src/msw/radiobut.cpp

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