def forward_effect(self, from_screen, to_screen):
"""
Fade out all components from the "from_screen" and fade in all
components of the "to_screen".
@param from_screen: Screen object (Currently displayed screen)
@param to_screen: Screen object (Screen displayed after transition)
"""
# Initialize to_screen for animation
to_screen.set_opacity(0x00)
to_screen.show()
# Fade out current screen
if from_screen is not None:
fade_out = clutter.Timeline(20, 60)
alpha_out = clutter.Alpha(fade_out, clutter.smoothstep_inc_func)
self.out_behaviour = clutter.BehaviourOpacity(
0xff, 0x00, alpha_out)
self.out_behaviour.apply(from_screen)
if self.direction == self.BACKWARD:
self.direction = self.FORWARD # Reset value
fade_out.connect('completed', self._remove_from_stage_callback,
from_screen)
# Fade in timeline
fade_in = clutter.Timeline(20, 60)
alpha_in = clutter.Alpha(fade_in, clutter.smoothstep_inc_func)
self.in_behaviour = clutter.BehaviourOpacity(0x00, 0xff, alpha_in)
self.in_behaviour.apply(to_screen)
# Start transition animation
if from_screen is not None:
fade_out.start()
fade_in.start()
def _change_preview_image(self):
"""
Run a timeline that crossfades preview images. This method is a callback
that is called every 4 seconds.
"""
if len(self.preview_textures) <= 1:
self.preview_textures[0].set_opacity(255)
elif self.config.show_effects:
#Fade out timeline
fade_out = clutter.Timeline(500)
alpha_out = clutter.Alpha(fade_out, clutter.EASE_IN_OUT_SINE)
self.out_behaviour = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_behaviour.apply(self.preview_textures[0])
# Fade in timeline
fade_in = clutter.Timeline(500)
alpha_in = clutter.Alpha(fade_in, clutter.EASE_IN_OUT_SINE)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(self.preview_textures[1])
# Start animation
fade_out.start()
fade_in.start()
else:
self.preview_textures[0].set_opacity(0)
self.preview_textures[1].set_opacity(255)
# Scroll images
self.preview_textures = self.preview_textures[1:] + \
self.preview_textures[:1]
return True
def __init__(self, theme):
clutter.Group.__init__(self)
self.animate_selector = False
selector_filename = theme.getImage("selector")
glow_filename = theme.getImage("selector_glow")
# Set selector base texture
self.selector = Texture(selector_filename)
self.selector.set_opacity(200)
self.add(self.selector)
# Set selector GLOW texture
self.glow = Texture(glow_filename)
self.glow.set_opacity(0)
self.add(self.glow)
# Animate selector (Glow effect with glow overlay texture)
self.in_time = clutter.Timeline(1500)
self.in_alpha = clutter.Alpha(self.in_time, clutter.EASE_IN_OUT_SINE)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, self.in_alpha)
self.in_behaviour.apply(self.glow)
self.out_time = clutter.Timeline(1500)
self.out_alpha = clutter.Alpha(self.out_time, clutter.EASE_IN_OUT_SINE)
self.out_behaviour = clutter.BehaviourOpacity(255, 0, self.out_alpha)
self.out_behaviour.apply(self.glow)
self.score = clutter.Score()
self.score.set_loop(True)
self.score.append(timeline=self.in_time)
# Link the out Timeline so that there is a smooth fade out.
self.score.append(timeline=self.out_time, parent=self.in_time)
def _update_albumart(self, artist, title):
"""
Search album art for current audio disc. This function is called only
if album art doesn't exist already. If album art is found then we
replace current disc icon with the new album art.
@param artist: Artist name
@param title: Album title
"""
art_file = os.path.join(self.config.ALBUM_ART_DIR,
artist + " - " + title + ".jpg")
if os.path.exists(art_file):
clutter.threads_enter()
self.art2 = Texture(art_file, 0.1, 0.165)
clutter.threads_leave()
self.art2.set_size(self.get_abs_x(0.3148), self.get_abs_y(0.5599))
self.art2.set_opacity(0)
self.add(self.art2)
timeline_in = clutter.Timeline(35, 26)
alpha_in = clutter.Alpha(timeline_in, clutter.smoothstep_inc_func)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(self.art2)
timeline_out = clutter.Timeline(35, 26)
alpha_out = clutter.Alpha(timeline_out, clutter.smoothstep_inc_func)
self.out_behaviour = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_behaviour.apply(self.art)
timeline_out.start()
timeline_in.start()
def __init__(self, theme):
"""Initialize overlay texture."""
Texture.__init__(self, filename=theme.getImage("menu_overlay"))
self.timeline = clutter.Timeline(500)
self.alpha = clutter.Alpha(self.timeline, clutter.EASE_IN_OUT_SINE)
self.behaviour = clutter.BehaviourOpacity(255, 0, self.alpha)
self.behaviour.apply(self)
def __init__(self, message):
self.stage = clutter.Stage()
self.stage.set_color(clutter.color_from_string('DarkSlateGrey'))
self.stage.set_size(800, 600)
self.stage.set_title('My First Clutter Application')
self.stage.connect('key-press-event', clutter.main_quit)
self.stage.connect('button-press-event', self.on_button_press_event)
color = clutter.Color(0xff, 0xcc, 0xcc, 0xdd)
self.label = clutter.Text()
self.label.set_font_name('Mono 32')
self.label.set_text(message)
self.label.set_color(color)
(label_width, label_height) = self.label.get_size()
label_x = self.stage.get_width() - label_width - 50
label_y = self.stage.get_height() - label_height
self.label.set_position(label_x, label_y)
self.stage.add(self.label)
self.cursor = clutter.Rectangle()
self.cursor.set_color(color)
self.cursor.set_size(20, label_height)
cursor_x = self.stage.get_width() - 50
cursor_y = self.stage.get_height() - label_height
self.cursor.set_position(cursor_x, cursor_y)
self.stage.add(self.cursor)
self.timeline = clutter.Timeline(500)
self.timeline.set_loop(True)
alpha = clutter.Alpha(self.timeline, clutter.LINEAR)
self.behaviour = clutter.BehaviourOpacity(0xdd, 0, alpha)
self.behaviour.apply(self.cursor)
def __init__(self, *args, **kwargs):
self._stage = clutter.Stage()
self._stage.set_color(clutter.Color(0, 0, 0, 255))
self._stage.set_size(300, 300)
self._stage.connect('key-press-event', clutter.main_quit)
rect = clutter.Rectangle()
rect.set_color(clutter.Color(255, 255, 255, 0x99))
rect.set_size(100, 100)
rect.set_position(100, 100)
self._stage.add(rect)
rect = clutter.Rectangle()
rect.set_color(clutter.Color(255, 255, 255, 255))
rect.move_anchor_point_from_gravity(clutter.GRAVITY_CENTER)
rect.set_size(100, 100)
rect.set_position(100, 100)
self._stage.add(rect)
self._gravity = clutter.GRAVITY_NORTH_WEST
self._rect = rect
self._timeline = clutter.Timeline(duration=500)
self._timeline.set_loop(True)
self._timeline.connect('completed', self.on_timeline_completed, self)
alpha = clutter.Alpha(self._timeline, clutter.LINEAR)
self._behave = clutter.BehaviourScale(0.0, 0.0, 1.0, 1.0, alpha=alpha)
self._behave.apply(rect)
self._stage.show_all()
def __init__ (self, nhands=6):
clutter.Group.__init__(self)
self.n_hands = nhands
self.timeline = clutter.Timeline(5000)
self.timeline.set_loop(True)
self.timeline.connect('new-frame', self.on_new_frame)
def sine_wave (alpha):
return math.sin(alpha.get_timeline().get_progress() * math.pi)
self.alpha = clutter.Alpha(self.timeline)
self.alpha.set_func(sine_wave)
self.scalers = []
self.scalers.append(clutter.BehaviourScale(0.5, 0.5, 1.0, 1.0, self.alpha))
self.scalers.append(clutter.BehaviourScale(1.0, 1.0, 0.5, 0.5, self.alpha))
self.stage = clutter.Stage(default=True)
self.stage.set_size(1024, 768)
self.stage.connect('button-press-event', self.on_button_press)
self.stage.connect('key-press-event', self.on_key_press)
self.create_hands()
def __init__(self, name, title="Untitled tab", callback=None):
Base.__init__(self)
clutter.Group.__init__(self)
self.name = name
self.title = title
self.callback = callback
self.theme = self.config.theme
self.dispatch = {
UserEvent.NAVIGATE_UP : self._handle_up,
UserEvent.NAVIGATE_DOWN : self._handle_down,
UserEvent.NAVIGATE_LEFT : self._handle_left,
UserEvent.NAVIGATE_RIGHT : self._handle_right,
UserEvent.NAVIGATE_SELECT : self._handle_select,
}
# show/hide animation on the Tab
self.timeline = clutter.Timeline(500)
self.timeline.connect('completed', self._on_timeline_completed)
self.alpha = clutter.Alpha(self.timeline, clutter.EASE_IN_OUT_SINE)
self.behaviour = clutter.BehaviourOpacity(0, 255, self.alpha)
self.behaviour.apply(self)
# Tabs are created deactivated and invisible
self._active = None
self._visible = False
self.set_opacity(0)
self.hide()
def __init__(self, item_gap, item_height, font_size, color_name):
clutter.Group.__init__(self)
self._motion_buffer = MotionBuffer()
self._items = []
self._item_gap = item_gap
self._item_height = item_height
self._item_font_size = font_size
self._item_color_name = color_name
self._selected_index = 1
self._visible_items = 5
self._event_mode = -1
self._animation_progression = 0
self._animation_start_index = 1
self._animation_end_index = 1
self._active = False
self._motion_handler = 0
self._timeline = clutter.Timeline(300)
self._alpha = clutter.Alpha(self._timeline, clutter.EASE_IN_OUT_SINE)
# preparation to pointer events handling
self.set_reactive(True)
self.connect('scroll-event', self._on_scroll_event)
self.connect('button-press-event', self._on_button_press_event)
self.connect('button-release-event', self._on_button_release_event)
def _update_album_preview(self, album):
"""
Update album preview. Display preview images from the current album.
@param album: Currently selected album in menu
"""
if self.preview_fade is not None:
gobject.source_remove(self.preview_fade)
new = self._create_album_preview(album)
if self.config.show_effects:
old = self.preview
new.set_opacity(0)
self.preview = new
self.add(self.preview)
#Fade out timeline
timeline1 = clutter.Timeline(500)
alpha1 = clutter.Alpha(timeline1, clutter.EASE_IN_OUT_SINE)
self.out_opacity = clutter.BehaviourOpacity(255, 0, alpha1)
self.out_opacity.apply(old)
timeline1.connect('completed', self._change_preview_timeline_ended,
old)
# Fade in timeline
timeline2 = clutter.Timeline(500)
alpha2 = clutter.Alpha(timeline2, clutter.EASE_IN_OUT_SINE)
self.in_opacity = clutter.BehaviourOpacity(0, 255, alpha2)
self.in_opacity.apply(new)
# Start animation
timeline1.start()
timeline2.start()
else:
# Do it without animation
if self.preview is not None:
self.remove(self.preview)
self.preview = new
self.add(self.preview)
if len(self.preview_textures) > 1:
self.preview_fade = gobject.timeout_add(6000,
self._change_preview_image)
return False # see gobject.timeout_add() doc
def hide(self):
'''Hide throbber smoothly and stop animation.'''
timeline = clutter.Timeline(2000)
alpha = clutter.Alpha(timeline, clutter.EASE_IN_OUT_SINE)
self.behaviour = clutter.BehaviourOpacity(255, 0, alpha)
self.behaviour.apply(self)
timeline.start()
gobject.timeout_add(5, self._stop_rotating, timeline)
def _setupPageTurning(self):
self.pageTurnTl = clutter.Timeline(200)
self.pageTurnAlpha = clutter.Alpha(self.pageTurnTl,
clutter.EASE_IN_CIRC)
self.fadeIn = self._fadeInOpac
self.fadeOut = self._fadeOutOpac
# page turn complete notifications
self.pageShownCB = None
self.pageTurnTl.connect('completed', self._pageTurnDoneCB)
self.oldPage = None
def __init__(self, x, y, width, height, color="title"):
Base.__init__(self)
clutter.Group.__init__(self)
self.width = self.get_abs_x(width)
self.height = self.get_abs_y(height)
self.bar_width = int(self.width * self.BAR_LENGTH)
self.bar_x = int(self.width * self.INFO_LENGTH)
self.media_length_x = (1 - self.INFO_LENGTH + 0.05) * width
self.set_position(self.get_abs_x(x), self.get_abs_y(y))
self._color = self._color_to_cairo_color(
self.config.theme.get_color(color))
self._background = clutter.CairoTexture(self.bar_width, self.height)
self._draw_background()
self._background.set_position(self.bar_x, 0)
self.add(self._background)
self._foreground = clutter.CairoTexture(self.height, self.height)
self._foreground.set_anchor_point_from_gravity(clutter.GRAVITY_CENTER)
self._draw_foreground()
self._foreground.set_position(self.bar_x, 0)
self.add(self._foreground)
self.media_position = Label(0.037, "title", 0, 0, "")
self.add(self.media_position)
self.media_length = Label(0.037, "title", self.media_length_x, 0, "")
self.add(self.media_length)
self._media_player = None
self._progress_bar_moving = False
self._hide_timeout_key = None
self.auto_display = False
self._visible = None
self._timeline = clutter.Timeline(500)
self._alpha = clutter.Alpha(self._timeline, clutter.EASE_IN_OUT_SINE)
self._behaviour = clutter.BehaviourOpacity(0, 255, self._alpha)
self._behaviour.apply(self)
self._progress = None
# Call the property setter to initialize the displayed position.
self.progress = 0
# Preparation to pointer events handling.
self._motion_handler = 0
self.set_reactive(True)
self.connect('scroll-event', self._on_scroll_event)
self.connect('button-press-event', self._on_button_press_event)
self.connect('button-release-event', self._on_button_release_event)
self.connect('enter-event', self._on_enter_event)
self.connect('leave-event', self._on_leave_event)
def __init__(self, width, height, text, extra_text=None):
TextMenuItem.__init__(self, width, height, text, extra_text)
self.move_anchor_point_from_gravity(clutter.GRAVITY_WEST)
self.font_size = 0.03
self.update()
self.timeline = clutter.Timeline(200)
alpha = clutter.Alpha(self.timeline, clutter.EASE_IN_OUT_SINE)
self.behaviour = FontSizeBehaviour(alpha)
self.behaviour.apply(self)
def add_to_ellipse_behaviour(timeline_rotation, start_angle, item):
if not timeline_rotation:
return
alpha = clutter.Alpha(timeline_rotation, clutter.EASE_OUT_SINE)
item.ellipse_behaviour = clutter.BehaviourEllipse(alpha=alpha,
x=320, y=ELLIPSE_Y, # x, y
width=ELLIPSE_HEIGHT, height=ELLIPSE_HEIGHT, # width, height
start=start_angle, end=start_angle + 360)
item.ellipse_behaviour.set_direction(clutter.ROTATE_CW)
item.ellipse_behaviour.set_angle_tilt(clutter.X_AXIS, -90)
item.ellipse_behaviour.apply(item.actor)
def forward_effect(self, from_screen, to_screen):
"""
Fade+zoom out all components from the "from_screen" and fade+zoom in
all components of the "to_screen".
@param from_screen: Screen object (Currently displayed screen)
@param to_screen: Screen object (Screen displayed after transition)
"""
# Initialize to_screen for animation
to_screen.set_opacity(0)
to_screen.show()
# Fade out current screen
if from_screen is not None:
fade_out = clutter.Timeline(22, 85)
alpha_out = clutter.Alpha(fade_out, clutter.smoothstep_inc_func)
self.out_fade = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_fade.apply(from_screen)
#from_screen.set_anchor_point_from_gravity(
# clutter.GRAVITY_CENTER)
self.out_zoom = clutter.BehaviourScale(1.0, 1.0, 1.2, 1.2,
alpha_out)
#from_screen.set_anchor_point(0,0)
self.out_zoom.apply(from_screen)
# Fade in timeline
fade_in = clutter.Timeline(22, 85)
alpha_in = clutter.Alpha(fade_in, clutter.smoothstep_inc_func)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(to_screen)
#to_screen.set_anchor_point_from_gravity(
# clutter.GRAVITY_CENTER)
self.in_zoom = clutter.BehaviourScale(0.8, 0.8, 1.0, 1.0, alpha_in)
#to_screen.set_anchor_point(0,0)
self.in_zoom.apply(to_screen)
# Start transition animation
if from_screen is not None:
fade_out.start()
fade_in.start()
def __init__(self):
#create a clutter stage
self.stage = clutter.Stage()
#set the stage size in x,y pixels
self.stage.set_size(500, 200)
#define some clutter colors in rgbo (red,green,blue,opacity)
color_black = clutter.Color(0, 0, 0, 255)
color_green = clutter.Color(0, 255, 0, 255)
color_blue = clutter.Color(0, 0, 255, 255)
#set the clutter stages bg color to our black
self.stage.set_color(color_black)
#we will need to check on the key presses from the user
self.stage.connect('key-press-event', self.parseKeyPress)
#create a clutter label, is there documentation for creating a clutterlabel?
self.label = clutter.Label()
#set the labels font
self.label.set_font_name('Mono 32')
#add some text to the label
self.label.set_text("Hello")
#make the label green
self.label.set_color(color_green)
#put the label in the center of the stage
(label_width, label_height) = self.label.get_size()
label_x = (self.stage.get_width() / 2) - label_width / 2
label_y = (self.stage.get_height() / 2) - label_height / 2
self.label.set_position(label_x, label_y)
#make a second label similar to the first label
self.label2 = clutter.Label()
self.label2.set_font_name('Mono 32')
self.label2.set_text("World!")
self.label2.set_color(color_blue)
(label2_width, label2_height) = self.label2.get_size()
label2_x = (self.stage.get_width() / 2) - label2_width / 2
label2_y = (self.stage.get_height() / 2) - label2_height / 2
self.label2.set_position(label2_x, label2_y)
#hide the label2
self.label2.set_opacity(0)
#create a timeline for the animations that are going to happen
self.timeline = clutter.Timeline(fps=20, duration=500)
#how will the animation flow? ease in? ease out? or steady?
#ramp_inc_func will make the animation steady
labelalpha = clutter.Alpha(self.timeline, clutter.ramp_inc_func)
#make some opacity behaviours that we will apply to the labels
self.hideBehaviour = clutter.BehaviourOpacity(255, 0x00, labelalpha)
self.showBehaviour = clutter.BehaviourOpacity(0x00, 255, labelalpha)
#add the items to the stage
self.stage.add(self.label2)
self.stage.add(self.label)
#show all stage items and enter the clutter main loop
self.stage.show_all()
clutter.main()
def _do_slide(self, from_screen, to_screen, direction, remove_screen):
'''Execute the common sliding logic needed by each direction.
Direction will set the sign of width to determine which way to slide.'''
width = self.config.stage_width * direction
# Initialize to_screen for animation
to_screen.set_position(-width, 0)
to_screen.show()
# Slide out timeline
if from_screen is not None:
slide_out = clutter.Timeline(500)
alpha_out = clutter.Alpha(slide_out, clutter.EASE_IN_OUT_SINE)
out_path = clutter.Path()
out_path.add_move_to(0, 0)
out_path.add_line_to(width, 0)
self.out_behaviour = clutter.BehaviourPath(alpha_out, out_path)
self.out_behaviour.apply(from_screen)
if remove_screen:
slide_out.connect('completed',
self._remove_from_stage_callback,
from_screen)
# Slide in timeline
slide_in = clutter.Timeline(500)
alpha_in = clutter.Alpha(slide_in, clutter.EASE_IN_OUT_SINE)
in_path = clutter.Path()
in_path.add_move_to(-width, 0)
in_path.add_line_to(0, 0)
self.in_behaviour = clutter.BehaviourPath(alpha_in, in_path)
self.in_behaviour.apply(to_screen)
# Start transition animating
if from_screen is not None:
slide_out.start()
slide_in.start()
def __init__(self, actor, function, duration, target, start=None):
self.actor = actor
self.function = function
self.duration = duration
if start is None:
self.startValue = actor.get_opacity()
else:
self.startValue = start
self.targetValue = target
self.timeline = clutter.Timeline(self.duration)
self.alpha = clutter.Alpha(self.timeline, self.function)
self.BehOp = clutter.BehaviourOpacity(self.startValue,
self.targetValue, self.alpha)
self.BehOp.apply(actor)
def backward_effect(self, from_screen, to_screen):
"""
Do the same as forward_effect, but zoom backwards. This gives an
illusion of going back.
@param from_screen: Screen object (Currently displayed screen)
@param to_screen: Screen object (Screen displayed after transition)
"""
# Initialize to_screen for animation
to_screen.set_opacity(0x00)
to_screen.show()
# Fade out current screen
fade_out = clutter.Timeline(22, 85)
alpha_out = clutter.Alpha(fade_out, clutter.smoothstep_inc_func)
self.out_fade = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_fade.apply(from_screen)
#from_screen.set_anchor_point_from_gravity(
# clutter.GRAVITY_CENTER)
self.out_zoom = clutter.BehaviourScale(1.0, 1.0, 0.8, 0.8, alpha_out)
self.out_zoom.apply(from_screen)
fade_out.connect('completed', self._remove_from_stage_callback,
from_screen)
# Fade in timeline
fade_in = clutter.Timeline(22, 85)
alpha_in = clutter.Alpha(fade_in, clutter.smoothstep_inc_func)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(to_screen)
#to_screen.set_anchor_point_from_gravity(
# clutter.GRAVITY_CENTER)
self.in_zoom = clutter.BehaviourScale(1.2, 1.2, 1.0, 1.0, alpha_in)
self.in_zoom.apply(to_screen)
# Start transition animation
if from_screen is not None:
fade_out.start()
fade_in.start()
def main(args):
stage = clutter.Stage()
stage.set_size(800, 600)
stage.set_color(clutter.Color(0xcc, 0xcc, 0xcc, 0xff))
stage.connect('key-press-event', clutter.main_quit)
stage.connect('destroy', clutter.main_quit)
rect = clutter.Rectangle()
rect.set_position(0, 0)
rect.set_size(150, 150)
rect.set_color(clutter.Color(0x33, 0x22, 0x22, 0xff))
rect.set_border_color(clutter.color_from_string('white'))
rect.set_border_width(15)
rect.show()
knots = ( \
( 0, 0 ), \
( 300, 0 ), \
( 300, 300 ), \
( 0, 300 ), \
)
path = clutter.Path('M 0 0 L 300 0 L 300 300 L 0 300')
timeline = clutter.Timeline(3000)
timeline.set_loop(True)
alpha = clutter.Alpha(timeline, clutter.EASE_OUT_SINE)
o_behaviour = clutter.BehaviourOpacity(alpha=alpha,
opacity_start=0x33,
opacity_end=255)
o_behaviour.apply(rect)
p_behaviour = clutter.BehaviourPath(alpha, path)
path.add_move_to(0, 0)
p_behaviour.apply(rect)
r_behaviour = BehaviourRotate(alpha)
r_behaviour.apply(rect)
stage.add(rect)
stage.show()
timeline.start()
clutter.main()
return 0
def __init__(self, x, y, width, height, content):
Base.__init__(self)
clutter.Group.__init__(self)
self._motion_buffer = MotionBuffer()
self._offset = 0 # Drives the content motion.
self._offset_max = 0 # Maximum value of offset (equal on bottom).
self._old_offset = 0 # Stores the old value of offset on motions.
self._motion_handler = 0
self._active = None
self.step_size = self.get_abs_y(self.STEP_SIZE_PERCENT)
# Allowed area for the widget's scrolling content.
self.area_width = self.get_abs_x(width)
self.area_height = self.get_abs_y(height)
# Create content position indicator
self.indicator = ListIndicator(3 * width / 4, height, 0.2, 0.045,
ListIndicator.VERTICAL)
self.indicator.hide_position()
self.indicator.set_maximum(2)
self.add(self.indicator)
# A clipped Group to receive the content.
self._fixed_group = clutter.Group()
self._fixed_group.set_clip(0, 0, self.area_width, self.area_height)
self.add(self._fixed_group)
self.content = None
self._motion_timeline = clutter.Timeline(500)
self._motion_timeline.connect('completed',
self._motion_timeline_callback, None)
self._motion_alpha = clutter.Alpha(self._motion_timeline,
clutter.EASE_OUT_SINE)
self._motion_behaviour = LoopedPathBehaviour(self._motion_alpha)
self.set_content(content)
self.active = None
# Preparation to pointer events handling.
self.set_reactive(True)
self.connect('button-press-event', self._on_button_press_event)
self.connect('button-release-event', self._on_button_release_event)
self.connect('scroll-event', self._on_scroll_event)
self.set_position(self.get_abs_x(x), self.get_abs_y(y))
def main():
stage_color = clutter.Color(0, 0, 0, 255)
rect_color = clutter.Color(255, 255, 255, 153)
# Get the stage and set its size and color
stage = clutter.Stage()
stage.set_size(200, 200)
stage.set_color(stage_color)
# Add a rectangle to the stage
rect = clutter.Rectangle(rect_color)
rect.set_size(40, 40)
rect.set_position(10, 10)
stage.add(rect)
rect.show()
# Show the stage
stage.connect('destroy', clutter.main_quit)
stage.show()
timeline = clutter.Timeline(5000) # milliseconds
timeline.set_loop(True)
timeline.start()
# Create a clutter alpha for the animation
alpha = clutter.Alpha(timeline)
alpha.set_func(on_alpha, None)
# Create an animation to change the properties
# XXX: There is a bug in pygobject that will refuse to convert between
# ints and chars. This should be fixed when clutter 1.2 is out and
# pyclutter targets it. The result is that the opacity won't be animated
# the bug report is https://bugzilla.gnome.org/show_bug.cgi?id=591800
# and shall be fixed in the next release, so perhaps by the time you read
# this is already fixed.
rect.animate_with_alpha(alpha, 'x', 150.0, 'y', 150.0, 'opacity', 0.0)
# Start the main loop, so we can respond to events
clutter.main()
return 0
def __init__(self, obj):
super(BlinkingText, self).__init__(
settings.SCROLLING_TEXT_FONT, obj.__str__()
)
self.obj = obj
# Setup text attributes
self.set_color(FONT_COLOR)
self.set_opacity(FONT_OPACITY)
self.set_property('scale-gravity', clutter.GRAVITY_CENTER)
self.set_line_alignment(ALIGN_CENTER)
self.set_line_wrap(True)
# Setup blinking timeline.
self.timeline = clutter.Timeline(duration=settings.BLINKING_TEXT_RATE)
self.timeline.set_loop(True)
self.alpha = clutter.Alpha(self.timeline, clutter.LINEAR)
self.blink = clutter.BehaviourOpacity(alpha=self.alpha,
opacity_start=FONT_OPACITY,
opacity_end=255)
self.timeline.connect('completed', self.on_blink_completed)
def _update_preview_area(self):
'''Update the preview area to display the current menu item.'''
self.preview.remove_all()
item = self.menu.get_selected()
self.preview.set_opacity(0x00)
update = True
if item.get_name() == "playing":
self.preview.add(self._create_playing_preview())
else:
update = False
# If the preview was updated fade it in.
if update:
fade_in = clutter.Timeline(500)
alpha_in = clutter.Alpha(fade_in, clutter.EASE_IN_OUT_SINE)
self.behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.behaviour.apply(self.preview)
fade_in.start()
def on_timeline_rotation_completed(timeline):
# All the items have now been rotated so that the clicked item is at the
# front. Now we transform just this one item gradually some more, and
# show the filename.
# Transform the image
global timeline_moveup
actor = item_at_front.actor
timeline_moveup = clutter.Timeline(1000) # milliseconds
alpha = clutter.Alpha(timeline_moveup, clutter.EASE_OUT_SINE)
# Scale the item from its normal scale to approximately twice the normal scale
scale_start = actor.get_scale()[0]
scale_end = scale_start * 1.8
global behaviour_scale
behaviour_scale = clutter.BehaviourScale(scale_start, scale_start,
scale_end, scale_end,
alpha=alpha)
behaviour_scale.apply(actor)
# Move the item up the y axis
knots = (
(int(actor.get_x()), int(actor.get_y())),
(int(actor.get_x()), int(actor.get_y() - 250)),
)
global behaviour_path
behaviour_path = clutter.BehaviourPath(alpha, knots=knots)
behaviour_path.apply(actor)
# Show the filename gradually
global label_filename
label_filename.set_text(item_at_front.filepath)
global behaviour_opacity
behaviour_opacity = clutter.BehaviourOpacity(0, 255, alpha=alpha)
behaviour_opacity.apply(label_filename)
# Start the timeline and handle its "completed" signal so we can unref it
timeline_moveup.connect('completed', on_timeline_moveup_completed)
timeline_moveup.start()
def main(args):
stage = clutter.Stage()
stage.set_color(clutter.Color(0, 0, 0, 255))
stage.set_title('TextureReflection')
stage.connect('button-press-event', clutter.main_quit)
stage.connect('destroy', clutter.main_quit)
group = clutter.Group()
stage.add(group)
try:
tex = clutter.Texture(filename=args[0])
except Exception:
print "Unable to load the texture file"
return 1
reflect = TextureReflection(tex)
reflect.set_opacity(100)
x_pos = float((stage.get_width() - tex.get_width()) / 2)
group.add(tex, reflect)
group.set_position(x_pos, 20.0)
reflect.set_position(0.0, (tex.get_height() + 20))
timeline = clutter.Timeline(duration=3000)
timeline.set_loop(True)
alpha = clutter.Alpha(timeline, clutter.LINEAR)
behaviour = clutter.BehaviourRotate(clutter.Y_AXIS, 0.0, 360.0, alpha,
clutter.ROTATE_CW)
behaviour.set_center(int(group.get_width() / 2), 0, 0)
behaviour.apply(group)
stage.show()
timeline.start()
clutter.main()
return 0
def _change_image(self, index):
"""
Change current image. Display image from given index.
"""
if self.texture:
self.texture.destroy()
# Create a new texture and display it
image = self.images[index]
self.index = index
self.texture = Texture(image.get_filename())
self._scale_image(self.texture)
timeline = clutter.Timeline(1000)
alpha = clutter.Alpha(timeline, clutter.EASE_IN_OUT_SINE)
self.opacity_behaviour = clutter.BehaviourOpacity(alpha=alpha,
opacity_start=0,
opacity_end=255)
self.opacity_behaviour.apply(self.texture)
self.texture.set_opacity(0)
timeline.start()
self.add(self.texture)
def main():
stage_color = clutter.Color(0, 0, 0, 255)
rect_color = clutter.Color(255, 255, 255, 153)
# Get the stage and set its size and color
stage = clutter.Stage()
stage.set_size(200, 200)
stage.set_color(stage_color)
# Add a rectangle to the stage
rect = clutter.Rectangle(rect_color)
rect.set_size(40, 40)
rect.set_position(10, 10)
stage.add(rect)
rect.show()
# Show the stage
stage.connect('destroy', clutter.main_quit)
stage.show()
timeline = clutter.Timeline(5000) # milliseconds
timeline.set_loop(True)
timeline.start()
# Instead of our custom callback,
# we could use a standard callback. For instance, CLUTTER_ALPHA_SINE_INC.
alpha = clutter.Alpha(timeline)
alpha.set_func(on_alpha, None)
behaviour = clutter.BehaviourPath(alpha, knots=((10, 10), (150, 150)))
behaviour.apply(rect)
# Start the main loop, so we can respond to events
clutter.main()
return 0
