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 #include "wx/brush.h"
  26 #endif
  27
  28 #include "wx/msw/private.h"
  29
  30 #if !USE_SHARED_LIBRARY
  31 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
  32 IMPLEMENT_DYNAMIC_CLASS(wxBitmapCheckBox, wxCheckBox)
  33 #endif
  34
  35 bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
  36 {
  37   wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId);
  38   event.SetInt(GetValue());
  39   event.SetEventObject(this);
  40   ProcessCommand(event);
  41   return TRUE;
  42 }
  43
  44 // Single check box item
  45 bool wxCheckBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  46            const wxPoint& pos,
  47            const wxSize& size, long style,
  48            const wxValidator& validator,
  49            const wxString& name)
  50 {
  51   SetName(name);
  52   SetValidator(validator);
  53   if (parent) parent->AddChild(this);
  54
  55   SetBackgroundColour(parent->GetBackgroundColour()) ;
  56   SetForegroundColour(parent->GetForegroundColour()) ;
  57
  58   m_windowStyle = style;
  59
  60   wxString Label = label;
  61   if (Label == "")
  62     Label = " "; // Apparently needed or checkbox won't show
  63
  64         if ( id == -1 )
  65                 m_windowId = 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   long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP | WS_CHILD | WS_VISIBLE;
  75   if ( style & wxALIGN_RIGHT )
  76     msStyle |= BS_LEFTTEXT;
  77
  78   // We perhaps have different concepts of 3D here - a 3D border,
  79   // versus a 3D button.
  80   // So we only wish to give a border if this is specified
  81   // in the style.
  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, "BUTTON", Label,
  93                                   msStyle,
  94                                   0, 0, 0, 0,
  95                                   (HWND)parent->GetHWND(), (HMENU)m_windowId,
  96                                   wxGetInstance(), NULL);
  97
  98 #if wxUSE_CTL3D
  99   if (want3D)
 100   {
 101     Ctl3dSubclassCtl((HWND)m_hWnd);
 102     m_useCtl3D = TRUE;
 103   }
 104 #endif
 105
 106   // Subclass again for purposes of dialog editing mode
 107   SubclassWin(m_hWnd);
 108
 109   SetFont(parent->GetFont());
 110
 111   SetSize(x, y, width, height);
 112
 113   return TRUE;
 114 }
 115
 116 void wxCheckBox::SetLabel(const wxString& label)
 117 {
 118   SetWindowText((HWND)GetHWND(), label);
 119 }
 120
 121 void wxCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 122 {
 123   int currentX, currentY;
 124   GetPosition(&currentX, &currentY);
 125   int x1 = x;
 126   int y1 = y;
 127   int w1 = width;
 128   int h1 = height;
 129
 130   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 131     x1 = currentX;
 132   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 133     y1 = currentY;
 134
 135   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 136
 137   int current_width, cyf;
 138   HWND button = (HWND) GetHWND();
 139
 140   int nLen = GetWindowTextLength(button);
 141   wxString str;
 142   GetWindowText(button, str.GetWriteBuf(nLen), nLen);
 143   str.UngetWriteBuf();
 144
 145   if ( !str.IsEmpty() )
 146   {
 147     GetTextExtent(str, &current_width, &cyf, NULL, NULL, & this->GetFont());
 148     if (w1 < 0)
 149       w1 = (int)(current_width + RADIO_SIZE);
 150     if (h1 < 0)
 151     {
 152       h1 = (int)(cyf);
 153       if (h1 < RADIO_SIZE)
 154         h1 = RADIO_SIZE;
 155     }
 156   }
 157   else
 158   {
 159     if (w1 < 0)
 160       w1 = RADIO_SIZE;
 161     if (h1 < 0)
 162       h1 = RADIO_SIZE;
 163   }
 164
 165   MoveWindow(button, x1, y1, w1, h1, TRUE);
 166 }
 167
 168 void wxCheckBox::SetValue(bool val)
 169 {
 170   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 171 }
 172
 173 #ifndef BST_CHECKED
 174 #define BST_CHECKED 0x0001
 175 #endif
 176
 177 bool wxCheckBox::GetValue(void) const
 178 {
 179 #ifdef __WIN32__
 180   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0) == BST_CHECKED);
 181 #else
 182   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 183 #endif
 184 }
 185
 186 WXHBRUSH wxCheckBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 187                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 188 {
 189 #if wxUSE_CTL3D
 190   if ( m_useCtl3D )
 191   {
 192     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 193
 194       return (WXHBRUSH) hbrush;
 195   }
 196 #endif
 197
 198   if (GetParent()->GetTransparentBackground())
 199     SetBkMode((HDC) pDC, TRANSPARENT);
 200   else
 201     SetBkMode((HDC) pDC, OPAQUE);
 202
 203   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 204   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 205
 206   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 207
 208   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 209   // has a zero usage count.
 210 //  backgroundBrush->RealizeResource();
 211   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 212 }
 213
 214 void wxCheckBox::Command (wxCommandEvent & event)
 215 {
 216   SetValue ((event.GetInt() != 0));
 217   ProcessCommand (event);
 218 }
 219
 220 bool wxBitmapCheckBox::Create(wxWindow *parent, wxWindowID id, const wxBitmap *label,
 221            const wxPoint& pos,
 222            const wxSize& size, long style,
 223            const wxValidator& validator,
 224            const wxString& name)
 225 {
 226   SetName(name);
 227   SetValidator(validator);
 228   if (parent) parent->AddChild(this);
 229
 230   SetBackgroundColour(parent->GetBackgroundColour()) ;
 231   SetForegroundColour(parent->GetForegroundColour()) ;
 232   m_windowStyle = style;
 233
 234         if ( id == -1 )
 235                 m_windowId = NewControlId();
 236         else
 237                 m_windowId = id;
 238
 239   int x = pos.x;
 240   int y = pos.y;
 241   int width = size.x;
 242   int height = size.y;
 243
 244   checkWidth = -1 ;
 245   checkHeight = -1 ;
 246   long msStyle = CHECK_FLAGS;
 247
 248   HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, "toggle",
 249                     msStyle,
 250                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
 251                     wxGetInstance(), NULL);
 252
 253 #if wxUSE_CTL3D
 254   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 255   {
 256     Ctl3dSubclassCtl(wx_button);
 257           m_useCtl3D = TRUE;
 258   }
 259 #endif
 260
 261   m_hWnd = (WXHWND)wx_button;
 262
 263   // Subclass again for purposes of dialog editing mode
 264   SubclassWin((WXHWND)wx_button);
 265
 266 //  SetFont(parent->GetFont());
 267
 268   SetSize(x, y, width, height);
 269
 270   ShowWindow(wx_button, SW_SHOW);
 271   return TRUE;
 272 }
 273
 274 void wxBitmapCheckBox::SetLabel(const wxBitmap& bitmap)
 275 {
 276 }
 277
 278 void wxBitmapCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 279 {
 280   int currentX, currentY;
 281   GetPosition(&currentX, &currentY);
 282
 283   int x1 = x;
 284   int y1 = y;
 285   int w1 = width;
 286   int h1 = height;
 287
 288   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 289     x1 = currentX;
 290   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 291     y1 = currentY;
 292
 293   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 294
 295   HWND button = (HWND) GetHWND();
 296 /*
 297     if (w1<0)
 298       w1 = checkWidth + FB_MARGIN ;
 299     if (h1<0)
 300       h1 = checkHeight + FB_MARGIN ;
 301 */
 302   MoveWindow(button, x1, y1, w1, h1, TRUE);
 303 }
 304
 305 void wxBitmapCheckBox::SetValue(bool val)
 306 {
 307   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 308 }
 309
 310 bool wxBitmapCheckBox::GetValue(void) const
 311 {
 312   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 313 }
 314
 315