wxWidgets/wxPython/wx/py/editwindow.py
2007-01-17 23:03:46 +00:00

296 lines
10 KiB
Python

"""EditWindow class."""
__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
__cvsid__ = "$Id$"
__revision__ = "$Revision$"[11:-2]
import wx
from wx import stc
import keyword
import os
import sys
import time
import dispatcher
from version import VERSION
if 'wxMSW' in wx.PlatformInfo:
FACES = { 'times' : 'Times New Roman',
'mono' : 'Courier New',
'helv' : 'Arial',
'lucida' : 'Lucida Console',
'other' : 'Comic Sans MS',
'size' : 10,
'lnsize' : 8,
'backcol' : '#FFFFFF',
'calltipbg' : '#FFFFB8',
'calltipfg' : '#404040',
}
elif 'wxGTK' in wx.PlatformInfo and 'gtk2' in wx.PlatformInfo:
FACES = { 'times' : 'Serif',
'mono' : 'Monospace',
'helv' : 'Sans',
'other' : 'new century schoolbook',
'size' : 10,
'lnsize' : 9,
'backcol' : '#FFFFFF',
'calltipbg' : '#FFFFB8',
'calltipfg' : '#404040',
}
elif 'wxMac' in wx.PlatformInfo:
FACES = { 'times' : 'Lucida Grande',
'mono' : 'Courier New',
'helv' : 'Geneva',
'other' : 'new century schoolbook',
'size' : 13,
'lnsize' : 10,
'backcol' : '#FFFFFF',
'calltipbg' : '#FFFFB8',
'calltipfg' : '#404040',
}
else: # GTK1, etc.
FACES = { 'times' : 'Times',
'mono' : 'Courier',
'helv' : 'Helvetica',
'other' : 'new century schoolbook',
'size' : 12,
'lnsize' : 10,
'backcol' : '#FFFFFF',
'calltipbg' : '#FFFFB8',
'calltipfg' : '#404040',
}
class EditWindow(stc.StyledTextCtrl):
"""EditWindow based on StyledTextCtrl."""
revision = __revision__
def __init__(self, parent, id=-1, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=wx.CLIP_CHILDREN | wx.SUNKEN_BORDER):
"""Create EditWindow instance."""
stc.StyledTextCtrl.__init__(self, parent, id, pos, size, style)
self.__config()
stc.EVT_STC_UPDATEUI(self, id, self.OnUpdateUI)
dispatcher.connect(receiver=self._fontsizer, signal='FontIncrease')
dispatcher.connect(receiver=self._fontsizer, signal='FontDecrease')
dispatcher.connect(receiver=self._fontsizer, signal='FontDefault')
def _fontsizer(self, signal):
"""Receiver for Font* signals."""
size = self.GetZoom()
if signal == 'FontIncrease':
size += 1
elif signal == 'FontDecrease':
size -= 1
elif signal == 'FontDefault':
size = 0
self.SetZoom(size)
def __config(self):
self.setDisplayLineNumbers(False)
self.SetLexer(stc.STC_LEX_PYTHON)
self.SetKeyWords(0, ' '.join(keyword.kwlist))
self.setStyles(FACES)
self.SetViewWhiteSpace(False)
self.SetTabWidth(4)
self.SetUseTabs(False)
# Do we want to automatically pop up command completion options?
self.autoComplete = True
self.autoCompleteIncludeMagic = True
self.autoCompleteIncludeSingle = True
self.autoCompleteIncludeDouble = True
self.autoCompleteCaseInsensitive = True
self.AutoCompSetIgnoreCase(self.autoCompleteCaseInsensitive)
self.autoCompleteAutoHide = False
self.AutoCompSetAutoHide(self.autoCompleteAutoHide)
self.AutoCompStops(' .,;:([)]}\'"\\<>%^&+-=*/|`')
# Do we want to automatically pop up command argument help?
self.autoCallTip = True
self.callTipInsert = True
self.CallTipSetBackground(FACES['calltipbg'])
self.CallTipSetForeground(FACES['calltipfg'])
self.SetWrapMode(False)
try:
self.SetEndAtLastLine(False)
except AttributeError:
pass
def setDisplayLineNumbers(self, state):
self.lineNumbers = state
if state:
self.SetMarginType(1, stc.STC_MARGIN_NUMBER)
self.SetMarginWidth(1, 40)
else:
# Leave a small margin so the feature hidden lines marker can be seen
self.SetMarginType(1, 0)
self.SetMarginWidth(1, 10)
def setStyles(self, faces):
"""Configure font size, typeface and color for lexer."""
# Default style
self.StyleSetSpec(stc.STC_STYLE_DEFAULT,
"face:%(mono)s,size:%(size)d,back:%(backcol)s" % \
faces)
self.StyleClearAll()
self.SetSelForeground(True, wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))
self.SetSelBackground(True, wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHT))
# Built in styles
self.StyleSetSpec(stc.STC_STYLE_LINENUMBER,
"back:#C0C0C0,face:%(mono)s,size:%(lnsize)d" % FACES)
self.StyleSetSpec(stc.STC_STYLE_CONTROLCHAR,
"face:%(mono)s" % faces)
self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT,
"fore:#0000FF,back:#FFFF88")
self.StyleSetSpec(stc.STC_STYLE_BRACEBAD,
"fore:#FF0000,back:#FFFF88")
# Python styles
self.StyleSetSpec(stc.STC_P_DEFAULT,
"face:%(mono)s" % faces)
self.StyleSetSpec(stc.STC_P_COMMENTLINE,
"fore:#007F00,face:%(mono)s" % faces)
self.StyleSetSpec(stc.STC_P_NUMBER,
"")
self.StyleSetSpec(stc.STC_P_STRING,
"fore:#7F007F,face:%(mono)s" % faces)
self.StyleSetSpec(stc.STC_P_CHARACTER,
"fore:#7F007F,face:%(mono)s" % faces)
self.StyleSetSpec(stc.STC_P_WORD,
"fore:#00007F,bold")
self.StyleSetSpec(stc.STC_P_TRIPLE,
"fore:#7F0000")
self.StyleSetSpec(stc.STC_P_TRIPLEDOUBLE,
"fore:#000033,back:#FFFFE8")
self.StyleSetSpec(stc.STC_P_CLASSNAME,
"fore:#0000FF,bold")
self.StyleSetSpec(stc.STC_P_DEFNAME,
"fore:#007F7F,bold")
self.StyleSetSpec(stc.STC_P_OPERATOR,
"")
self.StyleSetSpec(stc.STC_P_IDENTIFIER,
"")
self.StyleSetSpec(stc.STC_P_COMMENTBLOCK,
"fore:#7F7F7F")
self.StyleSetSpec(stc.STC_P_STRINGEOL,
"fore:#000000,face:%(mono)s,back:#E0C0E0,eolfilled" % faces)
def OnUpdateUI(self, event):
"""Check for matching braces."""
# If the auto-complete window is up let it do its thing.
if self.AutoCompActive() or self.CallTipActive():
return
braceAtCaret = -1
braceOpposite = -1
charBefore = None
caretPos = self.GetCurrentPos()
if caretPos > 0:
charBefore = self.GetCharAt(caretPos - 1)
styleBefore = self.GetStyleAt(caretPos - 1)
# Check before.
if charBefore and chr(charBefore) in '[]{}()' \
and styleBefore == stc.STC_P_OPERATOR:
braceAtCaret = caretPos - 1
# Check after.
if braceAtCaret < 0:
charAfter = self.GetCharAt(caretPos)
styleAfter = self.GetStyleAt(caretPos)
if charAfter and chr(charAfter) in '[]{}()' \
and styleAfter == stc.STC_P_OPERATOR:
braceAtCaret = caretPos
if braceAtCaret >= 0:
braceOpposite = self.BraceMatch(braceAtCaret)
if braceAtCaret != -1 and braceOpposite == -1:
self.BraceBadLight(braceAtCaret)
else:
self.BraceHighlight(braceAtCaret, braceOpposite)
def CanCopy(self):
"""Return True if text is selected and can be copied."""
return self.GetSelectionStart() != self.GetSelectionEnd()
def CanCut(self):
"""Return True if text is selected and can be cut."""
return self.CanCopy() and self.CanEdit()
def CanEdit(self):
"""Return True if editing should succeed."""
return not self.GetReadOnly()
def CanPaste(self):
"""Return True if pasting should succeed."""
return stc.StyledTextCtrl.CanPaste(self) and self.CanEdit()
def GetLastPosition(self):
return self.GetLength()
def GetRange(self, start, end):
return self.GetTextRange(start, end)
def GetSelection(self):
return self.GetAnchor(), self.GetCurrentPos()
def ShowPosition(self, pos):
line = self.LineFromPosition(pos)
#self.EnsureVisible(line)
self.GotoLine(line)
def DoFindNext(self, findData, findDlg=None):
backward = not (findData.GetFlags() & wx.FR_DOWN)
matchcase = (findData.GetFlags() & wx.FR_MATCHCASE) != 0
end = self.GetLastPosition()
textstring = self.GetRange(0, end)
findstring = findData.GetFindString()
if not matchcase:
textstring = textstring.lower()
findstring = findstring.lower()
if backward:
start = self.GetSelection()[0]
loc = textstring.rfind(findstring, 0, start)
else:
start = self.GetSelection()[1]
loc = textstring.find(findstring, start)
# if it wasn't found then restart at begining
if loc == -1 and start != 0:
if backward:
start = end
loc = textstring.rfind(findstring, 0, start)
else:
start = 0
loc = textstring.find(findstring, start)
# was it still not found?
if loc == -1:
dlg = wx.MessageDialog(self, 'Unable to find the search text.',
'Not found!',
wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()
if findDlg:
if loc == -1:
wx.CallAfter(findDlg.SetFocus)
return
else:
findDlg.Close()
# show and select the found text
self.ShowPosition(loc)
self.SetSelection(loc, loc + len(findstring))