src/msw/radiobox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        radiobox.cpp
// Purpose:     wxRadioBox
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart and Markus Holzem
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

// ===========================================================================
// declarations
// ===========================================================================

// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------

#ifdef __GNUG__
    #pragma implementation "radiobox.h"
#endif

// 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/bitmap.h"
    #include "wx/brush.h"
    #include "wx/radiobox.h"
#endif

#include "wx/msw/private.h"

#if !USE_SHARED_LIBRARY
    IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
#endif

// ---------------------------------------------------------------------------
// private functions
// ---------------------------------------------------------------------------

// get the id of the window
#ifdef __WIN32__
    #define GET_WIN_ID(hwnd) ::GetWindowLong((HWND)hwnd, GWL_ID)
#else // Win16
    #define GET_WIN_ID(hwnd) ::GetWindowWord((HWND)hwnd, GWW_ID)
#endif // Win32/16

// wnd proc for radio buttons
LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hWnd,
                                           UINT message,
                                           WPARAM wParam,
                                           LPARAM lParam);

// ---------------------------------------------------------------------------
// global vars
// ---------------------------------------------------------------------------

// the pointer to standard radio button wnd proc
static WNDPROC s_wndprocRadioBtn = (WNDPROC)NULL;

// ===========================================================================
// implementation
// ===========================================================================

// ---------------------------------------------------------------------------
// wxRadioBox
// ---------------------------------------------------------------------------

int wxRadioBox::GetNumVer() const
{
    if ( m_windowStyle & wxRA_SPECIFY_ROWS )
    {
        return m_majorDim;
    }
    else
    {
        return (m_noItems + m_majorDim - 1)/m_majorDim;
    }
}

int wxRadioBox::GetNumHor() const
{
    if ( m_windowStyle & wxRA_SPECIFY_ROWS )
    {
        return (m_noItems + m_majorDim - 1)/m_majorDim;
    }
    else
    {
        return m_majorDim;
    }
}

bool wxRadioBox::MSWCommand(WXUINT param, WXWORD id)
{
    if ( param == BN_CLICKED )
    {
        m_selectedButton = -1;

        for ( int i = 0; i < m_noItems; i++ )
        {
            if ( id == GET_WIN_ID(m_radioButtons[i]) )
            {
                m_selectedButton = i;

                break;
            }
        }

        wxASSERT_MSG( m_selectedButton != -1, "click from alien button?" );

        wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
        event.SetInt( m_selectedButton );
        event.SetEventObject( this );
        ProcessCommand(event);

        return TRUE;
    }
    else
        return FALSE;
}

#if WXWIN_COMPATIBILITY
wxRadioBox::wxRadioBox(wxWindow *parent, wxFunction func, const char *title,
        int x, int y, int width, int height,
        int n, char **choices,
        int majorDim, long style, const char *name)
{
    wxString *choices2 = new wxString[n];
    for ( int i = 0; i < n; i ++) choices2[i] = choices[i];
    Create(parent, -1, title, wxPoint(x, y), wxSize(width, height), n, choices2, majorDim, style,
            wxDefaultValidator, name);
    Callback(func);
    delete choices2;
}

#endif

// Radio box item
wxRadioBox::wxRadioBox()
{
    m_selectedButton = -1;
    m_noItems = 0;
    m_noRowsOrCols = 0;
    m_radioButtons = NULL;
    m_majorDim = 0;
    m_radioWidth = NULL;
    m_radioHeight = NULL;
}

bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
        const wxPoint& pos, const wxSize& size,
        int n, const wxString choices[],
        int majorDim, long style,
        const wxValidator& val, const wxString& name)
{
    m_selectedButton = -1;
    m_noItems = n;

    SetName(name);
    SetValidator(val);

    parent->AddChild(this);
    m_backgroundColour = parent->GetBackgroundColour();
    m_foregroundColour = parent->GetForegroundColour();

    m_windowStyle = (long&)style;

    int x = pos.x;
    int y = pos.y;
    int width = size.x;
    int height = size.y;

    if (id == -1)
        m_windowId = NewControlId();
    else
        m_windowId = id;

    if ( majorDim == 0 )
        m_majorDim = n;
    else
        m_majorDim = majorDim;
    m_noRowsOrCols = majorDim;

    long msStyle = GROUP_FLAGS;

    bool want3D;
    WXDWORD exStyle = Determine3DEffects(0, &want3D);
    // Even with extended styles, need to combine with WS_BORDER
    // for them to look right.
    /*
       if ( want3D || wxStyleHasBorder(m_windowStyle) )
       msStyle |= WS_BORDER;
     */

    HWND hwndParent = (HWND)parent->GetHWND();

    m_hWnd = (WXHWND)::CreateWindowEx
                        (
                         (DWORD)exStyle,
                         GROUP_CLASS,
                         title,
                         msStyle,
                         0, 0, 0, 0,
                         hwndParent,
                         (HMENU)m_windowId,
                         wxGetInstance(),
                         NULL
                        );

#if wxUSE_CTL3D
    if (want3D)
    {
        Ctl3dSubclassCtl((HWND)m_hWnd);
        m_useCtl3D = TRUE;
    }
#endif // wxUSE_CTL3D

    SetFont(parent->GetFont());

    SubclassWin(m_hWnd);

    // Some radio boxes test consecutive id.
    (void)NewControlId();
    m_radioButtons = new WXHWND[n];
    m_radioWidth = new int[n];
    m_radioHeight = new int[n];
    int i;
    for (i = 0; i < n; i++)
    {
        m_radioWidth[i] = m_radioHeight[i] = -1;
        long groupStyle = 0;
        if ( i == 0 && style == 0 )
            groupStyle = WS_GROUP;
        long newId = NewControlId();
        long msStyle = groupStyle | RADIO_FLAGS;

        HWND hwndBtn = CreateWindowEx(exStyle, RADIO_CLASS,
                                      choices[i], msStyle,
                                      0,0,0,0,
                                      hwndParent,
                                      (HMENU)newId, wxGetInstance(),
                                      NULL);

        m_radioButtons[i] = (WXHWND)hwndBtn;
        SubclassRadioButton((WXHWND)hwndBtn);

        wxFont& font = GetFont();
        if ( font.Ok() )
        {
            SendMessage(hwndBtn, WM_SETFONT,
                        (WPARAM)font.GetResourceHandle(), 0L);
        }

        m_subControls.Append((wxObject *)newId);
    }

    // Create a dummy radio control to end the group.
    (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP | RADIO_FLAGS,
                         0, 0, 0, 0, hwndParent,
                         (HMENU)NewControlId(), wxGetInstance(), NULL);

    SetSelection(0);

    SetSize(x, y, width, height);

    return TRUE;
}

wxRadioBox::~wxRadioBox()
{
    m_isBeingDeleted = TRUE;

    if (m_radioButtons)
    {
        int i;
        for (i = 0; i < m_noItems; i++)
            DestroyWindow((HWND) m_radioButtons[i]);
        delete[] m_radioButtons;
    }
    if (m_radioWidth)
        delete[] m_radioWidth;
    if (m_radioHeight)
        delete[] m_radioHeight;
    if (m_hWnd)
        ::DestroyWindow((HWND) m_hWnd);
    m_hWnd = 0;

}

wxString wxRadioBox::GetLabel(int item) const
{
    GetWindowText((HWND)m_radioButtons[item], wxBuffer, 300);
    return wxString(wxBuffer);
}

void wxRadioBox::SetLabel(int item, const wxString& label)
{
    m_radioWidth[item] = m_radioHeight[item] = -1;
    SetWindowText((HWND)m_radioButtons[item], (const char *)label);
}

void wxRadioBox::SetLabel(int item, wxBitmap *bitmap)
{
    /*
       m_radioWidth[item] = bitmap->GetWidth() + FB_MARGIN;
       m_radioHeight[item] = bitmap->GetHeight() + FB_MARGIN;
     */
}

int wxRadioBox::FindString(const wxString& s) const
{
    int i;
    for (i = 0; i < m_noItems; i++)
    {
        GetWindowText((HWND) m_radioButtons[i], wxBuffer, 1000);
        if (s == wxBuffer)
            return i;
    }
    return -1;
}

void wxRadioBox::SetSelection(int N)
{
    wxCHECK_RET( (N >= 0) && (N < m_noItems), "invalid radiobox index" );

    // Following necessary for Win32s, because Win32s translate BM_SETCHECK
    if (m_selectedButton >= 0 && m_selectedButton < m_noItems)
        ::SendMessage((HWND) m_radioButtons[m_selectedButton], BM_SETCHECK, 0, 0L);

    ::SendMessage((HWND)m_radioButtons[N], BM_SETCHECK, 1, 0L);
    ::SetFocus((HWND)m_radioButtons[N]);

    m_selectedButton = N;
}

// Get single selection, for single choice list items
int wxRadioBox::GetSelection() const
{
    return m_selectedButton;
}

// Find string for position
wxString wxRadioBox::GetString(int N) const
{
    return wxGetWindowText(m_radioButtons[N]);
}

// Restored old code.
void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
  int currentX, currentY;
  GetPosition(&currentX, &currentY);
  int xx = x;
  int yy = y;

  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
    xx = currentX;
  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
    yy = currentY;

  char buf[400];

  int y_offset = yy;
  int x_offset = xx;
  int current_width, cyf;

  int cx1,cy1;
  wxGetCharSize(m_hWnd, &cx1, &cy1, & GetFont());
  // Attempt to have a look coherent with other platforms:
  // We compute the biggest toggle dim, then we align all
  // items according this value.
  int maxWidth =  -1;
  int maxHeight = -1;

  int i;
  for (i = 0 ; i < m_noItems; i++)
  {
    int eachWidth;
    int eachHeight;
    if (m_radioWidth[i]<0)
    {
      // It's a labelled toggle
      GetWindowText((HWND) m_radioButtons[i], buf, 300);
      GetTextExtent(buf, &current_width, &cyf,NULL,NULL, & GetFont());
      eachWidth = (int)(current_width + RADIO_SIZE);
      eachHeight = (int)((3*cyf)/2);
    }
    else
    {
      eachWidth = m_radioWidth[i];
      eachHeight = m_radioHeight[i];
    }
    if (maxWidth<eachWidth) maxWidth = eachWidth;
    if (maxHeight<eachHeight) maxHeight = eachHeight;
  }

  if (m_hWnd)
  {
    int totWidth;
    int totHeight;

    int nbHor = GetNumHor(),
        nbVer = GetNumVer();

    // this formula works, but I don't know why.
    // Please, be sure what you do if you modify it!!
    if (m_radioWidth[0]<0)
      totHeight = (nbVer * maxHeight) + cy1/2;
    else
      totHeight = nbVer * (maxHeight+cy1/2);
    totWidth  = nbHor * (maxWidth+cx1);

#if (!CTL3D)
    // Requires a bigger group box in plain Windows
    MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+(3*cy1)/2,TRUE);
#else
    MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+cy1,TRUE);
#endif
    x_offset += cx1;
    y_offset += cy1;
  }

#if (!CTL3D)
  y_offset += (int)(cy1/2); // Fudge factor since buttons overlapped label
                            // JACS 2/12/93. CTL3D draws group label quite high.
#endif
  int startX = x_offset;
  int startY = y_offset;

  for ( i = 0 ; i < m_noItems; i++)
  {
    // Bidimensional radio adjustment
    if (i&&((i%m_majorDim)==0)) // Why is this omitted for i = 0?
    {
      if (m_windowStyle & wxRA_VERTICAL)
      {
        y_offset = startY;
        x_offset += maxWidth + cx1;
      }
      else
      {
        x_offset = startX;
        y_offset += maxHeight;
        if (m_radioWidth[0]>0)
          y_offset += cy1/2;
      }
    }
    int eachWidth;
    int eachHeight;
    if (m_radioWidth[i]<0)
    {
      // It's a labeled item
      GetWindowText((HWND) m_radioButtons[i], buf, 300);
      GetTextExtent(buf, &current_width, &cyf,NULL,NULL, & GetFont());

      // How do we find out radio button bitmap size!!
      // By adjusting them carefully, manually :-)
      eachWidth = (int)(current_width + RADIO_SIZE);
      eachHeight = (int)((3*cyf)/2);
    }
    else
    {
      eachWidth = m_radioWidth[i];
      eachHeight = m_radioHeight[i];
    }

    MoveWindow((HWND) m_radioButtons[i],x_offset,y_offset,eachWidth,eachHeight,TRUE);
    if (m_windowStyle & wxRA_SPECIFY_ROWS)
    {
      y_offset += maxHeight;
      if (m_radioWidth[0]>0)
        y_offset += cy1/2;
    }
    else
      x_offset += maxWidth + cx1;
  }
}


void wxRadioBox::GetSize(int *width, int *height) const
{
    RECT rect;
    rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;

    if (m_hWnd)
        wxFindMaxSize(m_hWnd, &rect);

    int i;
    for (i = 0; i < m_noItems; i++)
        wxFindMaxSize(m_radioButtons[i], &rect);

    *width = rect.right - rect.left;
    *height = rect.bottom - rect.top;
}

void wxRadioBox::GetPosition(int *x, int *y) const
{
    wxWindow *parent = GetParent();
    RECT rect;
    rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;

    int i;
    for (i = 0; i < m_noItems; i++)
        wxFindMaxSize(m_radioButtons[i], &rect);

    if (m_hWnd)
        wxFindMaxSize(m_hWnd, &rect);

    // Since we now have the absolute screen coords,
    // if there's a parent we must subtract its top left corner
    POINT point;
    point.x = rect.left;
    point.y = rect.top;
    if (parent)
    {
        ::ScreenToClient((HWND) parent->GetHWND(), &point);
    }
    // We may be faking the client origin.
    // So a window that's really at (0, 30) may appear
    // (to wxWin apps) to be at (0, 0).
    if (GetParent())
    {
        wxPoint pt(GetParent()->GetClientAreaOrigin());
        point.x -= pt.x;
        point.y -= pt.y;
    }

    *x = point.x;
    *y = point.y;
}

wxString wxRadioBox::GetLabel() const
{
    if (m_hWnd)
    {
        GetWindowText((HWND) m_hWnd, wxBuffer, 300);
        return wxString(wxBuffer);
    }
    else return wxString("");
}

void wxRadioBox::SetLabel(const wxString& label)
{
    if (m_hWnd)
        SetWindowText((HWND) m_hWnd, label);
}

void wxRadioBox::SetFocus()
{
    if (m_noItems > 0)
    {
        if (m_selectedButton == -1)
            ::SetFocus((HWND) m_radioButtons[0]);
        else
            ::SetFocus((HWND) m_radioButtons[m_selectedButton]);
    }

}

bool wxRadioBox::Show(bool show)
{
    m_isShown = show;
    int cshow;
    if (show)
        cshow = SW_SHOW;
    else
        cshow = SW_HIDE;
    if (m_hWnd)
        ShowWindow((HWND) m_hWnd, cshow);
    int i;
    for (i = 0; i < m_noItems; i++)
        ShowWindow((HWND) m_radioButtons[i], cshow);
    return TRUE;
}

// Enable a specific button
void wxRadioBox::Enable(int item, bool enable)
{
    if (item<0)
        wxWindow::Enable(enable);
    else if (item < m_noItems)
        ::EnableWindow((HWND) m_radioButtons[item], enable);
}

// Enable all controls
void wxRadioBox::Enable(bool enable)
{
    wxControl::Enable(enable);

    int i;
    for (i = 0; i < m_noItems; i++)
        ::EnableWindow((HWND) m_radioButtons[i], enable);
}

// Show a specific button
void wxRadioBox::Show(int item, bool show)
{
    if (item<0)
        wxRadioBox::Show(show);
    else if (item < m_noItems)
    {
        int cshow;
        if (show)
            cshow = SW_SHOW;
        else
            cshow = SW_HIDE;
        ShowWindow((HWND) m_radioButtons[item], cshow);
    }
}

WXHBRUSH wxRadioBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
        WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
#if wxUSE_CTL3D
    if ( m_useCtl3D )
    {
        HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
        return (WXHBRUSH) hbrush;
    }
#endif

    if (GetParent()->GetTransparentBackground())
        SetBkMode((HDC) pDC, TRANSPARENT);
    else
        SetBkMode((HDC) pDC, OPAQUE);

    ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
    ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));

    wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);

    // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
    // has a zero usage count.
    //  backgroundBrush->RealizeResource();
    return (WXHBRUSH) backgroundBrush->GetResourceHandle();
}

// For single selection items only
wxString wxRadioBox::GetStringSelection() const
{
    wxString result;
    int sel = GetSelection();
    if (sel > -1)
        result = GetString(sel);

    return result;
}

bool wxRadioBox::SetStringSelection(const wxString& s)
{
    int sel = FindString (s);
    if (sel > -1)
    {
        SetSelection (sel);
        return TRUE;
    }
    else
        return FALSE;
}

bool wxRadioBox::ContainsHWND(WXHWND hWnd) const
{
    int i;
    for (i = 0; i < Number(); i++)
        if (GetRadioButtons()[i] == hWnd)
            return TRUE;
    return FALSE;
}

void wxRadioBox::Command (wxCommandEvent & event)
{
    SetSelection (event.m_commandInt);
    ProcessCommand (event);
}

long wxRadioBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
    if (nMsg == WM_NCHITTEST)
    {
        int xPos = LOWORD(lParam);  // horizontal position of cursor
        int yPos = HIWORD(lParam);  // vertical position of cursor

        ScreenToClient(&xPos, &yPos);

        // Make sure you can drag by the top of the groupbox, but let
        // other (enclosed) controls get mouse events also
        if (yPos < 10)
            return (long)HTCLIENT;
    }

    return wxControl::MSWWindowProc(nMsg, wParam, lParam);
}

void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn)
{
    HWND hwndBtn = (HWND)hWndBtn;

    if ( !s_wndprocRadioBtn )
        s_wndprocRadioBtn = (WNDPROC)::GetWindowLong(hwndBtn, GWL_WNDPROC);

    ::SetWindowLong(hwndBtn, GWL_WNDPROC, (long)wxRadioBtnWndProc);
    ::SetWindowLong(hwndBtn, GWL_USERDATA, (long)this);
}

// ---------------------------------------------------------------------------
// window proc for radio buttons
// ---------------------------------------------------------------------------

LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
                                           UINT msg,
                                           WPARAM wParam,
                                           LPARAM lParam)
{
    bool processed = TRUE;
    if ( msg != WM_KEYDOWN )
        processed = FALSE;

    if ( processed )
    {
        wxRadioBox *radiobox = (wxRadioBox *)::GetWindowLong(hwnd, GWL_USERDATA);

        wxCHECK_MSG( radiobox, 0, "radio button without radio box?" );

        int sel = radiobox->GetSelection();

        switch ( wParam )
        {
            case VK_UP:
                sel--;
                break;

            case VK_LEFT:
                sel -= radiobox->GetNumVer();
                break;

            case VK_DOWN:
                sel++;
                break;

            case VK_RIGHT:
                sel += radiobox->GetNumVer();
                break;

            case VK_TAB:
                {
                    wxNavigationKeyEvent event;
                    event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100));
                    event.SetWindowChange(FALSE);
                    event.SetEventObject(radiobox);

                    if ( radiobox->GetEventHandler()->ProcessEvent(event) )
                        return 0;
                }
                // fall through

            default:
                processed = FALSE;
        }

        if ( processed )
        {
            if ( sel >= 0 && sel < radiobox->Number() )
                radiobox->SetSelection(sel);
        }
    }

    if ( !processed )
        return ::CallWindowProc(s_wndprocRadioBtn, hwnd, msg, wParam, lParam);
    else
        return 0;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: radiobox.cpp
	3	// Purpose: wxRadioBox
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart and Markus Holzem
	9	// Licence: wxWindows license
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ===========================================================================
	13	// declarations
	14	// ===========================================================================
	15
	16	// ---------------------------------------------------------------------------
	17	// headers
	18	// ---------------------------------------------------------------------------
	19
	20	#ifdef __GNUG__
	21	#pragma implementation "radiobox.h"
	22	#endif
	23
	24	// For compilers that support precompilation, includes "wx.h".
	25	#include "wx/wxprec.h"
	26
	27	#ifdef __BORLANDC__
	28	#pragma hdrstop
	29	#endif
	30
	31	#ifndef WX_PRECOMP
	32	#include <stdio.h>
	33	#include "wx/setup.h"
	34	#include "wx/bitmap.h"
	35	#include "wx/brush.h"
	36	#include "wx/radiobox.h"
	37	#endif
	38
	39	#include "wx/msw/private.h"
	40
	41	#if !USE_SHARED_LIBRARY
	42	IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
	43	#endif
	44
	45	// ---------------------------------------------------------------------------
	46	// private functions
	47	// ---------------------------------------------------------------------------
	48
	49	// get the id of the window
	50	#ifdef __WIN32__
	51	#define GET_WIN_ID(hwnd) ::GetWindowLong((HWND)hwnd, GWL_ID)
	52	#else // Win16
	53	#define GET_WIN_ID(hwnd) ::GetWindowWord((HWND)hwnd, GWW_ID)
	54	#endif // Win32/16
	55
	56	// wnd proc for radio buttons
	57	LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hWnd,
	58	UINT message,
	59	WPARAM wParam,
	60	LPARAM lParam);
	61
	62	// ---------------------------------------------------------------------------
	63	// global vars
	64	// ---------------------------------------------------------------------------
	65
	66	// the pointer to standard radio button wnd proc
	67	static WNDPROC s_wndprocRadioBtn = (WNDPROC)NULL;
	68
	69	// ===========================================================================
	70	// implementation
	71	// ===========================================================================
	72
	73	// ---------------------------------------------------------------------------
	74	// wxRadioBox
	75	// ---------------------------------------------------------------------------
	76
	77	int wxRadioBox::GetNumVer() const
	78	{
	79	if ( m_windowStyle & wxRA_SPECIFY_ROWS )
	80	{
	81	return m_majorDim;
	82	}
	83	else
	84	{
	85	return (m_noItems + m_majorDim - 1)/m_majorDim;
	86	}
	87	}
	88
	89	int wxRadioBox::GetNumHor() const
	90	{
	91	if ( m_windowStyle & wxRA_SPECIFY_ROWS )
	92	{
	93	return (m_noItems + m_majorDim - 1)/m_majorDim;
	94	}
	95	else
	96	{
	97	return m_majorDim;
	98	}
	99	}
	100
	101	bool wxRadioBox::MSWCommand(WXUINT param, WXWORD id)
	102	{
	103	if ( param == BN_CLICKED )
	104	{
	105	m_selectedButton = -1;
	106
	107	for ( int i = 0; i < m_noItems; i++ )
	108	{
	109	if ( id == GET_WIN_ID(m_radioButtons[i]) )
	110	{
	111	m_selectedButton = i;
	112
	113	break;
	114	}
	115	}
	116
	117	wxASSERT_MSG( m_selectedButton != -1, "click from alien button?" );
	118
	119	wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
	120	event.SetInt( m_selectedButton );
	121	event.SetEventObject( this );
	122	ProcessCommand(event);
	123
	124	return TRUE;
	125	}
	126	else
	127	return FALSE;
	128	}
	129
	130	#if WXWIN_COMPATIBILITY
	131	wxRadioBox::wxRadioBox(wxWindow parent, wxFunction func, const char title,
	132	int x, int y, int width, int height,
	133	int n, char **choices,
	134	int majorDim, long style, const char *name)
	135	{
	136	wxString *choices2 = new wxString[n];
	137	for ( int i = 0; i < n; i ++) choices2[i] = choices[i];
	138	Create(parent, -1, title, wxPoint(x, y), wxSize(width, height), n, choices2, majorDim, style,
	139	wxDefaultValidator, name);
	140	Callback(func);
	141	delete choices2;
	142	}
	143
	144	#endif
	145
	146	// Radio box item
	147	wxRadioBox::wxRadioBox()
	148	{
	149	m_selectedButton = -1;
	150	m_noItems = 0;
	151	m_noRowsOrCols = 0;
	152	m_radioButtons = NULL;
	153	m_majorDim = 0;
	154	m_radioWidth = NULL;
	155	m_radioHeight = NULL;
	156	}
	157
	158	bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
	159	const wxPoint& pos, const wxSize& size,
	160	int n, const wxString choices[],
	161	int majorDim, long style,
	162	const wxValidator& val, const wxString& name)
	163	{
	164	m_selectedButton = -1;
	165	m_noItems = n;
	166
	167	SetName(name);
	168	SetValidator(val);
	169
	170	parent->AddChild(this);
	171	m_backgroundColour = parent->GetBackgroundColour();
	172	m_foregroundColour = parent->GetForegroundColour();
	173
	174	m_windowStyle = (long&)style;
	175
	176	int x = pos.x;
	177	int y = pos.y;
	178	int width = size.x;
	179	int height = size.y;
	180
	181	if (id == -1)
	182	m_windowId = NewControlId();
	183	else
	184	m_windowId = id;
	185
	186	if ( majorDim == 0 )
	187	m_majorDim = n;
	188	else
	189	m_majorDim = majorDim;
	190	m_noRowsOrCols = majorDim;
	191
	192	long msStyle = GROUP_FLAGS;
	193
	194	bool want3D;
	195	WXDWORD exStyle = Determine3DEffects(0, &want3D);
	196	// Even with extended styles, need to combine with WS_BORDER
	197	// for them to look right.
	198	/*
	199	if ( want3D \|\| wxStyleHasBorder(m_windowStyle) )
	200	msStyle \|= WS_BORDER;
	201	*/
	202
	203	HWND hwndParent = (HWND)parent->GetHWND();
	204
	205	m_hWnd = (WXHWND)::CreateWindowEx
	206	(
	207	(DWORD)exStyle,
	208	GROUP_CLASS,
	209	title,
	210	msStyle,
	211	0, 0, 0, 0,
	212	hwndParent,
	213	(HMENU)m_windowId,
	214	wxGetInstance(),
	215	NULL
	216	);
	217
	218	#if wxUSE_CTL3D
	219	if (want3D)
	220	{
	221	Ctl3dSubclassCtl((HWND)m_hWnd);
	222	m_useCtl3D = TRUE;
	223	}
	224	#endif // wxUSE_CTL3D
	225
	226	SetFont(parent->GetFont());
	227
	228	SubclassWin(m_hWnd);
	229
	230	// Some radio boxes test consecutive id.
	231	(void)NewControlId();
	232	m_radioButtons = new WXHWND[n];
	233	m_radioWidth = new int[n];
	234	m_radioHeight = new int[n];
	235	int i;
	236	for (i = 0; i < n; i++)
	237	{
	238	m_radioWidth[i] = m_radioHeight[i] = -1;
	239	long groupStyle = 0;
	240	if ( i == 0 && style == 0 )
	241	groupStyle = WS_GROUP;
	242	long newId = NewControlId();
	243	long msStyle = groupStyle \| RADIO_FLAGS;
	244
	245	HWND hwndBtn = CreateWindowEx(exStyle, RADIO_CLASS,
	246	choices[i], msStyle,
	247	0,0,0,0,
	248	hwndParent,
	249	(HMENU)newId, wxGetInstance(),
	250	NULL);
	251
	252	m_radioButtons[i] = (WXHWND)hwndBtn;
	253	SubclassRadioButton((WXHWND)hwndBtn);
	254
	255	wxFont& font = GetFont();
	256	if ( font.Ok() )
	257	{
	258	SendMessage(hwndBtn, WM_SETFONT,
	259	(WPARAM)font.GetResourceHandle(), 0L);
	260	}
	261
	262	m_subControls.Append((wxObject *)newId);
	263	}
	264
	265	// Create a dummy radio control to end the group.
	266	(void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP \| RADIO_FLAGS,
	267	0, 0, 0, 0, hwndParent,
	268	(HMENU)NewControlId(), wxGetInstance(), NULL);
	269
	270	SetSelection(0);
	271
	272	SetSize(x, y, width, height);
	273
	274	return TRUE;
	275	}
	276
	277	wxRadioBox::~wxRadioBox()
	278	{
	279	m_isBeingDeleted = TRUE;
	280
	281	if (m_radioButtons)
	282	{
	283	int i;
	284	for (i = 0; i < m_noItems; i++)
	285	DestroyWindow((HWND) m_radioButtons[i]);
	286	delete[] m_radioButtons;
	287	}
	288	if (m_radioWidth)
	289	delete[] m_radioWidth;
	290	if (m_radioHeight)
	291	delete[] m_radioHeight;
	292	if (m_hWnd)
	293	::DestroyWindow((HWND) m_hWnd);
	294	m_hWnd = 0;
	295
	296	}
	297
	298	wxString wxRadioBox::GetLabel(int item) const
	299	{
	300	GetWindowText((HWND)m_radioButtons[item], wxBuffer, 300);
	301	return wxString(wxBuffer);
	302	}
	303
	304	void wxRadioBox::SetLabel(int item, const wxString& label)
	305	{
	306	m_radioWidth[item] = m_radioHeight[item] = -1;
	307	SetWindowText((HWND)m_radioButtons[item], (const char *)label);
	308	}
	309
	310	void wxRadioBox::SetLabel(int item, wxBitmap *bitmap)
	311	{
	312	/*
	313	m_radioWidth[item] = bitmap->GetWidth() + FB_MARGIN;
	314	m_radioHeight[item] = bitmap->GetHeight() + FB_MARGIN;
	315	*/
	316	}
	317
	318	int wxRadioBox::FindString(const wxString& s) const
	319	{
	320	int i;
	321	for (i = 0; i < m_noItems; i++)
	322	{
	323	GetWindowText((HWND) m_radioButtons[i], wxBuffer, 1000);
	324	if (s == wxBuffer)
	325	return i;
	326	}
	327	return -1;
	328	}
	329
	330	void wxRadioBox::SetSelection(int N)
	331	{
	332	wxCHECK_RET( (N >= 0) && (N < m_noItems), "invalid radiobox index" );
	333
	334	// Following necessary for Win32s, because Win32s translate BM_SETCHECK
	335	if (m_selectedButton >= 0 && m_selectedButton < m_noItems)
	336	::SendMessage((HWND) m_radioButtons[m_selectedButton], BM_SETCHECK, 0, 0L);
	337
	338	::SendMessage((HWND)m_radioButtons[N], BM_SETCHECK, 1, 0L);
	339	::SetFocus((HWND)m_radioButtons[N]);
	340
	341	m_selectedButton = N;
	342	}
	343
	344	// Get single selection, for single choice list items
	345	int wxRadioBox::GetSelection() const
	346	{
	347	return m_selectedButton;
	348	}
	349
	350	// Find string for position
	351	wxString wxRadioBox::GetString(int N) const
	352	{
	353	return wxGetWindowText(m_radioButtons[N]);
	354	}
	355
	356	// Restored old code.
	357	void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	358	{
	359	int currentX, currentY;
	360	GetPosition(&currentX, &currentY);
	361	int xx = x;
	362	int yy = y;
	363
	364	if (x == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	365	xx = currentX;
	366	if (y == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	367	yy = currentY;
	368
	369	char buf[400];
	370
	371	int y_offset = yy;
	372	int x_offset = xx;
	373	int current_width, cyf;
	374
	375	int cx1,cy1;
	376	wxGetCharSize(m_hWnd, &cx1, &cy1, & GetFont());
	377	// Attempt to have a look coherent with other platforms:
	378	// We compute the biggest toggle dim, then we align all
	379	// items according this value.
	380	int maxWidth = -1;
	381	int maxHeight = -1;
	382
	383	int i;
	384	for (i = 0 ; i < m_noItems; i++)
	385	{
	386	int eachWidth;
	387	int eachHeight;
	388	if (m_radioWidth[i]<0)
	389	{
	390	// It's a labelled toggle
	391	GetWindowText((HWND) m_radioButtons[i], buf, 300);
	392	GetTextExtent(buf, &current_width, &cyf,NULL,NULL, & GetFont());
	393	eachWidth = (int)(current_width + RADIO_SIZE);
	394	eachHeight = (int)((3*cyf)/2);
	395	}
	396	else
	397	{
	398	eachWidth = m_radioWidth[i];
	399	eachHeight = m_radioHeight[i];
	400	}
	401	if (maxWidth<eachWidth) maxWidth = eachWidth;
	402	if (maxHeight<eachHeight) maxHeight = eachHeight;
	403	}
	404
	405	if (m_hWnd)
	406	{
	407	int totWidth;
	408	int totHeight;
	409
	410	int nbHor = GetNumHor(),
	411	nbVer = GetNumVer();
	412
	413	// this formula works, but I don't know why.
	414	// Please, be sure what you do if you modify it!!
	415	if (m_radioWidth[0]<0)
	416	totHeight = (nbVer * maxHeight) + cy1/2;
	417	else
	418	totHeight = nbVer * (maxHeight+cy1/2);
	419	totWidth = nbHor * (maxWidth+cx1);
	420
	421	#if (!CTL3D)
	422	// Requires a bigger group box in plain Windows
	423	MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+(3*cy1)/2,TRUE);
	424	#else
	425	MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+cy1,TRUE);
	426	#endif
	427	x_offset += cx1;
	428	y_offset += cy1;
	429	}
	430
	431	#if (!CTL3D)
	432	y_offset += (int)(cy1/2); // Fudge factor since buttons overlapped label
	433	// JACS 2/12/93. CTL3D draws group label quite high.
	434	#endif
	435	int startX = x_offset;
	436	int startY = y_offset;
	437
	438	for ( i = 0 ; i < m_noItems; i++)
	439	{
	440	// Bidimensional radio adjustment
	441	if (i&&((i%m_majorDim)==0)) // Why is this omitted for i = 0?
	442	{
	443	if (m_windowStyle & wxRA_VERTICAL)
	444	{
	445	y_offset = startY;
	446	x_offset += maxWidth + cx1;
	447	}
	448	else
	449	{
	450	x_offset = startX;
	451	y_offset += maxHeight;
	452	if (m_radioWidth[0]>0)
	453	y_offset += cy1/2;
	454	}
	455	}
	456	int eachWidth;
	457	int eachHeight;
	458	if (m_radioWidth[i]<0)
	459	{
	460	// It's a labeled item
	461	GetWindowText((HWND) m_radioButtons[i], buf, 300);
	462	GetTextExtent(buf, &current_width, &cyf,NULL,NULL, & GetFont());
	463
	464	// How do we find out radio button bitmap size!!
	465	// By adjusting them carefully, manually :-)
	466	eachWidth = (int)(current_width + RADIO_SIZE);
	467	eachHeight = (int)((3*cyf)/2);
	468	}
	469	else
	470	{
	471	eachWidth = m_radioWidth[i];
	472	eachHeight = m_radioHeight[i];
	473	}
	474
	475	MoveWindow((HWND) m_radioButtons[i],x_offset,y_offset,eachWidth,eachHeight,TRUE);
	476	if (m_windowStyle & wxRA_SPECIFY_ROWS)
	477	{
	478	y_offset += maxHeight;
	479	if (m_radioWidth[0]>0)
	480	y_offset += cy1/2;
	481	}
	482	else
	483	x_offset += maxWidth + cx1;
	484	}
	485	}
	486
	487
	488	void wxRadioBox::GetSize(int width, int height) const
	489	{
	490	RECT rect;
	491	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	492
	493	if (m_hWnd)
	494	wxFindMaxSize(m_hWnd, &rect);
	495
	496	int i;
	497	for (i = 0; i < m_noItems; i++)
	498	wxFindMaxSize(m_radioButtons[i], &rect);
	499
	500	*width = rect.right - rect.left;
	501	*height = rect.bottom - rect.top;
	502	}
	503
	504	void wxRadioBox::GetPosition(int x, int y) const
	505	{
	506	wxWindow *parent = GetParent();
	507	RECT rect;
	508	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	509
	510	int i;
	511	for (i = 0; i < m_noItems; i++)
	512	wxFindMaxSize(m_radioButtons[i], &rect);
	513
	514	if (m_hWnd)
	515	wxFindMaxSize(m_hWnd, &rect);
	516
	517	// Since we now have the absolute screen coords,
	518	// if there's a parent we must subtract its top left corner
	519	POINT point;
	520	point.x = rect.left;
	521	point.y = rect.top;
	522	if (parent)
	523	{
	524	::ScreenToClient((HWND) parent->GetHWND(), &point);
	525	}
	526	// We may be faking the client origin.
	527	// So a window that's really at (0, 30) may appear
	528	// (to wxWin apps) to be at (0, 0).
	529	if (GetParent())
	530	{
	531	wxPoint pt(GetParent()->GetClientAreaOrigin());
	532	point.x -= pt.x;
	533	point.y -= pt.y;
	534	}
	535
	536	*x = point.x;
	537	*y = point.y;
	538	}
	539
	540	wxString wxRadioBox::GetLabel() const
	541	{
	542	if (m_hWnd)
	543	{
	544	GetWindowText((HWND) m_hWnd, wxBuffer, 300);
	545	return wxString(wxBuffer);
	546	}
	547	else return wxString("");
	548	}
	549
	550	void wxRadioBox::SetLabel(const wxString& label)
	551	{
	552	if (m_hWnd)
	553	SetWindowText((HWND) m_hWnd, label);
	554	}
	555
	556	void wxRadioBox::SetFocus()
	557	{
	558	if (m_noItems > 0)
	559	{
	560	if (m_selectedButton == -1)
	561	::SetFocus((HWND) m_radioButtons[0]);
	562	else
	563	::SetFocus((HWND) m_radioButtons[m_selectedButton]);
	564	}
	565
	566	}
	567
	568	bool wxRadioBox::Show(bool show)
	569	{
	570	m_isShown = show;
	571	int cshow;
	572	if (show)
	573	cshow = SW_SHOW;
	574	else
	575	cshow = SW_HIDE;
	576	if (m_hWnd)
	577	ShowWindow((HWND) m_hWnd, cshow);
	578	int i;
	579	for (i = 0; i < m_noItems; i++)
	580	ShowWindow((HWND) m_radioButtons[i], cshow);
	581	return TRUE;
	582	}
	583
	584	// Enable a specific button
	585	void wxRadioBox::Enable(int item, bool enable)
	586	{
	587	if (item<0)
	588	wxWindow::Enable(enable);
	589	else if (item < m_noItems)
	590	::EnableWindow((HWND) m_radioButtons[item], enable);
	591	}
	592
	593	// Enable all controls
	594	void wxRadioBox::Enable(bool enable)
	595	{
	596	wxControl::Enable(enable);
	597
	598	int i;
	599	for (i = 0; i < m_noItems; i++)
	600	::EnableWindow((HWND) m_radioButtons[i], enable);
	601	}
	602
	603	// Show a specific button
	604	void wxRadioBox::Show(int item, bool show)
	605	{
	606	if (item<0)
	607	wxRadioBox::Show(show);
	608	else if (item < m_noItems)
	609	{
	610	int cshow;
	611	if (show)
	612	cshow = SW_SHOW;
	613	else
	614	cshow = SW_HIDE;
	615	ShowWindow((HWND) m_radioButtons[item], cshow);
	616	}
	617	}
	618
	619	WXHBRUSH wxRadioBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	620	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	621	{
	622	#if wxUSE_CTL3D
	623	if ( m_useCtl3D )
	624	{
	625	HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
	626	return (WXHBRUSH) hbrush;
	627	}
	628	#endif
	629
	630	if (GetParent()->GetTransparentBackground())
	631	SetBkMode((HDC) pDC, TRANSPARENT);
	632	else
	633	SetBkMode((HDC) pDC, OPAQUE);
	634
	635	::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
	636	::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
	637
	638	wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
	639
	640	// Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
	641	// has a zero usage count.
	642	// backgroundBrush->RealizeResource();
	643	return (WXHBRUSH) backgroundBrush->GetResourceHandle();
	644	}
	645
	646	// For single selection items only
	647	wxString wxRadioBox::GetStringSelection() const
	648	{
	649	wxString result;
	650	int sel = GetSelection();
	651	if (sel > -1)
	652	result = GetString(sel);
	653
	654	return result;
	655	}
	656
	657	bool wxRadioBox::SetStringSelection(const wxString& s)
	658	{
	659	int sel = FindString (s);
	660	if (sel > -1)
	661	{
	662	SetSelection (sel);
	663	return TRUE;
	664	}
	665	else
	666	return FALSE;
	667	}
	668
	669	bool wxRadioBox::ContainsHWND(WXHWND hWnd) const
	670	{
	671	int i;
	672	for (i = 0; i < Number(); i++)
	673	if (GetRadioButtons()[i] == hWnd)
	674	return TRUE;
	675	return FALSE;
	676	}
	677
	678	void wxRadioBox::Command (wxCommandEvent & event)
	679	{
	680	SetSelection (event.m_commandInt);
	681	ProcessCommand (event);
	682	}
	683
	684	long wxRadioBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
	685	{
	686	if (nMsg == WM_NCHITTEST)
	687	{
	688	int xPos = LOWORD(lParam); // horizontal position of cursor
	689	int yPos = HIWORD(lParam); // vertical position of cursor
	690
	691	ScreenToClient(&xPos, &yPos);
	692
	693	// Make sure you can drag by the top of the groupbox, but let
	694	// other (enclosed) controls get mouse events also
	695	if (yPos < 10)
	696	return (long)HTCLIENT;
	697	}
	698
	699	return wxControl::MSWWindowProc(nMsg, wParam, lParam);
	700	}
	701
	702	void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn)
	703	{
	704	HWND hwndBtn = (HWND)hWndBtn;
	705
	706	if ( !s_wndprocRadioBtn )
	707	s_wndprocRadioBtn = (WNDPROC)::GetWindowLong(hwndBtn, GWL_WNDPROC);
	708
	709	::SetWindowLong(hwndBtn, GWL_WNDPROC, (long)wxRadioBtnWndProc);
	710	::SetWindowLong(hwndBtn, GWL_USERDATA, (long)this);
	711	}
	712
	713	// ---------------------------------------------------------------------------
	714	// window proc for radio buttons
	715	// ---------------------------------------------------------------------------
	716
	717	LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
	718	UINT msg,
	719	WPARAM wParam,
	720	LPARAM lParam)
	721	{
	722	bool processed = TRUE;
	723	if ( msg != WM_KEYDOWN )
	724	processed = FALSE;
	725
	726	if ( processed )
	727	{
	728	wxRadioBox radiobox = (wxRadioBox )::GetWindowLong(hwnd, GWL_USERDATA);
	729
	730	wxCHECK_MSG( radiobox, 0, "radio button without radio box?" );
	731
	732	int sel = radiobox->GetSelection();
	733
	734	switch ( wParam )
	735	{
	736	case VK_UP:
	737	sel--;
	738	break;
	739
	740	case VK_LEFT:
	741	sel -= radiobox->GetNumVer();
	742	break;
	743
	744	case VK_DOWN:
	745	sel++;
	746	break;
	747
	748	case VK_RIGHT:
	749	sel += radiobox->GetNumVer();
	750	break;
	751
	752	case VK_TAB:
	753	{
	754	wxNavigationKeyEvent event;
	755	event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100));
	756	event.SetWindowChange(FALSE);
	757	event.SetEventObject(radiobox);
	758
	759	if ( radiobox->GetEventHandler()->ProcessEvent(event) )
	760	return 0;
	761	}
	762	// fall through
	763
	764	default:
	765	processed = FALSE;
	766	}
	767
	768	if ( processed )
	769	{
	770	if ( sel >= 0 && sel < radiobox->Number() )
	771	radiobox->SetSelection(sel);
	772	}
	773	}
	774
	775	if ( !processed )
	776	return ::CallWindowProc(s_wndprocRadioBtn, hwnd, msg, wParam, lParam);
	777	else
	778	return 0;
	779	}
	780