src/qweechat/buffer.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Copyright (C) 2011 Sebastien Helleu <flashcode@flashtux.org>
   5 #
   6 # This file is part of QWeeChat, a Qt remote GUI for WeeChat.
   7 #
   8 # QWeeChat is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # QWeeChat is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with QWeeChat.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 #
  23 # Buffers.
  24 #
  25
  26 import qt_compat
  27 QtCore = qt_compat.import_module('QtCore')
  28 QtGui = qt_compat.import_module('QtGui')
  29 from chat import ChatTextEdit
  30 from input import InputLineEdit
  31
  32
  33 class GenericListWidget(QtGui.QListWidget):
  34     """Generic QListWidget with dynamic size."""
  35
  36     def __init__(self, *args):
  37         QtGui.QListWidget.__init__(*(self,) + args)
  38         self.setMaximumWidth(100)
  39         self.setTextElideMode(QtCore.Qt.ElideNone)
  40         self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
  41         self.setFocusPolicy(QtCore.Qt.NoFocus)
  42         pal = self.palette()
  43         pal.setColor(QtGui.QPalette.Highlight, QtGui.QColor('#ddddff'))
  44         pal.setColor(QtGui.QPalette.HighlightedText, QtGui.QColor('black'))
  45         self.setPalette(pal)
  46
  47     def auto_resize(self):
  48         size = self.sizeHintForColumn(0)
  49         if size > 0:
  50             size += 4
  51         self.setMaximumWidth(size)
  52
  53     def clear(self, *args):
  54         """Re-implement clear to set dynamic size after clear."""
  55         QtGui.QListWidget.clear(*(self,) + args)
  56         self.auto_resize()
  57
  58     def addItem(self, *args):
  59         """Re-implement addItem to set dynamic size after add."""
  60         QtGui.QListWidget.addItem(*(self,) + args)
  61         self.auto_resize()
  62
  63     def insertItem(self, *args):
  64         """Re-implement insertItem to set dynamic size after insert."""
  65         QtGui.QListWidget.insertItem(*(self,) + args)
  66         self.auto_resize()
  67
  68
  69 class BufferListWidget(GenericListWidget):
  70     """Widget with list of buffers."""
  71
  72     def __init__(self, *args):
  73         GenericListWidget.__init__(*(self,) + args)
  74
  75     def switch_prev_buffer(self):
  76         if self.currentRow() > 0:
  77             self.setCurrentRow(self.currentRow() - 1)
  78         else:
  79             self.setCurrentRow(self.count() - 1)
  80
  81     def switch_next_buffer(self):
  82         if self.currentRow() < self.count() - 1:
  83             self.setCurrentRow(self.currentRow() + 1)
  84         else:
  85             self.setCurrentRow(0)
  86
  87
  88 class BufferWidget(QtGui.QWidget):
  89     """Widget with (from top to bottom): title, chat + nicklist (optional) + prompt/input."""
  90
  91     def __init__(self, display_nicklist=False):
  92         QtGui.QWidget.__init__(self)
  93
  94         # title
  95         self.title = QtGui.QLineEdit()
  96         self.title.setFocusPolicy(QtCore.Qt.NoFocus)
  97
  98         # splitter with chat + nicklist
  99         self.chat_nicklist = QtGui.QSplitter()
 100         self.chat_nicklist.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
 101         self.chat = ChatTextEdit(debug=False)
 102         self.chat_nicklist.addWidget(self.chat)
 103         self.nicklist = GenericListWidget()
 104         if not display_nicklist:
 105             self.nicklist.setVisible(False)
 106         self.chat_nicklist.addWidget(self.nicklist)
 107
 108         # prompt + input
 109         self.hbox_edit = QtGui.QHBoxLayout()
 110         self.hbox_edit.setContentsMargins(0, 0, 0, 0)
 111         self.hbox_edit.setSpacing(0)
 112         self.input = InputLineEdit(self.chat)
 113         self.hbox_edit.addWidget(self.input)
 114         prompt_input = QtGui.QWidget()
 115         prompt_input.setLayout(self.hbox_edit)
 116
 117         # vbox with title + chat/nicklist + prompt/input
 118         vbox = QtGui.QVBoxLayout()
 119         vbox.setContentsMargins(0, 0, 0, 0)
 120         vbox.setSpacing(0)
 121         vbox.addWidget(self.title)
 122         vbox.addWidget(self.chat_nicklist)
 123         vbox.addWidget(prompt_input)
 124
 125         self.setLayout(vbox)
 126
 127     def set_title(self, title):
 128         """Set buffer title."""
 129         self.title.clear()
 130         if not title is None:
 131             self.title.setText(title)
 132
 133     def set_prompt(self, prompt):
 134         """Set prompt."""
 135         if self.hbox_edit.count() > 1:
 136             self.hbox_edit.takeAt(0)
 137         if not prompt is None:
 138             label = QtGui.QLabel(prompt)
 139             label.setContentsMargins(0, 0, 5, 0)
 140             self.hbox_edit.insertWidget(0, label)
 141
 142
 143 class Buffer(QtCore.QObject):
 144     """A WeeChat buffer."""
 145
 146     bufferInput = qt_compat.Signal(str, str)
 147
 148     def __init__(self, data={}):
 149         QtCore.QObject.__init__(self)
 150         self.data = data
 151         self.nicklist = []
 152         self.widget = BufferWidget(display_nicklist=self.data.get('nicklist', 0))
 153         self.update_title()
 154         self.update_prompt()
 155         self.widget.input.textSent.connect(self.input_text_sent)
 156
 157     def pointer(self):
 158         """Return pointer on buffer."""
 159         return self.data.get('__path', [''])[0]
 160
 161     def update_title(self):
 162         """Update title."""
 163         try:
 164             self.widget.set_title(self.data['title'])
 165         except:
 166             self.widget.set_title(None)
 167
 168     def update_prompt(self):
 169         """Update prompt."""
 170         try:
 171             self.widget.set_prompt(self.data['local_variables']['nick'])
 172         except:
 173             self.widget.set_prompt(None)
 174
 175     def input_text_sent(self, text):
 176         """Called when text has to be sent to buffer."""
 177         if self.data:
 178             self.bufferInput.emit(self.data['full_name'], text)
 179
 180     def add_nick(self, prefix, nick):
 181         """Add a nick to nicklist."""
 182         prefix_color = { '': '', ' ': '', '+': 'yellow' }
 183         self.nicklist.append((prefix, nick))
 184         color = prefix_color.get(prefix, 'green')
 185         if color:
 186             icon = QtGui.QIcon('data/icons/bullet_%s_8x8.png' % color)
 187         else:
 188             pixmap = QtGui.QPixmap(8, 8)
 189             pixmap.fill()
 190             icon = QtGui.QIcon(pixmap)
 191         item = QtGui.QListWidgetItem(icon, nick)
 192         #item.setFont('monospace')
 193         self.widget.nicklist.addItem(item)
 194         self.widget.nicklist.setVisible(True)
 195
 196     def remove_all_nicks(self):
 197         """Remove all nicks from nicklist."""
 198         self.nicklist = []
 199         self.widget.nicklist.clear()