|
|
# encoding: utf-8
|
|
|
"""
|
|
|
A Wx widget to act as a console and input commands.
|
|
|
|
|
|
This widget deals with prompts and provides an edit buffer
|
|
|
restricted to after the last prompt.
|
|
|
"""
|
|
|
|
|
|
__docformat__ = "restructuredtext en"
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is
|
|
|
# in the file COPYING, distributed as part of this software.
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
import wx
|
|
|
import wx.stc as stc
|
|
|
|
|
|
from wx.py import editwindow
|
|
|
|
|
|
import re
|
|
|
|
|
|
# FIXME: Need to provide an API for non user-generated display on the
|
|
|
# screen: this should not be editable by the user.
|
|
|
|
|
|
if wx.Platform == '__WXMSW__':
|
|
|
_DEFAULT_SIZE = 80
|
|
|
else:
|
|
|
_DEFAULT_SIZE = 10
|
|
|
|
|
|
_DEFAULT_STYLE = {
|
|
|
'stdout' : 'fore:#0000FF',
|
|
|
'stderr' : 'fore:#007f00',
|
|
|
'trace' : 'fore:#FF0000',
|
|
|
|
|
|
'default' : 'size:%d' % _DEFAULT_SIZE,
|
|
|
'bracegood' : 'fore:#FFFFFF,back:#0000FF,bold',
|
|
|
'bracebad' : 'fore:#000000,back:#FF0000,bold',
|
|
|
|
|
|
# properties for the various Python lexer styles
|
|
|
'comment' : 'fore:#007F00',
|
|
|
'number' : 'fore:#007F7F',
|
|
|
'string' : 'fore:#7F007F,italic',
|
|
|
'char' : 'fore:#7F007F,italic',
|
|
|
'keyword' : 'fore:#00007F,bold',
|
|
|
'triple' : 'fore:#7F0000',
|
|
|
'tripledouble' : 'fore:#7F0000',
|
|
|
'class' : 'fore:#0000FF,bold,underline',
|
|
|
'def' : 'fore:#007F7F,bold',
|
|
|
'operator' : 'bold'
|
|
|
}
|
|
|
|
|
|
# new style numbers
|
|
|
_STDOUT_STYLE = 15
|
|
|
_STDERR_STYLE = 16
|
|
|
_TRACE_STYLE = 17
|
|
|
|
|
|
|
|
|
# system colors
|
|
|
#SYS_COLOUR_BACKGROUND = wx.SystemSettings.GetColour(wx.SYS_COLOUR_BACKGROUND)
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# The console widget class
|
|
|
#-------------------------------------------------------------------------------
|
|
|
class ConsoleWidget(editwindow.EditWindow):
|
|
|
""" Specialized styled text control view for console-like workflow.
|
|
|
|
|
|
This widget is mainly interested in dealing with the prompt and
|
|
|
keeping the cursor inside the editing line.
|
|
|
"""
|
|
|
|
|
|
title = 'Console'
|
|
|
|
|
|
style = _DEFAULT_STYLE.copy()
|
|
|
|
|
|
# Translation table from ANSI escape sequences to color. Override
|
|
|
# this to specify your colors.
|
|
|
ANSI_STYLES = {'0;30': [0, 'BLACK'], '0;31': [1, 'RED'],
|
|
|
'0;32': [2, 'GREEN'], '0;33': [3, 'BROWN'],
|
|
|
'0;34': [4, 'BLUE'], '0;35': [5, 'PURPLE'],
|
|
|
'0;36': [6, 'CYAN'], '0;37': [7, 'LIGHT GREY'],
|
|
|
'1;30': [8, 'DARK GREY'], '1;31': [9, 'RED'],
|
|
|
'1;32': [10, 'SEA GREEN'], '1;33': [11, 'YELLOW'],
|
|
|
'1;34': [12, 'LIGHT BLUE'], '1;35':
|
|
|
[13, 'MEDIUM VIOLET RED'],
|
|
|
'1;36': [14, 'LIGHT STEEL BLUE'], '1;37': [15, 'YELLOW']}
|
|
|
|
|
|
# The color of the carret (call _apply_style() after setting)
|
|
|
carret_color = 'BLACK'
|
|
|
|
|
|
|
|
|
#--------------------------------------------------------------------------
|
|
|
# Public API
|
|
|
#--------------------------------------------------------------------------
|
|
|
|
|
|
def __init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition,
|
|
|
size=wx.DefaultSize, style=0, ):
|
|
|
editwindow.EditWindow.__init__(self, parent, id, pos, size, style)
|
|
|
self.configure_scintilla()
|
|
|
|
|
|
# FIXME: we need to retrieve this from the interpreter.
|
|
|
self.prompt = \
|
|
|
'\n\x01\x1b[0;34m\x02In [\x01\x1b[1;34m\x02%i\x01\x1b[0;34m\x02]: \x01\x1b[0m\x02'
|
|
|
self.new_prompt(self.prompt % 1)
|
|
|
|
|
|
self.Bind(wx.EVT_KEY_DOWN, self._on_key_down)
|
|
|
self.Bind(wx.EVT_KEY_UP, self._on_key_up)
|
|
|
|
|
|
|
|
|
def configure_scintilla(self):
|
|
|
# Ctrl"+" or Ctrl "-" can be used to zoomin/zoomout the text inside
|
|
|
# the widget
|
|
|
self.CmdKeyAssign(ord('+'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN)
|
|
|
self.CmdKeyAssign(ord('-'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT)
|
|
|
# Also allow Ctrl Shift "=" for poor non US keyboard users.
|
|
|
self.CmdKeyAssign(ord('='), stc.STC_SCMOD_CTRL|stc.STC_SCMOD_SHIFT,
|
|
|
stc.STC_CMD_ZOOMIN)
|
|
|
|
|
|
#self.CmdKeyAssign(stc.STC_KEY_PRIOR, stc.STC_SCMOD_SHIFT,
|
|
|
# stc.STC_CMD_PAGEUP)
|
|
|
|
|
|
#self.CmdKeyAssign(stc.STC_KEY_NEXT, stc.STC_SCMOD_SHIFT,
|
|
|
# stc.STC_CMD_PAGEDOWN)
|
|
|
|
|
|
# Keys: we need to clear some of the keys the that don't play
|
|
|
# well with a console.
|
|
|
self.CmdKeyClear(ord('D'), stc.STC_SCMOD_CTRL)
|
|
|
self.CmdKeyClear(ord('L'), stc.STC_SCMOD_CTRL)
|
|
|
self.CmdKeyClear(ord('T'), stc.STC_SCMOD_CTRL)
|
|
|
|
|
|
|
|
|
self.SetEOLMode(stc.STC_EOL_CRLF)
|
|
|
self.SetWrapMode(stc.STC_WRAP_CHAR)
|
|
|
self.SetWrapMode(stc.STC_WRAP_WORD)
|
|
|
self.SetBufferedDraw(True)
|
|
|
self.SetUseAntiAliasing(True)
|
|
|
self.SetLayoutCache(stc.STC_CACHE_PAGE)
|
|
|
self.SetUndoCollection(False)
|
|
|
self.SetUseTabs(True)
|
|
|
self.SetIndent(4)
|
|
|
self.SetTabWidth(4)
|
|
|
|
|
|
self.EnsureCaretVisible()
|
|
|
# we don't want scintilla's autocompletion to choose
|
|
|
# automaticaly out of a single choice list, as we pop it up
|
|
|
# automaticaly
|
|
|
self.AutoCompSetChooseSingle(False)
|
|
|
self.AutoCompSetMaxHeight(10)
|
|
|
|
|
|
self.SetMargins(3, 3) #text is moved away from border with 3px
|
|
|
# Suppressing Scintilla margins
|
|
|
self.SetMarginWidth(0, 0)
|
|
|
self.SetMarginWidth(1, 0)
|
|
|
self.SetMarginWidth(2, 0)
|
|
|
|
|
|
self._apply_style()
|
|
|
|
|
|
# Xterm escape sequences
|
|
|
self.color_pat = re.compile('\x01?\x1b\[(.*?)m\x02?')
|
|
|
self.title_pat = re.compile('\x1b]0;(.*?)\x07')
|
|
|
|
|
|
#self.SetEdgeMode(stc.STC_EDGE_LINE)
|
|
|
#self.SetEdgeColumn(80)
|
|
|
|
|
|
# styles
|
|
|
p = self.style
|
|
|
self.StyleSetSpec(stc.STC_STYLE_DEFAULT, p['default'])
|
|
|
self.StyleClearAll()
|
|
|
self.StyleSetSpec(_STDOUT_STYLE, p['stdout'])
|
|
|
self.StyleSetSpec(_STDERR_STYLE, p['stderr'])
|
|
|
self.StyleSetSpec(_TRACE_STYLE, p['trace'])
|
|
|
|
|
|
self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT, p['bracegood'])
|
|
|
self.StyleSetSpec(stc.STC_STYLE_BRACEBAD, p['bracebad'])
|
|
|
self.StyleSetSpec(stc.STC_P_COMMENTLINE, p['comment'])
|
|
|
self.StyleSetSpec(stc.STC_P_NUMBER, p['number'])
|
|
|
self.StyleSetSpec(stc.STC_P_STRING, p['string'])
|
|
|
self.StyleSetSpec(stc.STC_P_CHARACTER, p['char'])
|
|
|
self.StyleSetSpec(stc.STC_P_WORD, p['keyword'])
|
|
|
self.StyleSetSpec(stc.STC_P_WORD2, p['keyword'])
|
|
|
self.StyleSetSpec(stc.STC_P_TRIPLE, p['triple'])
|
|
|
self.StyleSetSpec(stc.STC_P_TRIPLEDOUBLE, p['tripledouble'])
|
|
|
self.StyleSetSpec(stc.STC_P_CLASSNAME, p['class'])
|
|
|
self.StyleSetSpec(stc.STC_P_DEFNAME, p['def'])
|
|
|
self.StyleSetSpec(stc.STC_P_OPERATOR, p['operator'])
|
|
|
self.StyleSetSpec(stc.STC_P_COMMENTBLOCK, p['comment'])
|
|
|
|
|
|
|
|
|
def write(self, text):
|
|
|
""" Write given text to buffer, while translating the ansi escape
|
|
|
sequences.
|
|
|
"""
|
|
|
title = self.title_pat.split(text)
|
|
|
if len(title)>0:
|
|
|
self.title = title[-1]
|
|
|
|
|
|
text = self.title_pat.sub('', text)
|
|
|
segments = self.color_pat.split(text)
|
|
|
segment = segments.pop(0)
|
|
|
self.StartStyling(self.GetLength(), 0xFF)
|
|
|
self.AppendText(segment)
|
|
|
|
|
|
if segments:
|
|
|
ansi_tags = self.color_pat.findall(text)
|
|
|
|
|
|
for tag in ansi_tags:
|
|
|
i = segments.index(tag)
|
|
|
self.StartStyling(self.GetLength(), 0xFF)
|
|
|
self.AppendText(segments[i+1])
|
|
|
|
|
|
if tag != '0':
|
|
|
self.SetStyling(len(segments[i+1]),
|
|
|
self.ANSI_STYLES[tag][0])
|
|
|
|
|
|
segments.pop(i)
|
|
|
|
|
|
self.GotoPos(self.GetLength())
|
|
|
wx.Yield()
|
|
|
|
|
|
|
|
|
def new_prompt(self, prompt):
|
|
|
""" Prints a prompt at start of line, and move the start of the
|
|
|
current block there.
|
|
|
|
|
|
The prompt can be give with ascii escape sequences.
|
|
|
"""
|
|
|
self.write(prompt)
|
|
|
# now we update our cursor giving end of prompt
|
|
|
self.current_prompt_pos = self.GetLength()
|
|
|
self.current_prompt_line = self.GetCurrentLine()
|
|
|
wx.Yield()
|
|
|
self.EnsureCaretVisible()
|
|
|
|
|
|
|
|
|
def replace_current_edit_buffer(self, text):
|
|
|
""" Replace currently entered command line with given text.
|
|
|
"""
|
|
|
self.SetSelection(self.current_prompt_pos, self.GetLength())
|
|
|
self.ReplaceSelection(text)
|
|
|
self.GotoPos(self.GetLength())
|
|
|
|
|
|
|
|
|
def get_current_edit_buffer(self):
|
|
|
""" Returns the text in current edit buffer.
|
|
|
"""
|
|
|
return self.GetTextRange(self.current_prompt_pos,
|
|
|
self.GetLength())
|
|
|
|
|
|
|
|
|
#--------------------------------------------------------------------------
|
|
|
# Private API
|
|
|
#--------------------------------------------------------------------------
|
|
|
|
|
|
def _apply_style(self):
|
|
|
""" Applies the colors for the different text elements and the
|
|
|
carret.
|
|
|
"""
|
|
|
self.SetCaretForeground(self.carret_color)
|
|
|
|
|
|
#self.StyleClearAll()
|
|
|
self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT,
|
|
|
"fore:#FF0000,back:#0000FF,bold")
|
|
|
self.StyleSetSpec(stc.STC_STYLE_BRACEBAD,
|
|
|
"fore:#000000,back:#FF0000,bold")
|
|
|
|
|
|
for style in self.ANSI_STYLES.values():
|
|
|
self.StyleSetSpec(style[0], "bold,fore:%s" % style[1])
|
|
|
|
|
|
|
|
|
def write_completion(self, possibilities):
|
|
|
# FIXME: This is non Wx specific and needs to be moved into
|
|
|
# the base class.
|
|
|
current_buffer = self.get_current_edit_buffer()
|
|
|
|
|
|
self.write('\n')
|
|
|
max_len = len(max(possibilities, key=len)) + 1
|
|
|
|
|
|
#now we check how much symbol we can put on a line...
|
|
|
chars_per_line = self.GetSize()[0]/self.GetCharWidth()
|
|
|
symbols_per_line = max(1, chars_per_line/max_len)
|
|
|
|
|
|
pos = 1
|
|
|
buf = []
|
|
|
for symbol in possibilities:
|
|
|
if pos < symbols_per_line:
|
|
|
buf.append(symbol.ljust(max_len))
|
|
|
pos += 1
|
|
|
else:
|
|
|
buf.append(symbol.rstrip() +'\n')
|
|
|
pos = 1
|
|
|
self.write(''.join(buf))
|
|
|
self.new_prompt(self.prompt % (self.last_result['number'] + 1))
|
|
|
self.replace_current_edit_buffer(current_buffer)
|
|
|
|
|
|
|
|
|
def pop_completion(self, possibilities, offset=0):
|
|
|
""" Pops up an autocompletion menu. Offset is the offset
|
|
|
in characters of the position at which the menu should
|
|
|
appear, relativ to the cursor.
|
|
|
"""
|
|
|
self.AutoCompSetIgnoreCase(False)
|
|
|
self.AutoCompSetAutoHide(False)
|
|
|
self.AutoCompSetMaxHeight(len(possibilities))
|
|
|
self.AutoCompShow(offset, " ".join(possibilities))
|
|
|
|
|
|
|
|
|
def scroll_to_bottom(self):
|
|
|
maxrange = self.GetScrollRange(wx.VERTICAL)
|
|
|
self.ScrollLines(maxrange)
|
|
|
|
|
|
|
|
|
def _on_enter(self):
|
|
|
""" Called when the return key is hit.
|
|
|
"""
|
|
|
pass
|
|
|
|
|
|
|
|
|
def _on_key_down(self, event, skip=True):
|
|
|
""" Key press callback used for correcting behavior for
|
|
|
console-like interfaces: the cursor is constraint to be after
|
|
|
the last prompt.
|
|
|
|
|
|
Return True if event as been catched.
|
|
|
"""
|
|
|
catched = True
|
|
|
# Intercept some specific keys.
|
|
|
if event.KeyCode == ord('L') and event.ControlDown() :
|
|
|
self.scroll_to_bottom()
|
|
|
elif event.KeyCode == ord('K') and event.ControlDown() :
|
|
|
self.replace_current_edit_buffer('')
|
|
|
elif event.KeyCode == wx.WXK_PAGEUP and event.ShiftDown():
|
|
|
self.ScrollPages(-1)
|
|
|
elif event.KeyCode == wx.WXK_PAGEDOWN and event.ShiftDown():
|
|
|
self.ScrollPages(1)
|
|
|
elif event.KeyCode == wx.WXK_UP and event.ShiftDown():
|
|
|
self.ScrollLines(-1)
|
|
|
elif event.KeyCode == wx.WXK_DOWN and event.ShiftDown():
|
|
|
self.ScrollLinees(1)
|
|
|
else:
|
|
|
catched = False
|
|
|
|
|
|
if self.AutoCompActive():
|
|
|
event.Skip()
|
|
|
else:
|
|
|
if event.KeyCode in (13, wx.WXK_NUMPAD_ENTER) and \
|
|
|
event.Modifiers in (wx.MOD_NONE, wx.MOD_WIN):
|
|
|
catched = True
|
|
|
self.CallTipCancel()
|
|
|
self.write('\n')
|
|
|
self._on_enter()
|
|
|
|
|
|
elif event.KeyCode == wx.WXK_HOME:
|
|
|
if event.Modifiers in (wx.MOD_NONE, wx.MOD_WIN):
|
|
|
self.GotoPos(self.current_prompt_pos)
|
|
|
catched = True
|
|
|
|
|
|
elif event.Modifiers in (wx.MOD_SHIFT, wx.MOD_WIN) :
|
|
|
# FIXME: This behavior is not ideal: if the selection
|
|
|
# is already started, it will jump.
|
|
|
self.SetSelectionStart(self.current_prompt_pos)
|
|
|
self.SetSelectionEnd(self.GetCurrentPos())
|
|
|
catched = True
|
|
|
|
|
|
elif event.KeyCode == wx.WXK_UP:
|
|
|
if self.GetCurrentLine() > self.current_prompt_line:
|
|
|
if self.GetCurrentLine() == self.current_prompt_line + 1 \
|
|
|
and self.GetColumn(self.GetCurrentPos()) < \
|
|
|
self.GetColumn(self.current_prompt_pos):
|
|
|
self.GotoPos(self.current_prompt_pos)
|
|
|
else:
|
|
|
event.Skip()
|
|
|
catched = True
|
|
|
|
|
|
elif event.KeyCode in (wx.WXK_LEFT, wx.WXK_BACK):
|
|
|
if self.GetCurrentPos() > self.current_prompt_pos:
|
|
|
event.Skip()
|
|
|
catched = True
|
|
|
|
|
|
if skip and not catched:
|
|
|
event.Skip()
|
|
|
|
|
|
return catched
|
|
|
|
|
|
|
|
|
def _on_key_up(self, event, skip=True):
|
|
|
""" If cursor is outside the editing region, put it back.
|
|
|
"""
|
|
|
event.Skip()
|
|
|
if self.GetCurrentPos() < self.current_prompt_pos:
|
|
|
self.GotoPos(self.current_prompt_pos)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
# Some simple code to test the console widget.
|
|
|
class MainWindow(wx.Frame):
|
|
|
def __init__(self, parent, id, title):
|
|
|
wx.Frame.__init__(self, parent, id, title, size=(300,250))
|
|
|
self._sizer = wx.BoxSizer(wx.VERTICAL)
|
|
|
self.console_widget = ConsoleWidget(self)
|
|
|
self._sizer.Add(self.console_widget, 1, wx.EXPAND)
|
|
|
self.SetSizer(self._sizer)
|
|
|
self.SetAutoLayout(1)
|
|
|
self.Show(True)
|
|
|
|
|
|
app = wx.PySimpleApp()
|
|
|
w = MainWindow(None, wx.ID_ANY, 'ConsoleWidget')
|
|
|
w.SetSize((780, 460))
|
|
|
w.Show()
|
|
|
|
|
|
app.MainLoop()
|
|
|
|
|
|
|
|
|
|
