Sunday, March 8, 2009

Adding GUI to xHarbour/Harbour via HMG [Part II]

In my previous article on Adding GUI to xHarbour/Harbour via HMG [Part I], I have shown you that you can easily hand code, Windows Menu, ToolBar and StatusBar and the result is as below :-

Code Snippet
BUTTON Button_Exit ;
PICTURE 'exit.bmp' ;
TOOLTIP 'Exit this Application' ;
ACTION MsgInfo('Exit !');

BUTTON Button_ReindexAll ;
PICTURE 'task.bmp' ;
TOOLTIP 'Reindex All Files' ;
ACTION Reindex_All()

BUTTON Button_Calculator ;
PICTURE 'calculator.bmp' ;
TOOLTIP 'Windows Calculator' ;
ACTION ExecFile("C:\Windows\System32\calc.exe") ;

Status Bar

Code Snippet
POPUP '&File'
POPUP '&Define Help Windows' name FileDefine
ITEM 'Define Fiscal Periods' ACTION EditExt('HLPFP')
ITEM 'Define Forex Table' ACTION EditHlpForex()
ITEM 'Exit' ACTION FileExit() IMAGE 'Exit.Bmp'


POPUP 'General Ledger'
ITEM '&Chart of Accounts' ACTION (BrowseGlac())
ITEM 'Report Writer' ACTION EditExt('REPTGL')
POPUP 'Standard Reports' name GLRept
ITEM 'Chart of Accounts' ACTION PrintViewChartofAccounts()

ITEM 'Reindex' ACTION Reind_GL()
ITEM 'Edit Fields Description' ACTION EditExt('GLDICT')
ITEM 'Rebuild GL' ACTION RebuildGL()

How about calling an external EXE ?

Code Snippet

EXECUTE FILE "C:\Windows\System32\calc.exe"

Using HMG's MsgYesNo() to replace Clipper Alert()

Code Snippet
if MsgYesNo('Reindex All Files ?','Confirm',{'Yes','No'})

What about Reindexing with Progress Bar ?

What have I done to 'GUIFY ' FAS4XHB to FAS4HMG thus far ?

a) Completed Main Form Interface via MENU, TOOLBAR & STATUSBAR
Nb. With this, I got rid of the Clipper Menu Interface

b) Use EDIT/EDIT EXTENDED to replace my DBEDIT()-based data screens
Nb. With this, I got rid of the DBEDIT() Interface

c) Use PROGRESSBAR to allow reindexing with Progress Bar
Nb. Replaced my text-based Progress Bar

Nb. This means that I do not need to recode all my reports !

What resources have I used thus far ?

a) xHarbour compatible codes, see Migrating from 5.2e to xHarbour Part III

b) HMG distribution comprising Harbour+HMG, see What is HMG ?

d) HMGIDE, a 2-way IDE (only if you created forms from the IDE)

e) Speedy response by HMG Forum particularly Escigi, Rathinagiri, Grigory Filatov and not forgetting my newly-found friend Sudip
Bhattacharyya from Calcutta, West bengal , India :-)

Where do I go from Here ?

a) Master-Details Forms

b) Prettying up the Interface

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Welcome to Clipper... Clipper... Clipper

In 1997, then using Delphi 3, I had already created 32-bits Windows applications for HRIS, ERP and CRM. In 2007, using Ruby on Rails, an AJAX powered CRM site running on Apache & MySQL was created and I am now using Visual Studio .Net 2008 to create web-based projects and Delphi 7 for Win32 applications using SQL2005 & DBFCDX.

So, why then am I reviving the Original Clipper... Clipper... Clipper via a Blog as CA-Clipper is a programming language for the DOS world ? Believe it or not, there are still some clients using my mission-critical CA-Clipper applications for DOS installed in the late 80's and up to the mid 90's. This is testimony to CA-Clipper's robustness as a language :-)

With the widespread introduction of Windows 7 64-bits as the standard O/S for new Windows based PCs & Notebooks, CA-Clipper EXE simply will not work and it has become imperative for Clipper programmers to migrate immediately to Harbour to build 32/64 bits EXEs

Since 28th January 2009, this blog has been read by 134,389 (10/3/11 - 39,277) unique visitors (of which 45,151 (10/3/11 - 13,929) are returning visitors) from 103 countries and 1,574 cities & towns in Europe (37; 764 cities), North America (3; 373 cities) , Central America & Caribeans (6; 13 cities), South America(10; 226 cities), Africa & Middle-East (12; 44 cities) , Asia-Pacific (21; 175 cities). So, obviously Clipper is Alive & Well : -)

TIA & Enjoy ! (10th October 2012, 11:05; 13th November 2015)

Original Welcome Page for Clipper... Clipper... Clipper

This is the original Welcome Page for Clipper... Clipper... Clipper, which I am republishing for historical and sentimental reasons. The only changes that I have made was to fix all the broken links. BTW, the counter from is still working :-)

Welcome to Chee Chong Hwa's Malaysian WWW web site which is dedicated to Clipperheads throughout the world.

This site started out as a teeny-weeny section of Who the heck is Chee Chong Hwa ? and has graduated into a full blown web site of more than 140 pages (actually hundreds of A4 size pages) ! This is due to its growing popularity and tremendous encouragements from visiting Clipperheads from 100 countries worldwide, from North America, Central America, Caribbean, South America, Europe, Middle-East, Africa and Asia-Pacific. Thanx Clipperheads, you all made this happen !

What is Clipper ?

You may ask, what is this Clipper stuff ? Could Clipper be something to do with sailing as it is the name of a very fast sailing American ship in the 19th century ?

Well, Clipper or to be precise, CA-Clipper is the premier PC-Software development tool for DOS. It was first developed by Nantucket Corporation initially as a compiler for dBase3+ programs. Since then, CA-Clipper has evolved away from its x-base roots with the introduction of lexical scoping & pre-defined objects like TBrowse. As at today, the most stable version ofClipper is 5.2e while the latest version, 5.3a was introduced on 21 May 1996.

As at 11th November, 1996, an unofficial 5.3a fixes file was made available by Jo French. See the About CA-Clipper 5.3a section for more details. BTW, Jo French uploaded the revised 5.3a fixes file on 20th November, 1996.

Latest News

The latest news is that CA has finally released the long-awaited 5.3b patch on 21 May, 1997.

For 5.3b users, you must a take a look at Jo French's comments on unfixed bugs in 5.3b.

BTW, have you used Click ? If you're a serious Clipperprogrammer and need an excellent code formatter, Click is a natural choice. How to get it ? Simple, access Phil Barnett's site via my Cool Clipper Sites.

32-bits Clipper for Windows ?

Have you tried Xbase ++ ? Well, I have and compared to Delphi (my current Windows programming tool of choice), I'm still sticking to Delphi.

Anyway, you should visit the Alaska Home Page. Give it a chance and then draw your own conclusions !.

The Harbour Project

Is this the future of Xbase ? Take a look at at the Harbour Project

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