def resize(self):
if not self.fixed_min_size:
self.min_size = Vect.merge(*[c.min_size for c in self.children])
if not self.fixed_optimal_size:
self.optimal_size = Vect.merge(
self.min_size,
*[c.optimal_size for c in self.children])
def __set_text(self, value):
# assert isinstance(value, (str, unicode))
self.__text = unicode(value)
# XXX: We need to recompute the optimal size !!!
self.surface = None # TODO: remove that
if not self.fixed_optimal_size:
self.optimal_size = Vect(32 * len(value), 40)
self.min_size = Vect(0, 40)
self.need_redraw(self.rect)
def __init__(self, size, fullscreen=False):
Painter.__init__(self, Vect(0, 0), Rect((0, 0), size))
pygame.display.init()
pygame.font.init()
flags = pygame.RESIZABLE
self.surface = pygame.display.set_mode(size, flags)
pygame.display.set_caption("Tichy")
def to_surface(self, surface):
"""Return a engine similar to this one but
drawing into a given surface"""
ret = SdlPainter.__new__(SdlPainter)
ret.pos = Vect(0, 0)
ret.mask = Rect((0, 0), surface.get_size())
ret.surface = surface
return ret
def organize(self):
if not self.children:
return
axis = self.axis
cell_size = self.cell_min_size()
for i, c in enumerate(self.children):
c.pos = Vect(0, 0).set(
axis, i / self.nb * (cell_size[axis] + self.spacing)).set(
axis - 1, i % self.nb * (cell_size[axis - 1] + self.spacing))
c.size = cell_size
def __init__(self, events_source, painter, **kargs):
self.redraw_rect = None
super(Screen, self).__init__(None,
events_source=events_source,
modal=False,
**kargs)
self.size = Vect(480, 640) # TODO find a better way
self.painter = painter
self.redraw_rect = self.rect
self.monitor(events_source, 'tick', self.on_tick)
def organize(self):
axis = self.axis
# First we put all the children in there minimum size
for c in self.children:
c.size = c.min_size.set(axis - 1, self.contents_size[axis - 1])
assert c.size[axis] >= c.min_size[axis]
# We grow the children as much as we can
length = self.contents_size[axis]
while True:
children_need = [
c for c in self.children if c.optimal_size[axis] > c.size[axis]
]
if not children_need:
break
tot = sum((c.size[axis] + self.spacing \
for c in self.children)) - self.spacing
free = max(0, length - tot)
free_per_child = free / len(children_need)
for c in children_need:
if c.optimal_size[axis] - c.size[axis] < free_per_child:
c.size = c.size.set(axis, c.optimal_size[axis])
break
else:
break
for c in children_need:
c.size = c.size.set(axis, c.size[axis] + free_per_child)
# If we still have some free space, we grow the expand children
tot = sum((c.size[axis] + self.spacing for c in self.children)) - \
self.spacing
free = length - tot
if free > 0:
nb_expand = sum(1 for c in self.children if c.expand)
if nb_expand:
for c in self.children:
if not c.expand:
continue
given = free / nb_expand
assert given >= 0
c.size = c.size.set(axis, c.size[axis] + given)
# Finally we also set the positions
pos = self.contents_pos
for c in self.children:
assert c.size[axis] >= c.min_size[axis], \
(c, c.size[axis], c.min_size[axis])
c.pos = pos
pos += Vect(c.size[0] + self.spacing if axis == 0 else 0,
c.size[1] + self.spacing if axis == 1 else 0)
def draw_frame(self, frame, size):
"""Draw a frame. This function is in fact currently very slow !"""
size = asvect(size)
def indexes():
width, height = size
# The corners
yield (0, 0), (0, 0)
yield (width - 8, 0), (24, 0)
yield (0, height - 8), (0, 24)
yield (width - 8, height - 8), (24, 24)
mwidth = width / 2
mheight = height / 2
# The borders
for i in range(1, mwidth / 8):
yield (i * 8, 0), (8, 0)
yield (i * 8, height - 8), (8, 24)
for i in range(mwidth / 8, width / 8 - 1):
yield (i * 8, 0), (16, 0)
yield (i * 8, height - 8), (16, 24)
for i in range(1, mheight / 8):
yield (0, i * 8), (0, 8)
yield (width - 8, i * 8), (24, 8)
for i in range(mheight / 8, height / 8 - 1):
yield (0, i * 8), (0, 16)
yield (width - 8, i * 8), (24, 16)
frame.image.load(self)
surf = frame.image.surf
for dest, src in indexes():
self.move(Vect(*dest))
self.draw_surface(surf, Rect(asvect(src), Vect(8, 8)))
self.umove(Vect(*dest))
c1 = surf.get_at((16, 15))
half_size = Vect(size[0] - 16, size[1] / 2 - 8)
self.move(Vect(8, 8))
self.fill(c1, half_size)
self.umove(Vect(8, 8))
c2 = surf.get_at((16, 16))
self.move(Vect(8, half_size[1] + 8))
self.fill(c2, half_size)
self.umove(Vect(8, half_size[1] + 8))
def resize(self):
axis = self.axis
optimal_size = Vect(0, 0)
min_size = Vect(0, 0)
if self.children:
min_size = min_size.set(
axis, sum(c.min_size[axis] for c in self.children))
min_size = min_size.set(
axis - 1, max(c.min_size[axis - 1] for c in self.children))
optimal_size = optimal_size.set(
axis, sum(c.optimal_size[axis] + self.spacing \
for c in self.children) - self.spacing)
optimal_size = optimal_size.set(
axis - 1, max(c.optimal_size[axis - 1] \
for c in self.children))
optimal_size += Vect(self.border, self.border) * 2
self.min_size = min_size
self.optimal_size = optimal_size
def resize(self):
if not self.children:
return
axis = self.axis
cell_optimal_size = self.cell_optimal_size()
cell_min_size = self.cell_min_size()
nb_per_line = self.nb
# Quite ugly algorithm to compute the number of lines
# I do like this cause I want to avoid importing math
nb_lines = len(self.children) / nb_per_line
if len(self.children) % nb_per_line != 0:
nb_lines += 1
# self.optimal_size = Vect(nb_per_line * cell_optimal_size[0],
# nb_lines * cell_optimal_size[1])
self.min_size = Vect(
nb_per_line * (cell_min_size[0] + self.spacing) - self.spacing,
nb_lines * (cell_min_size[1] + self.spacing) - self.spacing)
self.optimal_size = self.min_size
def __init__(self, parent, style=None, optimal_size=None,
min_size=None, expand=False, item=None,
same_as=None, tags=[], pos=None, **kargs):
"""Create a new Widget
parameters:
- parent The parent widget where we put this widget
- style The style associated with this widget The style is not
compulsory, it is only something that can be used by the
Design
- optimal_size The size requested for the widget
- min_size The minimum size requested for the widget
- expand If true the widget will try to take all the place it
can
- item What is the item associated with this widget (None if
not) This is only used for the style rules
- same_as This can be used to pass an other widget instance
that we know has the same style than this one It is only
used for optimazation when we want to show a huge number of
similar widgets
- tags A list of string, Can be used by the style rules
"""
super(Widget, self).__init__()
self.children = []
self.item = item # Set to None if the object is not a view
# on an item
parent = parent.get_contents_child() if parent else None
assert isinstance(parent, Widget) or parent is None
self.parent = parent
self.style_dict = {}
self.tags = set(tags)
self.fixed_optimal_size = optimal_size is not None
self.__optimal_size = optimal_size or Vect(0, 0)
self.__min_size = min_size
self.expand = expand
self.__organized = False
self.__resized = False
self.__destroyed = False
self.rect = Rect((0, 0), min_size or Vect(0, 0))
self.__pos = pos or Vect(0, 0)
if same_as is None:
self.style = style
else:
self.__style = same_as.__style
self.style_dict = same_as.style_dict
self.fixed_min_size = min_size is not None or \
'min-size' in self.style_dict
self.focused = None
self.clickable = False
self.surface = None # This is used for the widget that
# keep a copy of there surface for
# optimisation
self.store_surface = False # Set to true for the widget to
# keep a memory of it own surface
if parent:
parent.add(self)
def __get_contents_rect(self):
border = self.border
return Rect(self.rect.pos + Vect(border, border),
self.rect.size - Vect(border, border) * 2)
def cell_min_size(self):
return Vect(max(w.min_size[0] for w in self.children),
max(w.min_size[1] for w in self.children))
def cell_optimal_size(self):
return Vect(max(w.optimal_size[0] for w in self.children),
max(w.optimal_size[1] for w in self.children))
def __init__(self, pos=None, mask=None):
self.pos = pos or Vect(0, 0)
self.mask = mask
def __get_min_size(self):
return self.__min_size or self.style_dict.get('min-size', Vect(0, 0))
def draw_label(self, w):
surf = self.surface_from_text(w.font, w.text, length=w.size.x)
self.move(Vect(8, 8))
self.draw_surface(surf)
self.umove(Vect(8, 8))
