src/os2/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/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 #include "wx/bmpbuttn.h"
  18
  19 #ifndef WX_PRECOMP
  20 #endif
  21
  22 #include "wx/os2/private.h"
  23
  24
  25 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  26
  27 #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
  28
  29 bool wxBitmapButton::Create( wxWindow*          pParent,
  30                              wxWindowID         vId,
  31                              const wxBitmap&    rBitmap,
  32                              const wxPoint&     rPos,
  33                              const wxSize&      rSize,
  34                              long               lStyle,
  35                              const wxValidator& rValidator,
  36                              const wxString&    rsName )
  37 {
  38     m_bmpNormal = rBitmap;
  39     SetName(rsName);
  40 #if wxUSE_VALIDATORS
  41     SetValidator(rValidator);
  42 #endif
  43
  44     pParent->AddChild(this);
  45
  46     m_backgroundColour = pParent->GetBackgroundColour() ;
  47     m_foregroundColour = pParent->GetForegroundColour() ;
  48     m_windowStyle = lStyle;
  49
  50     if (lStyle & wxBU_AUTODRAW)
  51     {
  52         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  53         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  54     }
  55
  56     int nX      = rPos.x;
  57     int nY      = rPos.y;
  58     int nWidth  = rSize.x;
  59     int nHeight = rSize.y;
  60
  61     if (vId == wxID_ANY)
  62         m_windowId = NewControlId();
  63     else
  64         m_windowId = vId;
  65
  66     if (nWidth == wxDefaultCoord && rBitmap.Ok())
  67         nWidth = rBitmap.GetWidth() + 4 * m_marginX;
  68
  69     if (nHeight == wxDefaultCoord && rBitmap.Ok())
  70         nHeight = rBitmap.GetHeight() + 4 * m_marginY;
  71
  72     ULONG                           ulOS2Style = WS_VISIBLE | WS_TABSTOP | BS_USERBUTTON;
  73
  74     if (m_windowStyle & wxCLIP_SIBLINGS)
  75         ulOS2Style |= WS_CLIPSIBLINGS;
  76
  77     m_hWnd = (WXHWND)::WinCreateWindow( GetHwndOf(pParent)
  78                                        ,WC_BUTTON
  79                                        ,(PSZ)wxEmptyString
  80                                        ,ulOS2Style
  81                                        ,0, 0, 0, 0
  82                                        ,GetHwndOf(pParent)
  83                                        ,HWND_TOP
  84                                        ,m_windowId
  85                                        ,NULL
  86                                        ,NULL
  87                                       );
  88
  89     //
  90     //Subclass again for purposes of dialog editing mode
  91     //
  92     SubclassWin(m_hWnd);
  93     SetFont(*wxSMALL_FONT);
  94     SetSize( nX
  95             ,nY
  96             ,nWidth
  97             ,nHeight
  98            );
  99     return true;
 100 } // end of wxBitmapButton::Create
 101
 102 bool wxBitmapButton::OS2OnDraw( WXDRAWITEMSTRUCT* pItem)
 103 {
 104     PUSERBUTTON  pUser     = (PUSERBUTTON)pItem;
 105     bool         bAutoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 106
 107     if (!pUser)
 108         return false;
 109
 110     wxBitmap*  pBitmap;
 111     bool       bIsSelected = pUser->fsState & BDS_HILITED;
 112     wxClientDC vDc(this);
 113
 114     if (bIsSelected && m_bmpSelected.Ok())
 115         pBitmap = &m_bmpSelected;
 116     else if ((pUser->fsState & BDS_DEFAULT) && m_bmpFocus.Ok())
 117         pBitmap = &m_bmpFocus;
 118     else if ((pUser->fsState & BDS_DISABLED) && m_bmpDisabled.Ok())
 119         pBitmap = &m_bmpDisabled;
 120     else
 121         pBitmap = &m_bmpNormal;
 122
 123     if (!pBitmap->Ok() )
 124         return false;
 125
 126
 127     //
 128     // Centre the bitmap in the control area
 129     //
 130     int                             nX1        = 0;
 131     int                             nY1        = 0;
 132     int                             nWidth     = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
 133     int                             nHeight    = vDc.m_vRclPaint.yTop - vDc.m_vRclPaint.yBottom;
 134     int                             nBmpWidth  = pBitmap->GetWidth();
 135     int                             nBmpHeight = pBitmap->GetHeight();
 136
 137     nX1 = (nWidth - nBmpWidth) / 2;
 138     nY1 = (nHeight - nBmpHeight) / 2;
 139
 140     if (bIsSelected && bAutoDraw)
 141     {
 142         nX1++;
 143         nY1++;
 144     }
 145
 146     //
 147     // Draw the button face
 148     //
 149     DrawFace( vDc, bIsSelected );
 150
 151     //
 152     // Draw the bitmap
 153     //
 154     vDc.DrawBitmap( *pBitmap, nX1, nY1, true );
 155
 156     //
 157     // Draw focus / disabled state, if auto-drawing
 158     //
 159     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
 160     {
 161         DrawButtonDisable( vDc, *pBitmap );
 162     }
 163     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
 164     {
 165         DrawButtonFocus(vDc);
 166     }
 167     return true;
 168 } // end of wxBitmapButton::OS2OnDraw
 169
 170 void wxBitmapButton::DrawFace (wxClientDC& rDC, bool bSel)
 171 {
 172     //
 173     // Set up drawing colors
 174     //
 175     wxPen vHiLitePen(*wxWHITE, 2, wxSOLID); // White
 176     wxColour gray85(85, 85, 85);
 177     wxPen vDarkShadowPen(gray85, 2, wxSOLID);
 178     wxColour vFaceColor(204, 204, 204); // Light Grey
 179
 180     //
 181     // Draw the main button face
 182     //
 183     // This triggers a redraw and destroys the bottom & left focus border and
 184     // doesn't seem to do anything useful.
 185     //    ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 186
 187     //
 188     // Draw the border
 189     // Note: DrawLine expects wxWidgets coordinate system so swap
 190     //
 191     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 192     // top
 193     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 194                  ,rDC.m_vRclPaint.yBottom + 1
 195                  ,rDC.m_vRclPaint.xRight - 1
 196                  ,rDC.m_vRclPaint.yBottom + 1
 197                 );
 198     // left
 199     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 200                  ,rDC.m_vRclPaint.yBottom + 1
 201                  ,rDC.m_vRclPaint.xLeft + 1
 202                  ,rDC.m_vRclPaint.yTop - 1
 203                 );
 204
 205     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
 206     // bottom
 207     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
 208                  ,rDC.m_vRclPaint.yTop - 1
 209                  ,rDC.m_vRclPaint.xRight - 1
 210                  ,rDC.m_vRclPaint.yTop - 1
 211                 );
 212     // right
 213     rDC.DrawLine( rDC.m_vRclPaint.xRight - 1
 214                  ,rDC.m_vRclPaint.yBottom + 1
 215                  ,rDC.m_vRclPaint.xRight - 1
 216                  ,rDC.m_vRclPaint.yTop - 1
 217                 );
 218
 219 } // end of wxBitmapButton::DrawFace
 220
 221 void wxBitmapButton::DrawButtonFocus (
 222   wxClientDC&                       rDC
 223 )
 224 {
 225     wxPen vBlackPen(*wxBLACK, 2, wxSOLID);
 226
 227     //
 228     // Draw a thick black line around the outside of the button
 229     // Note: DrawLine expects wxWidgets coordinate system so swap
 230     //
 231     rDC.SetPen(vBlackPen);
 232     // top
 233     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 234                  ,rDC.m_vRclPaint.yBottom
 235                  ,rDC.m_vRclPaint.xRight
 236                  ,rDC.m_vRclPaint.yBottom
 237                 );
 238     // right
 239     rDC.DrawLine( rDC.m_vRclPaint.xRight
 240                  ,rDC.m_vRclPaint.yBottom
 241                  ,rDC.m_vRclPaint.xRight
 242                  ,rDC.m_vRclPaint.yTop
 243                 );
 244     // bottom
 245     rDC.DrawLine( rDC.m_vRclPaint.xRight
 246                  ,rDC.m_vRclPaint.yTop
 247                  ,rDC.m_vRclPaint.xLeft
 248                  ,rDC.m_vRclPaint.yTop
 249                 );
 250     // left
 251     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 252                  ,rDC.m_vRclPaint.yTop
 253                  ,rDC.m_vRclPaint.xLeft
 254                  ,rDC.m_vRclPaint.yBottom
 255                 );
 256 } // end of wxBitmapButton::DrawButtonFocus
 257
 258 void wxBitmapButton::DrawButtonDisable( wxClientDC& rDC,
 259                                         wxBitmap& rBmp )
 260 {
 261     wxPen vGreyPen(wxT("GREY"), 2, wxSOLID);
 262
 263     //
 264     // Draw a thick black line around the outside of the button
 265     // Note: DrawLine expects wxWidgets coordinate system so swap
 266     //
 267     rDC.SetPen(vGreyPen);
 268     // top
 269     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 270                  ,rDC.m_vRclPaint.yBottom
 271                  ,rDC.m_vRclPaint.xRight
 272                  ,rDC.m_vRclPaint.yBottom
 273                 );
 274     // right
 275     rDC.DrawLine( rDC.m_vRclPaint.xRight
 276                  ,rDC.m_vRclPaint.yBottom
 277                  ,rDC.m_vRclPaint.xRight
 278                  ,rDC.m_vRclPaint.yTop
 279                 );
 280     // bottom
 281     rDC.DrawLine( rDC.m_vRclPaint.xRight
 282                  ,rDC.m_vRclPaint.yTop
 283                  ,rDC.m_vRclPaint.xLeft
 284                  ,rDC.m_vRclPaint.yTop
 285                 );
 286     // left
 287     rDC.DrawLine( rDC.m_vRclPaint.xLeft
 288                  ,rDC.m_vRclPaint.yTop
 289                  ,rDC.m_vRclPaint.xLeft
 290                  ,rDC.m_vRclPaint.yBottom
 291                 );
 292     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 293 } // end of wxBitmapButton::DrawButtonDisable
 294
 295 #endif // ndef for wxUSE_BMPBUTTON