def feed_mousedown(
self, mouse_absolute
): #returns if this ui expression was selected by the click
mouse_rel = (mouse_absolute[0] - self.rect.topleft[0],
mouse_absolute[1] - self.rect.topleft[1])
if not self.rect.collidepoint(mouse_absolute):
self.is_active = False
return False
xtstr.clearCursor(self.exp)
smallestDist = 99999999999999999
smallestExp = None
xcoorCenter = -1
for hb in self.surf.hitboxes:
[irect, orect], hbExp, op_depth = hb
acceptable_hitbox = (type(hbExp) == xp.NoOpExpression)
''' this cannot be implemented yet
if type(hbExp) == xp.Expression:
if hbExp.op.strRep == "/":
acceptable_hitbox = True
'''
if acceptable_hitbox:
dpr = distPointRect(mouse_rel, irect)
if dpr < smallestDist:
smallestDist = dpr
smallestExp = hbExp
xcoorCenter = irect.centerx
if not smallestExp == None:
smallestExp.cursor = True
if mouse_rel[0] < xcoorCenter:
smallestExp.cursor_idx = 0
else:
smallestExp.cursor_idx = len(
smallestExp.strRep
) #this needs to become more sophisticated later
self.text = xtstr.expToStr(self.exp)
self.index = self.text.index("|")
self.text = self.text.replace("|", "")
self.is_active = True
return True
def raise_to(self, ponent):
newexp = xp.Expression('^', [copy.copy(self.exp), ponent])
self.exp = newexp
self.exp.assign_parents()
self.text = xtstr.expToStr(self.exp)
self.text = self.text.replace("|", "")
def sub_from_this(self, negative):
newexp = xp.Expression('-', [copy.copy(self.exp), negative])
self.exp = newexp
self.exp.assign_parents()
self.text = xtstr.expToStr(self.exp)
self.text = self.text.replace("|", "")
def sub_this_from(self, positive):
newexp = xp.Expression('-', [positive, copy.copy(self.exp)])
self.exp = newexp
self.exp.assign_parents()
self.text = xtstr.expToStr(self.exp)
self.text = self.text.replace("|", "")
def add_to(self, toadd):
newexp = xp.Expression('+', [copy.copy(self.exp), toadd])
self.exp = newexp
self.exp.assign_parents()
self.text = xtstr.expToStr(self.exp)
self.text = self.text.replace("|", "")
def mult_by(self, factor):
newexp = xp.Expression('\u00B7', [copy.copy(self.exp), factor])
self.exp = newexp
self.exp.assign_parents()
self.text = xtstr.expToStr(self.exp)
self.text = self.text.replace("|", "")