if ( HasFlag(wxRB_GROUP) )
msStyle |= WS_GROUP;
- /*
- wxRB_SINGLE is a temporary workaround for the following problem: if you
- have 2 radiobuttons in the same group but which are not consecutive in
- the dialog, Windows can enter an infinite loop! The simplest way to
- reproduce it is to create radio button, then a panel and then another
- radio button: then checking the last button hangs the app.
-
- Ideally, we'd detect (and avoid) such situation automatically but for
- now, as I don't know how to do it, just allow the user to create
- BS_RADIOBUTTON buttons for such situations.
- */
- msStyle |= HasFlag(wxRB_SINGLE) ? BS_RADIOBUTTON : BS_AUTORADIOBUTTON;
+ // we use BS_RADIOBUTTON and not BS_AUTORADIOBUTTON because the use of the
+ // latter can easily result in the application entering an infinite loop
+ // inside IsDialogMessage()
+ //
+ // we used to use BS_RADIOBUTTON only for wxRB_SINGLE buttons but there
+ // doesn't seem to be any harm to always use it and it prevents some hangs,
+ // see #9786
+ msStyle |= BS_RADIOBUTTON;
if ( HasFlag(wxCLIP_SIBLINGS) )
msStyle |= WS_CLIPSIBLINGS;
// for compatibility with wxGTK, the first radio button in a group is
// always checked (this makes sense anyhow as you need to ensure that at
- // least one button in the group is checked and this is the simlpest way to
+ // least one button in the group is checked and this is the simplest way to
// do it)
if ( HasFlag(wxRB_GROUP) )
SetValue(true);
// buttons in the same group: Windows doesn't do it automatically
//
// moreover, if another radiobutton in the group currently has the focus,
- // we have to set it to this radiobutton, else the old readiobutton will be
+ // we have to set it to this radiobutton, else the old radiobutton will be
// reselected automatically, if a parent window loses the focus and regains
// it.
wxWindow * const focus = FindFocus();
if ( !m_isChecked )
{
- // we have to do this for BS_RADIOBUTTON anyhow and, strangely enough,
- // sometimes this is needed even for BS_AUTORADIOBUTTON (when we
- // receive focus the button gets BN_CLICKED but stays unchecked!)
+ // we need to manually update the button state as we use BS_RADIOBUTTON
+ // and not BS_AUTORADIOBUTTON
SetValue(true);
wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());