Hi,
On Tue, 2007-09-25 at 08:16 -0400, Jody Goldberg wrote:
Undo comes with Redo, which is sufficient information to make a
replay a modification from a known state.
Not necessarily. A common approach to Undo/Redo is to store the
information before the operation on the undo stack. Then, when
On Mon, 2007-09-24 at 09:23 -0400, Jody Goldberg wrote:
On Mon, Sep 24, 2007 at 02:41:19PM +0200, Rodrigo Moya wrote:
On Fri, 2007-09-21 at 16:21 -0300, Johan Dahlin wrote:
I'm not sure we should talk about a 'document' there, there are many
operations outside of documents which
On Wed, 2007-09-26 at 13:08 +0200, Rodrigo Moya wrote:
[...]
It seems useful for anything that operates on persistent data, be it
a document, or control-center settings.
I'm thinking, maybe a crazy idea though, but this could also be useful,
once the actions are stored in a file, to be
On Mon, Sep 24, 2007 at 08:32:01PM +0200, Sven Neumann wrote:
Hi,
On Mon, 2007-09-24 at 09:23 -0400, Jody Goldberg wrote:
The 'transaction' refered to a mechanism for persisting the details
of each operation to a file.
1) The options could be re-played in the case of failure.
On Sat, 2007-09-22 at 01:01 +0100, Iain * wrote:
Do you allow nested undo groups? This is rather important
if you want to compose actions from smaller actions and still allow
scripts or other higher levels to combine these into a single undo step.
We make heavy use of nested undo groups
On Mon, Sep 24, 2007 at 02:41:19PM +0200, Rodrigo Moya wrote:
On Fri, 2007-09-21 at 16:21 -0300, Johan Dahlin wrote:
I'm not sure we should talk about a 'document' there, there are many
operations outside of documents which are undoable.
yes, we are not talking only about document,
Hi,
On Mon, 2007-09-24 at 09:23 -0400, Jody Goldberg wrote:
The 'transaction' refered to a mechanism for persisting the details
of each operation to a file.
1) The options could be re-played in the case of failure.
2) The data would provide useful hooks for auditing and
I would find it useful if such an undo system would do away with the stack
view of things and use the back-in-time view that Emacs uses.
For example, if we have
Do A, Do B, Do C, Undo C, Do D
then it should be possible to rewind history to the point where C was done.
Morten
On Fri, 2007-09-21 at 17:51 +0100, Iain * wrote:
I've had an undo framework in Marlin for years now, but recently
people have been using it in other things (notably Ross in Tasks - ok,
actually, he's the only one) and we discussed suggesting this for
inclusion in GTK at some point
On Fri, 2007-09-21 at 17:51 +0100, Iain * wrote:
Hi,
I've had an undo framework in Marlin for years now, but recently
people have been using it in other things (notably Ross in Tasks - ok,
actually, he's the only one) and we discussed suggesting this for
inclusion in GTK at some point
On 9/21/07, Tristan Van Berkom [EMAIL PROTECTED] wrote:
Should be noted here that from my particular experience, writing
code that is undoable (i.e. filling in the execute()/undo() routines
for a given undoable command) is far more challenging than writing
a framework that supports it - but
David Trowbridge wrote:
You might want to look at the undo implementation in Tomboy. It
implements the mergeable command idea fairly nicely.
Or look at GtkSourceView, or look for it in bugzilla,
or look at bunch of other implementations (I am sure
there are *plenty*, minimum two in every
Hi,
On Fri, 2007-09-21 at 17:51 +0100, Iain * wrote:
I've had an undo framework in Marlin for years now, but recently
people have been using it in other things (notably Ross in Tasks - ok,
actually, he's the only one) and we discussed suggesting this for
inclusion in GTK at some point
to combine these into a single undo step.
We make heavy use of nested undo groups in GIMP.
I am not trying to argue that the GIMP undo system would be suitable for
use anywhere outside GIMP. But we might want to adopt a more general
undo framework if it is provided by GLib/GTK+ and allows us
On Fri, Sep 21, 2007 at 05:51:26PM +0100, Iain * wrote:
Hi,
I've had an undo framework in Marlin for years now, but recently
people have been using it in other things (notably Ross in Tasks - ok,
actually, he's the only one) and we discussed suggesting this for
inclusion in GTK at some
Jody Goldberg wrote:
On Fri, Sep 21, 2007 at 05:51:26PM +0100, Iain * wrote:
Hi,
I've had an undo framework in Marlin for years now, but recently
people have been using it in other things (notably Ross in Tasks - ok,
actually, he's the only one) and we discussed suggesting
Do you allow nested undo groups? This is rather important
if you want to compose actions from smaller actions and still allow
scripts or other higher levels to combine these into a single undo step.
We make heavy use of nested undo groups in GIMP.
We allow one level of nesting, I can see your
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