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