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improve performances a little more. And avoid a very rare crash, too

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louiz@4325f9fc-e183-4c21-96ce-0ab188b42d13 2010-12-21 06:28:35 +00:00
parent ac3e0f7099
commit dc7910570c
1 changed files with 15 additions and 21 deletions
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36
src/windows.py
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@ -405,10 +405,11 @@ class TextWin(Win):
# on resize, we rebuild all the messages
def scroll_up(self, dist=14):
# The pos can grow a lot over the top of the number of
# available lines, it will be fixed on the next refresh of the
# screen anyway
self.pos += dist
if self.pos + self.height > len(self.built_lines):
self.pos = len(self.built_lines) - self.height
if self.pos < 0:
self.pos = 0
def scroll_down(self, dist=14):
self.pos -= dist
@ -502,31 +503,24 @@ class TextWin(Win):
"""
if self.height <= 0:
return
if self.pos != 0:
lines = self.built_lines[-self.height-self.pos:-self.pos]
else:
lines = self.built_lines[-self.height:]
self._win.move(0, 0)
with g_lock:
self._win.erase()
# lines = self.build_lines_from_messages(room.messages)
lines = self.built_lines
if self.pos + self.height > len(lines):
self.pos = len(lines) - self.height
if self.pos < 0:
self.pos = 0
if self.pos != 0:
lines = lines[-self.height-self.pos:-self.pos]
else:
lines = lines[-self.height:]
y = 0
for line in lines:
self._win.move(y, 0)
if line == None:
for y, line in enumerate(lines):
if line is None:
self.write_line_separator()
y += 1
continue
if line.time is not None:
if line.time:
self.write_time(line.time)
if line.nickname is not None:
if line.nickname:
self.write_nickname(line.nickname, line.nickname_color)
self.write_text(y, line.text_offset, line.text, line.text_color, line.colorized)
y += 1
if y != self.height - 1:
self.addstr('\n')
self._refresh()
def write_line_separator(self):