Text 3070, 93 rader
Skriven 2005-03-10 11:18:04 av Ellen K. (1:379/45)
   Kommentar till text 3056 av Adam Flinton (1:379/45)
Ärende: Re: IDE market consolidates some more...?
=================================================
From: Ellen K. <72322.1016@compuserve.com>

A lot of the below is over my head at the moment since I don't recognize a lot
of the acronyms etc, but I'm forwarding it to myself at work, thanks.

Any chance of ever being able to accurately drag-and-drop a Java UI?

On Thu, 10 Mar 2005 14:21:40 +0000, Adam Flinton
<adam@NOSPAM_softfab.com> wrote in message <4230577d$1@w3.nls.net>:

>Ellen K. wrote:
>> Was that the thing before Swing, or is it Swing's successor?
>>
>
>It was written after swing but is not a sucessor but a competitor.
>Basically it's "heavyweight" in that it relies upon the underlying
>Window manager/widgetset unless there isn't one of the type you're
>looking for.
>
>e.g. if I create a button in Swing, swing does all the drawing etc. With
>SWT it's mapped to the windows or GTK or whatever button widget &
>windows or gnome or whatever the wm is does the rendering.
>
>It means it's faster as a gui & you have no redraw problems & it fully
>participates in the OS WM stuff (e.g. if you theme your desktop & set
>font sizes, colour schemes etc then SWT stuff gets that for free coz it
>is the wm doing the drawing).
>
>Again I reference :
>
>http://swingwt.sourceforge.net/
>
>Which allows you to build in swing & then if you want it in SWT you can
>just swap the import statements from javax.swing to the swingwt
>namesspace. I have a bash script which does this e.g.:
>
>for F in `grep -rl 'javax.swing."' .`; do
>     cat $F | sed 's/javax\.swing\./swingwtx\.swing\./g' > $F.tmp
>     mv $F.tmp $F;
>done
>for F in `grep -rl 'java.awt."' .`; do
>     cat $F | sed 's/java\.awt\./swingwt\.awt\./g' >
>     $F.tmp
>     mv $F.tmp $F;
>done
>
>you can be more devious than that though coz there's a replacement
>classloader that will switch swing for SwingWT at
>runtime......so you can look at how well/nice your swing app looks in
>swing & then....restart with a minor statup config change et voila it's
>now swt.
>
>
>Also coz swt is a more liberal/OSS licence it can be compiled by GCJ
>thus if you want to get "native" binaries then you can do so simply by
>using gcj.  As such it's now included in debian
>
>http://packages.debian.org/unstable/devel/swingwt-demo
>
>But it's now being used all over the place in odd places e.g.
>
>http://webonswing.sourceforge.net/xoops/
>
>&
>http://sourceforge.net/projects/arosgcj/
>
>"This will be a port of the GCJ (http://gcc.gnu.org/java/) java compiler
>and runtime for the AROS (www.aros.org) operating system. It will
>include SwingWT (http://swingwt.sourceforge.net/) and SWT
>(http://www.eclipse.org/swt/) as gui components."
>
>wrt compiling the same app to windows native binaries...
>
>A) http://www.ikvm.net/
>
>Oh yes....you can run your swingwt apps in .Net/Mono if you like....&...
>
>B) it's used by default by the  mingw GCJ > Windows people
>
>http://thisiscool.com/gcc_mingw.htm
>
>So....
>
>Sorted.....
>
>But I have to say having compiled stuff to native win & linux/gtk
>that....the only real speed improvement is in the startup times but it
>does mean that you don't need a jre/jvm to be installed.
>
>Adam

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