Inno Setup中序列号的CustomPage

Question

如何使用序列号的编辑框在Inno Setup中创建CustomPage？例如6x5chars还是7x5chars？

在下一个按钮可用之前,脚本应检查是否所有框都已填满.

如果可以实现复制/粘贴功能,如果剪贴板内容与序列号模式匹配,则可以填充所有编辑框,这也是很好的.

Answer 1

这是一种使用自定义页面的方法,其中创建了单独的编辑框.您只需要指定SC_EDITCOUNT定义编辑框数量的常量的值,以及SC_CHARCOUNT可以在这些编辑框中输入的字符数.如果您在第一个编辑框中,您可以粘贴整个序列号,如果它的格式是由-char(TryPasteSerialNumber此处的函数)分隔的模式.要从编辑框中获取序列号,只需调用GetSerialNumber您可以指定输出格式的分隔符(如果需要).

[Setup]
AppName=Serial number project
AppVersion=1.0
DefaultDirName={pf}\Serial number project

[code]
function SetFocus(hWnd: HWND): HWND;
  external 'SetFocus@user32.dll stdcall';
function OpenClipboard(hWndNewOwner: HWND): BOOL;
  external 'OpenClipboard@user32.dll stdcall';
function GetClipboardData(uFormat: UINT): THandle;
  external 'GetClipboardData@user32.dll stdcall';
function CloseClipboard: BOOL;
  external 'CloseClipboard@user32.dll stdcall';
function GlobalLock(hMem: THandle): PAnsiChar;
  external 'GlobalLock@kernel32.dll stdcall';
function GlobalUnlock(hMem: THandle): BOOL;
  external 'GlobalUnlock@kernel32.dll stdcall';

var
  SerialPage: TWizardPage;
  SerialEdits: array of TEdit;

const
  CF_TEXT = 1;
  VK_BACK = 8;
  SC_EDITCOUNT = 6;
  SC_CHARCOUNT = 5;
  SC_DELIMITER = '-';

function IsValidInput: Boolean;
var
  I: Integer;
begin
  Result := True;
  for I := 0 to GetArrayLength(SerialEdits) - 1 do
    if Length(SerialEdits[I].Text) < SC_CHARCOUNT then
    begin
      Result := False;
      Break;
    end;
end;

function GetClipboardText: string;
var
  Data: THandle;
begin
  Result := '';
  if OpenClipboard(0) then
  try
    Data := GetClipboardData(CF_TEXT);
    if Data <> 0 then
      Result := String(GlobalLock(Data));
  finally
    if Data <> 0 then
      GlobalUnlock(Data);
    CloseClipboard;
  end;
end;

function GetSerialNumber(ADelimiter: Char): string;
var
  I: Integer;
begin
  Result := '';
  for I := 0 to GetArrayLength(SerialEdits) - 1 do
    Result := Result + SerialEdits[I].Text + ADelimiter;
  Delete(Result, Length(Result), 1);
end;

function TrySetSerialNumber(const ASerialNumber: string; ADelimiter: Char): Boolean;
var
  I: Integer;
  J: Integer;
begin
  Result := False;

  if Length(ASerialNumber) = ((SC_EDITCOUNT * SC_CHARCOUNT) + (SC_EDITCOUNT - 1)) then
  begin
    for I := 1 to SC_EDITCOUNT - 1 do
      if ASerialNumber[(I * SC_CHARCOUNT) + I] <> ADelimiter then
        Exit;

    for I := 0 to GetArrayLength(SerialEdits) - 1 do
    begin
      J := (I * SC_CHARCOUNT) + I + 1;
      SerialEdits[I].Text := Copy(ASerialNumber, J, SC_CHARCOUNT);
    end;

    Result := True;
  end;
end;

function TryPasteSerialNumber: Boolean;
begin
  Result := TrySetSerialNumber(GetClipboardText, SC_DELIMITER);
end;

procedure OnSerialEditChange(Sender: TObject);
begin
  WizardForm.NextButton.Enabled := IsValidInput;
end;

procedure OnSerialEditKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
var
  Edit: TEdit;
  EditIndex: Integer;
begin
  Edit := TEdit(Sender);
  EditIndex := Edit.TabOrder - SerialEdits[0].TabOrder;
  if (EditIndex = 0) and (Key = Ord('V')) and (Shift = [ssCtrl]) then
  begin
    if TryPasteSerialNumber then
      Key := 0;
  end
  else
  if (Key >= 32) and (Key <= 255) then
  begin
    if Length(Edit.Text) = SC_CHARCOUNT - 1 then
    begin
      if EditIndex < GetArrayLength(SerialEdits) - 1 then
        SetFocus(SerialEdits[EditIndex + 1].Handle)
      else
        SetFocus(WizardForm.NextButton.Handle);
    end;
  end
  else
  if Key = VK_BACK then
    if (EditIndex > 0) and (Edit.Text = '') and (Edit.SelStart = 0) then
      SetFocus(SerialEdits[EditIndex - 1].Handle);
end;

procedure CreateSerialNumberPage;
var
  I: Integer;
  Edit: TEdit;
  DescLabel: TLabel;
  EditWidth: Integer;
begin
  SerialPage := CreateCustomPage(wpWelcome, 'Serial number validation',
    'Enter the valid serial number');

  DescLabel := TLabel.Create(SerialPage);
  DescLabel.Top := 16;
  DescLabel.Left := 0;
  DescLabel.Parent := SerialPage.Surface;
  DescLabel.Caption := 'Enter valid serial number and continue the installation...';
  DescLabel.Font.Style := [fsBold];

  SetArrayLength(SerialEdits, SC_EDITCOUNT);
  EditWidth := (SerialPage.SurfaceWidth - ((SC_EDITCOUNT - 1) * 8)) div SC_EDITCOUNT;

  for I := 0 to SC_EDITCOUNT - 1 do
  begin
    Edit := TEdit.Create(SerialPage);
    Edit.Top := 40;
    Edit.Left := I * (EditWidth + 8);
    Edit.Width := EditWidth;
    Edit.CharCase := ecUpperCase;
    Edit.MaxLength := SC_CHARCOUNT;
    Edit.Parent := SerialPage.Surface;
    Edit.OnChange := @OnSerialEditChange;
    Edit.OnKeyDown := @OnSerialEditKeyDown;
    SerialEdits[I] := Edit;
  end;
end;

procedure CurPageChanged(CurPageID: Integer);
begin
  if CurPageID = SerialPage.ID then
    WizardForm.NextButton.Enabled := IsValidInput;  
end;

procedure InitializeWizard;
begin
  CreateSerialNumberPage;
end;

这是它的样子:

Answer 2

您可以通过添加CheckSerial()事件功能使Inno提示用户输入序列密钥.

如果您想要更多地控制页面,可以使用其中一个库存页面(CreateInput...Page)或设置向导中的自定义页面,根据CreateCustomPage()需要使用和添加控件.

请参阅Inno setup附带的codedlg.iss示例.