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Windows Installer Path Modification (#1536) 

* innosetup: installation path to environment task

Also set the uninstall icon shown on add/remove programs.

* Improved path description.

---------

Co-authored-by: jgmdev <jgmdev@gmail.com>
This commit is contained in:
Adam 2023-06-22 18:03:51 -04:00 committed by George Sokianos
parent f820b9301f
commit eb306a2ff0
1 changed files with 64 additions and 0 deletions
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64
scripts/innosetup/innosetup.iss.in
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@ -57,9 +57,13 @@ OutputBaseFilename=LiteXL-{#MyAppVersion}-{#ArchInternal}-setup
LicenseFile={#SourceDir}/LICENSE
SetupIconFile={#SourceDir}/resources/icons/icon.ico
UninstallDisplayIcon={app}\{#MyAppExeName}, 0
WizardImageFile="{#SourceDir}/scripts/innosetup/wizard-modern-image.bmp"
WizardSmallImageFile="{#SourceDir}/scripts/innosetup/litexl-55px.bmp"
; Required for the add to path option to refresh environment
ChangesEnvironment=yes
[Languages]
Name: "english"; MessagesFile: "compiler:Default.isl"
@ -67,6 +71,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
Name: "quicklaunchicon"; Description: "{cm:CreateQuickLaunchIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked; OnlyBelowVersion: 6.1; Check: not IsAdminInstallMode
Name: "portablemode"; Description: "Portable Mode"; Flags: unchecked
Name: "envPath"; Description: "Add lite-xl to the PATH variable, allowing it to be run from a command line."
[Files]
Source: "{#SourceDir}/lite-xl/*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs
@ -95,3 +100,62 @@ Filename: "{app}/{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#StringChang
[Setup]
Uninstallable=not WizardIsTaskSelected('portablemode')
; Code to add installation path to environment taken from:
; https://stackoverflow.com/a/46609047
[Code]
const EnvironmentKey = 'SYSTEM\CurrentControlSet\Control\Session Manager\Environment';
procedure EnvAddPath(Path: string);
var
Paths: string;
begin
{ Retrieve current path (use empty string if entry not exists) }
if not RegQueryStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths)
then Paths := '';
{ Skip if string already found in path }
if Pos(';' + Uppercase(Path) + ';', ';' + Uppercase(Paths) + ';') > 0 then exit;
{ App string to the end of the path variable }
Paths := Paths + ';'+ Path +';'
{ Overwrite (or create if missing) path environment variable }
if RegWriteStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths)
then Log(Format('The [%s] added to PATH: [%s]', [Path, Paths]))
else Log(Format('Error while adding the [%s] to PATH: [%s]', [Path, Paths]));
end;
procedure EnvRemovePath(Path: string);
var
Paths: string;
P: Integer;
begin
{ Skip if registry entry not exists }
if not RegQueryStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths) then
exit;
{ Skip if string not found in path }
P := Pos(';' + Uppercase(Path) + ';', ';' + Uppercase(Paths) + ';');
if P = 0 then exit;
{ Update path variable }
Delete(Paths, P - 1, Length(Path) + 1);
{ Overwrite path environment variable }
if RegWriteStringValue(HKEY_LOCAL_MACHINE, EnvironmentKey, 'Path', Paths)
then Log(Format('The [%s] removed from PATH: [%s]', [Path, Paths]))
else Log(Format('Error while removing the [%s] from PATH: [%s]', [Path, Paths]));
end;
procedure CurStepChanged(CurStep: TSetupStep);
begin
if (CurStep = ssPostInstall) and WizardIsTaskSelected('envPath')
then EnvAddPath(ExpandConstant('{app}'));
end;
procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
begin
if CurUninstallStep = usPostUninstall
then EnvRemovePath(ExpandConstant('{app}'));
end;