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 #endif
  28
  29 #include "wx/msw/private.h"
  30
  31 #if !USE_SHARED_LIBRARY
  32 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
  33 // IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton)
  34 #endif
  35
  36 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
  37        const wxString& label,
  38            const wxPoint& pos,
  39            const wxSize& size, long style,
  40            const wxValidator& validator,
  41            const wxString& name)
  42 {
  43   SetName(name);
  44   SetValidator(validator);
  45
  46   if (parent) parent->AddChild(this);
  47
  48   SetBackgroundColour(parent->GetBackgroundColour());
  49   SetForegroundColour(parent->GetForegroundColour());
  50
  51   if ( id == -1 )
  52     m_windowId = (int)NewControlId();
  53   else
  54   m_windowId = id;
  55
  56   int x = pos.x;
  57   int y = pos.y;
  58   int width = size.x;
  59   int height = size.y;
  60
  61   m_windowStyle = style ;
  62
  63   long groupStyle = 0;
  64   if (m_windowStyle & wxRB_GROUP)
  65     groupStyle = WS_GROUP;
  66
  67 //  long msStyle = groupStyle | RADIO_FLAGS;
  68   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
  69
  70   bool want3D;
  71   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  72
  73   // Even with extended styles, need to combine with WS_BORDER
  74   // for them to look right.
  75 /*
  76   if ( want3D || wxStyleHasBorder(m_windowStyle) )
  77     msStyle |= WS_BORDER;
  78 */
  79
  80   m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const char *)label,
  81                           msStyle,0,0,0,0,
  82                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
  83
  84   wxCHECK_MSG( m_hWnd, FALSE, "Failed to create radiobutton" );
  85
  86 #if CTL3D
  87   if (want3D)
  88   {
  89     Ctl3dSubclassCtl((HWND) m_hWnd);
  90    m_useCtl3D = TRUE;
  91   }
  92 #endif
  93
  94   SetFont(* parent->GetFont());
  95
  96   // Subclass again for purposes of dialog editing mode
  97   SubclassWin((WXHWND)m_hWnd);
  98
  99 //  SetValue(value);
 100
 101   // start GRW fix
 102   if (label != "")
 103   {
 104     int label_width, label_height;
 105     GetTextExtent(label, &label_width, &label_height, NULL, NULL, GetFont());
 106     if (width < 0)
 107       width = (int)(label_width + RADIO_SIZE);
 108     if (height<0)
 109     {
 110       height = (int)(label_height);
 111       if (height < RADIO_SIZE)
 112         height = RADIO_SIZE;
 113     }
 114   }
 115   else
 116   {
 117     if (width < 0)
 118       width = RADIO_SIZE;
 119     if (height < 0)
 120       height = RADIO_SIZE;
 121   }
 122   // end GRW fix
 123
 124   SetSize(x, y, width, height);
 125
 126   return TRUE;
 127 }
 128
 129
 130 void wxRadioButton::SetLabel(const wxString& label)
 131 {
 132   SetWindowText((HWND) GetHWND(), (const char *)label);
 133 }
 134
 135 void wxRadioButton::SetValue(bool value)
 136 {
 137 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 138   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 139 }
 140
 141 // Get single selection, for single choice list items
 142 bool wxRadioButton::GetValue(void) const
 143 {
 144   return (SendMessage((HWND) GetHWND(), BM_SETCHECK, 0, 0L) != 0);
 145 }
 146
 147 WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 148       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 149 {
 150 #if CTL3D
 151   if ( m_useCtl3D )
 152   {
 153     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 154     return (WXHBRUSH) hbrush;
 155   }
 156 #endif
 157
 158   if (GetParent()->GetTransparentBackground())
 159     SetBkMode((HDC) pDC, TRANSPARENT);
 160   else
 161     SetBkMode((HDC) pDC, OPAQUE);
 162
 163   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 164   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 165
 166   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 167
 168   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 169   // has a zero usage count.
 170 //  backgroundBrush->RealizeResource();
 171   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 172 }
 173
 174 void wxRadioButton::Command (wxCommandEvent & event)
 175 {
 176   SetValue ( (event.m_commandInt != 0) );
 177   ProcessCommand (event);
 178 }
 179
 180
 181 // Not implemented
 182 #if 0
 183 bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id,
 184        const wxBitmap *bitmap,
 185            const wxPoint& pos,
 186            const wxSize& size, long style,
 187            const wxValidator& validator,
 188            const wxString& name)
 189 {
 190   SetName(name);
 191   SetValidator(validator);
 192
 193   if (parent) parent->AddChild(this);
 194   SetBackgroundColour(parent->GetBackgroundColour());
 195   SetForegroundColour(parent->GetForegroundColour());
 196
 197   if ( id == -1 )
 198     m_windowId = (int)NewControlId();
 199   else
 200   m_windowId = id;
 201
 202   int x = pos.x;
 203   int y = pos.y;
 204   int width = size.x;
 205   int height = size.y;
 206   m_windowStyle = style ;
 207
 208   long groupStyle = 0;
 209   if (m_windowStyle & wxRB_GROUP)
 210     groupStyle = WS_GROUP;
 211
 212 //  long msStyle = groupStyle | RADIO_FLAGS;
 213   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
 214
 215   m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle",
 216                           msStyle,0,0,0,0,
 217                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
 218
 219   wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE );
 220
 221 #if CTL3D
 222   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 223   {
 224     Ctl3dSubclassCtl((HWND) GetHWND());
 225     m_useCtl3D = TRUE;
 226   }
 227 #endif
 228
 229   // Subclass again for purposes of dialog editing mode
 230   SubclassWin(GetHWND());
 231
 232   SetSize(x, y, width, height);
 233
 234   return TRUE;
 235 }
 236
 237 void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
 238 {
 239 }
 240
 241 void wxBitmapRadioButton::SetValue(bool value)
 242 {
 243 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 244   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 245 }
 246
 247 // Get single selection, for single choice list items
 248 bool wxBitmapRadioButton::GetValue(void) const
 249 {
 250   return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
 251 }
 252
 253 #endif