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->GetDefaultBackgroundColour()) ;
  55   SetForegroundColour(parent->GetDefaultForegroundColour()) ;
  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;
  74
  75   // We perhaps have different concepts of 3D here - a 3D border,
  76   // versus a 3D button.
  77   // So we only wish to give a border if this is specified
  78   // in the style.
  79   bool want3D;
  80   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
  81
  82   // Even with extended styles, need to combine with WS_BORDER
  83   // for them to look right.
  84   if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
  85        (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
  86     msStyle |= WS_BORDER;
  87
  88   HWND wx_button = CreateWindowEx(exStyle, "BUTTON", (const char *)Label,
  89                     msStyle,
  90                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  91                     wxGetInstance(), NULL);
  92
  93 #if CTL3D
  94   if (want3D)
  95   {
  96     Ctl3dSubclassCtl(wx_button);
  97     m_useCtl3D = TRUE;
  98   }
  99 #endif
 100
 101   m_hWnd = (WXHWND) wx_button;
 102
 103   // Subclass again for purposes of dialog editing mode
 104   SubclassWin((WXHWND) wx_button);
 105
 106   SetFont(* parent->GetFont());
 107
 108   SetSize(x, y, width, height);
 109
 110   ShowWindow(wx_button, SW_SHOW);
 111   return TRUE;
 112 }
 113
 114 void wxCheckBox::SetLabel(const wxString& label)
 115 {
 116   SetWindowText((HWND) GetHWND(), (const char *)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   char buf[300];
 136
 137   int current_width, cyf;
 138   HWND button = (HWND) GetHWND();
 139
 140     GetWindowText(button, buf, 300);
 141     if (buf[0])
 142     {
 143       GetTextExtent(buf, &current_width, &cyf, NULL, NULL, GetFont());
 144       if (w1 < 0)
 145         w1 = (int)(current_width + RADIO_SIZE);
 146       if (h1 < 0)
 147       {
 148         h1 = (int)(cyf);
 149         if (h1 < RADIO_SIZE)
 150           h1 = RADIO_SIZE;
 151       }
 152     }
 153     else
 154     {
 155       if (w1 < 0)
 156         w1 = RADIO_SIZE;
 157       if (h1 < 0)
 158         h1 = RADIO_SIZE;
 159     }
 160
 161   MoveWindow(button, x1, y1, w1, h1, TRUE);
 162 }
 163
 164 void wxCheckBox::SetValue(bool val)
 165 {
 166   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 167 }
 168
 169 bool wxCheckBox::GetValue(void) const
 170 {
 171 #ifdef __WIN32__
 172   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0) == BST_CHECKED);
 173 #else
 174   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 175 #endif
 176 }
 177
 178 WXHBRUSH wxCheckBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 179                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 180 {
 181 #if CTL3D
 182   if ( m_useCtl3D )
 183   {
 184     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 185
 186       return (WXHBRUSH) hbrush;
 187   }
 188 #endif
 189
 190   if (GetParent()->GetTransparentBackground())
 191     SetBkMode((HDC) pDC, TRANSPARENT);
 192   else
 193     SetBkMode((HDC) pDC, OPAQUE);
 194
 195   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 196   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 197
 198   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 199
 200   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 201   // has a zero usage count.
 202 //  backgroundBrush->RealizeResource();
 203   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 204 }
 205
 206 void wxCheckBox::Command (wxCommandEvent & event)
 207 {
 208   SetValue ((event.GetInt() != 0));
 209   ProcessCommand (event);
 210 }
 211
 212 bool wxBitmapCheckBox::Create(wxWindow *parent, wxWindowID id, const wxBitmap *label,
 213            const wxPoint& pos,
 214            const wxSize& size, long style,
 215            const wxValidator& validator,
 216            const wxString& name)
 217 {
 218   SetName(name);
 219   SetValidator(validator);
 220   if (parent) parent->AddChild(this);
 221
 222   SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
 223   SetForegroundColour(parent->GetDefaultForegroundColour()) ;
 224   m_windowStyle = style;
 225
 226         if ( id == -1 )
 227                 m_windowId = NewControlId();
 228         else
 229                 m_windowId = id;
 230
 231   int x = pos.x;
 232   int y = pos.y;
 233   int width = size.x;
 234   int height = size.y;
 235
 236   checkWidth = -1 ;
 237   checkHeight = -1 ;
 238   long msStyle = CHECK_FLAGS;
 239
 240   HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, "toggle",
 241                     msStyle,
 242                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
 243                     wxGetInstance(), NULL);
 244
 245 #if CTL3D
 246   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 247   {
 248     Ctl3dSubclassCtl(wx_button);
 249           m_useCtl3D = TRUE;
 250   }
 251 #endif
 252
 253   m_hWnd = (WXHWND)wx_button;
 254
 255   // Subclass again for purposes of dialog editing mode
 256   SubclassWin((WXHWND)wx_button);
 257
 258 //  SetFont(parent->GetFont());
 259
 260   SetSize(x, y, width, height);
 261
 262   ShowWindow(wx_button, SW_SHOW);
 263   return TRUE;
 264 }
 265
 266 void wxBitmapCheckBox::SetLabel(const wxBitmap *bitmap)
 267 {
 268 }
 269
 270 void wxBitmapCheckBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 271 {
 272   int currentX, currentY;
 273   GetPosition(&currentX, &currentY);
 274
 275   int x1 = x;
 276   int y1 = y;
 277   int w1 = width;
 278   int h1 = height;
 279
 280   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 281     x1 = currentX;
 282   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 283     y1 = currentY;
 284
 285   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 286
 287   HWND button = (HWND) GetHWND();
 288 /*
 289     if (w1<0)
 290       w1 = checkWidth + FB_MARGIN ;
 291     if (h1<0)
 292       h1 = checkHeight + FB_MARGIN ;
 293 */
 294   MoveWindow(button, x1, y1, w1, h1, TRUE);
 295 }
 296
 297 void wxBitmapCheckBox::SetValue(bool val)
 298 {
 299   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 300 }
 301
 302 bool wxBitmapCheckBox::GetValue(void) const
 303 {
 304   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 305 }
 306
 307