src/common/gdicmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/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 __VMS
  13 #define XtDisplay XTDISPLAY
  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 #include "wx/gdicmn.h"
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/log.h"
  27     #include "wx/event.h"
  28     #include "wx/app.h"
  29     #include "wx/utils.h"
  30     #include "wx/dc.h"
  31     #include "wx/pen.h"
  32     #include "wx/brush.h"
  33     #include "wx/palette.h"
  34     #include "wx/icon.h"
  35     #include "wx/cursor.h"
  36     #include "wx/settings.h"
  37 #endif
  38
  39 #include "wx/bitmap.h"
  40 #include "wx/font.h"
  41 #include "wx/hashmap.h"
  42
  43 #include <string.h>
  44
  45 #ifdef __WXMOTIF__
  46 #ifdef __VMS__
  47 #pragma message disable nosimpint
  48 #endif
  49 #include <Xm/Xm.h>
  50 #ifdef __VMS__
  51 #pragma message enable nosimpint
  52 #endif
  53 #endif
  54
  55 #ifdef __WXX11__
  56 #include "X11/Xlib.h"
  57 #endif
  58
  59 #if wxUSE_EXTENDED_RTTI
  60
  61 // wxPoint
  62
  63 template<> void wxStringReadValue(const wxString &s , wxPoint &data )
  64 {
  65     wxSscanf(s, wxT("%d,%d"), &data.x , &data.y ) ;
  66 }
  67
  68 template<> void wxStringWriteValue(wxString &s , const wxPoint &data )
  69 {
  70     s = wxString::Format(wxT("%d,%d"), data.x , data.y ) ;
  71 }
  72
  73 wxCUSTOM_TYPE_INFO(wxPoint, wxToStringConverter<wxPoint> , wxFromStringConverter<wxPoint>)
  74
  75 template<> void wxStringReadValue(const wxString &s , wxSize &data )
  76 {
  77     wxSscanf(s, wxT("%d,%d"), &data.x , &data.y ) ;
  78 }
  79
  80 template<> void wxStringWriteValue(wxString &s , const wxSize &data )
  81 {
  82     s = wxString::Format(wxT("%d,%d"), data.x , data.y ) ;
  83 }
  84
  85 wxCUSTOM_TYPE_INFO(wxSize, wxToStringConverter<wxSize> , wxFromStringConverter<wxSize>)
  86
  87 #endif
  88
  89 IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
  90
  91 wxRect::wxRect(const wxPoint& point1, const wxPoint& point2)
  92 {
  93     x = point1.x;
  94     y = point1.y;
  95     width = point2.x - point1.x;
  96     height = point2.y - point1.y;
  97
  98     if (width < 0)
  99     {
 100         width = -width;
 101         x = point2.x;
 102     }
 103     width++;
 104
 105     if (height < 0)
 106     {
 107         height = -height;
 108         y = point2.y;
 109     }
 110     height++;
 111 }
 112
 113 bool wxRect::operator==(const wxRect& rect) const
 114 {
 115     return ((x == rect.x) &&
 116             (y == rect.y) &&
 117             (width == rect.width) &&
 118             (height == rect.height));
 119 }
 120
 121 wxRect wxRect::operator+(const wxRect& rect) const
 122 {
 123     int x1 = wxMin(this->x, rect.x);
 124     int y1 = wxMin(this->y, rect.y);
 125     int y2 = wxMax(y+height, rect.height+rect.y);
 126     int x2 = wxMax(x+width, rect.width+rect.x);
 127     return wxRect(x1, y1, x2-x1, y2-y1);
 128 }
 129
 130 wxRect& wxRect::Union(const wxRect& rect)
 131 {
 132     // ignore empty rectangles: union with an empty rectangle shouldn't extend
 133     // this one to (0, 0)
 134     if ( !width || !height )
 135     {
 136         *this = rect;
 137     }
 138     else if ( rect.width && rect.height )
 139     {
 140         int x1 = wxMin(x, rect.x);
 141         int y1 = wxMin(y, rect.y);
 142         int y2 = wxMax(y + height, rect.height + rect.y);
 143         int x2 = wxMax(x + width, rect.width + rect.x);
 144
 145         x = x1;
 146         y = y1;
 147         width = x2 - x1;
 148         height = y2 - y1;
 149     }
 150     //else: we're not empty and rect is empty
 151
 152     return *this;
 153 }
 154
 155 wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
 156 {
 157      if (-2*dx>width)
 158      {
 159          // Don't allow deflate to eat more width than we have,
 160          // a well-defined rectangle cannot have negative width.
 161          x+=width/2;
 162          width=0;
 163      }
 164      else
 165      {
 166          // The inflate is valid.
 167          x-=dx;
 168          width+=2*dx;
 169      }
 170
 171      if (-2*dy>height)
 172      {
 173          // Don't allow deflate to eat more height than we have,
 174          // a well-defined rectangle cannot have negative height.
 175          y+=height/2;
 176          height=0;
 177      }
 178      else
 179      {
 180          // The inflate is valid.
 181          y-=dy;
 182          height+=2*dy;
 183      }
 184
 185     return *this;
 186 }
 187
 188 bool wxRect::Inside(int cx, int cy) const
 189 {
 190     return ( (cx >= x) && (cy >= y)
 191           && ((cy - y) < height)
 192           && ((cx - x) < width)
 193           );
 194 }
 195
 196 wxRect& wxRect::Intersect(const wxRect& rect)
 197 {
 198     int x2 = GetRight(),
 199         y2 = GetBottom();
 200
 201     if ( x < rect.x )
 202         x = rect.x;
 203     if ( y < rect.y )
 204         y = rect.y;
 205     if ( x2 > rect.GetRight() )
 206         x2 = rect.GetRight();
 207     if ( y2 > rect.GetBottom() )
 208         y2 = rect.GetBottom();
 209
 210     width = x2 - x + 1;
 211     height = y2 - y + 1;
 212
 213     if ( width <= 0 || height <= 0 )
 214     {
 215         width =
 216         height = 0;
 217     }
 218
 219     return *this;
 220 }
 221
 222 bool wxRect::Intersects(const wxRect& rect) const
 223 {
 224     wxRect r = Intersect(rect);
 225
 226     // if there is no intersection, both width and height are 0
 227     return r.width != 0;
 228 }
 229
 230 // ============================================================================
 231 // wxColourDatabase
 232 // ============================================================================
 233
 234 // ----------------------------------------------------------------------------
 235 // wxColourDatabase ctor/dtor
 236 // ----------------------------------------------------------------------------
 237
 238 wxColourDatabase::wxColourDatabase ()
 239 {
 240     // will be created on demand in Initialize()
 241     m_map = NULL;
 242 }
 243
 244 wxColourDatabase::~wxColourDatabase ()
 245 {
 246     if ( m_map )
 247     {
 248         WX_CLEAR_HASH_MAP(wxStringToColourHashMap, *m_map);
 249
 250         delete m_map;
 251     }
 252
 253 #ifdef __WXPM__
 254     delete [] m_palTable;
 255 #endif
 256 }
 257
 258 // Colour database stuff
 259 void wxColourDatabase::Initialize()
 260 {
 261     if ( m_map )
 262     {
 263         // already initialized
 264         return;
 265     }
 266
 267     m_map = new wxStringToColourHashMap;
 268
 269     static const struct wxColourDesc
 270     {
 271         const wxChar *name;
 272         unsigned char r,g,b;
 273     }
 274     wxColourTable[] =
 275     {
 276         {wxT("AQUAMARINE"),112, 219, 147},
 277         {wxT("BLACK"),0, 0, 0},
 278         {wxT("BLUE"), 0, 0, 255},
 279         {wxT("BLUE VIOLET"), 159, 95, 159},
 280         {wxT("BROWN"), 165, 42, 42},
 281         {wxT("CADET BLUE"), 95, 159, 159},
 282         {wxT("CORAL"), 255, 127, 0},
 283         {wxT("CORNFLOWER BLUE"), 66, 66, 111},
 284         {wxT("CYAN"), 0, 255, 255},
 285         {wxT("DARK GREY"), 47, 47, 47},   // ?
 286
 287         {wxT("DARK GREEN"), 47, 79, 47},
 288         {wxT("DARK OLIVE GREEN"), 79, 79, 47},
 289         {wxT("DARK ORCHID"), 153, 50, 204},
 290         {wxT("DARK SLATE BLUE"), 107, 35, 142},
 291         {wxT("DARK SLATE GREY"), 47, 79, 79},
 292         {wxT("DARK TURQUOISE"), 112, 147, 219},
 293         {wxT("DIM GREY"), 84, 84, 84},
 294         {wxT("FIREBRICK"), 142, 35, 35},
 295         {wxT("FOREST GREEN"), 35, 142, 35},
 296         {wxT("GOLD"), 204, 127, 50},
 297         {wxT("GOLDENROD"), 219, 219, 112},
 298         {wxT("GREY"), 128, 128, 128},
 299         {wxT("GREEN"), 0, 255, 0},
 300         {wxT("GREEN YELLOW"), 147, 219, 112},
 301         {wxT("INDIAN RED"), 79, 47, 47},
 302         {wxT("KHAKI"), 159, 159, 95},
 303         {wxT("LIGHT BLUE"), 191, 216, 216},
 304         {wxT("LIGHT GREY"), 192, 192, 192},
 305         {wxT("LIGHT STEEL BLUE"), 143, 143, 188},
 306         {wxT("LIME GREEN"), 50, 204, 50},
 307         {wxT("LIGHT MAGENTA"), 255, 0, 255},
 308         {wxT("MAGENTA"), 255, 0, 255},
 309         {wxT("MAROON"), 142, 35, 107},
 310         {wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
 311         {wxT("MEDIUM GREY"), 100, 100, 100},
 312         {wxT("MEDIUM BLUE"), 50, 50, 204},
 313         {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 314         {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 315         {wxT("MEDIUM ORCHID"), 147, 112, 219},
 316         {wxT("MEDIUM SEA GREEN"), 66, 111, 66},
 317         {wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
 318         {wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
 319         {wxT("MEDIUM TURQUOISE"), 112, 219, 219},
 320         {wxT("MEDIUM VIOLET RED"), 219, 112, 147},
 321         {wxT("MIDNIGHT BLUE"), 47, 47, 79},
 322         {wxT("NAVY"), 35, 35, 142},
 323         {wxT("ORANGE"), 204, 50, 50},
 324         {wxT("ORANGE RED"), 255, 0, 127},
 325         {wxT("ORCHID"), 219, 112, 219},
 326         {wxT("PALE GREEN"), 143, 188, 143},
 327         {wxT("PINK"), 188, 143, 234},
 328         {wxT("PLUM"), 234, 173, 234},
 329         {wxT("PURPLE"), 176, 0, 255},
 330         {wxT("RED"), 255, 0, 0},
 331         {wxT("SALMON"), 111, 66, 66},
 332         {wxT("SEA GREEN"), 35, 142, 107},
 333         {wxT("SIENNA"), 142, 107, 35},
 334         {wxT("SKY BLUE"), 50, 153, 204},
 335         {wxT("SLATE BLUE"), 0, 127, 255},
 336         {wxT("SPRING GREEN"), 0, 255, 127},
 337         {wxT("STEEL BLUE"), 35, 107, 142},
 338         {wxT("TAN"), 219, 147, 112},
 339         {wxT("THISTLE"), 216, 191, 216},
 340         {wxT("TURQUOISE"), 173, 234, 234},
 341         {wxT("VIOLET"), 79, 47, 79},
 342         {wxT("VIOLET RED"), 204, 50, 153},
 343         {wxT("WHEAT"), 216, 216, 191},
 344         {wxT("WHITE"), 255, 255, 255},
 345         {wxT("YELLOW"), 255, 255, 0},
 346         {wxT("YELLOW GREEN"), 153, 204, 50}
 347     };
 348
 349     size_t n;
 350
 351     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 352     {
 353         const wxColourDesc& cc = wxColourTable[n];
 354         (*m_map)[cc.name] = new wxColour(cc.r, cc.g, cc.b);
 355     }
 356
 357 #ifdef __WXPM__
 358     m_palTable = new long[n];
 359     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 360     {
 361         const wxColourDesc& cc = wxColourTable[n];
 362         m_palTable[n] = OS2RGB(cc.r,cc.g,cc.b);
 363     }
 364     m_nSize = n;
 365 #endif
 366 }
 367
 368 // ----------------------------------------------------------------------------
 369 // wxColourDatabase operations
 370 // ----------------------------------------------------------------------------
 371
 372 void wxColourDatabase::AddColour(const wxString& name, const wxColour& colour)
 373 {
 374     Initialize();
 375
 376     // canonicalize the colour names before using them as keys: they should be
 377     // in upper case
 378     wxString colName = name;
 379     colName.MakeUpper();
 380
 381     // ... and we also allow both grey/gray
 382     wxString colNameAlt = colName;
 383     if ( !colNameAlt.Replace(_T("GRAY"), _T("GREY")) )
 384     {
 385         // but in this case it is not necessary so avoid extra search below
 386         colNameAlt.clear();
 387     }
 388
 389     wxStringToColourHashMap::iterator it = m_map->find(colName);
 390     if ( it == m_map->end() && !colNameAlt.empty() )
 391         it = m_map->find(colNameAlt);
 392     if ( it != m_map->end() )
 393     {
 394         *(it->second) = colour;
 395     }
 396     else // new colour
 397     {
 398         (*m_map)[colName] = new wxColour(colour);
 399     }
 400 }
 401
 402 wxColour wxColourDatabase::Find(const wxString& colour) const
 403 {
 404     wxColourDatabase * const self = wxConstCast(this, wxColourDatabase);
 405     self->Initialize();
 406
 407     // make the comparaison case insensitive and also match both grey and gray
 408     wxString colName = colour;
 409     colName.MakeUpper();
 410     wxString colNameAlt = colName;
 411     if ( !colNameAlt.Replace(_T("GRAY"), _T("GREY")) )
 412         colNameAlt.clear();
 413
 414     wxStringToColourHashMap::iterator it = m_map->find(colName);
 415     if ( it == m_map->end() && !colNameAlt.empty() )
 416         it = m_map->find(colNameAlt);
 417     if ( it != m_map->end() )
 418         return *(it->second);
 419
 420     // we did not find any result in existing colours:
 421     // we won't use wxString -> wxColour conversion because the
 422     // wxColour::Set(const wxString &) function which does that conversion
 423     // internally uses this function (wxColourDatabase::Find) and we want
 424     // to avoid infinite recursion !
 425     return wxNullColour;
 426 }
 427
 428 wxString wxColourDatabase::FindName(const wxColour& colour) const
 429 {
 430     wxColourDatabase * const self = wxConstCast(this, wxColourDatabase);
 431     self->Initialize();
 432
 433     typedef wxStringToColourHashMap::iterator iterator;
 434
 435     for ( iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
 436     {
 437         if ( *(it->second) == colour )
 438             return it->first;
 439     }
 440
 441     return wxEmptyString;
 442 }
 443
 444 // ----------------------------------------------------------------------------
 445 // deprecated wxColourDatabase methods
 446 // ----------------------------------------------------------------------------
 447
 448 #if WXWIN_COMPATIBILITY_2_6
 449 wxColour *wxColourDatabase::FindColour(const wxString& name)
 450 {
 451     // This function is deprecated, use Find() instead.
 452     // Formerly this function sometimes would return a deletable pointer and
 453     // sometimes a non-deletable one (when returning a colour from the database).
 454     // Trying to delete the latter anyway results in problems, so probably
 455     // nobody ever freed the pointers. Currently it always returns a new
 456     // instance, which means there will be memory leaks.
 457     wxLogDebug(wxT("wxColourDataBase::FindColour():")
 458         wxT(" Please use wxColourDataBase::Find() instead"));
 459
 460     // using a static variable here is not the most elegant solution but unless
 461     // we want to make wxStringToColourHashMap public (i.e. move it to the
 462     // header) so that we could have a member function returning
 463     // wxStringToColourHashMap::iterator, there is really no good way to do it
 464     // otherwise
 465     //
 466     // and knowing that this function is going to disappear in the next release
 467     // anyhow I don't want to waste time on this
 468
 469     static wxColour s_col;
 470
 471     s_col = Find(name);
 472     if ( !s_col.Ok() )
 473         return NULL;
 474
 475     return new wxColour(s_col);
 476 }
 477 #endif // WXWIN_COMPATIBILITY_2_6
 478
 479 // ============================================================================
 480 // stock objects
 481 // ============================================================================
 482
 483 static wxStockGDI gs_wxStockGDI_instance;
 484 wxStockGDI* wxStockGDI::ms_instance = &gs_wxStockGDI_instance;
 485 wxObject* wxStockGDI::ms_stockObject[ITEMCOUNT];
 486
 487 wxStockGDI::wxStockGDI()
 488 {
 489 }
 490
 491 wxStockGDI::~wxStockGDI()
 492 {
 493 }
 494
 495 void wxStockGDI::DeleteAll()
 496 {
 497     for (unsigned i = 0; i < ITEMCOUNT; i++)
 498     {
 499         delete ms_stockObject[i];
 500         ms_stockObject[i] = NULL;
 501     }
 502 }
 503
 504 const wxBrush* wxStockGDI::GetBrush(Item item)
 505 {
 506     wxBrush* brush = wx_static_cast(wxBrush*, ms_stockObject[item]);
 507     if (brush == NULL)
 508     {
 509         switch (item)
 510         {
 511         case BRUSH_BLACK:
 512             brush = new wxBrush(*GetColour(COLOUR_BLACK), wxSOLID);
 513             break;
 514         case BRUSH_BLUE:
 515             brush = new wxBrush(*GetColour(COLOUR_BLUE), wxSOLID);
 516             break;
 517         case BRUSH_CYAN:
 518             brush = new wxBrush(*GetColour(COLOUR_CYAN), wxSOLID);
 519             break;
 520         case BRUSH_GREEN:
 521             brush = new wxBrush(*GetColour(COLOUR_GREEN), wxSOLID);
 522             break;
 523         case BRUSH_GREY:
 524             brush = new wxBrush(wxColour(wxT("GREY")), wxSOLID);
 525             break;
 526         case BRUSH_LIGHTGREY:
 527             brush = new wxBrush(*GetColour(COLOUR_LIGHTGREY), wxSOLID);
 528             break;
 529         case BRUSH_MEDIUMGREY:
 530             brush = new wxBrush(wxColour(wxT("MEDIUM GREY")), wxSOLID);
 531             break;
 532         case BRUSH_RED:
 533             brush = new wxBrush(*GetColour(COLOUR_RED), wxSOLID);
 534             break;
 535         case BRUSH_TRANSPARENT:
 536             brush = new wxBrush(*GetColour(COLOUR_BLACK), wxTRANSPARENT);
 537             break;
 538         case BRUSH_WHITE:
 539             brush = new wxBrush(*GetColour(COLOUR_WHITE), wxSOLID);
 540             break;
 541         default:
 542             wxFAIL;
 543         }
 544         ms_stockObject[item] = brush;
 545     }
 546     return brush;
 547 }
 548
 549 const wxColour* wxStockGDI::GetColour(Item item)
 550 {
 551     wxColour* colour = wx_static_cast(wxColour*, ms_stockObject[item]);
 552     if (colour == NULL)
 553     {
 554         switch (item)
 555         {
 556         case COLOUR_BLACK:
 557             colour = new wxColour(0, 0, 0);
 558             break;
 559         case COLOUR_BLUE:
 560             colour = new wxColour(0, 0, 255);
 561             break;
 562         case COLOUR_CYAN:
 563             colour = new wxColour(wxT("CYAN"));
 564             break;
 565         case COLOUR_GREEN:
 566             colour = new wxColour(0, 255, 0);
 567             break;
 568         case COLOUR_LIGHTGREY:
 569             colour = new wxColour(wxT("LIGHT GREY"));
 570             break;
 571         case COLOUR_RED:
 572             colour = new wxColour(255, 0, 0);
 573             break;
 574         case COLOUR_WHITE:
 575             colour = new wxColour(255, 255, 255);
 576             break;
 577         default:
 578             wxFAIL;
 579         }
 580         ms_stockObject[item] = colour;
 581     }
 582     return colour;
 583 }
 584
 585 const wxCursor* wxStockGDI::GetCursor(Item item)
 586 {
 587     wxCursor* cursor = wx_static_cast(wxCursor*, ms_stockObject[item]);
 588     if (cursor == NULL)
 589     {
 590         switch (item)
 591         {
 592         case CURSOR_CROSS:
 593             cursor = new wxCursor(wxCURSOR_CROSS);
 594             break;
 595         case CURSOR_HOURGLASS:
 596             cursor = new wxCursor(wxCURSOR_WAIT);
 597             break;
 598         case CURSOR_STANDARD:
 599             cursor = new wxCursor(wxCURSOR_ARROW);
 600             break;
 601         default:
 602             wxFAIL;
 603         }
 604         ms_stockObject[item] = cursor;
 605     }
 606     return cursor;
 607 }
 608
 609 const wxFont* wxStockGDI::GetFont(Item item)
 610 {
 611     wxFont* font = wx_static_cast(wxFont*, ms_stockObject[item]);
 612     if (font == NULL)
 613     {
 614         switch (item)
 615         {
 616         case FONT_ITALIC:
 617             font = new wxFont(GetFont(FONT_NORMAL)->GetPointSize(), wxROMAN, wxITALIC, wxNORMAL);
 618             break;
 619         case FONT_NORMAL:
 620             font = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 621             break;
 622         case FONT_SMALL:
 623             font = new wxFont(GetFont(FONT_NORMAL)->GetPointSize() - 2, wxSWISS, wxNORMAL, wxNORMAL);
 624             break;
 625         case FONT_SWISS:
 626             font = new wxFont(GetFont(FONT_NORMAL)->GetPointSize(), wxSWISS, wxNORMAL, wxNORMAL);
 627             break;
 628         default:
 629             wxFAIL;
 630         }
 631         ms_stockObject[item] = font;
 632     }
 633     return font;
 634 }
 635
 636 const wxPen* wxStockGDI::GetPen(Item item)
 637 {
 638     wxPen* pen = wx_static_cast(wxPen*, ms_stockObject[item]);
 639     if (pen == NULL)
 640     {
 641         switch (item)
 642         {
 643         case PEN_BLACK:
 644             pen = new wxPen(*GetColour(COLOUR_BLACK), 1, wxSOLID);
 645             break;
 646         case PEN_BLACKDASHED:
 647             pen = new wxPen(*GetColour(COLOUR_BLACK), 1, wxSHORT_DASH);
 648             break;
 649         case PEN_CYAN:
 650             pen = new wxPen(*GetColour(COLOUR_CYAN), 1, wxSOLID);
 651             break;
 652         case PEN_GREEN:
 653             pen = new wxPen(*GetColour(COLOUR_GREEN), 1, wxSOLID);
 654             break;
 655         case PEN_GREY:
 656             pen = new wxPen(wxColour(wxT("GREY")), 1, wxSOLID);
 657             break;
 658         case PEN_LIGHTGREY:
 659             pen = new wxPen(*GetColour(COLOUR_LIGHTGREY), 1, wxSOLID);
 660             break;
 661         case PEN_MEDIUMGREY:
 662             pen = new wxPen(wxColour(wxT("MEDIUM GREY")), 1, wxSOLID);
 663             break;
 664         case PEN_RED:
 665             pen = new wxPen(*GetColour(COLOUR_RED), 1, wxSOLID);
 666             break;
 667         case PEN_TRANSPARENT:
 668             pen = new wxPen(*GetColour(COLOUR_BLACK), 1, wxTRANSPARENT);
 669             break;
 670         case PEN_WHITE:
 671             pen = new wxPen(*GetColour(COLOUR_WHITE), 1, wxSOLID);
 672             break;
 673         default:
 674             wxFAIL;
 675         }
 676         ms_stockObject[item] = pen;
 677     }
 678     return pen;
 679 }
 680
 681 void wxInitializeStockLists()
 682 {
 683     wxTheColourDatabase = new wxColourDatabase;
 684
 685     wxTheBrushList = new wxBrushList;
 686     wxThePenList = new wxPenList;
 687     wxTheFontList = new wxFontList;
 688 }
 689
 690 void wxDeleteStockLists()
 691 {
 692     wxDELETE(wxTheBrushList);
 693     wxDELETE(wxThePenList);
 694     wxDELETE(wxTheFontList);
 695 }
 696
 697 // ============================================================================
 698 // wxTheXXXList stuff (semi-obsolete)
 699 // ============================================================================
 700
 701 wxGDIObjListBase::wxGDIObjListBase()
 702 {
 703 }
 704
 705 wxGDIObjListBase::~wxGDIObjListBase()
 706 {
 707     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 708     {
 709         delete wx_static_cast(wxObject*, node->GetData());
 710     }
 711 }
 712
 713 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 714 {
 715     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 716     {
 717         wxPen *each_pen = (wxPen *) node->GetData ();
 718         if (
 719                 each_pen->GetWidth () == width &&
 720                 each_pen->GetStyle () == style &&
 721                 each_pen->GetColour ().Red () == colour.Red () &&
 722                 each_pen->GetColour ().Green () == colour.Green () &&
 723                 each_pen->GetColour ().Blue () == colour.Blue ())
 724             return each_pen;
 725     }
 726
 727     wxPen* pen = NULL;
 728     wxPen penTmp(colour, width, style);
 729     if (penTmp.Ok())
 730     {
 731         pen = new wxPen(penTmp);
 732         list.Append(pen);
 733     }
 734
 735     return pen;
 736 }
 737
 738 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 739 {
 740     for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
 741     {
 742         wxBrush *each_brush = (wxBrush *) node->GetData ();
 743         if (
 744                 each_brush->GetStyle () == style &&
 745                 each_brush->GetColour ().Red () == colour.Red () &&
 746                 each_brush->GetColour ().Green () == colour.Green () &&
 747                 each_brush->GetColour ().Blue () == colour.Blue ())
 748             return each_brush;
 749     }
 750
 751     wxBrush* brush = NULL;
 752     wxBrush brushTmp(colour, style);
 753     if (brushTmp.Ok())
 754     {
 755         brush = new wxBrush(brushTmp);
 756         list.Append(brush);
 757     }
 758
 759     return brush;
 760 }
 761
 762 wxFont *wxFontList::FindOrCreateFont(int pointSize,
 763                                      int family,
 764                                      int style,
 765                                      int weight,
 766                                      bool underline,
 767                                      const wxString& facename,
 768                                      wxFontEncoding encoding)
 769 {
 770     wxFont *font;
 771     wxList::compatibility_iterator node;
 772     for (node = list.GetFirst(); node; node = node->GetNext())
 773     {
 774         font = (wxFont *)node->GetData();
 775         if (
 776              font->GetPointSize () == pointSize &&
 777              font->GetStyle () == style &&
 778              font->GetWeight () == weight &&
 779              font->GetUnderlined () == underline )
 780         {
 781             int fontFamily = font->GetFamily();
 782
 783 #if defined(__WXGTK__)
 784             // under GTK the default family is wxSWISS, so looking for a font
 785             // with wxDEFAULT family should return a wxSWISS one instead of
 786             // creating a new one
 787             bool same = (fontFamily == family) ||
 788                         (fontFamily == wxSWISS && family == wxDEFAULT);
 789 #else // !GTK
 790             // VZ: but why elsewhere do we require an exact match? mystery...
 791             bool same = fontFamily == family;
 792 #endif // GTK/!GTK
 793
 794             // empty facename matches anything at all: this is bad because
 795             // depending on which fonts are already created, we might get back
 796             // a different font if we create it with empty facename, but it is
 797             // still better than never matching anything in the cache at all
 798             // in this case
 799             if ( same && !facename.empty() )
 800             {
 801                 const wxString& fontFace = font->GetFaceName();
 802
 803                 // empty facename matches everything
 804                 same = !fontFace || fontFace == facename;
 805             }
 806
 807             if ( same && (encoding != wxFONTENCODING_DEFAULT) )
 808             {
 809                 // have to match the encoding too
 810                 same = font->GetEncoding() == encoding;
 811             }
 812
 813             if ( same )
 814             {
 815                 return font;
 816             }
 817         }
 818     }
 819
 820     // font not found, create the new one
 821     font = NULL;
 822     wxFont fontTmp(pointSize, family, style, weight, underline, facename, encoding);
 823     if (fontTmp.Ok())
 824     {
 825         font = new wxFont(fontTmp);
 826         list.Append(font);
 827     }
 828
 829     return font;
 830 }
 831
 832 #if WXWIN_COMPATIBILITY_2_6
 833 void wxBrushList::AddBrush(wxBrush*) { }
 834 void wxBrushList::RemoveBrush(wxBrush*) { }
 835 void wxFontList::AddFont(wxFont*) { }
 836 void wxFontList::RemoveFont(wxFont*) { }
 837 void wxPenList::AddPen(wxPen*) { }
 838 void wxPenList::RemovePen(wxPen*) { }
 839 #endif
 840
 841 wxSize wxGetDisplaySize()
 842 {
 843     int x, y;
 844     wxDisplaySize(& x, & y);
 845     return wxSize(x, y);
 846 }
 847
 848 wxRect wxGetClientDisplayRect()
 849 {
 850     int x, y, width, height;
 851     wxClientDisplayRect(&x, &y, &width, &height);  // call plat-specific version
 852     return wxRect(x, y, width, height);
 853 }
 854
 855 wxSize wxGetDisplaySizeMM()
 856 {
 857     int x, y;
 858     wxDisplaySizeMM(& x, & y);
 859     return wxSize(x, y);
 860 }
 861
 862 wxResourceCache::~wxResourceCache ()
 863 {
 864     wxList::compatibility_iterator node = GetFirst ();
 865     while (node) {
 866         wxObject *item = (wxObject *)node->GetData();
 867         delete item;
 868
 869         node = node->GetNext ();
 870     }
 871 }