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Added uninstall code for Bug #3526457

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1857 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-05-16 10:54:34 +00:00
parent f686a6d568
commit 5cb3f910a7
2 changed files with 67 additions and 1 deletions
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2
Greenshot/releases/additional_files/readme.txt
View file

@ -3,7 +3,7 @@ Greenshot: A screenshot tool optimized for productivity. Save a screenshot or a
CHANGE LOG:
1.0.0 build 1852
1.0.0 build 1858 (Unstable, meaning we are in testing fase and haven't released yet)
We changed the version to 1.0.0, after 5 year the version should no longer have a "beta" feeling!

66
Greenshot/releases/innosetup/setup.iss
View file

@ -211,6 +211,72 @@ Name: "languages\zhCN"; Description: "简体中文"; Types: Full; Check: hasLang
Name: "languages\zhTW"; Description: "繁體中文"; Types: Full; Check: hasLanguageGroup('9')
[Code]
/////////////////////////////////////////////////////////////////////
// The following uninstall code was found at:
// http://stackoverflow.com/questions/2000296/innosetup-how-to-automatically-uninstall-previous-installed-version
/////////////////////////////////////////////////////////////////////
function GetUninstallString(): String;
var
sUnInstPath: String;
sUnInstallString: String;
begin
sUnInstPath := ExpandConstant('Software\Microsoft\Windows\CurrentVersion\Uninstall\{#emit SetupSetting("AppId")}_is1');
sUnInstallString := '';
// Retrieve uninstall string from HKLM or HKCU
if not RegQueryStringValue(HKLM, sUnInstPath, 'UninstallString', sUnInstallString) then
RegQueryStringValue(HKCU, sUnInstPath, 'UninstallString', sUnInstallString);
Result := sUnInstallString;
end;
/////////////////////////////////////////////////////////////////////
function IsUpgrade(): Boolean;
begin
Result := (GetUninstallString() <> '');
end;
/////////////////////////////////////////////////////////////////////
function UnInstallOldVersion(): Integer;
var
sUnInstallString: String;
iResultCode: Integer;
begin
// Return Values:
// 1 - uninstall string is empty
// 2 - error executing the UnInstallString
// 3 - successfully executed the UnInstallString
// default return value
Result := 0;
// get the uninstall string of the old app
sUnInstallString := GetUninstallString();
if sUnInstallString <> '' then
begin
sUnInstallString := RemoveQuotes(sUnInstallString);
if Exec(sUnInstallString, '/SILENT /NORESTART /SUPPRESSMSGBOXES','', SW_HIDE, ewWaitUntilTerminated, iResultCode) then
Result := 3
else
Result := 2;
end else
Result := 1;
end;
/////////////////////////////////////////////////////////////////////
procedure CurStepChanged(CurStep: TSetupStep);
begin
if (CurStep=ssInstall) then
begin
if (IsUpgrade()) then
begin
UnInstallOldVersion();
end;
end;
end;
/////////////////////////////////////////////////////////////////////
// End of unstall code
/////////////////////////////////////////////////////////////////////
// Build a list of greenshot parameters from the supplied installer parameters
function GetParamsForGS(argument: String): String;
var