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 #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
  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 bool wxRect::operator==(const wxRect& rect) const
 129 {
 130   return ((x == rect.x) &&
 131           (y == rect.y) &&
 132           (width == rect.width) &&
 133           (height == rect.height));
 134 }
 135
 136 wxRect& wxRect::operator += (const wxRect& rect)
 137 {
 138     *this = (*this + rect);
 139     return ( *this ) ;
 140 }
 141
 142 wxRect wxRect::operator + (const wxRect& rect) const
 143 {
 144     int x1 = wxMin(this->x, rect.x);
 145     int y1 = wxMin(this->y, rect.y);
 146     int y2 = wxMax(y+height, rect.height+rect.y);
 147     int x2 = wxMax(x+width, rect.width+rect.x);
 148     return wxRect(x1, y1, x2-x1, y2-y1);
 149 }
 150
 151 wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
 152 {
 153     x -= dx;
 154     y -= dy;
 155     width += 2*dx;
 156     height += 2*dy;
 157
 158     // check that we didn't make the rectangle invalid by accident (you almost
 159     // never want to have negative coords and never want negative size)
 160     if ( x < 0 )
 161         x = 0;
 162     if ( y < 0 )
 163         y = 0;
 164
 165     // what else can we do?
 166     if ( width < 0 )
 167         width = 0;
 168     if ( height < 0 )
 169         height = 0;
 170
 171     return *this;
 172 }
 173
 174 bool wxRect::Inside(int cx, int cy) const
 175 {
 176     return ( (cx >= x) && (cy >= y)
 177           && ((cy - y) < height)
 178           && ((cx - x) < width)
 179           );
 180 }
 181
 182 wxRect& wxRect::Intersect(const wxRect& rect)
 183 {
 184     int x2 = GetRight(),
 185         y2 = GetBottom();
 186
 187     if ( x < rect.x )
 188         x = rect.x;
 189     if ( y < rect.y )
 190         y = rect.y;
 191     if ( x2 > rect.GetRight() )
 192         x2 = rect.GetRight();
 193     if ( y2 > rect.GetBottom() )
 194         y2 = rect.GetBottom();
 195
 196     width = x2 - x + 1;
 197     height = y2 - y + 1;
 198
 199     if ( width <= 0 || height <= 0 )
 200     {
 201         width =
 202         height = 0;
 203     }
 204
 205     return *this;
 206 }
 207
 208 bool wxRect::Intersects(const wxRect& rect) const
 209 {
 210     wxRect r = Intersect(rect);
 211
 212     // if there is no intersection, both width and height are 0
 213     return r.width != 0;
 214 }
 215
 216 WX_DECLARE_STRING_HASH_MAP( wxColour*, wxStringToColourHashMap );
 217
 218 wxColourDatabase::wxColourDatabase ()
 219 {
 220     m_map = new wxStringToColourHashMap;
 221 }
 222
 223 wxColourDatabase::~wxColourDatabase ()
 224 {
 225     WX_CLEAR_HASH_MAP(wxStringToColourHashMap, *m_map);
 226
 227     delete m_map;
 228     m_map = NULL;
 229 #ifdef __WXPM__
 230     delete [] m_palTable;
 231 #endif
 232 }
 233
 234 // Colour database stuff
 235 void wxColourDatabase::Initialize ()
 236 {
 237     static const struct wxColourDesc
 238     {
 239         const wxChar *name;
 240         int r,g,b;
 241     }
 242     wxColourTable[] =
 243     {
 244         {wxT("AQUAMARINE"),112, 219, 147},
 245         {wxT("BLACK"),0, 0, 0},
 246         {wxT("BLUE"), 0, 0, 255},
 247         {wxT("BLUE VIOLET"), 159, 95, 159},
 248         {wxT("BROWN"), 165, 42, 42},
 249         {wxT("CADET BLUE"), 95, 159, 159},
 250         {wxT("CORAL"), 255, 127, 0},
 251         {wxT("CORNFLOWER BLUE"), 66, 66, 111},
 252         {wxT("CYAN"), 0, 255, 255},
 253         {wxT("DARK GREY"), 47, 47, 47},   // ?
 254
 255         {wxT("DARK GREEN"), 47, 79, 47},
 256         {wxT("DARK OLIVE GREEN"), 79, 79, 47},
 257         {wxT("DARK ORCHID"), 153, 50, 204},
 258         {wxT("DARK SLATE BLUE"), 107, 35, 142},
 259         {wxT("DARK SLATE GREY"), 47, 79, 79},
 260         {wxT("DARK TURQUOISE"), 112, 147, 219},
 261         {wxT("DIM GREY"), 84, 84, 84},
 262         {wxT("FIREBRICK"), 142, 35, 35},
 263         {wxT("FOREST GREEN"), 35, 142, 35},
 264         {wxT("GOLD"), 204, 127, 50},
 265         {wxT("GOLDENROD"), 219, 219, 112},
 266         {wxT("GREY"), 128, 128, 128},
 267         {wxT("GREEN"), 0, 255, 0},
 268         {wxT("GREEN YELLOW"), 147, 219, 112},
 269         {wxT("INDIAN RED"), 79, 47, 47},
 270         {wxT("KHAKI"), 159, 159, 95},
 271         {wxT("LIGHT BLUE"), 191, 216, 216},
 272         {wxT("LIGHT GREY"), 192, 192, 192},
 273         {wxT("LIGHT STEEL BLUE"), 143, 143, 188},
 274         {wxT("LIME GREEN"), 50, 204, 50},
 275         {wxT("LIGHT MAGENTA"), 255, 0, 255},
 276         {wxT("MAGENTA"), 255, 0, 255},
 277         {wxT("MAROON"), 142, 35, 107},
 278         {wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
 279         {wxT("MEDIUM GREY"), 100, 100, 100},
 280         {wxT("MEDIUM BLUE"), 50, 50, 204},
 281         {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 282         {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 283         {wxT("MEDIUM ORCHID"), 147, 112, 219},
 284         {wxT("MEDIUM SEA GREEN"), 66, 111, 66},
 285         {wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
 286         {wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
 287         {wxT("MEDIUM TURQUOISE"), 112, 219, 219},
 288         {wxT("MEDIUM VIOLET RED"), 219, 112, 147},
 289         {wxT("MIDNIGHT BLUE"), 47, 47, 79},
 290         {wxT("NAVY"), 35, 35, 142},
 291         {wxT("ORANGE"), 204, 50, 50},
 292         {wxT("ORANGE RED"), 255, 0, 127},
 293         {wxT("ORCHID"), 219, 112, 219},
 294         {wxT("PALE GREEN"), 143, 188, 143},
 295         {wxT("PINK"), 188, 143, 234},
 296         {wxT("PLUM"), 234, 173, 234},
 297         {wxT("PURPLE"), 176, 0, 255},
 298         {wxT("RED"), 255, 0, 0},
 299         {wxT("SALMON"), 111, 66, 66},
 300         {wxT("SEA GREEN"), 35, 142, 107},
 301         {wxT("SIENNA"), 142, 107, 35},
 302         {wxT("SKY BLUE"), 50, 153, 204},
 303         {wxT("SLATE BLUE"), 0, 127, 255},
 304         {wxT("SPRING GREEN"), 0, 255, 127},
 305         {wxT("STEEL BLUE"), 35, 107, 142},
 306         {wxT("TAN"), 219, 147, 112},
 307         {wxT("THISTLE"), 216, 191, 216},
 308         {wxT("TURQUOISE"), 173, 234, 234},
 309         {wxT("VIOLET"), 79, 47, 79},
 310         {wxT("VIOLET RED"), 204, 50, 153},
 311         {wxT("WHEAT"), 216, 216, 191},
 312         {wxT("WHITE"), 255, 255, 255},
 313         {wxT("YELLOW"), 255, 255, 0},
 314         {wxT("YELLOW GREEN"), 153, 204, 50},
 315         {wxT("YELLOW GREEN"), 153, 204, 50}
 316     };
 317
 318     size_t      n;
 319
 320     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 321     {
 322         const wxColourDesc& cc = wxColourTable[n];
 323         AddColour(cc.name, new wxColour(cc.r,cc.g,cc.b));
 324     }
 325 #ifdef __WXPM__
 326     m_palTable = new long[n];
 327     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 328     {
 329         const wxColourDesc& cc = wxColourTable[n];
 330         m_palTable[n] = OS2RGB(cc.r,cc.g,cc.b);
 331     }
 332     m_nSize = n;
 333 #endif
 334 }
 335
 336 /*
 337  * Changed by Ian Brown, July 1994.
 338  *
 339  * When running under X, the Colour Database starts off empty. The X server
 340  * is queried for the colour first time after which it is entered into the
 341  * database. This allows our client to use the server colour database which
 342  * is hopefully gamma corrected for the display being used.
 343  */
 344
 345 wxColour *wxColourDatabase::FindColour(const wxString& colour)
 346 {
 347     return FindColour(colour, true);
 348 }
 349
 350 wxColour *wxColourDatabase::FindColourNoAdd(const wxString& colour) const
 351 {
 352     return ((wxColourDatabase*)this)->FindColour(colour, false);
 353 }
 354
 355 void wxColourDatabase::AddColour (const wxString& name, wxColour* colour)
 356 {
 357     wxString colName = name;
 358     colName.MakeUpper();
 359     wxString colName2 = colName;
 360     if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
 361         colName2.clear();
 362
 363     wxStringToColourHashMap::iterator it = m_map->find(colName);
 364     if ( it == m_map->end() )
 365         it = m_map->find(colName2);
 366     if ( it != m_map->end() )
 367     {
 368         delete it->second;
 369         it->second = colour;
 370     }
 371
 372     (*m_map)[name] = colour;
 373 }
 374
 375 wxColour *wxColourDatabase::FindColour(const wxString& colour, bool add)
 376 {
 377     // VZ: make the comparaison case insensitive and also match both grey and
 378     //     gray
 379     wxString colName = colour;
 380     colName.MakeUpper();
 381     wxString colName2 = colName;
 382     if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
 383         colName2.clear();
 384
 385     wxStringToColourHashMap::iterator it = m_map->find(colName);
 386     if ( it == m_map->end() )
 387         it = m_map->find(colName2);
 388     if ( it != m_map->end() )
 389         return it->second;
 390
 391     if ( !add )
 392         return NULL;
 393
 394 #ifdef __WXMSW__
 395   return NULL;
 396 #endif
 397 #ifdef __WXPM__
 398   return NULL;
 399 #endif
 400 #ifdef __WXMGL__
 401   return NULL;
 402 #endif
 403
 404 // TODO for other implementations. This should really go into
 405 // platform-specific directories.
 406 #ifdef __WXMAC__
 407   return NULL;
 408 #endif
 409 #ifdef __WXCOCOA__
 410   return NULL;
 411 #endif
 412 #ifdef __WXSTUBS__
 413   return NULL;
 414 #endif
 415
 416 #ifdef __WXGTK__
 417   wxColour *col = new wxColour( colour );
 418
 419   if (!(col->Ok()))
 420   {
 421       delete col;
 422       return (wxColour *) NULL;
 423   }
 424   AddColour(colour, col);
 425   return col;
 426 #endif
 427
 428 #ifdef __X__
 429     XColor xcolour;
 430
 431 #ifdef __WXMOTIF__
 432     Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ;
 433 #endif
 434 #ifdef __WXX11__
 435     Display* display = (Display*) wxGetDisplay();
 436 #endif
 437     /* MATTHEW: [4] Use wxGetMainColormap */
 438     if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour.ToAscii() ,&xcolour))
 439       return NULL;
 440
 441 #if wxUSE_NANOX
 442     unsigned char r = (unsigned char)(xcolour.red);
 443     unsigned char g = (unsigned char)(xcolour.green);
 444     unsigned char b = (unsigned char)(xcolour.blue);
 445 #else
 446     unsigned char r = (unsigned char)(xcolour.red >> 8);
 447     unsigned char g = (unsigned char)(xcolour.green >> 8);
 448     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 449 #endif
 450
 451     wxColour *col = new wxColour(r, g, b);
 452     AddColour(colour, col);
 453
 454     return col;
 455 #endif // __X__
 456 }
 457
 458 wxString wxColourDatabase::FindName (const wxColour& colour) const
 459 {
 460     unsigned char red = colour.Red ();
 461     unsigned char green = colour.Green ();
 462     unsigned char blue = colour.Blue ();
 463
 464     typedef wxStringToColourHashMap::iterator iterator;
 465
 466     for (iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
 467     {
 468         wxColour *col = it->second;
 469
 470         if (col->Red () == red && col->Green () == green && col->Blue () == blue)
 471             return it->first;
 472     }
 473
 474     return wxEmptyString;
 475 }
 476
 477 void wxInitializeStockLists()
 478 {
 479     wxTheColourDatabase = new wxColourDatabase;
 480     wxTheColourDatabase->Initialize();
 481
 482     wxTheBrushList = new wxBrushList;
 483     wxThePenList = new wxPenList;
 484     wxTheFontList = new wxFontList;
 485     wxTheBitmapList = new wxBitmapList;
 486 }
 487
 488 void wxInitializeStockObjects ()
 489 {
 490 #ifdef __WXMOTIF__
 491 #endif
 492 #ifdef __X__
 493   // TODO
 494   //  wxFontPool = new XFontPool;
 495 #endif
 496
 497   // why under MSW fonts shouldn't have the standard system size?
 498 /*
 499 #ifdef __WXMSW__
 500   static const int sizeFont = 10;
 501 #else
 502 #endif
 503 */
 504 #if defined(__WXMAC__)
 505     int sizeFont = 12;
 506
 507     Str255 fontName ;
 508     SInt16 fontSize ;
 509     Style fontStyle ;
 510
 511         GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 512         sizeFont = fontSize ;
 513     wxNORMAL_FONT = new wxFont (fontSize, wxMODERN, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal(fontName) );
 514 #elif defined(__WXPM__)
 515   static const int sizeFont = 12;
 516 #else
 517   wxNORMAL_FONT = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 518   static const int sizeFont = wxNORMAL_FONT->GetPointSize();
 519 #endif
 520
 521 #if defined(__WXPM__)
 522   /*
 523   // Basic OS/2 has a fairly limited number of fonts and these are as good
 524   // as I can do to get something that looks halfway "wx" normal
 525   */
 526   wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxBOLD);
 527   wxSMALL_FONT = new wxFont (sizeFont - 4, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 528   wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 529   wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 530 #elif defined(__WXMAC__)
 531     wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 532     wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 533         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 534     wxSMALL_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal( fontName ) );
 535 #else
 536   wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL);
 537   wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 538   wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL);
 539 #endif
 540
 541   wxRED_PEN = new wxPen (wxT("RED"), 1, wxSOLID);
 542   wxCYAN_PEN = new wxPen (wxT("CYAN"), 1, wxSOLID);
 543   wxGREEN_PEN = new wxPen (wxT("GREEN"), 1, wxSOLID);
 544   wxBLACK_PEN = new wxPen (wxT("BLACK"), 1, wxSOLID);
 545   wxWHITE_PEN = new wxPen (wxT("WHITE"), 1, wxSOLID);
 546   wxTRANSPARENT_PEN = new wxPen (wxT("BLACK"), 1, wxTRANSPARENT);
 547   wxBLACK_DASHED_PEN = new wxPen (wxT("BLACK"), 1, wxSHORT_DASH);
 548   wxGREY_PEN = new wxPen (wxT("GREY"), 1, wxSOLID);
 549   wxMEDIUM_GREY_PEN = new wxPen (wxT("MEDIUM GREY"), 1, wxSOLID);
 550   wxLIGHT_GREY_PEN = new wxPen (wxT("LIGHT GREY"), 1, wxSOLID);
 551
 552   wxBLUE_BRUSH = new wxBrush (wxT("BLUE"), wxSOLID);
 553   wxGREEN_BRUSH = new wxBrush (wxT("GREEN"), wxSOLID);
 554   wxWHITE_BRUSH = new wxBrush (wxT("WHITE"), wxSOLID);
 555   wxBLACK_BRUSH = new wxBrush (wxT("BLACK"), wxSOLID);
 556   wxTRANSPARENT_BRUSH = new wxBrush (wxT("BLACK"), wxTRANSPARENT);
 557   wxCYAN_BRUSH = new wxBrush (wxT("CYAN"), wxSOLID);
 558   wxRED_BRUSH = new wxBrush (wxT("RED"), wxSOLID);
 559   wxGREY_BRUSH = new wxBrush (wxT("GREY"), wxSOLID);
 560   wxMEDIUM_GREY_BRUSH = new wxBrush (wxT("MEDIUM GREY"), wxSOLID);
 561   wxLIGHT_GREY_BRUSH = new wxBrush (wxT("LIGHT GREY"), wxSOLID);
 562
 563   wxBLACK = new wxColour (wxT("BLACK"));
 564   wxWHITE = new wxColour (wxT("WHITE"));
 565   wxRED = new wxColour (wxT("RED"));
 566   wxBLUE = new wxColour (wxT("BLUE"));
 567   wxGREEN = new wxColour (wxT("GREEN"));
 568   wxCYAN = new wxColour (wxT("CYAN"));
 569   wxLIGHT_GREY = new wxColour (wxT("LIGHT GREY"));
 570
 571   wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 572   wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 573   wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 574 }
 575
 576 void wxDeleteStockObjects ()
 577 {
 578   wxDELETE(wxNORMAL_FONT);
 579   wxDELETE(wxSMALL_FONT);
 580   wxDELETE(wxITALIC_FONT);
 581   wxDELETE(wxSWISS_FONT);
 582
 583   wxDELETE(wxRED_PEN);
 584   wxDELETE(wxCYAN_PEN);
 585   wxDELETE(wxGREEN_PEN);
 586   wxDELETE(wxBLACK_PEN);
 587   wxDELETE(wxWHITE_PEN);
 588   wxDELETE(wxTRANSPARENT_PEN);
 589   wxDELETE(wxBLACK_DASHED_PEN);
 590   wxDELETE(wxGREY_PEN);
 591   wxDELETE(wxMEDIUM_GREY_PEN);
 592   wxDELETE(wxLIGHT_GREY_PEN);
 593
 594   wxDELETE(wxBLUE_BRUSH);
 595   wxDELETE(wxGREEN_BRUSH);
 596   wxDELETE(wxWHITE_BRUSH);
 597   wxDELETE(wxBLACK_BRUSH);
 598   wxDELETE(wxTRANSPARENT_BRUSH);
 599   wxDELETE(wxCYAN_BRUSH);
 600   wxDELETE(wxRED_BRUSH);
 601   wxDELETE(wxGREY_BRUSH);
 602   wxDELETE(wxMEDIUM_GREY_BRUSH);
 603   wxDELETE(wxLIGHT_GREY_BRUSH);
 604
 605   wxDELETE(wxBLACK);
 606   wxDELETE(wxWHITE);
 607   wxDELETE(wxRED);
 608   wxDELETE(wxBLUE);
 609   wxDELETE(wxGREEN);
 610   wxDELETE(wxCYAN);
 611   wxDELETE(wxLIGHT_GREY);
 612
 613   wxDELETE(wxSTANDARD_CURSOR);
 614   wxDELETE(wxHOURGLASS_CURSOR);
 615   wxDELETE(wxCROSS_CURSOR);
 616 }
 617
 618 void wxDeleteStockLists()
 619 {
 620   wxDELETE(wxTheBrushList);
 621   wxDELETE(wxThePenList);
 622   wxDELETE(wxTheFontList);
 623   wxDELETE(wxTheBitmapList);
 624 }
 625
 626 // ============================================================================
 627 // wxTheXXXList stuff (semi-obsolete)
 628 // ============================================================================
 629
 630 wxBitmapList::wxBitmapList()
 631 {
 632 }
 633
 634 wxBitmapList::~wxBitmapList ()
 635 {
 636   wxList::compatibility_iterator node = GetFirst ();
 637   while (node)
 638     {
 639       wxBitmap *bitmap = (wxBitmap *) node->GetData ();
 640       wxList::compatibility_iterator next = node->GetNext ();
 641       if (bitmap->GetVisible())
 642         delete bitmap;
 643       node = next;
 644     }
 645 }
 646
 647 // Pen and Brush lists
 648 wxPenList::~wxPenList ()
 649 {
 650   wxList::compatibility_iterator node = GetFirst ();
 651   while (node)
 652     {
 653       wxPen *pen = (wxPen *) node->GetData ();
 654       wxList::compatibility_iterator next = node->GetNext ();
 655       if (pen->GetVisible())
 656         delete pen;
 657       node = next;
 658     }
 659 }
 660
 661 void wxPenList::AddPen (wxPen * pen)
 662 {
 663   Append (pen);
 664 }
 665
 666 void wxPenList::RemovePen (wxPen * pen)
 667 {
 668   DeleteObject (pen);
 669 }
 670
 671 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 672 {
 673     for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
 674     {
 675         wxPen *each_pen = (wxPen *) node->GetData ();
 676         if (each_pen &&
 677                 each_pen->GetVisible() &&
 678                 each_pen->GetWidth () == width &&
 679                 each_pen->GetStyle () == style &&
 680                 each_pen->GetColour ().Red () == colour.Red () &&
 681                 each_pen->GetColour ().Green () == colour.Green () &&
 682                 each_pen->GetColour ().Blue () == colour.Blue ())
 683             return each_pen;
 684     }
 685
 686     wxPen *pen = new wxPen (colour, width, style);
 687     if ( !pen->Ok() )
 688     {
 689         // don't save the invalid pens in the list
 690         delete pen;
 691
 692         return NULL;
 693     }
 694
 695     AddPen(pen);
 696
 697     // we'll delete it ourselves later
 698     pen->SetVisible(TRUE);
 699
 700     return pen;
 701 }
 702
 703 wxBrushList::~wxBrushList ()
 704 {
 705   wxList::compatibility_iterator node = GetFirst ();
 706   while (node)
 707     {
 708       wxBrush *brush = (wxBrush *) node->GetData ();
 709       wxList::compatibility_iterator next = node->GetNext ();
 710       if (brush && brush->GetVisible())
 711         delete brush;
 712       node = next;
 713     }
 714 }
 715
 716 void wxBrushList::AddBrush (wxBrush * brush)
 717 {
 718   Append (brush);
 719 }
 720
 721 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 722 {
 723     for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
 724     {
 725         wxBrush *each_brush = (wxBrush *) node->GetData ();
 726         if (each_brush &&
 727                 each_brush->GetVisible() &&
 728                 each_brush->GetStyle () == style &&
 729                 each_brush->GetColour ().Red () == colour.Red () &&
 730                 each_brush->GetColour ().Green () == colour.Green () &&
 731                 each_brush->GetColour ().Blue () == colour.Blue ())
 732             return each_brush;
 733     }
 734
 735     wxBrush *brush = new wxBrush (colour, style);
 736
 737     if ( !brush->Ok() )
 738     {
 739         // don't put the brushes we failed to create into the list
 740         delete brush;
 741
 742         return NULL;
 743     }
 744
 745     AddBrush(brush);
 746
 747     // we'll delete it ourselves later
 748     brush->SetVisible(TRUE);
 749
 750     return brush;
 751 }
 752
 753 void wxBrushList::RemoveBrush (wxBrush * brush)
 754 {
 755   DeleteObject (brush);
 756 }
 757
 758 wxFontList::~wxFontList ()
 759 {
 760     wxList::compatibility_iterator node = GetFirst ();
 761     while (node)
 762     {
 763         // Only delete objects that are 'visible', i.e.
 764         // that have been created using FindOrCreate...,
 765         // where the pointers are expected to be shared
 766         // (and therefore not deleted by any one part of an app).
 767         wxFont *font = (wxFont *) node->GetData ();
 768         wxList::compatibility_iterator next = node->GetNext ();
 769         if (font->GetVisible())
 770             delete font;
 771         node = next;
 772     }
 773 }
 774
 775 void wxFontList::AddFont (wxFont * font)
 776 {
 777   Append (font);
 778 }
 779
 780 void wxFontList::RemoveFont (wxFont * font)
 781 {
 782   DeleteObject (font);
 783 }
 784
 785 wxFont *wxFontList::FindOrCreateFont(int pointSize,
 786                                      int family,
 787                                      int style,
 788                                      int weight,
 789                                      bool underline,
 790                                      const wxString& facename,
 791                                      wxFontEncoding encoding)
 792 {
 793     wxFont *font = (wxFont *)NULL;
 794     wxList::compatibility_iterator node;
 795     for ( node = GetFirst(); node; node = node->GetNext() )
 796     {
 797         font = (wxFont *)node->GetData();
 798         if ( font->GetVisible() &&
 799              font->Ok() &&
 800              font->GetPointSize () == pointSize &&
 801              font->GetStyle () == style &&
 802              font->GetWeight () == weight &&
 803              font->GetUnderlined () == underline )
 804         {
 805             int fontFamily = font->GetFamily();
 806
 807 #if defined(__WXGTK__)
 808             // under GTK the default family is wxSWISS, so looking for a font
 809             // with wxDEFAULT family should return a wxSWISS one instead of
 810             // creating a new one
 811             bool same = (fontFamily == family) ||
 812                         (fontFamily == wxSWISS && family == wxDEFAULT);
 813 #else // !GTK
 814             // VZ: but why elsewhere do we require an exact match? mystery...
 815             bool same = fontFamily == family;
 816 #endif // GTK/!GTK
 817
 818             // empty facename matches anything at all: this is bad because
 819             // depending on which fonts are already created, we might get back
 820             // a different font if we create it with empty facename, but it is
 821             // still better than never matching anything in the cache at all
 822             // in this case
 823             if ( same && !!facename )
 824             {
 825                 const wxString& fontFace = font->GetFaceName();
 826
 827                 // empty facename matches everything
 828                 same = !fontFace || fontFace == facename;
 829             }
 830
 831             if ( same && (encoding != wxFONTENCODING_DEFAULT) )
 832             {
 833                 // have to match the encoding too
 834                 same = font->GetEncoding() == encoding;
 835             }
 836
 837             if ( same )
 838             {
 839                 return font;
 840             }
 841         }
 842     }
 843
 844     if ( !node )
 845     {
 846         // font not found, create the new one
 847         font = new wxFont(pointSize, family, style, weight,
 848                           underline, facename, encoding);
 849
 850         AddFont(font);
 851
 852         // and mark it as being cacheable
 853         font->SetVisible(TRUE);
 854     }
 855
 856     return font;
 857 }
 858
 859 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 860 {
 861     Append(bitmap);
 862 }
 863
 864 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 865 {
 866     DeleteObject(bitmap);
 867 }
 868
 869 wxSize wxGetDisplaySize()
 870 {
 871     int x, y;
 872     wxDisplaySize(& x, & y);
 873     return wxSize(x, y);
 874 }
 875
 876 wxRect wxGetClientDisplayRect()
 877 {
 878     int x, y, width, height;
 879     wxClientDisplayRect(&x, &y, &width, &height);  // call plat-specific version
 880     return wxRect(x, y, width, height);
 881 }
 882
 883 wxSize wxGetDisplaySizeMM()
 884 {
 885     int x, y;
 886     wxDisplaySizeMM(& x, & y);
 887     return wxSize(x, y);
 888 }
 889
 890 wxResourceCache::~wxResourceCache ()
 891 {
 892     wxList::compatibility_iterator node = GetFirst ();
 893     while (node) {
 894         wxObject *item = (wxObject *)node->GetData();
 895         delete item;
 896
 897         node = node->GetNext ();
 898     }
 899 }
 900