src/msw/radiobut.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/radiobut.cpp
   3 // Purpose:     wxRadioButton
   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 #ifdef __GNUG__
  13     #pragma implementation "radiobut.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_RADIOBTN
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/radiobut.h"
  27     #include "wx/settings.h"
  28     #include "wx/brush.h"
  29 #endif
  30
  31 #include "wx/msw/private.h"
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
  34 // IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton)
  35
  36 bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
  37 {
  38   if (param == BN_CLICKED)
  39   {
  40     wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId);
  41     event.SetEventObject( this );
  42     event.SetInt( GetValue() );
  43     ProcessCommand(event);
  44     return TRUE;
  45   }
  46   else return FALSE;
  47 }
  48
  49 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
  50        const wxString& label,
  51            const wxPoint& pos,
  52            const wxSize& size, long style,
  53            const wxValidator& validator,
  54            const wxString& name)
  55 {
  56   SetName(name);
  57 #if wxUSE_VALIDATORS
  58   SetValidator(validator);
  59 #endif // wxUSE_VALIDATORS
  60
  61   if (parent) parent->AddChild(this);
  62
  63   SetBackgroundColour(parent->GetBackgroundColour());
  64   SetForegroundColour(parent->GetForegroundColour());
  65
  66   if ( id == -1 )
  67     m_windowId = (int)NewControlId();
  68   else
  69   m_windowId = id;
  70
  71   int x = pos.x;
  72   int y = pos.y;
  73   int width = size.x;
  74   int height = size.y;
  75
  76   m_windowStyle = style ;
  77
  78   long groupStyle = 0;
  79   if (m_windowStyle & wxRB_GROUP)
  80     groupStyle = WS_GROUP;
  81
  82 //  long msStyle = groupStyle | RADIO_FLAGS;
  83   long msStyle = groupStyle | BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE /* | WS_CLIPSIBLINGS */;
  84
  85   if ( m_windowStyle & wxCLIP_SIBLINGS )
  86         msStyle |= WS_CLIPSIBLINGS;
  87
  88
  89   bool want3D;
  90   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  91
  92   // Even with extended styles, need to combine with WS_BORDER
  93   // for them to look right.
  94 /*
  95   if ( want3D || wxStyleHasBorder(m_windowStyle) )
  96     msStyle |= WS_BORDER;
  97 */
  98
  99   m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const wxChar *)label,
 100                           msStyle,0,0,0,0,
 101                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
 102
 103   wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create radiobutton") );
 104
 105 #if wxUSE_CTL3D
 106   if (want3D)
 107   {
 108     Ctl3dSubclassCtl((HWND) m_hWnd);
 109    m_useCtl3D = TRUE;
 110   }
 111 #endif
 112
 113   SetFont(parent->GetFont());
 114
 115   // Subclass again for purposes of dialog editing mode
 116   SubclassWin((WXHWND)m_hWnd);
 117
 118 //  SetValue(value);
 119
 120   // start GRW fix
 121   if (label != wxT(""))
 122   {
 123     int label_width, label_height;
 124     GetTextExtent(label, &label_width, &label_height, NULL, NULL, & this->GetFont());
 125     if (width < 0)
 126       width = (int)(label_width + RADIO_SIZE);
 127     if (height<0)
 128     {
 129       height = (int)(label_height);
 130       if (height < RADIO_SIZE)
 131         height = RADIO_SIZE;
 132     }
 133   }
 134   else
 135   {
 136     if (width < 0)
 137       width = RADIO_SIZE;
 138     if (height < 0)
 139       height = RADIO_SIZE;
 140   }
 141   // end GRW fix
 142
 143   SetSize(x, y, width, height);
 144
 145   // for compatibility with wxGTK, the first radio button in a group is
 146   // always checked (this makes sense anyhow as you need to ensure that at
 147   // least one button in the group is checked and this is the simlpest way to
 148   // do it)
 149   if ( m_windowStyle & wxRB_GROUP )
 150       SetValue(TRUE);
 151
 152   return TRUE;
 153 }
 154
 155
 156 void wxRadioButton::SetLabel(const wxString& label)
 157 {
 158   SetWindowText((HWND) GetHWND(), (const wxChar *)label);
 159 }
 160
 161 void wxRadioButton::SetValue(bool value)
 162 {
 163 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 164   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 165 }
 166
 167 // Get single selection
 168 bool wxRadioButton::GetValue(void) const
 169 {
 170   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L) != 0);
 171 }
 172
 173 void wxRadioButton::Command (wxCommandEvent & event)
 174 {
 175   SetValue ( (event.m_commandInt != 0) );
 176   ProcessCommand (event);
 177 }
 178
 179 WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
 180 #if wxUSE_CTL3D
 181                                WXUINT message,
 182                                WXWPARAM wParam,
 183                                WXLPARAM lParam
 184 #else
 185                                WXUINT WXUNUSED(message),
 186                                WXWPARAM WXUNUSED(wParam),
 187                                WXLPARAM WXUNUSED(lParam)
 188 #endif
 189     )
 190 {
 191 #if wxUSE_CTL3D
 192     if ( m_useCtl3D )
 193     {
 194         HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 195         return (WXHBRUSH) hbrush;
 196     }
 197 #endif // wxUSE_CTL3D
 198
 199     HDC hdc = (HDC)pDC;
 200     if (GetParent()->GetTransparentBackground())
 201         SetBkMode(hdc, TRANSPARENT);
 202     else
 203         SetBkMode(hdc, OPAQUE);
 204
 205     wxColour colBack = GetBackgroundColour();
 206
 207     if (!IsEnabled())
 208         colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 209
 210     ::SetBkColor(hdc, wxColourToRGB(colBack));
 211     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
 212
 213     wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
 214
 215     return (WXHBRUSH)brush->GetResourceHandle();
 216 }
 217
 218 // Not implemented
 219 #if 0
 220 bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id,
 221        const wxBitmap *bitmap,
 222            const wxPoint& pos,
 223            const wxSize& size, long style,
 224            const wxValidator& validator,
 225            const wxString& name)
 226 {
 227   SetName(name);
 228   SetValidator(validator);
 229
 230   if (parent) parent->AddChild(this);
 231   SetBackgroundColour(parent->GetBackgroundColour());
 232   SetForegroundColour(parent->GetForegroundColour());
 233
 234   if ( id == -1 )
 235     m_windowId = (int)NewControlId();
 236   else
 237   m_windowId = id;
 238
 239   int x = pos.x;
 240   int y = pos.y;
 241   int width = size.x;
 242   int height = size.y;
 243   m_windowStyle = style ;
 244
 245   long groupStyle = 0;
 246   if (m_windowStyle & wxRB_GROUP)
 247     groupStyle = WS_GROUP;
 248
 249 //  long msStyle = groupStyle | RADIO_FLAGS;
 250   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
 251
 252   m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle",
 253                           msStyle,0,0,0,0,
 254                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
 255
 256   wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE );
 257
 258 #if wxUSE_CTL3D
 259   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 260   {
 261     Ctl3dSubclassCtl((HWND) GetHWND());
 262     m_useCtl3D = TRUE;
 263   }
 264 #endif
 265
 266   // Subclass again for purposes of dialog editing mode
 267   SubclassWin(GetHWND());
 268
 269   SetSize(x, y, width, height);
 270
 271   return TRUE;
 272 }
 273
 274 void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
 275 {
 276 }
 277
 278 void wxBitmapRadioButton::SetValue(bool value)
 279 {
 280 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 281   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 282 }
 283
 284 // Get single selection, for single choice list items
 285 bool wxBitmapRadioButton::GetValue(void) const
 286 {
 287   return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
 288 }
 289
 290 #endif
 291
 292 #endif // wxUSE_RADIOBTN