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C/C++ Source or Header  |  2002-12-27  |  9KB  |  305 lines
  1. /////////////////////////////////////////////////////////////////////////////
  2. // Name:        bmpbuttn.cpp
  3. // Purpose:     wxBitmapButton
  4. // Author:      David Webster
  5. // Modified by:
  6. // Created:     10/13/99
  7. // RCS-ID:      $Id: BMPBUTTN.CPP,v 1.8.2.1 2002/12/27 14:49:33 JS Exp $
  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.     RECTL                           vRect;
  115.     bool                            bIsSelected = pUser->fsState & BDS_HILITED;
  116.     wxClientDC                      vDc(this);
  117.  
  118.     if (bIsSelected && m_bmpSelected.Ok())
  119.         pBitmap = &m_bmpSelected;
  120.     else if ((pUser->fsState & BDS_DEFAULT) && m_bmpFocus.Ok())
  121.         pBitmap = &m_bmpFocus;
  122.     else if ((pUser->fsState & BDS_DISABLED) && m_bmpDisabled.Ok())
  123.         pBitmap = &m_bmpDisabled;
  124.     else
  125.         pBitmap = &m_bmpNormal;
  126.  
  127.     if (!pBitmap->Ok() )
  128.         return FALSE;
  129.  
  130.  
  131.     //
  132.     // Centre the bitmap in the control area
  133.     //
  134.     int                             nX         = 0;
  135.     int                             nY         = 0;
  136.     int                             nX1        = 0;
  137.     int                             nY1        = 0;
  138.     int                             nWidth     = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
  139.     int                             nHeight    = vDc.m_vRclPaint.xRight - vDc.m_vRclPaint.xLeft;
  140.     int                             nBmpWidth  = pBitmap->GetWidth();
  141.     int                             nBmpHeight = pBitmap->GetHeight();
  142.  
  143.     nX1 = nX + (nWidth - nBmpWidth) / 2;
  144.     nY1 = nX + (nHeight - nBmpHeight) / 2;
  145.  
  146.     if (bIsSelected && bAutoDraw)
  147.     {
  148.         nX1++;
  149.         nY1++;
  150.     }
  151.  
  152.     //
  153.     // Draw the button face
  154.     //
  155.     {
  156.         DrawFace( vDc
  157.                  ,bIsSelected
  158.                 );
  159.     }
  160.  
  161.     //
  162.     // Draw the bitmap
  163.     //
  164.     vDc.DrawBitmap( *pBitmap
  165.                    ,nX1
  166.                    ,nY1
  167.                    ,TRUE
  168.                   );
  169.  
  170.     //
  171.     // Draw focus / disabled state, if auto-drawing
  172.     //
  173.     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
  174.     {
  175.         DrawButtonDisable( vDc
  176.                           ,*pBitmap
  177.                          );
  178.     }
  179.     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
  180.     {
  181.         DrawButtonFocus(vDc);
  182.     }
  183.     return TRUE;
  184. } // end of wxBitmapButton::OS2OnDraw
  185.  
  186. void wxBitmapButton::DrawFace (
  187.   wxClientDC&                       rDC
  188. , bool                              bSel
  189. )
  190. {
  191.     //
  192.     // Set up drawing colors
  193.     //
  194.     wxPen                           vHiLitePen(wxColour(255, 255, 255), 2, wxSOLID); // White
  195.     wxPen                           vDarkShadowPen(wxColour(85, 85, 85), 2, wxSOLID);
  196.     wxColour                        vFaceColor(wxColour(204, 204, 204)); // Light Grey
  197.  
  198.     //
  199.     // Draw the main button face
  200.     //
  201.     ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
  202.  
  203.     //
  204.     // Draw the border
  205.     //
  206.     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
  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.     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
  213.                  ,rDC.m_vRclPaint.yTop - 1
  214.                  ,rDC.m_vRclPaint.xLeft + 1
  215.                  ,rDC.m_vRclPaint.yBottom + 1
  216.                 );
  217.  
  218.     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
  219.     rDC.DrawLine( rDC.m_vRclPaint.xLeft + 1
  220.                  ,rDC.m_vRclPaint.yBottom + 1
  221.                  ,rDC.m_vRclPaint.xRight - 1
  222.                  ,rDC.m_vRclPaint.yBottom + 1
  223.                 );
  224.     rDC.DrawLine( rDC.m_vRclPaint.xRight - 1
  225.                  ,rDC.m_vRclPaint.yTop - 1
  226.                  ,rDC.m_vRclPaint.xRight - 1
  227.                  ,rDC.m_vRclPaint.yBottom + 1
  228.                 );
  229.  
  230. } // end of wxBitmapButton::DrawFace
  231.  
  232. void wxBitmapButton::DrawButtonFocus (
  233.   wxClientDC&                       rDC
  234. )
  235. {
  236.     wxPen                           vBlackPen(wxColour(0, 0, 0), 2, wxSOLID);
  237.  
  238.     //
  239.     // Draw a thick black line around the outside of the button
  240.     //
  241.     rDC.SetPen(vBlackPen);
  242.     rDC.DrawLine( rDC.m_vRclPaint.xLeft
  243.                  ,rDC.m_vRclPaint.yTop
  244.                  ,rDC.m_vRclPaint.xRight
  245.                  ,rDC.m_vRclPaint.yTop
  246.                 );
  247.     rDC.DrawLine( rDC.m_vRclPaint.xRight
  248.                  ,rDC.m_vRclPaint.yTop
  249.                  ,rDC.m_vRclPaint.xRight
  250.                  ,rDC.m_vRclPaint.yBottom
  251.                 );
  252.     rDC.DrawLine( rDC.m_vRclPaint.xRight
  253.                  ,rDC.m_vRclPaint.yBottom
  254.                  ,rDC.m_vRclPaint.xLeft
  255.                  ,rDC.m_vRclPaint.yBottom
  256.                 );
  257.     rDC.DrawLine( rDC.m_vRclPaint.xLeft
  258.                  ,rDC.m_vRclPaint.yBottom
  259.                  ,rDC.m_vRclPaint.xLeft
  260.                  ,rDC.m_vRclPaint.yTop
  261.                 );
  262. } // end of wxBitmapButton::DrawButtonFocus
  263.  
  264. void wxBitmapButton::DrawButtonDisable(
  265.   wxClientDC&                       rDC
  266. , wxBitmap&                         rBmp
  267. )
  268. {
  269.     wxPen                           vGreyPen(wxColour(128, 128, 128), 2, wxSOLID);
  270.  
  271.     //
  272.     // Draw a thick black line around the outside of the button
  273.     //
  274.     rDC.SetPen(vGreyPen);
  275.     rDC.DrawLine( rDC.m_vRclPaint.xLeft
  276.                  ,rDC.m_vRclPaint.yTop
  277.                  ,rDC.m_vRclPaint.xRight
  278.                  ,rDC.m_vRclPaint.yTop
  279.                 );
  280.     rDC.DrawLine( rDC.m_vRclPaint.xRight
  281.                  ,rDC.m_vRclPaint.yTop
  282.                  ,rDC.m_vRclPaint.xRight
  283.                  ,rDC.m_vRclPaint.yBottom
  284.                 );
  285.     rDC.DrawLine( rDC.m_vRclPaint.xRight
  286.                  ,rDC.m_vRclPaint.yBottom
  287.                  ,rDC.m_vRclPaint.xLeft
  288.                  ,rDC.m_vRclPaint.yBottom
  289.                 );
  290.     rDC.DrawLine( rDC.m_vRclPaint.xLeft
  291.                  ,rDC.m_vRclPaint.yBottom
  292.                  ,rDC.m_vRclPaint.xLeft
  293.                  ,rDC.m_vRclPaint.yTop
  294.                 );
  295.     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
  296. } // end of wxBitmapButton::DrawButtonDisable
  297.  
  298. void wxBitmapButton::SetDefault()
  299. {
  300.     wxButton::SetDefault();
  301. }
  302.  
  303. #endif // ndef for wxUSE_BMPBUTTON
  304.  
  305.