caption = collapsible = author = developer = released = latest release version = 0.52 latest release date = March 22, 2002 latest preview version = latest preview date = frequently updated = programming language = operating system = Cross-platform platform = size = language = status = genre = license = GNU Lesser General Public License website = http://wxbasic.sourceforge.net/
wxBasic is a free software / open-source software, cross-platform BASIC interpreter. As it is based on the easy-to-use syntax of the BASIC language, it is simple to learn and understand, allowing even novice programmers to write nice-looking applications for graphical environments like Windows and Linux with minimal effort. As of September, 2004, the software is in a beta state, but it is effective enough for hobby programming.
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 if wxBasic is present on the system, regardless of which system they were written on. This saves download time, as generated executables tend to be several orders of magnitude greater than the source code from which they were compiled.
wxBasic is written primarily in C, with some C++ linking it to the wxWidgets library. wxWidgets supplies the cross-platform features, making wxBasic a very powerful, although beginner-friendly, programming language.
wxBasic runs on Windows using native controls, and Linux using the GTK+ Library. A Macintosh port is being actively investigated.
wxBasic is a bytecode based language, like Perl or Java.
It is licensed under the LGPL, so proprietary code can be linked against it.
Comprehensive example
To give an idea how the syntax looks like see the following program which implements a text viewer:
' from http://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 Alt-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 F1", "About this program" ) ' Sub onHelpAbout( event ) Dim msg = "Text View allows any text file
" & "to be viewed regardless of its extension.
" & "If the file being opened isn't a text file
" & "then it won't be displayed. There will be a
" & "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" )
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