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 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  27
  28 #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
  29
  30 bool wxBitmapButton::Create( wxWindow*          pParent,
  31                              wxWindowID         vId,
  32                              const wxBitmap&    rBitmap,
  33                              const wxPoint&     rPos,
  34                              const wxSize&      rSize,
  35                              long               lStyle,
  36                              const wxValidator& rValidator,
  37                              const wxString&    rsName )
  38 {
  39     m_bitmaps[State_Normal] = 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 == wxID_ANY)
  63         m_windowId = NewControlId();
  64     else
  65         m_windowId = vId;
  66
  67     if (nWidth == wxDefaultCoord && rBitmap.IsOk())
  68         nWidth = rBitmap.GetWidth() + 4 * m_marginX;
  69
  70     if (nHeight == wxDefaultCoord && rBitmap.IsOk())
  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                                        ,(PSZ)wxEmptyString
  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( WXDRAWITEMSTRUCT* pItem)
 104 {
 105     PUSERBUTTON  pUser     = (PUSERBUTTON)pItem;
 106     bool         bAutoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 107
 108     if (!pUser)
 109         return false;
 110
 111     wxBitmap   bitmap;
 112     bool       bIsSelected = pUser->fsState & BDS_HILITED;
 113     wxClientDC vDc(this);
 114
 115     if (bIsSelected)
 116         bitmap = GetBitmapPressed();
 117     else if (pUser->fsState & BDS_DEFAULT)
 118         bitmap = GetBitmapFocus();
 119     else if (pUser->fsState & BDS_DISABLED)
 120         bitmap = GetBitmapDisabled();
 121
 122     if (!bitmap.IsOk() )
 123     {
 124         bitmap = GetBitmapLabel();
 125         if (!bitmap.IsOk() )
 126             return false;
 127     }
 128
 129
 130     //
 131     // Centre the bitmap in the control area
 132     //
 133     int                             nX1        = 0;
 134     int                             nY1        = 0;
 135     wxPMDCImpl                      *impl = (wxPMDCImpl*) vDc.GetImpl();
 136     int                             nWidth     = impl->m_vRclPaint.xRight - impl->m_vRclPaint.xLeft;
 137     int                             nHeight    = impl->m_vRclPaint.yTop - impl->m_vRclPaint.yBottom;
 138     int                             nBmpWidth  = bitmap.GetWidth();
 139     int                             nBmpHeight = bitmap.GetHeight();
 140
 141     nX1 = (nWidth - nBmpWidth) / 2;
 142     nY1 = (nHeight - nBmpHeight) / 2;
 143
 144     if (bIsSelected && bAutoDraw)
 145     {
 146         nX1++;
 147         nY1++;
 148     }
 149
 150     //
 151     // Draw the button face
 152     //
 153     DrawFace( vDc, bIsSelected );
 154
 155     //
 156     // Draw the bitmap
 157     //
 158     vDc.DrawBitmap( bitmap, nX1, nY1, true );
 159
 160     //
 161     // Draw focus / disabled state, if auto-drawing
 162     //
 163     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
 164     {
 165         DrawButtonDisable( vDc, bitmap );
 166     }
 167     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
 168     {
 169         DrawButtonFocus(vDc);
 170     }
 171     return true;
 172 } // end of wxBitmapButton::OS2OnDraw
 173
 174 void wxBitmapButton::DrawFace (wxClientDC& rDC, bool bSel)
 175 {
 176     //
 177     // Set up drawing colors
 178     //
 179     wxPen vHiLitePen(*wxWHITE, 2, wxSOLID); // White
 180     wxColour gray85(85, 85, 85);
 181     wxPen vDarkShadowPen(gray85, 2, wxSOLID);
 182     wxColour vFaceColor(204, 204, 204); // Light Grey
 183
 184     //
 185     // Draw the main button face
 186     //
 187     // This triggers a redraw and destroys the bottom & left focus border and
 188     // doesn't seem to do anything useful.
 189     //    ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 190
 191     //
 192     // Draw the border
 193     // Note: DrawLine expects wxWidgets coordinate system so swap
 194     //
 195     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 196     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 197     // top
 198     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 199                  ,impl->m_vRclPaint.yBottom + 1
 200                  ,impl->m_vRclPaint.xRight - 1
 201                  ,impl->m_vRclPaint.yBottom + 1
 202                 );
 203     // left
 204     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 205                  ,impl->m_vRclPaint.yBottom + 1
 206                  ,impl->m_vRclPaint.xLeft + 1
 207                  ,impl->m_vRclPaint.yTop - 1
 208                 );
 209
 210     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
 211     // bottom
 212     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 213                  ,impl->m_vRclPaint.yTop - 1
 214                  ,impl->m_vRclPaint.xRight - 1
 215                  ,impl->m_vRclPaint.yTop - 1
 216                 );
 217     // right
 218     rDC.DrawLine( impl->m_vRclPaint.xRight - 1
 219                  ,impl->m_vRclPaint.yBottom + 1
 220                  ,impl->m_vRclPaint.xRight - 1
 221                  ,impl->m_vRclPaint.yTop - 1
 222                 );
 223
 224 } // end of wxBitmapButton::DrawFace
 225
 226 void wxBitmapButton::DrawButtonFocus (
 227   wxClientDC&                       rDC
 228 )
 229 {
 230     wxPen vBlackPen(*wxBLACK, 2, wxSOLID);
 231
 232     //
 233     // Draw a thick black line around the outside of the button
 234     // Note: DrawLine expects wxWidgets coordinate system so swap
 235     //
 236     rDC.SetPen(vBlackPen);
 237     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 238     // top
 239     rDC.DrawLine( impl->m_vRclPaint.xLeft
 240                  ,impl->m_vRclPaint.yBottom
 241                  ,impl->m_vRclPaint.xRight
 242                  ,impl->m_vRclPaint.yBottom
 243                 );
 244     // right
 245     rDC.DrawLine( impl->m_vRclPaint.xRight
 246                  ,impl->m_vRclPaint.yBottom
 247                  ,impl->m_vRclPaint.xRight
 248                  ,impl->m_vRclPaint.yTop
 249                 );
 250     // bottom
 251     rDC.DrawLine( impl->m_vRclPaint.xRight
 252                  ,impl->m_vRclPaint.yTop
 253                  ,impl->m_vRclPaint.xLeft
 254                  ,impl->m_vRclPaint.yTop
 255                 );
 256     // left
 257     rDC.DrawLine( impl->m_vRclPaint.xLeft
 258                  ,impl->m_vRclPaint.yTop
 259                  ,impl->m_vRclPaint.xLeft
 260                  ,impl->m_vRclPaint.yBottom
 261                 );
 262 } // end of wxBitmapButton::DrawButtonFocus
 263
 264 void wxBitmapButton::DrawButtonDisable( wxClientDC& rDC,
 265                                         wxBitmap& rBmp )
 266 {
 267     wxPen vGreyPen(wxT("GREY"), 2, wxSOLID);
 268
 269     //
 270     // Draw a thick black line around the outside of the button
 271     // Note: DrawLine expects wxWidgets coordinate system so swap
 272     //
 273     rDC.SetPen(vGreyPen);
 274     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 275     // top
 276     rDC.DrawLine( impl->m_vRclPaint.xLeft
 277                  ,impl->m_vRclPaint.yBottom
 278                  ,impl->m_vRclPaint.xRight
 279                  ,impl->m_vRclPaint.yBottom
 280                 );
 281     // right
 282     rDC.DrawLine( impl->m_vRclPaint.xRight
 283                  ,impl->m_vRclPaint.yBottom
 284                  ,impl->m_vRclPaint.xRight
 285                  ,impl->m_vRclPaint.yTop
 286                 );
 287     // bottom
 288     rDC.DrawLine( impl->m_vRclPaint.xRight
 289                  ,impl->m_vRclPaint.yTop
 290                  ,impl->m_vRclPaint.xLeft
 291                  ,impl->m_vRclPaint.yTop
 292                 );
 293     // left
 294     rDC.DrawLine( impl->m_vRclPaint.xLeft
 295                  ,impl->m_vRclPaint.yTop
 296                  ,impl->m_vRclPaint.xLeft
 297                  ,impl->m_vRclPaint.yBottom
 298                 );
 299     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 300 } // end of wxBitmapButton::DrawButtonDisable
 301
 302 #endif // ndef for wxUSE_BMPBUTTON