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; This script generates an installer for a Winamp 2.x / 5.x plug-in.

;

; The installer will automatically close Winamp if it's running and then if

; successful, ask the user whether or not they would like to run Winamp with

; the newly installed plug-in.

;

; This is a single section installer but is easily altered for multiple

; sections and is based of the original Winamp installer script but tweaked

; to be easier to use i think :o)



;--------------------------------



; Header Files

; not used in this case but handy when scaling up to multiple sections

; !include "Sections.nsh"



; common defines for a generic DrO installer :o)

!define VERSION "0.35"

!define ALT_VER "035"

!define PLUG "in_vgm"

!define PLUG_ALT "in_vgm"

!define PLUG_FILE "in_vgm"

!define DEMO_FILE_1 "VGM - Streets of Rage - The Street of Rage.vgz"

!define DEMO_FILE_2 "VGM - Space Harrier Main Theme demo.vgz"



; use lzma compression

SetCompressor lzma



; The name of the installer based on the filename and version

Name "${PLUG} v${VERSION}"



; The file to write based on the filename and version

OutFile "${PLUG_ALT}_${ALT_VER}.exe"

; you could alter it to output you plugin installers into a common location

; to make it easier to maintain them

; OutFile "../_Installers/${PLUG_ALT}_v${ALT_VER}.exe"



; The default installation directory

InstallDir $PROGRAMFILES\Winamp

InstProgressFlags smooth



; detect Winamp path from uninstall string if available

InstallDirRegKey HKLM \

          "Software\Microsoft\Windows\CurrentVersion\Uninstall\Winamp" \

          "UninstallString"



; The text to prompt the user to enter a directory

DirText "Please select your Winamp path below (you will be able to proceed when Winamp is detected):"



; automatically close the installer when done.

AutoCloseWindow true



; adds xp style support

XPStyle on



; hide the "show details" box

ShowInstDetails nevershow



;--------------------------------



;Pages



PageEx directory

Caption " "

PageExEnd



; enable this line if you have extra sections and want to choose what's

; installed

Page components



Page instfiles



;--------------------------------



; CloseWinamp: this will in a loop send the Winamp window the WM_CLOSE

; message until it does not find a valid Winamp window

; (should really protect against Winamp failing to exit!)

;

Function CloseWinamp

  Push $5

  loop:

    FindWindow $5 "Winamp v1.x"

    IntCmp $5 0 done

    SendMessage $5 16 0 0

    Sleep 100

    Goto loop

  done:

  Pop $5

FunctionEnd





; The stuff to install

Section "!in_vgm plugin"

  ; attempt to close Winamp if it's running

  Call CloseWinamp

  ; add a small delay to allow any file operations to happen once Winamp

  ; is closed

  Sleep 100



  SetOverwrite on



  SetOutPath "$INSTDIR\Plugins"

  ; File to extract

  File "${PLUG_FILE}.dll"

  File "${PLUG_FILE}.html"



  SetOverwrite off

SectionEnd



Section "Example VGM files"

  SetOutPath "$INSTDIR"

  ; File to extract

  File "${DEMO_FILE_1}"

  File "${DEMO_FILE_2}"

SectionEnd



;--------------------------------



; Success, now prompt the user if they want to run Winamp again

Function .onInstSuccess

  MessageBox MB_YESNO \

             '${PLUG} was installed. Do you want to run Winamp now?' \

	           IDNO end



  IfFileExists "$INSTDIR\${DEMO_FILE_1}" demo nodemo



demo:

  ExecShell open "$INSTDIR\Winamp.exe" "$\"$INSTDIR\${DEMO_FILE_1}$\" $\"$INSTDIR\${DEMO_FILE_2}$\""

  goto end

nodemo:

  ExecShell open "$INSTDIR\Winamp.exe"

end:

FunctionEnd



; here we check to see if this a valid location ie is there a Winamp.exe

; in the directory?

Function .onVerifyInstDir

  ;Check for Winamp installation

  IfFileExists $INSTDIR\Winamp.exe Good

    Abort

  Good:

FunctionEnd