A Better Hello World
Some time ago we published an improved Hello World tutorial that shows you how to get started with Dolphin and its default user interface framework, Model View Presenter. With the recent release of Dolphin 7 to a wider open source audience, it seems useful to republish this. If you’re new to Dolphin, be sure to check out our Getting Started page first… More…
Dolphin Smalltalk 7 is Open Source
This is a quick announcement to our blog subscribers to let you know that Dolphin Smalltalk is about to go open source. A new version, Dolphin 7, which is equivalent in function to the previous Dolphin Professional product will be released on the GitHub public source sharing repository later today. Please visit Getting Started for a countdown to the release and, thereafter, for full build instructions.
Dolphin under Wine (Step by Step)
Wine is a free (open source) way of running Windows programs under other operating systems like Mac OSX or Linux. With a few simple changes the Dolphin development environment can be run under Wine but, perhaps more importantly, so can the applications created with it. This article shows you how. More…
Recovering from a Catastrophic Image Failure
The Dolphin image provides plenty of benefits to your development workflow. However, it should only be regarded as a temporary home for your work. This is brought home in dramatic fashion should you accidentally do something that causes your image to fail or damages it such that it won’t reload. More…
Messing with 3D in Dolphin Smallltalk
To keep my kids off the XBox in the summer vacation, I put together a 3D playground in Dolphin Smalltalk for them to mess around with. The result was Aragon3d, an object oriented wrapper around the popular Truevision3D library. More…
Beauty with less Beast
We've always prided ourselves that Dolphin is one of the "better looking" Smalltalks out there. Indeed, when we first started, I think Dolphin was the first Smalltalk IDE to use icons to represent classes in the various browsers. As a result, it's been pretty easy to use icons to represent objects and toolbar commands, both as part of the IDE and in end-user applications. But, and here's the crunch, it has always been necessary to load these icons from external files. More…
MVP just Visual Basic with "more wing nuts"?
Dolphin's MVP framework continues to appear daunting to new Smalltalk users and yet it's really rather similar to Visual Basic but with "more wing nuts" to allow components to be easily taken apart and the pieces reassembled in different ways. Perhaps revisiting the design rationale behind MVP might help? More…