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() + 4 * m_marginX;
  71
  72     if (nHeight == -1 && rBitmap.Ok())
  73         nHeight = rBitmap.GetHeight() + 4 * 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), 2, wxSOLID); // White
 197     wxPen                           vDarkShadowPen(wxColour(85, 85, 85), 2, wxSOLID);
 198     wxColour                        vFaceColor(wxColour(204, 204, 204)); // Light Grey
 199
 200     //
 201     // Draw the main button face
 202     //
 203     ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 204
 205     //
 206     // Draw the border
 207     //
 208     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 209     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 210                  ,rDC.m_vRclPaint.yTop - 1
 211                  ,rDC.m_vRclPaint.xRight - 1
 212                  ,rDC.m_vRclPaint.yTop - 1
 213                 );
 214     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 215                  ,rDC.m_vRclPaint.yTop - 1
 216                  ,rDC.m_vRclPaint.xLeft + 1
 217                  ,rDC.m_vRclPaint.yBottom + 1
 218                 );
 219
 220     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
 221     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 222                  ,rDC.m_vRclPaint.yBottom + 1
 223                  ,rDC.m_vRclPaint.xRight - 1
 224                  ,rDC.m_vRclPaint.yBottom + 1
 225                 );
 226     rDC.DrawLine( rDC.m_vRclPaint.xRight - 1
 227                  ,rDC.m_vRclPaint.yTop - 1
 228                  ,rDC.m_vRclPaint.xRight - 1
 229                  ,rDC.m_vRclPaint.yBottom + 1
 230                 );
 231
 232 } // end of wxBitmapButton::DrawFace
 233
 234 void wxBitmapButton::DrawButtonFocus (
 235   wxClientDC&                       rDC
 236 )
 237 {
 238     wxPen                           vBlackPen(wxColour(0, 0, 0), 2, wxSOLID);
 239
 240     //
 241     // Draw a thick black line around the outside of the button
 242     //
 243     rDC.SetPen(vBlackPen);
 244     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 245                  ,rDC.m_vRclPaint.yTop
 246                  ,rDC.m_vRclPaint.xRight
 247                  ,rDC.m_vRclPaint.yTop
 248                 );
 249     rDC.DrawLine( rDC.m_vRclPaint.xRight
 250                  ,rDC.m_vRclPaint.yTop
 251                  ,rDC.m_vRclPaint.xRight
 252                  ,rDC.m_vRclPaint.yBottom
 253                 );
 254     rDC.DrawLine( rDC.m_vRclPaint.xRight
 255                  ,rDC.m_vRclPaint.yBottom
 256                  ,rDC.m_vRclPaint.xLeft
 257                  ,rDC.m_vRclPaint.yBottom
 258                 );
 259     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 260                  ,rDC.m_vRclPaint.yBottom
 261                  ,rDC.m_vRclPaint.xLeft
 262                  ,rDC.m_vRclPaint.yTop
 263                 );
 264 } // end of wxBitmapButton::DrawButtonFocus
 265
 266 void wxBitmapButton::DrawButtonDisable(
 267   wxClientDC&                       rDC
 268 , wxBitmap&                         rBmp
 269 )
 270 {
 271     wxPen                           vGreyPen(wxColour(128, 128, 128), 2, wxSOLID);
 272
 273     //
 274     // Draw a thick black line around the outside of the button
 275     //
 276     rDC.SetPen(vGreyPen);
 277     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 278                  ,rDC.m_vRclPaint.yTop
 279                  ,rDC.m_vRclPaint.xRight
 280                  ,rDC.m_vRclPaint.yTop
 281                 );
 282     rDC.DrawLine( rDC.m_vRclPaint.xRight
 283                  ,rDC.m_vRclPaint.yTop
 284                  ,rDC.m_vRclPaint.xRight
 285                  ,rDC.m_vRclPaint.yBottom
 286                 );
 287     rDC.DrawLine( rDC.m_vRclPaint.xRight
 288                  ,rDC.m_vRclPaint.yBottom
 289                  ,rDC.m_vRclPaint.xLeft
 290                  ,rDC.m_vRclPaint.yBottom
 291                 );
 292     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 293                  ,rDC.m_vRclPaint.yBottom
 294                  ,rDC.m_vRclPaint.xLeft
 295                  ,rDC.m_vRclPaint.yTop
 296                 );
 297     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 298 } // end of wxBitmapButton::DrawButtonDisable
 299
 300 void wxBitmapButton::SetDefault()
 301 {
 302     wxButton::SetDefault();
 303 }
 304
 305 #endif // ndef for wxUSE_BMPBUTTON
 306