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Merge branch 'a11y-state-changes' into 'main'

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a11y: Be safe against state type changes

See merge request GNOME/gtk!5018
This commit is contained in:
Emmanuele Bassi 2022-09-10 00:04:03 +00:00
commit dca57bebb7
1 changed files with 43 additions and 26 deletions
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69
gtk/a11y/gtkatspicontext.c
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@ -953,22 +953,30 @@ gtk_at_spi_context_state_change (GtkATContext *ctx,
{
value = gtk_accessible_attribute_set_get_value (states, GTK_ACCESSIBLE_STATE_CHECKED);
switch (gtk_tristate_accessible_value_get (value))
if (value->value_class->type == GTK_ACCESSIBLE_VALUE_TYPE_TRISTATE)
{
switch (gtk_tristate_accessible_value_get (value))
{
case GTK_ACCESSIBLE_TRISTATE_TRUE:
emit_state_changed (self, "checked", TRUE);
emit_state_changed (self, "indeterminate", FALSE);
break;
case GTK_ACCESSIBLE_TRISTATE_MIXED:
emit_state_changed (self, "checked", FALSE);
emit_state_changed (self, "indeterminate", TRUE);
break;
case GTK_ACCESSIBLE_TRISTATE_FALSE:
emit_state_changed (self, "checked", FALSE);
emit_state_changed (self, "indeterminate", FALSE);
break;
default:
break;
}
}
else
{
case GTK_ACCESSIBLE_TRISTATE_TRUE:
emit_state_changed (self, "checked", TRUE);
emit_state_changed (self, "indeterminate", FALSE);
break;
case GTK_ACCESSIBLE_TRISTATE_MIXED:
emit_state_changed (self, "checked", FALSE);
emit_state_changed (self, "indeterminate", TRUE);
break;
case GTK_ACCESSIBLE_TRISTATE_FALSE:
emit_state_changed (self, "checked", FALSE);
emit_state_changed (self, "indeterminate", FALSE);
break;
default:
break;
}
}
@ -1011,22 +1019,31 @@ gtk_at_spi_context_state_change (GtkATContext *ctx,
if (changed_states & GTK_ACCESSIBLE_STATE_CHANGE_PRESSED)
{
value = gtk_accessible_attribute_set_get_value (states, GTK_ACCESSIBLE_STATE_PRESSED);
switch (gtk_tristate_accessible_value_get (value))
if (value->value_class->type == GTK_ACCESSIBLE_VALUE_TYPE_TRISTATE)
{
switch (gtk_tristate_accessible_value_get (value))
{
case GTK_ACCESSIBLE_TRISTATE_TRUE:
emit_state_changed (self, "pressed", TRUE);
emit_state_changed (self, "indeterminate", FALSE);
break;
case GTK_ACCESSIBLE_TRISTATE_MIXED:
emit_state_changed (self, "pressed", FALSE);
emit_state_changed (self, "indeterminate", TRUE);
break;
case GTK_ACCESSIBLE_TRISTATE_FALSE:
emit_state_changed (self, "pressed", FALSE);
emit_state_changed (self, "indeterminate", FALSE);
break;
default:
break;
}
}
else
{
case GTK_ACCESSIBLE_TRISTATE_TRUE:
emit_state_changed (self, "pressed", TRUE);
emit_state_changed (self, "indeterminate", FALSE);
break;
case GTK_ACCESSIBLE_TRISTATE_MIXED:
emit_state_changed (self, "pressed", FALSE);
emit_state_changed (self, "indeterminate", TRUE);
break;
case GTK_ACCESSIBLE_TRISTATE_FALSE:
emit_state_changed (self, "pressed", FALSE);
emit_state_changed (self, "indeterminate", FALSE);
break;
default:
break;
}
}