def position_coords(self,maxcol,pos):
"""
Return (x,y) coordinates for an offset into self.edit_text.
"""
p = pos + len(self.caption)
trans = self.get_line_translation(maxcol)
x,y = calc_coords(self.get_text()[0], trans,p)
return x,y
def position_coords(self, maxcol, pos):
"""
Return (x,y) coordinates for an offset into self.edit_text.
"""
p = pos + len(self.caption)
trans = self.get_line_translation(maxcol)
x, y = calc_coords(self.get_text()[0], trans, p)
return x, y
def get_cursor_coords(self, size):
if self._cursor_position > len(self.text):
return None
(maxcol, ) = size
trans = self.get_line_translation(maxcol)
x, y = calc_coords(self.text, trans, self._cursor_position)
if maxcol <= x:
return None
return x, y
def get_cursor_coords(self, size):
"""
Return the position of the cursor if visible. This method
is required for widgets that display a cursor.
"""
if self._cursor_position > len(self.text):
return None
# find out where the cursor will be displayed based on
# the text layout
(maxcol,) = size
trans = self.get_line_translation(maxcol)
x, y = calc_coords(self.text, trans, self._cursor_position)
return x, y
def get_cursor_coords(self, size):
"""
Return the position of the cursor if visible. This method
is required for widgets that display a cursor.
"""
if self._cursor_position > len(self.text):
return None
# find out where the cursor will be displayed based on
# the text layout
(maxcol, ) = size
trans = self.get_line_translation(maxcol)
x, y = calc_coords(self.text, trans, self._cursor_position)
return x, y
def get_line_translation(self, maxcol, ta=None):
trans = Text.get_line_translation(self, maxcol, ta)
if not self._shift_view_to_cursor:
return trans
text, ignore = self.get_text()
x, y = calc_coords(text, trans, self.edit_pos + len(self.caption))
if x < 0:
return (trans[:y] + [shift_line(trans[y], -x)] + trans[y + 1:])
elif x >= maxcol:
return (trans[:y] + [shift_line(trans[y], -(x - maxcol + 1))] +
trans[y + 1:])
return trans
def get_line_translation(self, maxcol, ta=None ):
trans = Text.get_line_translation(self, maxcol, ta)
if not self._shift_view_to_cursor:
return trans
text, ignore = self.get_text()
x,y = calc_coords( text, trans,
self.edit_pos + len(self.caption) )
if x < 0:
return ( trans[:y]
+ [shift_line(trans[y],-x)]
+ trans[y+1:] )
elif x >= maxcol:
return ( trans[:y]
+ [shift_line(trans[y],-(x-maxcol+1))]
+ trans[y+1:] )
return trans
def get_cursor_coords(self, size):
"""
Return the (*x*, *y*) coordinates of cursor within widget.
>>> Edit("? ","yes").get_cursor_coords((10,))
(5, 0)
"""
from there import syslogprint as LOG
if not self._focusable:
return None
(maxcol, ) = size
LOG(len(self.get_text()[0]))
trans = self.get_line_translation(maxcol)
current_len = 0
k = 0
for item in self.markup:
if isinstance(item, Link):
if k == self.link_index:
break
else:
k += 1
current_len += len(item.text)
else:
if isinstance(item, tuple):
assert len(item) == 2
item = item[1]
if isinstance(item, list):
for it in item:
assert isinstance(it, str)
current_len += sum([len(x) for x in item])
elif isinstance(item, str):
current_len += len(item)
else:
assert False, (repr(item), repr(self.markup))
elif isinstance(item, str):
current_len += len(item)
LOG("FOCUS at pos", current_len)
x, y = calc_coords(self.get_text()[0], trans, current_len)
return (x, y)
def test(self):
for t, answer in self.mytests:
for pos, a in zip(self.pos_list, answer):
r = text_layout.calc_coords(self.text, t, pos)
assert r == a, "%r got: %r expected: %r" % (t, r, a)
def get_cursor_coords(self, size):
p = self.cbuf.cursor + len(self.leader)
trans = self._w.get_line_translation(size[0])
x, y = calc_coords(self._w.get_text()[0], trans, p)
return x, y
def test(self):
for t, answer in self.mytests:
for pos, a in zip(self.pos_list, answer):
r = text_layout.calc_coords(self.text, t, pos)
assert r == a, "%r got: %r expected: %r" % (t, r, a)
