321 lines
10 KiB
Python
321 lines
10 KiB
Python
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# -*- coding: latin-1 -*-
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# PyWin32 Internet Explorer Toolbar
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#
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# written by Leonard Ritter (paniq@gmx.net)
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# and Robert F<>rtsch (info@robert-foertsch.com)
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"""
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This sample implements a simple IE Toolbar COM server
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supporting Windows XP styles and access to
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the IWebBrowser2 interface.
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It also demonstrates how to hijack the parent window
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to catch WM_COMMAND messages.
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"""
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# imports section
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import sys, os
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from win32com import universal
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from win32com.client import gencache, DispatchWithEvents, Dispatch
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from win32com.client import constants, getevents
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import win32com
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import pythoncom
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import winreg
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from win32com.shell import shell
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from win32com.shell.shellcon import *
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from win32com.axcontrol import axcontrol
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try:
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# try to get styles (winxp)
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import winxpgui as win32gui
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except:
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# import default module (win2k and lower)
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import win32gui
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import win32ui
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import win32con
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import commctrl
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import array, struct
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# ensure we know the ms internet controls typelib so we have access to IWebBrowser2 later on
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win32com.client.gencache.EnsureModule('{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}',0,1,1)
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#
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IDeskBand_methods = ['GetBandInfo']
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IDockingWindow_methods = ['ShowDW','CloseDW','ResizeBorderDW']
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IOleWindow_methods = ['GetWindow','ContextSensitiveHelp']
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IInputObject_methods = ['UIActivateIO','HasFocusIO','TranslateAcceleratorIO']
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IObjectWithSite_methods = ['SetSite','GetSite']
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IPersistStream_methods = ['GetClassID','IsDirty','Load','Save','GetSizeMax']
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_ietoolbar_methods_ = IDeskBand_methods + IDockingWindow_methods + \
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IOleWindow_methods + IInputObject_methods + \
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IObjectWithSite_methods + IPersistStream_methods
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_ietoolbar_com_interfaces_ = [
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shell.IID_IDeskBand, # IDeskBand
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axcontrol.IID_IObjectWithSite, # IObjectWithSite
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pythoncom.IID_IPersistStream,
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axcontrol.IID_IOleCommandTarget,
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]
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class WIN32STRUCT:
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def __init__(self, **kw):
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full_fmt = ""
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for name, fmt, default in self._struct_items_:
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self.__dict__[name] = None
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if fmt == "z":
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full_fmt += "pi"
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else:
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full_fmt += fmt
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for name, val in kw.items():
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self.__dict__[name] = val
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def __setattr__(self, attr, val):
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if not attr.startswith("_") and attr not in self.__dict__:
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raise AttributeError(attr)
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self.__dict__[attr] = val
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def toparam(self):
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self._buffs = []
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full_fmt = ""
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vals = []
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for name, fmt, default in self._struct_items_:
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val = self.__dict__[name]
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if fmt == "z":
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fmt = "Pi"
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if val is None:
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vals.append(0)
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vals.append(0)
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else:
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str_buf = array.array("c", val+'\0')
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vals.append(str_buf.buffer_info()[0])
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vals.append(len(val))
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self._buffs.append(str_buf) # keep alive during the call.
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else:
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if val is None:
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val = default
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vals.append(val)
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full_fmt += fmt
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return struct.pack(*(full_fmt,) + tuple(vals))
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class TBBUTTON(WIN32STRUCT):
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_struct_items_ = [
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("iBitmap", "i", 0),
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("idCommand", "i", 0),
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("fsState", "B", 0),
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("fsStyle", "B", 0),
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("bReserved", "H", 0),
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("dwData", "I", 0),
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("iString", "z", None),
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]
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class Stub:
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"""
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this class serves as a method stub,
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outputting debug info whenever the object
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is being called.
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"""
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def __init__(self,name):
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self.name = name
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def __call__(self,*args):
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print('STUB: ',self.name,args)
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class IEToolbarCtrl:
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"""
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a tiny wrapper for our winapi-based
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toolbar control implementation.
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"""
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def __init__(self,hwndparent):
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styles = win32con.WS_CHILD \
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| win32con.WS_VISIBLE \
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| win32con.WS_CLIPSIBLINGS \
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| win32con.WS_CLIPCHILDREN \
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| commctrl.TBSTYLE_LIST \
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| commctrl.TBSTYLE_FLAT \
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| commctrl.TBSTYLE_TRANSPARENT \
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| commctrl.CCS_TOP \
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| commctrl.CCS_NODIVIDER \
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| commctrl.CCS_NORESIZE \
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| commctrl.CCS_NOPARENTALIGN
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self.hwnd = win32gui.CreateWindow('ToolbarWindow32', None, styles,
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0, 0, 100, 100,
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hwndparent, 0, win32gui.dllhandle,
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None)
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win32gui.SendMessage(self.hwnd, commctrl.TB_BUTTONSTRUCTSIZE, 20, 0)
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def ShowWindow(self,mode):
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win32gui.ShowWindow(self.hwnd,mode)
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def AddButtons(self,*buttons):
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tbbuttons = ''
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for button in buttons:
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tbbuttons += button.toparam()
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return win32gui.SendMessage(self.hwnd, commctrl.TB_ADDBUTTONS,
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len(buttons), tbbuttons)
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def GetSafeHwnd(self):
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return self.hwnd
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class IEToolbar:
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"""
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The actual COM server class
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"""
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_com_interfaces_ = _ietoolbar_com_interfaces_
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_public_methods_ = _ietoolbar_methods_
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_reg_clsctx_ = pythoncom.CLSCTX_INPROC_SERVER
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# if you copy and modify this example, be sure to change the clsid below
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_reg_clsid_ = "{F21202A2-959A-4149-B1C3-68B9013F3335}"
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_reg_progid_ = "PyWin32.IEToolbar"
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_reg_desc_ = 'PyWin32 IE Toolbar'
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def __init__( self ):
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# put stubs for non-implemented methods
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for method in self._public_methods_:
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if not hasattr(self,method):
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print('providing default stub for %s' % method)
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setattr(self,method,Stub(method))
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def GetWindow(self):
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return self.toolbar.GetSafeHwnd()
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def Load(self, stream):
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# called when the toolbar is loaded
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pass
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def Save(self, pStream, fClearDirty):
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# called when the toolbar shall save its information
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pass
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def CloseDW(self, dwReserved):
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del self.toolbar
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def ShowDW(self, bShow):
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if bShow:
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self.toolbar.ShowWindow(win32con.SW_SHOW)
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else:
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self.toolbar.ShowWindow(win32con.SW_HIDE)
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def on_first_button(self):
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print("first!")
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self.webbrowser.Navigate2('http://starship.python.net/crew/mhammond/')
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def on_second_button(self):
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print("second!")
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def on_third_button(self):
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print("third!")
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def toolbar_command_handler(self,args):
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hwnd,message,wparam,lparam,time,point = args
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if lparam == self.toolbar.GetSafeHwnd():
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self._command_map[wparam]()
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def SetSite(self,unknown):
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if unknown:
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# retrieve the parent window interface for this site
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olewindow = unknown.QueryInterface(pythoncom.IID_IOleWindow)
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# ask the window for its handle
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hwndparent = olewindow.GetWindow()
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# first get a command target
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cmdtarget = unknown.QueryInterface(axcontrol.IID_IOleCommandTarget)
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# then travel over to a service provider
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serviceprovider = cmdtarget.QueryInterface(pythoncom.IID_IServiceProvider)
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# finally ask for the internet explorer application, returned as a dispatch object
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self.webbrowser = win32com.client.Dispatch(serviceprovider.QueryService('{0002DF05-0000-0000-C000-000000000046}',pythoncom.IID_IDispatch))
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# now create and set up the toolbar
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self.toolbar = IEToolbarCtrl(hwndparent)
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buttons = [
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('Visit PyWin32 Homepage',self.on_first_button),
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('Another Button', self.on_second_button),
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('Yet Another Button', self.on_third_button),
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]
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self._command_map = {}
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# wrap our parent window so we can hook message handlers
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window = win32ui.CreateWindowFromHandle(hwndparent)
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# add the buttons
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for i in range(len(buttons)):
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button = TBBUTTON()
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name,func = buttons[i]
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id = 0x4444+i
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button.iBitmap = -2
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button.idCommand = id
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button.fsState = commctrl.TBSTATE_ENABLED
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button.fsStyle = commctrl.TBSTYLE_BUTTON
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button.iString = name
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self._command_map[0x4444+i] = func
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self.toolbar.AddButtons(button)
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window.HookMessage(self.toolbar_command_handler,win32con.WM_COMMAND)
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else:
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# lose all references
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self.webbrowser = None
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def GetClassID(self):
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return self._reg_clsid_
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def GetBandInfo(self, dwBandId, dwViewMode, dwMask):
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ptMinSize = (0,24)
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ptMaxSize = (2000,24)
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ptIntegral = (0,0)
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ptActual = (2000,24)
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wszTitle = 'PyWin32 IE Toolbar'
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dwModeFlags = DBIMF_VARIABLEHEIGHT
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crBkgnd = 0
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return (ptMinSize,ptMaxSize,ptIntegral,ptActual,wszTitle,dwModeFlags,crBkgnd)
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# used for HKLM install
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def DllInstall( bInstall, cmdLine ):
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comclass = IEToolbar
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# register plugin
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def DllRegisterServer():
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comclass = IEToolbar
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# register toolbar with IE
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try:
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print("Trying to register Toolbar.\n")
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hkey = winreg.CreateKey( winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Internet Explorer\\Toolbar" )
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subKey = winreg.SetValueEx( hkey, comclass._reg_clsid_, 0, winreg.REG_BINARY, "\0" )
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except WindowsError:
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print("Couldn't set registry value.\nhkey: %d\tCLSID: %s\n" % ( hkey, comclass._reg_clsid_ ))
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else:
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print("Set registry value.\nhkey: %d\tCLSID: %s\n" % ( hkey, comclass._reg_clsid_ ))
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# TODO: implement reg settings for standard toolbar button
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# unregister plugin
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def DllUnregisterServer():
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comclass = IEToolbar
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# unregister toolbar from internet explorer
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try:
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print("Trying to unregister Toolbar.\n")
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hkey = winreg.CreateKey( winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Internet Explorer\\Toolbar" )
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winreg.DeleteValue( hkey, comclass._reg_clsid_ )
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except WindowsError:
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print("Couldn't delete registry value.\nhkey: %d\tCLSID: %s\n" % ( hkey, comclass._reg_clsid_ ))
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else:
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print("Deleting reg key succeeded.\n")
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# entry point
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if __name__ == '__main__':
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import win32com.server.register
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win32com.server.register.UseCommandLine( IEToolbar )
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# parse actual command line option
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if "--unregister" in sys.argv:
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DllUnregisterServer()
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else:
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DllRegisterServer()
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else:
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# import trace utility for remote debugging
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import win32traceutil
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