2006-11-04 14:28:11 +00:00
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/*
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Installer and uninstaller initialization
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*/
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;--------------------------------
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;Functions
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Function CommandLineParameter
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Exch $R0
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Push $R1
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Push $R2
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StrLen $R1 $R0
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Push $CMDLINE
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Push $R0
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Call StrStr
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Pop $R2
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StrCpy $R2 $R2 $R1
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${if} $R2 == $R0
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StrCpy $R0 ${TRUE}
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${else}
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StrCpy $R0 ${FALSE}
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${endif}
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Push $R2
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Push $R1
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Exch $R0
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FunctionEnd
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Function .onInit
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${unless} ${silent}
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Banner::show /NOUNLOAD "Checking system"
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${endif}
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;Check all dependencies
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Call CheckWindows
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Call CheckPrivileges
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Call LoadInstaller
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Call SearchAll
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${unless} ${silent}
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Banner::destroy
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${endif}
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FunctionEnd
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Function un.onInit
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Call un.CheckPrivileges
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Call un.LoadUnInstaller
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FunctionEnd
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Function LoadInstaller
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;Set the correct shell context depending on command line parameter
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;and priviledges
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Push $R0
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Push "/CurrentUser"
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Call CommandLineParameter
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Pop $CurrentUserInstall
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${if} $CurrentUserInstall == ${TRUE}
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SetShellVarContext current
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${else}
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${if} $AdminOrPowerUser == ${TRUE}
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SetShellVarContext all
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${else}
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;Display an error when the /AllUsers command line parameter is used
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;by a user without Administrator or Power User priviledges
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Push "/AllUsers"
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Call CommandLineParameter
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Pop $R0
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${if} $R0 == ${TRUE}
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MessageBox MB_OK|MB_ICONSTOP "You need Administrator or Power User privileges to install ${APP_NAME} for all users."
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Quit
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${endif}
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SetShellVarContext current
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2006-11-05 22:37:44 +00:00
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StrCpy $CurrentUserInstall ${TRUE}
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2006-11-04 14:28:11 +00:00
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${endif}
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${endif}
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${if} ${silent}
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Call InitUser
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${endif}
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Pop $R0
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FunctionEnd
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Function un.LoadUnInstaller
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;Set the correct shell context depending on whether LyX has been installed
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;for the current user or all users
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ReadRegStr $R0 HKCU ${APP_REGKEY} ""
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${if} $R0 == $INSTDIR
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StrCpy $CurrentUserInstall ${TRUE}
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${endif}
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${if} $CurrentUserInstall == ${TRUE}
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SetShellVarContext current
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${else}
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${if} $AdminOrPowerUser == ${FALSE}
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MessageBox MB_OK|MB_ICONSTOP "${APP_NAME} has been installed for all users. Therefore you need Administrator or Power User privileges to uninstall."
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Quit
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${else}
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SetShellVarContext all
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${endif}
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${endif}
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FunctionEnd
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