src/msw/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        checkbox.cpp
   3 // Purpose:     wxCheckBox
   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 "checkbox.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 "wx/checkbox.h"
  25 #endif
  26
  27 #include "wx/msw/private.h"
  28
  29 #if !USE_SHARED_LIBRARY
  30 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
  31 IMPLEMENT_DYNAMIC_CLASS(wxBitmapCheckBox, wxCheckBox)
  32 #endif
  33
  34 bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
  35 {
  36   wxCommandEvent event(wxEVENT_TYPE_CHECKBOX_COMMAND, m_windowId);
  37   event.SetInt(GetValue());
  38   event.SetEventObject(this);
  39   ProcessCommand(event);
  40   return TRUE;
  41 }
  42
  43 // Single check box item
  44 bool wxCheckBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  45            const wxPoint& pos,
  46            const wxSize& size, long style,
  47            const wxValidator& validator,
  48            const wxString& name)
  49 {
  50   SetName(name);
  51   SetValidator(validator);
  52   if (parent) parent->AddChild(this);
  53
  54   SetBackgroundColour(parent->GetBackgroundColour()) ;
  55   SetForegroundColour(parent->GetForegroundColour()) ;
  56
  57   m_windowStyle = style;
  58
  59   wxString Label = label;
  60   if (Label == "")
  61     Label = " "; // Apparently needed or checkbox won't show
  62
  63         if ( id == -1 )
  64                 m_windowId = 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   long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP | WS_CHILD | WS_VISIBLE;
  74   if ( style & wxALIGN_RIGHT )
  75     msStyle |= BS_LEFTTEXT;
  76
  77   // We perhaps have different concepts of 3D here - a 3D border,
  78   // versus a 3D button.
  79   // So we only wish to give a border if this is specified
  80   // in the style.
  81   bool want3D;
  82   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  83
  84   // Even with extended styles, need to combine with WS_BORDER
  85   // for them to look right.
  86   if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
  87        (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
  88     msStyle |= WS_BORDER;
  89
  90   m_hWnd = (WXHWND)CreateWindowEx(exStyle, "BUTTON", Label,
  91                                   msStyle,
  92                                   0, 0, 0, 0,
  93                                   (HWND)parent->GetHWND(), (HMENU)m_windowId,
  94                                   wxGetInstance(), NULL);
  95
  96 #if CTL3D
  97   if (want3D)
  98   {
  99     Ctl3dSubclassCtl((HWND)m_hWnd);
 100     m_useCtl3D = TRUE;
 101   }
 102 #endif
 103
 104   // Subclass again for purposes of dialog editing mode
 105   SubclassWin(m_hWnd);
 106
 107   SetFont(*parent->GetFont());
 108
 109   SetSize(x, y, width, height);
 110
 111   return TRUE;
 112 }
 113
 114 void wxCheckBox::SetLabel(const wxString& label)
 115 {
 116   SetWindowText((HWND)GetHWND(), label);
 117 }
 118
 119 void wxCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 120 {
 121   int currentX, currentY;
 122   GetPosition(&currentX, &currentY);
 123   int x1 = x;
 124   int y1 = y;
 125   int w1 = width;
 126   int h1 = height;
 127
 128   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 129     x1 = currentX;
 130   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 131     y1 = currentY;
 132
 133   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 134
 135   int current_width, cyf;
 136   HWND button = (HWND) GetHWND();
 137
 138   int nLen = GetWindowTextLength(button);
 139   wxString str;
 140   GetWindowText(button, str.GetWriteBuf(nLen), nLen);
 141   str.UngetWriteBuf();
 142
 143   if ( !str.IsEmpty() )
 144   {
 145     GetTextExtent(str, &current_width, &cyf, NULL, NULL, GetFont());
 146     if (w1 < 0)
 147       w1 = (int)(current_width + RADIO_SIZE);
 148     if (h1 < 0)
 149     {
 150       h1 = (int)(cyf);
 151       if (h1 < RADIO_SIZE)
 152         h1 = RADIO_SIZE;
 153     }
 154   }
 155   else
 156   {
 157     if (w1 < 0)
 158       w1 = RADIO_SIZE;
 159     if (h1 < 0)
 160       h1 = RADIO_SIZE;
 161   }
 162
 163   MoveWindow(button, x1, y1, w1, h1, TRUE);
 164 }
 165
 166 void wxCheckBox::SetValue(bool val)
 167 {
 168   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 169 }
 170
 171 bool wxCheckBox::GetValue(void) const
 172 {
 173 #ifdef __WIN32__
 174   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0) == BST_CHECKED);
 175 #else
 176   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 177 #endif
 178 }
 179
 180 WXHBRUSH wxCheckBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 181                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 182 {
 183 #if CTL3D
 184   if ( m_useCtl3D )
 185   {
 186     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 187
 188       return (WXHBRUSH) hbrush;
 189   }
 190 #endif
 191
 192   if (GetParent()->GetTransparentBackground())
 193     SetBkMode((HDC) pDC, TRANSPARENT);
 194   else
 195     SetBkMode((HDC) pDC, OPAQUE);
 196
 197   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 198   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 199
 200   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 201
 202   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 203   // has a zero usage count.
 204 //  backgroundBrush->RealizeResource();
 205   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 206 }
 207
 208 void wxCheckBox::Command (wxCommandEvent & event)
 209 {
 210   SetValue ((event.GetInt() != 0));
 211   ProcessCommand (event);
 212 }
 213
 214 bool wxBitmapCheckBox::Create(wxWindow *parent, wxWindowID id, const wxBitmap *label,
 215            const wxPoint& pos,
 216            const wxSize& size, long style,
 217            const wxValidator& validator,
 218            const wxString& name)
 219 {
 220   SetName(name);
 221   SetValidator(validator);
 222   if (parent) parent->AddChild(this);
 223
 224   SetBackgroundColour(parent->GetBackgroundColour()) ;
 225   SetForegroundColour(parent->GetForegroundColour()) ;
 226   m_windowStyle = style;
 227
 228         if ( id == -1 )
 229                 m_windowId = NewControlId();
 230         else
 231                 m_windowId = id;
 232
 233   int x = pos.x;
 234   int y = pos.y;
 235   int width = size.x;
 236   int height = size.y;
 237
 238   checkWidth = -1 ;
 239   checkHeight = -1 ;
 240   long msStyle = CHECK_FLAGS;
 241
 242   HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, "toggle",
 243                     msStyle,
 244                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
 245                     wxGetInstance(), NULL);
 246
 247 #if CTL3D
 248   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 249   {
 250     Ctl3dSubclassCtl(wx_button);
 251           m_useCtl3D = TRUE;
 252   }
 253 #endif
 254
 255   m_hWnd = (WXHWND)wx_button;
 256
 257   // Subclass again for purposes of dialog editing mode
 258   SubclassWin((WXHWND)wx_button);
 259
 260 //  SetFont(parent->GetFont());
 261
 262   SetSize(x, y, width, height);
 263
 264   ShowWindow(wx_button, SW_SHOW);
 265   return TRUE;
 266 }
 267
 268 void wxBitmapCheckBox::SetLabel(const wxBitmap *bitmap)
 269 {
 270 }
 271
 272 void wxBitmapCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 273 {
 274   int currentX, currentY;
 275   GetPosition(&currentX, &currentY);
 276
 277   int x1 = x;
 278   int y1 = y;
 279   int w1 = width;
 280   int h1 = height;
 281
 282   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 283     x1 = currentX;
 284   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 285     y1 = currentY;
 286
 287   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 288
 289   HWND button = (HWND) GetHWND();
 290 /*
 291     if (w1<0)
 292       w1 = checkWidth + FB_MARGIN ;
 293     if (h1<0)
 294       h1 = checkHeight + FB_MARGIN ;
 295 */
 296   MoveWindow(button, x1, y1, w1, h1, TRUE);
 297 }
 298
 299 void wxBitmapCheckBox::SetValue(bool val)
 300 {
 301   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 302 }
 303
 304 bool wxBitmapCheckBox::GetValue(void) const
 305 {
 306   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 307 }
 308
 309