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a11y: Implement atspi.Text.GetCharacterExtents for GtkTextView

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Retrieve the location of a given offset in window-relative coordinate
space.
This commit is contained in:
Emmanuele Bassi 2022-05-23 15:54:13 +01:00
parent 393893b8db
commit 7750a2c423
1 changed files with 34 additions and 1 deletions
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35
gtk/a11y/gtkatspitext.c
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@ -1098,7 +1098,40 @@ text_view_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 = 0;
guint coords_type;
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;
}
GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
GtkTextIter iter;
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
GdkRectangle rect = { 0, };
gtk_text_view_get_iter_location (GTK_TEXT_VIEW (widget), &iter, &rect);
int x, y;
gtk_text_view_buffer_to_window_coords (GTK_TEXT_VIEW (widget),
GTK_TEXT_WINDOW_WIDGET,
rect.x, rect.y,
&x, &y);
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(iiii)",
x,
y,
rect.width,
rect.height));
}
else if (g_strcmp0 (method_name, "GetRangeExtents") == 0)
{