src/os2/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bmpbuttn.cpp
   3 // Purpose:     wxBitmapButton
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_BMPBUTTON
  16
  17 #ifndef WX_PRECOMP
  18 #include "wx/bmpbuttn.h"
  19 #endif
  20
  21 #include "wx/os2/private.h"
  22
  23
  24 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  25
  26 #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
  27
  28 wxBitmapButtonBase::wxBitmapButtonBase()
  29                                       : m_bmpNormal(),
  30                                         m_bmpSelected(),
  31                                         m_bmpFocus(),
  32                                         m_bmpDisabled(),
  33                                         m_marginX(0),
  34                                         m_marginY(0)
  35 {
  36 }
  37
  38 bool wxBitmapButton::Create(
  39   wxWindow*                         pParent
  40 , wxWindowID                        vId
  41 , const wxBitmap&                   rBitmap
  42 , const wxPoint&                    rPos
  43 , const wxSize&                     rSize
  44 , long                              lStyle
  45 , const wxValidator&                rValidator
  46 , const wxString&                   rsName
  47 )
  48 {
  49     m_bmpNormal = rBitmap;
  50     SetName(rsName);
  51 #if wxUSE_VALIDATORS
  52     SetValidator(rValidator);
  53 #endif
  54
  55     pParent->AddChild(this);
  56
  57     m_backgroundColour = pParent->GetBackgroundColour() ;
  58     m_foregroundColour = pParent->GetForegroundColour() ;
  59     m_windowStyle = lStyle;
  60
  61     if (lStyle & wxBU_AUTODRAW)
  62     {
  63         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  64         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  65     }
  66
  67     int                             nX      = rPos.x;
  68     int                             nY      = rPos.y;
  69     int                             nWidth  = rSize.x;
  70     int                             nHeight = rSize.y;
  71
  72     if (vId == -1)
  73         m_windowId = NewControlId();
  74     else
  75         m_windowId = vId;
  76
  77     if (nWidth == -1 && rBitmap.Ok())
  78         nWidth = rBitmap.GetWidth() + 4 * m_marginX;
  79
  80     if (nHeight == -1 && rBitmap.Ok())
  81         nHeight = rBitmap.GetHeight() + 4 * m_marginY;
  82
  83     ULONG                           ulOS2Style = WS_VISIBLE | WS_TABSTOP | BS_USERBUTTON;
  84
  85     if (m_windowStyle & wxCLIP_SIBLINGS)
  86         ulOS2Style |= WS_CLIPSIBLINGS;
  87
  88     m_hWnd = (WXHWND)::WinCreateWindow( GetHwndOf(pParent)
  89                                        ,WC_BUTTON
  90                                        ,wxT("")
  91                                        ,ulOS2Style
  92                                        ,0, 0, 0, 0
  93                                        ,GetHwndOf(pParent)
  94                                        ,HWND_TOP
  95                                        ,m_windowId
  96                                        ,NULL
  97                                        ,NULL
  98                                       );
  99
 100     //
 101     //Subclass again for purposes of dialog editing mode
 102     //
 103     SubclassWin(m_hWnd);
 104     SetFont(*wxSMALL_FONT);
 105     SetSize( nX
 106             ,nY
 107             ,nWidth
 108             ,nHeight
 109            );
 110     return TRUE;
 111 } // end of wxBitmapButton::Create
 112
 113 bool wxBitmapButton::OS2OnDraw(
 114   WXDRAWITEMSTRUCT*                 pItem
 115 )
 116 {
 117     PUSERBUTTON                     pUser     = (PUSERBUTTON)pItem;
 118     bool                            bAutoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 119
 120     if (!pUser)
 121         return FALSE;
 122
 123     wxBitmap*                       pBitmap;
 124     RECTL                           vRect;
 125     bool                            bIsSelected = pUser->fsState & BDS_HILITED;
 126     wxClientDC                      vDc(this);
 127
 128     if (bIsSelected && m_bmpSelected.Ok())
 129         pBitmap = &m_bmpSelected;
 130     else if ((pUser->fsState & BDS_DEFAULT) && m_bmpFocus.Ok())
 131         pBitmap = &m_bmpFocus;
 132     else if ((pUser->fsState & BDS_DISABLED) && m_bmpDisabled.Ok())
 133         pBitmap = &m_bmpDisabled;
 134     else
 135         pBitmap = &m_bmpNormal;
 136
 137     if (!pBitmap->Ok() )
 138         return FALSE;
 139
 140
 141     //
 142     // Centre the bitmap in the control area
 143     //
 144     int                             nX         = 0;
 145     int                             nY         = 0;
 146     int                             nX1        = 0;
 147     int                             nY1        = 0;
 148     int                             nWidth     = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
 149     int                             nHeight    = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
 150     int                             nBmpWidth  = pBitmap->GetWidth();
 151     int                             nBmpHeight = pBitmap->GetHeight();
 152
 153     nX1 = nX + (nWidth - nBmpWidth) / 2;
 154     nY1 = nX + (nHeight - nBmpHeight) / 2;
 155
 156     if (bIsSelected && bAutoDraw)
 157     {
 158         nX1++;
 159         nY1++;
 160     }
 161
 162     //
 163     // Draw the button face
 164     //
 165     {
 166         DrawFace( vDc
 167                  ,bIsSelected
 168                 );
 169     }
 170
 171     //
 172     // Draw the bitmap
 173     //
 174     vDc.DrawBitmap( *pBitmap
 175                    ,nX1
 176                    ,nY1
 177                    ,TRUE
 178                   );
 179
 180     //
 181     // Draw focus / disabled state, if auto-drawing
 182     //
 183     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
 184     {
 185         DrawButtonDisable( vDc
 186                           ,*pBitmap
 187                          );
 188     }
 189     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
 190     {
 191         DrawButtonFocus(vDc);
 192     }
 193     return TRUE;
 194 } // end of wxBitmapButton::OS2OnDraw
 195
 196 void wxBitmapButton::DrawFace (
 197   wxClientDC&                       rDC
 198 , bool                              bSel
 199 )
 200 {
 201     //
 202     // Set up drawing colors
 203     //
 204     wxPen                           vHiLitePen(wxColour(255, 255, 255), 2, wxSOLID); // White
 205     wxPen                           vDarkShadowPen(wxColour(85, 85, 85), 2, wxSOLID);
 206     wxColour                        vFaceColor(wxColour(204, 204, 204)); // Light Grey
 207
 208     //
 209     // Draw the main button face
 210     //
 211     ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 212
 213     //
 214     // Draw the border
 215     //
 216     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 217     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 218                  ,rDC.m_vRclPaint.yTop - 1
 219                  ,rDC.m_vRclPaint.xRight - 1
 220                  ,rDC.m_vRclPaint.yTop - 1
 221                 );
 222     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 223                  ,rDC.m_vRclPaint.yTop - 1
 224                  ,rDC.m_vRclPaint.xLeft + 1
 225                  ,rDC.m_vRclPaint.yBottom + 1
 226                 );
 227
 228     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
 229     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 230                  ,rDC.m_vRclPaint.yBottom + 1
 231                  ,rDC.m_vRclPaint.xRight - 1
 232                  ,rDC.m_vRclPaint.yBottom + 1
 233                 );
 234     rDC.DrawLine( rDC.m_vRclPaint.xRight - 1
 235                  ,rDC.m_vRclPaint.yTop - 1
 236                  ,rDC.m_vRclPaint.xRight - 1
 237                  ,rDC.m_vRclPaint.yBottom + 1
 238                 );
 239
 240 } // end of wxBitmapButton::DrawFace
 241
 242 void wxBitmapButton::DrawButtonFocus (
 243   wxClientDC&                       rDC
 244 )
 245 {
 246     wxPen                           vBlackPen(wxColour(0, 0, 0), 2, wxSOLID);
 247
 248     //
 249     // Draw a thick black line around the outside of the button
 250     //
 251     rDC.SetPen(vBlackPen);
 252     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 253                  ,rDC.m_vRclPaint.yTop
 254                  ,rDC.m_vRclPaint.xRight
 255                  ,rDC.m_vRclPaint.yTop
 256                 );
 257     rDC.DrawLine( rDC.m_vRclPaint.xRight
 258                  ,rDC.m_vRclPaint.yTop
 259                  ,rDC.m_vRclPaint.xRight
 260                  ,rDC.m_vRclPaint.yBottom
 261                 );
 262     rDC.DrawLine( rDC.m_vRclPaint.xRight
 263                  ,rDC.m_vRclPaint.yBottom
 264                  ,rDC.m_vRclPaint.xLeft
 265                  ,rDC.m_vRclPaint.yBottom
 266                 );
 267     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 268                  ,rDC.m_vRclPaint.yBottom
 269                  ,rDC.m_vRclPaint.xLeft
 270                  ,rDC.m_vRclPaint.yTop
 271                 );
 272 } // end of wxBitmapButton::DrawButtonFocus
 273
 274 void wxBitmapButton::DrawButtonDisable(
 275   wxClientDC&                       rDC
 276 , wxBitmap&                         rBmp
 277 )
 278 {
 279     wxPen                           vGreyPen(wxColour(128, 128, 128), 2, wxSOLID);
 280
 281     //
 282     // Draw a thick black line around the outside of the button
 283     //
 284     rDC.SetPen(vGreyPen);
 285     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 286                  ,rDC.m_vRclPaint.yTop
 287                  ,rDC.m_vRclPaint.xRight
 288                  ,rDC.m_vRclPaint.yTop
 289                 );
 290     rDC.DrawLine( rDC.m_vRclPaint.xRight
 291                  ,rDC.m_vRclPaint.yTop
 292                  ,rDC.m_vRclPaint.xRight
 293                  ,rDC.m_vRclPaint.yBottom
 294                 );
 295     rDC.DrawLine( rDC.m_vRclPaint.xRight
 296                  ,rDC.m_vRclPaint.yBottom
 297                  ,rDC.m_vRclPaint.xLeft
 298                  ,rDC.m_vRclPaint.yBottom
 299                 );
 300     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 301                  ,rDC.m_vRclPaint.yBottom
 302                  ,rDC.m_vRclPaint.xLeft
 303                  ,rDC.m_vRclPaint.yTop
 304                 );
 305     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 306 } // end of wxBitmapButton::DrawButtonDisable
 307
 308 void wxBitmapButton::SetDefault()
 309 {
 310     wxButton::SetDefault();
 311 }
 312
 313 #endif // ndef for wxUSE_BMPBUTTON
 314