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 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   bool want3D;
  86   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  87
  88   // Even with extended styles, need to combine with WS_BORDER
  89   // for them to look right.
  90 /*
  91   if ( want3D || wxStyleHasBorder(m_windowStyle) )
  92     msStyle |= WS_BORDER;
  93 */
  94
  95   m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const wxChar *)label,
  96                           msStyle,0,0,0,0,
  97                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
  98
  99   wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create radiobutton") );
 100
 101 #if wxUSE_CTL3D
 102   if (want3D)
 103   {
 104     Ctl3dSubclassCtl((HWND) m_hWnd);
 105    m_useCtl3D = TRUE;
 106   }
 107 #endif
 108
 109   SetFont(parent->GetFont());
 110
 111   // Subclass again for purposes of dialog editing mode
 112   SubclassWin((WXHWND)m_hWnd);
 113
 114 //  SetValue(value);
 115
 116   // start GRW fix
 117   if (label != wxT(""))
 118   {
 119     int label_width, label_height;
 120     GetTextExtent(label, &label_width, &label_height, NULL, NULL, & this->GetFont());
 121     if (width < 0)
 122       width = (int)(label_width + RADIO_SIZE);
 123     if (height<0)
 124     {
 125       height = (int)(label_height);
 126       if (height < RADIO_SIZE)
 127         height = RADIO_SIZE;
 128     }
 129   }
 130   else
 131   {
 132     if (width < 0)
 133       width = RADIO_SIZE;
 134     if (height < 0)
 135       height = RADIO_SIZE;
 136   }
 137   // end GRW fix
 138
 139   SetSize(x, y, width, height);
 140
 141   // for compatibility with wxGTK, the first radio button in a group is
 142   // always checked (this makes sense anyhow as you need to ensure that at
 143   // least one button in the group is checked and this is the simlpest way to
 144   // do it)
 145   if ( m_windowStyle & wxRB_GROUP )
 146       SetValue(TRUE);
 147
 148   return TRUE;
 149 }
 150
 151
 152 void wxRadioButton::SetLabel(const wxString& label)
 153 {
 154   SetWindowText((HWND) GetHWND(), (const wxChar *)label);
 155 }
 156
 157 void wxRadioButton::SetValue(bool value)
 158 {
 159 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 160   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 161 }
 162
 163 // Get single selection
 164 bool wxRadioButton::GetValue(void) const
 165 {
 166   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L) != 0);
 167 }
 168
 169 void wxRadioButton::Command (wxCommandEvent & event)
 170 {
 171   SetValue ( (event.m_commandInt != 0) );
 172   ProcessCommand (event);
 173 }
 174
 175 WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
 176 #if wxUSE_CTL3D
 177                                WXUINT message,
 178                                WXWPARAM wParam,
 179                                WXLPARAM lParam
 180 #else
 181                                WXUINT WXUNUSED(message),
 182                                WXWPARAM WXUNUSED(wParam),
 183                                WXLPARAM WXUNUSED(lParam)
 184 #endif
 185     )
 186 {
 187 #if wxUSE_CTL3D
 188     if ( m_useCtl3D )
 189     {
 190         HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 191         return (WXHBRUSH) hbrush;
 192     }
 193 #endif // wxUSE_CTL3D
 194
 195     HDC hdc = (HDC)pDC;
 196     if (GetParent()->GetTransparentBackground())
 197         SetBkMode(hdc, TRANSPARENT);
 198     else
 199         SetBkMode(hdc, OPAQUE);
 200
 201     wxColour colBack = GetBackgroundColour();
 202
 203     if (!IsEnabled())
 204         colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
 205
 206     ::SetBkColor(hdc, wxColourToRGB(colBack));
 207     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
 208
 209     wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
 210
 211     return (WXHBRUSH)brush->GetResourceHandle();
 212 }
 213
 214 // Not implemented
 215 #if 0
 216 bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id,
 217        const wxBitmap *bitmap,
 218            const wxPoint& pos,
 219            const wxSize& size, long style,
 220            const wxValidator& validator,
 221            const wxString& name)
 222 {
 223   SetName(name);
 224   SetValidator(validator);
 225
 226   if (parent) parent->AddChild(this);
 227   SetBackgroundColour(parent->GetBackgroundColour());
 228   SetForegroundColour(parent->GetForegroundColour());
 229
 230   if ( id == -1 )
 231     m_windowId = (int)NewControlId();
 232   else
 233   m_windowId = id;
 234
 235   int x = pos.x;
 236   int y = pos.y;
 237   int width = size.x;
 238   int height = size.y;
 239   m_windowStyle = style ;
 240
 241   long groupStyle = 0;
 242   if (m_windowStyle & wxRB_GROUP)
 243     groupStyle = WS_GROUP;
 244
 245 //  long msStyle = groupStyle | RADIO_FLAGS;
 246   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
 247
 248   m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle",
 249                           msStyle,0,0,0,0,
 250                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
 251
 252   wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE );
 253
 254 #if wxUSE_CTL3D
 255   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 256   {
 257     Ctl3dSubclassCtl((HWND) GetHWND());
 258     m_useCtl3D = TRUE;
 259   }
 260 #endif
 261
 262   // Subclass again for purposes of dialog editing mode
 263   SubclassWin(GetHWND());
 264
 265   SetSize(x, y, width, height);
 266
 267   return TRUE;
 268 }
 269
 270 void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
 271 {
 272 }
 273
 274 void wxBitmapRadioButton::SetValue(bool value)
 275 {
 276 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 277   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 278 }
 279
 280 // Get single selection, for single choice list items
 281 bool wxBitmapRadioButton::GetValue(void) const
 282 {
 283   return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
 284 }
 285
 286 #endif