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bf0f3a82cf
Commit Graph

799 Commits

Author SHA1 Message Date
Matthias Clasen
bf0f3a82cf atspi: Make text change notification work 
Make text change notification work for editables, by connecting
to the ::insert-text and ::delete-text signals on the wrapped
GtkText widget, and for GtkTextView by connecting to the
corresponding GtkTextBuffer signals.

This code is more or less directly copied from GtkTextViewAccessible
and GtkEntryAccessible in GTK 3.
 2020-10-13 09:44:04 -04:00
Matthias Clasen
81440675af atspi: Set placeholder-text attribute 
This is how GTK3 passes placeholder-text to orca,
and it works - orca reads it.
 2020-10-12 23:31:03 -04:00
Matthias Clasen
3af56f5216 atspi: Implement EditableText interface for the entry wrappers 
Drop the EditableText implementation for GtkText,
and implement it for all the wrapper widgets instead.
 2020-10-12 22:07:18 -04:00
Matthias Clasen
b7ac660f37 atspi: Implement Text interface for the entry wrappers 
Drop the Text implementation for GtkText, and implement
it for all the wrapper widgets instead.
 2020-10-12 21:45:48 -04:00
Matthias Clasen
d0d7848cf2 atspi: Use gtk_accessible_get_platform_state 2020-10-12 21:45:48 -04:00
Matthias Clasen
663934b2dc atspi: Use gtk_accessible_should_present 
Replace explicit visibility check by this
more general method of determining whether
an accessible should be presented to the
a11y layer.
 2020-10-12 21:43:17 -04:00
Matthias Clasen
5eb482ebaa atspi: Treat all entries the same for collecting state 
We are determining editable state based on the
accessible role (although we could make it platform
state now), so cover all the roles that we use for
entry wrappers.
 2020-10-12 21:43:17 -04:00
Matthias Clasen
61474b5a94 atspi: Fix collecting states 
This is somewhat embarrassing.
 2020-10-12 21:42:51 -04:00
Matthias Clasen
8f63443393 Fix the build 2020-10-12 21:37:09 -04:00
Matthias Clasen
dd650ff90e atspi: D-Bus methods return tuples 
I've learned this the hard way: When returning a
value from a D-Bus call, the variant construct must
*always* be g_variant_new ("(...)"...
 2020-10-12 15:50:36 -04:00
Matthias Clasen
101cbe690e Don't unref a floating variant 
It gets consumed somewhere along the way.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
62747eb243 atspi: Unregister objects on the bus 
When a widget is going away, we need to remove
the context from the bus, or else ATs might have
the idea to call methods on them, leading to badness.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
d432cbb02b atspi: Emit property changes for focus 
With this orca, actually speaks \o/.  Sadly, it only
says 'gtk modelbutton widget' so far, but its a start.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
45e82adf87 atspi: Cosmetics 
Use simple wrappers instead of opencoding bit twiddling
all over the place.
 2020-10-12 15:10:40 -04:00
Matthias Clasen
b5ee73d299 a11y: Pass on platform changes 
Add an enum for 'platform changes' to the at context
change notification mechanism. This will let us pass
along things that ARIA considers 'platform state' such
as focus or editability. The difference between the
platform state and other ARIA states is that we don't
keep the platform state separately in the at context
- backends are expected to just query the widgets.

This is just about avoiding notify listeners for
change notification.
 2020-10-12 15:10:40 -04:00
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
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
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
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
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