def pick_wcz_file(self):
# no enough themes to change?
if len(self.wcz_filenames) < 2 and self.clock is not None:
return
last_wcz_filename = self.wcz_filename
while last_wcz_filename == self.wcz_filename:
self.wcz_filename = choice(self.wcz_filenames)
# reinitialize WallpaperClock object
self.clock = WallpaperClock(self.wcz_filename)
# get name from wallpaper clock ini configure file
try:
name = self.clock.get_information()['Settings']['name'].split('\r')[0]
except:
name = '<unknown name>'
print("Using: %s (%s)" % (name, self.wcz_filename))
if not self.load_background():
sys.exit('Failed to load background, exiting...')
else:
# resize window
background_size = self.background.get_width(), self.background.get_height()
self.set_size_request(background_size[0], background_size[1])
# create frame, copy background to frame
if self.frame is None:
self.frame = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
background_size[0], background_size[1])
# force timeout() to redraw (to new edge_frame)
self.last_minute = -1
# redirect drawing from self.frame to self.edge_frame
self.edge_frame_alpha = 0.0
self.edge_frame = self.background.copy()
self.theme_used_since = time.time()
class WallpaperClockDesktop(gtk.Window):
clock = None # WallpaperClock object
wcz_filenames = None # list of wcz filenames
wcz_filename = None # current wcz filename
frame = None # frame of the background image
background = None # background-pixbuf
screen = None # screen
timer = None
last_minute = None
theme_used_since = None # theme is used since
edge_frame = None # current frame (used when switching theme)
edge_frame_alpha = None # original frame alpha in current frame
dirty = False # pending redraw to screen ?
def __init__(self, parent = None, filename = None):
# create window
gtk.Window.__init__(self)
# set window properties
self.set_keep_below(True)
self.set_decorated(False)
self.set_focus(None)
self.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DESKTOP)
self.set_resizable(False)
self.set_gravity(gtk.gdk.GRAVITY_STATIC)
# read wcz file list
self.wcz_filenames = sys.argv[1:]
if len(self.wcz_filenames) == 0:
self.wcz_filenames = [ i for i in os.listdir('.') if i.lower().endswith('.wcz') ]
print('Using wcz files in current directory: %d item(s)' % len(self.wcz_filenames))
if len(self.wcz_filenames) == 0:
sys.exit('No wcz file found, exiting...')
if len(self.wcz_filenames) == 1:
THEME_CHANGE_RATE = 1e100 # that's a very long time
try:
self.set_screen(parent.get_screen())
except AttributeError:
self.connect("destroy", lambda *w: gtk.main_quit())
self.connect("destroy", self.cleanup_callback)
self.set_title(self.__class__.__name__)
# pick one wcz file and extract it to cache path and load background
self.pick_wcz_file()
self.edge_frame = None
self.timeout()
# add drawing area and refresh timer
da = gtk.DrawingArea()
da.connect("expose_event", self.expose_cb)
self.add(da)
self.timer = gobject.timeout_add(FRAME_REFRESH_RATE, self.timeout)
# show all
self.show_all()
def pick_wcz_file(self):
# no enough themes to change?
if len(self.wcz_filenames) < 2 and self.clock is not None:
return
last_wcz_filename = self.wcz_filename
while last_wcz_filename == self.wcz_filename:
self.wcz_filename = choice(self.wcz_filenames)
# reinitialize WallpaperClock object
self.clock = WallpaperClock(self.wcz_filename)
# get name from wallpaper clock ini configure file
try:
name = self.clock.get_information()['Settings']['name'].split('\r')[0]
except:
name = '<unknown name>'
print("Using: %s (%s)" % (name, self.wcz_filename))
if not self.load_background():
sys.exit('Failed to load background, exiting...')
else:
# resize window
background_size = self.background.get_width(), self.background.get_height()
self.set_size_request(background_size[0], background_size[1])
# create frame, copy background to frame
if self.frame is None:
self.frame = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
background_size[0], background_size[1])
# force timeout() to redraw (to new edge_frame)
self.last_minute = -1
# redirect drawing from self.frame to self.edge_frame
self.edge_frame_alpha = 0.0
self.edge_frame = self.background.copy()
self.theme_used_since = time.time()
def composite_zoomed_file(self, filename, frame = None, alpha = 255):
''' Crop and resize a pixbuf according to frame size.
Then draw it on frame (self.frame by default).
'''
# default frame
if frame is None:
frame = self.frame
# skip if no filename provided
if filename is None:
return
pixbuf = gtk.gdk.pixbuf_new_from_file(filename)
data = None
pix_size = pixbuf.get_width(), pixbuf.get_height()
frame_size = frame.get_width(), frame.get_height()
ratio = max([ 1.0 * frame_size[i] / pix_size[i] for i in range(2) ])
crop_offset = [ (frame_size[i] - pix_size[i] * ratio) / 2 for i in range(2) ]
# crop, scale and draw on self.frame
pixbuf.composite(frame,
0, 0, frame_size[0], frame_size[1],
crop_offset[0], crop_offset[1], ratio, ratio,
gtk.gdk.INTERP_BILINEAR, alpha)
pixbuf = None
def load_background(self):
''' Loads the images for the demo and returns whether the
operation succeeded.
'''
# load wallpaper clock background
try:
self.screen = gtk.gdk.screen_get_default()
self.background = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
self.screen.get_width(), self.screen.get_height())
self.composite_zoomed_file(self.clock.get_path('bg.jpg'), self.background)
except gobject.GError, error:
return False
return True
