Enhanced FindWindow for variable window class names - Revision history

172.29.30.76 at 13:29, 12 February 2011

2011-02-12T13:29:28Z

â† Older revision		Revision as of 13:29, 12 February 2011
Line 10:		Line 10:
	Push "Application" # the known part of the class name		Push "Application" # the known part of the class name
	Call EnhancedFindWindow		Call EnhancedFindWindow
			Pop $0 # will contain the full wcn
	Pop $1 # will contain the window's handle		Pop $1 # will contain the window's handle
	~~Pop $0 # will contain the full wcn~~
	# both will contain "failed", if no matching class name was found		# both will contain "failed", if no matching class name was found
	</highlight-nsis>		</highlight-nsis>

172.29.30.67: /* Usage */ original pop result was reversed, fixed

2011-02-12T13:25:15Z

Usage: original pop result was reversed, fixed

â† Older revision		Revision as of 13:25, 12 February 2011
Line 10:		Line 10:
	Push "Application" # the known part of the class name		Push "Application" # the known part of the class name
	Call EnhancedFindWindow		Call EnhancedFindWindow
	Pop $0 # will contain the window's handle		Pop $1 # will contain the window's handle
	Pop $1 # will contain the full wcn		Pop $0 # will contain the full wcn
	# both will contain "failed", if no matching class name was found		# both will contain "failed", if no matching class name was found
	</highlight-nsis>		</highlight-nsis>

99.188.14.94: /* Introduction */

2009-04-06T22:25:58Z

Introduction

â† Older revision		Revision as of 22:25, 6 April 2009
Line 2:		Line 2:

	== Introduction ==		== Introduction ==
	Sometimes, you want to send messages to a window, that you don't know the full window class name (wcn) of, or it contains variables and you know the constant part. So you can't use FindWindow because it doesn't support ~~wildcars~~.		Sometimes, you want to send messages to a window, that you don't know the full window class name (wcn) of, or it contains variables and you know the constant part. So you can't use FindWindow because it doesn't support wildcards.
	This function doesn't too. But you can get the handle of any window, with only one known part of the wcn.		This function doesn't too. But you can get the handle of any window, with only one known part of the wcn.

87.180.69.165: /* Usage */

2007-09-20T23:59:17Z

Usage

â† Older revision		Revision as of 23:59, 20 September 2007
Line 11:		Line 11:
	Call EnhancedFindWindow		Call EnhancedFindWindow
	Pop $0 # will contain the window's handle		Pop $0 # will contain the window's handle
	Pop $1 # will ~~containg~~ the full wcn		Pop $1 # will contain the full wcn
	# both will contain "failed", if no matching class name was found		# both will contain "failed", if no matching class name was found
	</highlight-nsis>		</highlight-nsis>

87.180.69.165: /* Usage */

2007-09-20T23:58:59Z

Usage

â† Older revision		Revision as of 23:58, 20 September 2007
Line 12:		Line 12:
	Pop $0 # will contain the window's handle		Pop $0 # will contain the window's handle
	Pop $1 # will containg the full wcn		Pop $1 # will containg the full wcn
	# both will ~~containg~~ "failed", if no matching class name was found		# both will contain "failed", if no matching class name was found
	</highlight-nsis>		</highlight-nsis>

84.161.132.93: /* Introduction */

2006-04-20T17:27:53Z

Introduction

â† Older revision		Revision as of 17:27, 20 April 2006
Line 2:		Line 2:

	== Introduction ==		== Introduction ==
	Sometimes, you want to send messages to a window, that you don't know the full window class name (wcn) of, or it contains variables and you know the constant part. So you can't use FindWindow~~, that~~ doesn't support wildcars.		Sometimes, you want to send messages to a window, that you don't know the full window class name (wcn) of, or it contains variables and you know the constant part. So you can't use FindWindow because it doesn't support wildcars.
	This function doesn't too. But you can get the handle of any window, ~~whith~~ only one known part of the wcn.		This function doesn't too. But you can get the handle of any window, with only one known part of the wcn.

	== Usage ==		== Usage ==

84.161.132.93: /* Usage */

2006-04-20T17:27:14Z

Usage

â† Older revision		Revision as of 17:27, 20 April 2006
Line 6:		Line 6:

	== Usage ==		== Usage ==
	~~Simply call this function. At the moment, all variables are hardcoded, so you don't have to push anything. Maybe, i'll add this possibility later.~~
	<highlight-nsis>		<highlight-nsis>
	Push 0 # the starting offset of the push below		Push 0 # the starting offset of the push below

84.161.147.187: /* Usage */

2006-02-27T20:19:30Z

Usage

â† Older revision		Revision as of 20:19, 27 February 2006
Line 13:		Line 13:
	Pop $0 # will contain the window's handle		Pop $0 # will contain the window's handle
	Pop $1 # will containg the full wcn		Pop $1 # will containg the full wcn
	# both will containg "failed", if no matching ~~wcn~~ was found		# both will containg "failed", if no matching class name was found
	</highlight-nsis>		</highlight-nsis>

84.161.147.187: /* Usage */ corrected

2006-02-27T20:09:06Z

Usage: corrected

â† Older revision		Revision as of 20:09, 27 February 2006
Line 8:		Line 8:
	Simply call this function. At the moment, all variables are hardcoded, so you don't have to push anything. Maybe, i'll add this possibility later.		Simply call this function. At the moment, all variables are hardcoded, so you don't have to push anything. Maybe, i'll add this possibility later.
	<highlight-nsis>		<highlight-nsis>
	Push ~~"Application"~~ # the ~~known part~~ of the ~~wcn~~		Push 0 # the starting offset of the push below
	Push 0 # the ~~starting offset~~ of the ~~upper push~~		Push "Application" # the known part of the class name
	Call EnhancedFindWindow		Call EnhancedFindWindow
	Pop $0 # will contain the window's handle		Pop $0 # will contain the window's handle

84.161.147.187: reworked complete function, should now do what it was intended to do :)

2006-02-27T20:08:24Z

reworked complete function, should now do what it was intended to do :)

â† Older revision		Revision as of 20:08, 27 February 2006
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	Function EnhancedFindWindow		Function EnhancedFindWindow
	; input, save variables		; input, save variables
	Exch $0 # part of the ~~wcn~~ to search for		Exch $0 # part of the class name to search for
	Exch		Exch
	Exch $1 # starting offset		Exch $1 # starting offset
	Push $2 # length of $0		Push $2 # length of $0
	Push $3 ~~# return code~~		Push $3 # window handle
	~~Push $4~~ # window handle		Push $4 # class name
	Push $5 # ~~returned~~ class name		Push $5 # temp
	Push $6 # ~~max length of $5~~

	; set up the variables		; set up the variables
	~~SetPluginUnload alwaysoff # recommended, if u're using the \~~		StrCpy $4 0
	~~system plugin~~		StrLen $2 $0
	StrCpy $4 0 ~~# FindWindow wouldn't work without~~
	~~StrCpy~~ $2 $~~{NSIS_MAX_STRLEN} # the max length of string variables~~
	~~StrLen $5 $4 # it's length~~

	; loop to search for open windows		; loop to search for open windows
	search_loop:		search_loop:
	FindWindow $4 "" "" 0 $4		FindWindow $3 "" "" 0 $3
	IntCmp $4 0 search_failed		IntCmp $3 0 search_failed
	IsWindow $4 0 ~~search_failed~~		IsWindow $3 0 search_loop
	System::Call \		System::Call 'user32.dll::GetClassName(i r3, t .r4, i ${NSIS_MAX_STRLEN}) i .n'
	'user32.dll::GetClassName(i, t, *i) i~~(r4r4, .r5, r6r6)~~ .r3'		StrCmp $4 0 search_loop
	~~IntCmp~~ $3 0 search_loop		StrCpy $5 $4 $2 $1
	~~StrCpy $3 $5~~		StrCmp $0 $5 search_end search_loop
	StrCpy $5 $5 $2 $1
	StrCmp $0 $5 search_end search_loop

	; no matching class-name found, return "failed"		; no matching class-name found, return "failed"
	search_failed:		search_failed:
			StrCpy $3 "failed"
	StrCpy $4 "failed"		StrCpy $4 "failed"
	~~StrCpy $3 "failed"~~

	; search ended, output and restore variables		; search ended, output and restore variables
	search_end:		search_end:
	~~SetPluginUnload manual # the system-plugin can now unload itself~~
	~~System::Free 0 # free the memory~~

	StrCpy $1 $3		StrCpy $1 $3
	StrCpy $0 $4		StrCpy $0 $4
	~~Pop $6~~
	Pop $5		Pop $5
	Pop $4		Pop $4