Konqueror/Embedded -- an embedded browser project

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(Last updated: Apr. 18, 2001)

The Konqueror/Embedded project attempts to build up a special version of the web browsing component of the KDE browser Konqueror (in particular its html rendering engine khtml and its io subsystem). Konqueror/Embedded runs on the Qt/Embedded platform for embedded devices, in an environment without a KDE installation or an X windowing system, as one static binary, being as small as possible while still providing all essential features of a web browser, including . . .

HTML4
CSS
JavaScript
Cookies
SSL
Non-blocking IO
Builtin Image Viewer
IPv6 support

Another key feature is the fact that Konqueror/Embedded is not a fork of the the browser components of KDE but it is part of the actual build process to copy over the original sources of the rendering engine, the HTTP client implementation and various support classes and compile them without modification. This is accomplished by providing drop-in replacement classes, provding source compatibility to the original code, while being optimized in size and functionality for Konqueror/Embedded. This has the tremendous advantage of being able to gain from the latest bugfixes and improvements of the original browser, for free!

How big is it?

The final size highly depends on what features are enabled and what binutils are used. In a fully featured version (including javascript) you can get to something like 3 MB for a binary for arm-linux (i.e. the iPAQ). That's dynamically linked against Qt/Embedded, Qt Palmtop Environment (QPE), and jpeg libraries. However, it's also possible to reduce size by, for example, excluding javascript from compilation, which saves approximately one megabyte. But then, for example, when compiling for x86 you can get to something like 2.4 MB including javascript.

The main point that makes Konqueror/Embedded special compared to a plain port of the relevant KDE sources to just the Qt/Embedded platform is that you end up with one single binary (unlike the original konqueror which, due to its component architecture, consists of many smallish shared libraries). Linking everything to one single binary gives the linker a lot of room for optimizing in size. And although it's a single binary it still provides fully non-blocking io, as it internally forks off so-called io-slave processes.

Further info

Read the latest FAQ and learn where to grab the latest Konqueror/Embedded build at the Konqueror/Embedded website!

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