src/msw/bmpbuttn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/bmpbuttn.cpp
   3 // Purpose:     wxBitmapButton
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "bmpbuttn.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_BMPBUTTON
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/bmpbuttn.h"
  27     #include "wx/log.h"
  28     #include "wx/dcmemory.h"
  29 #endif
  30
  31 #include "wx/msw/private.h"
  32
  33 // ----------------------------------------------------------------------------
  34 // macros
  35 // ----------------------------------------------------------------------------
  36
  37 #if wxUSE_EXTENDED_RTTI
  38
  39 WX_DEFINE_FLAGS( wxBitmapButtonStyle )
  40
  41 wxBEGIN_FLAGS( wxBitmapButtonStyle )
  42     // new style border flags, we put them first to
  43     // use them for streaming out
  44     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  45     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  46     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  47     wxFLAGS_MEMBER(wxBORDER_RAISED)
  48     wxFLAGS_MEMBER(wxBORDER_STATIC)
  49     wxFLAGS_MEMBER(wxBORDER_NONE)
  50
  51     // old style border flags
  52     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  53     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  54     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  55     wxFLAGS_MEMBER(wxRAISED_BORDER)
  56     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  57     wxFLAGS_MEMBER(wxBORDER)
  58
  59     // standard window styles
  60     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  61     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  62     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  63     wxFLAGS_MEMBER(wxWANTS_CHARS)
  64     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  65     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  66     wxFLAGS_MEMBER(wxVSCROLL)
  67     wxFLAGS_MEMBER(wxHSCROLL)
  68
  69     wxFLAGS_MEMBER(wxBU_AUTODRAW)
  70     wxFLAGS_MEMBER(wxBU_LEFT)
  71     wxFLAGS_MEMBER(wxBU_RIGHT)
  72     wxFLAGS_MEMBER(wxBU_TOP)
  73     wxFLAGS_MEMBER(wxBU_BOTTOM)
  74 wxEND_FLAGS( wxBitmapButtonStyle )
  75
  76 IMPLEMENT_DYNAMIC_CLASS_XTI(wxBitmapButton, wxButton,"wx/bmpbuttn.h")
  77
  78 wxBEGIN_PROPERTIES_TABLE(wxBitmapButton)
  79     wxPROPERTY_FLAGS( WindowStyle , wxBitmapButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  80 wxEND_PROPERTIES_TABLE()
  81
  82 wxBEGIN_HANDLERS_TABLE(wxBitmapButton)
  83 wxEND_HANDLERS_TABLE()
  84
  85 wxCONSTRUCTOR_5( wxBitmapButton , wxWindow* , Parent , wxWindowID , Id , wxBitmap , Bitmap , wxPoint , Position , wxSize , Size )
  86
  87 #else
  88 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
  89 #endif
  90
  91 /*
  92 TODO PROPERTIES :
  93
  94 long "style" , wxBU_AUTODRAW
  95 bool "default" , 0
  96 bitmap "selected" ,
  97 bitmap "focus" ,
  98 bitmap "disabled" ,
  99 */
 100
 101 #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
 102
 103 wxBitmapButtonBase::wxBitmapButtonBase()
 104                                       : m_bmpNormal(),
 105                                         m_bmpSelected(),
 106                                         m_bmpFocus(),
 107                                         m_bmpDisabled(),
 108                                         m_marginX(0),
 109                                         m_marginY(0)
 110 {
 111 }
 112
 113 bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
 114            const wxPoint& pos,
 115            const wxSize& size, long style,
 116            const wxValidator& wxVALIDATOR_PARAM(validator),
 117            const wxString& name)
 118 {
 119   m_bmpNormal = bitmap;
 120   SetName(name);
 121
 122 #if wxUSE_VALIDATORS
 123   SetValidator(validator);
 124 #endif // wxUSE_VALIDATORS
 125
 126   parent->AddChild(this);
 127
 128   m_backgroundColour = parent->GetBackgroundColour();
 129   m_foregroundColour = parent->GetForegroundColour();
 130   m_windowStyle = style;
 131
 132   if ( style & wxBU_AUTODRAW )
 133   {
 134     m_marginX = wxDEFAULT_BUTTON_MARGIN;
 135     m_marginY = wxDEFAULT_BUTTON_MARGIN;
 136   }
 137
 138   int x = pos.x;
 139   int y = pos.y;
 140   int width = size.x;
 141   int height = size.y;
 142
 143   if (id == -1)
 144     m_windowId = NewControlId();
 145   else
 146     m_windowId = id;
 147
 148   if ( width == -1 && bitmap.Ok())
 149     width = bitmap.GetWidth() + 2*m_marginX;
 150
 151   if ( height == -1 && bitmap.Ok())
 152     height = bitmap.GetHeight() + 2*m_marginY;
 153
 154         long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
 155
 156     if ( m_windowStyle & wxCLIP_SIBLINGS )
 157         msStyle |= WS_CLIPSIBLINGS;
 158
 159 #ifdef __WIN32__
 160     if(m_windowStyle & wxBU_LEFT)
 161         msStyle |= BS_LEFT;
 162     if(m_windowStyle & wxBU_RIGHT)
 163         msStyle |= BS_RIGHT;
 164     if(m_windowStyle & wxBU_TOP)
 165         msStyle |= BS_TOP;
 166     if(m_windowStyle & wxBU_BOTTOM)
 167         msStyle |= BS_BOTTOM;
 168 #endif
 169
 170   m_hWnd = (WXHWND)CreateWindowEx
 171                    (
 172                     0,
 173                     wxT("BUTTON"),
 174                     wxEmptyString,
 175                     msStyle,
 176                     0, 0, 0, 0,
 177                     GetWinHwnd(parent),
 178                     (HMENU)m_windowId,
 179                     wxGetInstance(),
 180                     NULL
 181                    );
 182
 183   // Subclass again for purposes of dialog editing mode
 184   SubclassWin(m_hWnd);
 185
 186   SetFont(parent->GetFont());
 187
 188   SetSize(x, y, width, height);
 189
 190   return TRUE;
 191 }
 192
 193 // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
 194 #define FOCUS_MARGIN 3
 195
 196 bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 197 {
 198 #ifndef __WXWINCE__
 199     long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
 200     if (style & BS_BITMAP)
 201     {
 202         // Let default procedure draw the bitmap, which is defined
 203         // in the Windows resource.
 204         return FALSE;
 205     }
 206 #endif
 207
 208     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
 209     HDC hDC                = lpDIS->hDC;
 210     UINT state             = lpDIS->itemState;
 211     bool isSelected        = (state & ODS_SELECTED) != 0;
 212     bool autoDraw          = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
 213
 214
 215     // choose the bitmap to use depending on the button state
 216     wxBitmap* bitmap;
 217
 218     if ( isSelected && m_bmpSelected.Ok() )
 219         bitmap = &m_bmpSelected;
 220     else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
 221         bitmap = &m_bmpFocus;
 222     else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
 223         bitmap = &m_bmpDisabled;
 224     else
 225         bitmap = &m_bmpNormal;
 226
 227     if ( !bitmap->Ok() )
 228         return FALSE;
 229
 230     // centre the bitmap in the control area
 231     int x      = lpDIS->rcItem.left;
 232     int y      = lpDIS->rcItem.top;
 233     int width  = lpDIS->rcItem.right - x;
 234     int height = lpDIS->rcItem.bottom - y;
 235     int wBmp   = bitmap->GetWidth();
 236     int hBmp   = bitmap->GetHeight();
 237
 238         int x1,y1;
 239
 240     if(m_windowStyle & wxBU_LEFT)
 241         x1 = x + (FOCUS_MARGIN+1);
 242     else if(m_windowStyle & wxBU_RIGHT)
 243         x1 = x + (width - wBmp) - (FOCUS_MARGIN+1);
 244     else
 245         x1 = x + (width - wBmp) / 2;
 246
 247     if(m_windowStyle & wxBU_TOP)
 248         y1 = y + (FOCUS_MARGIN+1);
 249     else if(m_windowStyle & wxBU_BOTTOM)
 250         y1 = y + (height - hBmp) - (FOCUS_MARGIN+1);
 251     else
 252         y1 = y + (height - hBmp) / 2;
 253
 254     if ( isSelected && autoDraw )
 255     {
 256         x1++;
 257         y1++;
 258     }
 259
 260     // draw the face, if auto-drawing
 261     if ( autoDraw )
 262     {
 263         DrawFace((WXHDC) hDC,
 264                  lpDIS->rcItem.left, lpDIS->rcItem.top,
 265                  lpDIS->rcItem.right, lpDIS->rcItem.bottom,
 266                  isSelected);
 267     }
 268
 269     // draw the bitmap
 270     wxDC dst;
 271     dst.SetHDC((WXHDC) hDC, FALSE);
 272     dst.DrawBitmap(*bitmap, x1, y1, TRUE);
 273
 274     // draw focus / disabled state, if auto-drawing
 275     if ( (state & ODS_DISABLED) && autoDraw )
 276     {
 277         DrawButtonDisable((WXHDC) hDC,
 278                           lpDIS->rcItem.left, lpDIS->rcItem.top,
 279                           lpDIS->rcItem.right, lpDIS->rcItem.bottom,
 280                           TRUE);
 281     }
 282     else if ( (state & ODS_FOCUS) && autoDraw )
 283     {
 284         DrawButtonFocus((WXHDC) hDC,
 285                         lpDIS->rcItem.left,
 286                         lpDIS->rcItem.top,
 287                         lpDIS->rcItem.right,
 288                         lpDIS->rcItem.bottom,
 289                         isSelected);
 290     }
 291
 292     return TRUE;
 293 }
 294
 295 // GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF
 296
 297 #if defined(__WIN95__)
 298
 299 void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel )
 300 {
 301     HPEN oldp;
 302     HPEN penHiLight;
 303     HPEN penLight;
 304     HPEN penShadow;
 305     HPEN penDkShadow;
 306     HBRUSH brushFace;
 307
 308     // create needed pens and brush
 309     penHiLight  = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT));
 310     penLight    = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));
 311     penShadow   = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
 312     penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW));
 313     // brushFace   = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
 314     // Taking the background colour fits in better with
 315     // Windows XP themes.
 316     brushFace   = CreateSolidBrush(m_backgroundColour.m_pixel);
 317
 318     // draw the rectangle
 319     RECT rect;
 320     rect.left   = left;
 321     rect.right  = right;
 322     rect.top    = top;
 323     rect.bottom = bottom;
 324     FillRect((HDC) dc, &rect, brushFace);
 325
 326     // draw the border
 327     oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight);
 328
 329     wxDrawLine((HDC) dc, left, top, right-1, top);
 330     wxDrawLine((HDC) dc, left, top+1, left, bottom-1);
 331
 332     SelectObject( (HDC) dc, sel? penShadow : penLight);
 333     wxDrawLine((HDC) dc, left+1, top+1, right-2, top+1);
 334     wxDrawLine((HDC) dc, left+1, top+2, left+1, bottom-2);
 335
 336     SelectObject( (HDC) dc, sel? penLight : penShadow);
 337     wxDrawLine((HDC) dc, left+1, bottom-2, right-1, bottom-2);
 338     wxDrawLine((HDC) dc, right-2, bottom-3, right-2, top);
 339
 340     SelectObject( (HDC) dc, sel? penHiLight : penDkShadow);
 341     wxDrawLine((HDC) dc, left, bottom-1, right+2, bottom-1);
 342     wxDrawLine((HDC) dc, right-1, bottom-2, right-1, top-1);
 343
 344     // delete allocated resources
 345     SelectObject((HDC) dc,oldp);
 346     DeleteObject(penHiLight);
 347     DeleteObject(penLight);
 348     DeleteObject(penShadow);
 349     DeleteObject(penDkShadow);
 350     DeleteObject(brushFace);
 351 }
 352
 353 #else
 354
 355 void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel )
 356 {
 357     HPEN oldp;
 358     HPEN penBorder;
 359     HPEN penLight;
 360     HPEN penShadow;
 361     HBRUSH brushFace;
 362
 363     // create needed pens and brush
 364     penBorder = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME));
 365     penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW));
 366     penLight  = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT));
 367     brushFace = CreateSolidBrush(COLOR_BTNFACE);
 368
 369     // draw the rectangle
 370     RECT rect;
 371     rect.left   = left;
 372     rect.right  = right;
 373     rect.top    = top;
 374     rect.bottom = bottom;
 375     FillRect((HDC) dc, &rect, brushFace);
 376
 377     // draw the border
 378     oldp = (HPEN) SelectObject( (HDC) dc, penBorder);
 379     MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top);
 380     MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1);
 381     MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1);
 382     MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1);
 383
 384     SelectObject( (HDC) dc, penShadow);
 385     if (sel)
 386     {
 387         MoveToEx((HDC) dc,left+1    ,bottom-2   ,NULL);
 388         LineTo((HDC) dc,  left+1    ,top+1);
 389         LineTo((HDC) dc,  right-2   ,top+1);
 390     }
 391     else
 392     {
 393         MoveToEx((HDC) dc,left+1    ,bottom-2   ,NULL);
 394         LineTo((HDC) dc,  right-2   ,bottom-2);
 395         LineTo((HDC) dc,  right-2   ,top);
 396
 397         MoveToEx((HDC) dc,left+2    ,bottom-3   ,NULL);
 398         LineTo((HDC) dc,  right-3   ,bottom-3);
 399         LineTo((HDC) dc,  right-3   ,top+1);
 400
 401         SelectObject( (HDC) dc, penLight);
 402
 403         MoveToEx((HDC) dc,left+1    ,bottom-2   ,NULL);
 404         LineTo((HDC) dc,  left+1    ,top+1);
 405         LineTo((HDC) dc,  right-2   ,top+1);
 406     }
 407
 408     // delete allocated resources
 409     SelectObject((HDC) dc,oldp);
 410     DeleteObject(penBorder);
 411     DeleteObject(penLight);
 412     DeleteObject(penShadow);
 413     DeleteObject(brushFace);
 414 }
 415
 416 #endif // defined(__WIN95__)
 417
 418
 419 void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel )
 420 {
 421     RECT rect;
 422     rect.left = left;
 423     rect.top = top;
 424     rect.right = right;
 425     rect.bottom = bottom;
 426     InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN );
 427
 428     // GRG: the focus rectangle should not move when the button is pushed!
 429 /*
 430     if ( sel )
 431         OffsetRect( &rect, 1, 1 );
 432 */
 433         (void)sel;
 434     DrawFocusRect( (HDC) dc, &rect );
 435 }
 436
 437 extern HBRUSH wxDisableButtonBrush;
 438 void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg )
 439 {
 440     HBRUSH  old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush );
 441
 442     // VZ: what's this?? there is no such ROP AFAIK
 443 #ifdef __SALFORDC__
 444     DWORD dwRop = 0xFA0089L;
 445 #else
 446     DWORD dwRop = 0xFA0089UL;
 447 #endif
 448
 449     if ( with_marg )
 450     {
 451         left += m_marginX;
 452         top += m_marginY;
 453         right -= 2 * m_marginX;
 454         bottom -= 2 * m_marginY;
 455     }
 456
 457     ::PatBlt( (HDC) dc, left, top, right, bottom, dwRop);
 458
 459     ::SelectObject( (HDC) dc, old );
 460 }
 461
 462 void wxBitmapButton::SetDefault()
 463 {
 464     wxButton::SetDefault();
 465 }
 466
 467 #endif // wxUSE_BMPBUTTON