/////////////////////////////////////////////////////////////////////////////
-// Name: msw/radiobut.cpp
+// Name: src/msw/radiobut.cpp
// Purpose: wxRadioButton
// Author: Julian Smart
// 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__
- #pragma implementation "radiobut.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_RADIOBTN
+#include "wx/radiobut.h"
+
#ifndef WX_PRECOMP
- #include "wx/radiobut.h"
#include "wx/settings.h"
- #include "wx/brush.h"
+ #include "wx/dcscreen.h"
#endif
#include "wx/msw/private.h"
// wxRadioButton creation
// ----------------------------------------------------------------------------
+
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxRadioButtonStyle )
+
+wxBEGIN_FLAGS( wxRadioButtonStyle )
+ // new style border flags, we put them first to
+ // use them for streaming out
+ wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+ wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+ wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+ wxFLAGS_MEMBER(wxBORDER_RAISED)
+ wxFLAGS_MEMBER(wxBORDER_STATIC)
+ wxFLAGS_MEMBER(wxBORDER_NONE)
+
+ // old style border flags
+ wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+ wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+ wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+ wxFLAGS_MEMBER(wxRAISED_BORDER)
+ wxFLAGS_MEMBER(wxSTATIC_BORDER)
+ wxFLAGS_MEMBER(wxBORDER)
+
+ // standard window styles
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+ wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+ wxFLAGS_MEMBER(wxWANTS_CHARS)
+ wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+ wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+ wxFLAGS_MEMBER(wxVSCROLL)
+ wxFLAGS_MEMBER(wxHSCROLL)
+
+ wxFLAGS_MEMBER(wxRB_GROUP)
+
+wxEND_FLAGS( wxRadioButtonStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioButton, wxControl,"wx/radiobut.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxRadioButton)
+ wxEVENT_PROPERTY( Click , wxEVT_COMMAND_RADIOBUTTON_SELECTED , wxCommandEvent )
+ wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+ wxPROPERTY( Value ,bool, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+ wxPROPERTY_FLAGS( WindowStyle , wxRadioButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxRadioButton)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
+
+#else
IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
+#endif
+
void wxRadioButton::Init()
{
- m_focusJustSet = FALSE;
+ m_isChecked = false;
}
bool wxRadioButton::Create(wxWindow *parent,
const wxString& name)
{
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
+ return false;
+
+ long msStyle = WS_TABSTOP;
+ if ( HasFlag(wxRB_GROUP) )
+ msStyle |= WS_GROUP;
- long msStyle = HasFlag(wxRB_GROUP) ? WS_GROUP : 0;
+ /*
+ 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;
+ if ( HasFlag(wxALIGN_RIGHT) )
+ msStyle |= BS_LEFTTEXT | BS_RIGHT;
if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) )
- return FALSE;
+ return false;
// 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
// do it)
if ( HasFlag(wxRB_GROUP) )
- SetValue(TRUE);
+ SetValue(true);
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
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)
- (void)::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM)value, 0L);
+ (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L);
+
+ m_isChecked = value;
+
+ // 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 ( m_isChecked )
+ {
+ // If another radiobutton in the group currently has the focus, we have to
+ // set it to this radiobutton, else the old readiobutton will be reselected
+ // automatically, if a parent window loses the focus and regains it.
+ bool shouldSetFocus = false;
+ wxWindow* pFocusWnd = FindFocus();
+
+ 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 && btn->HasFlag(wxRB_SINGLE) )
+ {
+ // A wxRB_SINGLE button isn't part of this group
+ break;
+ }
+
+ if (btn)
+ {
+ if (btn == pFocusWnd)
+ shouldSetFocus = true;
+
+ 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) || btn->HasFlag(wxRB_SINGLE) ) )
+ {
+ // no more buttons or the first button of the next group
+ break;
+ }
+
+ if (btn)
+ {
+ if (btn == pFocusWnd)
+ shouldSetFocus = true;
+
+ btn->SetValue(false);
+ }
+ }
+ if (shouldSetFocus)
+ SetFocus();
+ }
}
bool wxRadioButton::GetValue() const
{
- // NB: this will also return TRUE for BST_INDETERMINATE value if we ever
- // have 3-state radio buttons
- return ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0;
+ wxASSERT_MSG( m_isChecked ==
+ (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0),
+ _T("wxRadioButton::m_isChecked is out of sync?") );
+
+ return m_isChecked;
}
// ----------------------------------------------------------------------------
void wxRadioButton::Command (wxCommandEvent& event)
{
- SetValue(event.m_commandInt != 0);
+ SetValue(event.GetInt() != 0);
ProcessCommand(event);
}
-void wxRadioButton::SetFocus()
-{
- // when the radio button receives a WM_SETFOCUS message it generates a
- // BN_CLICKED which is totally unexpected and leads to catastrophic results
- // if you pop up a dialog from the radio button event handler as, when the
- // dialog is dismissed, the focus is returned to the radio button which
- // 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
- // button gains focus
- m_focusJustSet = TRUE;
-
- wxControl::SetFocus();
-}
-
bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
if ( param != BN_CLICKED )
- return FALSE;
+ return false;
- if ( m_focusJustSet )
- {
- // see above: we want to ignore this event
- m_focusJustSet = FALSE;
- }
- else // a real clicked event
+ 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!)
+ SetValue(true);
+
wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
event.SetEventObject( this );
- event.SetInt( GetValue() );
+ event.SetInt(true); // always checked
ProcessCommand(event);
}
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
int wRadio, hRadio;
if ( !str.empty() )
{
- GetTextExtent(str, &wRadio, &hRadio);
+ GetTextExtent(GetLabelText(str), &wRadio, &hRadio);
wRadio += s_radioSize + GetCharWidth();
if ( hRadio < s_radioSize )
hRadio = s_radioSize;
}
- return wxSize(wRadio, hRadio);
+ wxSize best(wRadio, hRadio);
+ CacheBestSize(best);
+ return best;
}
#endif // wxUSE_RADIOBTN
projects / wxWidgets.git / blobdiff