[Lazarus] Open URL in "default" browser X-platform

[ik]

On Linux you can use the alternatives to decide what browser to open.
On debian (I don't know about non debian based distro) you can use the
sensible-browser command.
It points to the default web browser.

Ido

http://ik.homelinux.org/


On Thu, Dec 4, 2008 at 12:54 AM, Bart <bartjunk64 at gmail.com> wrote:

> Hi,
>
> I come from Windows/Delphi (3.0) background and I'm gradually moving
> towards Lazarus/fpc.
>
> Opening an URL in Windows is a piece of cake, you just let the OS take
> care of the assotiations with the http protocol to open it (using
> shellexecute).
> This of course will not do for other platforms.
>
> So I set myself the task of launching an URL in an external browser on
> other platforms.
> Since I only have Linux (besides Win) I began with that.
>
> I tried to find examples on the net, but had no luck.
> I might well be re-inventing the wheel though...
>
> Here's my approach:
>
> - try to detect the windowmanger (for now I know how to do this for
> KDE and GNOME, XFCE is on my whishlist)
>
> On KDE
> - lookup DESKTOK_LAUNCH environment variable
> - if not there, look for kde-open
> - if not there look for kfmclient
> - if not there look for xdg-open
> - if not there try fallback
> (possibly using gnome-open might also work under KDE ???)
>
> On GNOME
> - look fo gnome-open
> - if not there, look for xdg-open
> - if not there try fallback
>
> Fallback
> - search for know browsers (firefox, iceweasel, mozilla, opera,
> konqueror, ...(suggestions are welcome))
>
> If browser (or URL handler like kde-open, xdg-open etc.) is found
> launch it with the appropriate URL.
>
> This approach (the finding mechanism) seems to work at least on my
> Suse KDE desktop.
>
> I would like your opinions on this approach, and better still, I would
> like some suggestions how to achieve something similar on a Mac.
> (I suppose on Mac OSX the linux approach should work also???)
>
> And as a final rather dumb question: do all supported OS's have an
> environmentvariable PATH (as this is used in the fallback mechanism)?
>
> Bart
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>
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