groffstudio

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Check-in [edf9412b43]

Overview
Comment:[Feature] The installed Ghostscript version is now displayed in the settings. ... and code formatting
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: edf9412b4352dd4a0fe09564ccd839785876a89f580aaab1223a93234fa5bbcd
User & Date: Cthulhux on 2024-04-30 12:29:10
Other Links: manifest | tags
Context
2024-04-30
12:37
.. check-in: 726dbe99cb user: Cthulhux tags: trunk
12:29
[Feature] The installed Ghostscript version is now displayed in the settings. ... and code formatting check-in: edf9412b43 user: Cthulhux tags: trunk
12:10
[Feature] There is an option to keep both the .ps and the .pdf file now. [Feature] Non-Windows users can choose to use Ghostscript (if installed) or pdfroff. check-in: 80a9157eaf user: Cthulhux tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified CHANGES.txt from [5125c42e0a] to [c13e25c21d]. 

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Version [next]

[Feature] On Windows, Ghostscript replaced pdfroff (thanks @wysardry).
[Bugfix] The groff detection logic was not as logical as it should have been.
[Feature] There is an option to keep both the .ps and the .pdf file now.
[Feature] Non-Windows users can choose to use Ghostscript (if installed) or pdfroff.
[Feature] The installed Ghostscript version is now displayed in the settings.

-------------------------------

Version 0.13.2
2024-04-30

[Improved] Multi-threading is more standards-compliant now (thanks @Th69).
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Modified src/buildoutputwindow.pas from [b2dc02ad8c] to [a65bb3f811].

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  { TBuildStatusWindow }

  TBuildStatusWindow = class(TForm)
    Label1: TLabel;
  private

  public
    function BuildDocument(CommandLine: String; LogFile: String): Boolean;
    function BuildDocument(CommandLine: string; LogFile: string): boolean;

  end;

var
  OutputText: String;
  OutputText: string;

implementation

{$R *.lfm}

function TBuildStatusWindow.BuildDocument(CommandLine: String; LogFile: String): Boolean;
function TBuildStatusWindow.BuildDocument(CommandLine: string; LogFile: string): boolean;
var
  str: String;
  str: string;
  lh: TextFile;
  ret: Boolean;
  ret: boolean;
begin
{$IFDEF WINDOWS}
  {$IFDEF WINDOWS}
  ret := RunCommand('cmd', ['/c', CommandLine], str, [], swoHIDE);
{$ELSE}
  ret := RunCommand('sh', ['-c', CommandLine], str, [], swoHIDE);
{$ENDIF}
  {$ENDIF}

  if Length(str) = 0 then str := 'No problems have occurred. :-)';

  if LogFile <> '' then
  begin
    AssignFile(lh, LogFile);
    try
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  { Close the status window: }
  Close;

  Result := ret;
end;

end.

Modified src/groffstudio.lpi from [aad3a914ec] to [cfbaa470c1].

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        <Resource_0 FileName="..\LICENSE" Type="RCDATA" ResourceName="LICENSE"/>
      </Resources>
    </General>
    <VersionInfo>
      <UseVersionInfo Value="True"/>
      <AutoIncrementBuild Value="True"/>
      <MinorVersionNr Value="14"/>
      <BuildNr Value="7"/>
      <BuildNr Value="9"/>
      <StringTable ProductName="groffstudio"/>
    </VersionInfo>
    <BuildModes>
      <Item Name="Default" Default="True"/>
    </BuildModes>
    <PublishOptions>
      <Version Value="2"/>
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Modified src/groffstudio.lpr from [85befef33a] to [326a826cd4].

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}

{$mode objfpc}{$H+}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
{$ENDIF}
  {$IFDEF HASAMIGA}
  athreads,
  {$ENDIF}
{$ENDIF}
  Interfaces,
  Forms,
  lazcontrols,
  Unit1,
  Helpers,
  Forms, lazcontrols, Unit1, Helpers, BuildOutputWindow;
  BuildOutputWindow;

{$R *.res}
  {$R *.res}

begin
  RequireDerivedFormResource:=True;
  Application.Scaled:=True;
  RequireDerivedFormResource := True;
  Application.Scaled := True;
  Application.Initialize;
  

  Application.CreateForm(TMainForm, MainForm);

  Application.Run;
end.

Modified src/helpers.pas from [7fc6e4646d] to [b64febe3f4].

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uses
  Classes, SysUtils;

type
  TGroffHelpers = class
  public
    procedure VerStrCompare(newVersion, oldVersion: String; out comp: Integer);
end;
    procedure VerStrCompare(newVersion, oldVersion: string; out comp: integer);
  end;

implementation

procedure TGroffHelpers.VerStrCompare(newVersion, oldVersion: String; out comp: Integer);
procedure TGroffHelpers.VerStrCompare(newVersion, oldVersion: string; out comp: integer);
var
  nE1, nE2, nV1, nV2: Integer;
  nE1, nE2, nV1, nV2: integer;

begin
 if (Length(newVersion) > 0) or (Length(oldVersion) > 0) then begin
  nE1 := Pos('.', newVersion + '.');
  nE2 := Pos('.', oldVersion + '.');
  if nE1 > 1 then
    nV1 := StrToInt(Copy(newVersion,1,(nE1-1)))
  else
    nV1 := 0;
  if (Length(newVersion) > 0) or (Length(oldVersion) > 0) then
  begin
    nE1 := Pos('.', newVersion + '.');
    nE2 := Pos('.', oldVersion + '.');
    if nE1 > 1 then
      nV1 := StrToInt(Copy(newVersion, 1, (nE1 - 1)))
    else
      nV1 := 0;

  if nE2 > 1 then
    nV2 := StrToInt(Copy(oldVersion,1,(nE2-1)))
  else
    nV2 := 0;
    if nE2 > 1 then
      nV2 := StrToInt(Copy(oldVersion, 1, (nE2 - 1)))
    else
      nV2 := 0;

  if nV1 = nV2 then
    VerStrCompare(Copy(newVersion, nE1 + 1, Length(newVersion)), Copy(oldVersion, nE2 + 1, Length(oldVersion)), comp)
  else if nV1 > nV2 then
    comp := 1
  else if nV1 < nV2 then
    comp := -1;
 end
 else
   comp := 0;
    if nV1 = nV2 then
      VerStrCompare(Copy(newVersion, nE1 + 1, Length(newVersion)),
        Copy(oldVersion, nE2 + 1, Length(oldVersion)), comp)
    else if nV1 > nV2 then
      comp := 1
    else if nV1 < nV2 then
      comp := -1;
  end
  else
    comp := 0;
end;

end.

Modified src/unit1.lfm from [1278594516] to [5721aed32c]. 

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object MainForm: TMainForm
  Left = 1073
  Height = 692
  Top = 99
  Width = 847
  Caption = 'groffstudio'
  ClientHeight = 692
  ClientWidth = 847
  DefaultMonitor = dmPrimary
  Position = poScreenCenter
  LCLVersion = '3.99.0.0'
  OnClose = FormClose
  OnCreate = FormCreate
  object MainStatusBar: TStatusBar
    Left = 0
    Height = 23
    Top = 669
    Width = 847
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    SimplePanel = False
  end
  object ExtendedNotebook1: TExtendedNotebook
    Left = 8
    Height = 662
    Top = 8
    Width = 827
    ActivePage = tsSettings
    ActivePage = tsEdit
    Anchors = [akTop, akLeft, akRight, akBottom]
    Style = tsFlatButtons
    TabIndex = 1
    TabIndex = 0
    TabOrder = 1
    object tsEdit: TTabSheet
      Caption = 'edit a groff document'
      ClientHeight = 631
      ClientWidth = 819
      ParentFont = False
      object GroupBox1: TGroupBox
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        BorderStyle = bsNone
        Enabled = False
        TabOrder = 1
      end
      object lblTroffCommandNotFound: TLabel
        Left = 8
        Height = 45
        Top = 112
        Top = 130
        Width = 806
        Anchors = [akTop, akLeft, akRight]
        Caption = 'groff was not found. in order to use groffstudio, you absolutely need groff in your PATH variable. on unix and unix-like systems, you''ll need to edit the $PATH variable. on windows, i warmly recommend the Rapid Environment Editor for that.'#13#10'please exit groffstudio at your nearest convenience and adjust your PATH variables. then try again.'
        Font.Color = clRed
        ParentColor = False
        ParentFont = False
        Visible = False
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      object Label10: TLabel
        Left = 8
        Height = 15
        Top = 77
        Width = 103
        Caption = 'groffstudio version:'
        ParentColor = False
      end
      object Label15: TLabel
        Left = 8
        Height = 15
        Top = 98
        Width = 103
        Caption = 'ghostscript version:'
      end
      object edtGhostscriptInstalledVersion: TEdit
        Left = 144
        Height = 15
        Top = 98
        Width = 671
        Anchors = [akTop, akLeft, akRight]
        BorderStyle = bsNone
        Enabled = False
        TabOrder = 3
      end
    end
    object tsAbout: TTabSheet
      Caption = 'about groffstudio'
      ClientHeight = 631
      ClientWidth = 819
      object lblAboutProductName: TLabel
︙

Modified src/unit1.pas from [a3a810c1b6] to [2e85f0db1a].

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interface

uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ComCtrls, StdCtrls,
  ExtCtrls, Buttons, ExtendedNotebook, SynEdit, fphttpclient, RegExpr, LCLIntf,
  LCLType, IniPropStorage, ComboEx, Process, Helpers, fileinfo,
  {$IF DEFINED(WINDOWS)}
{$IF DEFINED(WINDOWS)}
  winpeimagereader, opensslsockets,
  {$ELSEIF DEFINED(DARWIN)}
{$ELSEIF DEFINED(DARWIN)}
  machoreader, ssockets, sslsockets, sslbase, opensslsockets,
  {$ELSEIF DEFINED(LINUX)}
{$ELSEIF DEFINED(LINUX)}
  elfreader,
  {$ENDIF}
{$ENDIF}
  BuildOutputWindow;

type

  { TMainForm }

  TMainForm = class(TForm)
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    chkBoxPreprocessors: TCheckComboBox;
    chkUpdateCheckOnStart: TCheckBox;
    chkLogFile: TCheckBox;
    chkAutoSaveBuildSettings: TCheckBox;
    cmbMacro: TComboBox;
    edtGroffInstalledVersion: TEdit;
    edtGroffstudioInstalledVersion: TEdit;
    edtGhostscriptInstalledVersion: TEdit;
    edtOnlineGroffVersionWindows: TEdit;
    ExtendedNotebook1: TExtendedNotebook;
    GroupBox1: TGroupBox;
    GroupBox2: TGroupBox;
    GroupBox3: TGroupBox;
    iniStorage: TIniPropStorage;
    Label1: TLabel;
    Label10: TLabel;
    Label11: TLabel;
    Label12: TLabel;
    Label13: TLabel;
    Label14: TLabel;
    Label15: TLabel;
    lblGithubRepo: TLabel;
    lblFossilRepo: TLabel;
    lblWebsite: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
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    procedure chkUseGhostscriptChange(Sender: TObject);
    procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
    procedure FormCreate(Sender: TObject);
    procedure lblFossilRepoClick(Sender: TObject);
    procedure lblGithubRepoClick(Sender: TObject);
    procedure lblWebsiteClick(Sender: TObject);
    procedure SynEdit1Change(Sender: TObject);
    {$IFDEF DARWIN}
{$IFDEF DARWIN}
    procedure GetSocketHandler(Sender: TObject; const UseSSL: Boolean; out AHandler: TSocketHandler);
    {$ENDIF}
{$ENDIF}
  private
  var
    currentGroffFilePath: string;
    currentGroffFileName: string;
    unsavedChanges: boolean;
    {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
    latestGroffWindowsUrl: String;
    {$ENDIF}
{$ENDIF}
    // Settings:
    storeBuildSettings: boolean;
    updateCheck: boolean;
  public

  end;
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var
  MainForm: TMainForm;
  BuildWindow: TBuildStatusWindow;
  hasGroff: boolean;
  hasGhostscript: boolean;
  GroffOutputVersion: string;
  ps2pdfOutput: string;
  GhostscriptOutputVersion: string;

implementation

{$R *.lfm}

procedure TDetectGroffThread.UpdateUI;
begin
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    hasGroff := True;
    MainForm.edtGroffInstalledVersion.Text := GroffOutputVersion;
  end;

  // Try to find ps2pdf:
  if pos('ps2pdf', ps2pdfOutput) = 0 then
  begin
    {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
    // ps2pdf is mandatory on Windows.
    ShowMessage('On Windows, for creating PDF files, you need Ghostscript installed.'
    + LineEnding + 'Sadly, groffstudio could not find ps2pdf.bat in your %PATH%, so '
    + 'writing PDF files will not be supported. Please install Ghostscript and make sure '
    + 'that the folder that contains ps2pdf.bat is in your %PATH%.');
    MainForm.rdPdf.Enabled := False;
    {$ENDIF}
{$ENDIF}
    hasGhostscript := False;
    MainForm.chkUseGhostscript.Checked := False;
    MainForm.chkUseGhostscript.Enabled := False;
  end
  else
  end else begin
  begin
    hasGhostscript := True;
    {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
    MainForm.rdPdf.Enabled := True;
    MainForm.chkUseGhostscript.Checked := True;
    {$ENDIF}
{$ENDIF}
    MainForm.chkUseGhostscript.Enabled := True;
  end;

  // Try to find Ghostscript, just for displaying the version:
  if hasGhostscript then
    MainForm.edtGhostscriptInstalledVersion.Text := GhostscriptOutputVersion
  else
    MainForm.edtGhostscriptInstalledVersion.Text := 'n/a';
end;

procedure TDetectGroffThread.Execute;
begin
  FreeOnTerminate := True;

  {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
  RunCommand('cmd', ['/c', 'troff --version'], GroffOutputVersion, [], swoHIDE);
  RunCommand('cmd', ['/c', 'gs --version'], GhostscriptOutputVersion, [], swoHIDE);
  RunCommand('cmd', ['/c', 'ps2pdf'], ps2pdfOutput, [], swoHIDE);
  {$ELSE}
{$ELSE}
  RunCommand('/bin/sh', ['-c', 'troff --version'], GroffOutputVersion,
    [], swoHIDE);
  RunCommand('/bin/sh', ['-c', 'gs --version'], GhostscriptOutputVersion,
    [], swoHIDE);
  RunCommand('/bin/sh', ['-c', 'ps2pdf'], ps2pdfOutput, [], swoHIDE);
  {$ENDIF}
{$ENDIF}
  Synchronize(@UpdateUI);
end;

{ TMainForm }

procedure TMainForm.FormCreate(Sender: TObject);
var
  OnlineVersionsFile: string;
  {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
  reGroffVersion: TRegExpr;
  {$ENDIF}
{$ENDIF}
  reGroffStudioVersion: TRegExpr;
  FileVerInfo: TFileVersionInfo;
  HasVersionUpdate: integer;
  GroffHelpers: TGroffHelpers;
  ResStream: TResourceStream;
  {$IFDEF DARWIN}
{$IFDEF DARWIN}
  HTTPClient: TFPHttpClient;
  {$ENDIF}
{$ENDIF}
begin
  // What's the current running groff version?
  TDetectGroffThread.Create(False);

  // Default file name
  currentGroffFileName := '[unsaved file]';

  // Embed the license
  ResStream := TResourceStream.Create(HInstance, 'LICENSE', RT_RCDATA);
  try
    mLicense.Lines.LoadFromStream(ResStream);
  finally
    ResStream.Free;
  end;

  {$IFNDEF WINDOWS}
{$IFNDEF WINDOWS}
  // Ghostscript is not optional on Windows.
  // On other platforms, let's use the stored setting.
  chkUseGhostscript.Checked := iniStorage.ReadBoolean('UseGhostscript', False);
  {$ENDIF}
{$ENDIF}

  // Restore the settings
  iniStorage.Restore;
  storeBuildSettings := iniStorage.ReadBoolean('AutoSaveBuildSettings', False);
  chkAutoSaveBuildSettings.Checked := storeBuildSettings;

  {$IF DEFINED(LINUX) OR DEFINED(BSD)}
{$IF DEFINED(LINUX) OR DEFINED(BSD)}
  // On platforms which probably use a package manager (currently, Linux and
  // BSDs), the "update check" checkbox is disabled.
  chkUpdateCheckOnStart.Enabled := False;
  {$ELSE}
{$ELSE}
  updateCheck := iniStorage.ReadBoolean('UpdateCheckOnStart', False);
  chkUpdateCheckOnStart.Checked := updateCheck;
  {$ENDIF}
{$ENDIF}

  if storeBuildSettings then
  begin
    chkLogFile.Checked := iniStorage.ReadBoolean('BuildLogFile', False);
    cmbMacro.Text := iniStorage.ReadString('BuildChosenMacro', '[ select ]');
    chkBoxPreprocessors.Checked[0] := iniStorage.ReadBoolean('BuildUseChem', False);
    chkBoxPreprocessors.Checked[1] := iniStorage.ReadBoolean('BuildUseEqn', False);
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    edtGroffStudioInstalledVersion.Text :=
      FileVerInfo.VersionStrings.Values['FileVersion'];
    lblAboutProductName.Caption :=
      FileVerInfo.VersionStrings.Values['ProductName'] + ' ' +
      FileVerInfo.VersionStrings.Values['FileVersion'];
    MainStatusBar.Panels[2].Text := '';

    {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
    if updateCheck then
    begin
      OnlineVersionsFile := TFPCustomHTTPClient.SimpleGet('https://groff.tuxproject.de/updates/versions.txt');

      // 1. groff update check
      reGroffVersion := TRegExpr.Create('groff-win ([\d\.]+) (.*)$');
      reGroffVersion.ModifierM := True;
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        if HasVersionUpdate > 0 then
          MainStatusBar.Panels[2].Text := 'update ' + reGroffStudioVersion.Match[1] + ' available';
      end;
    end else begin
        edtOnlineGroffVersionWindows.Text := 'n/a';
        btnDownloadGroffWindows.Enabled := False;
    end;
    {$ELSE}
{$ELSE}
    // Non-Windows platforms won't need some of that.
    {$IFDEF DARWIN}
    // What's the latest available version?
    try
      if updateCheck then
      begin
        HTTPClient := TFPHTTPClient.Create(Nil);
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      end;
    finally
      if updateCheck then HTTPClient.Free;
    end;
    {$ENDIF}
    edtOnlineGroffVersionWindows.Text := 'n/a';
    btnDownloadGroffWindows.Enabled := False;
    {$ENDIF}
{$ENDIF}
  finally
    FileVerInfo.Free;
  end;

  // Loaded file display
  MainStatusBar.Panels[0].Text := '';
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  // Set the "Changed" mark:
  MainStatusBar.Panels[0].Text := '* ' + currentGroffFileName;
  unsavedChanges := True;
end;

procedure TMainForm.btnDownloadGroffWindowsClick(Sender: TObject);
begin
  {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
   // On other systems, the button is disabled anyway.
   OpenURL(latestGroffWindowsUrl);
  {$ENDIF}
{$ENDIF}
end;

procedure TMainForm.btnBuildClick(Sender: TObject);
var
  buildSuccess: boolean;
  buildOpts: string;
  logFileName: string = '';
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  if chkBoxPreprocessors.Checked[3] then  buildOpts := buildOpts + ' -pic';
  if chkBoxPreprocessors.Checked[4] then  buildOpts := buildOpts + ' -refer';
  if chkBoxPreprocessors.Checked[5] then  buildOpts := buildOpts + ' -tbl';

  if chkBoxExtras.Checked[0] then  buildOpts := buildOpts + ' -mhdtbl';

  // - PDF-specifics:
  {$IFNDEF WINDOWS}
{$IFNDEF WINDOWS}
  // On Windows, we use a two-step program:
  // 1) Output to PostScript,
  // 2) ps2pdf to PDF.
  // This is because there is no pdfroff.exe. Requires Ghostscript.
  if rdPdf.Checked and not chkUseGhostscript.Checked then
  begin
    buildOpts := buildOpts + ' -Tpdf';
    if chkBoxExtras.Checked[1] then buildOpts := buildOpts + ' -mpdfmark';
    outputFileName := currentGroffFilePath + '.pdf';
  end
  else
  {$ENDIF}
{$ENDIF}
    outputFileName := currentGroffFilePath + '.ps';

  // - Input file:
  buildOpts := buildOpts + ' ' + currentGroffFilePath;
  buildOpts := buildOpts + ' > ' + outputFileName;

  // - Log file:
  if chkLogFile.Checked then logFileName := currentGroffFilePath + '.log';

  // Build:
  buildSuccess := BuildWindow.BuildDocument(buildOpts, logFileName);

  {$IFDEF WINDOWS}
{$IFDEF WINDOWS}
  if buildSuccess and hasGhostscript and rdPdf.Checked then
  {$ELSE}
{$ELSE}
  // On non-Windows systems, Ghostscript is entirely optional.
  if buildSuccess and hasGhostscript and chkUseGhostscript.Checked and rdPdf.Checked then
  {$ENDIF}
{$ENDIF}
  begin
    // Invoke ps2pdf:
    buildOpts := 'ps2pdf';
    // outputFileName is still the .ps file. Just use it as the input name.
    buildOpts := buildOpts + ' ' + outputFileName;
    buildSuccess := BuildWindow.BuildDocument(buildOpts, logFileName);

    if buildSuccess and not chkKeepPostscriptFile.Checked then;
       DeleteFile(outputFileName); // get rid of the .ps fil
    if buildSuccess and not chkKeepPostscriptFile.Checked then
       DeleteFile(outputFileName); // get rid of the .ps file
  end;

  if buildSuccess then
    MainStatusBar.Panels[1].Text := 'build successful'
  else
    MainStatusBar.Panels[1].Text := 'build problem';
︙