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/dcclient.h"
  23 #include "wx/os2/private.h"
  24
  25
  26 #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
  27
  28 bool wxBitmapButton::Create( wxWindow*          pParent,
  29                              wxWindowID         vId,
  30                              const wxBitmap&    rBitmap,
  31                              const wxPoint&     rPos,
  32                              const wxSize&      rSize,
  33                              long               lStyle,
  34                              const wxValidator& rValidator,
  35                              const wxString&    rsName )
  36 {
  37     m_bitmaps[State_Normal] = rBitmap;
  38     SetName(rsName);
  39 #if wxUSE_VALIDATORS
  40     SetValidator(rValidator);
  41 #endif
  42
  43     pParent->AddChild(this);
  44
  45     m_backgroundColour = pParent->GetBackgroundColour() ;
  46     m_foregroundColour = pParent->GetForegroundColour() ;
  47     m_windowStyle = lStyle;
  48
  49     if (lStyle & wxBU_AUTODRAW)
  50     {
  51         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  52         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  53     }
  54
  55     int nX      = rPos.x;
  56     int nY      = rPos.y;
  57     int nWidth  = rSize.x;
  58     int nHeight = rSize.y;
  59
  60     if (vId == wxID_ANY)
  61         m_windowId = NewControlId();
  62     else
  63         m_windowId = vId;
  64
  65     if (nWidth == wxDefaultCoord && rBitmap.IsOk())
  66         nWidth = rBitmap.GetWidth() + 4 * m_marginX;
  67
  68     if (nHeight == wxDefaultCoord && rBitmap.IsOk())
  69         nHeight = rBitmap.GetHeight() + 4 * m_marginY;
  70
  71     ULONG                           ulOS2Style = WS_VISIBLE | WS_TABSTOP | BS_USERBUTTON;
  72
  73     if (m_windowStyle & wxCLIP_SIBLINGS)
  74         ulOS2Style |= WS_CLIPSIBLINGS;
  75
  76     m_hWnd = (WXHWND)::WinCreateWindow( GetHwndOf(pParent)
  77                                        ,WC_BUTTON
  78                                        ,(PSZ)wxEmptyString
  79                                        ,ulOS2Style
  80                                        ,0, 0, 0, 0
  81                                        ,GetHwndOf(pParent)
  82                                        ,HWND_TOP
  83                                        ,m_windowId
  84                                        ,NULL
  85                                        ,NULL
  86                                       );
  87
  88     //
  89     //Subclass again for purposes of dialog editing mode
  90     //
  91     SubclassWin(m_hWnd);
  92     SetFont(*wxSMALL_FONT);
  93     SetSize( nX
  94             ,nY
  95             ,nWidth
  96             ,nHeight
  97            );
  98     return true;
  99 } // end of wxBitmapButton::Create
 100
 101 bool wxBitmapButton::OS2OnDraw( WXDRAWITEMSTRUCT* pItem)
 102 {
 103     PUSERBUTTON  pUser     = (PUSERBUTTON)pItem;
 104     bool         bAutoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 105
 106     if (!pUser)
 107         return false;
 108
 109     wxBitmap   bitmap;
 110     bool       bIsSelected = pUser->fsState & BDS_HILITED;
 111     wxClientDC vDc(this);
 112
 113     if (bIsSelected)
 114         bitmap = GetBitmapPressed();
 115     else if (pUser->fsState & BDS_DEFAULT)
 116         bitmap = GetBitmapFocus();
 117     else if (pUser->fsState & BDS_DISABLED)
 118         bitmap = GetBitmapDisabled();
 119
 120     if (!bitmap.IsOk() )
 121     {
 122         bitmap = GetBitmapLabel();
 123         if (!bitmap.IsOk() )
 124             return false;
 125     }
 126
 127
 128     //
 129     // Centre the bitmap in the control area
 130     //
 131     int                             nX1        = 0;
 132     int                             nY1        = 0;
 133     wxPMDCImpl                      *impl = (wxPMDCImpl*) vDc.GetImpl();
 134     int                             nWidth     = impl->m_vRclPaint.xRight - impl->m_vRclPaint.xLeft;
 135     int                             nHeight    = impl->m_vRclPaint.yTop - impl->m_vRclPaint.yBottom;
 136     int                             nBmpWidth  = bitmap.GetWidth();
 137     int                             nBmpHeight = bitmap.GetHeight();
 138
 139     nX1 = (nWidth - nBmpWidth) / 2;
 140     nY1 = (nHeight - nBmpHeight) / 2;
 141
 142     if (bIsSelected && bAutoDraw)
 143     {
 144         nX1++;
 145         nY1++;
 146     }
 147
 148     //
 149     // Draw the button face
 150     //
 151     DrawFace( vDc, bIsSelected );
 152
 153     //
 154     // Draw the bitmap
 155     //
 156     vDc.DrawBitmap( bitmap, nX1, nY1, true );
 157
 158     //
 159     // Draw focus / disabled state, if auto-drawing
 160     //
 161     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
 162     {
 163         DrawButtonDisable( vDc, bitmap );
 164     }
 165     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
 166     {
 167         DrawButtonFocus(vDc);
 168     }
 169     return true;
 170 } // end of wxBitmapButton::OS2OnDraw
 171
 172 void wxBitmapButton::DrawFace (wxClientDC& rDC, bool bSel)
 173 {
 174     //
 175     // Set up drawing colors
 176     //
 177     wxPen vHiLitePen(*wxWHITE, 2, wxSOLID); // White
 178     wxColour gray85(85, 85, 85);
 179     wxPen vDarkShadowPen(gray85, 2, wxSOLID);
 180     wxColour vFaceColor(204, 204, 204); // Light Grey
 181
 182     //
 183     // Draw the main button face
 184     //
 185     // This triggers a redraw and destroys the bottom & left focus border and
 186     // doesn't seem to do anything useful.
 187     //    ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 188
 189     //
 190     // Draw the border
 191     // Note: DrawLine expects wxWidgets coordinate system so swap
 192     //
 193     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 194     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 195     // top
 196     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 197                  ,impl->m_vRclPaint.yBottom + 1
 198                  ,impl->m_vRclPaint.xRight - 1
 199                  ,impl->m_vRclPaint.yBottom + 1
 200                 );
 201     // left
 202     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 203                  ,impl->m_vRclPaint.yBottom + 1
 204                  ,impl->m_vRclPaint.xLeft + 1
 205                  ,impl->m_vRclPaint.yTop - 1
 206                 );
 207
 208     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
 209     // bottom
 210     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 211                  ,impl->m_vRclPaint.yTop - 1
 212                  ,impl->m_vRclPaint.xRight - 1
 213                  ,impl->m_vRclPaint.yTop - 1
 214                 );
 215     // right
 216     rDC.DrawLine( impl->m_vRclPaint.xRight - 1
 217                  ,impl->m_vRclPaint.yBottom + 1
 218                  ,impl->m_vRclPaint.xRight - 1
 219                  ,impl->m_vRclPaint.yTop - 1
 220                 );
 221
 222 } // end of wxBitmapButton::DrawFace
 223
 224 void wxBitmapButton::DrawButtonFocus (
 225   wxClientDC&                       rDC
 226 )
 227 {
 228     wxPen vBlackPen(*wxBLACK, 2, wxSOLID);
 229
 230     //
 231     // Draw a thick black line around the outside of the button
 232     // Note: DrawLine expects wxWidgets coordinate system so swap
 233     //
 234     rDC.SetPen(vBlackPen);
 235     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 236     // top
 237     rDC.DrawLine( impl->m_vRclPaint.xLeft
 238                  ,impl->m_vRclPaint.yBottom
 239                  ,impl->m_vRclPaint.xRight
 240                  ,impl->m_vRclPaint.yBottom
 241                 );
 242     // right
 243     rDC.DrawLine( impl->m_vRclPaint.xRight
 244                  ,impl->m_vRclPaint.yBottom
 245                  ,impl->m_vRclPaint.xRight
 246                  ,impl->m_vRclPaint.yTop
 247                 );
 248     // bottom
 249     rDC.DrawLine( impl->m_vRclPaint.xRight
 250                  ,impl->m_vRclPaint.yTop
 251                  ,impl->m_vRclPaint.xLeft
 252                  ,impl->m_vRclPaint.yTop
 253                 );
 254     // left
 255     rDC.DrawLine( impl->m_vRclPaint.xLeft
 256                  ,impl->m_vRclPaint.yTop
 257                  ,impl->m_vRclPaint.xLeft
 258                  ,impl->m_vRclPaint.yBottom
 259                 );
 260 } // end of wxBitmapButton::DrawButtonFocus
 261
 262 void wxBitmapButton::DrawButtonDisable( wxClientDC& rDC,
 263                                         wxBitmap& rBmp )
 264 {
 265     wxPen vGreyPen(wxT("GREY"), 2, wxSOLID);
 266
 267     //
 268     // Draw a thick black line around the outside of the button
 269     // Note: DrawLine expects wxWidgets coordinate system so swap
 270     //
 271     rDC.SetPen(vGreyPen);
 272     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 273     // top
 274     rDC.DrawLine( impl->m_vRclPaint.xLeft
 275                  ,impl->m_vRclPaint.yBottom
 276                  ,impl->m_vRclPaint.xRight
 277                  ,impl->m_vRclPaint.yBottom
 278                 );
 279     // right
 280     rDC.DrawLine( impl->m_vRclPaint.xRight
 281                  ,impl->m_vRclPaint.yBottom
 282                  ,impl->m_vRclPaint.xRight
 283                  ,impl->m_vRclPaint.yTop
 284                 );
 285     // bottom
 286     rDC.DrawLine( impl->m_vRclPaint.xRight
 287                  ,impl->m_vRclPaint.yTop
 288                  ,impl->m_vRclPaint.xLeft
 289                  ,impl->m_vRclPaint.yTop
 290                 );
 291     // left
 292     rDC.DrawLine( impl->m_vRclPaint.xLeft
 293                  ,impl->m_vRclPaint.yTop
 294                  ,impl->m_vRclPaint.xLeft
 295                  ,impl->m_vRclPaint.yBottom
 296                 );
 297     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 298 } // end of wxBitmapButton::DrawButtonDisable
 299
 300 #endif // ndef for wxUSE_BMPBUTTON