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/brush.h"
  28 #endif
  29
  30 #include "wx/msw/private.h"
  31
  32 #if !USE_SHARED_LIBRARY
  33 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
  34 // IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton)
  35 #endif
  36
  37 bool wxRadioButton::MSWCommand(WXUINT param, WXWORD id)
  38 {
  39   if (param == BN_CLICKED)
  40   {
  41     wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId);
  42     event.SetEventObject( this );
  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   SetValidator(validator);
  58
  59   if (parent) parent->AddChild(this);
  60
  61   SetBackgroundColour(parent->GetBackgroundColour());
  62   SetForegroundColour(parent->GetForegroundColour());
  63
  64   if ( id == -1 )
  65     m_windowId = (int)NewControlId();
  66   else
  67   m_windowId = id;
  68
  69   int x = pos.x;
  70   int y = pos.y;
  71   int width = size.x;
  72   int height = size.y;
  73
  74   m_windowStyle = style ;
  75
  76   long groupStyle = 0;
  77   if (m_windowStyle & wxRB_GROUP)
  78     groupStyle = WS_GROUP;
  79
  80 //  long msStyle = groupStyle | RADIO_FLAGS;
  81   long msStyle = groupStyle | BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE ;
  82
  83   bool want3D;
  84   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  85
  86   // Even with extended styles, need to combine with WS_BORDER
  87   // for them to look right.
  88 /*
  89   if ( want3D || wxStyleHasBorder(m_windowStyle) )
  90     msStyle |= WS_BORDER;
  91 */
  92
  93   m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const char *)label,
  94                           msStyle,0,0,0,0,
  95                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
  96
  97   wxCHECK_MSG( m_hWnd, FALSE, "Failed to create radiobutton" );
  98
  99 #if CTL3D
 100   if (want3D)
 101   {
 102     Ctl3dSubclassCtl((HWND) m_hWnd);
 103    m_useCtl3D = TRUE;
 104   }
 105 #endif
 106
 107   SetFont(parent->GetFont());
 108
 109   // Subclass again for purposes of dialog editing mode
 110   SubclassWin((WXHWND)m_hWnd);
 111
 112 //  SetValue(value);
 113
 114   // start GRW fix
 115   if (label != "")
 116   {
 117     int label_width, label_height;
 118     GetTextExtent(label, &label_width, &label_height, NULL, NULL, & GetFont());
 119     if (width < 0)
 120       width = (int)(label_width + RADIO_SIZE);
 121     if (height<0)
 122     {
 123       height = (int)(label_height);
 124       if (height < RADIO_SIZE)
 125         height = RADIO_SIZE;
 126     }
 127   }
 128   else
 129   {
 130     if (width < 0)
 131       width = RADIO_SIZE;
 132     if (height < 0)
 133       height = RADIO_SIZE;
 134   }
 135   // end GRW fix
 136
 137   SetSize(x, y, width, height);
 138
 139   return TRUE;
 140 }
 141
 142
 143 void wxRadioButton::SetLabel(const wxString& label)
 144 {
 145   SetWindowText((HWND) GetHWND(), (const char *)label);
 146 }
 147
 148 void wxRadioButton::SetValue(bool value)
 149 {
 150 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 151   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 152 }
 153
 154 // Get single selection
 155 bool wxRadioButton::GetValue(void) const
 156 {
 157   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L) != 0);
 158 }
 159
 160 WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 161       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 162 {
 163 #if CTL3D
 164   if ( m_useCtl3D )
 165   {
 166     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 167     return (WXHBRUSH) hbrush;
 168   }
 169 #endif
 170
 171   if (GetParent()->GetTransparentBackground())
 172     SetBkMode((HDC) pDC, TRANSPARENT);
 173   else
 174     SetBkMode((HDC) pDC, OPAQUE);
 175
 176   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 177   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 178
 179   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 180
 181   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 182   // has a zero usage count.
 183 //  backgroundBrush->RealizeResource();
 184   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 185 }
 186
 187 void wxRadioButton::Command (wxCommandEvent & event)
 188 {
 189   SetValue ( (event.m_commandInt != 0) );
 190   ProcessCommand (event);
 191 }
 192
 193
 194 // Not implemented
 195 #if 0
 196 bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id,
 197        const wxBitmap *bitmap,
 198            const wxPoint& pos,
 199            const wxSize& size, long style,
 200            const wxValidator& validator,
 201            const wxString& name)
 202 {
 203   SetName(name);
 204   SetValidator(validator);
 205
 206   if (parent) parent->AddChild(this);
 207   SetBackgroundColour(parent->GetBackgroundColour());
 208   SetForegroundColour(parent->GetForegroundColour());
 209
 210   if ( id == -1 )
 211     m_windowId = (int)NewControlId();
 212   else
 213   m_windowId = id;
 214
 215   int x = pos.x;
 216   int y = pos.y;
 217   int width = size.x;
 218   int height = size.y;
 219   m_windowStyle = style ;
 220
 221   long groupStyle = 0;
 222   if (m_windowStyle & wxRB_GROUP)
 223     groupStyle = WS_GROUP;
 224
 225 //  long msStyle = groupStyle | RADIO_FLAGS;
 226   long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ;
 227
 228   m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle",
 229                           msStyle,0,0,0,0,
 230                           (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
 231
 232   wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE );
 233
 234 #if CTL3D
 235   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 236   {
 237     Ctl3dSubclassCtl((HWND) GetHWND());
 238     m_useCtl3D = TRUE;
 239   }
 240 #endif
 241
 242   // Subclass again for purposes of dialog editing mode
 243   SubclassWin(GetHWND());
 244
 245   SetSize(x, y, width, height);
 246
 247   return TRUE;
 248 }
 249
 250 void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
 251 {
 252 }
 253
 254 void wxBitmapRadioButton::SetValue(bool value)
 255 {
 256 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 257   SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
 258 }
 259
 260 // Get single selection, for single choice list items
 261 bool wxBitmapRadioButton::GetValue(void) const
 262 {
 263   return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
 264 }
 265
 266 #endif