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