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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #if defined(__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
  68 #if wxUSE_EXTENDED_RTTI
  69
  70 // wxPoint
  71
  72 template<> void wxStringReadValue(const wxString &s , wxPoint &data )
  73 {
  74     wxSscanf(s, wxT("%d,%d"), &data.x , &data.y ) ;
  75 }
  76
  77 template<> void wxStringWriteValue(wxString &s , const wxPoint &data )
  78 {
  79     s = wxString::Format(wxT("%d,%d"), data.x , data.y ) ;
  80 }
  81
  82 wxCUSTOM_TYPE_INFO(wxPoint, wxToStringConverter<wxPoint> , wxFromStringConverter<wxPoint>)
  83
  84 template<> void wxStringReadValue(const wxString &s , wxSize &data )
  85 {
  86     wxSscanf(s, wxT("%d,%d"), &data.x , &data.y ) ;
  87 }
  88
  89 template<> void wxStringWriteValue(wxString &s , const wxSize &data )
  90 {
  91     s = wxString::Format(wxT("%d,%d"), data.x , data.y ) ;
  92 }
  93
  94 wxCUSTOM_TYPE_INFO(wxSize, wxToStringConverter<wxSize> , wxFromStringConverter<wxSize>)
  95
  96 #endif
  97
  98 IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
  99
 100 wxRect::wxRect(const wxPoint& point1, const wxPoint& point2)
 101 {
 102     x = point1.x;
 103     y = point1.y;
 104     width = point2.x - point1.x;
 105     height = point2.y - point1.y;
 106
 107     if (width < 0)
 108     {
 109         width = -width;
 110         x = point2.x;
 111     }
 112     width++;
 113
 114     if (height < 0)
 115     {
 116         height = -height;
 117         y = point2.y;
 118     }
 119     height++;
 120 }
 121
 122 bool wxRect::operator==(const wxRect& rect) const
 123 {
 124     return ((x == rect.x) &&
 125             (y == rect.y) &&
 126             (width == rect.width) &&
 127             (height == rect.height));
 128 }
 129
 130 wxRect wxRect::operator+(const wxRect& rect) const
 131 {
 132     int x1 = wxMin(this->x, rect.x);
 133     int y1 = wxMin(this->y, rect.y);
 134     int y2 = wxMax(y+height, rect.height+rect.y);
 135     int x2 = wxMax(x+width, rect.width+rect.x);
 136     return wxRect(x1, y1, x2-x1, y2-y1);
 137 }
 138
 139 wxRect& wxRect::Union(const wxRect& rect)
 140 {
 141     // ignore empty rectangles: union with an empty rectangle shouldn't extend
 142     // this one to (0, 0)
 143     if ( !width || !height )
 144     {
 145         *this = rect;
 146     }
 147     else if ( rect.width && rect.height )
 148     {
 149         int x1 = wxMin(x, rect.x);
 150         int y1 = wxMin(y, rect.y);
 151         int y2 = wxMax(y + height, rect.height + rect.y);
 152         int x2 = wxMax(x + width, rect.width + rect.x);
 153
 154         x = x1;
 155         y = y1;
 156         width = x2 - x1;
 157         height = y2 - y1;
 158     }
 159     //else: we're not empty and rect is empty
 160
 161     return *this;
 162 }
 163
 164 wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
 165 {
 166     x -= dx;
 167     y -= dy;
 168     width += 2*dx;
 169     height += 2*dy;
 170
 171     // check that we didn't make the rectangle invalid by accident (you almost
 172     // never want to have negative coords and never want negative size)
 173     if ( x < 0 )
 174         x = 0;
 175     if ( y < 0 )
 176         y = 0;
 177
 178     // what else can we do?
 179     if ( width < 0 )
 180         width = 0;
 181     if ( height < 0 )
 182         height = 0;
 183
 184     return *this;
 185 }
 186
 187 bool wxRect::Inside(int cx, int cy) const
 188 {
 189     return ( (cx >= x) && (cy >= y)
 190           && ((cy - y) < height)
 191           && ((cx - x) < width)
 192           );
 193 }
 194
 195 wxRect& wxRect::Intersect(const wxRect& rect)
 196 {
 197     int x2 = GetRight(),
 198         y2 = GetBottom();
 199
 200     if ( x < rect.x )
 201         x = rect.x;
 202     if ( y < rect.y )
 203         y = rect.y;
 204     if ( x2 > rect.GetRight() )
 205         x2 = rect.GetRight();
 206     if ( y2 > rect.GetBottom() )
 207         y2 = rect.GetBottom();
 208
 209     width = x2 - x + 1;
 210     height = y2 - y + 1;
 211
 212     if ( width <= 0 || height <= 0 )
 213     {
 214         width =
 215         height = 0;
 216     }
 217
 218     return *this;
 219 }
 220
 221 bool wxRect::Intersects(const wxRect& rect) const
 222 {
 223     wxRect r = Intersect(rect);
 224
 225     // if there is no intersection, both width and height are 0
 226     return r.width != 0;
 227 }
 228
 229 // ============================================================================
 230 // wxColourDatabase
 231 // ============================================================================
 232
 233 // ----------------------------------------------------------------------------
 234 // wxColourDatabase ctor/dtor
 235 // ----------------------------------------------------------------------------
 236
 237 wxColourDatabase::wxColourDatabase ()
 238 {
 239     // will be created on demand in Initialize()
 240     m_map = NULL;
 241 }
 242
 243 wxColourDatabase::~wxColourDatabase ()
 244 {
 245     if ( m_map )
 246     {
 247         WX_CLEAR_HASH_MAP(wxStringToColourHashMap, *m_map);
 248
 249         delete m_map;
 250     }
 251
 252 #ifdef __WXPM__
 253     delete [] m_palTable;
 254 #endif
 255 }
 256
 257 // Colour database stuff
 258 void wxColourDatabase::Initialize()
 259 {
 260     if ( m_map )
 261     {
 262         // already initialized
 263         return;
 264     }
 265
 266     m_map = new wxStringToColourHashMap;
 267
 268     static const struct wxColourDesc
 269     {
 270         const wxChar *name;
 271         unsigned char r,g,b;
 272     }
 273     wxColourTable[] =
 274     {
 275         {wxT("AQUAMARINE"),112, 219, 147},
 276         {wxT("BLACK"),0, 0, 0},
 277         {wxT("BLUE"), 0, 0, 255},
 278         {wxT("BLUE VIOLET"), 159, 95, 159},
 279         {wxT("BROWN"), 165, 42, 42},
 280         {wxT("CADET BLUE"), 95, 159, 159},
 281         {wxT("CORAL"), 255, 127, 0},
 282         {wxT("CORNFLOWER BLUE"), 66, 66, 111},
 283         {wxT("CYAN"), 0, 255, 255},
 284         {wxT("DARK GREY"), 47, 47, 47},   // ?
 285
 286         {wxT("DARK GREEN"), 47, 79, 47},
 287         {wxT("DARK OLIVE GREEN"), 79, 79, 47},
 288         {wxT("DARK ORCHID"), 153, 50, 204},
 289         {wxT("DARK SLATE BLUE"), 107, 35, 142},
 290         {wxT("DARK SLATE GREY"), 47, 79, 79},
 291         {wxT("DARK TURQUOISE"), 112, 147, 219},
 292         {wxT("DIM GREY"), 84, 84, 84},
 293         {wxT("FIREBRICK"), 142, 35, 35},
 294         {wxT("FOREST GREEN"), 35, 142, 35},
 295         {wxT("GOLD"), 204, 127, 50},
 296         {wxT("GOLDENROD"), 219, 219, 112},
 297         {wxT("GREY"), 128, 128, 128},
 298         {wxT("GREEN"), 0, 255, 0},
 299         {wxT("GREEN YELLOW"), 147, 219, 112},
 300         {wxT("INDIAN RED"), 79, 47, 47},
 301         {wxT("KHAKI"), 159, 159, 95},
 302         {wxT("LIGHT BLUE"), 191, 216, 216},
 303         {wxT("LIGHT GREY"), 192, 192, 192},
 304         {wxT("LIGHT STEEL BLUE"), 143, 143, 188},
 305         {wxT("LIME GREEN"), 50, 204, 50},
 306         {wxT("LIGHT MAGENTA"), 255, 0, 255},
 307         {wxT("MAGENTA"), 255, 0, 255},
 308         {wxT("MAROON"), 142, 35, 107},
 309         {wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
 310         {wxT("MEDIUM GREY"), 100, 100, 100},
 311         {wxT("MEDIUM BLUE"), 50, 50, 204},
 312         {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 313         {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 314         {wxT("MEDIUM ORCHID"), 147, 112, 219},
 315         {wxT("MEDIUM SEA GREEN"), 66, 111, 66},
 316         {wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
 317         {wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
 318         {wxT("MEDIUM TURQUOISE"), 112, 219, 219},
 319         {wxT("MEDIUM VIOLET RED"), 219, 112, 147},
 320         {wxT("MIDNIGHT BLUE"), 47, 47, 79},
 321         {wxT("NAVY"), 35, 35, 142},
 322         {wxT("ORANGE"), 204, 50, 50},
 323         {wxT("ORANGE RED"), 255, 0, 127},
 324         {wxT("ORCHID"), 219, 112, 219},
 325         {wxT("PALE GREEN"), 143, 188, 143},
 326         {wxT("PINK"), 188, 143, 234},
 327         {wxT("PLUM"), 234, 173, 234},
 328         {wxT("PURPLE"), 176, 0, 255},
 329         {wxT("RED"), 255, 0, 0},
 330         {wxT("SALMON"), 111, 66, 66},
 331         {wxT("SEA GREEN"), 35, 142, 107},
 332         {wxT("SIENNA"), 142, 107, 35},
 333         {wxT("SKY BLUE"), 50, 153, 204},
 334         {wxT("SLATE BLUE"), 0, 127, 255},
 335         {wxT("SPRING GREEN"), 0, 255, 127},
 336         {wxT("STEEL BLUE"), 35, 107, 142},
 337         {wxT("TAN"), 219, 147, 112},
 338         {wxT("THISTLE"), 216, 191, 216},
 339         {wxT("TURQUOISE"), 173, 234, 234},
 340         {wxT("VIOLET"), 79, 47, 79},
 341         {wxT("VIOLET RED"), 204, 50, 153},
 342         {wxT("WHEAT"), 216, 216, 191},
 343         {wxT("WHITE"), 255, 255, 255},
 344         {wxT("YELLOW"), 255, 255, 0},
 345         {wxT("YELLOW GREEN"), 153, 204, 50}
 346     };
 347
 348     size_t n;
 349
 350     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 351     {
 352         const wxColourDesc& cc = wxColourTable[n];
 353         (*m_map)[cc.name] = new wxColour(cc.r, cc.g, cc.b);
 354     }
 355
 356 #ifdef __WXPM__
 357     m_palTable = new long[n];
 358     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 359     {
 360         const wxColourDesc& cc = wxColourTable[n];
 361         m_palTable[n] = OS2RGB(cc.r,cc.g,cc.b);
 362     }
 363     m_nSize = n;
 364 #endif
 365 }
 366
 367 // ----------------------------------------------------------------------------
 368 // wxColourDatabase operations
 369 // ----------------------------------------------------------------------------
 370
 371 void wxColourDatabase::AddColour(const wxString& name, const wxColour& colour)
 372 {
 373     Initialize();
 374
 375     // canonicalize the colour names before using them as keys: they should be
 376     // in upper case
 377     wxString colName = name;
 378     colName.MakeUpper();
 379
 380     // ... and we also allow both grey/gray
 381     wxString colNameAlt = colName;
 382     if ( !colNameAlt.Replace(_T("GRAY"), _T("GREY")) )
 383     {
 384         // but in this case it is not necessary so avoid extra search below
 385         colNameAlt.clear();
 386     }
 387
 388     wxStringToColourHashMap::iterator it = m_map->find(colName);
 389     if ( it == m_map->end() && !colNameAlt.empty() )
 390         it = m_map->find(colNameAlt);
 391     if ( it != m_map->end() )
 392     {
 393         *(it->second) = colour;
 394     }
 395     else // new colour
 396     {
 397         (*m_map)[colName] = new wxColour(colour);
 398     }
 399 }
 400
 401 wxColour wxColourDatabase::Find(const wxString& colour) const
 402 {
 403     wxColourDatabase * const self = wxConstCast(this, wxColourDatabase);
 404     self->Initialize();
 405
 406     // first look among the existing colours
 407
 408     // make the comparaison case insensitive and also match both grey and gray
 409     wxString colName = colour;
 410     colName.MakeUpper();
 411     wxString colNameAlt = colName;
 412     if ( !colNameAlt.Replace(_T("GRAY"), _T("GREY")) )
 413         colNameAlt.clear();
 414
 415     wxStringToColourHashMap::iterator it = m_map->find(colName);
 416     if ( it == m_map->end() && !colNameAlt.empty() )
 417         it = m_map->find(colNameAlt);
 418     if ( it != m_map->end() )
 419         return *(it->second);
 420
 421     // if we didn't find it, query the system, maybe it knows about it
 422 #if defined(__WXGTK__) || defined(__X__)
 423     wxColour col = wxColour::CreateByName(colour);
 424
 425     if ( col.Ok() )
 426     {
 427         // cache it
 428         self->AddColour(colour, col);
 429     }
 430
 431     return col;
 432 #elif defined(__X__)
 433     // TODO: move this to wxColour::CreateByName()
 434     XColor xcolour;
 435
 436 #ifdef __WXMOTIF__
 437     Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ;
 438 #endif
 439 #ifdef __WXX11__
 440     Display* display = (Display*) wxGetDisplay();
 441 #endif
 442     /* MATTHEW: [4] Use wxGetMainColormap */
 443     if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour.ToAscii() ,&xcolour))
 444         return NULL;
 445
 446 #if wxUSE_NANOX
 447     unsigned char r = (unsigned char)(xcolour.red);
 448     unsigned char g = (unsigned char)(xcolour.green);
 449     unsigned char b = (unsigned char)(xcolour.blue);
 450 #else
 451     unsigned char r = (unsigned char)(xcolour.red >> 8);
 452     unsigned char g = (unsigned char)(xcolour.green >> 8);
 453     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 454 #endif
 455
 456     wxColour col(r, g, b);
 457     AddColour(colour, col);
 458
 459     return col;
 460 #else // other platform
 461     return wxNullColour;
 462 #endif // platforms
 463 }
 464
 465 wxString wxColourDatabase::FindName(const wxColour& colour) const
 466 {
 467     wxColourDatabase * const self = wxConstCast(this, wxColourDatabase);
 468     self->Initialize();
 469
 470     typedef wxStringToColourHashMap::iterator iterator;
 471
 472     for ( iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
 473     {
 474         if ( *(it->second) == colour )
 475             return it->first;
 476     }
 477
 478     return wxEmptyString;
 479 }
 480
 481 // ----------------------------------------------------------------------------
 482 // deprecated wxColourDatabase methods
 483 // ----------------------------------------------------------------------------
 484
 485 wxColour *wxColourDatabase::FindColour(const wxString& name)
 486 {
 487     // This function is deprecated, use Find() instead.
 488     // Formerly this function sometimes would return a deletable pointer and
 489     // sometimes a non-deletable one (when returning a colour from the database).
 490     // Trying to delete the latter anyway results in problems, so probably
 491     // nobody ever freed the pointers. Currently it always returns a new
 492     // instance, which means there will be memory leaks.
 493     wxLogDebug(wxT("wxColourDataBase::FindColour():")
 494         wxT(" Please use wxColourDataBase::Find() instead"));
 495
 496     // using a static variable here is not the most elegant solution but unless
 497     // we want to make wxStringToColourHashMap public (i.e. move it to the
 498     // header) so that we could have a member function returning
 499     // wxStringToColourHashMap::iterator, there is really no good way to do it
 500     // otherwise
 501     //
 502     // and knowing that this function is going to disappear in the next release
 503     // anyhow I don't want to waste time on this
 504
 505     static wxColour s_col;
 506
 507     s_col = Find(name);
 508     if ( !s_col.Ok() )
 509         return NULL;
 510
 511     return new wxColour(s_col);
 512 }
 513
 514 // ============================================================================
 515 // stock objects
 516 // ============================================================================
 517
 518 void wxInitializeStockLists()
 519 {
 520     wxTheColourDatabase = new wxColourDatabase;
 521
 522     wxTheBrushList = new wxBrushList;
 523     wxThePenList = new wxPenList;
 524     wxTheFontList = new wxFontList;
 525     wxTheBitmapList = new wxBitmapList;
 526 }
 527
 528 void wxInitializeStockObjects ()
 529 {
 530 #ifdef __WXMOTIF__
 531 #endif
 532 #ifdef __X__
 533   // TODO
 534   //  wxFontPool = new XFontPool;
 535 #endif
 536
 537   // why under MSW fonts shouldn't have the standard system size?
 538 /*
 539 #ifdef __WXMSW__
 540   static const int sizeFont = 10;
 541 #else
 542 #endif
 543 */
 544 #if defined(__WXMAC__)
 545     // retrieve size of system font for all stock fonts
 546     int sizeFont = 12;
 547
 548     Str255 fontName ;
 549     SInt16 fontSize ;
 550     Style fontStyle ;
 551
 552     GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 553     sizeFont = fontSize ;
 554 #ifdef __WXMAC_CLASSIC__
 555     wxNORMAL_FONT = new wxFont (fontSize, wxMODERN, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal(fontName) );
 556 #else
 557     wxNORMAL_FONT = new wxFont () ;
 558     wxNORMAL_FONT->MacCreateThemeFont( kThemeSystemFont );
 559 #endif
 560 #elif defined(__WXPM__)
 561     static const int sizeFont = 12;
 562 #else
 563     wxNORMAL_FONT = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 564     static const int sizeFont = wxNORMAL_FONT->GetPointSize();
 565 #endif
 566
 567 #if defined(__WXPM__)
 568     /*
 569     // Basic OS/2 has a fairly limited number of fonts and these are as good
 570     // as I can do to get something that looks halfway "wx" normal
 571     */
 572     wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxBOLD);
 573     wxSMALL_FONT = new wxFont (sizeFont - 4, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 574     wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 575     wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 576 #elif defined(__WXMAC__)
 577     wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 578     wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 579 #ifdef __WXMAC_CLASSIC__
 580   GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 581     wxSMALL_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal( fontName ) );
 582 #else
 583     wxSMALL_FONT = new wxFont () ;
 584     wxSMALL_FONT->MacCreateThemeFont( kThemeSmallSystemFont );
 585 #endif
 586 #else
 587     wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL);
 588     wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 589     wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL);
 590 #endif
 591
 592     wxRED_PEN = new wxPen (wxT("RED"), 1, wxSOLID);
 593     wxCYAN_PEN = new wxPen (wxT("CYAN"), 1, wxSOLID);
 594     wxGREEN_PEN = new wxPen (wxT("GREEN"), 1, wxSOLID);
 595     wxBLACK_PEN = new wxPen (wxT("BLACK"), 1, wxSOLID);
 596     wxWHITE_PEN = new wxPen (wxT("WHITE"), 1, wxSOLID);
 597     wxTRANSPARENT_PEN = new wxPen (wxT("BLACK"), 1, wxTRANSPARENT);
 598     wxBLACK_DASHED_PEN = new wxPen (wxT("BLACK"), 1, wxSHORT_DASH);
 599     wxGREY_PEN = new wxPen (wxT("GREY"), 1, wxSOLID);
 600     wxMEDIUM_GREY_PEN = new wxPen (wxT("MEDIUM GREY"), 1, wxSOLID);
 601     wxLIGHT_GREY_PEN = new wxPen (wxT("LIGHT GREY"), 1, wxSOLID);
 602
 603     wxBLUE_BRUSH = new wxBrush (wxT("BLUE"), wxSOLID);
 604     wxGREEN_BRUSH = new wxBrush (wxT("GREEN"), wxSOLID);
 605     wxWHITE_BRUSH = new wxBrush (wxT("WHITE"), wxSOLID);
 606     wxBLACK_BRUSH = new wxBrush (wxT("BLACK"), wxSOLID);
 607     wxTRANSPARENT_BRUSH = new wxBrush (wxT("BLACK"), wxTRANSPARENT);
 608     wxCYAN_BRUSH = new wxBrush (wxT("CYAN"), wxSOLID);
 609     wxRED_BRUSH = new wxBrush (wxT("RED"), wxSOLID);
 610     wxGREY_BRUSH = new wxBrush (wxT("GREY"), wxSOLID);
 611     wxMEDIUM_GREY_BRUSH = new wxBrush (wxT("MEDIUM GREY"), wxSOLID);
 612     wxLIGHT_GREY_BRUSH = new wxBrush (wxT("LIGHT GREY"), wxSOLID);
 613
 614     wxBLACK = new wxColour (wxT("BLACK"));
 615     wxWHITE = new wxColour (wxT("WHITE"));
 616     wxRED = new wxColour (wxT("RED"));
 617     wxBLUE = new wxColour (wxT("BLUE"));
 618     wxGREEN = new wxColour (wxT("GREEN"));
 619     wxCYAN = new wxColour (wxT("CYAN"));
 620     wxLIGHT_GREY = new wxColour (wxT("LIGHT GREY"));
 621
 622     wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 623     wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 624     wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 625 }
 626
 627 void wxDeleteStockObjects ()
 628 {
 629     wxDELETE(wxNORMAL_FONT);
 630     wxDELETE(wxSMALL_FONT);
 631     wxDELETE(wxITALIC_FONT);
 632     wxDELETE(wxSWISS_FONT);
 633
 634     wxDELETE(wxRED_PEN);
 635     wxDELETE(wxCYAN_PEN);
 636     wxDELETE(wxGREEN_PEN);
 637     wxDELETE(wxBLACK_PEN);
 638     wxDELETE(wxWHITE_PEN);
 639     wxDELETE(wxTRANSPARENT_PEN);
 640     wxDELETE(wxBLACK_DASHED_PEN);
 641     wxDELETE(wxGREY_PEN);
 642     wxDELETE(wxMEDIUM_GREY_PEN);
 643     wxDELETE(wxLIGHT_GREY_PEN);
 644
 645     wxDELETE(wxBLUE_BRUSH);
 646     wxDELETE(wxGREEN_BRUSH);
 647     wxDELETE(wxWHITE_BRUSH);
 648     wxDELETE(wxBLACK_BRUSH);
 649     wxDELETE(wxTRANSPARENT_BRUSH);
 650     wxDELETE(wxCYAN_BRUSH);
 651     wxDELETE(wxRED_BRUSH);
 652     wxDELETE(wxGREY_BRUSH);
 653     wxDELETE(wxMEDIUM_GREY_BRUSH);
 654     wxDELETE(wxLIGHT_GREY_BRUSH);
 655
 656     wxDELETE(wxBLACK);
 657     wxDELETE(wxWHITE);
 658     wxDELETE(wxRED);
 659     wxDELETE(wxBLUE);
 660     wxDELETE(wxGREEN);
 661     wxDELETE(wxCYAN);
 662     wxDELETE(wxLIGHT_GREY);
 663
 664     wxDELETE(wxSTANDARD_CURSOR);
 665     wxDELETE(wxHOURGLASS_CURSOR);
 666     wxDELETE(wxCROSS_CURSOR);
 667 }
 668
 669 void wxDeleteStockLists()
 670 {
 671     wxDELETE(wxTheBrushList);
 672     wxDELETE(wxThePenList);
 673     wxDELETE(wxTheFontList);
 674     wxDELETE(wxTheBitmapList);
 675 }
 676
 677 // ============================================================================
 678 // wxTheXXXList stuff (semi-obsolete)
 679 // ============================================================================
 680
 681 wxBitmapList::~wxBitmapList ()
 682 {
 683     wxList::compatibility_iterator node = GetFirst ();
 684     while (node)
 685     {
 686         wxBitmap *bitmap = (wxBitmap *) node->GetData ();
 687         wxList::compatibility_iterator next = node->GetNext ();
 688         if (bitmap->GetVisible())
 689             delete bitmap;
 690         node = next;
 691     }
 692 }
 693
 694 // Pen and Brush lists
 695 wxPenList::~wxPenList ()
 696 {
 697     wxList::compatibility_iterator node = GetFirst ();
 698     while (node)
 699     {
 700         wxPen *pen = (wxPen *) node->GetData ();
 701         wxList::compatibility_iterator next = node->GetNext ();
 702         if (pen->GetVisible())
 703             delete pen;
 704         node = next;
 705     }
 706 }
 707
 708 void wxPenList::AddPen (wxPen * pen)
 709 {
 710     Append (pen);
 711 }
 712
 713 void wxPenList::RemovePen (wxPen * pen)
 714 {
 715     DeleteObject (pen);
 716 }
 717
 718 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 719 {
 720     for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
 721     {
 722         wxPen *each_pen = (wxPen *) node->GetData ();
 723         if (each_pen &&
 724                 each_pen->GetVisible() &&
 725                 each_pen->GetWidth () == width &&
 726                 each_pen->GetStyle () == style &&
 727                 each_pen->GetColour ().Red () == colour.Red () &&
 728                 each_pen->GetColour ().Green () == colour.Green () &&
 729                 each_pen->GetColour ().Blue () == colour.Blue ())
 730             return each_pen;
 731     }
 732
 733     wxPen *pen = new wxPen (colour, width, style);
 734     if ( !pen->Ok() )
 735     {
 736         // don't save the invalid pens in the list
 737         delete pen;
 738
 739         return NULL;
 740     }
 741
 742     AddPen(pen);
 743
 744     // we'll delete it ourselves later
 745     pen->SetVisible(true);
 746
 747     return pen;
 748 }
 749
 750 wxBrushList::~wxBrushList ()
 751 {
 752     wxList::compatibility_iterator node = GetFirst ();
 753     while (node)
 754     {
 755         wxBrush *brush = (wxBrush *) node->GetData ();
 756         wxList::compatibility_iterator next = node->GetNext ();
 757         if (brush && brush->GetVisible())
 758             delete brush;
 759         node = next;
 760     }
 761 }
 762
 763 void wxBrushList::AddBrush (wxBrush * brush)
 764 {
 765     Append (brush);
 766 }
 767
 768 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 769 {
 770     for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
 771     {
 772         wxBrush *each_brush = (wxBrush *) node->GetData ();
 773         if (each_brush &&
 774                 each_brush->GetVisible() &&
 775                 each_brush->GetStyle () == style &&
 776                 each_brush->GetColour ().Red () == colour.Red () &&
 777                 each_brush->GetColour ().Green () == colour.Green () &&
 778                 each_brush->GetColour ().Blue () == colour.Blue ())
 779             return each_brush;
 780     }
 781
 782     wxBrush *brush = new wxBrush (colour, style);
 783
 784     if ( !brush->Ok() )
 785     {
 786         // don't put the brushes we failed to create into the list
 787         delete brush;
 788
 789         return NULL;
 790     }
 791
 792     AddBrush(brush);
 793
 794     // we'll delete it ourselves later
 795     brush->SetVisible(true);
 796
 797     return brush;
 798 }
 799
 800 void wxBrushList::RemoveBrush (wxBrush * brush)
 801 {
 802     DeleteObject (brush);
 803 }
 804
 805 wxFontList::~wxFontList ()
 806 {
 807     wxList::compatibility_iterator node = GetFirst ();
 808     while (node)
 809     {
 810         // Only delete objects that are 'visible', i.e.
 811         // that have been created using FindOrCreate...,
 812         // where the pointers are expected to be shared
 813         // (and therefore not deleted by any one part of an app).
 814         wxFont *font = (wxFont *) node->GetData ();
 815         wxList::compatibility_iterator next = node->GetNext ();
 816         if (font->GetVisible())
 817             delete font;
 818         node = next;
 819     }
 820 }
 821
 822 void wxFontList::AddFont (wxFont * font)
 823 {
 824     Append (font);
 825 }
 826
 827 void wxFontList::RemoveFont (wxFont * font)
 828 {
 829     DeleteObject (font);
 830 }
 831
 832 wxFont *wxFontList::FindOrCreateFont(int pointSize,
 833                                      int family,
 834                                      int style,
 835                                      int weight,
 836                                      bool underline,
 837                                      const wxString& facename,
 838                                      wxFontEncoding encoding)
 839 {
 840     wxFont *font = (wxFont *)NULL;
 841     wxList::compatibility_iterator node;
 842     for ( node = GetFirst(); node; node = node->GetNext() )
 843     {
 844         font = (wxFont *)node->GetData();
 845         if ( font->GetVisible() &&
 846              font->Ok() &&
 847              font->GetPointSize () == pointSize &&
 848              font->GetStyle () == style &&
 849              font->GetWeight () == weight &&
 850              font->GetUnderlined () == underline )
 851         {
 852             int fontFamily = font->GetFamily();
 853
 854 #if defined(__WXGTK__)
 855             // under GTK the default family is wxSWISS, so looking for a font
 856             // with wxDEFAULT family should return a wxSWISS one instead of
 857             // creating a new one
 858             bool same = (fontFamily == family) ||
 859                         (fontFamily == wxSWISS && family == wxDEFAULT);
 860 #else // !GTK
 861             // VZ: but why elsewhere do we require an exact match? mystery...
 862             bool same = fontFamily == family;
 863 #endif // GTK/!GTK
 864
 865             // empty facename matches anything at all: this is bad because
 866             // depending on which fonts are already created, we might get back
 867             // a different font if we create it with empty facename, but it is
 868             // still better than never matching anything in the cache at all
 869             // in this case
 870             if ( same && !facename.empty() )
 871             {
 872                 const wxString& fontFace = font->GetFaceName();
 873
 874                 // empty facename matches everything
 875                 same = !fontFace || fontFace == facename;
 876             }
 877
 878             if ( same && (encoding != wxFONTENCODING_DEFAULT) )
 879             {
 880                 // have to match the encoding too
 881                 same = font->GetEncoding() == encoding;
 882             }
 883
 884             if ( same )
 885             {
 886                 return font;
 887             }
 888         }
 889     }
 890
 891     if ( !node )
 892     {
 893         // font not found, create the new one
 894         font = new wxFont(pointSize, family, style, weight,
 895                           underline, facename, encoding);
 896
 897         AddFont(font);
 898
 899         // and mark it as being cacheable
 900         font->SetVisible(true);
 901     }
 902
 903     return font;
 904 }
 905
 906 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 907 {
 908     Append(bitmap);
 909 }
 910
 911 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 912 {
 913     DeleteObject(bitmap);
 914 }
 915
 916 wxSize wxGetDisplaySize()
 917 {
 918     int x, y;
 919     wxDisplaySize(& x, & y);
 920     return wxSize(x, y);
 921 }
 922
 923 wxRect wxGetClientDisplayRect()
 924 {
 925     int x, y, width, height;
 926     wxClientDisplayRect(&x, &y, &width, &height);  // call plat-specific version
 927     return wxRect(x, y, width, height);
 928 }
 929
 930 wxSize wxGetDisplaySizeMM()
 931 {
 932     int x, y;
 933     wxDisplaySizeMM(& x, & y);
 934     return wxSize(x, y);
 935 }
 936
 937 wxResourceCache::~wxResourceCache ()
 938 {
 939     wxList::compatibility_iterator node = GetFirst ();
 940     while (node) {
 941         wxObject *item = (wxObject *)node->GetData();
 942         delete item;
 943
 944         node = node->GetNext ();
 945     }
 946 }
 947