src/common/gdicmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gdicmn.cpp
   3 // Purpose:     Common GDI classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "gdicmn.h"
  14 #endif
  15
  16 #ifdef __VMS
  17 #define XtDisplay XTDISPLAY
  18 #endif
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24 #pragma hdrstop
  25 #endif
  26
  27 #include "wx/event.h"
  28 #include "wx/gdicmn.h"
  29 #include "wx/brush.h"
  30 #include "wx/pen.h"
  31 #include "wx/bitmap.h"
  32 #include "wx/icon.h"
  33 #include "wx/cursor.h"
  34 #include "wx/font.h"
  35 #include "wx/palette.h"
  36 #include "wx/app.h"
  37 #include "wx/dc.h"
  38 #include "wx/utils.h"
  39 #include "wx/settings.h"
  40 #include "wx/hashmap.h"
  41
  42 #include "wx/log.h"
  43 #include <string.h>
  44
  45 #ifdef __WXMSW__
  46 #include "wx/msw/wrapwin.h"
  47 #endif
  48
  49 #ifdef __WXMOTIF__
  50 #ifdef __VMS__
  51 #pragma message disable nosimpint
  52 #endif
  53 #include <Xm/Xm.h>
  54 #ifdef __VMS__
  55 #pragma message enable nosimpint
  56 #endif
  57 #endif
  58
  59 #ifdef __WXX11__
  60 #include "X11/Xlib.h"
  61 #endif
  62
  63 #ifdef __WXMAC__
  64 #include "wx/mac/private.h"
  65 #include "wx/mac/uma.h"
  66 #endif
  67 //IMPLEMENT_CLASS(wxColourDatabase, wxList)
  68 //IMPLEMENT_DYNAMIC_CLASS(wxFontList, wxList)
  69 //IMPLEMENT_DYNAMIC_CLASS(wxPenList, wxList)
  70 //IMPLEMENT_DYNAMIC_CLASS(wxBrushList, wxList)
  71 //IMPLEMENT_DYNAMIC_CLASS(wxBitmapList, wxList)
  72 //IMPLEMENT_DYNAMIC_CLASS(wxResourceCache, wxList)
  73
  74 IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
  75
  76 wxRect::wxRect(const wxPoint& topLeft, const wxPoint& bottomRight)
  77 {
  78   x = topLeft.x;
  79   y = topLeft.y;
  80   width = bottomRight.x - topLeft.x + 1;
  81   height = bottomRight.y - topLeft.y + 1;
  82
  83   if (width < 0)
  84   {
  85     width = -width;
  86     x -= width;
  87   }
  88
  89   if (height < 0)
  90   {
  91     height = -height;
  92     y -= height;
  93   }
  94 }
  95
  96 wxRect::wxRect(const wxPoint& point, const wxSize& size)
  97 {
  98     x = point.x; y = point.y;
  99     width = size.x; height = size.y;
 100 }
 101
 102 bool wxRect::operator==(const wxRect& rect) const
 103 {
 104   return ((x == rect.x) &&
 105           (y == rect.y) &&
 106           (width == rect.width) &&
 107           (height == rect.height));
 108 }
 109
 110 wxRect& wxRect::operator += (const wxRect& rect)
 111 {
 112     *this = (*this + rect);
 113     return ( *this ) ;
 114 }
 115
 116 wxRect wxRect::operator + (const wxRect& rect) const
 117 {
 118     int x1 = wxMin(this->x, rect.x);
 119     int y1 = wxMin(this->y, rect.y);
 120     int y2 = wxMax(y+height, rect.height+rect.y);
 121     int x2 = wxMax(x+width, rect.width+rect.x);
 122     return wxRect(x1, y1, x2-x1, y2-y1);
 123 }
 124
 125 wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
 126 {
 127     x -= dx;
 128     y -= dy;
 129     width += 2*dx;
 130     height += 2*dy;
 131
 132     // check that we didn't make the rectangle invalid by accident (you almost
 133     // never want to have negative coords and never want negative size)
 134     if ( x < 0 )
 135         x = 0;
 136     if ( y < 0 )
 137         y = 0;
 138
 139     // what else can we do?
 140     if ( width < 0 )
 141         width = 0;
 142     if ( height < 0 )
 143         height = 0;
 144
 145     return *this;
 146 }
 147
 148 bool wxRect::Inside(int cx, int cy) const
 149 {
 150     return ( (cx >= x) && (cy >= y)
 151           && ((cy - y) < height)
 152           && ((cx - x) < width)
 153           );
 154 }
 155
 156 wxRect& wxRect::Intersect(const wxRect& rect)
 157 {
 158     int x2 = GetRight(),
 159         y2 = GetBottom();
 160
 161     if ( x < rect.x )
 162         x = rect.x;
 163     if ( y < rect.y )
 164         y = rect.y;
 165     if ( x2 > rect.GetRight() )
 166         x2 = rect.GetRight();
 167     if ( y2 > rect.GetBottom() )
 168         y2 = rect.GetBottom();
 169
 170     width = x2 - x + 1;
 171     height = y2 - y + 1;
 172
 173     if ( width <= 0 || height <= 0 )
 174     {
 175         width =
 176         height = 0;
 177     }
 178
 179     return *this;
 180 }
 181
 182 bool wxRect::Intersects(const wxRect& rect) const
 183 {
 184     wxRect r = Intersect(rect);
 185
 186     // if there is no intersection, both width and height are 0
 187     return r.width != 0;
 188 }
 189
 190 WX_DECLARE_STRING_HASH_MAP( wxColour*, wxStringToColourHashMap );
 191
 192 wxColourDatabase::wxColourDatabase ()
 193 {
 194     m_map = new wxStringToColourHashMap;
 195 }
 196
 197 wxColourDatabase::~wxColourDatabase ()
 198 {
 199     WX_CLEAR_HASH_MAP(wxStringToColourHashMap, *m_map);
 200
 201     delete m_map;
 202     m_map = NULL;
 203 #ifdef __WXPM__
 204     delete [] m_palTable;
 205 #endif
 206 }
 207
 208 // Colour database stuff
 209 void wxColourDatabase::Initialize ()
 210 {
 211     static const struct wxColourDesc
 212     {
 213         const wxChar *name;
 214         int r,g,b;
 215     }
 216     wxColourTable[] =
 217     {
 218         {wxT("AQUAMARINE"),112, 219, 147},
 219         {wxT("BLACK"),0, 0, 0},
 220         {wxT("BLUE"), 0, 0, 255},
 221         {wxT("BLUE VIOLET"), 159, 95, 159},
 222         {wxT("BROWN"), 165, 42, 42},
 223         {wxT("CADET BLUE"), 95, 159, 159},
 224         {wxT("CORAL"), 255, 127, 0},
 225         {wxT("CORNFLOWER BLUE"), 66, 66, 111},
 226         {wxT("CYAN"), 0, 255, 255},
 227         {wxT("DARK GREY"), 47, 47, 47},   // ?
 228
 229         {wxT("DARK GREEN"), 47, 79, 47},
 230         {wxT("DARK OLIVE GREEN"), 79, 79, 47},
 231         {wxT("DARK ORCHID"), 153, 50, 204},
 232         {wxT("DARK SLATE BLUE"), 107, 35, 142},
 233         {wxT("DARK SLATE GREY"), 47, 79, 79},
 234         {wxT("DARK TURQUOISE"), 112, 147, 219},
 235         {wxT("DIM GREY"), 84, 84, 84},
 236         {wxT("FIREBRICK"), 142, 35, 35},
 237         {wxT("FOREST GREEN"), 35, 142, 35},
 238         {wxT("GOLD"), 204, 127, 50},
 239         {wxT("GOLDENROD"), 219, 219, 112},
 240         {wxT("GREY"), 128, 128, 128},
 241         {wxT("GREEN"), 0, 255, 0},
 242         {wxT("GREEN YELLOW"), 147, 219, 112},
 243         {wxT("INDIAN RED"), 79, 47, 47},
 244         {wxT("KHAKI"), 159, 159, 95},
 245         {wxT("LIGHT BLUE"), 191, 216, 216},
 246         {wxT("LIGHT GREY"), 192, 192, 192},
 247         {wxT("LIGHT STEEL BLUE"), 143, 143, 188},
 248         {wxT("LIME GREEN"), 50, 204, 50},
 249         {wxT("LIGHT MAGENTA"), 255, 0, 255},
 250         {wxT("MAGENTA"), 255, 0, 255},
 251         {wxT("MAROON"), 142, 35, 107},
 252         {wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
 253         {wxT("MEDIUM GREY"), 100, 100, 100},
 254         {wxT("MEDIUM BLUE"), 50, 50, 204},
 255         {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 256         {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 257         {wxT("MEDIUM ORCHID"), 147, 112, 219},
 258         {wxT("MEDIUM SEA GREEN"), 66, 111, 66},
 259         {wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
 260         {wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
 261         {wxT("MEDIUM TURQUOISE"), 112, 219, 219},
 262         {wxT("MEDIUM VIOLET RED"), 219, 112, 147},
 263         {wxT("MIDNIGHT BLUE"), 47, 47, 79},
 264         {wxT("NAVY"), 35, 35, 142},
 265         {wxT("ORANGE"), 204, 50, 50},
 266         {wxT("ORANGE RED"), 255, 0, 127},
 267         {wxT("ORCHID"), 219, 112, 219},
 268         {wxT("PALE GREEN"), 143, 188, 143},
 269         {wxT("PINK"), 188, 143, 234},
 270         {wxT("PLUM"), 234, 173, 234},
 271         {wxT("PURPLE"), 176, 0, 255},
 272         {wxT("RED"), 255, 0, 0},
 273         {wxT("SALMON"), 111, 66, 66},
 274         {wxT("SEA GREEN"), 35, 142, 107},
 275         {wxT("SIENNA"), 142, 107, 35},
 276         {wxT("SKY BLUE"), 50, 153, 204},
 277         {wxT("SLATE BLUE"), 0, 127, 255},
 278         {wxT("SPRING GREEN"), 0, 255, 127},
 279         {wxT("STEEL BLUE"), 35, 107, 142},
 280         {wxT("TAN"), 219, 147, 112},
 281         {wxT("THISTLE"), 216, 191, 216},
 282         {wxT("TURQUOISE"), 173, 234, 234},
 283         {wxT("VIOLET"), 79, 47, 79},
 284         {wxT("VIOLET RED"), 204, 50, 153},
 285         {wxT("WHEAT"), 216, 216, 191},
 286         {wxT("WHITE"), 255, 255, 255},
 287         {wxT("YELLOW"), 255, 255, 0},
 288         {wxT("YELLOW GREEN"), 153, 204, 50},
 289         {wxT("YELLOW GREEN"), 153, 204, 50}
 290     };
 291
 292     size_t      n;
 293
 294     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 295     {
 296         const wxColourDesc& cc = wxColourTable[n];
 297         AddColour(cc.name, new wxColour(cc.r,cc.g,cc.b));
 298     }
 299 #ifdef __WXPM__
 300     m_palTable = new long[n];
 301     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 302     {
 303         const wxColourDesc& cc = wxColourTable[n];
 304         m_palTable[n] = OS2RGB(cc.r,cc.g,cc.b);
 305     }
 306     m_nSize = n;
 307 #endif
 308 }
 309
 310 /*
 311  * Changed by Ian Brown, July 1994.
 312  *
 313  * When running under X, the Colour Database starts off empty. The X server
 314  * is queried for the colour first time after which it is entered into the
 315  * database. This allows our client to use the server colour database which
 316  * is hopefully gamma corrected for the display being used.
 317  */
 318
 319 wxColour *wxColourDatabase::FindColour(const wxString& colour)
 320 {
 321     return FindColour(colour, true);
 322 }
 323
 324 wxColour *wxColourDatabase::FindColourNoAdd(const wxString& colour) const
 325 {
 326     return ((wxColourDatabase*)this)->FindColour(colour, false);
 327 }
 328
 329 void wxColourDatabase::AddColour (const wxString& name, wxColour* colour)
 330 {
 331     wxString colName = name;
 332     colName.MakeUpper();
 333     wxString colName2 = colName;
 334     if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
 335         colName2.clear();
 336
 337     wxStringToColourHashMap::iterator it = m_map->find(colName);
 338     if ( it == m_map->end() )
 339         it = m_map->find(colName2);
 340     if ( it != m_map->end() )
 341     {
 342         delete it->second;
 343         it->second = colour;
 344     }
 345
 346     (*m_map)[name] = colour;
 347 }
 348
 349 wxColour *wxColourDatabase::FindColour(const wxString& colour, bool add)
 350 {
 351     // VZ: make the comparaison case insensitive and also match both grey and
 352     //     gray
 353     wxString colName = colour;
 354     colName.MakeUpper();
 355     wxString colName2 = colName;
 356     if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
 357         colName2.clear();
 358
 359     wxStringToColourHashMap::iterator it = m_map->find(colName);
 360     if ( it == m_map->end() )
 361         it = m_map->find(colName2);
 362     if ( it != m_map->end() )
 363         return it->second;
 364
 365     if ( !add )
 366         return NULL;
 367
 368 #ifdef __WXMSW__
 369   return NULL;
 370 #endif
 371 #ifdef __WXPM__
 372   return NULL;
 373 #endif
 374 #ifdef __WXMGL__
 375   return NULL;
 376 #endif
 377
 378 // TODO for other implementations. This should really go into
 379 // platform-specific directories.
 380 #ifdef __WXMAC__
 381   return NULL;
 382 #endif
 383 #ifdef __WXCOCOA__
 384   return NULL;
 385 #endif
 386 #ifdef __WXSTUBS__
 387   return NULL;
 388 #endif
 389
 390 #ifdef __WXGTK__
 391   wxColour *col = new wxColour( colour );
 392
 393   if (!(col->Ok()))
 394   {
 395       delete col;
 396       return (wxColour *) NULL;
 397   }
 398   AddColour(colour, col);
 399   return col;
 400 #endif
 401
 402 #ifdef __X__
 403     XColor xcolour;
 404
 405 #ifdef __WXMOTIF__
 406     Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ;
 407 #endif
 408 #ifdef __WXX11__
 409     Display* display = (Display*) wxGetDisplay();
 410 #endif
 411     /* MATTHEW: [4] Use wxGetMainColormap */
 412     if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour.ToAscii() ,&xcolour))
 413       return NULL;
 414
 415 #if wxUSE_NANOX
 416     unsigned char r = (unsigned char)(xcolour.red);
 417     unsigned char g = (unsigned char)(xcolour.green);
 418     unsigned char b = (unsigned char)(xcolour.blue);
 419 #else
 420     unsigned char r = (unsigned char)(xcolour.red >> 8);
 421     unsigned char g = (unsigned char)(xcolour.green >> 8);
 422     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 423 #endif
 424
 425     wxColour *col = new wxColour(r, g, b);
 426     AddColour(colour, col);
 427
 428     return col;
 429 #endif // __X__
 430 }
 431
 432 wxString wxColourDatabase::FindName (const wxColour& colour) const
 433 {
 434     unsigned char red = colour.Red ();
 435     unsigned char green = colour.Green ();
 436     unsigned char blue = colour.Blue ();
 437
 438     typedef wxStringToColourHashMap::iterator iterator;
 439
 440     for (iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
 441     {
 442         wxColour *col = it->second;
 443
 444         if (col->Red () == red && col->Green () == green && col->Blue () == blue)
 445             return it->first;
 446     }
 447
 448     return wxEmptyString;
 449 }
 450
 451 void wxInitializeStockLists()
 452 {
 453     wxTheColourDatabase = new wxColourDatabase;
 454     wxTheColourDatabase->Initialize();
 455
 456     wxTheBrushList = new wxBrushList;
 457     wxThePenList = new wxPenList;
 458     wxTheFontList = new wxFontList;
 459     wxTheBitmapList = new wxBitmapList;
 460 }
 461
 462 void wxInitializeStockObjects ()
 463 {
 464 #ifdef __WXMOTIF__
 465 #endif
 466 #ifdef __X__
 467   // TODO
 468   //  wxFontPool = new XFontPool;
 469 #endif
 470
 471   // why under MSW fonts shouldn't have the standard system size?
 472 /*
 473 #ifdef __WXMSW__
 474   static const int sizeFont = 10;
 475 #else
 476 #endif
 477 */
 478 #if defined(__WXMAC__)
 479     int sizeFont = 12;
 480
 481     Str255 fontName ;
 482     SInt16 fontSize ;
 483     Style fontStyle ;
 484
 485         GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 486         sizeFont = fontSize ;
 487     wxSWISS_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal(fontName) );
 488 #elif defined(__WXPM__)
 489   static const int sizeFont = 12;
 490 #else
 491   wxNORMAL_FONT = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 492   static const int sizeFont = wxNORMAL_FONT->GetPointSize();
 493 #endif
 494
 495 #if defined(__WXPM__)
 496   /*
 497   // Basic OS/2 has a fairly limited number of fonts and these are as good
 498   // as I can do to get something that looks halfway "wx" normal
 499   */
 500   wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxBOLD);
 501   wxSMALL_FONT = new wxFont (sizeFont - 4, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 502   wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 503   wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 504 #elif defined(__WXMAC__)
 505     wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxNORMAL);
 506     wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 507         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 508     wxSMALL_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal( fontName ) );
 509 #else
 510   wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL);
 511   wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 512   wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL);
 513 #endif
 514
 515   wxRED_PEN = new wxPen (wxT("RED"), 1, wxSOLID);
 516   wxCYAN_PEN = new wxPen (wxT("CYAN"), 1, wxSOLID);
 517   wxGREEN_PEN = new wxPen (wxT("GREEN"), 1, wxSOLID);
 518   wxBLACK_PEN = new wxPen (wxT("BLACK"), 1, wxSOLID);
 519   wxWHITE_PEN = new wxPen (wxT("WHITE"), 1, wxSOLID);
 520   wxTRANSPARENT_PEN = new wxPen (wxT("BLACK"), 1, wxTRANSPARENT);
 521   wxBLACK_DASHED_PEN = new wxPen (wxT("BLACK"), 1, wxSHORT_DASH);
 522   wxGREY_PEN = new wxPen (wxT("GREY"), 1, wxSOLID);
 523   wxMEDIUM_GREY_PEN = new wxPen (wxT("MEDIUM GREY"), 1, wxSOLID);
 524   wxLIGHT_GREY_PEN = new wxPen (wxT("LIGHT GREY"), 1, wxSOLID);
 525
 526   wxBLUE_BRUSH = new wxBrush (wxT("BLUE"), wxSOLID);
 527   wxGREEN_BRUSH = new wxBrush (wxT("GREEN"), wxSOLID);
 528   wxWHITE_BRUSH = new wxBrush (wxT("WHITE"), wxSOLID);
 529   wxBLACK_BRUSH = new wxBrush (wxT("BLACK"), wxSOLID);
 530   wxTRANSPARENT_BRUSH = new wxBrush (wxT("BLACK"), wxTRANSPARENT);
 531   wxCYAN_BRUSH = new wxBrush (wxT("CYAN"), wxSOLID);
 532   wxRED_BRUSH = new wxBrush (wxT("RED"), wxSOLID);
 533   wxGREY_BRUSH = new wxBrush (wxT("GREY"), wxSOLID);
 534   wxMEDIUM_GREY_BRUSH = new wxBrush (wxT("MEDIUM GREY"), wxSOLID);
 535   wxLIGHT_GREY_BRUSH = new wxBrush (wxT("LIGHT GREY"), wxSOLID);
 536
 537   wxBLACK = new wxColour (wxT("BLACK"));
 538   wxWHITE = new wxColour (wxT("WHITE"));
 539   wxRED = new wxColour (wxT("RED"));
 540   wxBLUE = new wxColour (wxT("BLUE"));
 541   wxGREEN = new wxColour (wxT("GREEN"));
 542   wxCYAN = new wxColour (wxT("CYAN"));
 543   wxLIGHT_GREY = new wxColour (wxT("LIGHT GREY"));
 544
 545   wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 546   wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 547   wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 548 }
 549
 550 void wxDeleteStockObjects ()
 551 {
 552   wxDELETE(wxNORMAL_FONT);
 553   wxDELETE(wxSMALL_FONT);
 554   wxDELETE(wxITALIC_FONT);
 555   wxDELETE(wxSWISS_FONT);
 556
 557   wxDELETE(wxRED_PEN);
 558   wxDELETE(wxCYAN_PEN);
 559   wxDELETE(wxGREEN_PEN);
 560   wxDELETE(wxBLACK_PEN);
 561   wxDELETE(wxWHITE_PEN);
 562   wxDELETE(wxTRANSPARENT_PEN);
 563   wxDELETE(wxBLACK_DASHED_PEN);
 564   wxDELETE(wxGREY_PEN);
 565   wxDELETE(wxMEDIUM_GREY_PEN);
 566   wxDELETE(wxLIGHT_GREY_PEN);
 567
 568   wxDELETE(wxBLUE_BRUSH);
 569   wxDELETE(wxGREEN_BRUSH);
 570   wxDELETE(wxWHITE_BRUSH);
 571   wxDELETE(wxBLACK_BRUSH);
 572   wxDELETE(wxTRANSPARENT_BRUSH);
 573   wxDELETE(wxCYAN_BRUSH);
 574   wxDELETE(wxRED_BRUSH);
 575   wxDELETE(wxGREY_BRUSH);
 576   wxDELETE(wxMEDIUM_GREY_BRUSH);
 577   wxDELETE(wxLIGHT_GREY_BRUSH);
 578
 579   wxDELETE(wxBLACK);
 580   wxDELETE(wxWHITE);
 581   wxDELETE(wxRED);
 582   wxDELETE(wxBLUE);
 583   wxDELETE(wxGREEN);
 584   wxDELETE(wxCYAN);
 585   wxDELETE(wxLIGHT_GREY);
 586
 587   wxDELETE(wxSTANDARD_CURSOR);
 588   wxDELETE(wxHOURGLASS_CURSOR);
 589   wxDELETE(wxCROSS_CURSOR);
 590 }
 591
 592 void wxDeleteStockLists()
 593 {
 594   wxDELETE(wxTheBrushList);
 595   wxDELETE(wxThePenList);
 596   wxDELETE(wxTheFontList);
 597   wxDELETE(wxTheBitmapList);
 598 }
 599
 600 // ============================================================================
 601 // wxTheXXXList stuff (semi-obsolete)
 602 // ============================================================================
 603
 604 wxBitmapList::wxBitmapList()
 605 {
 606 }
 607
 608 wxBitmapList::~wxBitmapList ()
 609 {
 610   wxList::compatibility_iterator node = GetFirst ();
 611   while (node)
 612     {
 613       wxBitmap *bitmap = (wxBitmap *) node->GetData ();
 614       wxList::compatibility_iterator next = node->GetNext ();
 615       if (bitmap->GetVisible())
 616         delete bitmap;
 617       node = next;
 618     }
 619 }
 620
 621 // Pen and Brush lists
 622 wxPenList::~wxPenList ()
 623 {
 624   wxList::compatibility_iterator node = GetFirst ();
 625   while (node)
 626     {
 627       wxPen *pen = (wxPen *) node->GetData ();
 628       wxList::compatibility_iterator next = node->GetNext ();
 629       if (pen->GetVisible())
 630         delete pen;
 631       node = next;
 632     }
 633 }
 634
 635 void wxPenList::AddPen (wxPen * pen)
 636 {
 637   Append (pen);
 638 }
 639
 640 void wxPenList::RemovePen (wxPen * pen)
 641 {
 642   DeleteObject (pen);
 643 }
 644
 645 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 646 {
 647     for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
 648     {
 649         wxPen *each_pen = (wxPen *) node->GetData ();
 650         if (each_pen &&
 651                 each_pen->GetVisible() &&
 652                 each_pen->GetWidth () == width &&
 653                 each_pen->GetStyle () == style &&
 654                 each_pen->GetColour ().Red () == colour.Red () &&
 655                 each_pen->GetColour ().Green () == colour.Green () &&
 656                 each_pen->GetColour ().Blue () == colour.Blue ())
 657             return each_pen;
 658     }
 659
 660     wxPen *pen = new wxPen (colour, width, style);
 661     if ( !pen->Ok() )
 662     {
 663         // don't save the invalid pens in the list
 664         delete pen;
 665
 666         return NULL;
 667     }
 668
 669     AddPen(pen);
 670
 671     // we'll delete it ourselves later
 672     pen->SetVisible(TRUE);
 673
 674     return pen;
 675 }
 676
 677 wxBrushList::~wxBrushList ()
 678 {
 679   wxList::compatibility_iterator node = GetFirst ();
 680   while (node)
 681     {
 682       wxBrush *brush = (wxBrush *) node->GetData ();
 683       wxList::compatibility_iterator next = node->GetNext ();
 684       if (brush && brush->GetVisible())
 685         delete brush;
 686       node = next;
 687     }
 688 }
 689
 690 void wxBrushList::AddBrush (wxBrush * brush)
 691 {
 692   Append (brush);
 693 }
 694
 695 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 696 {
 697     for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
 698     {
 699         wxBrush *each_brush = (wxBrush *) node->GetData ();
 700         if (each_brush &&
 701                 each_brush->GetVisible() &&
 702                 each_brush->GetStyle () == style &&
 703                 each_brush->GetColour ().Red () == colour.Red () &&
 704                 each_brush->GetColour ().Green () == colour.Green () &&
 705                 each_brush->GetColour ().Blue () == colour.Blue ())
 706             return each_brush;
 707     }
 708
 709     wxBrush *brush = new wxBrush (colour, style);
 710
 711     if ( !brush->Ok() )
 712     {
 713         // don't put the brushes we failed to create into the list
 714         delete brush;
 715
 716         return NULL;
 717     }
 718
 719     AddBrush(brush);
 720
 721     // we'll delete it ourselves later
 722     brush->SetVisible(TRUE);
 723
 724     return brush;
 725 }
 726
 727 void wxBrushList::RemoveBrush (wxBrush * brush)
 728 {
 729   DeleteObject (brush);
 730 }
 731
 732 wxFontList::~wxFontList ()
 733 {
 734     wxList::compatibility_iterator node = GetFirst ();
 735     while (node)
 736     {
 737         // Only delete objects that are 'visible', i.e.
 738         // that have been created using FindOrCreate...,
 739         // where the pointers are expected to be shared
 740         // (and therefore not deleted by any one part of an app).
 741         wxFont *font = (wxFont *) node->GetData ();
 742         wxList::compatibility_iterator next = node->GetNext ();
 743         if (font->GetVisible())
 744             delete font;
 745         node = next;
 746     }
 747 }
 748
 749 void wxFontList::AddFont (wxFont * font)
 750 {
 751   Append (font);
 752 }
 753
 754 void wxFontList::RemoveFont (wxFont * font)
 755 {
 756   DeleteObject (font);
 757 }
 758
 759 wxFont *wxFontList::FindOrCreateFont(int pointSize,
 760                                      int family,
 761                                      int style,
 762                                      int weight,
 763                                      bool underline,
 764                                      const wxString& facename,
 765                                      wxFontEncoding encoding)
 766 {
 767     wxFont *font = (wxFont *)NULL;
 768     wxList::compatibility_iterator node;
 769     for ( node = GetFirst(); node; node = node->GetNext() )
 770     {
 771         font = (wxFont *)node->GetData();
 772         if ( font->GetVisible() &&
 773              font->Ok() &&
 774              font->GetPointSize () == pointSize &&
 775              font->GetStyle () == style &&
 776              font->GetWeight () == weight &&
 777              font->GetUnderlined () == underline )
 778         {
 779             int fontFamily = font->GetFamily();
 780
 781 #if defined(__WXGTK__)
 782             // under GTK the default family is wxSWISS, so looking for a font
 783             // with wxDEFAULT family should return a wxSWISS one instead of
 784             // creating a new one
 785             bool same = (fontFamily == family) ||
 786                         (fontFamily == wxSWISS && family == wxDEFAULT);
 787 #else // !GTK
 788             // VZ: but why elsewhere do we require an exact match? mystery...
 789             bool same = fontFamily == family;
 790 #endif // GTK/!GTK
 791
 792             // empty facename matches anything at all: this is bad because
 793             // depending on which fonts are already created, we might get back
 794             // a different font if we create it with empty facename, but it is
 795             // still better than never matching anything in the cache at all
 796             // in this case
 797             if ( same && !!facename )
 798             {
 799                 const wxString& fontFace = font->GetFaceName();
 800
 801                 // empty facename matches everything
 802                 same = !fontFace || fontFace == facename;
 803             }
 804
 805             if ( same && (encoding != wxFONTENCODING_DEFAULT) )
 806             {
 807                 // have to match the encoding too
 808                 same = font->GetEncoding() == encoding;
 809             }
 810
 811             if ( same )
 812             {
 813                 return font;
 814             }
 815         }
 816     }
 817
 818     if ( !node )
 819     {
 820         // font not found, create the new one
 821         font = new wxFont(pointSize, family, style, weight,
 822                           underline, facename, encoding);
 823
 824         AddFont(font);
 825
 826         // and mark it as being cacheable
 827         font->SetVisible(TRUE);
 828     }
 829
 830     return font;
 831 }
 832
 833 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 834 {
 835     Append(bitmap);
 836 }
 837
 838 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 839 {
 840     DeleteObject(bitmap);
 841 }
 842
 843 wxSize wxGetDisplaySize()
 844 {
 845     int x, y;
 846     wxDisplaySize(& x, & y);
 847     return wxSize(x, y);
 848 }
 849
 850 wxRect wxGetClientDisplayRect()
 851 {
 852     int x, y, width, height;
 853     wxClientDisplayRect(&x, &y, &width, &height);  // call plat-specific version
 854     return wxRect(x, y, width, height);
 855 }
 856
 857 wxSize wxGetDisplaySizeMM()
 858 {
 859     int x, y;
 860     wxDisplaySizeMM(& x, & y);
 861     return wxSize(x, y);
 862 }
 863
 864 wxResourceCache::~wxResourceCache ()
 865 {
 866     wxList::compatibility_iterator node = GetFirst ();
 867     while (node) {
 868         wxObject *item = (wxObject *)node->GetData();
 869         delete item;
 870
 871         node = node->GetNext ();
 872     }
 873 }
 874