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