63 lines
2 KiB
Python
63 lines
2 KiB
Python
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# Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
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#
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# This file is part of Poezio.
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#
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# Poezio is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# Poezio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Poezio. If not, see <http://www.gnu.org/licenses/>.
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from message import Message
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from datetime import datetime
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import theme
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class TextBuffer(object):
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"""
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This class just keep trace of messages, in a list with various
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informations and attributes.
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"""
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def __init__(self):
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self.messages = [] # Message objects
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self.pos = 0
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def add_message(self, txt, time=None, nickname=None, colorized=False):
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color = theme.COLOR_NORMAL_TEXT
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user = None
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time = time or datetime.now()
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if self.pos: # avoid scrolling of one line when one line is received
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self.pos += 1
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self.messages.append(Message(txt, time, nickname, user, color, colorized))
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def remove_line_separator(self):
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"""
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Remove the line separator
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"""
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if None in self.messages:
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self.messages.remove(None)
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def add_line_separator(self):
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"""
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add a line separator at the end of messages list
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"""
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if None not in self.messages:
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self.messages.append(None)
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def scroll_up(self, dist=14):
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# The pos can grow a lot over the top of the number of
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# available lines, it will be fixed on the next refresh of the
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# screen anyway
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self.pos += dist
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def scroll_down(self, dist=14):
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self.pos -= dist
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if self.pos <= 0:
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self.pos = 0
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