Hi everyone,
I have a simple question: How can I find out which main window is an
application's active window using DCP? I.e. suppose that I have kwrite
running with 3 different documents open. How can I find out which window is
the one that is active / was active most recently? I need a (hopefully)
simple solution that works with every KDE application that uses KMainWindow.
Thanks,

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Sunday 16 July 2006 22:57, Thomas Kadauke wrote:
Hi everyone,

I have a simple question: How can I find out which main window is an
application's active window using DCP? I.e. suppose that I have kwrite
running with 3 different documents open. How can I find out which window is
the one that is active / was active most recently? I need a (hopefully)
simple solution that works with every KDE application that uses
KMainWindow.

Hmm, you could iterate over the 'foo-mainwindow#n' interfaces of some
application (my kmail has 'kmail-mainwindow#1' and I just tried it with
KWrite and the kwrite process had 'kwrite-mainwindow#1'
and 'kwrite-mainwindow#2'). I'm not sure how standard that is (maybe it comes
from KMainWindow?), it does not seem to work for Konversation. ;-/

In any case, once you have the interfaces, you could call 'focus' (or
maybe 'isActiveWindow' but I'd have to look up what that does) to figure out
which window is 'active' in the sense that it has the focus.

Hope that helps.
- Frerich

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Am Monday 17 July 2006 03:06 schrieb Frerich Raabe:
Sunday 16 July 2006 22:57, Thomas Kadauke wrote:
Hi everyone,

I have a simple question: How can I find out which main window is an
application's active window using DCP? I.e. suppose that I have kwrite
running with 3 different documents open. How can I find out which window
is the one that is active / was active most recently? I need a
(hopefully) simple solution that works with every KDE application that
uses
KMainWindow.

Hmm, you could iterate over the 'foo-mainwindow#n' interfaces of some
application (my kmail has 'kmail-mainwindow#1' and I just tried it with
KWrite and the kwrite process had 'kwrite-mainwindow#1'
and 'kwrite-mainwindow#2'). I'm not sure how standard that is (maybe it
comes from KMainWindow?), it does not seem to work for Konversation. ;-/

In any case, once you have the interfaces, you could call 'focus' (or
maybe 'isActiveWindow' but I'd have to look up what that does) to figure
out which window is 'active' in the sense that it has the focus.

This doesn't seem to be bullet-proof, as I need to call a mainwindow's actions
from another application via DCP. For the KWrite example, I need to know
which mainwindow of which kwrite process was active most recently (among
other things). The KAppDCPInterface class doesn't support anything like
that.

Since the individual applications' interfaces are too different, it looks like
the best idea to implement the needed functionality on a per-application
basis (at least until the DCP/D-BUS interfaces are extended and unified to
support my needs :) ).

Hope that helps.

Thanks!


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