
Layered (Icon) Pane.
--------------------
Using gtk-demo (Icon View->Icon View Basics):

Case #1:
1/ Start Orca.
2/ Start gtk-demo (Icon View->Icon View Basics).
3/ Press Down arrow to move focus to the first icon ("bin").
   The "bin" icon is selected.
4/ Press Down
   The "lib" icon is selected. The "bin icon has been unselected.

At this point we get the following event:
OBJECT EVENT: focus:                                   detail=(0,0)
    app.name='gtk-demo' name='lib' role='icon' state='enabled focusable focused selectable sensitive showing visible' relations=''

with the following braille and speech output:

BRAILLE LINE:  'gtk-demo Application GtkIconView demo Frame ScrollPane LayeredPane lib Icon'
     VISIBLE:  'lib Icon', cursor=1
SPEECH OUTPUT: ''
SPEECH OUTPUT: 'lib icon selected'

----

Case #2:
1/ Start Orca.
2/ Start gtk-demo (Icon View->Icon View Basics).
3/ Press Down arrow to move focus to the first icon ("bin").
   The "bin" icon is selected.
4/ Press Shift-Down
   Both the "bin" and "lib" icons are now selected.

At this point we get the following event:
OBJECT EVENT: focus:                                   detail=(0,0)
    app.name='gtk-demo' name='lib' role='icon' state='enabled focusable focused selectable sensitive showing visible' relations=''

with the following braille and speech output:

BRAILLE LINE:  'gtk-demo Application GtkIconView demo Frame ScrollPane LayeredPane lib Icon'
     VISIBLE:  'lib Icon', cursor=1
SPEECH OUTPUT: ''
SPEECH OUTPUT: 'lib icon selected'

----

Case #3:
1/ Start Orca.
2/ Start gtk-demo (Icon View->Icon View Basics).
3/ Press Down arrow to move focus to the first icon ("bin").
   The "bin" icon is selected.
4/ Press Control-Down
   The "bin" icon is still selected and the dotted rectangle
   is around the "lib" icon.

At this point we get the following event:
OBJECT EVENT: focus:                                   detail=(0,0)
    app.name='gtk-demo' name='lib' role='icon' state='enabled focusable focused selectable sensitive showing visible' relations=''

with the following braille and speech output:

BRAILLE LINE:  'gtk-demo Application GtkIconView demo Frame ScrollPane LayeredPane lib Icon'
     VISIBLE:  'lib Icon', cursor=1
SPEECH OUTPUT: ''
SPEECH OUTPUT: 'lib icon'

----

Case #4:
1/ Start Orca.
2/ Start gtk-demo (Icon View->Icon View Basics).
3/ Press Down arrow to move focus to the first icon ("bin").
   The "bin" icon is selected.
4/ Press Control-Space
   The "bin" icon is no longer selected, but is surronded
   by the dotted rectangle.

When Control-Space is pressed, we do not get any events.
[BUG?] This would seem like a bug, otherwise we have no way of
detecting that the selection state for this icon has changed.


-----------------------------------------------------------------------------

Tree Table.
-----------
Using gtk-demo (Tree View->Tree Store):

Case #1:
1/ Start Orca.
2/ Start gtk-demo (Tree View->Tree Store).
3/ Press Down arrow to move focus to the "January" row.
   This row is surronded by the dotted rectangle but is 
   not selected.
4/ Press Down
   The "January" row is now selected.
5/ Press Down
   The "New Years Day" row is now selected. The "January"
   row has been unselected.

At this point we get the following events:

OBJECT EVENT: object:state-changed:selected            detail=(0,0)
    app.name='gtk-demo' name='January' role='table cell' state='enabled expandable expanded focusable focused selectable sensitive showing single line transient visible' relations='node child of'

OBJECT EVENT: object:selection-changed                 detail=(0,0)
    app.name='gtk-demo' name='None' role='tree table' state='enabled focusable focused sensitive showing visible manages descendants' relations=''

OBJECT EVENT: object:active-descendant-changed         detail=(78,0)
    app.name='gtk-demo' name='None' role='tree table' state='enabled focusable focused sensitive showing visible manages descendants' relations=''

with the last one generating the following braille and 
speech output:

BRAILLE LINE:  'gtk-demo Application Card planning sheet Frame ScrollPane TreeTable Holiday ColumnHeader New Years Day Cell TREE LEVEL 2'
     VISIBLE:  'New Years Day Cell TREE LEVEL 2', cursor=1
SPEECH OUTPUT: ''
SPEECH OUTPUT: 'Holiday column header'
SPEECH OUTPUT: 'New Years Day'
SPEECH OUTPUT: 'tree level 2'

----

Case #2:
1/ Start Orca.
2/ Start gtk-demo (Tree View->Tree Store).
3/ Press Down arrow to move focus to the "January" row.
   This row is surronded by the dotted rectangle but is
   not selected.
4/ Press Down
   The "January" row is now selected.
5/ Press Shift-Down
   Both the "January" and "New Years Day" rows are selected.

At this point we get the following events:

OBJECT EVENT: object:state-changed:selected            detail=(0,0)
    app.name='gtk-demo' name='January' role='table cell' state='enabled expandable expanded focusable focused selectable selected sensitive showing single line transient visible' relations='node child of'

OBJECT EVENT: object:state-changed:selected            detail=(1,0)
    app.name='gtk-demo' name='January' role='table cell' state='enabled expandable expanded focusable focused selectable selected sensitive showing single line transient visible' relations='node child of'

OBJECT EVENT: object:selection-changed                 detail=(0,0)
    app.name='gtk-demo' name='None' role='tree table' state='enabled focusable focused sensitive showing visible manages descendants' relations=''

OBJECT EVENT: object:active-descendant-changed         detail=(78,0)
    app.name='gtk-demo' name='None' role='tree table' state='enabled focusable focused sensitive showing visible manages descendants' relations=''

with the last one generating the following braille 
and speech output:

BRAILLE LINE:  'gtk-demo Application Card planning sheet Frame ScrollPane TreeTable Holiday ColumnHeader New Years Day Cell TREE LEVEL 2'
     VISIBLE:  'New Years Day Cell TREE LEVEL 2', cursor=1
SPEECH OUTPUT: ''
SPEECH OUTPUT: 'Holiday column header'
SPEECH OUTPUT: 'New Years Day'
SPEECH OUTPUT: 'tree level 2'

----

Case #3:
1/ Start Orca.
2/ Start gtk-demo (Tree View->Tree Store).
3/ Press Down arrow to move focus to the "January" row.
   This row is surronded by the dotted rectangle but is
   not selected.
4/ Press Down
   The "January" row is now selected.
5/ Press Control-Down
   The "January" row is still selected and the dotted rectangle
   is around the "New Years Day" row.

At this point we get the following event:

OBJECT EVENT: object:active-descendant-changed         detail=(78,0)
    app.name='gtk-demo' name='None' role='tree table' state='enabled focusable focused sensitive showing visible manages descendants' relations=''

with the following braille and speech output:

BRAILLE LINE:  'gtk-demo Application Card planning sheet Frame ScrollPane TreeTable Holiday ColumnHeader New Years Day Cell TREE LEVEL 2'
     VISIBLE:  'New Years Day Cell TREE LEVEL 2', cursor=1
SPEECH OUTPUT: ''
SPEECH OUTPUT: 'Holiday column header'
SPEECH OUTPUT: 'New Years Day'
SPEECH OUTPUT: 'tree level 2'

----

Case #4:
1/ Start Orca.
2/ Start gtk-demo (Tree View->Tree Store).
3/ Press Down arrow to move focus to the "January" row.
   This row is surronded by the dotted rectangle but is
   not selected.
4/ Press Down
   The "January" row is now selected.
5/ Press Control-Space
   The "January" row is no longer selected, but is surronded
   by the dotted rectangle.

At this point we get the following events:

OBJECT EVENT: object:state-changed:selected            detail=(0,0)
    app.name='gtk-demo' name='January' role='table cell' state='enabled expandable expanded focusable focused selectable sensitive showing single line transient visible' relations='node child of'

OBJECT EVENT: object:selection-changed                 detail=(0,0)
    app.name='gtk-demo' name='None' role='tree table' state='enabled focusable focused sensitive showing visible manages descendants' relations=''

but no braille or speech output is generated.

----

Case #5:
1/ Start Orca.
2/ Start gtk-demo (Tree View->Tree Store).
3/ Press Down arrow to move focus to the "January" row.
   This row is surronded by the dotted rectangle but is
   not selected.
4/ Press Down
   The "January" row is now selected.
5/ Press Down four more times.
   The "February" row is now selected.
6/ Press Shift-Left
   The three rows after the "February" row are collapsed.

At this point we get the following event:

OBJECT EVENT: object:state-changed:expanded            detail=(0,0)
    app.name='gtk-demo' name='February' role='table cell' state='active enabled expandable focusable selectable selected sensitive showing single line transient visible' relations='node child of'

with the following braille and speech output:

BRAILLE LINE:  'gtk-demo Application Card planning sheet Frame ScrollPane TreeTable Holiday ColumnHeader February Cell collapsed TREE LEVEL 1'
     VISIBLE:  'February Cell collapsed TREE LEV', cursor=1
SPEECH OUTPUT: 'collapsed'

=============================================================================
