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(const WXUINT WXUNUSED(param), const 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, const wxWindowID id, const wxString& label,
  45            const wxPoint& pos,
  46            const wxSize& size, const 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(const int x, const int y, const int width, const int height, const 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   float current_width;
 136
 137   float cyf;
 138
 139   HWND button = (HWND) GetHWND();
 140
 141     GetWindowText(button, buf, 300);
 142     if (buf[0])
 143     {
 144       GetTextExtent(buf, &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 #if WXWIN_COMPATIBILITY
 166   GetEventHandler()->OldOnSize(width, height);
 167 #else
 168   wxSizeEvent event(wxSize(width, height), m_windowId);
 169   event.eventObject = this;
 170   GetEventHandler()->ProcessEvent(event);
 171 #endif
 172 */
 173
 174 }
 175
 176 void wxCheckBox::SetValue(const bool val)
 177 {
 178   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 179 }
 180
 181 bool wxCheckBox::GetValue(void) const
 182 {
 183 #ifdef __WIN32__
 184   return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0) == BST_CHECKED);
 185 #else
 186   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 187 #endif
 188 }
 189
 190 WXHBRUSH wxCheckBox::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
 191                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 192 {
 193 #if CTL3D
 194   if ( m_useCtl3D )
 195   {
 196     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 197
 198       return (WXHBRUSH) hbrush;
 199   }
 200 #endif
 201
 202   if (GetParent()->GetTransparentBackground())
 203     SetBkMode((HDC) pDC, TRANSPARENT);
 204   else
 205     SetBkMode((HDC) pDC, OPAQUE);
 206
 207   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 208   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 209
 210   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 211
 212   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 213   // has a zero usage count.
 214 //  backgroundBrush->RealizeResource();
 215   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 216 }
 217
 218 void wxCheckBox::Command (wxCommandEvent & event)
 219 {
 220   SetValue ((event.GetInt() != 0));
 221   ProcessCommand (event);
 222 }
 223
 224 bool wxBitmapCheckBox::Create(wxWindow *parent, const wxWindowID id, const wxBitmap *label,
 225            const wxPoint& pos,
 226            const wxSize& size, const long style,
 227            const wxValidator& validator,
 228            const wxString& name)
 229 {
 230   SetName(name);
 231   SetValidator(validator);
 232   if (parent) parent->AddChild(this);
 233
 234   SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
 235   SetForegroundColour(parent->GetDefaultForegroundColour()) ;
 236   m_windowStyle = style;
 237
 238         if ( id == -1 )
 239                 m_windowId = NewControlId();
 240         else
 241                 m_windowId = id;
 242
 243   int x = pos.x;
 244   int y = pos.y;
 245   int width = size.x;
 246   int height = size.y;
 247
 248   checkWidth = -1 ;
 249   checkHeight = -1 ;
 250   long msStyle = CHECK_FLAGS;
 251
 252   HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, "toggle",
 253                     msStyle,
 254                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
 255                     wxGetInstance(), NULL);
 256
 257 #if CTL3D
 258   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
 259   {
 260     Ctl3dSubclassCtl(wx_button);
 261           m_useCtl3D = TRUE;
 262   }
 263 #endif
 264
 265   m_hWnd = (WXHWND)wx_button;
 266
 267   // Subclass again for purposes of dialog editing mode
 268   SubclassWin((WXHWND)wx_button);
 269
 270 //  SetFont(parent->GetFont());
 271
 272   SetSize(x, y, width, height);
 273
 274   ShowWindow(wx_button, SW_SHOW);
 275   return TRUE;
 276 }
 277
 278 void wxBitmapCheckBox::SetLabel(const wxBitmap *bitmap)
 279 {
 280 }
 281
 282 void wxBitmapCheckBox::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
 283 {
 284   int currentX, currentY;
 285   GetPosition(&currentX, &currentY);
 286
 287   int x1 = x;
 288   int y1 = y;
 289   int w1 = width;
 290   int h1 = height;
 291
 292   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 293     x1 = currentX;
 294   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 295     y1 = currentY;
 296
 297   HWND button = (HWND) GetHWND();
 298 /*
 299     if (w1<0)
 300       w1 = checkWidth + FB_MARGIN ;
 301     if (h1<0)
 302       h1 = checkHeight + FB_MARGIN ;
 303 */
 304   MoveWindow(button, x1, y1, w1, h1, TRUE);
 305
 306 #if WXWIN_COMPATIBILITY
 307   GetEventHandler()->OldOnSize(width, height);
 308 #else
 309   wxSizeEvent event(wxSize(width, height), m_windowId);
 310   event.eventObject = this;
 311   GetEventHandler()->ProcessEvent(event);
 312 #endif
 313 }
 314
 315 void wxBitmapCheckBox::SetValue(const bool val)
 316 {
 317   SendMessage((HWND) GetHWND(), BM_SETCHECK, val, 0);
 318 }
 319
 320 bool wxBitmapCheckBox::GetValue(void) const
 321 {
 322   return ((0x003 & SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0)) == 0x003);
 323 }
 324
 325