src/common/gdicmn.cpp

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