[Gambas-user] gb.form.mdi : Attach/Detach

[B Bruen]

Yes, the gimp is probably a more common example.
B
On Tue, 1 Jul 2014 09:22:19 +0200
Fabien Bodard <gambas.fr at ...626...> wrote:

> So in a gimp way ?
> Le 1 juil. 2014 06:29, "B Bruen" <bbruen at ...2308...> a écrit :
> 
> > I am doing some experiments with detachable tabs in the gb.form.mdi
> > component.  A couple of things have come to light that I would like to
> > suggest (as a basis for discussion, rather than a bug or whatever).
> >
> > 1) There is no way to completely detach a window from a workspace.
> > That is, for example: suppose I have two workspaces on a form (or to
> > abstract even further perhaps two workspaces on two concurrently active
> > forms) and I want to move the current tab from this workspace to that
> > workspace. I have proved I can do that almost successfully by, to put it at
> > its' simplest:
> >   Workspace1.Detach(hWindow)
> >   Workspace2.Add(hWindow)
> > but the association with Workspace1 remains and has some interesting side
> > effects.
> > So, it appears (to me) there is no way to completely dissociate hWindow
> > from its' original Workspace.
> >
> > 2) When a window is Attached to a Workspace it is not automatically made
> > the ActiveWindow.
> > This may be "by design" but if I want to make the ActiveWindow in code
> > then there does not seem to be anything like an "Attached" event in the
> > Workspace that I can catch to effectively make this automatic Activation
> > happen.
> > (I have found a reasonably simple workaround for this but it is not
> > "intuitively obvious".
> >
> > 3) Similar to 2) there is no "Detached" event available whereby I could
> > set some values in the Workspace concerned or even in the detached window
> > that would allow me to affect later processing.  That's obscure.  Suppose I
> > have, as above, two workspaces and when I detach a window from one I need
> > to know later "which workspace it was detached from", it would be nice to
> > say set the Tag property to the name of the "original workspace".  Either...
> >
> > 3a) Because I would like to implement a menuitem in the detached window
> > that would allow a "Re-attach" action.
> > 3b) Because  even when the window is detached I may like to Reparent it in
> > some other container .... :-) tricky eh?
> >
> > 4) The Detach/Attach/Reparent methods are not exactly ... how can I say it
> > .... developer friendly?
> > Suppose I want to move a window from a workspace to some other container.
> >  When the window is associated with a workspace, ReParent does not work -
> > and silently at that.  The window must first be detached and then
> > reparented.  Conversely, moving it from another container to a workspace
> > involves a (fake) reparent, then either a Workspace.Add or, given that
> > there is no completely detach method, a Workspace.Attach call.
> >
> > As I said, these things are not really bugs or complaints, rather a
> > "Request For Comment".  I have a demo project displaying some of these
> > things which I will post if there is some interest.
> >
> > But, imagine an IDE wherein you could have both the form design and the
> > form code visible at the same time in an hsplitter, or where you could have
> > two (or more) class codes visible at the same time, or the ability to move
> > one of the "bits" of the properties tab to the bottom "debug" panel of the
> > IDE, or even move the toolbox into a vsplitter under the project browser
> > instead of having it clutter the bottom of the properties sidepanel ... or
> > even for that matter moving the properties thing into the middle pane... or
> > or or. Get my drift?
> >
> > Anyone familiar with, for example, how the Modellio layouts can be
> > manipulated in this way will understand what could be achieved here for the
> > gambas IDE.
> >
> > regards and looking forward to comments
> > Bruce
> >
> > --
> > B Bruen <bbruen at ...2308...>
> >
> >
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> Turn processes into business applications with Bonita BPM Community Edition
> Quickly connect people, data, and systems into organized workflows
> Winner of BOSSIE, CODIE, OW2 and Gartner awards
> http://p.sf.net/sfu/Bonitasoft
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-- 
B Bruen <bbruen at ...2308...>