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