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(wxEVT_COMMAND_CHECKBOX_CLICKED, 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 /*
  87   if ( want3D || wxStyleHasBorder(m_windowStyle) )
  88     msStyle |= WS_BORDER;
  89 */
  90
  91   m_hWnd = (WXHWND)CreateWindowEx(exStyle, "BUTTON", Label,
  92                                   msStyle,
  93                                   0, 0, 0, 0,
  94                                   (HWND)parent->GetHWND(), (HMENU)m_windowId,
  95                                   wxGetInstance(), NULL);
  96
  97 #if CTL3D
  98   if (want3D)
  99   {
 100     Ctl3dSubclassCtl((HWND)m_hWnd);
 101     m_useCtl3D = TRUE;
 102   }
 103 #endif
 104
 105   // Subclass again for purposes of dialog editing mode
 106   SubclassWin(m_hWnd);
 107
 108   SetFont(parent->GetFont());
 109
 110   SetSize(x, y, width, height);
 111
 112   return TRUE;
 113 }
 114
 115 void wxCheckBox::SetLabel(const wxString& label)
 116 {
 117   SetWindowText((HWND)GetHWND(), label);
 118 }
 119
 120 void wxCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 121 {
 122   int currentX, currentY;
 123   GetPosition(&currentX, &currentY);
 124   int x1 = x;
 125   int y1 = y;
 126   int w1 = width;
 127   int h1 = height;
 128
 129   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 130     x1 = currentX;
 131   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 132     y1 = currentY;
 133
 134   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 135
 136   int current_width, cyf;
 137   HWND button = (HWND) GetHWND();
 138
 139   int nLen = GetWindowTextLength(button);
 140   wxString str;
 141   GetWindowText(button, str.GetWriteBuf(nLen), nLen);
 142   str.UngetWriteBuf();
 143
 144   if ( !str.IsEmpty() )
 145   {
 146     GetTextExtent(str, &current_width, &cyf, NULL, NULL, & GetFont());
 147     if (w1 < 0)
 148       w1 = (int)(current_width + RADIO_SIZE);
 149     if (h1 < 0)
 150     {
 151       h1 = (int)(cyf);
 152       if (h1 < RADIO_SIZE)
 153         h1 = RADIO_SIZE;
 154     }
 155   }
 156   else
 157   {
 158     if (w1 < 0)
 159       w1 = RADIO_SIZE;
 160     if (h1 < 0)
 161       h1 = RADIO_SIZE;
 162   }
 163
 164   MoveWindow(button, x1, y1, w1, h1, TRUE);
 165 }
 166
 167 void wxCheckBox::SetValue(bool val)
 168 {
 169   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 170 }
 171
 172 bool wxCheckBox::GetValue(void) const
 173 {
 174 #ifdef __WIN32__
 175   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0) == BST_CHECKED);
 176 #else
 177   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 178 #endif
 179 }
 180
 181 WXHBRUSH wxCheckBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 182                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 183 {
 184 #if CTL3D
 185   if ( m_useCtl3D )
 186   {
 187     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 188
 189       return (WXHBRUSH) hbrush;
 190   }
 191 #endif
 192
 193   if (GetParent()->GetTransparentBackground())
 194     SetBkMode((HDC) pDC, TRANSPARENT);
 195   else
 196     SetBkMode((HDC) pDC, OPAQUE);
 197
 198   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 199   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 200
 201   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 202
 203   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 204   // has a zero usage count.
 205 //  backgroundBrush->RealizeResource();
 206   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 207 }
 208
 209 void wxCheckBox::Command (wxCommandEvent & event)
 210 {
 211   SetValue ((event.GetInt() != 0));
 212   ProcessCommand (event);
 213 }
 214
 215 bool wxBitmapCheckBox::Create(wxWindow *parent, wxWindowID id, const wxBitmap *label,
 216            const wxPoint& pos,
 217            const wxSize& size, long style,
 218            const wxValidator& validator,
 219            const wxString& name)
 220 {
 221   SetName(name);
 222   SetValidator(validator);
 223   if (parent) parent->AddChild(this);
 224
 225   SetBackgroundColour(parent->GetBackgroundColour()) ;
 226   SetForegroundColour(parent->GetForegroundColour()) ;
 227   m_windowStyle = style;
 228
 229         if ( id == -1 )
 230                 m_windowId = NewControlId();
 231         else
 232                 m_windowId = id;
 233
 234   int x = pos.x;
 235   int y = pos.y;
 236   int width = size.x;
 237   int height = size.y;
 238
 239   checkWidth = -1 ;
 240   checkHeight = -1 ;
 241   long msStyle = CHECK_FLAGS;
 242
 243   HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, "toggle",
 244                     msStyle,
 245                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
 246                     wxGetInstance(), NULL);
 247
 248 #if CTL3D
 249   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 250   {
 251     Ctl3dSubclassCtl(wx_button);
 252           m_useCtl3D = TRUE;
 253   }
 254 #endif
 255
 256   m_hWnd = (WXHWND)wx_button;
 257
 258   // Subclass again for purposes of dialog editing mode
 259   SubclassWin((WXHWND)wx_button);
 260
 261 //  SetFont(parent->GetFont());
 262
 263   SetSize(x, y, width, height);
 264
 265   ShowWindow(wx_button, SW_SHOW);
 266   return TRUE;
 267 }
 268
 269 void wxBitmapCheckBox::SetLabel(const wxBitmap *bitmap)
 270 {
 271 }
 272
 273 void wxBitmapCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 274 {
 275   int currentX, currentY;
 276   GetPosition(&currentX, &currentY);
 277
 278   int x1 = x;
 279   int y1 = y;
 280   int w1 = width;
 281   int h1 = height;
 282
 283   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 284     x1 = currentX;
 285   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 286     y1 = currentY;
 287
 288   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 289
 290   HWND button = (HWND) GetHWND();
 291 /*
 292     if (w1<0)
 293       w1 = checkWidth + FB_MARGIN ;
 294     if (h1<0)
 295       h1 = checkHeight + FB_MARGIN ;
 296 */
 297   MoveWindow(button, x1, y1, w1, h1, TRUE);
 298 }
 299
 300 void wxBitmapCheckBox::SetValue(bool val)
 301 {
 302   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 303 }
 304
 305 bool wxBitmapCheckBox::GetValue(void) const
 306 {
 307   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 308 }
 309
 310