Python tweelexer.TweeLexer类代码示例

 def offerAssistance(self):
     """
     Offer to fulfill certain incomplete tasks evident from the state of the passage text.
     (Technically, none of this needs to be on passageFrame instead of passageWidget.)
     """
     
     # Offer to create passage for broken links
     if self.app.config.ReadBool('createPassagePrompt'):
         brokens = links = filter(lambda text: TweeLexer.linkStyle(text) == TweeLexer.BAD_LINK, self.widget.getBrokenLinks())
         if brokens :
             if len(brokens) > 1:
                 brokenmsg = 'create ' + str(len(brokens)) + ' new passages to match these broken links?'
             else:
                 brokenmsg = 'create the passage "' + brokens[0] + '"?'
             dialog = wx.MessageDialog(self, 'Do you want to ' + brokenmsg, 'Create Passages', \
                                               wx.ICON_QUESTION | wx.YES_NO | wx.CANCEL | wx.YES_DEFAULT)
             check = dialog.ShowModal()
             if check == wx.ID_YES:
                 for title in brokens:
                     self.widget.parent.newWidget(title = title, pos = self.widget.parent.toPixels (self.widget.pos))
             elif check == wx.ID_CANCEL:
                 return
     
     # Offer to import external images
     if self.app.config.ReadBool('importImagePrompt'):
         regex = tweeregex.EXTERNAL_IMAGE_REGEX
         externalimages = re.finditer(regex, self.widget.passage.text)
         check = None
         downloadedurls = {}
         storyframe = self.widget.parent.parent
         for img in externalimages:
             if not check:
                 dialog = wx.MessageDialog(self, 'Do you want to import the image files linked\nin this passage into the story file?', 'Import Images', \
                                               wx.ICON_QUESTION | wx.YES_NO | wx.CANCEL | wx.YES_DEFAULT);
                 check = dialog.ShowModal()
                 if check == wx.ID_NO:
                     break  
                 elif check == wx.ID_CANCEL:
                     return
             # Download the image if it's at an absolute URL
             imgurl = img.group(4) or img.group(7)
             if not imgurl:
                 continue
             # If we've downloaded it before, don't do it again
             if imgurl not in downloadedurls:
                 # Internet image, or local image?
                 if any(imgurl.startswith(t) for t in ['http://', 'https://', 'ftp://']):
                     imgpassagename = storyframe.importImageURL(imgurl, showdialog=False)
                 else:
                     imgpassagename = storyframe.importImageFile(storyframe.getLocalDir()+os.sep+imgurl, showdialog=False)
                 if not imgpassagename:
                     continue
                 downloadedurls[imgurl] = imgpassagename
         
         # Replace all found images
         for old, new in downloadedurls.iteritems():
             self.widget.passage.text = re.sub(regex.replace(tweeregex.IMAGE_FILENAME_REGEX, re.escape(old)),
                                               lambda m: m.group(0).replace(old, new), self.widget.passage.text)
     
     self.bodyInput.SetText(self.widget.passage.text)

    def updateSubmenus(self, event=None):
        """
        Updates our passage menus. This should be called sparingly, i.e. not during
        a UI update event, as it is doing a bunch of removing and adding of items.
        """

        # separate outgoing and broken links

        outgoing = []
        incoming = []
        broken = []

        # Remove externals

        links = filter(lambda text: TweeLexer.linkStyle(text) == TweeLexer.BAD_LINK, self.widget.passage.links)
        for link in links:
            if len(link) > 0:
                if link in self.widget.parent.widgetDict:
                    outgoing.append(link)
                elif not self.widget.parent.includedPassageExists(link):
                    broken.append(link)

        # incoming links

        for widget in self.widget.parent.widgetDict.itervalues():
            if self.widget.passage.title in widget.passage.links and len(widget.passage.title) > 0:
                incoming.append(widget.passage.title)

        # repopulate the menus

        def populate(menu, links):
            for item in menu.GetMenuItems():
                menu.DeleteItem(item)

            if len(links):
                for link in links:
                    item = menu.Append(-1, link)
                    self.Bind(wx.EVT_MENU, self.openOtherEditor, item)
            else:
                item = menu.Append(wx.ID_ANY, "(None)")
                item.Enable(False)

        outTitle = "Outgoing Links"
        if len(outgoing) > 0:
            outTitle += " (" + str(len(outgoing)) + ")"
        self.outLinksMenuTitle.SetText(outTitle)
        populate(self.outLinksMenu, outgoing)

        inTitle = "Incoming Links"
        if len(incoming) > 0:
            inTitle += " (" + str(len(incoming)) + ")"
        self.inLinksMenuTitle.SetText(inTitle)
        populate(self.inLinksMenu, incoming)

        brokenTitle = "Broken Links"
        if len(broken) > 0:
            brokenTitle += " (" + str(len(broken)) + ")"
        self.brokenLinksMenuTitle.SetText(brokenTitle)
        populate(self.brokenLinksMenu, broken)

    def update(self):
        """
        Update the lists of all passages linked/displayed by this one.
        Returns internal links and <<choice>>/<<actions>> macros.
        """
        if not self.isStoryText() and not self.isAnnotation() and not self.isStylesheet():
            self.displays = []
            self.links = []
            self.images = []
            self.macros = []
            return

        # <<display>>
        self.displays = list(set(re.findall(r'\<\<display\s+[\'"]?(.+?)[\'"]?\s?\>\>', self.text, re.IGNORECASE)))

        macros = set()
        # other macros (including shorthand <<display>>)
        for m in re.finditer(tweeregex.MACRO_REGEX, self.text):
            # Exclude shorthand <<print>>
            if m.group(1) and m.group(1)[0] != '$':
                macros.add(m.group(1))
        self.macros = list(macros)
        
        # avoid duplicates by collecting links in a set
        links = set()

        # Regular hyperlinks (also matches wiki-style links inside macros)
        for m in re.finditer(tweeregex.LINK_REGEX, self.text):
            # Exclude external links
            link = m.group(2) or m.group(1)
            if TweeLexer.linkStyle(link) != TweeLexer.EXTERNAL:
                links.add(m.group(2) or m.group(1))

        # Include images
        for m in re.finditer(tweeregex.IMAGE_REGEX, self.text):
            if m.group(5):
                links.add(m.group(5))

        # <<choice passage_name [link_text]>>
        for block in re.findall(r'\<\<choice\s+(.*?)\s?\>\>', self.text):
            item = re.match(r'(?:"([^"]*)")|(?:\'([^\']*)\')|([^"\'\[\s]\S*)', block)
            if item:
                links.add(''.join(item.groups('')))

        # <<actions '' ''>>
        for block in re.findall(r'\<\<actions\s+(.*?)\s?\>\>', self.text):
            links.update(re.findall(r'[\'"](.*?)[\'"]', block))

        self.links = list(links)

        # Images

        images = set()
        for block in re.finditer(tweeregex.IMAGE_REGEX, self.text):
            images.add(block.group(4))

        self.images = list(images)

    def update(self):
        """
        Update the lists of all passages linked/displayed by this one.
        Returns internal links and <<choice>>/<<actions>> macros.
        """
        if not self.isStoryText() and not self.isAnnotation() and not self.isStylesheet():
            self.displays = []
            self.links = []
            self.images = []
            self.macros = []
            return

        images = set()
        macros = set()
        links = set()
        
        # <<display>>
        self.displays = list(set(re.findall(r'\<\<display\s+[\'"]?(.+?)[\'"]?\s?\>\>', self.text, re.IGNORECASE)))

        macros = set()
        # other macros (including shorthand <<display>>)
        for m in re.finditer(tweeregex.MACRO_REGEX, self.text):
            # Exclude shorthand <<print>>
            if m.group(1) and m.group(1)[0] != '$':
                macros.add(m.group(1))
        self.macros = list(macros)

        # Regular hyperlinks (also matches wiki-style links inside macros)
        for m in re.finditer(tweeregex.LINK_REGEX, self.text):
            # Exclude external links
            link = m.group(2) or m.group(1)
            if TweeLexer.linkStyle(link) != TweeLexer.EXTERNAL:
                links.add(m.group(2) or m.group(1))

        # Include images
        for m in re.finditer(tweeregex.IMAGE_REGEX, self.text):
            if m.group(5):
                links.add(m.group(5))
                
        # HTML data-passage links
        for m in re.finditer(tweeregex.HTML_REGEX, self.text):
            attrs = m.group(2)
            if attrs:
                dataPassage = re.search(r"""data-passage\s*=\s*(?:([^<>'"=`\s]+)|'((?:[^'\\]*\\.)*[^'\\]*)'|"((?:[^"\\]*\\.)*[^"\\]*)")""", attrs)
                if dataPassage:
                    theSet = images if m.group(1) == "img" else links
                    theSet.add(dataPassage.group(1) or dataPassage.group(2) or dataPassage.group(3))
                
        # <<choice passage_name [link_text]>>
        for block in re.findall(r'\<\<choice\s+(.*?)\s?\>\>', self.text):
            item = re.match(r'(?:"([^"]*)")|(?:\'([^\']*)\')|([^"\'\[\s]\S*)', block)
            if item:
                links.add(''.join(item.groups('')))

        # <<actions '' ''>>
        for block in re.findall(r'\<\<actions\s+(.*?)\s?\>\>', self.text):
            links.update(re.findall(r'[\'"](.*?)[\'"]', block))

        self.links = list(links)

        # Images

        for block in re.finditer(tweeregex.IMAGE_REGEX, self.text):
            images.add(block.group(4))

        self.images = list(images)

 def addLink(link):
     style = TweeLexer.linkStyle(link)
     if style == TweeLexer.PARAM:
         variableLinks.add(link)
     elif style != TweeLexer.EXTERNAL:
         links.add(link)

#.........这里部分代码省略.........
        editMenu.Append(wx.ID_REDO, '&Redo\tCtrl-Y')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Redo(), id = wx.ID_REDO)
        
        editMenu.AppendSeparator()
        
        editMenu.Append(wx.ID_CUT, 'Cu&t\tCtrl-X')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Cut(), id = wx.ID_CUT)

        editMenu.Append(wx.ID_COPY, '&Copy\tCtrl-C')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Copy(), id = wx.ID_COPY)
        
        editMenu.Append(wx.ID_PASTE, '&Paste\tCtrl-V')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Paste(), id = wx.ID_PASTE)

        editMenu.Append(wx.ID_SELECTALL, 'Select &All\tCtrl-A')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.SelectAll(), id = wx.ID_SELECTALL)

        editMenu.AppendSeparator()

        editMenu.Append(wx.ID_FIND, '&Find...\tCtrl-F')
        self.Bind(wx.EVT_MENU, lambda e: self.showSearchFrame(PassageSearchFrame.FIND_TAB), id = wx.ID_FIND)

        editMenu.Append(PassageFrame.EDIT_FIND_NEXT, 'Find &Next\tCtrl-G')
        self.Bind(wx.EVT_MENU, self.findNextRegexp, id = PassageFrame.EDIT_FIND_NEXT)
        
        if sys.platform == 'darwin':
            shortcut = 'Ctrl-Shift-H'
        else:
            shortcut = 'Ctrl-H'
        
        editMenu.Append(wx.ID_REPLACE, '&Replace...\t' + shortcut)
        self.Bind(wx.EVT_MENU, lambda e: self.showSearchFrame(PassageSearchFrame.REPLACE_TAB), id = wx.ID_REPLACE)

        # menus
        
        self.menus = wx.MenuBar()
        self.menus.Append(passageMenu, '&Passage')
        self.menus.Append(editMenu, '&Edit')
        self.SetMenuBar(self.menus)

        # controls
        
        self.panel = wx.Panel(self)
        allSizer = wx.BoxSizer(wx.VERTICAL)
        self.panel.SetSizer(allSizer)
        
        # title/tag controls
        
        self.topControls = wx.Panel(self.panel)
        topSizer = wx.FlexGridSizer(3, 2, metrics.size('relatedControls'), metrics.size('relatedControls'))
        
        titleLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TITLE_LABEL)
        self.titleInput = wx.TextCtrl(self.topControls)
        tagsLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TAGS_LABEL)
        self.tagsInput = wx.TextCtrl(self.topControls)
        topSizer.Add(titleLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.titleInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(tagsLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.tagsInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.AddGrowableCol(1, 1)
        self.topControls.SetSizer(topSizer)
        
        # body text
        
        self.bodyInput = wx.stc.StyledTextCtrl(self.panel, style = wx.TE_PROCESS_TAB | wx.BORDER_SUNKEN)
        self.bodyInput.SetUseHorizontalScrollBar(False)
        self.bodyInput.SetMargins(8, 8)
        self.bodyInput.SetMarginWidth(1, 0)
        self.bodyInput.SetWrapMode(wx.stc.STC_WRAP_WORD)
        self.bodyInput.SetSelBackground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHT))
        self.bodyInput.SetSelForeground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))
                
        # final layout
        
        allSizer.Add(self.topControls, flag = wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND, border = metrics.size('windowBorder'))
        allSizer.Add(self.bodyInput, proportion = 1, flag = wx.TOP | wx.EXPAND, border = metrics.size('relatedControls'))
        self.lexer = TweeLexer(self.bodyInput, self)
        self.applyPrefs()
        self.syncInputs()
        self.bodyInput.EmptyUndoBuffer()
        self.updateSubmenus()
        self.setLexer()
        
        # event bindings
        # we need to do this AFTER setting up initial values
        
        self.titleInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.tagsInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_CHANGE, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_START_DRAG, self.prepDrag)
        self.Bind(wx.EVT_CLOSE, self.closeFullscreen)
        self.Bind(wx.EVT_MENU_OPEN, self.updateSubmenus)
        self.Bind(wx.EVT_UPDATE_UI, self.updateUI)
        
        if not re.match('Untitled Passage \d+', self.widget.passage.title):
            self.bodyInput.SetFocus()
            self.bodyInput.SetSelection(-1, -1)

        self.SetIcon(self.app.icon)
        self.Show(True)

#.........这里部分代码省略.........
        allSizer = wx.BoxSizer(wx.VERTICAL)
        self.panel.SetSizer(allSizer)
        
        # title/tag controls
        
        self.topControls = wx.Panel(self.panel)
        topSizer = wx.FlexGridSizer(3, 2, metrics.size('relatedControls'), metrics.size('relatedControls'))
        
        titleLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TITLE_LABEL)
        self.titleInput = wx.TextCtrl(self.topControls)
        tagsLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TAGS_LABEL)
        self.tagsInput = wx.TextCtrl(self.topControls)
        topSizer.Add(titleLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.titleInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(tagsLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.tagsInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.AddGrowableCol(1, 1)
        self.topControls.SetSizer(topSizer)
        
        # body text
        
        self.bodyInput = wx.stc.StyledTextCtrl(self.panel, style = wx.TE_PROCESS_TAB | wx.BORDER_SUNKEN)
        self.bodyInput.SetUseHorizontalScrollBar(False)
        self.bodyInput.SetMargins(8, 8)
        self.bodyInput.SetMarginWidth(1, 0)
        self.bodyInput.SetWrapMode(wx.stc.STC_WRAP_WORD)
        self.bodyInput.SetSelBackground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHT))
        self.bodyInput.SetSelForeground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))
                
        # final layout
        
        allSizer.Add(self.topControls, flag = wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND, border = metrics.size('windowBorder'))
        allSizer.Add(self.bodyInput, proportion = 1, flag = wx.TOP | wx.EXPAND, border = metrics.size('relatedControls'))
        self.lexer = TweeLexer(self.bodyInput, self)
        self.applyPrefs()
        self.syncInputs()
        self.bodyInput.EmptyUndoBuffer()
        self.updateSubmenus()
        self.setLexer()
        
        # event bindings
        # we need to do this AFTER setting up initial values
        
        self.titleInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.tagsInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_CHANGE, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_START_DRAG, self.prepDrag)
        self.Bind(wx.EVT_CLOSE, self.closeFullscreen)
        self.Bind(wx.EVT_MENU_OPEN, self.updateSubmenus)
        self.Bind(wx.EVT_UPDATE_UI, self.updateUI)
        
        if not re.match('Untitled Passage \d+', self.widget.passage.title):
            self.bodyInput.SetFocus()
            self.bodyInput.SetSelection(-1, -1)

        self.SetIcon(self.app.icon)
        self.Show(True)

    def syncInputs (self):
        """Updates the inputs based on the passage's state."""
        self.titleInput.SetValue(self.widget.passage.title)
        self.bodyInput.SetText(self.widget.passage.text)
    
        tags = ''
        
        for tag in self.widget.passage.tags:

#.........这里部分代码省略.........

        self.bodyInput = wx.stc.StyledTextCtrl(self.panel, style = wx.TE_PROCESS_TAB | wx.BORDER_SUNKEN)
        self.bodyInput.SetUseHorizontalScrollBar(False)
        self.bodyInput.SetMargins(8, 8)
        self.bodyInput.SetMarginWidth(1, 0)
        self.bodyInput.SetWrapMode(wx.stc.STC_WRAP_WORD)
        self.bodyInput.SetSelBackground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHT))
        self.bodyInput.SetSelForeground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))

        # The default keyboard shortcuts for StyledTextCtrl are
        # nonstandard on Mac OS X
        if sys.platform == "darwin":
            # cmd-left/right to move to beginning/end of line
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_HOMEDISPLAY)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_HOMEDISPLAYEXTEND)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_LINEENDDISPLAY)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_LINEENDDISPLAYEXTEND)
            # opt-left/right to move forward/back a word
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_WORDLEFT)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_ALT | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_WORDLEFTEXTEND)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_WORDRIGHT)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_ALT | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_WORDRIGHTEXTEND)
            # cmd-delete to delete from the cursor to beginning of line
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_BACK, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_DELLINELEFT)
            # opt-delete to delete the previous/current word
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_BACK, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_DELWORDLEFT)
            # cmd-shift-z to redo
            self.bodyInput.CmdKeyAssign(ord('Z'), wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_REDO)

        # final layout

        allSizer.Add(self.topControls, flag = wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND, border = metrics.size('windowBorder'))
        allSizer.Add(self.bodyInput, proportion = 1, flag = wx.TOP | wx.EXPAND, border = metrics.size('relatedControls'))
        self.lexer = TweeLexer(self.bodyInput, self)
        self.applyPrefs()
        self.syncInputs()
        self.bodyInput.EmptyUndoBuffer()
        self.updateSubmenus()
        self.setLexer()

        # event bindings
        # we need to do this AFTER setting up initial values

        self.titleInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.tagsInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_CHANGE, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_START_DRAG, self.prepDrag)
        self.Bind(wx.EVT_CLOSE, self.closeFullscreen)
        self.Bind(wx.EVT_MENU_OPEN, self.updateSubmenus)
        self.Bind(wx.EVT_UPDATE_UI, self.updateUI)

        if not re.match('Untitled Passage \d+', self.widget.passage.title):
            self.bodyInput.SetFocus()
            self.bodyInput.SetSelection(-1, -1)

        # Hack to force titles (>18 char) to display correctly.
        # NOTE: stops working if moved above bodyInput code. 
        self.titleInput.SetInsertionPoint(0)

        self.SetIcon(self.app.icon)
        self.Show(True)

    def syncInputs(self):
        """Updates the inputs based on the passage's state."""
        self.titleInput.SetValue(self.widget.passage.title)
        self.bodyInput.SetText(self.widget.passage.text)

#.........这里部分代码省略.........
        self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/syntax'), id = PassageFrame.HELP2)

        helpMenu.Append(PassageFrame.HELP3, 'About Links')
        self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/link'), id = PassageFrame.HELP3)

        helpMenu.Append(PassageFrame.HELP4, 'About Tags')
        self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/tag'), id = PassageFrame.HELP4)

        # menus

        self.menus = wx.MenuBar()
        self.menus.Append(passageMenu, '&Passage')
        self.menus.Append(editMenu, '&Edit')
        self.menus.Append(helpMenu, '&Help')
        self.SetMenuBar(self.menus)

        # controls

        self.panel = wx.Panel(self)
        allSizer = wx.BoxSizer(wx.VERTICAL)
        self.panel.SetSizer(allSizer)

        # title/tag controls

        self.topControls = wx.Panel(self.panel)
        topSizer = wx.FlexGridSizer(3, 2, metrics.size('relatedControls'), metrics.size('relatedControls'))

        self.titleLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TITLE_LABEL)
        self.titleInput = wx.TextCtrl(self.topControls)
        tagsLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TAGS_LABEL)
        self.tagsInput = wx.TextCtrl(self.topControls)
        topSizer.Add(self.titleLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.titleInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(tagsLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.tagsInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.AddGrowableCol(1, 1)
        self.topControls.SetSizer(topSizer)

        # body text

        self.bodyInput = wx.stc.StyledTextCtrl(self.panel, style = wx.TE_PROCESS_TAB | wx.BORDER_SUNKEN)
        self.bodyInput.SetUseHorizontalScrollBar(False)
        self.bodyInput.SetMargins(8, 8)
        self.bodyInput.SetMarginWidth(1, 0)
        self.bodyInput.SetWrapMode(wx.stc.STC_WRAP_WORD)
        self.bodyInput.SetSelBackground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHT))
        self.bodyInput.SetSelForeground(True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))

        # The default keyboard shortcuts for StyledTextCtrl are
        # nonstandard on Mac OS X
        if sys.platform == "darwin":
            # cmd-left/right to move to beginning/end of line
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_HOMEDISPLAY)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_HOMEDISPLAYEXTEND)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_LINEENDDISPLAY)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_LINEENDDISPLAYEXTEND)
            # opt-left/right to move forward/back a word
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_WORDLEFT)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_ALT | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_WORDLEFTEXTEND)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_WORDRIGHT)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_ALT | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_WORDRIGHTEXTEND)
            # cmd-delete to delete from the cursor to beginning of line
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_BACK, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_DELLINELEFT)
            # opt-delete to delete the previous/current word
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_BACK, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_DELWORDLEFT)
            # cmd-shift-z to redo
            self.bodyInput.CmdKeyAssign(ord('Z'), wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_REDO)

        # final layout

        allSizer.Add(self.topControls, flag = wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND, border = metrics.size('windowBorder'))
        allSizer.Add(self.bodyInput, proportion = 1, flag = wx.TOP | wx.EXPAND, border = metrics.size('relatedControls'))
        self.lexer = TweeLexer(self.bodyInput, self)
        self.applyPrefs()
        self.syncInputs()
        self.bodyInput.EmptyUndoBuffer()
        self.updateSubmenus()
        self.setLexer()

        # event bindings
        # we need to do this AFTER setting up initial values

        self.titleInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.tagsInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_CHANGE, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_START_DRAG, self.prepDrag)
        self.Bind(wx.EVT_CLOSE, self.closeFullscreen)
        self.Bind(wx.EVT_MENU_OPEN, self.updateSubmenus)
        self.Bind(wx.EVT_UPDATE_UI, self.updateUI)

        if not re.match('Untitled Passage \d+', self.widget.passage.title):
            self.bodyInput.SetFocus()
            self.bodyInput.SetSelection(-1, -1)

        # Hack to force titles (>18 char) to display correctly.
        # NOTE: stops working if moved above bodyInput code. 
        self.titleInput.SetInsertionPoint(0)

        self.SetIcon(self.app.icon)
        self.Show(True)