WinCE fixes (in case a WinCE-friendly backend gets written one day)

[wxWidgets.git] / src / msw / radiobut.cpp

diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp
index 4cdecd98cf4dec7e00caf4a0551c9eedaae88180..42bbdc43e558bbcaa6cced7eeb8ca2fa4f6b52fa 100644 (file)
--- a/src/msw/radiobut.cpp
+++ b/src/msw/radiobut.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // 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

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "radiobut.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -33,7 +29,7 @@
 #ifndef WX_PRECOMP
     #include "wx/radiobut.h"
     #include "wx/settings.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"
 #endif
 
 #include "wx/msw/private.h"


@@ -46,11 +42,65 @@
 // wxRadioButton creation
 // ----------------------------------------------------------------------------
 
 // 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)
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)

+#endif
+

 
 void wxRadioButton::Init()
 {
 
 void wxRadioButton::Init()
 {

-    m_focusJustSet = FALSE;
+    m_isChecked = false;

 }
 
 bool wxRadioButton::Create(wxWindow *parent,
 }
 
 bool wxRadioButton::Create(wxWindow *parent,


@@ -63,26 +113,41 @@ bool wxRadioButton::Create(wxWindow *parent,
                            const wxString& name)
 {
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
                            const wxString& name)
 {
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )

-        return FALSE;
+        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;
 
     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) )
 
     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) )
 
     // 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;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -91,16 +156,91 @@ bool wxRadioButton::Create(wxWindow *parent,
 
 void wxRadioButton::SetValue(bool value)
 {
 
 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
 {
 }
 
 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;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -109,46 +249,30 @@ bool wxRadioButton::GetValue() const
 
 void wxRadioButton::Command (wxCommandEvent& event)
 {
 
 void wxRadioButton::Command (wxCommandEvent& event)
 {

-    SetValue(event.m_commandInt != 0);
+    SetValue(event.GetInt() != 0);

     ProcessCommand(event);
 }
 
     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 )
 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 );
         wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
         event.SetEventObject( this );

-        event.SetInt( GetValue() );
+        event.SetInt(true); // always checked

 
         ProcessCommand(event);
     }
 
 
         ProcessCommand(event);
     }
 

-    return TRUE;
+    return true;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -172,7 +296,7 @@ wxSize wxRadioButton::DoGetBestSize() const
     int wRadio, hRadio;
     if ( !str.empty() )
     {
     int wRadio, hRadio;
     if ( !str.empty() )
     {

-        GetTextExtent(str, &wRadio, &hRadio);
+        GetTextExtent(wxStripMenuCodes(str), &wRadio, &hRadio);

         wRadio += s_radioSize + GetCharWidth();
 
         if ( hRadio < s_radioSize )
         wRadio += s_radioSize + GetCharWidth();
 
         if ( hRadio < s_radioSize )


@@ -184,7 +308,10 @@ wxSize wxRadioButton::DoGetBestSize() const
         hRadio = s_radioSize;
     }
 
         hRadio = s_radioSize;
     }
 

-    return wxSize(wRadio, hRadio);
+    wxSize best(wRadio, hRadio);
+    CacheBestSize(best);
+    return best;

 }
 
 #endif // wxUSE_RADIOBTN
 }
 
 #endif // wxUSE_RADIOBTN

+