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     const 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     EVT_UPDATE_UI( wxID_OK, wxSymbolPickerDialog::OnOkUpdate )
 306
 307 ////@end wxSymbolPickerDialog event table entries
 308
 309 END_EVENT_TABLE()
 310
 311 /*!
 312  * wxSymbolPickerDialog constructors
 313  */
 314
 315 wxSymbolPickerDialog::wxSymbolPickerDialog( )
 316 {
 317     Init();
 318 }
 319
 320 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 )
 321 {
 322     Init();
 323     Create(symbol, fontName, normalTextFont, parent, id, caption, pos, size, style);
 324 }
 325
 326 /*!
 327  * wxSymbolPickerDialog creator
 328  */
 329
 330 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 )
 331 {
 332     m_fontName = fontName;
 333     m_normalTextFontName = normalTextFont;
 334     m_symbol = symbol;
 335
 336 ////@begin wxSymbolPickerDialog creation
 337     SetExtraStyle(wxWS_EX_BLOCK_EVENTS|wxDIALOG_EX_CONTEXTHELP);
 338     wxDialog::Create( parent, id, caption, pos, size, style );
 339
 340     CreateControls();
 341     if (GetSizer())
 342     {
 343         GetSizer()->SetSizeHints(this);
 344     }
 345     Centre();
 346 ////@end wxSymbolPickerDialog creation
 347     return true;
 348 }
 349
 350 /*!
 351  * Member initialisation for wxSymbolPickerDialog
 352  */
 353
 354 void wxSymbolPickerDialog::Init()
 355 {
 356 ////@begin wxSymbolPickerDialog member initialisation
 357     m_fromUnicode = true;
 358     m_fontCtrl = NULL;
 359 #if defined(__UNICODE__)
 360     m_subsetCtrl = NULL;
 361 #endif
 362     m_symbolsCtrl = NULL;
 363     m_symbolStaticCtrl = NULL;
 364     m_characterCodeCtrl = NULL;
 365 #if defined(__UNICODE__)
 366     m_fromUnicodeCtrl = NULL;
 367 #endif
 368 ////@end wxSymbolPickerDialog member initialisation
 369     m_dontUpdate = false;
 370 }
 371
 372 /*!
 373  * Control creation for wxSymbolPickerDialog
 374  */
 375
 376 void wxSymbolPickerDialog::CreateControls()
 377 {
 378 ////@begin wxSymbolPickerDialog content construction
 379     wxSymbolPickerDialog* itemDialog1 = this;
 380
 381     wxBoxSizer* itemBoxSizer2 = new wxBoxSizer(wxVERTICAL);
 382     itemDialog1->SetSizer(itemBoxSizer2);
 383
 384     wxBoxSizer* itemBoxSizer3 = new wxBoxSizer(wxVERTICAL);
 385     itemBoxSizer2->Add(itemBoxSizer3, 1, wxGROW|wxALL, 5);
 386
 387     wxBoxSizer* itemBoxSizer4 = new wxBoxSizer(wxHORIZONTAL);
 388     itemBoxSizer3->Add(itemBoxSizer4, 0, wxGROW, 5);
 389
 390     wxBoxSizer* itemBoxSizer5 = new wxBoxSizer(wxHORIZONTAL);
 391     itemBoxSizer4->Add(itemBoxSizer5, 1, wxGROW, 5);
 392
 393     wxStaticText* itemStaticText6 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Font:"), wxDefaultPosition, wxDefaultSize, 0 );
 394     itemBoxSizer5->Add(itemStaticText6, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 395
 396     wxArrayString m_fontCtrlStrings;
 397     m_fontCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FONT, _T(""), wxDefaultPosition, wxSize(240, -1), m_fontCtrlStrings, wxCB_READONLY );
 398     m_fontCtrl->SetHelpText(_("The font from which to take the symbol."));
 399     if (wxSymbolPickerDialog::ShowToolTips())
 400         m_fontCtrl->SetToolTip(_("The font from which to take the symbol."));
 401     itemBoxSizer5->Add(m_fontCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 402
 403     itemBoxSizer5->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 404
 405 #if defined(__UNICODE__)
 406     wxStaticText* itemStaticText9 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Subset:"), wxDefaultPosition, wxDefaultSize, 0 );
 407     itemBoxSizer5->Add(itemStaticText9, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 408
 409 #endif
 410
 411 #if defined(__UNICODE__)
 412     wxArrayString m_subsetCtrlStrings;
 413     m_subsetCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_SUBSET, _T(""), wxDefaultPosition, wxDefaultSize, m_subsetCtrlStrings, wxCB_READONLY );
 414     m_subsetCtrl->SetHelpText(_("Shows a Unicode subset."));
 415     if (wxSymbolPickerDialog::ShowToolTips())
 416         m_subsetCtrl->SetToolTip(_("Shows a Unicode subset."));
 417     itemBoxSizer5->Add(m_subsetCtrl, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 418
 419 #endif
 420
 421     m_symbolsCtrl = new wxSymbolListCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_LISTCTRL, wxDefaultPosition, wxSize(500, 200), 0 );
 422     itemBoxSizer3->Add(m_symbolsCtrl, 1, wxGROW|wxALL, 5);
 423
 424     wxBoxSizer* itemBoxSizer12 = new wxBoxSizer(wxHORIZONTAL);
 425     itemBoxSizer3->Add(itemBoxSizer12, 0, wxGROW, 5);
 426
 427     m_symbolStaticCtrl = new wxStaticText( itemDialog1, wxID_STATIC, _("xxxx"), wxDefaultPosition, wxSize(40, -1), wxALIGN_CENTRE );
 428     itemBoxSizer12->Add(m_symbolStaticCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 429
 430     itemBoxSizer12->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 431
 432     wxStaticText* itemStaticText15 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Character code:"), wxDefaultPosition, wxDefaultSize, 0 );
 433     itemBoxSizer12->Add(itemStaticText15, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 434
 435     m_characterCodeCtrl = new wxTextCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_CHARACTERCODE, _T(""), wxDefaultPosition, wxSize(140, -1), wxTE_READONLY|wxTE_CENTRE );
 436     m_characterCodeCtrl->SetHelpText(_("The character code."));
 437     if (wxSymbolPickerDialog::ShowToolTips())
 438         m_characterCodeCtrl->SetToolTip(_("The character code."));
 439     itemBoxSizer12->Add(m_characterCodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 440
 441     itemBoxSizer12->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 442
 443 #if defined(__UNICODE__)
 444     wxStaticText* itemStaticText18 = new wxStaticText( itemDialog1, wxID_STATIC, _("&From:"), wxDefaultPosition, wxDefaultSize, 0 );
 445     itemBoxSizer12->Add(itemStaticText18, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 446
 447 #endif
 448
 449 #if defined(__UNICODE__)
 450     wxArrayString m_fromUnicodeCtrlStrings;
 451     m_fromUnicodeCtrlStrings.Add(_("ASCII"));
 452     m_fromUnicodeCtrlStrings.Add(_("Unicode"));
 453     m_fromUnicodeCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FROM, _("ASCII"), wxDefaultPosition, wxDefaultSize, m_fromUnicodeCtrlStrings, wxCB_READONLY );
 454     m_fromUnicodeCtrl->SetStringSelection(_("ASCII"));
 455     m_fromUnicodeCtrl->SetHelpText(_("The range to show."));
 456     if (wxSymbolPickerDialog::ShowToolTips())
 457         m_fromUnicodeCtrl->SetToolTip(_("The range to show."));
 458     itemBoxSizer12->Add(m_fromUnicodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 459
 460 #endif
 461
 462     wxBoxSizer* itemBoxSizer20 = new wxBoxSizer(wxHORIZONTAL);
 463     itemBoxSizer3->Add(itemBoxSizer20, 0, wxGROW, 5);
 464
 465     itemBoxSizer20->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 466
 467     wxStdDialogButtonSizer* itemStdDialogButtonSizer22 = new wxStdDialogButtonSizer;
 468
 469     itemBoxSizer20->Add(itemStdDialogButtonSizer22, 0, wxALIGN_CENTER_VERTICAL|wxTOP|wxBOTTOM, 5);
 470     wxButton* itemButton23 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 471     itemButton23->SetDefault();
 472     itemStdDialogButtonSizer22->AddButton(itemButton23);
 473
 474     wxButton* itemButton24 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 475     itemStdDialogButtonSizer22->AddButton(itemButton24);
 476
 477     itemStdDialogButtonSizer22->Realize();
 478
 479 ////@end wxSymbolPickerDialog content construction
 480
 481 }
 482
 483 /// Data transfer
 484 bool wxSymbolPickerDialog::TransferDataToWindow()
 485 {
 486     m_dontUpdate = true;
 487
 488     if (m_fontCtrl->GetCount() == 0)
 489     {
 490         wxArrayString faceNames = wxRichTextCtrl::GetAvailableFontNames();
 491         faceNames.Sort();
 492
 493         faceNames.Insert(_("(Normal text)"), 0);
 494         m_fontCtrl->Append(faceNames);
 495     }
 496
 497     if (m_fontName.empty())
 498         m_fontCtrl->SetSelection(0);
 499     else
 500     {
 501         if (m_fontCtrl->FindString(m_fontName) != wxNOT_FOUND)
 502             m_fontCtrl->SetStringSelection(m_fontName);
 503         else
 504             m_fontCtrl->SetSelection(0);
 505     }
 506
 507     if (!m_symbol.empty())
 508     {
 509         int sel = (int) m_symbol[0];
 510         m_symbolsCtrl->SetSelection(sel);
 511     }
 512
 513 #if defined(__UNICODE__)
 514     if (m_subsetCtrl->GetCount() == 0)
 515     {
 516         // Insert items into subset combo
 517         int i;
 518         for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
 519         {
 520             m_subsetCtrl->Append(g_UnicodeSubsetTable[i].m_name);
 521         }
 522         m_subsetCtrl->SetSelection(0);
 523     }
 524 #endif
 525
 526     UpdateSymbolDisplay();
 527
 528     m_dontUpdate = false;
 529
 530     return true;
 531 }
 532
 533 void wxSymbolPickerDialog::UpdateSymbolDisplay(bool updateSymbolList, bool showAtSubset)
 534 {
 535     wxFont font;
 536     wxString fontNameToUse;
 537     if (m_fontName.empty())
 538         fontNameToUse = m_normalTextFontName;
 539     else
 540         fontNameToUse = m_fontName;
 541
 542     if (!fontNameToUse.empty())
 543     {
 544         font = wxFont(14, wxDEFAULT, wxNORMAL, wxNORMAL, false, fontNameToUse);
 545     }
 546     else
 547         font = *wxNORMAL_FONT;
 548
 549     if (updateSymbolList)
 550     {
 551         m_symbolsCtrl->SetFont(font);
 552     }
 553
 554     if (!m_symbol.empty())
 555     {
 556         m_symbolStaticCtrl->SetFont(font);
 557         m_symbolStaticCtrl->SetLabel(m_symbol);
 558
 559         int symbol = (int) m_symbol[0];
 560         m_characterCodeCtrl->SetValue(wxString::Format(wxT("%X hex (%d dec)"), symbol, symbol));
 561     }
 562     else
 563     {
 564         m_symbolStaticCtrl->SetLabel(wxEmptyString);
 565         m_characterCodeCtrl->SetValue(wxEmptyString);
 566     }
 567
 568 #if defined(__UNICODE__)
 569     if (showAtSubset)
 570         ShowAtSubset();
 571 #else
 572     wxUnusedVar(showAtSubset);
 573 #endif
 574 }
 575
 576 /// Show at the current subset selection
 577 void wxSymbolPickerDialog::ShowAtSubset()
 578 {
 579 #if defined(__UNICODE__)
 580     if (m_fromUnicode)
 581     {
 582         int sel = m_subsetCtrl->GetSelection();
 583         int low = g_UnicodeSubsetTable[sel].m_low;
 584         m_symbolsCtrl->EnsureVisible(low);
 585     }
 586 #endif
 587 }
 588
 589 // Handle font selection
 590 void wxSymbolPickerDialog::OnFontCtrlSelected( wxCommandEvent& WXUNUSED(event) )
 591 {
 592     if (m_fontCtrl->GetSelection() == 0)
 593         m_fontName = wxEmptyString;
 594     else
 595         m_fontName = m_fontCtrl->GetStringSelection();
 596
 597     UpdateSymbolDisplay();
 598 }
 599
 600 /// Respond to symbol selection
 601 void wxSymbolPickerDialog::OnSymbolSelected( wxCommandEvent& event )
 602 {
 603     if (m_dontUpdate)
 604         return;
 605
 606     int sel = event.GetSelection();
 607     if (sel == wxNOT_FOUND)
 608         m_symbol = wxEmptyString;
 609     else
 610     {
 611         m_symbol = wxEmptyString;
 612         m_symbol << (wxChar) sel;
 613     }
 614
 615 #if defined(__UNICODE__)
 616     if (sel != -1 && m_fromUnicode)
 617     {
 618         // Need to make the subset selection reflect the current symbol
 619         int i;
 620         for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
 621         {
 622             if (sel >= g_UnicodeSubsetTable[i].m_low && sel <= g_UnicodeSubsetTable[i].m_high)
 623             {
 624                 m_dontUpdate = true;
 625                 m_subsetCtrl->SetSelection(i);
 626                 m_dontUpdate = false;
 627                 break;
 628             }
 629         }
 630     }
 631 #endif
 632
 633     UpdateSymbolDisplay(false, false);
 634 }
 635
 636 #if defined(__UNICODE__)
 637 // Handle Unicode/ASCII selection
 638 void wxSymbolPickerDialog::OnFromUnicodeSelected( wxCommandEvent& WXUNUSED(event) )
 639 {
 640     if (m_dontUpdate)
 641         return;
 642
 643     m_fromUnicode = (m_fromUnicodeCtrl->GetSelection() == 1);
 644     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 645     UpdateSymbolDisplay(false);
 646 }
 647
 648 // Handle subset selection
 649 void wxSymbolPickerDialog::OnSubsetSelected( wxCommandEvent& WXUNUSED(event) )
 650 {
 651     if (m_dontUpdate)
 652         return;
 653
 654     ShowAtSubset();
 655 }
 656 #endif
 657
 658 /*!
 659  * wxEVT_UPDATE_UI event handler for wxID_OK
 660  */
 661
 662 void wxSymbolPickerDialog::OnOkUpdate( wxUpdateUIEvent& event )
 663 {
 664     event.Enable(HasSelection());
 665 }
 666
 667 /// Set Unicode mode
 668 void wxSymbolPickerDialog::SetUnicodeMode(bool unicodeMode)
 669 {
 670 #if defined(__UNICODE__)
 671     m_dontUpdate = true;
 672     m_fromUnicode = unicodeMode;
 673     if (m_fromUnicodeCtrl)
 674         m_fromUnicodeCtrl->SetSelection(m_fromUnicode ? 1 : 0);
 675     UpdateSymbolDisplay();
 676     m_dontUpdate = false;
 677 #else
 678     wxUnusedVar(unicodeMode);
 679 #endif
 680 }
 681
 682 /// Get the selected symbol character
 683 int wxSymbolPickerDialog::GetSymbolChar() const
 684 {
 685     if (m_symbol.empty())
 686         return -1;
 687     else
 688         return (int) m_symbol[0];
 689 }
 690
 691
 692 /*!
 693  * Get bitmap resources
 694  */
 695
 696 wxBitmap wxSymbolPickerDialog::GetBitmapResource( const wxString& name )
 697 {
 698     // Bitmap retrieval
 699 ////@begin wxSymbolPickerDialog bitmap retrieval
 700     wxUnusedVar(name);
 701     return wxNullBitmap;
 702 ////@end wxSymbolPickerDialog bitmap retrieval
 703 }
 704
 705 /*!
 706  * Get icon resources
 707  */
 708
 709 wxIcon wxSymbolPickerDialog::GetIconResource( const wxString& name )
 710 {
 711     // Icon retrieval
 712 ////@begin wxSymbolPickerDialog icon retrieval
 713     wxUnusedVar(name);
 714     return wxNullIcon;
 715 ////@end wxSymbolPickerDialog icon retrieval
 716 }
 717
 718 /*!
 719  * The scrolling symbol list.
 720  */
 721
 722 // ----------------------------------------------------------------------------
 723 // event tables
 724 // ----------------------------------------------------------------------------
 725
 726 BEGIN_EVENT_TABLE(wxSymbolListCtrl, wxVScrolledWindow)
 727     EVT_PAINT(wxSymbolListCtrl::OnPaint)
 728     EVT_SIZE(wxSymbolListCtrl::OnSize)
 729
 730     EVT_KEY_DOWN(wxSymbolListCtrl::OnKeyDown)
 731     EVT_LEFT_DOWN(wxSymbolListCtrl::OnLeftDown)
 732     EVT_LEFT_DCLICK(wxSymbolListCtrl::OnLeftDClick)
 733 END_EVENT_TABLE()
 734
 735 // ============================================================================
 736 // implementation
 737 // ============================================================================
 738
 739 IMPLEMENT_ABSTRACT_CLASS(wxSymbolListCtrl, wxVScrolledWindow)
 740
 741 // ----------------------------------------------------------------------------
 742 // wxSymbolListCtrl creation
 743 // ----------------------------------------------------------------------------
 744
 745 void wxSymbolListCtrl::Init()
 746 {
 747     m_current = wxNOT_FOUND;
 748     m_doubleBuffer = NULL;
 749     m_cellSize = wxSize(40, 40);
 750     m_minSymbolValue = 0;
 751     m_maxSymbolValue = 255;
 752     m_symbolsPerLine = 0;
 753     m_unicodeMode = false;
 754 }
 755
 756 bool wxSymbolListCtrl::Create(wxWindow *parent,
 757                         wxWindowID id,
 758                         const wxPoint& pos,
 759                         const wxSize& size,
 760                         long style,
 761                         const wxString& name)
 762 {
 763     style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
 764
 765     if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
 766         style |= wxBORDER_THEME;
 767
 768     if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) )
 769         return false;
 770
 771     // make sure the native widget has the right colour since we do
 772     // transparent drawing by default
 773     SetBackgroundColour(GetBackgroundColour());
 774     m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 775
 776     // flicker-free drawing requires this
 777     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 778
 779     SetFont(*wxNORMAL_FONT);
 780
 781     SetupCtrl();
 782
 783     return true;
 784 }
 785
 786 wxSymbolListCtrl::~wxSymbolListCtrl()
 787 {
 788     delete m_doubleBuffer;
 789 }
 790
 791 // ----------------------------------------------------------------------------
 792 // selection handling
 793 // ----------------------------------------------------------------------------
 794
 795 bool wxSymbolListCtrl::IsSelected(int item) const
 796 {
 797     return item == m_current;
 798 }
 799
 800 bool wxSymbolListCtrl::DoSetCurrent(int current)
 801 {
 802     wxASSERT_MSG( current == wxNOT_FOUND ||
 803                     (current >= m_minSymbolValue && current <= m_maxSymbolValue),
 804                   _T("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
 805
 806     if ( current == m_current )
 807     {
 808         // nothing to do
 809         return false;
 810     }
 811
 812     if ( m_current != wxNOT_FOUND )
 813         RefreshRow(SymbolValueToLineNumber(m_current));
 814
 815     m_current = current;
 816
 817     if ( m_current != wxNOT_FOUND )
 818     {
 819         int lineNo = SymbolValueToLineNumber(m_current);
 820
 821         // if the line is not visible at all, we scroll it into view but we
 822         // don't need to refresh it -- it will be redrawn anyhow
 823         if ( !IsVisible(lineNo) )
 824         {
 825             ScrollToRow(lineNo);
 826         }
 827         else // line is at least partly visible
 828         {
 829             // it is, indeed, only partly visible, so scroll it into view to
 830             // make it entirely visible
 831             while ( (unsigned)lineNo + 1 == GetVisibleEnd() &&
 832                     ScrollToRow(GetVisibleBegin() + 1) )
 833                 ;
 834
 835             // but in any case refresh it as even if it was only partly visible
 836             // before we need to redraw it entirely as its background changed
 837             RefreshRow(lineNo);
 838         }
 839     }
 840
 841     return true;
 842 }
 843
 844 void wxSymbolListCtrl::SendSelectedEvent()
 845 {
 846     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
 847     event.SetEventObject(this);
 848     event.SetInt(m_current);
 849
 850     (void)GetEventHandler()->ProcessEvent(event);
 851 }
 852
 853 void wxSymbolListCtrl::SetSelection(int selection)
 854 {
 855     wxCHECK_RET( selection == wxNOT_FOUND ||
 856                   (selection >= m_minSymbolValue && selection < m_maxSymbolValue),
 857                   _T("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
 858
 859     DoSetCurrent(selection);
 860 }
 861
 862 // ----------------------------------------------------------------------------
 863 // wxSymbolListCtrl appearance parameters
 864 // ----------------------------------------------------------------------------
 865
 866 void wxSymbolListCtrl::SetMargins(const wxPoint& pt)
 867 {
 868     if ( pt != m_ptMargins )
 869     {
 870         m_ptMargins = pt;
 871
 872         Refresh();
 873     }
 874 }
 875
 876 void wxSymbolListCtrl::SetSelectionBackground(const wxColour& col)
 877 {
 878     m_colBgSel = col;
 879 }
 880
 881 // ----------------------------------------------------------------------------
 882 // wxSymbolListCtrl painting
 883 // ----------------------------------------------------------------------------
 884
 885 wxCoord wxSymbolListCtrl::OnGetRowHeight(size_t WXUNUSED(line)) const
 886 {
 887     return m_cellSize.y + 2*m_ptMargins.y + 1 /* for divider */ ;
 888 }
 889
 890 // draws a line of symbols
 891 void wxSymbolListCtrl::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 892 {
 893     wxColour oldTextColour = dc.GetTextForeground();
 894     int startSymbol = n*m_symbolsPerLine;
 895
 896     int i;
 897     for (i = 0; i < m_symbolsPerLine; i++)
 898     {
 899         bool resetColour = false;
 900         int symbol = startSymbol+i;
 901         if (symbol == m_current)
 902         {
 903             dc.SetBrush(wxBrush(m_colBgSel));
 904
 905             dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
 906             resetColour = true;
 907
 908             wxPen oldPen = dc.GetPen();
 909             dc.SetPen(*wxTRANSPARENT_PEN);
 910
 911             dc.DrawRectangle(rect.x + i*m_cellSize.x, rect.y, m_cellSize.x, rect.y+rect.height);
 912             dc.SetPen(oldPen);
 913         }
 914
 915         // Don't draw first line
 916         if (i != 0)
 917             dc.DrawLine(rect.x + i*m_cellSize.x, rect.y, i*m_cellSize.x, rect.y+rect.height);
 918
 919         if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
 920         {
 921             wxString text;
 922             text << (wxChar) symbol;
 923
 924             wxCoord w, h;
 925             dc.GetTextExtent(text, & w, & h);
 926
 927             int x = rect.x + i*m_cellSize.x + (m_cellSize.x - w)/2;
 928             int y = rect.y + (m_cellSize.y - h)/2;
 929             dc.DrawText(text, x, y);
 930         }
 931
 932         if (resetColour)
 933             dc.SetTextForeground(oldTextColour);
 934     }
 935
 936     // Draw horizontal separator line
 937     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1);
 938 }
 939
 940 void wxSymbolListCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 941 {
 942     // If size is larger, recalculate double buffer bitmap
 943     wxSize clientSize = GetClientSize();
 944
 945     if ( !m_doubleBuffer ||
 946          clientSize.x > m_doubleBuffer->GetWidth() ||
 947          clientSize.y > m_doubleBuffer->GetHeight() )
 948     {
 949         delete m_doubleBuffer;
 950         m_doubleBuffer = new wxBitmap(clientSize.x+25,clientSize.y+25);
 951     }
 952
 953     wxBufferedPaintDC dc(this,*m_doubleBuffer);
 954
 955     // the update rectangle
 956     wxRect rectUpdate = GetUpdateClientRect();
 957
 958     // fill it with background colour
 959     dc.SetBackground(GetBackgroundColour());
 960     dc.Clear();
 961
 962     // set the font to be displayed
 963     dc.SetFont(GetFont());
 964
 965     // the bounding rectangle of the current line
 966     wxRect rectRow;
 967     rectRow.width = clientSize.x;
 968
 969     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)));
 970     dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 971     dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 972
 973     // iterate over all visible lines
 974     const size_t lineMax = GetVisibleEnd();
 975     for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
 976     {
 977         const wxCoord hRow = OnGetRowHeight(line);
 978
 979         rectRow.height = hRow;
 980
 981         // and draw the ones which intersect the update rect
 982         if ( rectRow.Intersects(rectUpdate) )
 983         {
 984             // don't allow drawing outside of the lines rectangle
 985             wxDCClipper clip(dc, rectRow);
 986
 987             wxRect rect = rectRow;
 988             rect.Deflate(m_ptMargins.x, m_ptMargins.y);
 989             OnDrawItem(dc, rect, line);
 990         }
 991         else // no intersection
 992         {
 993             if ( rectRow.GetTop() > rectUpdate.GetBottom() )
 994             {
 995                 // we are already below the update rect, no need to continue
 996                 // further
 997                 break;
 998             }
 999             //else: the next line may intersect the update rect
1000         }
1001
1002         rectRow.y += hRow;
1003     }
1004 }
1005
1006 // ============================================================================
1007 // wxSymbolListCtrl keyboard/mouse handling
1008 // ============================================================================
1009
1010 void wxSymbolListCtrl::DoHandleItemClick(int item, int WXUNUSED(flags))
1011 {
1012     if (m_current != item)
1013     {
1014         m_current = item;
1015         Refresh();
1016         SendSelectedEvent();
1017     }
1018 }
1019
1020 // ----------------------------------------------------------------------------
1021 // keyboard handling
1022 // ----------------------------------------------------------------------------
1023
1024 void wxSymbolListCtrl::OnKeyDown(wxKeyEvent& event)
1025 {
1026     // No keyboard interface for now
1027     event.Skip();
1028 #if 0
1029     // flags for DoHandleItemClick()
1030     int flags = ItemClick_Kbd;
1031
1032     int currentLineNow = SymbolValueToLineNumber(m_current);
1033
1034     int currentLine;
1035     switch ( event.GetKeyCode() )
1036     {
1037         case WXK_HOME:
1038             currentLine = 0;
1039             break;
1040
1041         case WXK_END:
1042             currentLine = GetLineCount() - 1;
1043             break;
1044
1045         case WXK_DOWN:
1046             if ( currentLineNow == (int)GetLineCount() - 1 )
1047                 return;
1048
1049             currentLine = currentLineNow + 1;
1050             break;
1051
1052         case WXK_UP:
1053             if ( m_current == wxNOT_FOUND )
1054                 currentLine = GetLineCount() - 1;
1055             else if ( currentLineNow != 0 )
1056                 currentLine = currentLineNow - 1;
1057             else // currentLineNow == 0
1058                 return;
1059             break;
1060
1061         case WXK_PAGEDOWN:
1062             PageDown();
1063             currentLine = GetFirstVisibleLine();
1064             break;
1065
1066         case WXK_PAGEUP:
1067             if ( currentLineNow == (int)GetFirstVisibleLine() )
1068             {
1069                 PageUp();
1070             }
1071
1072             currentLine = GetFirstVisibleLine();
1073             break;
1074
1075         case WXK_SPACE:
1076             // hack: pressing space should work like a mouse click rather than
1077             // like a keyboard arrow press, so trick DoHandleItemClick() in
1078             // thinking we were clicked
1079             flags &= ~ItemClick_Kbd;
1080             currentLine = currentLineNow;
1081             break;
1082
1083 #ifdef __WXMSW__
1084         case WXK_TAB:
1085             // Since we are using wxWANTS_CHARS we need to send navigation
1086             // events for the tabs on MSW
1087             {
1088                 wxNavigationKeyEvent ne;
1089                 ne.SetDirection(!event.ShiftDown());
1090                 ne.SetCurrentFocus(this);
1091                 ne.SetEventObject(this);
1092                 GetParent()->GetEventHandler()->ProcessEvent(ne);
1093             }
1094             // fall through to default
1095 #endif
1096         default:
1097             event.Skip();
1098             currentLine = 0; // just to silent the stupid compiler warnings
1099             wxUnusedVar(currentNow);
1100             return;
1101     }
1102
1103 #if 0
1104     if ( event.ShiftDown() )
1105        flags |= ItemClick_Shift;
1106     if ( event.ControlDown() )
1107         flags |= ItemClick_Ctrl;
1108
1109     DoHandleItemClick(current, flags);
1110 #endif
1111 #endif
1112 }
1113
1114 // ----------------------------------------------------------------------------
1115 // wxSymbolListCtrl mouse handling
1116 // ----------------------------------------------------------------------------
1117
1118 void wxSymbolListCtrl::OnLeftDown(wxMouseEvent& event)
1119 {
1120     SetFocus();
1121
1122     int item = HitTest(event.GetPosition());
1123
1124     if ( item != wxNOT_FOUND )
1125     {
1126         int flags = 0;
1127         if ( event.ShiftDown() )
1128            flags |= ItemClick_Shift;
1129
1130         // under Mac Apple-click is used in the same way as Ctrl-click
1131         // elsewhere
1132 #ifdef __WXMAC__
1133         if ( event.MetaDown() )
1134 #else
1135         if ( event.ControlDown() )
1136 #endif
1137             flags |= ItemClick_Ctrl;
1138
1139         DoHandleItemClick(item, flags);
1140     }
1141 }
1142
1143 void wxSymbolListCtrl::OnLeftDClick(wxMouseEvent& eventMouse)
1144 {
1145     int item = HitTest(eventMouse.GetPosition());
1146     if ( item != wxNOT_FOUND )
1147     {
1148
1149         // if item double-clicked was not yet selected, then treat
1150         // this event as a left-click instead
1151         if ( item == m_current )
1152         {
1153             wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
1154             event.SetEventObject(this);
1155             event.SetInt(item);
1156
1157             (void)GetEventHandler()->ProcessEvent(event);
1158         }
1159         else
1160         {
1161             OnLeftDown(eventMouse);
1162         }
1163
1164     }
1165 }
1166
1167 // calculate line number from symbol value
1168 int wxSymbolListCtrl::SymbolValueToLineNumber(int item)
1169 {
1170     return (int) (item/m_symbolsPerLine);
1171 }
1172
1173 // initialise control from current min/max values
1174 void wxSymbolListCtrl::SetupCtrl(bool scrollToSelection)
1175 {
1176     wxSize sz = GetClientSize();
1177
1178     m_symbolsPerLine = sz.x/(m_cellSize.x+m_ptMargins.x);
1179     int noLines = (1 + SymbolValueToLineNumber(m_maxSymbolValue));
1180
1181     SetRowCount(noLines);
1182     Refresh();
1183
1184     if (scrollToSelection && m_current != wxNOT_FOUND && m_current >= m_minSymbolValue && m_current <= m_maxSymbolValue)
1185     {
1186         ScrollToRow(SymbolValueToLineNumber(m_current));
1187     }
1188 }
1189
1190 // make this item visible
1191 void wxSymbolListCtrl::EnsureVisible(int item)
1192 {
1193     if (item != wxNOT_FOUND && item >= m_minSymbolValue && item <= m_maxSymbolValue)
1194     {
1195         ScrollToRow(SymbolValueToLineNumber(item));
1196     }
1197 }
1198
1199
1200 // hit testing
1201 int wxSymbolListCtrl::HitTest(const wxPoint& pt)
1202 {
1203     wxCoord lineHeight = OnGetRowHeight(0);
1204
1205     int atLine = GetVisibleBegin() + (pt.y/lineHeight);
1206     int symbol = (atLine*m_symbolsPerLine) + (pt.x/(m_cellSize.x+1));
1207
1208     if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
1209         return symbol;
1210
1211     return -1;
1212 }
1213
1214 // Respond to size change
1215 void wxSymbolListCtrl::OnSize(wxSizeEvent& event)
1216 {
1217     SetupCtrl();
1218     event.Skip();
1219 }
1220
1221 // set the current font
1222 bool wxSymbolListCtrl::SetFont(const wxFont& font)
1223 {
1224     wxVScrolledWindow::SetFont(font);
1225
1226     SetupCtrl();
1227
1228     return true;
1229 }
1230
1231 // set Unicode/ASCII mode
1232 void wxSymbolListCtrl::SetUnicodeMode(bool unicodeMode)
1233 {
1234     bool changed = false;
1235     if (unicodeMode && !m_unicodeMode)
1236     {
1237         changed = true;
1238
1239         m_minSymbolValue = 0;
1240         m_maxSymbolValue = 65535;
1241     }
1242     else if (!unicodeMode && m_unicodeMode)
1243     {
1244         changed = true;
1245         m_minSymbolValue = 0;
1246         m_maxSymbolValue = 255;
1247     }
1248     m_unicodeMode = unicodeMode;
1249
1250     if (changed)
1251         SetupCtrl();
1252 }
1253
1254 // ----------------------------------------------------------------------------
1255 // use the same default attributes as wxListBox
1256 // ----------------------------------------------------------------------------
1257
1258 //static
1259 wxVisualAttributes
1260 wxSymbolListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
1261 {
1262     return wxListBox::GetClassDefaultAttributes(variant);
1263 }
1264
1265 #endif // wxUSE_RICHTEXT