Keyboard input in embedded application

[M0E Lnx]

I have an application with an embedder control that runs another one
of my little projects.

The embedded application has txtbox controls on it, buttons,
textlabels and the like.

Every other control that I've tried here works, except for the textboxes.

I cannot get the textboxes to accept keyboard input when the
application is running embedded.
If I run the application outside, it works fine

Anyone experienced this before?

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[M0E Lnx]

For what it's worth, I've tried embedding the same application into
the embedder example, and it behaves the same way there too..

Could this be a bug or an un-finished object issue?

Anybody?


On Mon, May 12, 2008 at 8:33 AM, M0E Lnx <m0e.lnx@...> wrote:

> I have an application with an embedder control that runs another one
> of my little projects.
>
> The embedded application has txtbox controls on it, buttons,
> textlabels and the like.
>
> Every other control that I've tried here works, except for the textboxes.
>
> I cannot get the textboxes to accept keyboard input when the
> application is running embedded.
> If I run the application outside, it works fine
>
> Anyone experienced this before?
>

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[Benoit Minisini]

On lundi 12 mai 2008, M0E Lnx wrote:
> For what it's worth, I've tried embedding the same application into
> the embedder example, and it behaves the same way there too..
>
> Could this be a bug or an un-finished object issue?
>
> Anybody?
>

If the embedded application was not programmed to be embedded (i.e. if it does
now the XEMBED protocol), you will have (mainly) focus problems. Is it your
case?

--
Benoit Minisini

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[M0E Lnx]

I believe this is the case...
How do I solve this?


On Mon, May 12, 2008 at 2:17 PM, Benoit Minisini
<gambas@...> wrote:

> On lundi 12 mai 2008, M0E Lnx wrote:
> > For what it's worth, I've tried embedding the same application into
> > the embedder example, and it behaves the same way there too..
> >
> > Could this be a bug or an un-finished object issue?
> >
> > Anybody?
> >
>
> If the embedded application was not programmed to be embedded (i.e. if it does
> now the XEMBED protocol), you will have (mainly) focus problems. Is it your
> case?
>
> --
> Benoit Minisini
>
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[M0E Lnx]

If I understand the documentation correctly, Gambas applications do
follow the XEMBED Protocol according to

http://gambasdoc.org/help/comp/gb.qt/embedder?show

The application being embedded is in fact another gambas application
of my design as well.

But I'm still having the problem. Is there some setting I need to
adjust somewhere?



On Mon, May 12, 2008 at 2:21 PM, M0E Lnx <m0e.lnx@...> wrote:

> I believe this is the case...
> How do I solve this?
>
>
>
> On Mon, May 12, 2008 at 2:17 PM, Benoit Minisini
> <gambas@...> wrote:
> > On lundi 12 mai 2008, M0E Lnx wrote:
> > > For what it's worth, I've tried embedding the same application into
> > > the embedder example, and it behaves the same way there too..
> > >
> > > Could this be a bug or an un-finished object issue?
> > >
> > > Anybody?
> > >
> >
> > If the embedded application was not programmed to be embedded (i.e. if it does
> > now the XEMBED protocol), you will have (mainly) focus problems. Is it your
> > case?
> >
> > --
> > Benoit Minisini
> >
> > -------------------------------------------------------------------------
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
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> > Gambas-user@...
> > https://lists.sourceforge.net/lists/listinfo/gambas-user
> >
>

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[Benoit Minisini]

On lundi 12 mai 2008, M0E Lnx wrote:

> If I understand the documentation correctly, Gambas applications do
> follow the XEMBED Protocol according to
>
> http://gambasdoc.org/help/comp/gb.qt/embedder?show
>
> The application being embedded is in fact another gambas application
> of my design as well.
>
> But I'm still having the problem. Is there some setting I need to
> adjust somewhere?
>

The documentation is not clear.

A Gambas window does not follow the XEMBED protocol -by default-.

To do that, you must not embed the application from the embedder, but from the
embedded one, by using the Application.Embedder property before creating the
main window.

In other words:

- Run your embedder application.

- Note the window id of the Embedder control.

- Run the embedded application and pass the previous window id as argument.

- In the embedded application, set the Application.Embedder property to the
received window id.

- Create your main window. Now, your application will follow the XEMBED
protocol.

Regards,

--
Benoit Minisini

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[M0E Lnx]

I think I found a serious problem here...

Using the gb.gui component for the embedder application as well as for
the applications being embedded.

I figured out that by add the embedder.setfocus property, this works
fine while in GTK
However, when running under QT, the embedded application does not
accept keyboard input AT ALL... Nothing
Not one key stroke.

Could this be a bug?


On Mon, May 12, 2008 at 5:28 PM, Benoit Minisini
<gambas@...> wrote:

> On lundi 12 mai 2008, M0E Lnx wrote:
> > If I understand the documentation correctly, Gambas applications do
> > follow the XEMBED Protocol according to
> >
> > http://gambasdoc.org/help/comp/gb.qt/embedder?show
> >
> > The application being embedded is in fact another gambas application
> > of my design as well.
> >
> > But I'm still having the problem. Is there some setting I need to
> > adjust somewhere?
> >
>
> The documentation is not clear.
>
> A Gambas window does not follow the XEMBED protocol -by default-.
>
> To do that, you must not embed the application from the embedder, but from the
> embedded one, by using the Application.Embedder property before creating the
> main window.
>
> In other words:
>
> - Run your embedder application.
>
> - Note the window id of the Embedder control.
>
> - Run the embedded application and pass the previous window id as argument.
>
> - In the embedded application, set the Application.Embedder property to the
> received window id.
>
> - Create your main window. Now, your application will follow the XEMBED
> protocol.
>
> Regards,
>
> --
>
> Benoit Minisini
>
> -------------------------------------------------------------------------
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[M0E Lnx]

>
> The documentation is not clear.
>
> A Gambas window does not follow the XEMBED protocol -by default-.
>
> To do that, you must not embed the application from the embedder, but from the
> embedded one, by using the Application.Embedder property before creating the
> main window.
>
> In other words:
>
> - Run your embedder application.
>
> - Note the window id of the Embedder control.

        HOW ???
>
> - Run the embedded application and pass the previous window id as argument.
      HOW?
>
> - In the embedded application, set the Application.Embedder property to the
> received window id.
    WHICH WINDOW ID ?? THEM EMBEDDER'S OR THE EMBEDDED?
>
> - Create your main window. Now, your application will follow the XEMBED
> protocol.

Could you give a little more detail on how to accomplish this?

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[Rob Kudla]

On Wednesday 14 May 2008 10:23, M0E Lnx wrote:
> > - Note the window id of the Embedder control.
>         HOW ???

Every control has an "ID" property.  

> > - Run the embedded application and pass the previous window id as
> > argument.
>       HOW?

You pass it on the command line from the calling program, and read it
in the receiving program with Application.Args.  What format you use
is up to you.

> > - In the embedded application, set the Application.Embedder
> > property to the received window id.
>     WHICH WINDOW ID ?? THEM EMBEDDER'S OR THE EMBEDDED?

He said "the received window id", so obviously he was referring to the
ID he was talking about all along, which was the embedder control's
ID.  

Also, don't use caps, it's rude.

Rob

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[M0E Lnx]

Thank you...
I think I got it now.

PS: Didn't mean to be rude, just wanted my questions to stand out from
the rest of the text. Sorry for the misunderstanding.



On Wed, May 14, 2008 at 10:09 AM, Rob <sourceforge-raindog2@...> wrote:

> On Wednesday 14 May 2008 10:23, M0E Lnx wrote:
> > > - Note the window id of the Embedder control.
> >         HOW ???
>
> Every control has an "ID" property.
>
> > > - Run the embedded application and pass the previous window id as
> > > argument.
> >       HOW?
>
> You pass it on the command line from the calling program, and read it
> in the receiving program with Application.Args.  What format you use
> is up to you.
>
> > > - In the embedded application, set the Application.Embedder
> > > property to the received window id.
> >     WHICH WINDOW ID ?? THEM EMBEDDER'S OR THE EMBEDDED?
>
> He said "the received window id", so obviously he was referring to the
> ID he was talking about all along, which was the embedder control's
> ID.
>
> Also, don't use caps, it's rude.
>
> Rob
>
>
> -------------------------------------------------------------------------
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[M0E Lnx]

Ok.. I may have spoken too soon here

In the embedded application, before the main window loads, I have this

Application.Embedder = Application.Args[0]


On the Embedder application I have this

Dim sArg AS String
sArg = Me.Embedder1.ID

SHELL "/path/to/embedded/application " & sArg WAIT

ME.Embedder1.Embed(sArg)

Does that sound like it should work?




On Wed, May 14, 2008 at 10:27 AM, M0E Lnx <m0e.lnx@...> wrote:

> Thank you...
> I think I got it now.
>
> PS: Didn't mean to be rude, just wanted my questions to stand out from
> the rest of the text. Sorry for the misunderstanding.
>
>
>
>
> On Wed, May 14, 2008 at 10:09 AM, Rob <sourceforge-raindog2@...> wrote:
> > On Wednesday 14 May 2008 10:23, M0E Lnx wrote:
> > > > - Note the window id of the Embedder control.
> > >         HOW ???
> >
> > Every control has an "ID" property.
> >
> > > > - Run the embedded application and pass the previous window id as
> > > > argument.
> > >       HOW?
> >
> > You pass it on the command line from the calling program, and read it
> > in the receiving program with Application.Args.  What format you use
> > is up to you.
> >
> > > > - In the embedded application, set the Application.Embedder
> > > > property to the received window id.
> > >     WHICH WINDOW ID ?? THEM EMBEDDER'S OR THE EMBEDDED?
> >
> > He said "the received window id", so obviously he was referring to the
> > ID he was talking about all along, which was the embedder control's
> > ID.
> >
> > Also, don't use caps, it's rude.
> >
> > Rob
> >
> >
> > -------------------------------------------------------------------------
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2008.
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> > Gambas-user@...
> > https://lists.sourceforge.net/lists/listinfo/gambas-user
> >
>

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[Benoit Minisini]

On mercredi 14 mai 2008, M0E Lnx wrote:
> Ok.. I may have spoken too soon here
>
> In the embedded application, before the main window loads, I have this
>
> Application.Embedder = Application.Args[0]

Correct.

>
>
> On the Embedder application I have this
>
> Dim sArg AS String
> sArg = Me.Embedder1.ID

OK.

>
> SHELL "/path/to/embedded/application " & sArg WAIT

OK.

>
> ME.Embedder1.Embed(sArg)

No! The embedding is done by the child process, so you don't have to, and must
not do it again in the parent process.

The Embedder.Embed() method is only there for embedding programs not written
in Gambas. For programs written in Gambas you should (must?) use this method.

Anyway the focus problem is there. I tried to understand what happens with
Gambas application, as it is a Gambas problem (if you embed Konqueror for
example, it can get focus normally). But I didn't succeed. Note that I
upgraded the XEMBED support in gb.qt recently to the last version provided by
TrollTech, but it didn't change anything.

Regards,

--
Benoit Minisini

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[M0E Lnx]

With this, I have added debugging lines to both applications to verify
the correct argument is being parsed

I can see that the embedded as well as the embedder applications are running.
The problem now is that I do not see the embedded application in the
host(embedder) application.

Please advise.

BTW, I just found out that the Application.Args[] Array starts with 1,
0 is the path to application I guess.


On Wed, May 14, 2008 at 10:46 AM, M0E Lnx <m0e.lnx@...> wrote:

> Ok.. I may have spoken too soon here
>
> In the embedded application, before the main window loads, I have this
>
> Application.Embedder = Application.Args[0]
>
>
> On the Embedder application I have this
>
> Dim sArg AS String
> sArg = Me.Embedder1.ID
>
> SHELL "/path/to/embedded/application " & sArg WAIT
>
> ME.Embedder1.Embed(sArg)
>
> Does that sound like it should work?
>
>
>
>
> On Wed, May 14, 2008 at 10:27 AM, M0E Lnx <m0e.lnx@...> wrote:
>> Thank you...
>> I think I got it now.
>>
>> PS: Didn't mean to be rude, just wanted my questions to stand out from
>> the rest of the text. Sorry for the misunderstanding.
>>
>>
>>
>>
>> On Wed, May 14, 2008 at 10:09 AM, Rob <sourceforge-raindog2@...> wrote:
>> > On Wednesday 14 May 2008 10:23, M0E Lnx wrote:
>> > > > - Note the window id of the Embedder control.
>> > >         HOW ???
>> >
>> > Every control has an "ID" property.
>> >
>> > > > - Run the embedded application and pass the previous window id as
>> > > > argument.
>> > >       HOW?
>> >
>> > You pass it on the command line from the calling program, and read it
>> > in the receiving program with Application.Args.  What format you use
>> > is up to you.
>> >
>> > > > - In the embedded application, set the Application.Embedder
>> > > > property to the received window id.
>> > >     WHICH WINDOW ID ?? THEM EMBEDDER'S OR THE EMBEDDED?
>> >
>> > He said "the received window id", so obviously he was referring to the
>> > ID he was talking about all along, which was the embedder control's
>> > ID.
>> >
>> > Also, don't use caps, it's rude.
>> >
>> > Rob
>> >
>> >
>> > -------------------------------------------------------------------------
>> > This SF.net email is sponsored by: Microsoft
>> > Defy all challenges. Microsoft(R) Visual Studio 2008.
>> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
>> > _______________________________________________
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>> > Gambas-user@...
>> > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> >
>>
>

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[Rob Kudla]

On Wednesday 14 May 2008 11:46, M0E Lnx wrote:
> SHELL "/path/to/embedded/application " & sArg WAIT
> ME.Embedder1.Embed(sArg)
> Does that sound like it should work?

Probably not.  The WAIT means that your calling program will only get
to the Embedder1.Embed call after /path/to/embedded/application has
already exited (or at least that's what's supposed to happen.)

Rob

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[M0E Lnx]

I noticed that
I have removed the WAIT but it's still not doing it...
I get the 2 applications, but the embedder shows am empty window and I
get a new window as if I just ran the embedded externally

I have forms designed in the IDE by hand (ie, not generated from code)

On the Startap Class form open() event my first line reads
Application.Embedder = Application.Args[1]

Is this the right place for it?

I'm having it print the Application.Args[1] value to verify it's
getting the argument, and indeed it is... but it's not displaying like
I want it to.

:(





On Wed, May 14, 2008 at 11:47 AM, Rob <sourceforge-raindog2@...> wrote:

> On Wednesday 14 May 2008 11:46, M0E Lnx wrote:
>> SHELL "/path/to/embedded/application " & sArg WAIT
>> ME.Embedder1.Embed(sArg)
>> Does that sound like it should work?
>
> Probably not.  The WAIT means that your calling program will only get
> to the Embedder1.Embed call after /path/to/embedded/application has
> already exited (or at least that's what's supposed to happen.)
>
> Rob
>
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[M0E Lnx]

> Anyway the focus problem is there. I tried to understand what happens with
> Gambas application, as it is a Gambas problem (if you embed Konqueror for
> example, it can get focus normally). But I didn't succeed. Note that I
> upgraded the XEMBED support in gb.qt recently to the last version provided by
> TrollTech, but it didn't change anything.
>
> Regards,
>
> --
> Benoit Minisini

Does this mean that even if somehow I manage to get the embedding to
work (which is not ATM), I would still have the focus problem even
with pure gambas2 apps?

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[M0E Lnx]

Ok.. I'm still stuck here... This is what the console says when I run this code

(skel.gambas:19431): Gdk-WARNING **: GdkWindow 0x2200003 unexpectedly destroyed

(skel.gambas:19431): Gtk-CRITICAL **: gtk_window_group_remove_window:
assertion `window->group == window_group' failed

Can someone please help me figure out what I'm doing wrong here?

On Wed, May 14, 2008 at 3:23 PM, M0E Lnx <m0e.lnx@...> wrote: