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 and Markus Holzem
   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
  41 #include "wx/log.h"
  42 #include <string.h>
  43
  44 #ifdef __WXMSW__
  45 #include <windows.h>
  46 #endif
  47
  48 #ifdef __WXMOTIF__
  49 #ifdef __VMS__
  50 #pragma message disable nosimpint
  51 #endif
  52 #include <Xm/Xm.h>
  53 #ifdef __VMS__
  54 #pragma message enable nosimpint
  55 #endif
  56 #endif
  57
  58 #ifdef __WXX11__
  59 #include "X11/Xlib.h"
  60 #endif
  61
  62 #ifdef __WXMAC__
  63 #include "wx/mac/private.h"
  64 #include "wx/mac/uma.h"
  65 #endif
  66 IMPLEMENT_CLASS(wxColourDatabase, wxList)
  67 IMPLEMENT_DYNAMIC_CLASS(wxFontList, wxList)
  68 IMPLEMENT_DYNAMIC_CLASS(wxPenList, wxList)
  69 IMPLEMENT_DYNAMIC_CLASS(wxBrushList, wxList)
  70 IMPLEMENT_DYNAMIC_CLASS(wxBitmapList, wxList)
  71 IMPLEMENT_DYNAMIC_CLASS(wxResourceCache, wxList)
  72
  73 IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
  74
  75 wxRect::wxRect(const wxPoint& topLeft, const wxPoint& bottomRight)
  76 {
  77   x = topLeft.x;
  78   y = topLeft.y;
  79   width = bottomRight.x - topLeft.x + 1;
  80   height = bottomRight.y - topLeft.y + 1;
  81
  82   if (width < 0)
  83   {
  84     width = -width;
  85     x -= width;
  86   }
  87
  88   if (height < 0)
  89   {
  90     height = -height;
  91     y -= height;
  92   }
  93 }
  94
  95 wxRect::wxRect(const wxPoint& point, const wxSize& size)
  96 {
  97     x = point.x; y = point.y;
  98     width = size.x; height = size.y;
  99 }
 100
 101 bool wxRect::operator==(const wxRect& rect) const
 102 {
 103   return ((x == rect.x) &&
 104           (y == rect.y) &&
 105           (width == rect.width) &&
 106           (height == rect.height));
 107 }
 108
 109 wxRect& wxRect::operator += (const wxRect& rect)
 110 {
 111     *this = (*this + rect);
 112     return ( *this ) ;
 113 }
 114
 115 wxRect wxRect::operator + (const wxRect& rect) const
 116 {
 117     int x1 = wxMin(this->x, rect.x);
 118     int y1 = wxMin(this->y, rect.y);
 119     int y2 = wxMax(y+height, rect.height+rect.y);
 120     int x2 = wxMax(x+width, rect.width+rect.x);
 121     return wxRect(x1, y1, x2-x1, y2-y1);
 122 }
 123
 124 wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
 125 {
 126     x -= dx;
 127     y -= dy;
 128     width += 2*dx;
 129     height += 2*dy;
 130
 131     // check that we didn't make the rectangle invalid by accident (you almost
 132     // never want to have negative coords and never want negative size)
 133     if ( x < 0 )
 134         x = 0;
 135     if ( y < 0 )
 136         y = 0;
 137
 138     // what else can we do?
 139     if ( width < 0 )
 140         width = 0;
 141     if ( height < 0 )
 142         height = 0;
 143
 144     return *this;
 145 }
 146
 147 bool wxRect::Inside(int cx, int cy) const
 148 {
 149     return ( (cx >= x) && (cy >= y)
 150           && ((cy - y) < height)
 151           && ((cx - x) < width)
 152           );
 153 }
 154
 155 wxRect& wxRect::Intersect(const wxRect& rect)
 156 {
 157     int x2 = GetRight(),
 158         y2 = GetBottom();
 159
 160     if ( x < rect.x )
 161         x = rect.x;
 162     if ( y < rect.y )
 163         y = rect.y;
 164     if ( x2 > rect.GetRight() )
 165         x2 = rect.GetRight();
 166     if ( y2 > rect.GetBottom() )
 167         y2 = rect.GetBottom();
 168
 169     width = x2 - x + 1;
 170     height = y2 - y + 1;
 171
 172     if ( width <= 0 || height <= 0 )
 173     {
 174         width =
 175         height = 0;
 176     }
 177
 178     return *this;
 179 }
 180
 181 bool wxRect::Intersects(const wxRect& rect) const
 182 {
 183     wxRect r = Intersect(rect);
 184
 185     // if there is no intersection, both width and height are 0
 186     return r.width != 0;
 187 }
 188
 189 wxColourDatabase::wxColourDatabase (int type) : wxList (type)
 190 {
 191 }
 192
 193 wxColourDatabase::~wxColourDatabase ()
 194 {
 195   // Cleanup Colour allocated in Initialize()
 196   wxNode *node = First ();
 197   while (node)
 198     {
 199       wxColour *col = (wxColour *) node->Data ();
 200       wxNode *next = node->Next ();
 201       delete col;
 202       node = next;
 203     }
 204 #ifdef __WXPM__
 205     delete [] m_palTable;
 206 #endif
 207 }
 208
 209 // Colour database stuff
 210 void wxColourDatabase::Initialize ()
 211 {
 212     static const struct wxColourDesc
 213     {
 214         const wxChar *name;
 215         int r,g,b;
 216     }
 217     wxColourTable[] =
 218     {
 219         {wxT("AQUAMARINE"),112, 219, 147},
 220         {wxT("BLACK"),0, 0, 0},
 221         {wxT("BLUE"), 0, 0, 255},
 222         {wxT("BLUE VIOLET"), 159, 95, 159},
 223         {wxT("BROWN"), 165, 42, 42},
 224         {wxT("CADET BLUE"), 95, 159, 159},
 225         {wxT("CORAL"), 255, 127, 0},
 226         {wxT("CORNFLOWER BLUE"), 66, 66, 111},
 227         {wxT("CYAN"), 0, 255, 255},
 228         {wxT("DARK GREY"), 47, 47, 47},   // ?
 229
 230         {wxT("DARK GREEN"), 47, 79, 47},
 231         {wxT("DARK OLIVE GREEN"), 79, 79, 47},
 232         {wxT("DARK ORCHID"), 153, 50, 204},
 233         {wxT("DARK SLATE BLUE"), 107, 35, 142},
 234         {wxT("DARK SLATE GREY"), 47, 79, 79},
 235         {wxT("DARK TURQUOISE"), 112, 147, 219},
 236         {wxT("DIM GREY"), 84, 84, 84},
 237         {wxT("FIREBRICK"), 142, 35, 35},
 238         {wxT("FOREST GREEN"), 35, 142, 35},
 239         {wxT("GOLD"), 204, 127, 50},
 240         {wxT("GOLDENROD"), 219, 219, 112},
 241         {wxT("GREY"), 128, 128, 128},
 242         {wxT("GREEN"), 0, 255, 0},
 243         {wxT("GREEN YELLOW"), 147, 219, 112},
 244         {wxT("INDIAN RED"), 79, 47, 47},
 245         {wxT("KHAKI"), 159, 159, 95},
 246         {wxT("LIGHT BLUE"), 191, 216, 216},
 247         {wxT("LIGHT GREY"), 192, 192, 192},
 248         {wxT("LIGHT STEEL BLUE"), 143, 143, 188},
 249         {wxT("LIME GREEN"), 50, 204, 50},
 250         {wxT("LIGHT MAGENTA"), 255, 0, 255},
 251         {wxT("MAGENTA"), 255, 0, 255},
 252         {wxT("MAROON"), 142, 35, 107},
 253         {wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
 254         {wxT("MEDIUM GREY"), 100, 100, 100},
 255         {wxT("MEDIUM BLUE"), 50, 50, 204},
 256         {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 257         {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 258         {wxT("MEDIUM ORCHID"), 147, 112, 219},
 259         {wxT("MEDIUM SEA GREEN"), 66, 111, 66},
 260         {wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
 261         {wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
 262         {wxT("MEDIUM TURQUOISE"), 112, 219, 219},
 263         {wxT("MEDIUM VIOLET RED"), 219, 112, 147},
 264         {wxT("MIDNIGHT BLUE"), 47, 47, 79},
 265         {wxT("NAVY"), 35, 35, 142},
 266         {wxT("ORANGE"), 204, 50, 50},
 267         {wxT("ORANGE RED"), 255, 0, 127},
 268         {wxT("ORCHID"), 219, 112, 219},
 269         {wxT("PALE GREEN"), 143, 188, 143},
 270         {wxT("PINK"), 188, 143, 234},
 271         {wxT("PLUM"), 234, 173, 234},
 272         {wxT("PURPLE"), 176, 0, 255},
 273         {wxT("RED"), 255, 0, 0},
 274         {wxT("SALMON"), 111, 66, 66},
 275         {wxT("SEA GREEN"), 35, 142, 107},
 276         {wxT("SIENNA"), 142, 107, 35},
 277         {wxT("SKY BLUE"), 50, 153, 204},
 278         {wxT("SLATE BLUE"), 0, 127, 255},
 279         {wxT("SPRING GREEN"), 0, 255, 127},
 280         {wxT("STEEL BLUE"), 35, 107, 142},
 281         {wxT("TAN"), 219, 147, 112},
 282         {wxT("THISTLE"), 216, 191, 216},
 283         {wxT("TURQUOISE"), 173, 234, 234},
 284         {wxT("VIOLET"), 79, 47, 79},
 285         {wxT("VIOLET RED"), 204, 50, 153},
 286         {wxT("WHEAT"), 216, 216, 191},
 287         {wxT("WHITE"), 255, 255, 255},
 288         {wxT("YELLOW"), 255, 255, 0},
 289         {wxT("YELLOW GREEN"), 153, 204, 50},
 290         {wxT("MEDIUM GOLDENROD"), 234, 234, 173},
 291         {wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
 292         {wxT("LIGHT MAGENTA"), 255, 0, 255},
 293         {wxT("MEDIUM GREY"), 100, 100, 100},
 294     };
 295
 296     size_t      n;
 297
 298     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 299     {
 300         const wxColourDesc& cc = wxColourTable[n];
 301         Append(cc.name, new wxColour(cc.r,cc.g,cc.b));
 302     }
 303 #ifdef __WXPM__
 304     m_palTable = new long[n];
 305     for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
 306     {
 307         const wxColourDesc& cc = wxColourTable[n];
 308         m_palTable[n] = OS2RGB(cc.r,cc.g,cc.b);
 309     }
 310     m_nSize = n;
 311 #endif
 312 }
 313
 314 /*
 315  * Changed by Ian Brown, July 1994.
 316  *
 317  * When running under X, the Colour Database starts off empty. The X server
 318  * is queried for the colour first time after which it is entered into the
 319  * database. This allows our client to use the server colour database which
 320  * is hopefully gamma corrected for the display being used.
 321  */
 322
 323 wxColour *wxColourDatabase::FindColour(const wxString& colour)
 324 {
 325     // VZ: make the comparaison case insensitive and also match both grey and
 326     //     gray
 327     wxString colName = colour;
 328     colName.MakeUpper();
 329     wxString colName2 = colName;
 330     if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
 331         colName2.clear();
 332
 333     wxNode *node = First();
 334     while ( node )
 335     {
 336         const wxChar *key = node->GetKeyString();
 337         if ( colName == key || colName2 == key )
 338         {
 339             return (wxColour *)node->Data();
 340         }
 341
 342         node = node->Next();
 343     }
 344
 345 #ifdef __WXMSW__
 346   return NULL;
 347 #endif
 348 #ifdef __WXPM__
 349   return NULL;
 350 #endif
 351 #ifdef __WXMGL__
 352   return NULL;
 353 #endif
 354
 355 // TODO for other implementations. This should really go into
 356 // platform-specific directories.
 357 #ifdef __WXMAC__
 358   return NULL;
 359 #endif
 360 #ifdef __WXSTUBS__
 361   return NULL;
 362 #endif
 363
 364 #ifdef __WXGTK__
 365   wxColour *col = new wxColour( colour );
 366
 367   if (!(col->Ok()))
 368   {
 369       delete col;
 370       return (wxColour *) NULL;
 371   }
 372   Append( colour, col );
 373   return col;
 374 #endif
 375
 376 #ifdef __X__
 377     XColor xcolour;
 378
 379 #ifdef __WXMOTIF__
 380     Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ;
 381 #endif
 382 #ifdef __WXX11__
 383     Display* display = (Display*) wxGetDisplay();
 384 #endif
 385     /* MATTHEW: [4] Use wxGetMainColormap */
 386     if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour.ToAscii() ,&xcolour))
 387       return NULL;
 388
 389 #if wxUSE_NANOX
 390     unsigned char r = (unsigned char)(xcolour.red);
 391     unsigned char g = (unsigned char)(xcolour.green);
 392     unsigned char b = (unsigned char)(xcolour.blue);
 393 #else
 394     unsigned char r = (unsigned char)(xcolour.red >> 8);
 395     unsigned char g = (unsigned char)(xcolour.green >> 8);
 396     unsigned char b = (unsigned char)(xcolour.blue >> 8);
 397 #endif
 398
 399     wxColour *col = new wxColour(r, g, b);
 400     Append(colour, col);
 401
 402     return col;
 403 #endif // __X__
 404 }
 405
 406 wxString wxColourDatabase::FindName (const wxColour& colour) const
 407 {
 408     wxString name;
 409
 410     unsigned char red = colour.Red ();
 411     unsigned char green = colour.Green ();
 412     unsigned char blue = colour.Blue ();
 413
 414     for (wxNode * node = First (); node; node = node->Next ())
 415     {
 416         wxColour *col = (wxColour *) node->Data ();
 417
 418         if (col->Red () == red && col->Green () == green && col->Blue () == blue)
 419         {
 420             const wxChar *found = node->GetKeyString();
 421             if ( found )
 422             {
 423                 name = found;
 424
 425                 break;
 426             }
 427         }
 428     }
 429
 430     return name;
 431 }
 432
 433 void wxInitializeStockLists()
 434 {
 435   wxTheBrushList = new wxBrushList;
 436   wxThePenList = new wxPenList;
 437   wxTheFontList = new wxFontList;
 438   wxTheBitmapList = new wxBitmapList;
 439 }
 440
 441 void wxInitializeStockObjects ()
 442 {
 443 #ifdef __WXMOTIF__
 444 #endif
 445 #ifdef __X__
 446   // TODO
 447   //  wxFontPool = new XFontPool;
 448 #endif
 449
 450   // why under MSW fonts shouldn't have the standard system size?
 451 /*
 452 #ifdef __WXMSW__
 453   static const int sizeFont = 10;
 454 #else
 455 #endif
 456 */
 457 #if defined(__WXMAC__)
 458     int sizeFont = 12;
 459
 460     Str255 fontName ;
 461     SInt16 fontSize ;
 462     Style fontStyle ;
 463
 464         GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 465         sizeFont = fontSize ;
 466     p2cstrcpy( (char*) fontName , fontName ) ;
 467     wxSWISS_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , fontName );
 468 #elif defined(__WXPM__)
 469   static const int sizeFont = 12;
 470 #else
 471   wxNORMAL_FONT = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 472   static const int sizeFont = wxNORMAL_FONT->GetPointSize();
 473 #endif
 474
 475 #if defined(__WXPM__)
 476   /*
 477   // Basic OS/2 has a fairly limited number of fonts and these are as good
 478   // as I can do to get something that looks halfway "wx" normal
 479   */
 480   wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxBOLD);
 481   wxSMALL_FONT = new wxFont (sizeFont - 4, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 482   wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 483   wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
 484 #elif defined(__WXMAC__)
 485     wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxNORMAL);
 486     wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 487         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 488     p2cstrcpy( (char*) fontName , fontName ) ;
 489     wxSMALL_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , fontName );
 490 #else
 491   wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL);
 492   wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
 493   wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL);
 494 #endif
 495
 496   wxRED_PEN = new wxPen (wxT("RED"), 1, wxSOLID);
 497   wxCYAN_PEN = new wxPen (wxT("CYAN"), 1, wxSOLID);
 498   wxGREEN_PEN = new wxPen (wxT("GREEN"), 1, wxSOLID);
 499   wxBLACK_PEN = new wxPen (wxT("BLACK"), 1, wxSOLID);
 500   wxWHITE_PEN = new wxPen (wxT("WHITE"), 1, wxSOLID);
 501   wxTRANSPARENT_PEN = new wxPen (wxT("BLACK"), 1, wxTRANSPARENT);
 502   wxBLACK_DASHED_PEN = new wxPen (wxT("BLACK"), 1, wxSHORT_DASH);
 503   wxGREY_PEN = new wxPen (wxT("GREY"), 1, wxSOLID);
 504   wxMEDIUM_GREY_PEN = new wxPen (wxT("MEDIUM GREY"), 1, wxSOLID);
 505   wxLIGHT_GREY_PEN = new wxPen (wxT("LIGHT GREY"), 1, wxSOLID);
 506
 507   wxBLUE_BRUSH = new wxBrush (wxT("BLUE"), wxSOLID);
 508   wxGREEN_BRUSH = new wxBrush (wxT("GREEN"), wxSOLID);
 509   wxWHITE_BRUSH = new wxBrush (wxT("WHITE"), wxSOLID);
 510   wxBLACK_BRUSH = new wxBrush (wxT("BLACK"), wxSOLID);
 511   wxTRANSPARENT_BRUSH = new wxBrush (wxT("BLACK"), wxTRANSPARENT);
 512   wxCYAN_BRUSH = new wxBrush (wxT("CYAN"), wxSOLID);
 513   wxRED_BRUSH = new wxBrush (wxT("RED"), wxSOLID);
 514   wxGREY_BRUSH = new wxBrush (wxT("GREY"), wxSOLID);
 515   wxMEDIUM_GREY_BRUSH = new wxBrush (wxT("MEDIUM GREY"), wxSOLID);
 516   wxLIGHT_GREY_BRUSH = new wxBrush (wxT("LIGHT GREY"), wxSOLID);
 517
 518   wxBLACK = new wxColour (wxT("BLACK"));
 519   wxWHITE = new wxColour (wxT("WHITE"));
 520   wxRED = new wxColour (wxT("RED"));
 521   wxBLUE = new wxColour (wxT("BLUE"));
 522   wxGREEN = new wxColour (wxT("GREEN"));
 523   wxCYAN = new wxColour (wxT("CYAN"));
 524   wxLIGHT_GREY = new wxColour (wxT("LIGHT GREY"));
 525
 526   wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
 527   wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
 528   wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
 529 }
 530
 531 void wxDeleteStockObjects ()
 532 {
 533   wxDELETE(wxNORMAL_FONT);
 534   wxDELETE(wxSMALL_FONT);
 535   wxDELETE(wxITALIC_FONT);
 536   wxDELETE(wxSWISS_FONT);
 537
 538   wxDELETE(wxRED_PEN);
 539   wxDELETE(wxCYAN_PEN);
 540   wxDELETE(wxGREEN_PEN);
 541   wxDELETE(wxBLACK_PEN);
 542   wxDELETE(wxWHITE_PEN);
 543   wxDELETE(wxTRANSPARENT_PEN);
 544   wxDELETE(wxBLACK_DASHED_PEN);
 545   wxDELETE(wxGREY_PEN);
 546   wxDELETE(wxMEDIUM_GREY_PEN);
 547   wxDELETE(wxLIGHT_GREY_PEN);
 548
 549   wxDELETE(wxBLUE_BRUSH);
 550   wxDELETE(wxGREEN_BRUSH);
 551   wxDELETE(wxWHITE_BRUSH);
 552   wxDELETE(wxBLACK_BRUSH);
 553   wxDELETE(wxTRANSPARENT_BRUSH);
 554   wxDELETE(wxCYAN_BRUSH);
 555   wxDELETE(wxRED_BRUSH);
 556   wxDELETE(wxGREY_BRUSH);
 557   wxDELETE(wxMEDIUM_GREY_BRUSH);
 558   wxDELETE(wxLIGHT_GREY_BRUSH);
 559
 560   wxDELETE(wxBLACK);
 561   wxDELETE(wxWHITE);
 562   wxDELETE(wxRED);
 563   wxDELETE(wxBLUE);
 564   wxDELETE(wxGREEN);
 565   wxDELETE(wxCYAN);
 566   wxDELETE(wxLIGHT_GREY);
 567
 568   wxDELETE(wxSTANDARD_CURSOR);
 569   wxDELETE(wxHOURGLASS_CURSOR);
 570   wxDELETE(wxCROSS_CURSOR);
 571 }
 572
 573 void wxDeleteStockLists()
 574 {
 575   wxDELETE(wxTheBrushList);
 576   wxDELETE(wxThePenList);
 577   wxDELETE(wxTheFontList);
 578   wxDELETE(wxTheBitmapList);
 579 }
 580
 581 // ============================================================================
 582 // wxTheXXXList stuff (semi-obsolete)
 583 // ============================================================================
 584
 585 wxBitmapList::wxBitmapList()
 586 {
 587 }
 588
 589 wxBitmapList::~wxBitmapList ()
 590 {
 591   wxNode *node = First ();
 592   while (node)
 593     {
 594       wxBitmap *bitmap = (wxBitmap *) node->Data ();
 595       wxNode *next = node->Next ();
 596       if (bitmap->GetVisible())
 597         delete bitmap;
 598       node = next;
 599     }
 600 }
 601
 602 // Pen and Brush lists
 603 wxPenList::~wxPenList ()
 604 {
 605   wxNode *node = First ();
 606   while (node)
 607     {
 608       wxPen *pen = (wxPen *) node->Data ();
 609       wxNode *next = node->Next ();
 610       if (pen->GetVisible())
 611         delete pen;
 612       node = next;
 613     }
 614 }
 615
 616 void wxPenList::AddPen (wxPen * pen)
 617 {
 618   Append (pen);
 619 }
 620
 621 void wxPenList::RemovePen (wxPen * pen)
 622 {
 623   DeleteObject (pen);
 624 }
 625
 626 wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
 627 {
 628     for (wxNode * node = First (); node; node = node->Next ())
 629     {
 630         wxPen *each_pen = (wxPen *) node->Data ();
 631         if (each_pen &&
 632                 each_pen->GetVisible() &&
 633                 each_pen->GetWidth () == width &&
 634                 each_pen->GetStyle () == style &&
 635                 each_pen->GetColour ().Red () == colour.Red () &&
 636                 each_pen->GetColour ().Green () == colour.Green () &&
 637                 each_pen->GetColour ().Blue () == colour.Blue ())
 638             return each_pen;
 639     }
 640
 641     wxPen *pen = new wxPen (colour, width, style);
 642     if ( !pen->Ok() )
 643     {
 644         // don't save the invalid pens in the list
 645         delete pen;
 646
 647         return NULL;
 648     }
 649
 650     AddPen(pen);
 651
 652     // we'll delete it ourselves later
 653     pen->SetVisible(TRUE);
 654
 655     return pen;
 656 }
 657
 658 wxBrushList::~wxBrushList ()
 659 {
 660   wxNode *node = First ();
 661   while (node)
 662     {
 663       wxBrush *brush = (wxBrush *) node->Data ();
 664       wxNode *next = node->Next ();
 665       if (brush && brush->GetVisible())
 666         delete brush;
 667       node = next;
 668     }
 669 }
 670
 671 void wxBrushList::AddBrush (wxBrush * brush)
 672 {
 673   Append (brush);
 674 }
 675
 676 wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
 677 {
 678     for (wxNode * node = First (); node; node = node->Next ())
 679     {
 680         wxBrush *each_brush = (wxBrush *) node->Data ();
 681         if (each_brush &&
 682                 each_brush->GetVisible() &&
 683                 each_brush->GetStyle () == style &&
 684                 each_brush->GetColour ().Red () == colour.Red () &&
 685                 each_brush->GetColour ().Green () == colour.Green () &&
 686                 each_brush->GetColour ().Blue () == colour.Blue ())
 687             return each_brush;
 688     }
 689
 690     wxBrush *brush = new wxBrush (colour, style);
 691
 692     if ( !brush->Ok() )
 693     {
 694         // don't put the brushes we failed to create into the list
 695         delete brush;
 696
 697         return NULL;
 698     }
 699
 700     AddBrush(brush);
 701
 702     // we'll delete it ourselves later
 703     brush->SetVisible(TRUE);
 704
 705     return brush;
 706 }
 707
 708 void wxBrushList::RemoveBrush (wxBrush * brush)
 709 {
 710   DeleteObject (brush);
 711 }
 712
 713 wxFontList::~wxFontList ()
 714 {
 715     wxNode *node = First ();
 716     while (node)
 717     {
 718         // Only delete objects that are 'visible', i.e.
 719         // that have been created using FindOrCreate...,
 720         // where the pointers are expected to be shared
 721         // (and therefore not deleted by any one part of an app).
 722         wxFont *font = (wxFont *) node->Data ();
 723         wxNode *next = node->Next ();
 724         if (font->GetVisible())
 725             delete font;
 726         node = next;
 727     }
 728 }
 729
 730 void wxFontList::AddFont (wxFont * font)
 731 {
 732   Append (font);
 733 }
 734
 735 void wxFontList::RemoveFont (wxFont * font)
 736 {
 737   DeleteObject (font);
 738 }
 739
 740 wxFont *wxFontList::FindOrCreateFont(int pointSize,
 741                                      int family,
 742                                      int style,
 743                                      int weight,
 744                                      bool underline,
 745                                      const wxString& facename,
 746                                      wxFontEncoding encoding)
 747 {
 748     wxFont *font = (wxFont *)NULL;
 749     wxNode *node;
 750     for ( node = First(); node; node = node->Next() )
 751     {
 752         font = (wxFont *)node->Data();
 753         if ( font->GetVisible() &&
 754              font->Ok() &&
 755              font->GetPointSize () == pointSize &&
 756              font->GetStyle () == style &&
 757              font->GetWeight () == weight &&
 758              font->GetUnderlined () == underline )
 759         {
 760             int fontFamily = font->GetFamily();
 761
 762 #if defined(__WXGTK__)
 763             // under GTK the default family is wxSWISS, so looking for a font
 764             // with wxDEFAULT family should return a wxSWISS one instead of
 765             // creating a new one
 766             bool same = (fontFamily == family) ||
 767                         (fontFamily == wxSWISS && family == wxDEFAULT);
 768 #else // !GTK
 769             // VZ: but why elsewhere do we require an exact match? mystery...
 770             bool same = fontFamily == family;
 771 #endif // GTK/!GTK
 772
 773             // empty facename matches anything at all: this is bad because
 774             // depending on which fonts are already created, we might get back
 775             // a different font if we create it with empty facename, but it is
 776             // still better than never matching anything in the cache at all
 777             // in this case
 778             if ( same && !!facename )
 779             {
 780                 const wxString& fontFace = font->GetFaceName();
 781
 782                 // empty facename matches everything
 783                 same = !fontFace || fontFace == facename;
 784             }
 785
 786             if ( same && (encoding != wxFONTENCODING_DEFAULT) )
 787             {
 788                 // have to match the encoding too
 789                 same = font->GetEncoding() == encoding;
 790             }
 791
 792             if ( same )
 793             {
 794                 return font;
 795             }
 796         }
 797     }
 798
 799     if ( !node )
 800     {
 801         // font not found, create the new one
 802         font = new wxFont(pointSize, family, style, weight,
 803                           underline, facename, encoding);
 804
 805         AddFont(font);
 806
 807         // and mark it as being cacheable
 808         font->SetVisible(TRUE);
 809     }
 810
 811     return font;
 812 }
 813
 814 void wxBitmapList::AddBitmap(wxBitmap *bitmap)
 815 {
 816     Append(bitmap);
 817 }
 818
 819 void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
 820 {
 821     DeleteObject(bitmap);
 822 }
 823
 824 wxSize wxGetDisplaySize()
 825 {
 826     int x, y;
 827     wxDisplaySize(& x, & y);
 828     return wxSize(x, y);
 829 }
 830
 831 wxRect wxGetClientDisplayRect()
 832 {
 833     int x, y, width, height;
 834     wxClientDisplayRect(&x, &y, &width, &height);  // call plat-specific version
 835     return wxRect(x, y, width, height);
 836 }
 837
 838 wxSize wxGetDisplaySizeMM()
 839 {
 840     int x, y;
 841     wxDisplaySizeMM(& x, & y);
 842     return wxSize(x, y);
 843 }
 844
 845 wxResourceCache::~wxResourceCache ()
 846 {
 847     wxNode *node = First ();
 848     while (node) {
 849         wxObject *item = (wxObject *)node->Data();
 850         delete item;
 851
 852         node = node->Next ();
 853     }
 854 }
 855