/////////////////////////////////////////////////////////////////////////////
-// Name: radiobut.cpp
+// Name: src/os2/radiobut.cpp
// Purpose: wxRadioButton
// Author: David Webster
// Modified by:
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/setup.h"
#include "wx/radiobut.h"
-#include "wx/brush.h"
+
+#ifndef WX_PRECOMP
+ #include <stdio.h>
+ #include "wx/brush.h"
+ #include "wx/dcscreen.h"
+ #include "wx/settings.h"
#endif
#include "wx/os2/private.h"
-IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
+extern void wxAssociateWinWithHandle( HWND hWnd
+ ,wxWindowOS2* pWin
+ );
-void wxRadioButton::Command (
- wxCommandEvent& rEvent
-)
+void wxRadioButton::Init()
+{
+ m_bFocusJustSet = false;
+} // end of wxRadioButton::Init
+
+void wxRadioButton::Command ( wxCommandEvent& rEvent )
{
SetValue ((rEvent.GetInt() != 0) );
ProcessCommand (rEvent);
} // end of wxRadioButton::Command
-bool wxRadioButton::Create(
- wxWindow* pParent
-, wxWindowID vId
-, const wxString& rsLabel
-, const wxPoint& rPos
-, const wxSize& rSize
-, long lStyle
-#if wxUSE_VALIDATORS
-, const wxValidator& rValidator
-#endif
-, const wxString& rsName
-)
+bool wxRadioButton::Create( wxWindow* pParent,
+ wxWindowID vId,
+ const wxString& rsLabel,
+ const wxPoint& rPos,
+ const wxSize& rSize,
+ long lStyle,
+ const wxValidator& rValidator,
+ const wxString& rsName )
{
- int nX = rPos.x;
- int nY = rPos.y;
- int nWidth = rSize.x;
- int nHeight = rSize.y;
- long lsStyle = 0L;
- long lGroupStyle = 0L;
-
- SetName(rsName);
-#if wxUSE_VALIDATORS
- SetValidator(rValidator);
-#endif
+ if ( !CreateControl( pParent
+ ,vId
+ ,rPos
+ ,rSize
+ ,lStyle
+ ,rValidator
+ ,rsName))
+ return false;
- if (pParent)
- pParent->AddChild(this);
+ long lSstyle = WS_TABSTOP;
- SetBackgroundColour(pParent->GetBackgroundColour());
- SetForegroundColour(pParent->GetForegroundColour());
+ if (HasFlag(wxRB_GROUP))
+ lSstyle |= WS_GROUP;
- if (vId == -1)
- m_windowId = (int)NewControlId();
- else
- m_windowId = vId;
+ //
+ // 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.
+ //
+ lSstyle |= HasFlag(wxRB_SINGLE) ? BS_RADIOBUTTON : BS_AUTORADIOBUTTON;
+ if (HasFlag(wxCLIP_SIBLINGS))
+ lSstyle |= WS_CLIPSIBLINGS;
- m_windowStyle = lStyle ;
+ if (!OS2CreateControl( wxT("BUTTON")
+ ,lSstyle
+ ,rPos
+ ,rSize
+ ,rsLabel
+ ,0
+ ))
+ return false;
- if (m_windowStyle & wxRB_GROUP)
- lGroupStyle = WS_GROUP;
+ wxAssociateWinWithHandle(m_hWnd, this);
+ if (HasFlag(wxRB_GROUP))
+ SetValue(true);
- lsStyle = lGroupStyle | BS_AUTORADIOBUTTON | WS_VISIBLE ;
+ SetFont(*wxSMALL_FONT);
+ SetSize( rPos.x, rPos.y, rSize.x, rSize.y );
+ return true;
+} // end of wxRadioButton::Create
+
+wxSize wxRadioButton::DoGetBestSize() const
+{
+ // We should probably compute snRadioSize but it seems to be a constant
+ // independent of its label's font size and not made available by OS/2.
+ static int snRadioSize = RADIO_SIZE;
- if (m_windowStyle & wxCLIP_SIBLINGS )
- lsStyle |= WS_CLIPSIBLINGS;
- m_hWnd = (WXHWND)::WinCreateWindow ( GetHwndOf(pParent)
- ,WC_BUTTON
- ,rsLabel.c_str()
- ,lsStyle
- ,0, 0, 0, 0
- ,GetWinHwnd(pParent)
- ,HWND_TOP
- ,(HMENU)m_windowId
- ,NULL
- ,NULL
- );
- wxCHECK_MSG(m_hWnd, FALSE, wxT("Failed to create radiobutton"));
+ wxString sStr = wxGetWindowText(GetHwnd());
+ int nRadioWidth;
+ int nRadioHeight;
- if (rsLabel != wxT(""))
+ if (!sStr.empty())
{
- int nLabelWidth;
- int nLabelHeight;
-
- GetTextExtent( rsLabel
- ,&nLabelWidth
- ,&nLabelHeight
- ,NULL
- ,NULL
- ,&this->GetFont()
+ GetTextExtent( sStr
+ ,&nRadioWidth
+ ,&nRadioHeight
);
- if (nWidth < 0)
- nWidth = (int)(nLabelWidth + RADIO_SIZE);
- if (nHeight<0)
- {
- nHeight = (int)(nLabelHeight);
- if (nHeight < RADIO_SIZE)
- nHeight = RADIO_SIZE;
- }
+ nRadioWidth += snRadioSize;
+ if (nRadioHeight < snRadioSize)
+ nRadioHeight = snRadioSize;
}
else
{
- if (nWidth < 0)
- nWidth = RADIO_SIZE;
- if (nHeight < 0)
- nHeight = RADIO_SIZE;
+ nRadioWidth = snRadioSize;
+ nRadioHeight = snRadioSize;
}
-
- //
- // Subclass again for purposes of dialog editing mode
- //
- SubclassWin((WXHWND)m_hWnd);
- SetFont(pParent->GetFont());
- SetSize( nX
- ,nY
- ,nWidth
- ,nHeight
- );
- return FALSE;
-} // end of wxRadioButton::Create
+ return wxSize( nRadioWidth
+ ,nRadioHeight
+ );
+} // end of wxRadioButton::DoGetBestSize
//
// Get single selection, for single choice list items
return((::WinSendMsg((HWND) GetHWND(), BM_QUERYCHECK, (MPARAM)0L, (MPARAM)0L) != 0));
} // end of wxRadioButton::GetValue
-bool wxRadioButton::OS2Command(
- WXUINT wParam
-, WXWORD wId
-)
+bool wxRadioButton::OS2Command( WXUINT wParam, WXWORD WXUNUSED(wId) )
{
- if (wParam == BN_CLICKED)
+ if (wParam != BN_CLICKED)
+ return false;
+
+ if (m_bFocusJustSet)
+ {
+ //
+ // See above: we want to ignore this event
+ //
+ m_bFocusJustSet = false;
+ }
+ else
{
- wxCommandEvent rEvent( wxEVT_COMMAND_RADIOBUTTON_SELECTED
- ,m_windowId
- );
+ bool bIsChecked = 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 (!bIsChecked )
+ SetValue(true);
+ }
+ wxCommandEvent rEvent( wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
rEvent.SetEventObject(this);
ProcessCommand(rEvent);
- return TRUE;
}
- else
- return FALSE;
+ return true;
} // end of wxRadioButton::OS2Command
-void wxRadioButton::SetLabel(
- const wxString& rsLabel
-)
+void wxRadioButton::SetFocus()
{
- ::WinSetWindowText((HWND)GetHWND(), (const char *)rsLabel.c_str());
+ // 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 avoid this, we drop the pseudo BN_CLICKED events generated when the
+ // button gains focus
+ m_bFocusJustSet = true;
+
+ wxControl::SetFocus();
+}
+
+void wxRadioButton::SetLabel( const wxString& rsLabel )
+{
+ wxString sLabel = ::wxPMTextToLabel(rsLabel);
+ ::WinSetWindowText((HWND)GetHWND(), (const char *)sLabel.c_str());
} // end of wxRadioButton::SetLabel
-void wxRadioButton::SetValue(
- bool bValue
-)
+void wxRadioButton::SetValue( bool bValue )
{
::WinSendMsg((HWND)GetHWND(), BM_SETCHECK, (MPARAM)bValue, (MPARAM)0);
+ if (bValue)
+ {
+ const wxWindowList& rSiblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator nodeThis = rSiblings.Find(this);
+
+ wxCHECK_RET(nodeThis, wxT("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 this one
+ //
+ for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious();
+ nodeBefore;
+ nodeBefore = nodeBefore->GetPrevious() )
+ {
+ wxRadioButton* pBtn = wxDynamicCast( nodeBefore->GetData()
+ ,wxRadioButton
+ );
+ if (!pBtn)
+ {
+ //
+ // The radio buttons in a group must be consecutive, so there
+ // are no more of them
+ //
+ break;
+ }
+ pBtn->SetValue(false);
+ if (pBtn->HasFlag(wxRB_GROUP))
+ {
+ //
+ // Even if there are other radio buttons before this one,
+ // they're not in the same group with us
+ //
+ break;
+ }
+ }
+ }
+
+ //
+ // ... and all after this one
+ //
+ for (wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext();
+ nodeAfter;
+ nodeAfter = nodeAfter->GetNext())
+ {
+ wxRadioButton* pBtn = wxDynamicCast( nodeAfter->GetData()
+ ,wxRadioButton
+ );
+
+ if (!pBtn || pBtn->HasFlag(wxRB_GROUP) )
+ {
+ //
+ // No more buttons or the first button of the next group
+ //
+ break;
+ }
+ pBtn->SetValue(false);
+ }
+ }
} // end of wxRadioButton::SetValue
+MRESULT wxRadioButton::OS2WindowProc(
+ WXUINT uMsg
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
+{
+ if (uMsg == WM_SETFOCUS)
+ {
+ m_bFocusJustSet = true;
+
+ MRESULT mRc = wxControl::OS2WindowProc( uMsg
+ ,wParam
+ ,lParam
+ );
+
+ m_bFocusJustSet = false;
+ return mRc;
+ }
+ return wxControl::OS2WindowProc( uMsg
+ ,wParam
+ ,lParam
+ );
+} // end of wxRadioButton::OS2WindowProc
projects / wxWidgets.git / blobdiff