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