// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "radiobut.h"
#endif
// wxRadioButton creation
// ----------------------------------------------------------------------------
+
+#if wxUSE_EXTENDED_RTTI
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioButton, wxControl,"wx/radiobut.h")
+
+WX_BEGIN_PROPERTIES_TABLE(wxRadioButton)
+ WX_DELEGATE( OnClick , wxEVT_COMMAND_RADIOBUTTON_SELECTED , wxCommandEvent )
+ WX_PROPERTY( Font , wxFont , SetFont , GetFont , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ WX_PROPERTY( Label,wxString, SetLabel, GetLabel, wxEmptyString, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+ WX_PROPERTY( Value ,bool, SetValue, GetValue,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+WX_END_PROPERTIES_TABLE()
+
+WX_BEGIN_HANDLERS_TABLE(wxRadioButton)
+WX_END_HANDLERS_TABLE()
+
+WX_CONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
+
+#else
IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
+#endif
+
void wxRadioButton::Init()
{
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return FALSE;
- long msStyle = HasFlag(wxRB_GROUP) ? WS_GROUP : 0;
+ long msStyle = WS_TABSTOP;
+ 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.
- msStyle |= BS_AUTORADIOBUTTON;
+ 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;
if ( HasFlag(wxCLIP_SIBLINGS) )
msStyle |= WS_CLIPSIBLINGS;
void wxRadioButton::SetValue(bool value)
{
// BST_CHECKED is defined as 1, BST_UNCHECKED as 0, so we can just pass
- // value as is (we don't sue BST_XXX here as they're not defined for Win16)
+ // value as is (we don't use BST_XXX here as they're not defined for Win16)
(void)::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM)value, 0L);
+
+ // if we set the value of one radio button we also must clear all the other
+ // buttons in the same group: Windows doesn't do it automatically
+ if ( value )
+ {
+ const wxWindowList& siblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator nodeThis = siblings.Find(this);
+ wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") );
+
+ // if it's not the first item of the group ...
+ if ( !HasFlag(wxRB_GROUP) )
+ {
+ // ... turn off all radio buttons before it
+ for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious();
+ nodeBefore;
+ nodeBefore = nodeBefore->GetPrevious() )
+ {
+ wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(),
+ wxRadioButton);
+ if ( !btn )
+ {
+ // the radio buttons in a group must be consecutive, so
+ // there are no more of them
+ break;
+ }
+
+ btn->SetValue(FALSE);
+
+ if ( btn->HasFlag(wxRB_GROUP) )
+ {
+ // even if there are other radio buttons before this one,
+ // they're not in the same group with us
+ break;
+ }
+ }
+ }
+
+ // ... and also turn off all buttons after this one
+ for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext();
+ nodeAfter;
+ nodeAfter = nodeAfter->GetNext() )
+ {
+ wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(),
+ wxRadioButton);
+
+ if ( !btn || btn->HasFlag(wxRB_GROUP) )
+ {
+ // no more buttons or the first button of the next group
+ break;
+ }
+
+ btn->SetValue(FALSE);
+ }
+ }
}
bool wxRadioButton::GetValue() const
// generates BN_CLICKED which leads to showing another dialog and so on
// without end!
//
- // to aviod this, we drop the pseudo BN_CLICKED events generated when the
+ // to avoid this, we drop the pseudo BN_CLICKED events generated when the
// button gains focus
m_focusJustSet = TRUE;
}
else // a real clicked event
{
+ bool isChecked = GetValue();
+
+ if ( HasFlag(wxRB_SINGLE) )
+ {
+ // when we use a "manual" radio button, we have to check the button
+ // ourselves -- but it's reset to unchecked state by the user code
+ // (presumably when another button is pressed)
+ if ( !isChecked )
+ SetValue(TRUE);
+ }
+
wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
event.SetEventObject( this );
- event.SetInt( GetValue() );
+ event.SetInt(isChecked);
ProcessCommand(event);
}
return wxSize(wRadio, hRadio);
}
+long wxRadioButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ if (nMsg == WM_SETFOCUS)
+ {
+ m_focusJustSet = TRUE;
+
+ long ret = wxControl::MSWWindowProc(nMsg, wParam, lParam);
+
+ m_focusJustSet = FALSE;
+
+ return ret;
+ }
+ return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
#endif // wxUSE_RADIOBTN
projects / wxWidgets.git / blobdiff