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atspi: Use gtk_accessible_text_get_extents

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Implement the GetCharacterExtents and GetRangeExtents methods of
the atspi Text interface using the new GtkAccessibleText api.
This commit is contained in:
Matthias Clasen
2024-03-10 14:28:07 -04:00
parent 3134003376
commit 7955efef6c
1 changed files with 76 additions and 2 deletions
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78
gtk/a11y/gtkatspitext.c
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@@ -330,11 +330,85 @@ accessible_text_handle_method (GDBusConnection *connection,
}
else if (g_strcmp0 (method_name, "GetCharacterExtents") == 0)
{
g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
int offset;
unsigned int coords_type;
graphene_rect_t extents;
graphene_point_t point;
int x, y, w, h;
GtkNative *native;
double nx, ny;
g_variant_get (parameters, "(iu)", &offset, &coords_type);
if (coords_type != ATSPI_COORD_TYPE_WINDOW)
{
g_dbus_method_invocation_return_error_literal (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_NOT_SUPPORTED,
"Unsupported coordinate space");
return;
}
native = gtk_widget_get_native (GTK_WIDGET (accessible));
gtk_native_get_surface_transform (native, &nx, &ny);
if (!gtk_accessible_text_get_extents (accessible_text, offset, offset + 1, &extents) ||
!gtk_widget_compute_point (GTK_WIDGET (accessible), GTK_WIDGET (native), &extents.origin, &point))
{
g_dbus_method_invocation_return_error_literal (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Failed to get extents");
return;
}
x = floor (point.x + nx);
y = floor (point.y + ny);
w = ceilf (extents.size.width) - x;
h = ceilf (extents.size.height) - y;
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(iiii)", x, y, w, h));
}
else if (g_strcmp0 (method_name, "GetRangeExtents") == 0)
{
g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
int start, end;
guint coords_type;
graphene_rect_t extents;
graphene_point_t point;
int x, y, w, h;
GtkNative *native;
double nx, ny;
g_variant_get (parameters, "(iiu)", &start, &end, &coords_type);
if (coords_type != ATSPI_COORD_TYPE_WINDOW)
{
g_dbus_method_invocation_return_error_literal (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_NOT_SUPPORTED,
"Unsupported coordinate space");
return;
}
native = gtk_widget_get_native (GTK_WIDGET (accessible));
gtk_native_get_surface_transform (native, &nx, &ny);
if (!gtk_accessible_text_get_extents (accessible_text, start, end, &extents) ||
!gtk_widget_compute_point (GTK_WIDGET (accessible), GTK_WIDGET (native), &extents.origin, &point))
{
g_dbus_method_invocation_return_error_literal (invocation,
G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Failed to get extents");
return;
}
x = floor (point.x + nx);
y = floor (point.y + ny);
w = ceilf (extents.size.width) - x;
h = ceilf (extents.size.height) - y;
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(iiii)", x, y, w, h));
}
else if (g_strcmp0 (method_name, "GetBoundedRanges") == 0)
{