/////////////////////////////////////////////////////////////////////////////
-// 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"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
-#endif
-bool wxRadioButton::OS2Command(WXUINT param, WXWORD id)
-{
- if (param == BN_CLICKED)
- {
- wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId);
- event.SetEventObject( this );
- ProcessCommand(event);
- return TRUE;
- }
- else return FALSE;
-}
+extern void wxAssociateWinWithHandle( HWND hWnd
+ ,wxWindowOS2* pWin
+ );
-bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
- const wxString& label,
- const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
- const wxString& name)
+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
+
+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;
+
+ long lSstyle = WS_TABSTOP;
+
+ if (HasFlag(wxRB_GROUP))
+ lSstyle |= 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.
+ //
+ // 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
+
+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;
- SetBackgroundColour(parent->GetBackgroundColour());
- SetForegroundColour(parent->GetForegroundColour());
+ wxString sStr = wxGetWindowText(GetHwnd());
+ int nRadioWidth;
+ int nRadioHeight;
- if ( id == -1 )
- m_windowId = (int)NewControlId();
+ if (!sStr.empty())
+ {
+ GetTextExtent( sStr
+ ,&nRadioWidth
+ ,&nRadioHeight
+ );
+ nRadioWidth += snRadioSize;
+ if (nRadioHeight < snRadioSize)
+ nRadioHeight = snRadioSize;
+ }
else
- m_windowId = id;
-
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
-
- m_windowStyle = style ;
-
-// TODO create radiobutton
-/*
- long groupStyle = 0;
- if (m_windowStyle & wxRB_GROUP)
- groupStyle = WS_GROUP;
-
-// long msStyle = groupStyle | RADIO_FLAGS;
- long msStyle = groupStyle | BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE ;
-
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
-
- m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const wxChar *)label,
- msStyle,0,0,0,0,
- (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
-
- wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create radiobutton") );
-
-
- SetFont(parent->GetFont());
-
- // Subclass again for purposes of dialog editing mode
- SubclassWin((WXHWND)m_hWnd);
-
-// SetValue(value);
-*/
-
- // start GRW fix
- if (label != wxT(""))
- {
- int label_width, label_height;
- GetTextExtent(label, &label_width, &label_height, NULL, NULL, & this->GetFont());
- if (width < 0)
- width = (int)(label_width + RADIO_SIZE);
- if (height<0)
{
- height = (int)(label_height);
- if (height < RADIO_SIZE)
- height = RADIO_SIZE;
+ nRadioWidth = snRadioSize;
+ nRadioHeight = snRadioSize;
}
- }
- else
- {
- if (width < 0)
- width = RADIO_SIZE;
- if (height < 0)
- height = RADIO_SIZE;
- }
- // end GRW fix
-
- SetSize(x, y, width, height);
- return FALSE;
-}
-
-void wxRadioButton::SetLabel(const wxString& label)
-{
- // TODO
-}
-
-void wxRadioButton::SetValue(bool value)
-{
- // TODO
-}
+ 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
-void wxRadioButton::Command (wxCommandEvent & event)
+bool wxRadioButton::OS2Command( WXUINT wParam, WXWORD WXUNUSED(wId) )
{
- SetValue ( (event.m_commandInt != 0) );
- ProcessCommand (event);
-}
-
-bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id,
- const wxBitmap *bitmap,
- const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
- const wxString& name)
-{
- SetName(name);
- SetValidator(validator);
-
- if (parent) parent->AddChild(this);
- SetBackgroundColour(parent->GetBackgroundColour());
- SetForegroundColour(parent->GetForegroundColour());
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ if (wParam != BN_CLICKED)
+ return false;
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
- m_windowStyle = style ;
-
- long groupStyle = 0;
- if (m_windowStyle & wxRB_GROUP)
- groupStyle = WS_GROUP;
-
-// TODO:
-/*
-// long msStyle = groupStyle | RADIO_FLAGS;
-// long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
-
- m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle",
- msStyle,0,0,0,0,
- (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
-
- wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE );
-
-*/
- // Subclass again for purposes of dialog editing mode
- SubclassWin(GetHWND());
-
- SetSize(x, y, width, height);
+ 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
- return TRUE;
+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 avoid this, we drop the pseudo BN_CLICKED events generated when the
+ // button gains focus
+ m_bFocusJustSet = true;
+
+ wxControl::SetFocus();
}
-void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
+void wxRadioButton::SetLabel( const wxString& rsLabel )
{
-}
+ wxString sLabel = ::wxPMTextToLabel(rsLabel);
+ ::WinSetWindowText((HWND)GetHWND(), (const char *)sLabel.c_str());
+} // end of wxRadioButton::SetLabel
-void wxBitmapRadioButton::SetValue(bool value)
+void wxRadioButton::SetValue( bool bValue )
{
-// Following necessary for Win32s, because Win32s translate BM_SETCHECK
-// SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
-}
+ ::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
-// Get single selection, for single choice list items
-bool wxBitmapRadioButton::GetValue(void) const
+MRESULT wxRadioButton::OS2WindowProc(
+ WXUINT uMsg
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
{
-// return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
- return FALSE;
-}
+ 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