode()
def configure_cb(self, event):
self._width = Gdk.Screen.width()
self._height = Gdk.Screen.height() - GRID_CELL_SIZE
self._scale = Gdk.Screen.height() / 900.0
# We need to resize the backgrounds
width, height = self._calc_background_size()
for bg in self._backgrounds.keys():
if bg == 'custom':
path = self._custom_dsobject.file_path
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
path, width, height)
else:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._path, 'images', bg),
width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds[bg] = pixbuf
self._background = Sprite(self._sprites, 0, 0,
self._backgrounds[self._current_bg])
self._background.set_layer(-100)
self._background.type = 'background'
# and resize and reposition the bars
self.bar.resize_all()
self.bar.show_bar(2)
self._current_bar = self.bar.get_bar(2)
# Calculate a new accerlation based on screen height.
self._ddy = (6.67 * self._height) / (STEPS * STEPS)
self._guess_orientation()
def _create_sprites(self, path):
''' Create all of the sprites we'll need '''
self.smiley_graphic = svg_str_to_pixbuf(svg_from_file(
os.path.join(path, 'images', 'smiley.svg')))
self.frown_graphic = svg_str_to_pixbuf(svg_from_file(
os.path.join(path, 'images', 'frown.svg')))
self.blank_graphic = svg_str_to_pixbuf(
svg_header(REWARD_HEIGHT, REWARD_HEIGHT, 1.0) +
svg_rect(REWARD_HEIGHT, REWARD_HEIGHT, 5, 5, 0, 0,
'none', 'none') +
svg_footer())
self.ball = Ball(self._sprites,
os.path.join(path, 'images', 'soccerball.svg'))
self._current_frame = 0
self.bar = Bar(self._sprites, self.ball.width(), COLORS)
self._current_bar = self.bar.get_bar(2)
self.ball_y_max = self.bar.bar_y() - self.ball.height() + \
int(BAR_HEIGHT / 2.)
self.ball.move_ball((int((self._width - self.ball.width()) / 2),
self.ball_y_max))
self._backgrounds = {}
width, height = self._calc_background_size()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(path, 'images', 'grass_background.png'),
width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds['grass_background.png'] = pixbuf
self._background = Sprite(self._sprites, 0, 0, pixbuf)
self._background.set_layer(-100)
self._background.type = 'background'
self._current_bg = 'grass_background.png'
def _crop_to_portrait(self, pixbuf):
tmp = GdkPixbuf.Pixbuf.new(0, True, 8, Gdk.Screen.width(),
Gdk.Screen.height())
x = int(Gdk.Screen.height() / 3)
pixbuf.copy_area(x, 0, Gdk.Screen.width(), Gdk.Screen.height(),
tmp, 0, 0)
return tmp
def _calc_background_size(self):
if Gdk.Screen.height() > Gdk.Screen.width():
height = Gdk.Screen.height()
return int(4 * height / 3), height
else:
width = Gdk.Screen.width()
return width, int(3 * width / 4)
def new_background_from_image(self, path, dsobject=None):
if path is None:
path = dsobject.file_path
width, height = self._calc_background_size()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
path, width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds['custom'] = pixbuf
self.set_background('custom')
self._custom_dsobject = dsobject
self._current_bg = 'custom'
def set_background(self, name):
if not name in self._backgrounds:
width, height = self._calc_background_size()
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
os.path.join(self._path, 'images', name), width, height)
if Gdk.Screen.height() > Gdk.Screen.width():
pixbuf = self._crop_to_portrait(pixbuf)
self._backgrounds[name] = pixbuf
self._background.set_image(self._backgrounds[name])
self.bar.mark.hide()
self._current_bar.hide()
self.ball.ball.hide()
self.do_expose_event()
self.ball.ball.set_layer(3)
self._current_bar.set_layer(2)
self.bar.mark.set_layer(1)
self._current_bg = name
def pause(self):
''' Pause play when visibility changes '''
if self._timeout is not None:
GObject.source_remove(self._timeout)
self._timeout = None
def we_are_sharing(self):
''' If there is more than one buddy, we are sharing. '''
if len(self.buddies) > 1:
return True
def its_my_turn(self):
''' When sharing, it is your turn... '''
GObject.timeout_add(1000, self._take_a_turn)
def _take_a_turn(self):
''' On your turn, choose a fraction. '''
self._my_turn = True
self.select_a_fraction = True
self._activity.set_player_on_toolbar(self._activity.nick)
self._activity.reset_label(
_("Click on the bar to choose a fraction."))
def its_their_turn(self, nick):
''' When sharing, it is nick's turn... '''
GObject.timeout_add(1000, self._wait_your_turn, nick)
def _wait_your_turn(self, nick):
''' Wait for nick to choose a fraction. '''
self._my_turn = False
self._activity.set_player_on_toolbar(nick)
self._activity.reset_label(
_('Waiting for %(buddy)s') % {'buddy': nick})
def play_a_fraction(self, fraction):
''' Play this fraction '''
fraction_is_new = True
for i, c in enumerate(self._challenges):
if c[0] == fraction:
fraction_is_new = False
self._n = i
break
if fraction_is_new:
self.add_fraction(fraction)
self._n = len(self._challenges)
self._choose_a_fraction()
self._move_ball()
def _button_press_cb(self, win, event):
''' Callback to handle the button presses '''
win.grab_focus()
x, y = map(int, event.get_coords())
self._press = self._sprites.find_sprite((x, y))
return True
def _button_release_cb(self, win, event):
''' Callback to handle the button releases '''
win.grab_focus()
x, y = map(int, event.get_coords())
if self._press is not None:
if self.we_are_sharing():
if self.select_a_fraction and self._press == self._current_bar:
# Find the fraction closest to the click
fraction = self._search_challenges(
(x - self.bar.bar_x()) / float(self.bar.width()))
self.select_a_fraction = False
self._activity.send_a_fraction(fraction)
self.play_a_fraction(fraction)
else:
if self._timeout is None and self._press == self.ball.ball:
self._choose_a_fraction()
self._move_ball()
return True
def _search_challenges(self, f):
''' Find the fraction which is closest to f in the list. '''
dist = 1.
closest = '1/2'
for c in self._challenges:
numden = c[0].split('/')
delta = abs((float(numden[0]) / float(numden[1])) - f)
if delta <= dist:
dist = delta
closest = c[0]
return closest
def _guess_orientation(self):
if self._accelerometer():
fh = open(ACCELEROMETER_DEVICE)
string = fh.read()
fh.close()
xyz = string[1:-2].split(',')
x = int(xyz[0])
y = int(xyz[1])
self._accel_xy = [x, y]
if abs(x) > abs(y):
self._accel_index = 1 # Portrait mode
self._accel_flip = x > 0
else:
self._accel_index = 0 # Landscape mode
self._accel_flip = y < 0
def _move_ball(self):
''' Move the ball and test boundary conditions '''
if self._new_bounce:
self.bar.mark.move((0, self._height)) # hide the mark
if not self.we_are_sharing():
self._choose_a_fraction()
self._new_bounce = False
self._dy = self._ddy * (1 - STEPS) / 2 # initial step size
if self._accelerometer():
self._guess_orientation()
self._dx = float(self._accel_xy[self._accel_index]) / 18.
if self._accel_flip:
self._dx *= -1
if self.ball.ball_x() + self._dx > 0 and \
self.ball.ball_x() + self._dx < self._width - self.ball.width():
self.ball.move_ball_relative((int(self._dx), int(self._dy)))
else:
self.ball.move_ball_relative((0, int(self._dy)))
# speed up ball in x while key is pressed
self._dx *= DDX
# accelerate in y
self._dy += self._ddy
# Calculate a new ball_y_max depending on the x position
self.ball_y_max = self.bar.bar_y() - self.ball.height() + \
self._wedge_offset()
if self.ball.ball_y() >= self.ball_y_max:
# hit the bottom
self.ball.move_ball((self.ball.ball_x(), self.ball_y_max))
self._test()
self._new_bounce = True
if self.we_are_sharing():
if self._my_turn:
# Let the next player know it is their turn.
i = (self.buddies.index(self._activity.nick) + 1) % \
len(self.buddies)
self.its_their_turn(self.buddies[i])
self._activity.send_event('', {"data": (self.buddies[i])})
else:
if not self.we_are_sharing() and self._easter_egg_test():
self._animate()
else:
self._timeout = GObject.timeout_add(
max(STEP_PAUSE,
BOUNCE_PAUSE - self.count * STEP_PAUSE),
self._move_ball)
else:
self._timeout = GObject.timeout_add(STEP_PAUSE, self._move_ball)
def _wedge_offset(self):
return int(BAR_HEIGHT * (1 - (self.ball.ball_x() /
float(self.bar.width()))))
def _mark_offset(self, x):
return int(BAR_HEIGHT * (1 - (x / float(self.bar.width())))) - 12
def _animate(self):
''' A little Easter Egg just for fun. '''
if self._new_bounce:
self._dy = self._ddy * (1 - STEPS) / 2 # initial step size
self._new_bounce = False
self._current_frame = 0
self._frame_counter = 0
self.ball.move_frame(self._current_frame,
(self.ball.ball_x(), self.ball.ball_y()))
self.ball.move_ball((self.ball.ball_x(), self._height))
GObject.idle_add(play_audio_from_file, self, self._path_to_bubbles)
if self._accelerometer():
fh = open(ACCELEROMETER_DEVICE)
string = fh.read()
xyz = string[1:-2].split(',')
self._dx = float(xyz[0]) / 18.
fh.close()
else:
self._dx = uniform(-int(DX * self._scale), int(DX * self._scale))
self.ball.move_frame_relative(
self._current_frame, (int(self._dx), int(self._dy)))
self._dy += self._ddy
self._frame_counter += 1
self._current_frame = self.ball.next_frame(self._frame_counter)
if self.ball.frame_y(self._current_frame) >= self.ball_y_max:
# hit the bottom
self.ball.move_ball((self.ball.ball_x(), self.ball_y_max))
self.ball.hide_frames()
self._test(easter_egg=True)
self._new_bounce = True
self._timeout = GObject.timeout_add(BOUNCE_PAUSE, self._move_ball)
else:
GObject.timeout_add(STEP_PAUSE, self._animate)
def add_fraction(self, string):
''' Add a new challenge; set bar to 2x demominator '''
numden = string.split('/', 2)
self._challenges.append([string, int(numden[1]), 0])
def _get_new_fraction(self):
''' Select a new fraction challenge from the table '''
if not self.we_are_sharing():
n = int(uniform(0, len(self._challenges)))
else:
n = self._n
fstr = self._challenges[n][0]
if '/' in fstr: # fraction
numden = fstr.split('/', 2)
fraction = float(numden[0].strip()) / float(numden[1].strip())
elif '%' in fstr: # percentage
fraction = float(fstr.strip().strip('%').strip()) / 100.
else: # To do: add support for decimals (using locale)
_logger.debug('Could not parse challenge (%s)', fstr)
fstr = '1/2'
fraction = 0.5
return fraction, fstr, n
def _choose_a_fraction(self):
''' choose a new fraction and set the corresponding bar '''
# Don't repeat the same fraction twice in a row
fraction, fstr, n = self._get_new_fraction()
if not self.we_are_sharing():
while fraction == self._fraction:
fraction, fstr, n = self._get_new_fraction()
self._fraction = fraction
self._n = n
if self.mode == 'percents':
self._label = str(int(self._fraction * 100 + 0.5)) + '%'
else: # percentage
self._label = fstr
if self.mode == 'sectors':
self.ball.new_ball_from_fraction(self._fraction)
if not Gdk.Screen.width() < 1024:
self._activity.reset_label(
_('Bounce the ball to a position '
'%(fraction)s of the way from the left side of the bar.')
% {'fraction': self._label})
else:
self._activity.reset_label(_('Bounce the ball to %(fraction)s')
% {'fraction': self._label})
self.ball.ball.set_label(self._label)
self.bar.hide_bars()
if self._expert: # Show two-segment bar in expert mode
nseg = 2
else:
if self.mode == 'percents':
nseg = 10
else:
nseg = self._challenges[self._n][1]
# generate new bar on demand
self._current_bar = self.bar.get_bar(nseg)
self.bar.show_bar(nseg)
def _easter_egg_test(self):
''' Test to see if we show the Easter Egg '''
delta = self.ball.width() / 8
x = self.ball.ball_x() + self.ball.width() / 2
f = self.bar.width() * self._easter_egg / 100.
if x > f - delta and x < f + delta:
return True
else:
return False
def _test(self, easter_egg=False):
''' Test to see if we estimated correctly '''
self._timeout = None
if self._expert:
delta = self.ball.width() / 6
else:
delta = self.ball.width() / 3
x = self.ball.ball_x() + self.ball.width() / 2
f = int(self._fraction * self.bar.width())
self.bar.mark.move((int(f - self.bar.mark_width() / 2),
int(self.bar.bar_y() + self._mark_offset(f))))
if self._challenges[self._n][2] == 0: # label the column
spr = Sprite(self._sprites, 0, 0, self.blank_graphic)
spr.set_label(self._label)
spr.move((int(self._n * 27), 0))
spr.set_layer(-1)
self._challenges[self._n][2] += 1
if x > f - delta and x < f + delta:
spr = Sprite(self._sprites, 0, 0, self.smiley_graphic)
self._correct += 1
GObject.idle_add(play_audio_from_file, self, self._path_to_success)
else:
spr = Sprite(self._sprites, 0, 0, self.frown_graphic)
GObject.idle_add(play_audio_from_file, self, self._path_to_failure)
spr.move((int(self._n * 27), int(self._challenges[self._n][2] * 27)))
spr.set_layer(-1)
# after enough correct answers, up the difficulty
if self._correct == len(self._challenges) * 2:
self._challenge += 1
if self._challenge < len(CHALLENGES):
for challenge in CHALLENGES[self._challenge]:
self._challenges.append(challenge)
else:
self._expert = True
self.count += 1
self._dx = 0. # stop horizontal movement between bounces
def _keypress_cb(self, area, event):
''' Keypress: moving the slides with the arrow keys '''
k = Gdk.keyval_name(event.keyval)
if k in ['KP_Page_Down', 'KP_Home', 'h', 'Left', 'KP_Left']:
self._dx = -DX * self._scale
elif k in ['KP_Page_Up', 'KP_End', 'l', 'Right', 'KP_Right']:
self._dx = DX * self._scale
elif k in ['Return']:
self._choose_a_fraction()
self._move_ball()
else:
self._dx = 0.
if self._accel_flip:
self._dx = -self._dx
return True
def _keyrelease_cb(self, area, event):
''' Keyrelease: stop horizontal movement '''
self._dx = 0.
return True
def __draw_cb(self, canvas, cr):
self._sprites.redraw_sprites(cr=cr)
def do_expose_event(self, event=None):
''' Handle the expose-event by drawing '''
# Restrict Cairo to the exposed area
cr = self._activity.get_window().cairo_create()
if event is None:
cr.rectangle(0, 0, Gdk.Screen.width(), Gdk.Screen.height())
else:
cr.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
cr.clip()
self._sprites.redraw_sprites(cr=cr)
def _destroy_cb(self, win, event):
''' Callback to handle quit '''
Gtk.main_quit()
