def _C_displist(self): # compute method for self.displist
### WARNING: this doesn't recycle displists when instances are remade at same ipath (but it probably should),
# and it never frees them. To recycle them, just change it to use transient_state.
# When we start using more than one GL Context which share display lists, we'll have to revise this somehow.
#
### NOTE: usage tracking should turn up nothing -- we use nothing
"""
allocate a new display list name (a 32-bit int) in our GL context
"""
if self.displist_disabled(
): # revised this cond (true more often), 070215
printfyi(
"bug: why does .displist get requested in a disabled DisplayListChunk??"
) # (i never saw this)
return 0
self.glpane.makeCurrent(
) # not sure when this compute method might get called, so make sure our GL context is current
displist = self.glpane.glGenLists(
1
) # allocate the display list name [#k does this do makeCurrent??]
# make sure it's a nonzero int or long
assert type(displist) in (type(1), type(1L))
assert displist, "error: allocated displist was zero"
if self._debug_print_name:
print "%s: allocated display list name %r" % (
self._debug_print_name, displist)
return displist
def draw(self):
guy = self.delegate
print "guy = %r" % (guy, )
## attrs = self.args[1:]
attrs = self.attrs
if type(attrs) == type("kluge"):
attrs = [attrs]
printnim("need to unstub ArgList in DebugPrintAttrs")
else:
printfyi("seems like ArgList may have worked in DebugPrintAttrs")
if 'ipath' not in attrs:
attrs.append('ipath') #070118; not sure it's good
for name in attrs:
print "guy.%s is" % name, getattr(guy, name, "<unassigned>")
return self.drawkid(guy) ## return guy.draw()
def draw(self):
guy = self.delegate
print "guy = %r" % (guy, )
## attrs = self.args[1:]
attrs = self.attrs
if type(attrs) == type("kluge"):
attrs = [attrs]
printnim("need to unstub ArgList in DebugPrintAttrs")
else:
printfyi("seems like ArgList may have worked in DebugPrintAttrs")
if 'ipath' not in attrs:
attrs.append('ipath')#070118; not sure it's good
for name in attrs:
print "guy.%s is" % name, getattr(guy,name,"<unassigned>")
return self.drawkid( guy) ## return guy.draw()
def _C_displist(self): # compute method for self.displist
### WARNING: this doesn't recycle displists when instances are remade at same ipath (but it probably should),
# and it never frees them. To recycle them, just change it to use transient_state.
# When we start using more than one GL Context which share display lists, we'll have to revise this somehow.
#
### NOTE: usage tracking should turn up nothing -- we use nothing
"allocate a new display list name (a 32-bit int) in our GL context"
if self.displist_disabled(): # revised this cond (true more often), 070215
printfyi("bug: why does .displist get requested in a disabled DisplayListChunk??") # (i never saw this)
return 0
self.glpane.makeCurrent() # not sure when this compute method might get called, so make sure our GL context is current
displist = self.glpane.glGenLists(1) # allocate the display list name [#k does this do makeCurrent??]
# make sure it's a nonzero int or long
assert type(displist) in (type(1), type(1L))
assert displist, "error: allocated displist was zero"
if self._debug_print_name:
print "%s: allocated display list name %r" % (self._debug_print_name, displist)
return displist
class Rect(Widget2D): # finally working as of 061106
"""
Rect(width, height, color) renders as a filled x/y-aligned rectangle
of the given dimensions and color, with the origin on bottomleft,
and a layout box equal to its size (no margin).
If color is not given, it will be gray [#e should be a default attrval from env].
If height is not given, it will be a square (even if width is a formula and/or random).
See also: RectFrame, ...
"""
# args
width = Arg(Width, 5) # changed 10 to 5 late on 061109
# Note: Widget2D defines width & height, making this seem circular, but it's ok (see comment in RectFrame)
height = Arg(Width, width)
color = ArgOrOption(Color, gray)
# formulas
if 0:
# use this to test whatever scheme we use to detect this error, once we put one in [disabled 061105 until other things work]
bright = width ######@@@@@ PROBLEM: in ns, width and bright will have same value, no ordering possible -- how can it tell
# which one should be used to name the arg? It can't, so it'll need to detect this error and make you use _self. prefix.
# (in theory, if it could scan source code, or turn on debugging during class imports, it could figure this out...
# or you could put the argname in Arg or have an _args decl... but I think just using _self.attr in these cases is simpler.)
printnim("make sure it complains about bright and width here")
btop = height
else:
if debug_flags.atom_debug:
printfyi(
"not yet trying to trigger the error warning for 'bright = width'"
) # (since it's nim, even as of 061114 i think)
bright = _self.width
btop = _self.height
# bbottom and bleft are not needed (same as the defaults in Widget2D), except that we use them in the formula for center;
# it would be more correct to say bleft = _self.bleft, but less efficient I think (not much), and hasn't been tested (should be #e).
bbottom = 0
bleft = 0
## center = V_expr( (bright - bleft) / 2.0, (btop - bbottom) / 2.0, 0.0) #070211 #e someday this could be deduced from lbox, generally
###e should move this def into Spacer, RectFrame, etc -- or arrange to deduce it from lbox on any Widget2D, somehow...
# [070227] hmm, can't it just be moved from here into Widget2D itself? Yes, that works!
def draw(self):
glDisable(GL_CULL_FACE)
draw_filled_rect(
ORIGIN, DX * self.bright, DY * self.btop, self.fix_color(
self.color)) #e move fix_color into draw_filled_rect?
glEnable(GL_CULL_FACE)
pass
def viewerfunc(x):
printfyi("viewerfunc is being used but is a stub")
return x
def viewerfunc(x):
printfyi("viewerfunc is being used but is a stub")
return x