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