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 // Copyright:   (c) David Webster
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_BMPBUTTON
  15
  16 #include "wx/bmpbuttn.h"
  17
  18 #ifndef WX_PRECOMP
  19 #endif
  20
  21 #include "wx/os2/dcclient.h"
  22 #include "wx/os2/private.h"
  23
  24
  25 #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
  26
  27 bool wxBitmapButton::Create( wxWindow*          pParent,
  28                              wxWindowID         vId,
  29                              const wxBitmap&    rBitmap,
  30                              const wxPoint&     rPos,
  31                              const wxSize&      rSize,
  32                              long               lStyle,
  33                              const wxValidator& rValidator,
  34                              const wxString&    rsName )
  35 {
  36     m_bitmaps[State_Normal] = rBitmap;
  37     SetName(rsName);
  38 #if wxUSE_VALIDATORS
  39     SetValidator(rValidator);
  40 #endif
  41
  42     pParent->AddChild(this);
  43
  44     m_backgroundColour = pParent->GetBackgroundColour() ;
  45     m_foregroundColour = pParent->GetForegroundColour() ;
  46     m_windowStyle = lStyle;
  47
  48     if (lStyle & wxBU_AUTODRAW)
  49     {
  50         m_marginX = wxDEFAULT_BUTTON_MARGIN;
  51         m_marginY = wxDEFAULT_BUTTON_MARGIN;
  52     }
  53
  54     int nX      = rPos.x;
  55     int nY      = rPos.y;
  56     int nWidth  = rSize.x;
  57     int nHeight = rSize.y;
  58
  59     if (vId == wxID_ANY)
  60         m_windowId = NewControlId();
  61     else
  62         m_windowId = vId;
  63
  64     if (nWidth == wxDefaultCoord && rBitmap.IsOk())
  65         nWidth = rBitmap.GetWidth() + 4 * m_marginX;
  66
  67     if (nHeight == wxDefaultCoord && rBitmap.IsOk())
  68         nHeight = rBitmap.GetHeight() + 4 * m_marginY;
  69
  70     ULONG                           ulOS2Style = WS_VISIBLE | WS_TABSTOP | BS_USERBUTTON;
  71
  72     if (m_windowStyle & wxCLIP_SIBLINGS)
  73         ulOS2Style |= WS_CLIPSIBLINGS;
  74
  75     m_hWnd = (WXHWND)::WinCreateWindow( GetHwndOf(pParent)
  76                                        ,WC_BUTTON
  77                                        ,(PSZ)wxEmptyString
  78                                        ,ulOS2Style
  79                                        ,0, 0, 0, 0
  80                                        ,GetHwndOf(pParent)
  81                                        ,HWND_TOP
  82                                        ,m_windowId
  83                                        ,NULL
  84                                        ,NULL
  85                                       );
  86
  87     //
  88     //Subclass again for purposes of dialog editing mode
  89     //
  90     SubclassWin(m_hWnd);
  91     SetFont(*wxSMALL_FONT);
  92     SetSize( nX
  93             ,nY
  94             ,nWidth
  95             ,nHeight
  96            );
  97     return true;
  98 } // end of wxBitmapButton::Create
  99
 100 bool wxBitmapButton::OS2OnDraw( WXDRAWITEMSTRUCT* pItem)
 101 {
 102     PUSERBUTTON  pUser     = (PUSERBUTTON)pItem;
 103     bool         bAutoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 104
 105     if (!pUser)
 106         return false;
 107
 108     wxBitmap   bitmap;
 109     bool       bIsSelected = pUser->fsState & BDS_HILITED;
 110     wxClientDC vDc(this);
 111
 112     if (bIsSelected)
 113         bitmap = GetBitmapPressed();
 114     else if (pUser->fsState & BDS_DEFAULT)
 115         bitmap = GetBitmapFocus();
 116     else if (pUser->fsState & BDS_DISABLED)
 117         bitmap = GetBitmapDisabled();
 118
 119     if (!bitmap.IsOk() )
 120     {
 121         bitmap = GetBitmapLabel();
 122         if (!bitmap.IsOk() )
 123             return false;
 124     }
 125
 126
 127     //
 128     // Centre the bitmap in the control area
 129     //
 130     int                             nX1        = 0;
 131     int                             nY1        = 0;
 132     wxPMDCImpl                      *impl = (wxPMDCImpl*) vDc.GetImpl();
 133     int                             nWidth     = impl->m_vRclPaint.xRight - impl->m_vRclPaint.xLeft;
 134     int                             nHeight    = impl->m_vRclPaint.yTop - impl->m_vRclPaint.yBottom;
 135     int                             nBmpWidth  = bitmap.GetWidth();
 136     int                             nBmpHeight = bitmap.GetHeight();
 137
 138     nX1 = (nWidth - nBmpWidth) / 2;
 139     nY1 = (nHeight - nBmpHeight) / 2;
 140
 141     if (bIsSelected && bAutoDraw)
 142     {
 143         nX1++;
 144         nY1++;
 145     }
 146
 147     //
 148     // Draw the button face
 149     //
 150     DrawFace( vDc, bIsSelected );
 151
 152     //
 153     // Draw the bitmap
 154     //
 155     vDc.DrawBitmap( bitmap, nX1, nY1, true );
 156
 157     //
 158     // Draw focus / disabled state, if auto-drawing
 159     //
 160     if ((pUser->fsState == BDS_DISABLED) && bAutoDraw)
 161     {
 162         DrawButtonDisable( vDc, bitmap );
 163     }
 164     else if ((pUser->fsState == BDS_DEFAULT) && bAutoDraw)
 165     {
 166         DrawButtonFocus(vDc);
 167     }
 168     return true;
 169 } // end of wxBitmapButton::OS2OnDraw
 170
 171 void wxBitmapButton::DrawFace (wxClientDC& rDC, bool bSel)
 172 {
 173     //
 174     // Set up drawing colors
 175     //
 176     wxPen vHiLitePen(*wxWHITE, 2, wxSOLID); // White
 177     wxColour gray85(85, 85, 85);
 178     wxPen vDarkShadowPen(gray85, 2, wxSOLID);
 179     wxColour vFaceColor(204, 204, 204); // Light Grey
 180
 181     //
 182     // Draw the main button face
 183     //
 184     // This triggers a redraw and destroys the bottom & left focus border and
 185     // doesn't seem to do anything useful.
 186     //    ::WinFillRect(rDC.GetHPS(), &rDC.m_vRclPaint, vFaceColor.GetPixel());
 187
 188     //
 189     // Draw the border
 190     // Note: DrawLine expects wxWidgets coordinate system so swap
 191     //
 192     rDC.SetPen(bSel ? vDarkShadowPen : vHiLitePen);
 193     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 194     // top
 195     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 196                  ,impl->m_vRclPaint.yBottom + 1
 197                  ,impl->m_vRclPaint.xRight - 1
 198                  ,impl->m_vRclPaint.yBottom + 1
 199                 );
 200     // left
 201     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 202                  ,impl->m_vRclPaint.yBottom + 1
 203                  ,impl->m_vRclPaint.xLeft + 1
 204                  ,impl->m_vRclPaint.yTop - 1
 205                 );
 206
 207     rDC.SetPen(bSel ? vHiLitePen : vDarkShadowPen);
 208     // bottom
 209     rDC.DrawLine( impl->m_vRclPaint.xLeft + 1
 210                  ,impl->m_vRclPaint.yTop - 1
 211                  ,impl->m_vRclPaint.xRight - 1
 212                  ,impl->m_vRclPaint.yTop - 1
 213                 );
 214     // right
 215     rDC.DrawLine( impl->m_vRclPaint.xRight - 1
 216                  ,impl->m_vRclPaint.yBottom + 1
 217                  ,impl->m_vRclPaint.xRight - 1
 218                  ,impl->m_vRclPaint.yTop - 1
 219                 );
 220
 221 } // end of wxBitmapButton::DrawFace
 222
 223 void wxBitmapButton::DrawButtonFocus (
 224   wxClientDC&                       rDC
 225 )
 226 {
 227     wxPen vBlackPen(*wxBLACK, 2, wxSOLID);
 228
 229     //
 230     // Draw a thick black line around the outside of the button
 231     // Note: DrawLine expects wxWidgets coordinate system so swap
 232     //
 233     rDC.SetPen(vBlackPen);
 234     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 235     // top
 236     rDC.DrawLine( impl->m_vRclPaint.xLeft
 237                  ,impl->m_vRclPaint.yBottom
 238                  ,impl->m_vRclPaint.xRight
 239                  ,impl->m_vRclPaint.yBottom
 240                 );
 241     // right
 242     rDC.DrawLine( impl->m_vRclPaint.xRight
 243                  ,impl->m_vRclPaint.yBottom
 244                  ,impl->m_vRclPaint.xRight
 245                  ,impl->m_vRclPaint.yTop
 246                 );
 247     // bottom
 248     rDC.DrawLine( impl->m_vRclPaint.xRight
 249                  ,impl->m_vRclPaint.yTop
 250                  ,impl->m_vRclPaint.xLeft
 251                  ,impl->m_vRclPaint.yTop
 252                 );
 253     // left
 254     rDC.DrawLine( impl->m_vRclPaint.xLeft
 255                  ,impl->m_vRclPaint.yTop
 256                  ,impl->m_vRclPaint.xLeft
 257                  ,impl->m_vRclPaint.yBottom
 258                 );
 259 } // end of wxBitmapButton::DrawButtonFocus
 260
 261 void wxBitmapButton::DrawButtonDisable( wxClientDC& rDC,
 262                                         wxBitmap& rBmp )
 263 {
 264     wxPen vGreyPen(wxT("GREY"), 2, wxSOLID);
 265
 266     //
 267     // Draw a thick black line around the outside of the button
 268     // Note: DrawLine expects wxWidgets coordinate system so swap
 269     //
 270     rDC.SetPen(vGreyPen);
 271     wxPMDCImpl                      *impl = (wxPMDCImpl*) rDC.GetImpl();
 272     // top
 273     rDC.DrawLine( impl->m_vRclPaint.xLeft
 274                  ,impl->m_vRclPaint.yBottom
 275                  ,impl->m_vRclPaint.xRight
 276                  ,impl->m_vRclPaint.yBottom
 277                 );
 278     // right
 279     rDC.DrawLine( impl->m_vRclPaint.xRight
 280                  ,impl->m_vRclPaint.yBottom
 281                  ,impl->m_vRclPaint.xRight
 282                  ,impl->m_vRclPaint.yTop
 283                 );
 284     // bottom
 285     rDC.DrawLine( impl->m_vRclPaint.xRight
 286                  ,impl->m_vRclPaint.yTop
 287                  ,impl->m_vRclPaint.xLeft
 288                  ,impl->m_vRclPaint.yTop
 289                 );
 290     // left
 291     rDC.DrawLine( impl->m_vRclPaint.xLeft
 292                  ,impl->m_vRclPaint.yTop
 293                  ,impl->m_vRclPaint.xLeft
 294                  ,impl->m_vRclPaint.yBottom
 295                 );
 296     wxDisableBitmap(rBmp, vGreyPen.GetColour().GetPixel());
 297 } // end of wxBitmapButton::DrawButtonDisable
 298
 299 #endif // ndef for wxUSE_BMPBUTTON