/////////////////////////////////////////////////////////////////////////////
// Name: radiobut.cpp
// Purpose: wxRadioButton
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/12/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "radiobut.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
#endif
+#ifndef WX_PRECOMP
+#include <stdio.h>
+#include "wx/setup.h"
#include "wx/radiobut.h"
+#include "wx/brush.h"
+#include "wx/dcscreen.h"
+#include "wx/settings.h"
+#endif
+
+#include "wx/os2/private.h"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
-#endif
-bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
- const wxString& label,
- const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
- const wxString& name)
+extern void wxAssociateWinWithHandle( HWND hWnd
+ ,wxWindowOS2* pWin
+ );
+
+void wxRadioButton::Init()
{
- SetName(name);
- SetValidator(validator);
+ m_bFocusJustSet = FALSE;
+} // end of wxRadioButton::Init
- if (parent) parent->AddChild(this);
+void wxRadioButton::Command (
+ wxCommandEvent& rEvent
+)
+{
+ SetValue ((rEvent.GetInt() != 0) );
+ ProcessCommand (rEvent);
+} // end of wxRadioButton::Command
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+bool wxRadioButton::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxString& rsLabel
+, const wxPoint& rPos
+, const wxSize& rSize
+, long lStyle
+, const wxValidator& rValidator
+, const wxString& rsName
+)
+{
+ if ( !CreateControl( pParent
+ ,vId
+ ,rPos
+ ,rSize
+ ,lStyle
+ ,rValidator
+ ,rsName))
+ return FALSE;
- m_windowStyle = style ;
+ long lSstyle = WS_TABSTOP;
- // TODO create radiobutton
- return FALSE;
-}
+ if (HasFlag(wxRB_GROUP))
+ lSstyle |= WS_GROUP;
-void wxRadioButton::SetLabel(const wxString& label)
-{
- // TODO
-}
+ //
+ // 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;
+
+ if (!OS2CreateControl( _T("BUTTON")
+ ,lSstyle
+ ,rPos
+ ,rSize
+ ,rsLabel
+ ,0
+ ))
+ return FALSE;
+
+ wxAssociateWinWithHandle(m_hWnd, this);
+ if (HasFlag(wxRB_GROUP))
+ SetValue(TRUE);
+
+ SetFont(*wxSMALL_FONT);
+ SetSize( rPos.x
+ ,rPos.y
+ ,rSize.x
+ ,rSize.y
+ );
+ return TRUE;
+} // end of wxRadioButton::Create
-void wxRadioButton::SetValue(bool value)
+wxSize wxRadioButton::DoGetBestSize() const
{
- // TODO
-}
+ static int snRadioSize = 0;
+
+ if (!snRadioSize)
+ {
+ wxScreenDC vDC;
+
+ vDC.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+ snRadioSize = vDC.GetCharHeight();
+ }
+ wxString sStr = GetLabel();
+ int nRadioWidth;
+ int nRadioHeight;
+
+ if (!sStr.empty())
+ {
+ GetTextExtent( sStr
+ ,&nRadioWidth
+ ,&nRadioHeight
+ );
+ nRadioWidth += snRadioSize + GetCharWidth();
+ if (nRadioHeight < snRadioSize)
+ nRadioHeight = snRadioSize;
+ }
+ else
+ {
+ nRadioWidth = snRadioSize;
+ nRadioHeight = snRadioSize;
+ }
+ return wxSize( nRadioWidth
+ ,nRadioHeight
+ );
+} // end of wxRadioButton::DoGetBestSize
+
+//
// Get single selection, for single choice list items
+//
bool wxRadioButton::GetValue() const
{
- // TODO
- return FALSE;
-}
+ return((::WinSendMsg((HWND) GetHWND(), BM_QUERYCHECK, (MPARAM)0L, (MPARAM)0L) != 0));
+} // end of wxRadioButton::GetValue
+
+bool wxRadioButton::OS2Command(
+ WXUINT wParam
+, WXWORD wId
+)
+{
+ if (wParam != BN_CLICKED)
+ return FALSE;
+
+ if (m_bFocusJustSet)
+ {
+ //
+ // See above: we want to ignore this event
+ //
+ m_bFocusJustSet = FALSE;
+ }
+ else
+ {
+ 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;
+} // end of wxRadioButton::OS2Command
-void wxRadioButton::Command (wxCommandEvent & event)
+void wxRadioButton::SetFocus()
{
- SetValue ( (event.m_commandInt != 0) );
- ProcessCommand (event);
+ // 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_bFocusJustSet = TRUE;
+
+ wxControl::SetFocus();
}
+void wxRadioButton::SetLabel(
+ const wxString& rsLabel
+)
+{
+ ::WinSetWindowText((HWND)GetHWND(), (const char *)rsLabel.c_str());
+} // end of wxRadioButton::SetLabel
+
+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, _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 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