def on_evaluate(self, action):
buffer = self.__active_page.buffer
try:
iter1, iter2 = buffer.get_selection_bounds()
except ValueError:
iter1 = buffer.get_iter_at_mark(buffer.get_insert())
iter1.set_line_offset(0)
iter2 = iter1.copy()
iter2.forward_to_line_end()
# evaluate block, if parenthesis is the only character in line
if sced.is_block_beginning(buffer.get_text(iter1, iter2)):
iter1, iter2 = buffer.find_block(iter1)
buffer.select_range(iter1, iter2)
text = buffer.get_text(iter1, iter2)
self.__lang.evaluate(text)
def find_block(self, where=None):
# if nowhere, select from cursor
if where is None:
iter1 = self.get_iter_at_mark(self.get_insert())
where = iter1.copy()
else:
iter1 = where.copy()
# find first opening bracket
while True:
iter1.set_line_offset(0)
iter2 = iter1.copy()
iter2.forward_to_line_end()
if sced.is_block_beginning(self.get_text(iter1, iter2)):
break
if not iter1.backward_line():
raise RuntimeError, "Block not found!"
iter2 = iter1.copy()
count = 1
while True:
if not iter2.forward_char():
raise RuntimeError, "Block not found!"
if iter2.get_char() == "(":
count += 1
elif iter2.get_char() == ")":
count -= 1
if count == 0:
break
# include closing bracket and the following character
# for proper behaviour of in_range below!
iter2.forward_chars(2)
if where.in_range(iter1, iter2):
return iter1, iter2
else:
raise RuntimeError, "Block not found!"
def __on_view_button_press (self, view, event):
if event.type == gtk.gdk._2BUTTON_PRESS:
x, y = self.view.window_to_buffer_coords(gtk.TEXT_WINDOW_WIDGET,
int(event.x),
int(event.y))
iter1 = self.view.get_iter_at_location(x,y)
iter1.set_line_offset(0)
iter2 = iter1.copy()
iter2.forward_to_line_end()
if sced.is_block_beginning(self.buffer.get_text(iter1, iter2)):
try:
start, end = self.buffer.find_block(iter1)
self.buffer.select_range(start, end)
finally:
# although block not available, return True anyway
return True
return False
