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Author SHA1 Message Date
Matthias Clasen
578c8b5068 atspi: Be more careful about indexes 
Don't return a number for IndexInParent when we
don't have one.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
f9ee23825e atspi: Set some more atspi states 
Pass on more of the states that are represented
as properties in aria: modal, multi-line, orientation.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
35f70d5a99 Pass orientation property to accessible 
We should set the accessible properties we have,
where they make sense. So set orientation, if the
widget is orientable.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
54f1eb4c04 wip: Emit StateChanged signals 
This is not fully baked, but it is enough to make accerciser
notice when a text entry goes from editable to not editable.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
66a81f1187 atspi: Derive readonly state from aria properties 
We can use the read-only property, together with the
accessible role, to determine whether to set editable
and read-only states for at-spi. This lets us avoid
directly poking at the widgets.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
2a5af4e1d6 text: Set the readonly accessible property 
This mirrors what we already do for GtkTextView.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
d37b0357b3 atspi: Set editable state 
ATs look at not just the implemented interfaces, but
also the states to decide what to do. It turns out that
the EditableText interface is only used by accerciser
if the editable state is set. So set it.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
aea25cbbe5 atspi: Implement EditableText interface 
Implement EditableText for GtkText and GtkTextView.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
a72a7d4aeb atspi: Break out the Value implementation 
This isn't necessarily very big, but it keeps
the widget checks out of gtkatspicontext.c, and
it is a nice pattern.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
d38182bb5d atspi: Break out the Text implementations 
Move the implementation of the Text interface
to its own source file, and split it up along
widget lines, to avoid it becoming too messy.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
f22edccb2a scalebutton: Set accessible value properties 
This is what we did in GTK 3.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
dc9fee6185 paned: Set accessible value properties 
This is what we did in GTK 3.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
776b4aee0c Simplify GetInterfaces handling 
It is error prone to keep the same conditions in sync
in two places. Instead, just assemble the list of interfaces
as we register objects, and use when GetInterfaces is called.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
d37782c533 atspi: Implement Value for more widgets 
Apply the Value implementation to the widgets where
we had one in GTK 3: GtkLevelBar, GtkRange, GtkScaleButton,
GtkSpinButton, GtkPaned, GtkProgressBar. To make these
work, the widgets need to set the accessible value properties.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
8c3e5124c2 atspi: Implement Value interface for ranges 2020-10-12 15:10:40 -04:00
Matthias Clasen
190059dca1 atspi: Implement Text interface for text views 
With this, all relevant widgets support the
Text interface.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
925ef1f90f atspi: Add textview utilities 
These are very similar to the pango utilities,
and are copying code from the textview accessible
implementation in GTK 3.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
ba63daa1d2 atspi: Export more pango utils 
We are going to reuse some of the code that does
the pango -> atspi attribute conversion for text
tags.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
5b076fee12 atspi: Implement text for GtkText widgets too 
There is some open question here whether the interface
should be implemented on the outer or the inner widget
of the entry-text pairs. For now, our hand is forced,
since only GtkText provides access to the layout that
we need for implementing many of the interface methods.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
b80272a7e7 atspi: Implement Text interface for labels 
This is a not-quite-complete implementation of the
Text interface for GtkLabel. The missing parts are
anything around extents and positions, as well as
the ScrollSubstring apis.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
7c8a16812e atspi: Add pango utilities 
This code is more or less a direct copy of what
we had in gtkpango.c in 3.x.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
ddb72accc0 atspicontext: Fix GetIndexInParent for toplevels 
For toplevels, we need to return the index in the
list of toplevels, since that is what GtkAtspiRoot
is using.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
824ab7e4ed atcontext: labelled-by has a reference list 
This is unclear - our docs state that all the
relations have value type reference, but in fact
they all have value type reference list.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
3a867e26d0 atspicontext: Implement GetRelationSet 
This translates relations as far as the match.

I'm not sure yet what we can do about the fact that
atspi expects relations to be bidirectional (ie have
label-for *and* labelled-by) while aria has only one
direction.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
e269cb7a81 atspiroot: Stub out GetRelationSet 
This needs to be fully implemented, for now sending
an empty relation set back prevents accerciser from
getting hung up.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
0ae2ae7944 atspi: Add the AtspiRelationType enum 
This is what we need to map the aria relation
types to.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
5db6c4b038 Move atspi enums to gtkatspiprivate.h 2020-10-12 15:10:40 -04:00
Matthias Clasen
db6bd018ca Add a GetInterfaces method 
It turns out that accerciser depends on this undocumented
method that is not in the xml at all, otherwise interface
sections in the accerciser ui never get enabled.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
9d43e5bd59 Don't pass NULL to g_variant_new_string 
That does not work.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
edfc55ae89 atspi utils: Fix an oversight 
gtk_accessible_role_to_atspi_role must always return
an atspi role. The fallback was returning an aria
role.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
d6b64b5e29 Fixup: Add a forgotten #pragma once 2020-10-12 15:10:40 -04:00
Emmanuele Bassi
9ce790032d a11y: Convenience API for referencing ATSPI root node 
We turn the root node into a reference fairly often, so it's worth it to
have a utility function that does this for us.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
35163bd7cc a11y: Add utility function for null refs 
ATSPI was written for CORBA, which allows passing around "nil"
as valid object references.
 2020-10-12 16:19:32 +01:00
Matthias Clasen
9d0952bd7f atspicontext: Implement GetState 
Translate the aria states to at-spi's interpretation
of atk states.
 2020-10-12 16:19:32 +01:00
Matthias Clasen
e189ccc8ed atspiroot: Fix GetState implementation 
When the GetState signature says 'au', it actually
means a bitset that is sent as a pair of 32bit integers.
 2020-10-12 16:19:32 +01:00
Matthias Clasen
762fbf34fc atspiroot: Implement GetIndexInParent 
Just for good measure
 2020-10-12 16:19:32 +01:00
Matthias Clasen
9f73638d43 atspicontext: Implement GetIndexInParent 
This is needed for ATs to take our tree seriously.
 2020-10-12 16:19:32 +01:00
Matthias Clasen
057b447137 atspicontext: Implement more accessible api 
Implement GetChildAtIndex, GetChildren and ChildCount.
 2020-10-12 16:19:32 +01:00
Matthias Clasen
78690845b1 atspiroot: Implement GetChildren 
No surprises here.
 2020-10-12 16:19:32 +01:00
Matthias Clasen
2ea338a8cf atspiroot: Don't leak references 
The reffing getter trap, lurking behind g_list_model_get_item().
 2020-10-12 16:19:32 +01:00
Matthias Clasen
e2f3039663 atspiroot: Implement GetLocale 2020-10-12 16:19:32 +01:00
Matthias Clasen
8f20133769 atspicontext: Print out the a11y bus address 
Make our debug spew useful: Having the bus address
makes it easy to jump on the a11y bus to look around
with dbus tools.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
55b1fbd0f3 a11y: Localise the role name of the root node 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
b57f1588df a11y: Register the Accessible interface on all AtSpiContext instances 
This is not a complement implementation.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
60acdb9cad a11y: Implement more ATSPI methods on the root node 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
07759b158a a11y: Add method to extract desktop data 
We are going to need the desktop name and path to populate the parent
property of AtSpiContexts associated to top level widgets.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
9511c8273a a11y: Validate the DBus context path 
UUIDs use dashes to separate the various blocks; unfortunately, this
results in an invalid DBus object path. Replace the dashes with an
underscore.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
b85b1f5b51 a11y: Turn accessible roles to string 
Add a simple utility function to turn GtkAccessibleRole values into the
appropriate string, including localization.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
716024d882 a11y: Convert GTK roles to ATSPI ones 
There's not a precise, 1:1 mapping between the newer ARIA roles and the
older ATSPI ones. We make do with what we have.
 2020-10-12 16:19:32 +01:00
Emmanuele Bassi
21482e8264 a11y: Compute the label for a GtkATContext 
The ARIA spec defines the mechanism for determining the name of an
accessible element—see §4.3 of the WAI-ARIA spec.

We follow the specification as much as it makes sense for GTK to do
so:

 1. if the element is hidden, return an empty string
 1. if the element has a labelled-by relation set, retrieve the
    label of the related element
 2. if the element has a label property set, use the value of
    the property
 3. if neither labelled-by nor label attributes are set, we use
    the role to compute the name:
   - for a `range` role, we return the contents of the value of
     the `value-text` or `value-now` properties
   - for any other role, we return a textual representation of
     the GtkAccessibleRole enumeration value
 2020-10-12 16:19:32 +01:00