src/richtext/richtextsymboldlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/richtext/richtextsymboldlg.cpp
   3 // Purpose:
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     10/5/2006 3:11:58 PM
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_RICHTEXT
  20
  21 #include "wx/richtext/richtextsymboldlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/sizer.h"
  25     #include "wx/stattext.h"
  26     #include "wx/combobox.h"
  27     #include "wx/button.h"
  28     #include "wx/settings.h"
  29     #include "wx/icon.h"
  30     #include "wx/listbox.h"
  31 #endif
  32
  33 #include "wx/dcbuffer.h"
  34
  35 // Only for cached font name
  36 #include "wx/richtext/richtextctrl.h"
  37
  38 /* Microsoft Unicode subset numbering
  39  */
  40
  41 typedef enum
  42 {
  43   U_BASIC_LATIN = 0,
  44   U_LATIN_1_SUPPLEMENT = 1,
  45   U_LATIN_EXTENDED_A = 2,
  46   U_LATIN_EXTENDED_B = 3,
  47   U_IPA_EXTENSIONS = 4,
  48   U_SPACING_MODIFIER_LETTERS = 5,
  49   U_COMBINING_DIACRITICAL_MARKS = 6,
  50   U_BASIC_GREEK = 7,
  51   U_GREEK_SYMBOLS_AND_COPTIC = 8,
  52   U_CYRILLIC = 9,
  53   U_ARMENIAN = 10,
  54   U_HEBREW_EXTENDED = 12,
  55   U_BASIC_HEBREW = 11,
  56   U_BASIC_ARABIC = 13,
  57   U_ARABIC_EXTENDED = 14,
  58   U_DEVANAGARI = 15,
  59   U_BENGALI = 16,
  60   U_GURMUKHI = 17,
  61   U_GUJARATI = 18,
  62   U_ORIYA = 19,
  63   U_TAMIL = 20,
  64   U_TELUGU = 21,
  65   U_KANNADA = 22,
  66   U_MALAYALAM = 23,
  67   U_THAI = 24,
  68   U_LAO = 25,
  69   U_GEORGIAN_EXTENDED = 27,
  70   U_BASIC_GEORGIAN = 26,
  71   U_HANGUL_JAMO = 28,
  72   U_LATIN_EXTENDED_ADDITIONAL = 29,
  73   U_GREEK_EXTENDED = 30,
  74   U_GENERAL_PUNCTUATION = 31,
  75   U_SUPERSCRIPTS_AND_SUBSCRIPTS = 32,
  76   U_CURRENCY_SYMBOLS = 33,
  77   U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS = 34,
  78   U_LETTERLIKE_SYMBOLS = 35,
  79   U_NUMBER_FORMS = 36,
  80   U_ARROWS = 37,
  81   U_MATHEMATICAL_OPERATORS = 38,
  82   U_MISCELLANEOUS_TECHNICAL = 39,
  83   U_CONTROL_PICTURES = 40,
  84   U_OPTICAL_CHARACTER_RECOGNITION = 41,
  85   U_ENCLOSED_ALPHANUMERICS = 42,
  86   U_BOX_DRAWING = 43,
  87   U_BLOCK_ELEMENTS = 44,
  88   U_GEOMETRIC_SHAPES = 45,
  89   U_MISCELLANEOUS_SYMBOLS = 46,
  90   U_DINGBATS = 47,
  91   U_CJK_SYMBOLS_AND_PUNCTUATION = 48,
  92   U_HIRAGANA = 49,
  93   U_KATAKANA = 50,
  94   U_BOPOMOFO = 51,
  95   U_HANGUL_COMPATIBILITY_JAMO = 52,
  96   U_CJK_MISCELLANEOUS = 53,
  97   U_ENCLOSED_CJK = 54,
  98   U_CJK_COMPATIBILITY = 55,
  99   U_HANGUL = 56,
 100   U_HANGUL_SUPPLEMENTARY_A = 57,
 101   U_HANGUL_SUPPLEMENTARY_B = 58,
 102   U_CJK_UNIFIED_IDEOGRAPHS = 59,
 103   U_PRIVATE_USE_AREA = 60,
 104   U_CJK_COMPATIBILITY_IDEOGRAPHS = 61,
 105   U_ALPHABETIC_PRESENTATION_FORMS = 62,
 106   U_ARABIC_PRESENTATION_FORMS_A = 63,
 107   U_COMBINING_HALF_MARKS = 64,
 108   U_CJK_COMPATIBILITY_FORMS = 65,
 109   U_SMALL_FORM_VARIANTS = 66,
 110   U_ARABIC_PRESENTATION_FORMS_B = 67,
 111   U_SPECIALS = 69,
 112   U_HALFWIDTH_AND_FULLWIDTH_FORMS = 68,
 113   U_LAST_PLUS_ONE
 114 } wxUnicodeSubsetCodes;
 115
 116 /* Unicode subsets */
 117 #ifdef __UNICODE__
 118
 119 static struct
 120 {
 121     int m_low, m_high;
 122     wxUnicodeSubsetCodes m_subset;
 123     wxChar* m_name;
 124 } g_UnicodeSubsetTable[] =
 125 {
 126   { 0x0000, 0x007E,
 127     U_BASIC_LATIN, wxT("Basic Latin") },
 128   { 0x00A0, 0x00FF,
 129     U_LATIN_1_SUPPLEMENT, wxT("Latin-1 Supplement") },
 130   { 0x0100, 0x017F,
 131     U_LATIN_EXTENDED_A, wxT("Latin Extended-A") },
 132   { 0x0180, 0x024F,
 133     U_LATIN_EXTENDED_B, wxT("Latin Extended-B") },
 134   { 0x0250, 0x02AF,
 135     U_IPA_EXTENSIONS, wxT("IPA Extensions") },
 136   { 0x02B0, 0x02FF,
 137     U_SPACING_MODIFIER_LETTERS, wxT("Spacing Modifier Letters") },
 138   { 0x0300, 0x036F,
 139     U_COMBINING_DIACRITICAL_MARKS, wxT("Combining Diacritical Marks") },
 140   { 0x0370, 0x03CF,
 141     U_BASIC_GREEK, wxT("Basic Greek") },
 142   { 0x03D0, 0x03FF,
 143     U_GREEK_SYMBOLS_AND_COPTIC, wxT("Greek Symbols and Coptic") },
 144   { 0x0400, 0x04FF,
 145     U_CYRILLIC, wxT("Cyrillic") },
 146   { 0x0530, 0x058F,
 147     U_ARMENIAN, wxT("Armenian") },
 148   { 0x0590, 0x05CF,
 149     U_HEBREW_EXTENDED, wxT("Hebrew Extended") },
 150   { 0x05D0, 0x05FF,
 151     U_BASIC_HEBREW, wxT("Basic Hebrew") },
 152   { 0x0600, 0x0652,
 153     U_BASIC_ARABIC, wxT("Basic Arabic") },
 154   { 0x0653, 0x06FF,
 155     U_ARABIC_EXTENDED, wxT("Arabic Extended") },
 156   { 0x0900, 0x097F,
 157     U_DEVANAGARI, wxT("Devanagari") },
 158   { 0x0980, 0x09FF,
 159     U_BENGALI, wxT("Bengali") },
 160   { 0x0A00, 0x0A7F,
 161     U_GURMUKHI, wxT("Gurmukhi") },
 162   { 0x0A80, 0x0AFF,
 163     U_GUJARATI, wxT("Gujarati") },
 164   { 0x0B00, 0x0B7F,
 165     U_ORIYA, wxT("Oriya") },
 166   { 0x0B80, 0x0BFF,
 167     U_TAMIL, wxT("Tamil") },
 168   { 0x0C00, 0x0C7F,
 169     U_TELUGU, wxT("Telugu") },
 170   { 0x0C80, 0x0CFF,
 171     U_KANNADA, wxT("Kannada") },
 172   { 0x0D00, 0x0D7F,
 173     U_MALAYALAM, wxT("Malayalam") },
 174   { 0x0E00, 0x0E7F,
 175     U_THAI, wxT("Thai") },
 176   { 0x0E80, 0x0EFF,
 177     U_LAO, wxT("Lao") },
 178   { 0x10A0, 0x10CF,
 179     U_GEORGIAN_EXTENDED, wxT("Georgian Extended") },
 180   { 0x10D0, 0x10FF,
 181     U_BASIC_GEORGIAN, wxT("Basic Georgian") },
 182   { 0x1100, 0x11FF,
 183     U_HANGUL_JAMO, wxT("Hangul Jamo") },
 184   { 0x1E00, 0x1EFF,
 185     U_LATIN_EXTENDED_ADDITIONAL, wxT("Latin Extended Additional") },
 186   { 0x1F00, 0x1FFF,
 187     U_GREEK_EXTENDED, wxT("Greek Extended") },
 188   { 0x2000, 0x206F,
 189     U_GENERAL_PUNCTUATION, wxT("General Punctuation") },
 190   { 0x2070, 0x209F,
 191     U_SUPERSCRIPTS_AND_SUBSCRIPTS, wxT("Superscripts and Subscripts") },
 192   { 0x20A0, 0x20CF,
 193     U_CURRENCY_SYMBOLS, wxT("Currency Symbols") },
 194   { 0x20D0, 0x20FF,
 195     U_COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS, wxT("Combining Diacritical Marks for Symbols") },
 196   { 0x2100, 0x214F,
 197     U_LETTERLIKE_SYMBOLS, wxT("Letterlike Symbols") },
 198   { 0x2150, 0x218F,
 199     U_NUMBER_FORMS, wxT("Number Forms") },
 200   { 0x2190, 0x21FF,
 201     U_ARROWS, wxT("Arrows") },
 202   { 0x2200, 0x22FF,
 203     U_MATHEMATICAL_OPERATORS, wxT("Mathematical Operators") },
 204   { 0x2300, 0x23FF,
 205     U_MISCELLANEOUS_TECHNICAL, wxT("Miscellaneous Technical") },
 206   { 0x2400, 0x243F,
 207     U_CONTROL_PICTURES, wxT("Control Pictures") },
 208   { 0x2440, 0x245F,
 209     U_OPTICAL_CHARACTER_RECOGNITION, wxT("Optical Character Recognition") },
 210   { 0x2460, 0x24FF,
 211     U_ENCLOSED_ALPHANUMERICS, wxT("Enclosed Alphanumerics") },
 212   { 0x2500, 0x257F,
 213     U_BOX_DRAWING, wxT("Box Drawing") },
 214   { 0x2580, 0x259F,
 215     U_BLOCK_ELEMENTS, wxT("Block Elements") },
 216   { 0x25A0, 0x25FF,
 217     U_GEOMETRIC_SHAPES, wxT("Geometric Shapes") },
 218   { 0x2600, 0x26FF,
 219     U_MISCELLANEOUS_SYMBOLS, wxT("Miscellaneous Symbols") },
 220   { 0x2700, 0x27BF,
 221     U_DINGBATS, wxT("Dingbats") },
 222   { 0x3000, 0x303F,
 223     U_CJK_SYMBOLS_AND_PUNCTUATION, wxT("CJK Symbols and Punctuation") },
 224   { 0x3040, 0x309F,
 225     U_HIRAGANA, wxT("Hiragana") },
 226   { 0x30A0, 0x30FF,
 227     U_KATAKANA, wxT("Katakana") },
 228   { 0x3100, 0x312F,
 229     U_BOPOMOFO, wxT("Bopomofo") },
 230   { 0x3130, 0x318F,
 231     U_HANGUL_COMPATIBILITY_JAMO, wxT("Hangul Compatibility Jamo") },
 232   { 0x3190, 0x319F,
 233     U_CJK_MISCELLANEOUS, wxT("CJK Miscellaneous") },
 234   { 0x3200, 0x32FF,
 235     U_ENCLOSED_CJK, wxT("Enclosed CJK") },
 236   { 0x3300, 0x33FF,
 237     U_CJK_COMPATIBILITY, wxT("CJK Compatibility") },
 238   { 0x3400, 0x4DB5,
 239     U_CJK_UNIFIED_IDEOGRAPHS, wxT("CJK Unified Ideographs Extension A") },
 240   { 0x4E00, 0x9FFF,
 241     U_CJK_UNIFIED_IDEOGRAPHS, wxT("CJK Unified Ideographs") },
 242   { 0xAC00, 0xD7A3,
 243     U_HANGUL, wxT("Hangul Syllables") },
 244   { 0xE000, 0xF8FF,
 245     U_PRIVATE_USE_AREA, wxT("Private Use Area") },
 246   { 0xF900, 0xFAFF,
 247     U_CJK_COMPATIBILITY_IDEOGRAPHS, wxT("CJK Compatibility Ideographs") },
 248   { 0xFB00, 0xFB4F,
 249     U_ALPHABETIC_PRESENTATION_FORMS, wxT("Alphabetic Presentation Forms") },
 250   { 0xFB50, 0xFDFF,
 251     U_ARABIC_PRESENTATION_FORMS_A, wxT("Arabic Presentation Forms-A") },
 252   { 0xFE20, 0xFE2F,
 253     U_COMBINING_HALF_MARKS, wxT("Combining Half Marks") },
 254   { 0xFE30, 0xFE4F,
 255     U_CJK_COMPATIBILITY_FORMS, wxT("CJK Compatibility Forms") },
 256   { 0xFE50, 0xFE6F,
 257     U_SMALL_FORM_VARIANTS, wxT("Small Form Variants") },
 258   { 0xFE70, 0xFEFE,
 259     U_ARABIC_PRESENTATION_FORMS_B, wxT("Arabic Presentation Forms-B") },
 260   { 0xFEFF, 0xFEFF,
 261     U_SPECIALS, wxT("Specials") },
 262   { 0xFF00, 0xFFEF,
 263     U_HALFWIDTH_AND_FULLWIDTH_FORMS, wxT("Halfwidth and Fullwidth Forms") },
 264   { 0xFFF0, 0xFFFD,
 265     U_SPECIALS, wxT("Specials") }
 266 };
 267
 268 #endif // __UNICODE__
 269
 270 #if 0
 271 // Not yet used, but could be used to test under Win32 whether this subset is available
 272 // for the given font. The Win32 function is allegedly not accurate, however.
 273 bool wxSubsetValidForFont(int subsetIndex, FONTSIGNATURE *fontSig)
 274 {
 275     return (fontSig->fsUsb[g_UnicodeSubsetTable[subsetIndex].m_subset/32] & (1 << (g_UnicodeSubsetTable[subsetIndex].m_subset % 32)));
 276 }
 277 #endif
 278
 279 bool wxSymbolPickerDialog::sm_showToolTips = false;
 280
 281 /*!
 282  * wxSymbolPickerDialog type definition
 283  */
 284
 285 IMPLEMENT_DYNAMIC_CLASS( wxSymbolPickerDialog, wxDialog )
 286
 287 /*!
 288  * wxSymbolPickerDialog event table definition
 289  */
 290
 291 BEGIN_EVENT_TABLE( wxSymbolPickerDialog, wxDialog )
 292     EVT_LISTBOX(ID_SYMBOLPICKERDIALOG_LISTCTRL, wxSymbolPickerDialog::OnSymbolSelected)
 293
 294 ////@begin wxSymbolPickerDialog event table entries
 295     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_FONT, wxSymbolPickerDialog::OnFontCtrlSelected )
 296
 297 #if defined(__UNICODE__)
 298     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_SUBSET, wxSymbolPickerDialog::OnSubsetSelected )
 299 #endif
 300
 301 #if defined(__UNICODE__)
 302     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_FROM, wxSymbolPickerDialog::OnFromUnicodeSelected )
 303 #endif
 304
 305 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXOS2__) || defined(__WXMGL__) || defined(__WXMOTIF__) || defined(__WXCOCOA__) || defined(__WXX11__) || defined(__WXPALMOS__)
 306     EVT_UPDATE_UI( wxID_OK, wxSymbolPickerDialog::OnOkUpdate )
 307 #endif
 308
 309 #if defined(__WXMAC__)
 310     EVT_UPDATE_UI( wxID_OK, wxSymbolPickerDialog::OnOkUpdate )
 311 #endif
 312
 313 ////@end wxSymbolPickerDialog event table entries
 314
 315 END_EVENT_TABLE()
 316
 317 /*!
 318  * wxSymbolPickerDialog constructors
 319  */
 320
 321 wxSymbolPickerDialog::wxSymbolPickerDialog( )
 322 {
 323     Init();
 324 }
 325
 326 wxSymbolPickerDialog::wxSymbolPickerDialog( const wxString& symbol, const wxString& fontName, const wxString& normalTextFont, wxWindow* parent, wxWindowID id, const wxString& caption, const wxPoint& pos, const wxSize& size, long style )
 327 {
 328     Init();
 329     Create(symbol, fontName, normalTextFont, parent, id, caption, pos, size, style);
 330 }
 331
 332 /*!
 333  * wxSymbolPickerDialog creator
 334  */
 335
 336 bool wxSymbolPickerDialog::Create( const wxString& symbol, const wxString& fontName, const wxString& normalTextFont, wxWindow* parent, wxWindowID id, const wxString& caption, const wxPoint& pos, const wxSize& size, long style )
 337 {
 338     m_fontName = fontName;
 339     m_normalTextFontName = normalTextFont;
 340     m_symbol = symbol;
 341
 342 ////@begin wxSymbolPickerDialog creation
 343     SetExtraStyle(GetExtraStyle()|wxWS_EX_BLOCK_EVENTS|wxDIALOG_EX_CONTEXTHELP);
 344     wxDialog::Create( parent, id, caption, pos, size, style );
 345
 346     CreateControls();
 347     if (GetSizer())
 348     {
 349         GetSizer()->SetSizeHints(this);
 350     }
 351     Centre();
 352 ////@end wxSymbolPickerDialog creation
 353     return true;
 354 }
 355
 356 /*!
 357  * Member initialisation for wxSymbolPickerDialog
 358  */
 359
 360 void wxSymbolPickerDialog::Init()
 361 {
 362 ////@begin wxSymbolPickerDialog member initialisation
 363     m_fromUnicode = true;
 364     m_fontCtrl = NULL;
 365 #if defined(__UNICODE__)
 366     m_subsetCtrl = NULL;
 367 #endif
 368     m_symbolsCtrl = NULL;
 369     m_symbolStaticCtrl = NULL;
 370     m_characterCodeCtrl = NULL;
 371 #if defined(__UNICODE__)
 372     m_fromUnicodeCtrl = NULL;
 373 #endif
 374 ////@end wxSymbolPickerDialog member initialisation
 375     m_dontUpdate = false;
 376 }
 377
 378 /*!
 379  * Control creation for wxSymbolPickerDialog
 380  */
 381
 382 void wxSymbolPickerDialog::CreateControls()
 383 {
 384 ////@begin wxSymbolPickerDialog content construction
 385     wxSymbolPickerDialog* itemDialog1 = this;
 386
 387     wxBoxSizer* itemBoxSizer2 = new wxBoxSizer(wxVERTICAL);
 388     itemDialog1->SetSizer(itemBoxSizer2);
 389
 390     wxBoxSizer* itemBoxSizer3 = new wxBoxSizer(wxVERTICAL);
 391     itemBoxSizer2->Add(itemBoxSizer3, 1, wxGROW|wxALL, 5);
 392
 393     wxBoxSizer* itemBoxSizer4 = new wxBoxSizer(wxHORIZONTAL);
 394     itemBoxSizer3->Add(itemBoxSizer4, 0, wxGROW, 5);
 395
 396     wxBoxSizer* itemBoxSizer5 = new wxBoxSizer(wxHORIZONTAL);
 397     itemBoxSizer4->Add(itemBoxSizer5, 1, wxGROW, 5);
 398
 399     wxStaticText* itemStaticText6 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Font:"), wxDefaultPosition, wxDefaultSize, 0 );
 400     itemBoxSizer5->Add(itemStaticText6, 0, wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
 401
 402     wxString* m_fontCtrlStrings = NULL;
 403     m_fontCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FONT, _T(""), wxDefaultPosition, wxSize(240, -1), 0, m_fontCtrlStrings, wxCB_READONLY );
 404     m_fontCtrl->SetHelpText(_("The font from which to take the symbol."));
 405     if (ShowToolTips())
 406         m_fontCtrl->SetToolTip(_("The font from which to take the symbol."));
 407     itemBoxSizer5->Add(m_fontCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 408
 409     itemBoxSizer5->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 410
 411 #if defined(__UNICODE__)
 412     wxStaticText* itemStaticText9 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Subset:"), wxDefaultPosition, wxDefaultSize, 0 );
 413     itemBoxSizer5->Add(itemStaticText9, 0, wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
 414
 415 #endif
 416
 417 #if defined(__UNICODE__)
 418     wxString* m_subsetCtrlStrings = NULL;
 419     m_subsetCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_SUBSET, _T(""), wxDefaultPosition, wxDefaultSize, 0, m_subsetCtrlStrings, wxCB_READONLY );
 420     m_subsetCtrl->SetHelpText(_("Shows a Unicode subset."));
 421     if (ShowToolTips())
 422         m_subsetCtrl->SetToolTip(_("Shows a Unicode subset."));
 423     itemBoxSizer5->Add(m_subsetCtrl, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 424
 425 #endif
 426
 427     m_symbolsCtrl = new wxSymbolListCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_LISTCTRL, wxDefaultPosition, wxSize(500, 240), wxSIMPLE_BORDER );
 428     itemBoxSizer3->Add(m_symbolsCtrl, 1, wxGROW|wxALL, 5);
 429
 430     wxBoxSizer* itemBoxSizer12 = new wxBoxSizer(wxHORIZONTAL);
 431     itemBoxSizer3->Add(itemBoxSizer12, 0, wxGROW, 5);
 432
 433     m_symbolStaticCtrl = new wxStaticText( itemDialog1, wxID_STATIC, _("xxxx"), wxDefaultPosition, wxSize(40, -1), wxALIGN_CENTRE );
 434     itemBoxSizer12->Add(m_symbolStaticCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
 435
 436     itemBoxSizer12->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 437
 438     wxStaticText* itemStaticText15 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Character code:"), wxDefaultPosition, wxDefaultSize, 0 );
 439     itemBoxSizer12->Add(itemStaticText15, 0, wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
 440
 441     m_characterCodeCtrl = new wxTextCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_CHARACTERCODE, _T(""), wxDefaultPosition, wxSize(140, -1), wxTE_READONLY|wxTE_CENTRE );
 442     m_characterCodeCtrl->SetHelpText(_("The character code."));
 443     if (ShowToolTips())
 444         m_characterCodeCtrl->SetToolTip(_("The character code."));
 445     itemBoxSizer12->Add(m_characterCodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 446
 447     itemBoxSizer12->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 448
 449 #if defined(__UNICODE__)
 450     wxStaticText* itemStaticText18 = new wxStaticText( itemDialog1, wxID_STATIC, _("&From:"), wxDefaultPosition, wxDefaultSize, 0 );
 451     itemBoxSizer12->Add(itemStaticText18, 0, wxALIGN_CENTER_VERTICAL|wxALL|wxADJUST_MINSIZE, 5);
 452
 453 #endif
 454
 455 #if defined(__UNICODE__)
 456     wxString m_fromUnicodeCtrlStrings[] = {
 457         _("ASCII"),
 458         _("Unicode")
 459     };
 460     m_fromUnicodeCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FROM, _("ASCII"), wxDefaultPosition, wxDefaultSize, 2, m_fromUnicodeCtrlStrings, wxCB_READONLY );
 461     m_fromUnicodeCtrl->SetStringSelection(_("ASCII"));
 462     m_fromUnicodeCtrl->SetHelpText(_("The range to show."));
 463     if (ShowToolTips())
 464         m_fromUnicodeCtrl->SetToolTip(_("The range to show."));
 465     itemBoxSizer12->Add(m_fromUnicodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 466
 467 #endif
 468
 469 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXOS2__) || defined(__WXMGL__) || defined(__WXMOTIF__) || defined(__WXCOCOA__) || defined(__WXX11__) || defined(__WXPALMOS__)
 470     wxBoxSizer* itemBoxSizer20 = new wxBoxSizer(wxHORIZONTAL);
 471     itemBoxSizer3->Add(itemBoxSizer20, 0, wxGROW, 5);
 472
 473     itemBoxSizer20->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 474
 475     wxButton* itemButton22 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 476     itemButton22->SetDefault();
 477     itemButton22->SetHelpText(_("Inserts the chosen symbol."));
 478     if (ShowToolTips())
 479         itemButton22->SetToolTip(_("Inserts the chosen symbol."));
 480     itemBoxSizer20->Add(itemButton22, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 481
 482     wxButton* itemButton23 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 483     itemButton23->SetHelpText(_("Closes the dialog without inserting a symbol."));
 484     if (ShowToolTips())
 485         itemButton23->SetToolTip(_("Closes the dialog without inserting a symbol."));
 486     itemBoxSizer20->Add(itemButton23, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 487
 488 #endif
 489
 490 #if defined(__WXMAC__)
 491     wxBoxSizer* itemBoxSizer24 = new wxBoxSizer(wxHORIZONTAL);
 492     itemBoxSizer3->Add(itemBoxSizer24, 0, wxGROW, 5);
 493
 494     itemBoxSizer24->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 495
 496     wxButton* itemButton26 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 497     itemButton26->SetHelpText(_("Closes the dialog without inserting a symbol."));
 498     if (ShowToolTips())
 499         itemButton26->SetToolTip(_("Closes the dialog without inserting a symbol."));
 500     itemBoxSizer24->Add(itemButton26, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 501
 502     wxButton* itemButton27 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 503     itemButton27->SetDefault();
 504     itemButton27->SetHelpText(_("Inserts the chosen symbol."));
 505     if (ShowToolTips())
 506         itemButton27->SetToolTip(_("Inserts the chosen symbol."));
 507     itemBoxSizer24->Add(itemButton27, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 508
 509 #endif
 510
 511 ////@end wxSymbolPickerDialog content construction
 512
 513 }
 514
 515 /// Data transfer
 516 bool wxSymbolPickerDialog::TransferDataToWindow()
 517 {
 518     m_dontUpdate = true;
 519
 520     if (m_fontCtrl->GetCount() == 0)
 521     {
 522         wxArrayString faceNames = wxRichTextCtrl::GetAvailableFontNames();
 523         faceNames.Sort();
 524
 525         faceNames.Insert(_("(Normal text)"), 0);
 526         m_fontCtrl->Append(faceNames);
 527     }
 528
 529     if (m_fontName.empty())
 530         m_fontCtrl->SetSelection(0);
 531     else
 532     {
 533         if (m_fontCtrl->FindString(m_fontName) != wxNOT_FOUND)
 534             m_fontCtrl->SetStringSelection(m_fontName);
 535         else
 536             m_fontCtrl->SetSelection(0);
 537     }
 538
 539     if (!m_symbol.empty())
 540     {
 541         int sel = (int) m_symbol[0];
 542         m_symbolsCtrl->SetSelection(sel);
 543     }
 544
 545 #if defined(__UNICODE__)
 546     if (m_subsetCtrl->GetCount() == 0)
 547     {
 548         // Insert items into subset combo
 549         int i;
 550         for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
 551         {
 552             m_subsetCtrl->Append(g_UnicodeSubsetTable[i].m_name);
 553         }
 554         m_subsetCtrl->SetSelection(0);
 555     }
 556 #endif
 557
 558     UpdateSymbolDisplay();
 559
 560     m_dontUpdate = false;
 561
 562     return true;
 563 }
 564
 565 void wxSymbolPickerDialog::UpdateSymbolDisplay(bool updateSymbolList, bool showAtSubset)
 566 {
 567     wxFont font;
 568     wxString fontNameToUse;
 569     if (m_fontName.empty())
 570         fontNameToUse = m_normalTextFontName;
 571     else
 572         fontNameToUse = m_fontName;
 573
 574     if (!fontNameToUse.empty())
 575     {
 576         font = wxFont(14, wxDEFAULT, wxNORMAL, wxNORMAL, false, fontNameToUse);
 577     }
 578     else
 579         font = *wxNORMAL_FONT;
 580
 581     if (updateSymbolList)
 582     {
 583         m_symbolsCtrl->SetFont(font);
 584     }
 585
 586     if (!m_symbol.empty())
 587     {
 588         m_symbolStaticCtrl->SetFont(font);
 589         m_symbolStaticCtrl->SetLabel(m_symbol);
 590
 591         int symbol = (int) m_symbol[0];
 592         m_characterCodeCtrl->SetValue(wxString::Format(wxT("%X hex (%d dec)"), symbol, symbol));
 593     }
 594     else
 595     {
 596         m_symbolStaticCtrl->SetLabel(wxEmptyString);
 597         m_characterCodeCtrl->SetValue(wxEmptyString);
 598     }
 599
 600 #if defined(__UNICODE__)
 601     if (showAtSubset)
 602         ShowAtSubset();
 603 #else
 604     wxUnusedVar(showAtSubset);
 605 #endif
 606 }
 607
 608 /// Show at the current subset selection
 609 void wxSymbolPickerDialog::ShowAtSubset()
 610 {
 611 #if defined(__UNICODE__)
 612     if (m_fromUnicode)
 613     {
 614         int sel = m_subsetCtrl->GetSelection();
 615         int low = g_UnicodeSubsetTable[sel].m_low;
 616         m_symbolsCtrl->EnsureVisible(low);
 617     }
 618 #endif
 619 }
 620
 621 // Handle font selection
 622 void wxSymbolPickerDialog::OnFontCtrlSelected( wxCommandEvent& WXUNUSED(event) )
 623 {
 624     if (m_fontCtrl->GetSelection() == 0)
 625         m_fontName = wxEmptyString;
 626     else
 627         m_fontName = m_fontCtrl->GetStringSelection();
 628
 629     UpdateSymbolDisplay();
 630 }
 631
 632 /// Respond to symbol selection
 633 void wxSymbolPickerDialog::OnSymbolSelected( wxCommandEvent& event )
 634 {
 635     if (m_dontUpdate)
 636         return;
 637
 638     int sel = event.GetSelection();
 639     if (sel == wxNOT_FOUND)
 640         m_symbol = wxEmptyString;
 641     else
 642     {
 643         m_symbol = wxEmptyString;
 644         m_symbol << (wxChar) sel;
 645     }
 646
 647 #if defined(__UNICODE__)
 648     if (sel != -1 && m_fromUnicode)
 649     {
 650         // Need to make the subset selection reflect the current symbol
 651         int i;
 652         for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
 653         {
 654             if (sel >= g_UnicodeSubsetTable[i].m_low && sel <= g_UnicodeSubsetTable[i].m_high)
 655             {
 656                 m_dontUpdate = true;
 657                 m_subsetCtrl->SetSelection(i);
 658                 m_dontUpdate = false;
 659                 break;
 660             }
 661         }
 662     }
 663 #endif
 664
 665     UpdateSymbolDisplay(false, false);
 666 }
 667
 668 #if defined(__UNICODE__)
 669 // Handle Unicode/ASCII selection
 670 void wxSymbolPickerDialog::OnFromUnicodeSelected( wxCommandEvent& WXUNUSED(event) )
 671 {
 672     if (m_dontUpdate)
 673         return;
 674
 675     m_fromUnicode = (m_fromUnicodeCtrl->GetSelection() == 1);
 676     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 677     UpdateSymbolDisplay(false);
 678 }
 679
 680 // Handle subset selection
 681 void wxSymbolPickerDialog::OnSubsetSelected( wxCommandEvent& WXUNUSED(event) )
 682 {
 683     if (m_dontUpdate)
 684         return;
 685
 686     ShowAtSubset();
 687 }
 688 #endif
 689
 690 /*!
 691  * wxEVT_UPDATE_UI event handler for wxID_OK
 692  */
 693
 694 void wxSymbolPickerDialog::OnOkUpdate( wxUpdateUIEvent& event )
 695 {
 696     event.Enable(HasSelection());
 697 }
 698
 699 /// Set Unicode mode
 700 void wxSymbolPickerDialog::SetUnicodeMode(bool unicodeMode)
 701 {
 702 #if defined(__UNICODE__)
 703     m_dontUpdate = true;
 704     m_fromUnicode = unicodeMode;
 705     if (m_fromUnicodeCtrl)
 706         m_fromUnicodeCtrl->SetSelection(m_fromUnicode ? 1 : 0);
 707     UpdateSymbolDisplay();
 708     m_dontUpdate = false;
 709 #else
 710     wxUnusedVar(unicodeMode);
 711 #endif
 712 }
 713
 714 /// Get the selected symbol character
 715 int wxSymbolPickerDialog::GetSymbolChar() const
 716 {
 717     if (m_symbol.empty())
 718         return -1;
 719     else
 720         return (int) m_symbol[0];
 721 }
 722
 723
 724 /*!
 725  * Get bitmap resources
 726  */
 727
 728 wxBitmap wxSymbolPickerDialog::GetBitmapResource( const wxString& name )
 729 {
 730     // Bitmap retrieval
 731 ////@begin wxSymbolPickerDialog bitmap retrieval
 732     wxUnusedVar(name);
 733     return wxNullBitmap;
 734 ////@end wxSymbolPickerDialog bitmap retrieval
 735 }
 736
 737 /*!
 738  * Get icon resources
 739  */
 740
 741 wxIcon wxSymbolPickerDialog::GetIconResource( const wxString& name )
 742 {
 743     // Icon retrieval
 744 ////@begin wxSymbolPickerDialog icon retrieval
 745     wxUnusedVar(name);
 746     return wxNullIcon;
 747 ////@end wxSymbolPickerDialog icon retrieval
 748 }
 749
 750 /*!
 751  * The scrolling symbol list.
 752  */
 753
 754 // ----------------------------------------------------------------------------
 755 // event tables
 756 // ----------------------------------------------------------------------------
 757
 758 BEGIN_EVENT_TABLE(wxSymbolListCtrl, wxVScrolledWindow)
 759     EVT_PAINT(wxSymbolListCtrl::OnPaint)
 760     EVT_SIZE(wxSymbolListCtrl::OnSize)
 761
 762     EVT_KEY_DOWN(wxSymbolListCtrl::OnKeyDown)
 763     EVT_LEFT_DOWN(wxSymbolListCtrl::OnLeftDown)
 764     EVT_LEFT_DCLICK(wxSymbolListCtrl::OnLeftDClick)
 765 END_EVENT_TABLE()
 766
 767 // ============================================================================
 768 // implementation
 769 // ============================================================================
 770
 771 IMPLEMENT_ABSTRACT_CLASS(wxSymbolListCtrl, wxVScrolledWindow)
 772
 773 // ----------------------------------------------------------------------------
 774 // wxSymbolListCtrl creation
 775 // ----------------------------------------------------------------------------
 776
 777 void wxSymbolListCtrl::Init()
 778 {
 779     m_current = wxNOT_FOUND;
 780     m_doubleBuffer = NULL;
 781     m_cellSize = wxSize(40, 40);
 782     m_minSymbolValue = 0;
 783     m_maxSymbolValue = 255;
 784     m_symbolsPerLine = 0;
 785     m_unicodeMode = false;
 786 }
 787
 788 bool wxSymbolListCtrl::Create(wxWindow *parent,
 789                         wxWindowID id,
 790                         const wxPoint& pos,
 791                         const wxSize& size,
 792                         long style,
 793                         const wxString& name)
 794 {
 795     style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
 796     if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) )
 797         return false;
 798
 799     // make sure the native widget has the right colour since we do
 800     // transparent drawing by default
 801     SetBackgroundColour(GetBackgroundColour());
 802     m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 803
 804     // flicker-free drawing requires this
 805     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 806
 807     SetFont(*wxNORMAL_FONT);
 808
 809     SetupCtrl();
 810
 811     return true;
 812 }
 813
 814 wxSymbolListCtrl::~wxSymbolListCtrl()
 815 {
 816     delete m_doubleBuffer;
 817 }
 818
 819 // ----------------------------------------------------------------------------
 820 // selection handling
 821 // ----------------------------------------------------------------------------
 822
 823 bool wxSymbolListCtrl::IsSelected(int item) const
 824 {
 825     return item == m_current;
 826 }
 827
 828 bool wxSymbolListCtrl::DoSetCurrent(int current)
 829 {
 830     wxASSERT_MSG( current == wxNOT_FOUND ||
 831                     (current >= m_minSymbolValue && current <= m_maxSymbolValue),
 832                   _T("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
 833
 834     if ( current == m_current )
 835     {
 836         // nothing to do
 837         return false;
 838     }
 839
 840     if ( m_current != wxNOT_FOUND )
 841         RefreshLine(SymbolValueToLineNumber(m_current));
 842
 843     m_current = current;
 844
 845     if ( m_current != wxNOT_FOUND )
 846     {
 847         int lineNo = SymbolValueToLineNumber(m_current);
 848
 849         // if the line is not visible at all, we scroll it into view but we
 850         // don't need to refresh it -- it will be redrawn anyhow
 851         if ( !IsVisible(lineNo) )
 852         {
 853             ScrollToLine(lineNo);
 854         }
 855         else // line is at least partly visible
 856         {
 857             // it is, indeed, only partly visible, so scroll it into view to
 858             // make it entirely visible
 859             while ( unsigned(lineNo) == GetLastVisibleLine() &&
 860                     ScrollToLine(GetVisibleBegin()+1) )
 861                 ;
 862
 863             // but in any case refresh it as even if it was only partly visible
 864             // before we need to redraw it entirely as its background changed
 865             RefreshLine(lineNo);
 866         }
 867     }
 868
 869     return true;
 870 }
 871
 872 void wxSymbolListCtrl::SendSelectedEvent()
 873 {
 874     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
 875     event.SetEventObject(this);
 876     event.SetInt(m_current);
 877
 878     (void)GetEventHandler()->ProcessEvent(event);
 879 }
 880
 881 void wxSymbolListCtrl::SetSelection(int selection)
 882 {
 883     wxCHECK_RET( selection == wxNOT_FOUND ||
 884                   (selection >= m_minSymbolValue && selection < m_maxSymbolValue),
 885                   _T("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
 886
 887     DoSetCurrent(selection);
 888 }
 889
 890 // ----------------------------------------------------------------------------
 891 // wxSymbolListCtrl appearance parameters
 892 // ----------------------------------------------------------------------------
 893
 894 void wxSymbolListCtrl::SetMargins(const wxPoint& pt)
 895 {
 896     if ( pt != m_ptMargins )
 897     {
 898         m_ptMargins = pt;
 899
 900         Refresh();
 901     }
 902 }
 903
 904 void wxSymbolListCtrl::SetSelectionBackground(const wxColour& col)
 905 {
 906     m_colBgSel = col;
 907 }
 908
 909 // ----------------------------------------------------------------------------
 910 // wxSymbolListCtrl painting
 911 // ----------------------------------------------------------------------------
 912
 913 wxCoord wxSymbolListCtrl::OnGetLineHeight(size_t WXUNUSED(line)) const
 914 {
 915     return m_cellSize.y + 2*m_ptMargins.y + 1 /* for divider */ ;
 916 }
 917
 918 // draws a line of symbols
 919 void wxSymbolListCtrl::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 920 {
 921     wxColour oldTextColour = dc.GetTextForeground();
 922     int startSymbol = n*m_symbolsPerLine;
 923
 924     int i;
 925     for (i = 0; i < m_symbolsPerLine; i++)
 926     {
 927         bool resetColour = false;
 928         int symbol = startSymbol+i;
 929         if (symbol == m_current)
 930         {
 931             dc.SetBrush(wxBrush(m_colBgSel));
 932
 933             dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
 934             resetColour = true;
 935
 936             wxPen oldPen = dc.GetPen();
 937             dc.SetPen(*wxTRANSPARENT_PEN);
 938
 939             dc.DrawRectangle(rect.x + i*m_cellSize.x, rect.y, m_cellSize.x, rect.y+rect.height);
 940             dc.SetPen(oldPen);
 941         }
 942
 943         // Don't draw first line
 944         if (i != 0)
 945             dc.DrawLine(rect.x + i*m_cellSize.x, rect.y, i*m_cellSize.x, rect.y+rect.height);
 946
 947         if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
 948         {
 949             wxString text;
 950             text << (wxChar) symbol;
 951
 952             wxCoord w, h;
 953             dc.GetTextExtent(text, & w, & h);
 954
 955             int x = rect.x + i*m_cellSize.x + (m_cellSize.x - w)/2;
 956             int y = rect.y + (m_cellSize.y - h)/2;
 957             dc.DrawText(text, x, y);
 958         }
 959
 960         if (resetColour)
 961             dc.SetTextForeground(oldTextColour);
 962     }
 963
 964     // Draw horizontal separator line
 965     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1);
 966 }
 967
 968 void wxSymbolListCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 969 {
 970     // If size is larger, recalculate double buffer bitmap
 971     wxSize clientSize = GetClientSize();
 972
 973     if ( !m_doubleBuffer ||
 974          clientSize.x > m_doubleBuffer->GetWidth() ||
 975          clientSize.y > m_doubleBuffer->GetHeight() )
 976     {
 977         delete m_doubleBuffer;
 978         m_doubleBuffer = new wxBitmap(clientSize.x+25,clientSize.y+25);
 979     }
 980
 981     wxBufferedPaintDC dc(this,*m_doubleBuffer);
 982
 983     // the update rectangle
 984     wxRect rectUpdate = GetUpdateClientRect();
 985
 986     // fill it with background colour
 987     dc.SetBackground(GetBackgroundColour());
 988     dc.Clear();
 989
 990     // set the font to be displayed
 991     dc.SetFont(GetFont());
 992
 993     // the bounding rectangle of the current line
 994     wxRect rectLine;
 995     rectLine.width = clientSize.x;
 996
 997     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)));
 998     dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 999     dc.SetBackgroundMode(wxTRANSPARENT);
1000
1001     // iterate over all visible lines
1002     const size_t lineMax = GetVisibleEnd();
1003     for ( size_t line = GetFirstVisibleLine(); line < lineMax; line++ )
1004     {
1005         const wxCoord hLine = OnGetLineHeight(line);
1006
1007         rectLine.height = hLine;
1008
1009         // and draw the ones which intersect the update rect
1010         if ( rectLine.Intersects(rectUpdate) )
1011         {
1012             // don't allow drawing outside of the lines rectangle
1013             wxDCClipper clip(dc, rectLine);
1014
1015             wxRect rect = rectLine;
1016             rect.Deflate(m_ptMargins.x, m_ptMargins.y);
1017             OnDrawItem(dc, rect, line);
1018         }
1019         else // no intersection
1020         {
1021             if ( rectLine.GetTop() > rectUpdate.GetBottom() )
1022             {
1023                 // we are already below the update rect, no need to continue
1024                 // further
1025                 break;
1026             }
1027             //else: the next line may intersect the update rect
1028         }
1029
1030         rectLine.y += hLine;
1031     }
1032 }
1033
1034 // ============================================================================
1035 // wxSymbolListCtrl keyboard/mouse handling
1036 // ============================================================================
1037
1038 void wxSymbolListCtrl::DoHandleItemClick(int item, int WXUNUSED(flags))
1039 {
1040     if (m_current != item)
1041     {
1042         m_current = item;
1043         Refresh();
1044         SendSelectedEvent();
1045     }
1046 }
1047
1048 // ----------------------------------------------------------------------------
1049 // keyboard handling
1050 // ----------------------------------------------------------------------------
1051
1052 void wxSymbolListCtrl::OnKeyDown(wxKeyEvent& event)
1053 {
1054     // No keyboard interface for now
1055     event.Skip();
1056 #if 0
1057     // flags for DoHandleItemClick()
1058     int flags = ItemClick_Kbd;
1059
1060     int currentLineNow = SymbolValueToLineNumber(m_current);
1061
1062     int currentLine;
1063     switch ( event.GetKeyCode() )
1064     {
1065         case WXK_HOME:
1066             currentLine = 0;
1067             break;
1068
1069         case WXK_END:
1070             currentLine = GetLineCount() - 1;
1071             break;
1072
1073         case WXK_DOWN:
1074             if ( currentLineNow == (int)GetLineCount() - 1 )
1075                 return;
1076
1077             currentLine = currentLineNow + 1;
1078             break;
1079
1080         case WXK_UP:
1081             if ( m_current == wxNOT_FOUND )
1082                 currentLine = GetLineCount() - 1;
1083             else if ( currentLineNow != 0 )
1084                 currentLine = currentLineNow - 1;
1085             else // currentLineNow == 0
1086                 return;
1087             break;
1088
1089         case WXK_PAGEDOWN:
1090             PageDown();
1091             currentLine = GetFirstVisibleLine();
1092             break;
1093
1094         case WXK_PAGEUP:
1095             if ( currentLineNow == (int)GetFirstVisibleLine() )
1096             {
1097                 PageUp();
1098             }
1099
1100             currentLine = GetFirstVisibleLine();
1101             break;
1102
1103         case WXK_SPACE:
1104             // hack: pressing space should work like a mouse click rather than
1105             // like a keyboard arrow press, so trick DoHandleItemClick() in
1106             // thinking we were clicked
1107             flags &= ~ItemClick_Kbd;
1108             currentLine = currentLineNow;
1109             break;
1110
1111 #ifdef __WXMSW__
1112         case WXK_TAB:
1113             // Since we are using wxWANTS_CHARS we need to send navigation
1114             // events for the tabs on MSW
1115             {
1116                 wxNavigationKeyEvent ne;
1117                 ne.SetDirection(!event.ShiftDown());
1118                 ne.SetCurrentFocus(this);
1119                 ne.SetEventObject(this);
1120                 GetParent()->GetEventHandler()->ProcessEvent(ne);
1121             }
1122             // fall through to default
1123 #endif
1124         default:
1125             event.Skip();
1126             currentLine = 0; // just to silent the stupid compiler warnings
1127             wxUnusedVar(currentNow);
1128             return;
1129     }
1130
1131 #if 0
1132     if ( event.ShiftDown() )
1133        flags |= ItemClick_Shift;
1134     if ( event.ControlDown() )
1135         flags |= ItemClick_Ctrl;
1136
1137     DoHandleItemClick(current, flags);
1138 #endif
1139 #endif
1140 }
1141
1142 // ----------------------------------------------------------------------------
1143 // wxSymbolListCtrl mouse handling
1144 // ----------------------------------------------------------------------------
1145
1146 void wxSymbolListCtrl::OnLeftDown(wxMouseEvent& event)
1147 {
1148     SetFocus();
1149
1150     int item = HitTest(event.GetPosition());
1151
1152     if ( item != wxNOT_FOUND )
1153     {
1154         int flags = 0;
1155         if ( event.ShiftDown() )
1156            flags |= ItemClick_Shift;
1157
1158         // under Mac Apple-click is used in the same way as Ctrl-click
1159         // elsewhere
1160 #ifdef __WXMAC__
1161         if ( event.MetaDown() )
1162 #else
1163         if ( event.ControlDown() )
1164 #endif
1165             flags |= ItemClick_Ctrl;
1166
1167         DoHandleItemClick(item, flags);
1168     }
1169 }
1170
1171 void wxSymbolListCtrl::OnLeftDClick(wxMouseEvent& eventMouse)
1172 {
1173     int item = HitTest(eventMouse.GetPosition());
1174     if ( item != wxNOT_FOUND )
1175     {
1176
1177         // if item double-clicked was not yet selected, then treat
1178         // this event as a left-click instead
1179         if ( item == m_current )
1180         {
1181             wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
1182             event.SetEventObject(this);
1183             event.SetInt(item);
1184
1185             (void)GetEventHandler()->ProcessEvent(event);
1186         }
1187         else
1188         {
1189             OnLeftDown(eventMouse);
1190         }
1191
1192     }
1193 }
1194
1195 // calculate line number from symbol value
1196 int wxSymbolListCtrl::SymbolValueToLineNumber(int item)
1197 {
1198     return (int) (item/m_symbolsPerLine);
1199 }
1200
1201 // initialise control from current min/max values
1202 void wxSymbolListCtrl::SetupCtrl(bool scrollToSelection)
1203 {
1204     wxSize sz = GetClientSize();
1205
1206     m_symbolsPerLine = sz.x/(m_cellSize.x+m_ptMargins.x);
1207     int noLines = (1 + SymbolValueToLineNumber(m_maxSymbolValue));
1208
1209     SetLineCount(noLines);
1210     Refresh();
1211
1212     if (scrollToSelection && m_current != wxNOT_FOUND && m_current >= m_minSymbolValue && m_current <= m_maxSymbolValue)
1213     {
1214         ScrollToLine(SymbolValueToLineNumber(m_current));
1215     }
1216 }
1217
1218 // make this item visible
1219 void wxSymbolListCtrl::EnsureVisible(int item)
1220 {
1221     if (item != wxNOT_FOUND && item >= m_minSymbolValue && item <= m_maxSymbolValue)
1222     {
1223         ScrollToLine(SymbolValueToLineNumber(item));
1224     }
1225 }
1226
1227
1228 // hit testing
1229 int wxSymbolListCtrl::HitTest(const wxPoint& pt)
1230 {
1231     wxCoord lineHeight = OnGetLineHeight(0);
1232
1233     int atLine = GetVisibleBegin() + (pt.y/lineHeight);
1234     int symbol = (atLine*m_symbolsPerLine) + (pt.x/(m_cellSize.x+1));
1235
1236     if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
1237         return symbol;
1238
1239     return -1;
1240 }
1241
1242 // Respond to size change
1243 void wxSymbolListCtrl::OnSize(wxSizeEvent& event)
1244 {
1245     SetupCtrl();
1246     event.Skip();
1247 }
1248
1249 // set the current font
1250 bool wxSymbolListCtrl::SetFont(const wxFont& font)
1251 {
1252     wxVScrolledWindow::SetFont(font);
1253
1254     SetupCtrl();
1255
1256     return true;
1257 }
1258
1259 // set Unicode/ASCII mode
1260 void wxSymbolListCtrl::SetUnicodeMode(bool unicodeMode)
1261 {
1262     bool changed = false;
1263     if (unicodeMode && !m_unicodeMode)
1264     {
1265         changed = true;
1266
1267         m_minSymbolValue = 0;
1268         m_maxSymbolValue = 65535;
1269     }
1270     else if (!unicodeMode && m_unicodeMode)
1271     {
1272         changed = true;
1273         m_minSymbolValue = 0;
1274         m_maxSymbolValue = 255;
1275     }
1276     m_unicodeMode = unicodeMode;
1277
1278     if (changed)
1279         SetupCtrl();
1280 }
1281
1282 // ----------------------------------------------------------------------------
1283 // use the same default attributes as wxListBox
1284 // ----------------------------------------------------------------------------
1285
1286 //static
1287 wxVisualAttributes
1288 wxSymbolListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
1289 {
1290     return wxListBox::GetClassDefaultAttributes(variant);
1291 }
1292
1293 #endif // wxUSE_RICHTEXT