frame.py

Wxpython Implemented on Windows CE, Source code

            elif id == ID_AUTOCOMP_DOUBLE:
                event.Check(win.autoCompleteIncludeDouble)
            elif id == ID_CALLTIPS_SHOW:
                event.Check(win.autoCallTip)
            elif id == ID_CALLTIPS_INSERT:
                event.Check(win.callTipInsert)
            elif id == ID_WRAP:
                event.Check(win.GetWrapMode())
            elif id == ID_USEAA:
                event.Check(win.GetUseAntiAliasing())

            elif id == ID_SHOW_LINENUMBERS:
                event.Check(win.lineNumbers)
            elif id == ID_AUTO_SAVESETTINGS:
                event.Check(self.autoSaveSettings)
                event.Enable(self.config is not None)
            elif id == ID_SAVESETTINGS:
                event.Enable(self.config is not None and
                             hasattr(self, 'DoSaveSettings'))
            elif id == ID_DELSETTINGSFILE:
                event.Enable(self.config is not None)
                
            elif id == ID_EXECSTARTUPSCRIPT:
                event.Check(self.execStartupScript)
                event.Enable(self.config is not None)

            elif id == ID_SAVEHISTORY:
                event.Check(self.autoSaveHistory)
                event.Enable(self.dataDir is not None)
            elif id == ID_SAVEHISTORYNOW:
                event.Enable(self.dataDir is not None and
                             hasattr(self, 'SaveHistory'))
            elif id == ID_CLEARHISTORY:
                event.Enable(self.dataDir is not None)
                
            elif id == ID_EDITSTARTUPSCRIPT:
                event.Enable(hasattr(self, 'EditStartupScript'))
                event.Enable(self.dataDir is not None)
                
            elif id == ID_FIND:
                event.Enable(hasattr(win, 'DoFindNext'))
            elif id == ID_FINDNEXT:
                event.Enable(hasattr(win, 'DoFindNext'))
                                             
            else:
                event.Enable(False)
        except AttributeError:
            # This menu option is not supported in the current context.
            event.Enable(False)


    def OnActivate(self, event):
        """
        Event Handler for losing the focus of the Frame. Should close
        Autocomplete listbox, if shown.
        """
        if not event.GetActive():
            # If autocomplete active, cancel it.  Otherwise, the
            # autocomplete list will stay visible on top of the
            # z-order after switching to another application
            win = wx.Window.FindFocus()
            if hasattr(win, 'AutoCompActive') and win.AutoCompActive():
                win.AutoCompCancel()
        event.Skip()



    def LoadSettings(self, config):
        """Called be derived classes to load settings specific to the Frame"""
        pos  = wx.Point(config.ReadInt('Window/PosX', -1),
                        config.ReadInt('Window/PosY', -1))
                        
        size = wx.Size(config.ReadInt('Window/Width', -1),
                       config.ReadInt('Window/Height', -1))

        self.SetSize(size)
        self.Move(pos)


    def SaveSettings(self, config):
        """Called by derived classes to save Frame settings to a wx.Config object"""

        # TODO: track position/size so we can save it even if the
        # frame is maximized or iconized.
        if not self.iconized and not self.IsMaximized():
            w, h = self.GetSize()
            config.WriteInt('Window/Width', w)
            config.WriteInt('Window/Height', h)
            
            px, py = self.GetPosition()
            config.WriteInt('Window/PosX', px)
            config.WriteInt('Window/PosY', py)




class ShellFrameMixin:
    """
    A mix-in class for frames that will have a Shell or a Crust window
    and that want to add history, startupScript and other common
    functionality.
    """
    def __init__(self, config, dataDir):
        self.config = config
        self.dataDir = dataDir
        self.startupScript = os.environ.get('PYTHONSTARTUP')
        if not self.startupScript and self.dataDir:
            self.startupScript = os.path.join(self.dataDir, 'startup')
            
        self.autoSaveSettings = False
        self.autoSaveHistory = False

        # We need this one before we have a chance to load the settings...
        self.execStartupScript = True
        if self.config:
            self.execStartupScript = self.config.ReadBool('Options/ExecStartupScript', True)
            

    def OnHelp(self, event):
        """Display a Help window."""
        import  wx.lib.dialogs
        title = 'Help on key bindings'
        
        text = wx.py.shell.HELP_TEXT

        dlg = wx.lib.dialogs.ScrolledMessageDialog(self, text, title, size = ((700, 540)))
        fnt = wx.Font(10, wx.TELETYPE, wx.NORMAL, wx.NORMAL)
        dlg.GetChildren()[0].SetFont(fnt)
        dlg.GetChildren()[0].SetInsertionPoint(0)
        dlg.ShowModal()
        dlg.Destroy()


    def LoadSettings(self):
        if self.config is not None:
            self.autoSaveSettings = self.config.ReadBool('Options/AutoSaveSettings', False)
            self.execStartupScript = self.config.ReadBool('Options/ExecStartupScript', True)
            self.autoSaveHistory  = self.config.ReadBool('Options/AutoSaveHistory', False)
            self.LoadHistory()


    def SaveSettings(self):
        if self.config is not None:
            # always save this one
            self.config.WriteBool('Options/AutoSaveSettings', self.autoSaveSettings)
            if self.autoSaveSettings:
                self.config.WriteBool('Options/AutoSaveHistory', self.autoSaveHistory)
                self.config.WriteBool('Options/ExecStartupScript', self.execStartupScript)
            if self.autoSaveHistory:
                self.SaveHistory()



    def SaveHistory(self):
        if self.dataDir:
            try:
                name = os.path.join(self.dataDir, 'history')
                f = file(name, 'w')
                hist = '\x00\n'.join(self.shell.history)
                f.write(hist)
                f.close()
            except:
                d = wx.MessageDialog(self, "Error saving history file.",
                                     "Error", wx.ICON_EXCLAMATION)
                d.ShowModal()
                d.Destroy()
                raise

    def LoadHistory(self):
        if self.dataDir:
            name = os.path.join(self.dataDir, 'history')
            if os.path.exists(name):
                try:
                    f = file(name, 'U')
                    hist = f.read()
                    f.close()
                    self.shell.history = hist.split('\x00\n')
                    dispatcher.send(signal="Shell.loadHistory", history=self.shell.history)
                except:
                    d = wx.MessageDialog(self, "Error loading history file.",
                                         "Error", wx.ICON_EXCLAMATION)
                    d.ShowModal()
                    d.Destroy()


    def bufferHasChanged(self):
        # the shell buffers can always be saved
        return True

    def bufferSave(self):
        import time
        appname = wx.GetApp().GetAppName()
        default = appname + '-' + time.strftime("%Y%m%d-%H%M.py")
        fileName = wx.FileSelector("Save File As", "Saving",
                                  default_filename=default,
                                  default_extension="py",
                                  wildcard="*.py",
                                  flags = wx.SAVE | wx.OVERWRITE_PROMPT)
        if not fileName:
            return
        
        text = self.shell.GetText()

## This isn't working currently...
##         d = wx.MessageDialog(self,u'Save source code only?\nAnswering yes will only save lines starting with >>> and ...',u'Question', wx.YES_NO | wx.ICON_QUESTION)
##         yes_no = d.ShowModal()
##         if yes_no == wx.ID_YES:
##             m = re.findall('^[>\.]{3,3} (.*)\r', text, re.MULTILINE | re.LOCALE)
##             text = '\n'.join(m)
##         d.Destroy()

        try:
            f = open(fileName, "w")
            f.write(text)
            f.close()
        except:
            d = wx.MessageDialog(self, u'Error saving session',u'Error',
                                 wx.OK | wx.ICON_ERROR)
            d.ShowModal()
            d.Destroy()


    def EditStartupScript(self):
        if os.path.exists(self.startupScript):
            text = file(self.startupScript, 'U').read()
        else:
            text = ''

        dlg = EditStartupScriptDialog(self, self.startupScript, text)
        if dlg.ShowModal() == wx.ID_OK:
            text = dlg.GetText()
            try:
                f = file(self.startupScript, 'w')
                f.write(text)
                f.close()
            except:
                d = wx.MessageDialog(self, "Error saving startup file.",
                                     "Error", wx.ICON_EXCLAMATION)
                d.ShowModal()
                d.Destroy()



class EditStartupScriptDialog(wx.Dialog):
    def __init__(self, parent, fileName, text):
        wx.Dialog.__init__(self, parent, size=(425,350),
                           title="Edit Startup Script",
                           style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER)
        
        pst = wx.StaticText(self, -1, "Path:")
        ptx = wx.TextCtrl(self, -1, fileName, style=wx.TE_READONLY)
        self.editor = editwindow.EditWindow(self)
        self.editor.SetText(text)
        wx.CallAfter(self.editor.SetFocus)
        
        ok = wx.Button(self, wx.ID_OK)
        cancel = wx.Button(self, wx.ID_CANCEL)

        mainSizer = wx.BoxSizer(wx.VERTICAL)

        pthSizer = wx.BoxSizer(wx.HORIZONTAL)
        pthSizer.Add(pst, flag=wx.ALIGN_CENTER_VERTICAL)
        pthSizer.Add((5,5))
        pthSizer.Add(ptx, 1)
        mainSizer.Add(pthSizer, 0, wx.EXPAND|wx.ALL, 10)

        mainSizer.Add(self.editor, 1, wx.EXPAND|wx.LEFT|wx.RIGHT, 10)
        
        btnSizer = wx.BoxSizer(wx.HORIZONTAL)
        btnSizer.Add((5,5), 1)
        btnSizer.Add(ok)
        btnSizer.Add((5,5), 1)
        btnSizer.Add(cancel)
        btnSizer.Add((5,5), 1)
        mainSizer.Add(btnSizer, 0, wx.EXPAND|wx.ALL, 10)
        
        self.SetSizer(mainSizer)
        self.Layout()


    def GetText(self):
        return self.editor.GetText()