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