extension module called wx.activex. Lots of demo and lib updates to go along with it. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26301 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			212 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			212 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
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#---------------------------------------------------------------------------
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# Some helper and utility functions for ActiveX
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t4 = " " * 4
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t8 = " " * 8
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def GetAXInfo(ax):
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    """
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    Returns a printable summary of the TypeInfo from the ActiveX instance
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    passed in.
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    """
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    def ProcessFuncX(f, out, name):
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        out.append(name)
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        out.append(t4 + "retType:  %s" % f.retType.vt_type)
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        if f.params:
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            out.append(t4 + "params:")
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            for p in f.params:
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                out.append(t8 + p.name)
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                out.append(t8+t4+ "in:%s  out:%s  optional:%s  type:%s" % (p.isIn, p.isOut, p.isOptional, p.vt_type))
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        out.append('')
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    def ProcessPropX(p, out):
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        out.append(GernerateAXModule.trimPropName(p.name))
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        out.append(t4+ "type:%s  arg:%s  canGet:%s  canSet:%s" % (p.type.vt_type, p.arg.vt_type, p.canGet, p.canSet))
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        out.append('')
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    out = []
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    out.append("PROPERTIES")
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    out.append("-"*20)
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    for p in ax.GetAXProperties():
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        ProcessPropX(p, out)
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    out.append('\n\n')
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    out.append("METHODS")
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    out.append("-"*20)
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    for m in ax.GetAXMethods():
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        ProcessFuncX(m, out, GernerateAXModule.trimMethodName(m.name))
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    out.append('\n\n')
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    out.append("EVENTS")
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    out.append("-"*20)
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    for e in ax.GetAXEvents():
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        ProcessFuncX(e, out, GernerateAXModule.trimEventName(e.name))
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    out.append('\n\n')
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    return "\n".join(out)
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class GernerateAXModule:
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    def __init__(self, ax, className, modulePath, moduleName=None, verbose=False):
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        """
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        Make a Python module file with a class that has been specialized
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        for the AcitveX object.
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            ax           An instance of the ActiveXWindow class
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            className    The name to use for the new class
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            modulePath   The path where the new module should be written to
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            moduleName   The name of the .py file to create.  If not given
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                         then the className will be used.
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        """
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        import os
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        if moduleName is None:
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            moduleName = className + '.py'
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        filename = os.path.join(modulePath, moduleName)
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        if verbose:
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            print "Creating module in:", filename
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            print "  ProgID:  ", ax.GetCLSID().GetProgIDString()
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            print "  CLSID:   ", ax.GetCLSID().GetCLSIDString()
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            print
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        self.mf = file(filename, "w")
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        self.WriteFileHeader(ax)
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        self.WriteEvents(ax)
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        self.WriteClassHeader(ax, className)
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        self.WriteMethods(ax)
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        self.WriteProperties(ax)
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        self.WriteDocs(ax)
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        self.mf.close()
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        del self.mf
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    def WriteFileHeader(self, ax):
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        self.write("# This module was generated by the wx.activex.GernerateAXModule class\n"
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                   "# (See also the genaxmodule script.)\n")
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        self.write("import wx")
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        self.write("import wx.activex\n")
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        self.write("clsID = '%s'\nprogID = '%s'\n"
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                   % (ax.GetCLSID().GetCLSIDString(), ax.GetCLSID().GetProgIDString()))
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        self.write("\n")
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    def WriteEvents(self, ax):
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        events = ax.GetAXEvents()
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        if events:
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            self.write("# Create eventTypes and event binders")
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            for e in events:
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                self.write("wxEVT_%s = wx.activex.RegisterActiveXEvent('%s')"
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                           % (self.trimEventName(e.name), e.name))
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            self.write()
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            for e in events:
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                n = self.trimEventName(e.name)
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                self.write("EVT_%s = wx.PyEventBinder(wxEVT_%s, 1)" % (n,n))
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            self.write("\n")
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    def WriteClassHeader(self, ax, className):
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        self.write("# Derive a new class from ActiveXWindow")
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        self.write("""\
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class %s(wx.activex.ActiveXWindow):
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    def __init__(self, parent, ID=-1, pos=wx.DefaultPosition,
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                 size=wx.DefaultSize, style=0, name='%s'):
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        wx.activex.ActiveXWindow.__init__(self, parent,
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            wx.activex.CLSID('%s'),
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            ID, pos, size, style, name)
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        """ % (className, className, ax.GetCLSID().GetCLSIDString()) )
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    def WriteMethods(self, ax):
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        methods = ax.GetAXMethods()
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        if methods:
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            self.write(t4, "# Methods exported by the ActiveX object")
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            for m in methods:
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                name = self.trimMethodName(m.name)
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                self.write(t4, "def %s(self%s):" % (name, self.getParameters(m, True)))
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                self.write(t8, "return self.CallAXMethod('%s'%s)" % (m.name, self.getParameters(m, False)))
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                self.write()
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    def WriteProperties(self, ax):
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        props = ax.GetAXProperties()
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        if props:
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            self.write(t4, "# Getters, Setters and properties")
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            for p in props:
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                getterName = setterName = "None"
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                if p.canGet:
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                    getterName = "_get_" + p.name
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                    self.write(t4, "def %s(self):" % getterName)
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                    self.write(t8, "return self.GetAXProp('%s')" % p.name)
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                if p.canSet:
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                    setterName = "_set_" + p.name
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                    self.write(t4, "def %s(self, %s):" % (setterName, p.arg.name))
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                    self.write(t8, "self.SetAXProp('%s', %s)" % (p.name, p.arg.name))
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                self.write(t4, "%s = property(%s, %s)" %
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                           (self.trimPropName(p.name), getterName, setterName))
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                self.write()
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    def WriteDocs(self, ax):
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        self.write()
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        doc = GetAXInfo(ax)
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        for line in doc.split('\n'):
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            self.write("#  ", line)
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    def write(self, *args):
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        for a in args:
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            self.mf.write(a)
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        self.mf.write("\n")
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    def trimEventName(name):
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        if name.startswith("On"):
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            name = name[2:]
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        return name
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    trimEventName = staticmethod(trimEventName)
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    def trimPropName(name):
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        #name = name[0].lower() + name[1:]
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        name = name.lower()
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        import keyword
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        if name in keyword.kwlist: name += '_'
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        return name
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    trimPropName = staticmethod(trimPropName)
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    def trimMethodName(name):
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        import keyword
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        if name in keyword.kwlist: name += '_'
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        return name
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    trimMethodName = staticmethod(trimMethodName)
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    def getParameters(self, m, withDefaults):
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        import keyword
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        st = ""
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        # collect the input parameters, if both isIn and isOut are
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        # False then assume it is an input paramater
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        params = []
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        for p in m.params:
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            if p.isIn or (not p.isIn and not p.isOut):
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                params.append(p)
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        # did we get any?
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        for p in params:
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            name = p.name
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            if name in keyword.kwlist: name += '_'
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            st += ", "
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            st += name
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            if withDefaults and p.isOptional:
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                st += '=None'
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        return st
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#---------------------------------------------------------------------------
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