def _carets(inner, outer, direction):
if direction == 'x':
x0 = inner.left.value
x1 = inner.right.value
y0 = outer.top.value
y1 = outer.bottom.value
yield rectangle(vec2(x0,y0), vec2(0,y1-y0)).offset((1,1,1,1))
yield rectangle(vec2(x1,y0), vec2(0,y1-y0)).offset((1,1,1,1))
else:
x0 = outer.left.value
x1 = outer.right.value
y0 = inner.top.value
y1 = inner.bottom.value
yield rectangle(vec2(x0,y0), vec2(x1-x0,0)).offset((1,1,1,1))
yield rectangle(vec2(x0,y1), vec2(x1-x0,0)).offset((1,1,1,1))
def selection(self, start, stop, base=0):
if start <= base + len(self.source) and base <= stop:
start = clamp(0, len(self.source), start - base)
stop = clamp(0, len(self.source), stop - base)
(x0, y0), (w0, h0) = self.surface.selection(start, stop)
(x1, y1), (w1, h1) = self.box.value
return rectangle(vec2(x0, y1), vec2(w0, h1))
def selection(self, head, tail):
head = clamp(0, len(self.offsets) - 1, head)
tail = clamp(0, len(self.offsets) - 1, tail)
start = min(head, tail)
stop = max(head, tail)
base = self.geometry.base
size = self.geometry.size
x0 = self.offsets[start]
x1 = self.offsets[stop]
return rectangle(base + vec2(x0-1, -1), vec2(x1 - x0 + 1, size.y+1))
def _selection(inner, outer, direction, start, stop, base=0):
if start <= base + 1 and base <= stop:
start = clamp(0, 1, start - base)
stop = clamp(0, 1, stop - base)
if direction == 'x':
x0 = (inner.left.value, inner.right.value)[start]
x1 = (inner.left.value, inner.right.value)[stop]
y0 = outer.top.value
y1 = outer.bottom.value
else:
x0 = outer.left.value
x1 = outer.right.value
y0 = (inner.top.value, inner.bottom.value)[start]
y1 = (inner.top.value, inner.bottom.value)[stop]
return rectangle(vec2(x0,y0), vec2(x1-x0, y1-y0)).offset((1,1,1,1))
def __call__(self, sampler, geometry=None):
if geometry == None and hasattr(sampler, "geometry"):
geometry = sampler.geometry
elif geometry == None:
geometry = rectangle(vec2(0, 0), self.size)
if hasattr(geometry, "valid") and not geometry.valid():
return
if isinstance(sampler, rgba):
(x, y), (w, h) = geometry
self.pys.fill(tuple(sampler), (x, y, w, h))
elif hasattr(sampler, "blit_duck"):
sampler.blit_duck(self.pys, geometry, 0)
elif hasattr(sampler, "comm_duck"):
sampler.comm_duck(self, geometry)
else:
raise Exception("unknown draw command %r, %r", (sampler, geometry))
return self
def value(self):
left, top, right, bottom = self
p0 = vec2(left.value, top.value)
p1 = vec2(right.value, bottom.value)
return rectangle(p0, p1-p0)
def caret(self, index):
index = clamp(0, len(self.offsets) - 1, index)
base = self.geometry.base
size = self.geometry.size
y = max(size.y, 8)
return rectangle(base + vec2(self.offsets[index]-1, -1), vec2(1, y+1))
def carets(self):
base = self.geometry.base
size = self.geometry.size
for offset in self.offsets:
yield rectangle(base + vec2(offset-1, -1), vec2(1, size.y+1))
def __init__(self, pys, offsets, baseline, mathline):
Surface.__init__(self, pys)
self.offsets = offsets
self.baseline = baseline
self.mathline = mathline
self.geometry = rectangle(vec2(0, 0), self.size)
def label_carets(self):
(x1, y1), (w1, h1) = self.outer.value
for (x0, y0), (w0, h0) in self.surface.carets():
yield rectangle(vec2(x0, y1), vec2(w0, h1))
