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::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   SetValidator(validator);
  57
  58   if (parent) parent->AddChild(this);
  59
  60   SetBackgroundColour(parent->GetBackgroundColour());
  61   SetForegroundColour(parent->GetForegroundColour());
  62
  63   if ( id == -1 )
  64     m_windowId = (int)NewControlId();
  65   else
  66   m_windowId = id;
  67
  68   int x = pos.x;
  69   int y = pos.y;
  70   int width = size.x;
  71   int height = size.y;
  72
  73   m_windowStyle = style ;
  74
  75   long groupStyle = 0;
  76   if (m_windowStyle & wxRB_GROUP)
  77     groupStyle = WS_GROUP;
  78
  79 //  long msStyle = groupStyle | RADIO_FLAGS;
  80   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
  81
  82   bool want3D;
  83   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  84
  85   // Even with extended styles, need to combine with WS_BORDER
  86   // for them to look right.
  87 /*
  88   if ( want3D || wxStyleHasBorder(m_windowStyle) )
  89     msStyle |= WS_BORDER;
  90 */
  91
  92   m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const char *)label,
  93                           msStyle,0,0,0,0,
  94                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
  95
  96   wxCHECK_MSG( m_hWnd, FALSE, "Failed to create radiobutton" );
  97
  98 #if CTL3D
  99   if (want3D)
 100   {
 101     Ctl3dSubclassCtl((HWND) m_hWnd);
 102    m_useCtl3D = TRUE;
 103   }
 104 #endif
 105
 106   SetFont(* parent->GetFont());
 107
 108   // Subclass again for purposes of dialog editing mode
 109   SubclassWin((WXHWND)m_hWnd);
 110
 111 //  SetValue(value);
 112
 113   // start GRW fix
 114   if (label != "")
 115   {
 116     int label_width, label_height;
 117     GetTextExtent(label, &label_width, &label_height, NULL, NULL, GetFont());
 118     if (width < 0)
 119       width = (int)(label_width + RADIO_SIZE);
 120     if (height<0)
 121     {
 122       height = (int)(label_height);
 123       if (height < RADIO_SIZE)
 124         height = RADIO_SIZE;
 125     }
 126   }
 127   else
 128   {
 129     if (width < 0)
 130       width = RADIO_SIZE;
 131     if (height < 0)
 132       height = RADIO_SIZE;
 133   }
 134   // end GRW fix
 135
 136   SetSize(x, y, width, height);
 137
 138   return TRUE;
 139 }
 140
 141
 142 void wxRadioButton::SetLabel(const wxString& label)
 143 {
 144   SetWindowText((HWND) GetHWND(), (const char *)label);
 145 }
 146
 147 void wxRadioButton::SetValue(bool value)
 148 {
 149 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 150   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 151 }
 152
 153 // Get single selection, for single choice list items
 154 bool wxRadioButton::GetValue(void) const
 155 {
 156   return (SendMessage((HWND) GetHWND(), BM_SETCHECK, 0, 0L) != 0);
 157 }
 158
 159 WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 160       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 161 {
 162 #if CTL3D
 163   if ( m_useCtl3D )
 164   {
 165     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 166     return (WXHBRUSH) hbrush;
 167   }
 168 #endif
 169
 170   if (GetParent()->GetTransparentBackground())
 171     SetBkMode((HDC) pDC, TRANSPARENT);
 172   else
 173     SetBkMode((HDC) pDC, OPAQUE);
 174
 175   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 176   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 177
 178   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 179
 180   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 181   // has a zero usage count.
 182 //  backgroundBrush->RealizeResource();
 183   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 184 }
 185
 186 void wxRadioButton::Command (wxCommandEvent & event)
 187 {
 188   SetValue ( (event.m_commandInt != 0) );
 189   ProcessCommand (event);
 190 }
 191
 192
 193 // Not implemented
 194 #if 0
 195 bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id,
 196        const wxBitmap *bitmap,
 197            const wxPoint& pos,
 198            const wxSize& size, long style,
 199            const wxValidator& validator,
 200            const wxString& name)
 201 {
 202   SetName(name);
 203   SetValidator(validator);
 204
 205   if (parent) parent->AddChild(this);
 206   SetBackgroundColour(parent->GetBackgroundColour());
 207   SetForegroundColour(parent->GetForegroundColour());
 208
 209   if ( id == -1 )
 210     m_windowId = (int)NewControlId();
 211   else
 212   m_windowId = id;
 213
 214   int x = pos.x;
 215   int y = pos.y;
 216   int width = size.x;
 217   int height = size.y;
 218   m_windowStyle = style ;
 219
 220   long groupStyle = 0;
 221   if (m_windowStyle & wxRB_GROUP)
 222     groupStyle = WS_GROUP;
 223
 224 //  long msStyle = groupStyle | RADIO_FLAGS;
 225   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
 226
 227   m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle",
 228                           msStyle,0,0,0,0,
 229                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
 230
 231   wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE );
 232
 233 #if CTL3D
 234   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 235   {
 236     Ctl3dSubclassCtl((HWND) GetHWND());
 237     m_useCtl3D = TRUE;
 238   }
 239 #endif
 240
 241   // Subclass again for purposes of dialog editing mode
 242   SubclassWin(GetHWND());
 243
 244   SetSize(x, y, width, height);
 245
 246   return TRUE;
 247 }
 248
 249 void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
 250 {
 251 }
 252
 253 void wxBitmapRadioButton::SetValue(bool value)
 254 {
 255 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 256   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 257 }
 258
 259 // Get single selection, for single choice list items
 260 bool wxBitmapRadioButton::GetValue(void) const
 261 {
 262   return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
 263 }
 264
 265 #endif