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 bool wxBitmapButton::Create(
  29   wxWindow*                         pParent
  30 , wxWindowID                        vId
  31 , const wxBitmap&                   rBitmap
  32 , const wxPoint&                    rPos
  33 , const wxSize&                     rSize
  34 , long                              lStyle
  35 #if wxUSE_VALIDATORS
  36 , const wxValidator&                rValidator
  37 #endif
  38 , const wxString&                   rsName
  39 )
  40 {
  41     m_bmpNormal = rBitmap;
  42     SetName(rsName);
  43 #if wxUSE_VALIDATORS
  44     SetValidator(rValidator);
  45 #endif
  46
  47     pParent->AddChild(this);
  48
  49     m_backgroundColour = pParent->GetBackgroundColour() ;
  50     m_foregroundColour = pParent->GetForegroundColour() ;
  51     m_windowStyle = lStyle;
  52
  53     if (lStyle & wxBU_AUTODRAW)
  54     {
  55         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  56         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  57     }
  58
  59     int                             nX      = rPos.x;
  60     int                             nY      = rPos.y;
  61     int                             nWidth  = rSize.x;
  62     int                             nHeight = rSize.y;
  63
  64     if (vId == -1)
  65         m_windowId = NewControlId();
  66     else
  67         m_windowId = vId;
  68
  69     if (nWidth == -1 && rBitmap.Ok())
  70         nWidth = rBitmap.GetWidth() + 2 * m_marginX;
  71
  72     if (nHeight == -1 && rBitmap.Ok())
  73         nHeight = rBitmap.GetHeight() + 2 * m_marginY;
  74
  75     ULONG                           ulOS2Style = WS_VISIBLE | WS_TABSTOP | BS_USERBUTTON;
  76
  77     if (m_windowStyle & wxCLIP_SIBLINGS)
  78         ulOS2Style |= WS_CLIPSIBLINGS;
  79
  80     m_hWnd = (WXHWND)::WinCreateWindow( GetHwndOf(pParent)
  81                                        ,WC_BUTTON
  82                                        ,wxT("")
  83                                        ,ulOS2Style
  84                                        ,0, 0, 0, 0
  85                                        ,GetHwndOf(pParent)
  86                                        ,HWND_TOP
  87                                        ,m_windowId
  88                                        ,NULL
  89                                        ,NULL
  90                                       );
  91
  92     //
  93     //Subclass again for purposes of dialog editing mode
  94     //
  95     SubclassWin(m_hWnd);
  96     SetFont(*wxSMALL_FONT);
  97     SetSize( nX
  98             ,nY
  99             ,nWidth
 100             ,nHeight
 101            );
 102     return TRUE;
 103 } // end of wxBitmapButton::Create
 104
 105 bool wxBitmapButton::OS2OnDraw(
 106   WXDRAWITEMSTRUCT*                 pItem
 107 )
 108 {
 109     PUSERBUTTON                     pUser     = (PUSERBUTTON)pItem;
 110     bool                            bAutoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 111
 112     if (!pUser)
 113         return FALSE;
 114
 115     wxBitmap*                       pBitmap;
 116     RECTL                           vRect;
 117     bool                            bIsSelected = pUser->fsState & BDS_HILITED;
 118     wxClientDC                      vDc(this);
 119
 120     if (bIsSelected && m_bmpSelected.Ok())
 121         pBitmap = &m_bmpSelected;
 122     else if ((pUser->fsState & BDS_DEFAULT) && m_bmpFocus.Ok())
 123         pBitmap = &m_bmpFocus;
 124     else if ((pUser->fsState & BDS_DISABLED) && m_bmpDisabled.Ok())
 125         pBitmap = &m_bmpDisabled;
 126     else
 127         pBitmap = &m_bmpNormal;
 128
 129     if (!pBitmap->Ok() )
 130         return FALSE;
 131
 132
 133     //
 134     // Centre the bitmap in the control area
 135     //
 136     int                             nX         = 0;
 137     int                             nY         = 0;
 138     int                             nX1        = 0;
 139     int                             nY1        = 0;
 140     int                             nWidth     = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
 141     int                             nHeight    = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
 142     int                             nBmpWidth  = pBitmap->GetWidth();
 143     int                             nBmpHeight = pBitmap->GetHeight();
 144
 145     nX1 = nX + (nWidth - nBmpWidth) / 2;
 146     nY1 = nX + (nHeight - nBmpHeight) / 2;
 147
 148     if (bIsSelected && bAutoDraw)
 149     {
 150         nX1++;
 151         nY1++;
 152     }
 153
 154     //
 155     // Draw the button face
 156     //
 157     {
 158         DrawFace( vDc
 159                  ,bIsSelected
 160                 );
 161     }
 162
 163     //
 164     // Draw the bitmap
 165     //
 166     vDc.DrawBitmap( *pBitmap
 167                    ,nX1
 168                    ,nY1
 169                    ,TRUE
 170                   );
 171
 172     //
 173     // Draw focus / disabled state, if auto-drawing
 174     //
 175     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
 176     {
 177         DrawButtonDisable( vDc
 178                           ,*pBitmap
 179                          );
 180     }
 181     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
 182     {
 183         DrawButtonFocus(vDc);
 184     }
 185     return TRUE;
 186 } // end of wxBitmapButton::OS2OnDraw
 187
 188 void wxBitmapButton::DrawFace (
 189   wxClientDC&                       rDC
 190 , bool                              bSel
 191 )
 192 {
 193     //
 194     // Set up drawing colors
 195     //
 196     wxPen                           vHiLitePen(wxColour(255, 255, 255), 1, wxSOLID); // White
 197     wxPen                           vLitePen(wxColour(223, 223, 223), 1, wxSOLID); // Very Light Grey
 198     wxPen                           vShadowPen(wxColour(191, 191, 191), 1, wxSOLID); // Medium Grey
 199     wxPen                           vDarkShadowPen(wxColour(128, 128, 128), 1, wxSOLID);
 200     wxColour                        vFaceColor(wxColour(204, 204, 204)); // Light Grey
 201
 202     //
 203     // Draw the main button face
 204     //
 205     ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 206
 207     //
 208     // Draw the border
 209     //
 210     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 211     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 212                  ,rDC.m_vRclPaint.yTop
 213                  ,rDC.m_vRclPaint.xRight - 1
 214                  ,rDC.m_vRclPaint.yTop
 215                 );
 216     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 217                  ,rDC.m_vRclPaint.yTop + 1
 218                  ,rDC.m_vRclPaint.xLeft
 219                  ,rDC.m_vRclPaint.yBottom - 1
 220                 );
 221
 222     rDC.SetPen(bSel ? vShadowPen : vLitePen);
 223     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 224                  ,rDC.m_vRclPaint.yTop + 1
 225                  ,rDC.m_vRclPaint.xRight - 2
 226                  ,rDC.m_vRclPaint.yTop + 1
 227                 );
 228     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 229                  ,rDC.m_vRclPaint.yTop + 2
 230                  ,rDC.m_vRclPaint.xLeft + 1
 231                  ,rDC.m_vRclPaint.yBottom - 2
 232                 );
 233
 234     rDC.SetPen(bSel ? vLitePen : vShadowPen);
 235     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 236                  ,rDC.m_vRclPaint.yBottom - 2
 237                  ,rDC.m_vRclPaint.xRight - 1
 238                  ,rDC.m_vRclPaint.yBottom - 2
 239                 );
 240     rDC.DrawLine( rDC.m_vRclPaint.xRight - 2
 241                  ,rDC.m_vRclPaint.yBottom - 3
 242                  ,rDC.m_vRclPaint.xRight - 2
 243                  ,rDC.m_vRclPaint.yTop
 244                 );
 245
 246     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 247     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 248                  ,rDC.m_vRclPaint.yBottom - 1
 249                  ,rDC.m_vRclPaint.xRight + 2
 250                  ,rDC.m_vRclPaint.yBottom - 1
 251                 );
 252     rDC.DrawLine( rDC.m_vRclPaint.xRight - 1
 253                  ,rDC.m_vRclPaint.yBottom - 2
 254                  ,rDC.m_vRclPaint.xRight - 1
 255                  ,rDC.m_vRclPaint.yTop - 1
 256                 );
 257 } // end of wxBitmapButton::DrawFace
 258
 259 void wxBitmapButton::DrawButtonFocus (
 260   wxClientDC&                       rDC
 261 )
 262 {
 263     wxPen                           vBlackPen(wxColour(0, 0, 0), 2, wxSOLID);
 264
 265     //
 266     // Draw a thick black line around the outside of the button
 267     //
 268     rDC.SetPen(vBlackPen);
 269     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 270                  ,rDC.m_vRclPaint.yTop
 271                  ,rDC.m_vRclPaint.xRight
 272                  ,rDC.m_vRclPaint.yTop
 273                 );
 274     rDC.DrawLine( rDC.m_vRclPaint.xRight
 275                  ,rDC.m_vRclPaint.yTop
 276                  ,rDC.m_vRclPaint.xRight
 277                  ,rDC.m_vRclPaint.yBottom
 278                 );
 279     rDC.DrawLine( rDC.m_vRclPaint.xRight
 280                  ,rDC.m_vRclPaint.yBottom
 281                  ,rDC.m_vRclPaint.xLeft
 282                  ,rDC.m_vRclPaint.yBottom
 283                 );
 284     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 285                  ,rDC.m_vRclPaint.yBottom
 286                  ,rDC.m_vRclPaint.xLeft
 287                  ,rDC.m_vRclPaint.yTop
 288                 );
 289 } // end of wxBitmapButton::DrawButtonFocus
 290
 291 void wxBitmapButton::DrawButtonDisable(
 292   wxClientDC&                       rDC
 293 , wxBitmap&                         rBmp
 294 )
 295 {
 296     wxPen                           vGreyPen(wxColour(128, 128, 128), 2, wxSOLID);
 297
 298     //
 299     // Draw a thick black line around the outside of the button
 300     //
 301     rDC.SetPen(vGreyPen);
 302     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 303                  ,rDC.m_vRclPaint.yTop
 304                  ,rDC.m_vRclPaint.xRight
 305                  ,rDC.m_vRclPaint.yTop
 306                 );
 307     rDC.DrawLine( rDC.m_vRclPaint.xRight
 308                  ,rDC.m_vRclPaint.yTop
 309                  ,rDC.m_vRclPaint.xRight
 310                  ,rDC.m_vRclPaint.yBottom
 311                 );
 312     rDC.DrawLine( rDC.m_vRclPaint.xRight
 313                  ,rDC.m_vRclPaint.yBottom
 314                  ,rDC.m_vRclPaint.xLeft
 315                  ,rDC.m_vRclPaint.yBottom
 316                 );
 317     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 318                  ,rDC.m_vRclPaint.yBottom
 319                  ,rDC.m_vRclPaint.xLeft
 320                  ,rDC.m_vRclPaint.yTop
 321                 );
 322     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 323 } // end of wxBitmapButton::DrawButtonDisable
 324
 325 void wxBitmapButton::SetDefault()
 326 {
 327     wxButton::SetDefault();
 328 }
 329
 330 #endif // ndef for wxUSE_BMPBUTTON
 331