WxBasic

wxBasic
DeveloperDavid Cuny
Initial release2002; 24 years ago (2002)
Stable release
3.2.2.51 / July 26, 2024; 22 months ago (2024-07-26)[1]
Operating systemCross-platform
LicenseGNU Lesser General Public License
Websitewxbasic.net

wxBasic is a free software / open-source software, cross-platform BASIC interpreter. As it is based on syntax of the BASIC language, it is designed to be simple to learn and understand, and allow novice programmers to write applications for graphical environments like Windows and Linux with minimal effort. wxBasic is a bytecode based language, like Perl or Java. It is licensed under the LGPL, so proprietary software's source code can be linked against it.

It can create stand-alone executables by binding together source code with the interpreter. In contrast with executables created by similar commercial programs like Visual Basic, executables produced by wxBasic do not require any external DLL file, resource file, or installer to run. The executable is distributed alone and can be run immediately by end-users. As with programs written in any interpreted language, wxBasic programs may also be run straight from the source code on any platform, if wxBasic is present.

wxBasic is written primarily in C, with some C++ linking it to the wxWidgets library. wxWidgets supplies the cross-platform features. It runs on Microsoft Windows using native controls, and on Linux and macOS using the GTK+ library.[2] wxBasic is also the basis for the SdlBasic project.

Example

The following program implements a text viewer: 

  ' from https://wxbasic.sourceforge.net/phpBB2/viewtopic.php?t=554
  ' Simple Text Viewer written in wxBasic
  dim AppName = "Text Viewer"
  fileName = ""

  ' Main window
  dim frame = new wxFrame( Nothing, -1, AppName & " - Untitled Document" )
  ' Text edit control
  dim control = new wxTextCtrl( frame, -1, "", wxPoint( 0, 0 ),
  wxSize( 100, 100 ), wxTE_MULTILINE | wxTE_READONLY | wxTE_RICH)

  ' Status bar - The one at the bottom of the window
  dim status = frame.CreateStatusBar( 1 )
  frame.SetStatusText("Ready")
  '
  ' Dialog used for Open
  dim fileDialog = new wxFileDialog( frame )
  '
  ' add menubar to the frame
  dim mBar = new wxMenuBar()
  frame.SetMenuBar(mBar)
  '
  ' build the "File" dropdown menu
  dim mFile = new wxMenu()
  mBar.Append(mFile, "&File")

  ' make it
  '
  mFile.Append( wxID_OPEN, "&Open...", "Loads an existing file from disk" )
  '
  mFile.AppendSeparator()
  mFile.Append( wxID_EXIT, "E&xit\tAlt-X", "Exit Application" )

  Sub onFileOpen( event )
     fileDialog.SetMessage("Open File")
     fileDialog.SetStyle( wxOPEN )
     If fileDialog.ShowModal() = wxID_OK Then
       fileName = fileDialog.GetPath()
       Ext = fileDialog.GetFilename()
       control.Clear()
       control.LoadFile( fileName )
       frame.SetTitle( AppName & " - " & fileName )
       frame.SetStatusText(Ext)
    End If
  End Sub
  '
  Connect( frame, wxID_OPEN, wxEVT_COMMAND_MENU_SELECTED, "onFileOpen" )

  Sub onFileExit( event )
    frame.Close(True)
  End Sub
  '
  Connect( frame, wxID_EXIT, wxEVT_COMMAND_MENU_SELECTED, "onFileExit" )

  ' build the "Help" dropdown menu
  dim mHelp = new wxMenu()
  mBar.Append(mHelp, "&Help")
  mHelp.Append( wxID_HELP, "&About\tF1", "About this program" )
  '
  Sub onHelpAbout( event )
    Dim msg = "Text View allows any text file\n" &
    "to be viewed regardless of its extension.\n" &
    "If the file being opened isn't a text file\n" &
    "then it won't be displayed. There will be a\n" &
    "little garbage shown and that's all."
    wxMessageBox( msg, "About Text View", wxOK + wxICON_INFORMATION, frame )
  End Sub
  Connect( frame, wxID_HELP, wxEVT_COMMAND_MENU_SELECTED, "onHelpAbout" )

  frame.Show(True)

References

  1. ^ "News, August 2024". wxbasic.net. Retrieved 15 February 2026.
  2. ^ "Download". wxbasic.net. Retrieved 25 September 2017.

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