contrib/src/fl/newbmpbtn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        newbmpbtn.cpp
   3 // Purpose:     wxNewBitmapButton enhanced bitmap button class.
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     ??/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "newbmpbtn.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/fl/newbmpbtn.h"
  28 #include "wx/utils.h"     // import wxMin,wxMax macros
  29
  30 #ifdef __WXMSW__
  31 #include "wx/msw/private.h"
  32 #endif
  33
  34 ///////////// button-label rendering helpers //////////////////
  35
  36 static int* create_array( int width, int height, int fill = 0 )
  37 {
  38     int* array = new int[width*height];
  39
  40     int len = width*height;
  41     int i;
  42     for ( i = 0; i != len; ++i )
  43         array[i] = fill;
  44
  45     return array;
  46 }
  47
  48 #define GET_ELEM(array,x,y) (array[width*(y)+(x)])
  49
  50 #define MIN_COLOR_DIFF 10
  51
  52 #define IS_IN_ARRAY(x,y) ( (x) < width && (y) < height && (x) >= 0 && (y) >= 0 )
  53
  54 #define GET_RED(col)    col        & 0xFF
  55 #define GET_GREEN(col) (col >> 8)  & 0xFF
  56 #define GET_BLUE(col)  (col >> 16) & 0xFF
  57
  58 #define MAKE_INT_COLOR(red,green,blue) (     (red)                      | \
  59                                          ( ( (green) << 8 ) & 0xFF00  ) | \
  60                                          ( ( (blue)  << 16) & 0xFF0000) \
  61                                        )
  62
  63 #define IS_GREATER(col1,col2) ( ( (GET_RED(col1)  ) > (GET_RED(col2)  ) + MIN_COLOR_DIFF ) && \
  64                                 ( (GET_GREEN(col1)) > (GET_GREEN(col2)) + MIN_COLOR_DIFF ) &&  \
  65                                 ( (GET_BLUE(col1) ) > (GET_BLUE(col2) ) + MIN_COLOR_DIFF )     \
  66                               )
  67
  68 #define MASK_BG    0
  69 #define MASK_DARK  1
  70 #define MASK_LIGHT 2
  71
  72 // helper function, used internally
  73
  74 static void gray_out_pixmap( int* src, int* dest, int width, int height )
  75 {
  76     // assuming the pixels along the edges are of the background color
  77
  78     int x = 0;
  79     int y = 1;
  80
  81     do
  82     {
  83         int cur       = GET_ELEM(src,x,y);
  84
  85
  86         if ( IS_IN_ARRAY(x-1,y-1) )
  87         {
  88             int upperElem = GET_ELEM(src,x-1,y-1);
  89
  90             // if the upper element is lighter than current
  91             if ( IS_GREATER(upperElem,cur) )
  92             {
  93                 GET_ELEM(dest,x,y) = MASK_DARK;
  94             }
  95             else
  96             // if the current element is ligher than the upper
  97             if ( IS_GREATER(cur,upperElem) )
  98             {
  99                 GET_ELEM(dest,x,y) = MASK_LIGHT;
 100             }
 101             else
 102             {
 103                 if ( GET_ELEM(dest,x-1,y-1) == MASK_LIGHT )
 104
 105                     GET_ELEM(dest,x,y) = MASK_BG;
 106
 107                 if ( GET_ELEM(dest,x-1,y-1 ) == MASK_DARK )
 108
 109                     GET_ELEM(dest,x,y) = MASK_DARK;
 110                 else
 111                     GET_ELEM(dest,x,y) = MASK_BG;
 112             }
 113         }
 114
 115         // go zig-zag
 116
 117         if ( IS_IN_ARRAY(x+1,y-1) )
 118         {
 119             ++x;
 120             --y;
 121         }
 122         else
 123         {
 124             while ( IS_IN_ARRAY(x-1,y+1) )
 125             {
 126                 --x;
 127                 ++y;
 128             }
 129
 130             if ( IS_IN_ARRAY(x,y+1) )
 131             {
 132                 ++y;
 133                 continue;
 134             }
 135             else
 136             {
 137                 if ( IS_IN_ARRAY(x+1,y) )
 138                 {
 139                     ++x;
 140                     continue;
 141                 }
 142                 else break;
 143             }
 144         }
 145
 146     } while (1);
 147 }
 148
 149 // algorithm for making the image look "grayed" (e.g. disabled button)
 150 // NOTE:: used GetPixel(), which is Windows-Only!
 151
 152 void gray_out_image_on_dc( wxDC& dc, int width, int height )
 153 {
 154     // assuming the pixels along the edges are of the background color
 155     wxColour bgCol;
 156     dc.GetPixel( 0, 0, &bgCol );
 157
 158     wxPen darkPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW),1, wxSOLID );
 159     wxPen lightPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT),1, wxSOLID );
 160     wxPen bgPen   ( bgCol,                1, wxSOLID );
 161
 162     int* src  = create_array( width, height, MASK_BG );
 163     int* dest = create_array( width, height, MASK_BG );
 164
 165     int x, y;
 166     for ( y = 0; y != height; ++y )
 167     {
 168         for ( x = 0; x != width; ++x )
 169         {
 170             wxColour col;
 171             dc.GetPixel( x,y, &col );
 172
 173             GET_ELEM(src,x,y) = MAKE_INT_COLOR( col.Red(), col.Green(), col.Blue() );
 174         }
 175     }
 176     gray_out_pixmap( src, dest, width, height );
 177
 178     for ( y = 0; y != height; ++y )
 179     {
 180         for ( x = 0; x != width; ++x )
 181         {
 182             int mask = GET_ELEM(dest,x,y);
 183
 184             switch (mask)
 185             {
 186                 case MASK_BG    : { dc.SetPen( bgPen );
 187                                     dc.DrawPoint( x,y ); break;
 188                                   }
 189                 case MASK_DARK  : { dc.SetPen( darkPen );
 190                                     dc.DrawPoint( x,y ); break;
 191                                   }
 192                 case MASK_LIGHT : { dc.SetPen( lightPen );
 193                                     dc.DrawPoint( x,y ); break;
 194                                   }
 195                 default : break;
 196             }
 197         }
 198     }
 199     delete [] src;
 200     delete [] dest;
 201 }
 202
 203 ///////////////////////////////
 204
 205 /***** Implementation for class wxNewBitmapButton *****/
 206
 207 IMPLEMENT_DYNAMIC_CLASS(wxNewBitmapButton, wxPanel)
 208
 209 BEGIN_EVENT_TABLE( wxNewBitmapButton, wxPanel )
 210
 211     EVT_LEFT_DOWN   ( wxNewBitmapButton::OnLButtonDown   )
 212     EVT_LEFT_UP     ( wxNewBitmapButton::OnLButtonUp     )
 213 //    EVT_LEFT_DCLICK ( wxNewBitmapButton::OnLButtonDClick )
 214     EVT_LEFT_DCLICK ( wxNewBitmapButton::OnLButtonDown )
 215     EVT_ENTER_WINDOW( wxNewBitmapButton::OnMouseEnter    )
 216     EVT_LEAVE_WINDOW( wxNewBitmapButton::OnMouseLeave    )
 217
 218     EVT_SIZE ( wxNewBitmapButton::OnSize  )
 219     EVT_PAINT( wxNewBitmapButton::OnPaint )
 220
 221     //EVT_KILL_FOCUS( wxNewBitmapButton::OnKillFocus )
 222
 223     EVT_ERASE_BACKGROUND( wxNewBitmapButton::OnEraseBackground )
 224
 225     EVT_IDLE(wxNewBitmapButton::OnIdle)
 226
 227 END_EVENT_TABLE()
 228
 229 wxNewBitmapButton::wxNewBitmapButton( const wxBitmap& labelBitmap,
 230                                       const wxString& labelText,
 231                                       int  alignText,
 232                                       bool isFlat,
 233                                       int  firedEventType,
 234                                       int  marginX,
 235                                       int  marginY,
 236                                       int  textToLabelGap,
 237                                       bool isSticky)
 238     :   mTextToLabelGap  ( textToLabelGap ),
 239         mMarginX( marginX ),
 240         mMarginY( marginY ),
 241         mTextAlignment( alignText ),
 242         mIsSticky( isSticky ),
 243         mIsFlat( isFlat ),
 244         mLabelText( labelText ),
 245         mImageFileType( wxBITMAP_TYPE_INVALID ),
 246         mDepressedBmp( labelBitmap ),
 247
 248         mpDepressedImg( NULL ),
 249         mpPressedImg  ( NULL ),
 250         mpDisabledImg ( NULL ),
 251         mpFocusedImg  ( NULL ),
 252
 253
 254         mDragStarted  ( FALSE ),
 255         mIsPressed    ( FALSE ),
 256         mIsInFocus    ( FALSE ),
 257         mIsToggled    ( FALSE ),
 258         mHasFocusedBmp( FALSE ),
 259         mFiredEventType( firedEventType ),
 260
 261         mBlackPen( wxColour(  0,  0,  0), 1, wxSOLID ),
 262         mDarkPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
 263         mGrayPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 264         mLightPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT), 1, wxSOLID ),
 265
 266         mIsCreated( FALSE ),
 267         mSizeIsSet( FALSE )
 268
 269 {
 270 }
 271
 272 wxNewBitmapButton::wxNewBitmapButton( const wxString& bitmapFileName,
 273                                       const wxBitmapType  bitmapFileType,
 274                                       const wxString& labelText,
 275                                       int  alignText,
 276                                       bool isFlat,
 277                                       int  WXUNUSED(firedEventType),
 278                                       int  WXUNUSED(marginX),
 279                                       int  WXUNUSED(marginY),
 280                                       int  WXUNUSED(textToLabelGap),
 281                                       bool WXUNUSED(isSticky))
 282
 283     :   mTextToLabelGap  ( 2 ),
 284         mMarginX( 2 ),
 285         mMarginY( 2 ),
 286         mTextAlignment( alignText ),
 287         mIsSticky( FALSE ),
 288         mIsFlat( isFlat ),
 289         mLabelText( labelText ),
 290         mImageFileName( bitmapFileName ),
 291         mImageFileType( bitmapFileType ),
 292
 293         mpDepressedImg( NULL ),
 294         mpPressedImg  ( NULL ),
 295         mpDisabledImg ( NULL ),
 296         mpFocusedImg  ( NULL ),
 297
 298         mDragStarted  ( FALSE ),
 299         mIsPressed    ( FALSE ),
 300         mIsInFocus    ( FALSE ),
 301         mIsToggled    ( FALSE ),
 302         mHasFocusedBmp( FALSE ),
 303         mFiredEventType( wxEVT_COMMAND_MENU_SELECTED ),
 304
 305         mBlackPen( wxColour(  0,  0,  0), 1, wxSOLID ),
 306         mDarkPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
 307         mGrayPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 308         mLightPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT), 1, wxSOLID ),
 309
 310         mIsCreated( FALSE ),
 311         mSizeIsSet( FALSE )
 312
 313 {
 314 }
 315
 316 wxNewBitmapButton::~wxNewBitmapButton(void)
 317 {
 318     DestroyLabels();
 319 }
 320
 321 void wxNewBitmapButton::DrawShade( int outerLevel,
 322                                    wxDC&  dc,
 323                                    wxPen& upperLeftSidePen,
 324                                    wxPen& lowerRightSidePen )
 325 {
 326     wxBitmap* pBmp = GetStateLabel();
 327
 328     int x = mMarginX - (outerLevel + 2);
 329     int y = mMarginY - (outerLevel + 2);
 330
 331     int height = pBmp->GetHeight() + (outerLevel + 2)*2 - 1;
 332     int width  = pBmp->GetWidth()  + (outerLevel + 2)*2 - 1;
 333
 334     dc.SetPen( upperLeftSidePen );
 335     dc.DrawLine( x,y, x + width, y  );
 336     dc.DrawLine( x,y, x, y + height );
 337
 338     dc.SetPen( lowerRightSidePen );
 339     dc.DrawLine( x + width, y, x + width, y + height + 1  );
 340     dc.DrawLine( x, y + height, x + width, y + height );
 341 }
 342
 343 void wxNewBitmapButton::DestroyLabels()
 344 {
 345     if ( mpDepressedImg ) delete mpDepressedImg;
 346     if ( mpPressedImg   ) delete mpPressedImg;
 347     if ( mpDisabledImg  ) delete mpDisabledImg;
 348     if ( mpFocusedImg   ) delete mpFocusedImg;
 349
 350     mpDepressedImg = NULL;
 351     mpPressedImg   = NULL;
 352     mpDisabledImg  = NULL;
 353     mpFocusedImg   = NULL;
 354 }
 355
 356 wxBitmap* wxNewBitmapButton::GetStateLabel()
 357 {
 358     if ( IsEnabled() )
 359     {
 360         if ( mIsPressed )
 361         {
 362             return mpPressedImg;
 363         }
 364         else
 365         {
 366             if ( mIsInFocus )
 367             {
 368                 if ( mHasFocusedBmp )
 369
 370                     return mpFocusedImg;
 371                 else
 372                     return mpDepressedImg;
 373             }
 374             else
 375                 return mpDepressedImg;
 376         }
 377     }
 378     else
 379         return mpDisabledImg;
 380 }
 381
 382 static const unsigned char _gDisableImage[] = { 0x55,0xAA,0x55,0xAA,
 383                                               0x55,0xAA,0x55,0xAA,
 384                                               0x55,0xAA,0x55,0xAA,
 385                                               0x55,0xAA,0x55,0xAA
 386                                             };
 387 void wxNewBitmapButton::RenderLabelImage( wxBitmap*& destBmp, wxBitmap* srcBmp,
 388                                           bool isEnabled, bool isPressed )
 389 {
 390     if ( destBmp != 0 ) return;
 391
 392     // render labels on-demand
 393
 394     wxMemoryDC srcDc;
 395     srcDc.SelectObject( *srcBmp );
 396
 397     bool hasText = ( mTextAlignment != NB_NO_TEXT ) &&
 398                    ( mLabelText.length() != 0 );
 399
 400     bool hasImage = (mTextAlignment != NB_NO_IMAGE);
 401
 402     wxSize destDim;
 403     wxPoint txtPos;
 404     wxPoint imgPos;
 405
 406     if ( hasText )
 407     {
 408         long txtWidth, txtHeight;
 409
 410         srcDc.SetFont( wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) );
 411         srcDc.GetTextExtent( mLabelText, &txtWidth, &txtHeight );
 412
 413         if ( mTextAlignment == NB_ALIGN_TEXT_RIGHT )
 414         {
 415             destDim.x = srcBmp->GetWidth() + 2*mTextToLabelGap + txtWidth;
 416
 417             destDim.y =
 418                 wxMax( srcBmp->GetHeight(), txtHeight );
 419
 420             txtPos.x = srcBmp->GetWidth() + mTextToLabelGap;
 421             txtPos.y = (destDim.y - txtHeight)/2;
 422             imgPos.x = 0;
 423             imgPos.y = (destDim.y - srcBmp->GetHeight())/2;
 424         }
 425         else
 426         if ( mTextAlignment == NB_ALIGN_TEXT_BOTTOM )
 427         {
 428             destDim.x =
 429                 wxMax( srcBmp->GetWidth(), txtWidth );
 430
 431             destDim.y = srcBmp->GetHeight() + mTextToLabelGap + txtHeight;
 432
 433             txtPos.x = (destDim.x - txtWidth)/2;
 434             txtPos.y = srcBmp->GetHeight() + mTextToLabelGap;
 435             imgPos.x = (destDim.x - srcBmp->GetWidth())/2;
 436             imgPos.y = 0;
 437         }
 438         else
 439         {
 440             wxFAIL_MSG(wxT("Unsupported FL alignment type detected in wxNewBitmapButton::RenderLabelImage()"));
 441         }
 442     }
 443     else
 444     {
 445         imgPos.x = 0;
 446         imgPos.y = 0;
 447         destDim.x = srcBmp->GetWidth();
 448         destDim.y = srcBmp->GetHeight();
 449     }
 450
 451     destBmp = new wxBitmap( int(destDim.x), int(destDim.y) );
 452
 453     wxMemoryDC destDc;
 454     destDc.SelectObject( *destBmp );
 455
 456     wxBrush grayBrush( wxSystemSettings::GetColour( wxSYS_COLOUR_3DFACE), wxSOLID );
 457     wxPen   nullPen( wxColour(0,0,0), 1, wxTRANSPARENT );
 458
 459     destDc.SetBrush( grayBrush );
 460     destDc.SetPen( nullPen );
 461
 462     destDc.DrawRectangle( 0,0, destDim.x+1, destDim.y+1 );
 463
 464     if ( isPressed )
 465     {
 466         ++imgPos.x; ++imgPos.y;
 467         ++txtPos.x; ++txtPos.y;
 468     }
 469
 470     if ( hasImage )
 471     {
 472
 473         destDc.Blit( imgPos.x, imgPos.y,
 474                  srcBmp->GetWidth()+1,
 475                  srcBmp->GetHeight()+1,
 476                  &srcDc, 0,0, wxCOPY,TRUE );
 477     }
 478
 479     if ( hasText )
 480     {
 481         wxWindow* pTopWnd = this;
 482
 483         do
 484         {
 485             wxWindow* pParent = pTopWnd->GetParent();
 486
 487             if ( pParent == 0 )
 488                 break;
 489
 490             pTopWnd = pParent;
 491         } while (1);
 492
 493         destDc.SetFont( wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT) );
 494
 495         if ( isEnabled )
 496         {
 497             destDc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT) );
 498         }
 499         else
 500         {
 501             destDc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW) );
 502         }
 503         destDc.SetTextBackground( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) );
 504
 505         destDc.DrawText( mLabelText, txtPos.x, txtPos.y );
 506     }
 507
 508     if ( !isEnabled ){
 509
 510 #ifdef __WXMSW__ // This is currently MSW specific
 511         gray_out_image_on_dc( destDc, destDim.x, destDim.y );
 512 #else
 513         wxBrush checkerBrush( wxBitmap( (const char*)_gDisableImage,8,8) );
 514         checkerBrush.SetColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
 515         destDc.SetBrush( checkerBrush );
 516         destDc.DrawRectangle( imgPos.x, imgPos.y, srcBmp->GetWidth()+1, srcBmp->GetHeight()+1);
 517 #endif
 518     }
 519     // adjust button size to fit the new dimensions of the label
 520     if ( !mSizeIsSet && 0 )
 521     {
 522         mSizeIsSet = TRUE;
 523         SetSize( -1,-1,
 524                  destBmp->GetWidth()  + mMarginX*2,
 525                  destBmp->GetHeight() + mMarginY*2, 0
 526             );
 527     }
 528     destDc.SelectObject( wxNullBitmap );
 529
 530 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 531     // Map to system colours
 532     (void) wxToolBar::MapBitmap(destBmp->GetHBITMAP(), destBmp->GetWidth(), destBmp->GetHeight());
 533 #endif
 534 }
 535
 536 void wxNewBitmapButton::RenderAllLabelImages()
 537 {
 538     if ( !mIsCreated )
 539         return;
 540     RenderLabelImage( mpDisabledImg, &mDepressedBmp, FALSE );
 541     RenderLabelImage( mpPressedImg,   &mDepressedBmp, TRUE, TRUE );
 542     RenderLabelImage( mpDepressedImg, &mDepressedBmp, TRUE, FALSE );
 543     if ( mHasFocusedBmp )
 544     {
 545         RenderLabelImage( mpFocusedImg, &mFocusedBmp, TRUE, FALSE );
 546     }
 547 }
 548
 549
 550 void wxNewBitmapButton::RenderLabelImages()
 551 {
 552     if ( !mIsCreated )
 553         return;
 554
 555     if ( !IsEnabled() )
 556     {
 557         RenderLabelImage( mpDisabledImg, &mDepressedBmp, FALSE );
 558     }
 559     else
 560
 561     if ( mIsPressed )
 562
 563         RenderLabelImage( mpPressedImg,   &mDepressedBmp, TRUE, TRUE );
 564     else
 565     {
 566         if ( mIsInFocus )
 567         {
 568             if ( mHasFocusedBmp )
 569                 RenderLabelImage( mpFocusedImg, &mFocusedBmp, TRUE, FALSE );
 570             else
 571                 RenderLabelImage( mpDepressedImg, &mDepressedBmp, TRUE, FALSE );
 572         }
 573         else
 574             RenderLabelImage( mpDepressedImg, &mDepressedBmp, TRUE, FALSE );
 575     }
 576 }
 577
 578 bool wxNewBitmapButton::Toggle(bool enable)
 579 {
 580     if ( mIsToggled == enable )
 581     {
 582         return FALSE;
 583     }
 584
 585     mIsToggled = enable;
 586     Refresh();
 587
 588     return TRUE;
 589 }
 590
 591 bool wxNewBitmapButton::Enable(bool enable)
 592 {
 593     if ( enable != m_isEnabled )
 594     {
 595         if ( mIsInFocus )
 596         {
 597             mIsInFocus = FALSE;
 598         }
 599
 600         if ( mIsPressed )
 601         {
 602             mIsPressed = FALSE;
 603         }
 604
 605         Refresh();
 606     }
 607
 608     return wxPanel::Enable( enable );
 609 }
 610
 611 void wxNewBitmapButton::DrawDecorations( wxDC& dc )
 612 {
 613     if ( mIsFlat )
 614     {
 615         DrawShade( 1, dc, mGrayPen,  mGrayPen  );
 616         if ( mIsToggled )
 617         {
 618             DrawShade( 0, dc, mDarkPen,  mLightPen  );
 619         }
 620         else if ( mIsInFocus )
 621         {
 622             if ( mIsPressed )
 623                 DrawShade( 0, dc, mDarkPen,  mLightPen  );
 624             else
 625                 DrawShade( 0, dc, mLightPen,  mDarkPen  );
 626         }
 627         else
 628             DrawShade( 0, dc, mGrayPen,  mGrayPen  );
 629     }
 630     else
 631     {
 632         if ( mIsPressed || mIsToggled )
 633         {
 634             DrawShade( 0, dc, mDarkPen,  mGrayPen  );
 635             DrawShade( 1, dc, mBlackPen, mLightPen );
 636         }
 637         else
 638         {
 639             DrawShade( 0, dc, mGrayPen,  mDarkPen  );
 640             DrawShade( 1, dc, mLightPen, mBlackPen );
 641         }
 642     }
 643 }
 644
 645 void wxNewBitmapButton::SetLabel(const wxBitmap& labelBitmap,
 646                                  const wxString& labelText )
 647 {
 648     DestroyLabels();
 649
 650     mLabelText    = labelText;
 651     mDepressedBmp = labelBitmap;
 652
 653     //RenderLabelImages();
 654     RenderAllLabelImages();
 655 }
 656
 657 void wxNewBitmapButton::SetAlignments( int alignText,
 658                                        int marginX,
 659                                        int marginY,
 660                                        int textToLabelGap)
 661 {
 662     DestroyLabels();
 663
 664     mMarginX        = marginX;
 665     mMarginY        = marginY;
 666     mTextAlignment  = alignText;
 667     mTextToLabelGap = textToLabelGap;
 668
 669     //RenderLabelImages();
 670     RenderAllLabelImages();
 671 }
 672
 673 // event handlers
 674
 675 void wxNewBitmapButton::OnLButtonDown( wxMouseEvent& WXUNUSED(event) )
 676 {
 677     mDragStarted      = TRUE;
 678     mIsPressed        = TRUE;
 679     Refresh();
 680 }
 681
 682 void wxNewBitmapButton::OnLButtonUp( wxMouseEvent& event )
 683 {
 684     if ( !mDragStarted )
 685         return;
 686
 687     mDragStarted = FALSE;
 688     mIsPressed   = FALSE;
 689     Refresh();
 690
 691     if ( IsInWindow( event.m_x, event.m_y ) )
 692     {
 693         // fire event, if mouse was released
 694         // within the bounds of button
 695         wxCommandEvent cmd( mFiredEventType, GetId() );
 696         GetParent()->ProcessEvent( cmd );
 697     }
 698 }
 699
 700 bool wxNewBitmapButton::IsInWindow( int x, int y )
 701 {
 702     int width, height;
 703     GetSize( &width, &height );
 704
 705     return ( x >= 0 && y >= 0 &&
 706              x < width &&
 707              y < height );
 708 }
 709
 710 void wxNewBitmapButton::OnMouseEnter( wxMouseEvent& WXUNUSED(event) )
 711 {
 712     bool prevIsInFocus = mIsInFocus;
 713
 714     if ( !mIsInFocus )
 715     {
 716         mIsInFocus = TRUE;
 717     }
 718     if ( prevIsInFocus != mIsInFocus )
 719     {
 720         Refresh();
 721     }
 722 }
 723
 724 void wxNewBitmapButton::OnMouseLeave( wxMouseEvent& WXUNUSED(event) )
 725 {
 726     bool prevIsInFocus = mIsInFocus;
 727     bool prevIsPressed = mIsPressed;
 728     if ( mIsInFocus )
 729     {
 730         mIsInFocus = FALSE;
 731         mIsPressed = FALSE;
 732     }
 733     if ( prevIsInFocus != mIsInFocus || prevIsPressed != mIsPressed )
 734     {
 735         Refresh();
 736     }
 737 }
 738
 739 void wxNewBitmapButton::OnSize( wxSizeEvent& WXUNUSED(event) )
 740 {
 741         //Reshape();
 742 }
 743
 744 void wxNewBitmapButton::Reshape( )
 745 {
 746     bool wasCreated = mIsCreated;
 747     mIsCreated = TRUE;
 748
 749     if ( !wasCreated )
 750     {
 751         // in the case of loading button from stream, check if we
 752         // have non-empty image-file name, load if possible
 753
 754         if ( mImageFileName != wxT("") )
 755         {
 756             mDepressedBmp.LoadFile( mImageFileName, mImageFileType );
 757
 758             //wxMessageBox("Image Loaded!!!");
 759         }
 760
 761         //RenderLabelImages();
 762         RenderAllLabelImages();
 763
 764         wxBitmap* pCurImg = GetStateLabel();
 765
 766         int w = pCurImg->GetWidth(),
 767             h = pCurImg->GetHeight();
 768
 769         SetSize( 0,0, w + mMarginX*2, h + mMarginY*2 , 0 );
 770     }
 771 }
 772
 773 void wxNewBitmapButton::DrawLabel( wxDC& dc )
 774 {
 775     wxBitmap* pCurBmp = GetStateLabel();
 776
 777     if ( pCurBmp == NULL )
 778     {
 779         wxSizeEvent evt;
 780         OnSize( evt ); // fake it up!
 781
 782         //RenderLabelImages();
 783         pCurBmp = GetStateLabel();
 784     }
 785
 786     wxMemoryDC mdc;
 787     mdc.SelectObject( *pCurBmp );
 788
 789     dc.Blit( mMarginX, mMarginY,
 790              pCurBmp->GetWidth(),
 791              pCurBmp->GetHeight(),
 792              &mdc, 0,0, wxCOPY
 793            );
 794
 795     mdc.SelectObject( wxNullBitmap );
 796 }
 797
 798 void wxNewBitmapButton::OnPaint( wxPaintEvent& WXUNUSED(event) )
 799 {
 800     wxPaintDC dc(this);
 801
 802     // first, make sure images for current state are prepared
 803     //RenderLabelImages();
 804
 805     DrawLabel( dc );
 806
 807     DrawDecorations( dc );
 808 }
 809
 810 void wxNewBitmapButton::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
 811 {
 812     // do nothing
 813 }
 814
 815 void wxNewBitmapButton::OnKillFocus( wxFocusEvent& WXUNUSED(event) )
 816 {
 817     // useless
 818
 819     wxMessageBox(wxT("kill-focus for button!"));
 820 }
 821
 822 // ----------------------------------------------------------------------------
 823 // UI updates
 824 // ----------------------------------------------------------------------------
 825
 826 void wxNewBitmapButton::OnIdle(wxIdleEvent& event)
 827 {
 828     DoButtonUpdate();
 829
 830     event.Skip();
 831 }
 832
 833 // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
 834 void wxNewBitmapButton::DoButtonUpdate()
 835 {
 836     wxUpdateUIEvent event(GetId());
 837     event.SetEventObject(this);
 838
 839     if ( GetParent()->ProcessEvent(event) )
 840     {
 841         if ( event.GetSetEnabled() )
 842         {
 843             bool enabled = event.GetEnabled();
 844             if ( enabled != IsEnabled() )
 845                 Enable( enabled );
 846         }
 847         if ( event.GetSetChecked() )
 848             Toggle( event.GetChecked() );
 849     }
 850 }