include/wx/gdicmn.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gdicmn.h
   3 // Purpose:     Common GDI classes, types and declarations
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GDICMNH__
  13 #define _WX_GDICMNH__
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  20     #pragma interface "gdicmn.h"
  21 #endif
  22
  23 #include "wx/setup.h"
  24 #include "wx/list.h"
  25 #include "wx/string.h"
  26 #include "wx/fontenc.h"
  27 #include "wx/hashmap.h"
  28
  29 // ---------------------------------------------------------------------------
  30 // forward declarations
  31 // ---------------------------------------------------------------------------
  32
  33 class WXDLLIMPEXP_CORE wxBitmap;
  34 class WXDLLIMPEXP_CORE wxBrush;
  35 class WXDLLIMPEXP_CORE wxColour;
  36 class WXDLLIMPEXP_CORE wxCursor;
  37 class WXDLLIMPEXP_CORE wxFont;
  38 class WXDLLIMPEXP_CORE wxIcon;
  39 class WXDLLIMPEXP_CORE wxPalette;
  40 class WXDLLIMPEXP_CORE wxPen;
  41 class WXDLLIMPEXP_CORE wxRegion;
  42 class WXDLLIMPEXP_BASE wxString;
  43
  44 // ---------------------------------------------------------------------------
  45 // constants
  46 // ---------------------------------------------------------------------------
  47
  48 // Bitmap flags
  49 enum wxBitmapType
  50 {
  51     wxBITMAP_TYPE_INVALID,          // should be == 0 for compatibility!
  52     wxBITMAP_TYPE_BMP,
  53     wxBITMAP_TYPE_BMP_RESOURCE,
  54     wxBITMAP_TYPE_RESOURCE = wxBITMAP_TYPE_BMP_RESOURCE,
  55     wxBITMAP_TYPE_ICO,
  56     wxBITMAP_TYPE_ICO_RESOURCE,
  57     wxBITMAP_TYPE_CUR,
  58     wxBITMAP_TYPE_CUR_RESOURCE,
  59     wxBITMAP_TYPE_XBM,
  60     wxBITMAP_TYPE_XBM_DATA,
  61     wxBITMAP_TYPE_XPM,
  62     wxBITMAP_TYPE_XPM_DATA,
  63     wxBITMAP_TYPE_TIF,
  64     wxBITMAP_TYPE_TIF_RESOURCE,
  65     wxBITMAP_TYPE_GIF,
  66     wxBITMAP_TYPE_GIF_RESOURCE,
  67     wxBITMAP_TYPE_PNG,
  68     wxBITMAP_TYPE_PNG_RESOURCE,
  69     wxBITMAP_TYPE_JPEG,
  70     wxBITMAP_TYPE_JPEG_RESOURCE,
  71     wxBITMAP_TYPE_PNM,
  72     wxBITMAP_TYPE_PNM_RESOURCE,
  73     wxBITMAP_TYPE_PCX,
  74     wxBITMAP_TYPE_PCX_RESOURCE,
  75     wxBITMAP_TYPE_PICT,
  76     wxBITMAP_TYPE_PICT_RESOURCE,
  77     wxBITMAP_TYPE_ICON,
  78     wxBITMAP_TYPE_ICON_RESOURCE,
  79     wxBITMAP_TYPE_ANI,
  80     wxBITMAP_TYPE_IFF,
  81     wxBITMAP_TYPE_MACCURSOR,
  82     wxBITMAP_TYPE_MACCURSOR_RESOURCE,
  83     wxBITMAP_TYPE_ANY = 50
  84 };
  85
  86 // Standard cursors
  87 enum wxStockCursor
  88 {
  89     wxCURSOR_NONE,          // should be 0
  90     wxCURSOR_ARROW,
  91     wxCURSOR_RIGHT_ARROW,
  92     wxCURSOR_BULLSEYE,
  93     wxCURSOR_CHAR,
  94     wxCURSOR_CROSS,
  95     wxCURSOR_HAND,
  96     wxCURSOR_IBEAM,
  97     wxCURSOR_LEFT_BUTTON,
  98     wxCURSOR_MAGNIFIER,
  99     wxCURSOR_MIDDLE_BUTTON,
 100     wxCURSOR_NO_ENTRY,
 101     wxCURSOR_PAINT_BRUSH,
 102     wxCURSOR_PENCIL,
 103     wxCURSOR_POINT_LEFT,
 104     wxCURSOR_POINT_RIGHT,
 105     wxCURSOR_QUESTION_ARROW,
 106     wxCURSOR_RIGHT_BUTTON,
 107     wxCURSOR_SIZENESW,
 108     wxCURSOR_SIZENS,
 109     wxCURSOR_SIZENWSE,
 110     wxCURSOR_SIZEWE,
 111     wxCURSOR_SIZING,
 112     wxCURSOR_SPRAYCAN,
 113     wxCURSOR_WAIT,
 114     wxCURSOR_WATCH,
 115     wxCURSOR_BLANK,
 116 #ifdef __WXGTK__
 117     wxCURSOR_DEFAULT, // standard X11 cursor
 118 #endif
 119 #ifdef __WXMAC__
 120     wxCURSOR_COPY_ARROW , // MacOS Theme Plus arrow
 121 #endif
 122 #ifdef __X__
 123     // Not yet implemented for Windows
 124     wxCURSOR_CROSS_REVERSE,
 125     wxCURSOR_DOUBLE_ARROW,
 126     wxCURSOR_BASED_ARROW_UP,
 127     wxCURSOR_BASED_ARROW_DOWN,
 128 #endif // X11
 129
 130     wxCURSOR_ARROWWAIT,
 131
 132     wxCURSOR_MAX
 133 };
 134
 135 #ifndef __WXGTK__
 136     #define wxCURSOR_DEFAULT wxCURSOR_ARROW
 137 #endif
 138
 139 // ---------------------------------------------------------------------------
 140 // macros
 141 // ---------------------------------------------------------------------------
 142
 143 /* Useful macro for creating icons portably, for example:
 144
 145     wxIcon *icon = new wxICON(mondrian);
 146
 147   expands into:
 148
 149     wxIcon *icon = new wxIcon("mondrian");      // On wxMSW
 150     wxIcon *icon = new wxIcon(mondrian_xpm);    // On wxGTK
 151  */
 152
 153 #ifdef __WXMSW__
 154     // Load from a resource
 155     #define wxICON(X) wxIcon(wxT(#X))
 156 #elif defined(__WXPM__)
 157     // Load from a resource
 158     #define wxICON(X) wxIcon(wxT(#X))
 159 #elif defined(__WXMGL__)
 160     // Initialize from an included XPM
 161     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 162 #elif defined(__WXGTK__)
 163     // Initialize from an included XPM
 164     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 165 #elif defined(__WXMAC__)
 166     // Initialize from an included XPM
 167     #define wxICON(X) wxIcon( (const char**) X##_xpm )
 168 #elif defined(__WXMOTIF__)
 169     // Initialize from an included XPM
 170     #define wxICON(X) wxIcon( X##_xpm )
 171 #elif defined(__WXX11__)
 172     // Initialize from an included XPM
 173     #define wxICON(X) wxIcon( X##_xpm )
 174 #else
 175     // This will usually mean something on any platform
 176     #define wxICON(X) wxIcon(wxT(#X))
 177 #endif // platform
 178
 179 /* Another macro: this one is for portable creation of bitmaps. We assume that
 180    under Unix bitmaps live in XPMs and under Windows they're in ressources.
 181  */
 182
 183 #if defined(__WXMSW__) || defined(__WXPM__)
 184     #define wxBITMAP(name) wxBitmap(wxT(#name), wxBITMAP_TYPE_RESOURCE)
 185 #elif defined(__WXGTK__)   || \
 186       defined(__WXMOTIF__) || \
 187       defined(__WXX11__)   || \
 188       defined(__WXMAC__)   || \
 189       defined(__WXMGL__)   || \
 190       defined(__WXCOCOA__)
 191     // Initialize from an included XPM
 192     #define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
 193 #else // other platforms
 194     #define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
 195 #endif // platform
 196
 197 // ===========================================================================
 198 // classes
 199 // ===========================================================================
 200
 201 // ---------------------------------------------------------------------------
 202 // wxSize
 203 // ---------------------------------------------------------------------------
 204
 205 class WXDLLEXPORT wxSize
 206 {
 207 public:
 208     // members are public for compatibility, don't use them directly.
 209     int x, y;
 210
 211     // constructors
 212     wxSize() : x(0), y(0) { }
 213     wxSize(int xx, int yy) : x(xx), y(yy) { }
 214
 215     // no copy ctor or assignment operator - the defaults are ok
 216
 217     bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
 218     bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
 219
 220     // FIXME are these really useful? If they're, we should have += &c as well
 221     wxSize operator+(const wxSize& sz) { return wxSize(x + sz.x, y + sz.y); }
 222     wxSize operator-(const wxSize& sz) { return wxSize(x - sz.x, y - sz.y); }
 223
 224     void IncTo(const wxSize& sz)
 225         { if ( sz.x > x ) x = sz.x; if ( sz.y > y ) y = sz.y; }
 226     void DecTo(const wxSize& sz)
 227         { if ( sz.x < x ) x = sz.x; if ( sz.y < y ) y = sz.y; }
 228
 229     // accessors
 230     void Set(int xx, int yy) { x = xx; y = yy; }
 231     void SetWidth(int w) { x = w; }
 232     void SetHeight(int h) { y = h; }
 233
 234     int GetWidth() const { return x; }
 235     int GetHeight() const { return y; }
 236
 237     bool IsFullySpecified() const { return x != wxDefaultCoord && y != wxDefaultCoord; }
 238
 239     // combine this size with the other one replacing the default (i.e. equal
 240     // to wxDefaultCoord) components of this object with those of the other
 241     void SetDefaults(const wxSize& size)
 242     {
 243         if ( x == wxDefaultCoord )
 244             x = size.x;
 245         if ( y == wxDefaultCoord )
 246             y = size.y;
 247     }
 248
 249     // compatibility
 250     int GetX() const { return x; }
 251     int GetY() const { return y; }
 252 };
 253
 254 // ---------------------------------------------------------------------------
 255 // Point classes: with real or integer coordinates
 256 // ---------------------------------------------------------------------------
 257
 258 class WXDLLEXPORT wxRealPoint
 259 {
 260 public:
 261     double x;
 262     double y;
 263
 264     wxRealPoint() : x(0.0), y(0.0) { }
 265     wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
 266
 267     wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
 268     wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
 269
 270     bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
 271     bool operator!=(const wxRealPoint& pt) const { return x != pt.x || y != pt.y; }
 272 };
 273
 274 class WXDLLEXPORT wxPoint
 275 {
 276 public:
 277     int x, y;
 278
 279     wxPoint() : x(0), y(0) { }
 280     wxPoint(int xx, int yy) : x(xx), y(yy) { }
 281
 282     // no copy ctor or assignment operator - the defaults are ok
 283
 284     // comparison
 285     bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
 286     bool operator!=(const wxPoint& p) const { return !(*this == p); }
 287
 288     // arithmetic operations (component wise)
 289     wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
 290     wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
 291
 292     wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
 293     wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
 294
 295     wxPoint& operator+=(const wxSize& s) { x += s.GetWidth(); y += s.GetHeight(); return *this; }
 296     wxPoint& operator-=(const wxSize& s) { x -= s.GetWidth(); y -= s.GetHeight(); return *this; }
 297
 298     wxPoint operator+(const wxSize& s) const { return wxPoint(x + s.GetWidth(), y + s.GetHeight()); }
 299     wxPoint operator-(const wxSize& s) const { return wxPoint(x - s.GetWidth(), y - s.GetHeight()); }
 300 };
 301
 302 // ---------------------------------------------------------------------------
 303 // wxRect
 304 // ---------------------------------------------------------------------------
 305
 306 class WXDLLEXPORT wxRect
 307 {
 308 public:
 309     wxRect()
 310         : x(0), y(0), width(0), height(0)
 311         { }
 312     wxRect(int xx, int yy, int ww, int hh)
 313         : x(xx), y(yy), width(ww), height(hh)
 314         { }
 315     wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
 316     wxRect(const wxPoint& pos, const wxSize& size);
 317     wxRect(const wxSize& size);
 318
 319     // default copy ctor and assignment operators ok
 320
 321     int GetX() const { return x; }
 322     void SetX(int xx) { x = xx; }
 323
 324     int GetY() const { return y; }
 325     void SetY(int yy) { y = yy; }
 326
 327     int GetWidth() const { return width; }
 328     void SetWidth(int w) { width = w; }
 329
 330     int GetHeight() const { return height; }
 331     void SetHeight(int h) { height = h; }
 332
 333     wxPoint GetPosition() const { return wxPoint(x, y); }
 334     void SetPosition( const wxPoint &p ) { x = p.x; y = p.y; }
 335
 336     wxSize GetSize() const { return wxSize(width, height); }
 337     void SetSize( const wxSize &s ) { width = s.GetWidth(); height = s.GetHeight(); }
 338
 339     wxPoint GetTopLeft() const { return GetPosition(); }
 340     wxPoint GetLeftTop() const { return GetTopLeft(); }
 341     void SetTopLeft(const wxPoint &p) { SetPosition(p); }
 342     void SetLeftTop(const wxPoint &p) { SetTopLeft(p); }
 343
 344     wxPoint GetBottomRight() const { return wxPoint(GetRight(), GetBottom()); }
 345     wxPoint GetRightBottom() const { return GetBottomRight(); }
 346     void SetBottomRight(const wxPoint &p) { SetRight(p.x); SetBottom(p.y); }
 347     void SetRightBottom(const wxPoint &p) { SetBottomRight(p); }
 348
 349     int GetLeft()   const { return x; }
 350     int GetTop()    const { return y; }
 351     int GetBottom() const { return y + height - 1; }
 352     int GetRight()  const { return x + width - 1; }
 353
 354     void SetLeft(int left) { x = left; }
 355     void SetRight(int right) { width = right - x + 1; }
 356     void SetTop(int top) { y = top; }
 357     void SetBottom(int bottom) { height = bottom - y + 1; }
 358
 359     // operations with rect
 360     wxRect& Inflate(wxCoord dx, wxCoord dy);
 361     wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
 362     wxRect Inflate(wxCoord dx, wxCoord dy) const
 363     {
 364         wxRect r = *this;
 365         r.Inflate(dx, dy);
 366         return r;
 367     }
 368
 369     wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
 370     wxRect& Deflate(wxCoord d) { return Inflate(-d); }
 371     wxRect Deflate(wxCoord dx, wxCoord dy) const
 372     {
 373         wxRect r = *this;
 374         r.Deflate(dx, dy);
 375         return r;
 376     }
 377
 378     void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
 379     void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
 380
 381     wxRect& Intersect(const wxRect& rect);
 382     wxRect Intersect(const wxRect& rect) const
 383     {
 384         wxRect r = *this;
 385         r.Intersect(rect);
 386         return r;
 387     }
 388
 389     wxRect operator+(const wxRect& rect) const;
 390     wxRect& operator+=(const wxRect& rect);
 391
 392     // compare rectangles
 393     bool operator==(const wxRect& rect) const;
 394     bool operator!=(const wxRect& rect) const { return !(*this == rect); }
 395
 396     // return true if the point is (not strcitly) inside the rect
 397     bool Inside(int x, int y) const;
 398     bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
 399
 400     // return true if the rectangles have a non empty intersection
 401     bool Intersects(const wxRect& rect) const;
 402
 403 public:
 404     int x, y, width, height;
 405 };
 406
 407 // ---------------------------------------------------------------------------
 408 // Management of pens, brushes and fonts
 409 // ---------------------------------------------------------------------------
 410
 411 typedef wxInt8 wxDash;
 412
 413 class WXDLLEXPORT wxPenList : public wxList
 414 {
 415 public:
 416     wxPenList() { }
 417     ~wxPenList();
 418
 419     void AddPen(wxPen *pen);
 420     void RemovePen(wxPen *pen);
 421     wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
 422 };
 423
 424 class WXDLLEXPORT wxBrushList : public wxList
 425 {
 426 public:
 427     wxBrushList() { }
 428     ~wxBrushList();
 429
 430     void AddBrush(wxBrush *brush);
 431     void RemoveBrush(wxBrush *brush);
 432     wxBrush *FindOrCreateBrush(const wxColour& colour, int style);
 433 };
 434
 435 class WXDLLEXPORT wxFontList : public wxList
 436 {
 437 public:
 438     wxFontList() { }
 439     ~wxFontList();
 440
 441     void AddFont(wxFont *font);
 442     void RemoveFont(wxFont *font);
 443     wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
 444                              bool underline = false,
 445                              const wxString& face = wxEmptyString,
 446                              wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 447 };
 448
 449 WX_DECLARE_STRING_HASH_MAP( wxColour *, wxStringToColourHashMap );
 450
 451 class WXDLLEXPORT wxColourDatabase
 452 {
 453 public:
 454     wxColourDatabase();
 455     ~wxColourDatabase();
 456
 457     // find colour by name or name for the given colour
 458     wxColour Find(const wxString& name) const;
 459     wxString FindName(const wxColour& colour) const;
 460
 461     // add a new colour to the database
 462     void AddColour(const wxString& name, const wxColour& colour);
 463
 464     // deprecated, use Find() instead
 465     wxDEPRECATED( wxColour *FindColour(const wxString& name) );
 466
 467
 468 #ifdef __WXPM__
 469     // PM keeps its own type of colour table
 470     long*                           m_palTable;
 471     size_t                          m_nSize;
 472 #endif
 473
 474 private:
 475     // load the database with the built in colour values when called for the
 476     // first time, do nothing after this
 477     void Initialize();
 478
 479     wxStringToColourHashMap *m_map;
 480 };
 481
 482 class WXDLLEXPORT wxBitmapList : public wxList
 483 {
 484 public:
 485     wxBitmapList(){}
 486     ~wxBitmapList();
 487
 488     void AddBitmap(wxBitmap *bitmap);
 489     void RemoveBitmap(wxBitmap *bitmap);
 490 };
 491
 492 class WXDLLEXPORT wxResourceCache: public wxList
 493 {
 494 public:
 495     wxResourceCache() { }
 496 #if !wxUSE_STL
 497     wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
 498 #endif
 499     ~wxResourceCache();
 500 };
 501
 502 // ---------------------------------------------------------------------------
 503 // global variables
 504 // ---------------------------------------------------------------------------
 505
 506 // Lists of GDI objects
 507 WXDLLEXPORT_DATA(extern wxPenList*)   wxThePenList;
 508 WXDLLEXPORT_DATA(extern wxBrushList*)   wxTheBrushList;
 509 WXDLLEXPORT_DATA(extern wxFontList*)    wxTheFontList;
 510 WXDLLEXPORT_DATA(extern wxBitmapList*)  wxTheBitmapList;
 511
 512 // Stock objects
 513 WXDLLEXPORT_DATA(extern wxFont*)      wxNORMAL_FONT;
 514 WXDLLEXPORT_DATA(extern wxFont*)      wxSMALL_FONT;
 515 WXDLLEXPORT_DATA(extern wxFont*)      wxITALIC_FONT;
 516 WXDLLEXPORT_DATA(extern wxFont*)      wxSWISS_FONT;
 517
 518 WXDLLEXPORT_DATA(extern wxPen*)      wxRED_PEN;
 519 WXDLLEXPORT_DATA(extern wxPen*)      wxCYAN_PEN;
 520 WXDLLEXPORT_DATA(extern wxPen*)      wxGREEN_PEN;
 521 WXDLLEXPORT_DATA(extern wxPen*)      wxBLACK_PEN;
 522 WXDLLEXPORT_DATA(extern wxPen*)      wxWHITE_PEN;
 523 WXDLLEXPORT_DATA(extern wxPen*)      wxTRANSPARENT_PEN;
 524 WXDLLEXPORT_DATA(extern wxPen*)      wxBLACK_DASHED_PEN;
 525 WXDLLEXPORT_DATA(extern wxPen*)      wxGREY_PEN;
 526 WXDLLEXPORT_DATA(extern wxPen*)      wxMEDIUM_GREY_PEN;
 527 WXDLLEXPORT_DATA(extern wxPen*)      wxLIGHT_GREY_PEN;
 528
 529 WXDLLEXPORT_DATA(extern wxBrush*)    wxBLUE_BRUSH;
 530 WXDLLEXPORT_DATA(extern wxBrush*)    wxGREEN_BRUSH;
 531 WXDLLEXPORT_DATA(extern wxBrush*)    wxWHITE_BRUSH;
 532 WXDLLEXPORT_DATA(extern wxBrush*)    wxBLACK_BRUSH;
 533 WXDLLEXPORT_DATA(extern wxBrush*)    wxGREY_BRUSH;
 534 WXDLLEXPORT_DATA(extern wxBrush*)    wxMEDIUM_GREY_BRUSH;
 535 WXDLLEXPORT_DATA(extern wxBrush*)    wxLIGHT_GREY_BRUSH;
 536 WXDLLEXPORT_DATA(extern wxBrush*)    wxTRANSPARENT_BRUSH;
 537 WXDLLEXPORT_DATA(extern wxBrush*)    wxCYAN_BRUSH;
 538 WXDLLEXPORT_DATA(extern wxBrush*)    wxRED_BRUSH;
 539
 540 WXDLLEXPORT_DATA(extern wxColour*)    wxBLACK;
 541 WXDLLEXPORT_DATA(extern wxColour*)    wxWHITE;
 542 WXDLLEXPORT_DATA(extern wxColour*)    wxRED;
 543 WXDLLEXPORT_DATA(extern wxColour*)    wxBLUE;
 544 WXDLLEXPORT_DATA(extern wxColour*)    wxGREEN;
 545 WXDLLEXPORT_DATA(extern wxColour*)    wxCYAN;
 546 WXDLLEXPORT_DATA(extern wxColour*)    wxLIGHT_GREY;
 547
 548 // 'Null' objects
 549 WXDLLEXPORT_DATA(extern wxBitmap)     wxNullBitmap;
 550 WXDLLEXPORT_DATA(extern wxIcon)       wxNullIcon;
 551 WXDLLEXPORT_DATA(extern wxCursor)     wxNullCursor;
 552 WXDLLEXPORT_DATA(extern wxPen)        wxNullPen;
 553 WXDLLEXPORT_DATA(extern wxBrush)      wxNullBrush;
 554 WXDLLEXPORT_DATA(extern wxPalette)     wxNullPalette;
 555 WXDLLEXPORT_DATA(extern wxFont)       wxNullFont;
 556 WXDLLEXPORT_DATA(extern wxColour)     wxNullColour;
 557
 558 // Stock cursors types
 559 WXDLLEXPORT_DATA(extern wxCursor*)    wxSTANDARD_CURSOR;
 560 WXDLLEXPORT_DATA(extern wxCursor*)    wxHOURGLASS_CURSOR;
 561 WXDLLEXPORT_DATA(extern wxCursor*)    wxCROSS_CURSOR;
 562
 563 WXDLLEXPORT_DATA(extern wxColourDatabase*)  wxTheColourDatabase;
 564
 565 WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
 566
 567 WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
 568 WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
 569
 570 // The list of objects which should be deleted
 571 WXDLLEXPORT_DATA(extern wxList) wxPendingDelete;
 572
 573 // ---------------------------------------------------------------------------
 574 // global functions
 575 // ---------------------------------------------------------------------------
 576
 577 // resource management
 578 extern void WXDLLEXPORT wxInitializeStockObjects();
 579 extern void WXDLLEXPORT wxInitializeStockLists();
 580 extern void WXDLLEXPORT wxDeleteStockObjects();
 581 extern void WXDLLEXPORT wxDeleteStockLists();
 582
 583 // is the display colour (or monochrome)?
 584 extern bool WXDLLEXPORT wxColourDisplay();
 585
 586 // Returns depth of screen
 587 extern int WXDLLEXPORT wxDisplayDepth();
 588 #define wxGetDisplayDepth wxDisplayDepth
 589
 590 // get the display size
 591 extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
 592 extern wxSize WXDLLEXPORT wxGetDisplaySize();
 593 extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
 594 extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
 595
 596 // Get position and size of the display workarea
 597 extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
 598 extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
 599
 600 // set global cursor
 601 extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
 602
 603 #endif
 604     // _WX_GDICMNH__