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 #if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXPM__) || defined(__WXMGL__) || defined(__WXMOTIF__) || defined(__WXCOCOA__) || defined(__WXX11__) || defined(__WXPALMOS__)
 463     wxBoxSizer* itemBoxSizer20 = new wxBoxSizer(wxHORIZONTAL);
 464     itemBoxSizer3->Add(itemBoxSizer20, 0, wxGROW, 5);
 465
 466     itemBoxSizer20->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 467
 468     wxButton* itemButton22 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 469     itemButton22->SetDefault();
 470     itemButton22->SetHelpText(_("Inserts the chosen symbol."));
 471     if (wxSymbolPickerDialog::ShowToolTips())
 472         itemButton22->SetToolTip(_("Inserts the chosen symbol."));
 473     itemBoxSizer20->Add(itemButton22, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 474
 475     wxButton* itemButton23 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 476     itemButton23->SetHelpText(_("Closes the dialog without inserting a symbol."));
 477     if (wxSymbolPickerDialog::ShowToolTips())
 478         itemButton23->SetToolTip(_("Closes the dialog without inserting a symbol."));
 479     itemBoxSizer20->Add(itemButton23, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 480
 481 #endif
 482
 483 #if defined(__WXMAC__)
 484     wxBoxSizer* itemBoxSizer24 = new wxBoxSizer(wxHORIZONTAL);
 485     itemBoxSizer3->Add(itemBoxSizer24, 0, wxGROW, 5);
 486
 487     itemBoxSizer24->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 488
 489     wxButton* itemButton26 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 490     itemButton26->SetHelpText(_("Closes the dialog without inserting a symbol."));
 491     if (wxSymbolPickerDialog::ShowToolTips())
 492         itemButton26->SetToolTip(_("Closes the dialog without inserting a symbol."));
 493     itemBoxSizer24->Add(itemButton26, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 494
 495     wxButton* itemButton27 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 496     itemButton27->SetDefault();
 497     itemButton27->SetHelpText(_("Inserts the chosen symbol."));
 498     if (wxSymbolPickerDialog::ShowToolTips())
 499         itemButton27->SetToolTip(_("Inserts the chosen symbol."));
 500     itemBoxSizer24->Add(itemButton27, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 501
 502 #endif
 503
 504 ////@end wxSymbolPickerDialog content construction
 505
 506 }
 507
 508 /// Data transfer
 509 bool wxSymbolPickerDialog::TransferDataToWindow()
 510 {
 511     m_dontUpdate = true;
 512
 513     if (m_fontCtrl->GetCount() == 0)
 514     {
 515         wxArrayString faceNames = wxRichTextCtrl::GetAvailableFontNames();
 516         faceNames.Sort();
 517
 518         faceNames.Insert(_("(Normal text)"), 0);
 519         m_fontCtrl->Append(faceNames);
 520     }
 521
 522     if (m_fontName.empty())
 523         m_fontCtrl->SetSelection(0);
 524     else
 525     {
 526         if (m_fontCtrl->FindString(m_fontName) != wxNOT_FOUND)
 527             m_fontCtrl->SetStringSelection(m_fontName);
 528         else
 529             m_fontCtrl->SetSelection(0);
 530     }
 531
 532     if (!m_symbol.empty())
 533     {
 534         int sel = (int) m_symbol[0];
 535         m_symbolsCtrl->SetSelection(sel);
 536     }
 537
 538 #if defined(__UNICODE__)
 539     if (m_subsetCtrl->GetCount() == 0)
 540     {
 541         // Insert items into subset combo
 542         int i;
 543         for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
 544         {
 545             m_subsetCtrl->Append(g_UnicodeSubsetTable[i].m_name);
 546         }
 547         m_subsetCtrl->SetSelection(0);
 548     }
 549 #endif
 550
 551     UpdateSymbolDisplay();
 552
 553     m_dontUpdate = false;
 554
 555     return true;
 556 }
 557
 558 void wxSymbolPickerDialog::UpdateSymbolDisplay(bool updateSymbolList, bool showAtSubset)
 559 {
 560     wxFont font;
 561     wxString fontNameToUse;
 562     if (m_fontName.empty())
 563         fontNameToUse = m_normalTextFontName;
 564     else
 565         fontNameToUse = m_fontName;
 566
 567     if (!fontNameToUse.empty())
 568     {
 569         font = wxFont(14, wxDEFAULT, wxNORMAL, wxNORMAL, false, fontNameToUse);
 570     }
 571     else
 572         font = *wxNORMAL_FONT;
 573
 574     if (updateSymbolList)
 575     {
 576         m_symbolsCtrl->SetFont(font);
 577     }
 578
 579     if (!m_symbol.empty())
 580     {
 581         m_symbolStaticCtrl->SetFont(font);
 582         m_symbolStaticCtrl->SetLabel(m_symbol);
 583
 584         int symbol = (int) m_symbol[0];
 585         m_characterCodeCtrl->SetValue(wxString::Format(wxT("%X hex (%d dec)"), symbol, symbol));
 586     }
 587     else
 588     {
 589         m_symbolStaticCtrl->SetLabel(wxEmptyString);
 590         m_characterCodeCtrl->SetValue(wxEmptyString);
 591     }
 592
 593 #if defined(__UNICODE__)
 594     if (showAtSubset)
 595         ShowAtSubset();
 596 #else
 597     wxUnusedVar(showAtSubset);
 598 #endif
 599 }
 600
 601 /// Show at the current subset selection
 602 void wxSymbolPickerDialog::ShowAtSubset()
 603 {
 604 #if defined(__UNICODE__)
 605     if (m_fromUnicode)
 606     {
 607         int sel = m_subsetCtrl->GetSelection();
 608         int low = g_UnicodeSubsetTable[sel].m_low;
 609         m_symbolsCtrl->EnsureVisible(low);
 610     }
 611 #endif
 612 }
 613
 614 // Handle font selection
 615 void wxSymbolPickerDialog::OnFontCtrlSelected( wxCommandEvent& WXUNUSED(event) )
 616 {
 617     if (m_fontCtrl->GetSelection() == 0)
 618         m_fontName = wxEmptyString;
 619     else
 620         m_fontName = m_fontCtrl->GetStringSelection();
 621
 622     UpdateSymbolDisplay();
 623 }
 624
 625 /// Respond to symbol selection
 626 void wxSymbolPickerDialog::OnSymbolSelected( wxCommandEvent& event )
 627 {
 628     if (m_dontUpdate)
 629         return;
 630
 631     int sel = event.GetSelection();
 632     if (sel == wxNOT_FOUND)
 633         m_symbol = wxEmptyString;
 634     else
 635     {
 636         m_symbol = wxEmptyString;
 637         m_symbol << (wxChar) sel;
 638     }
 639
 640 #if defined(__UNICODE__)
 641     if (sel != -1 && m_fromUnicode)
 642     {
 643         // Need to make the subset selection reflect the current symbol
 644         int i;
 645         for (i = 0; i < (int) (sizeof(g_UnicodeSubsetTable)/sizeof(g_UnicodeSubsetTable[0])); i++)
 646         {
 647             if (sel >= g_UnicodeSubsetTable[i].m_low && sel <= g_UnicodeSubsetTable[i].m_high)
 648             {
 649                 m_dontUpdate = true;
 650                 m_subsetCtrl->SetSelection(i);
 651                 m_dontUpdate = false;
 652                 break;
 653             }
 654         }
 655     }
 656 #endif
 657
 658     UpdateSymbolDisplay(false, false);
 659 }
 660
 661 #if defined(__UNICODE__)
 662 // Handle Unicode/ASCII selection
 663 void wxSymbolPickerDialog::OnFromUnicodeSelected( wxCommandEvent& WXUNUSED(event) )
 664 {
 665     if (m_dontUpdate)
 666         return;
 667
 668     m_fromUnicode = (m_fromUnicodeCtrl->GetSelection() == 1);
 669     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 670     UpdateSymbolDisplay(false);
 671 }
 672
 673 // Handle subset selection
 674 void wxSymbolPickerDialog::OnSubsetSelected( wxCommandEvent& WXUNUSED(event) )
 675 {
 676     if (m_dontUpdate)
 677         return;
 678
 679     ShowAtSubset();
 680 }
 681 #endif
 682
 683 /*!
 684  * wxEVT_UPDATE_UI event handler for wxID_OK
 685  */
 686
 687 void wxSymbolPickerDialog::OnOkUpdate( wxUpdateUIEvent& event )
 688 {
 689     event.Enable(HasSelection());
 690 }
 691
 692 /// Set Unicode mode
 693 void wxSymbolPickerDialog::SetUnicodeMode(bool unicodeMode)
 694 {
 695 #if defined(__UNICODE__)
 696     m_dontUpdate = true;
 697     m_fromUnicode = unicodeMode;
 698     if (m_fromUnicodeCtrl)
 699         m_fromUnicodeCtrl->SetSelection(m_fromUnicode ? 1 : 0);
 700     UpdateSymbolDisplay();
 701     m_dontUpdate = false;
 702 #else
 703     wxUnusedVar(unicodeMode);
 704 #endif
 705 }
 706
 707 /// Get the selected symbol character
 708 int wxSymbolPickerDialog::GetSymbolChar() const
 709 {
 710     if (m_symbol.empty())
 711         return -1;
 712     else
 713         return (int) m_symbol[0];
 714 }
 715
 716
 717 /*!
 718  * Get bitmap resources
 719  */
 720
 721 wxBitmap wxSymbolPickerDialog::GetBitmapResource( const wxString& name )
 722 {
 723     // Bitmap retrieval
 724 ////@begin wxSymbolPickerDialog bitmap retrieval
 725     wxUnusedVar(name);
 726     return wxNullBitmap;
 727 ////@end wxSymbolPickerDialog bitmap retrieval
 728 }
 729
 730 /*!
 731  * Get icon resources
 732  */
 733
 734 wxIcon wxSymbolPickerDialog::GetIconResource( const wxString& name )
 735 {
 736     // Icon retrieval
 737 ////@begin wxSymbolPickerDialog icon retrieval
 738     wxUnusedVar(name);
 739     return wxNullIcon;
 740 ////@end wxSymbolPickerDialog icon retrieval
 741 }
 742
 743 /*!
 744  * The scrolling symbol list.
 745  */
 746
 747 // ----------------------------------------------------------------------------
 748 // event tables
 749 // ----------------------------------------------------------------------------
 750
 751 BEGIN_EVENT_TABLE(wxSymbolListCtrl, wxVScrolledWindow)
 752     EVT_PAINT(wxSymbolListCtrl::OnPaint)
 753     EVT_SIZE(wxSymbolListCtrl::OnSize)
 754
 755     EVT_KEY_DOWN(wxSymbolListCtrl::OnKeyDown)
 756     EVT_LEFT_DOWN(wxSymbolListCtrl::OnLeftDown)
 757     EVT_LEFT_DCLICK(wxSymbolListCtrl::OnLeftDClick)
 758 END_EVENT_TABLE()
 759
 760 // ============================================================================
 761 // implementation
 762 // ============================================================================
 763
 764 IMPLEMENT_ABSTRACT_CLASS(wxSymbolListCtrl, wxVScrolledWindow)
 765
 766 // ----------------------------------------------------------------------------
 767 // wxSymbolListCtrl creation
 768 // ----------------------------------------------------------------------------
 769
 770 void wxSymbolListCtrl::Init()
 771 {
 772     m_current = wxNOT_FOUND;
 773     m_doubleBuffer = NULL;
 774     m_cellSize = wxSize(40, 40);
 775     m_minSymbolValue = 0;
 776     m_maxSymbolValue = 255;
 777     m_symbolsPerLine = 0;
 778     m_unicodeMode = false;
 779 }
 780
 781 bool wxSymbolListCtrl::Create(wxWindow *parent,
 782                         wxWindowID id,
 783                         const wxPoint& pos,
 784                         const wxSize& size,
 785                         long style,
 786                         const wxString& name)
 787 {
 788     style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
 789
 790     if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
 791         style |= wxBORDER_THEME;
 792
 793     if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) )
 794         return false;
 795
 796     // make sure the native widget has the right colour since we do
 797     // transparent drawing by default
 798     SetBackgroundColour(GetBackgroundColour());
 799     m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 800
 801     // flicker-free drawing requires this
 802     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 803
 804     SetFont(*wxNORMAL_FONT);
 805
 806     SetupCtrl();
 807
 808     return true;
 809 }
 810
 811 wxSymbolListCtrl::~wxSymbolListCtrl()
 812 {
 813     delete m_doubleBuffer;
 814 }
 815
 816 // ----------------------------------------------------------------------------
 817 // selection handling
 818 // ----------------------------------------------------------------------------
 819
 820 bool wxSymbolListCtrl::IsSelected(int item) const
 821 {
 822     return item == m_current;
 823 }
 824
 825 bool wxSymbolListCtrl::DoSetCurrent(int current)
 826 {
 827     wxASSERT_MSG( current == wxNOT_FOUND ||
 828                     (current >= m_minSymbolValue && current <= m_maxSymbolValue),
 829                   _T("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
 830
 831     if ( current == m_current )
 832     {
 833         // nothing to do
 834         return false;
 835     }
 836
 837     if ( m_current != wxNOT_FOUND )
 838         RefreshRow(SymbolValueToLineNumber(m_current));
 839
 840     m_current = current;
 841
 842     if ( m_current != wxNOT_FOUND )
 843     {
 844         int lineNo = SymbolValueToLineNumber(m_current);
 845
 846         // if the line is not visible at all, we scroll it into view but we
 847         // don't need to refresh it -- it will be redrawn anyhow
 848         if ( !IsVisible(lineNo) )
 849         {
 850             ScrollToRow(lineNo);
 851         }
 852         else // line is at least partly visible
 853         {
 854             // it is, indeed, only partly visible, so scroll it into view to
 855             // make it entirely visible
 856             while ( (unsigned)lineNo + 1 == GetVisibleEnd() &&
 857                     ScrollToRow(GetVisibleBegin() + 1) )
 858                 ;
 859
 860             // but in any case refresh it as even if it was only partly visible
 861             // before we need to redraw it entirely as its background changed
 862             RefreshRow(lineNo);
 863         }
 864     }
 865
 866     return true;
 867 }
 868
 869 void wxSymbolListCtrl::SendSelectedEvent()
 870 {
 871     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
 872     event.SetEventObject(this);
 873     event.SetInt(m_current);
 874
 875     (void)GetEventHandler()->ProcessEvent(event);
 876 }
 877
 878 void wxSymbolListCtrl::SetSelection(int selection)
 879 {
 880     wxCHECK_RET( selection == wxNOT_FOUND ||
 881                   (selection >= m_minSymbolValue && selection < m_maxSymbolValue),
 882                   _T("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
 883
 884     DoSetCurrent(selection);
 885 }
 886
 887 // ----------------------------------------------------------------------------
 888 // wxSymbolListCtrl appearance parameters
 889 // ----------------------------------------------------------------------------
 890
 891 void wxSymbolListCtrl::SetMargins(const wxPoint& pt)
 892 {
 893     if ( pt != m_ptMargins )
 894     {
 895         m_ptMargins = pt;
 896
 897         Refresh();
 898     }
 899 }
 900
 901 void wxSymbolListCtrl::SetSelectionBackground(const wxColour& col)
 902 {
 903     m_colBgSel = col;
 904 }
 905
 906 // ----------------------------------------------------------------------------
 907 // wxSymbolListCtrl painting
 908 // ----------------------------------------------------------------------------
 909
 910 wxCoord wxSymbolListCtrl::OnGetRowHeight(size_t WXUNUSED(line)) const
 911 {
 912     return m_cellSize.y + 2*m_ptMargins.y + 1 /* for divider */ ;
 913 }
 914
 915 // draws a line of symbols
 916 void wxSymbolListCtrl::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 917 {
 918     wxColour oldTextColour = dc.GetTextForeground();
 919     int startSymbol = n*m_symbolsPerLine;
 920
 921     int i;
 922     for (i = 0; i < m_symbolsPerLine; i++)
 923     {
 924         bool resetColour = false;
 925         int symbol = startSymbol+i;
 926         if (symbol == m_current)
 927         {
 928             dc.SetBrush(wxBrush(m_colBgSel));
 929
 930             dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
 931             resetColour = true;
 932
 933             wxPen oldPen = dc.GetPen();
 934             dc.SetPen(*wxTRANSPARENT_PEN);
 935
 936             dc.DrawRectangle(rect.x + i*m_cellSize.x, rect.y, m_cellSize.x, rect.y+rect.height);
 937             dc.SetPen(oldPen);
 938         }
 939
 940         // Don't draw first line
 941         if (i != 0)
 942             dc.DrawLine(rect.x + i*m_cellSize.x, rect.y, i*m_cellSize.x, rect.y+rect.height);
 943
 944         if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
 945         {
 946             wxString text;
 947             text << (wxChar) symbol;
 948
 949             wxCoord w, h;
 950             dc.GetTextExtent(text, & w, & h);
 951
 952             int x = rect.x + i*m_cellSize.x + (m_cellSize.x - w)/2;
 953             int y = rect.y + (m_cellSize.y - h)/2;
 954             dc.DrawText(text, x, y);
 955         }
 956
 957         if (resetColour)
 958             dc.SetTextForeground(oldTextColour);
 959     }
 960
 961     // Draw horizontal separator line
 962     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1);
 963 }
 964
 965 void wxSymbolListCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 966 {
 967     // If size is larger, recalculate double buffer bitmap
 968     wxSize clientSize = GetClientSize();
 969
 970     if ( !m_doubleBuffer ||
 971          clientSize.x > m_doubleBuffer->GetWidth() ||
 972          clientSize.y > m_doubleBuffer->GetHeight() )
 973     {
 974         delete m_doubleBuffer;
 975         m_doubleBuffer = new wxBitmap(clientSize.x+25,clientSize.y+25);
 976     }
 977
 978     wxBufferedPaintDC dc(this,*m_doubleBuffer);
 979
 980     // the update rectangle
 981     wxRect rectUpdate = GetUpdateClientRect();
 982
 983     // fill it with background colour
 984     dc.SetBackground(GetBackgroundColour());
 985     dc.Clear();
 986
 987     // set the font to be displayed
 988     dc.SetFont(GetFont());
 989
 990     // the bounding rectangle of the current line
 991     wxRect rectRow;
 992     rectRow.width = clientSize.x;
 993
 994     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)));
 995     dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 996     dc.SetBackgroundMode(wxTRANSPARENT);
 997
 998     // iterate over all visible lines
 999     const size_t lineMax = GetVisibleEnd();
1000     for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
1001     {
1002         const wxCoord hRow = OnGetRowHeight(line);
1003
1004         rectRow.height = hRow;
1005
1006         // and draw the ones which intersect the update rect
1007         if ( rectRow.Intersects(rectUpdate) )
1008         {
1009             // don't allow drawing outside of the lines rectangle
1010             wxDCClipper clip(dc, rectRow);
1011
1012             wxRect rect = rectRow;
1013             rect.Deflate(m_ptMargins.x, m_ptMargins.y);
1014             OnDrawItem(dc, rect, line);
1015         }
1016         else // no intersection
1017         {
1018             if ( rectRow.GetTop() > rectUpdate.GetBottom() )
1019             {
1020                 // we are already below the update rect, no need to continue
1021                 // further
1022                 break;
1023             }
1024             //else: the next line may intersect the update rect
1025         }
1026
1027         rectRow.y += hRow;
1028     }
1029 }
1030
1031 // ============================================================================
1032 // wxSymbolListCtrl keyboard/mouse handling
1033 // ============================================================================
1034
1035 void wxSymbolListCtrl::DoHandleItemClick(int item, int WXUNUSED(flags))
1036 {
1037     if (m_current != item)
1038     {
1039         m_current = item;
1040         Refresh();
1041         SendSelectedEvent();
1042     }
1043 }
1044
1045 // ----------------------------------------------------------------------------
1046 // keyboard handling
1047 // ----------------------------------------------------------------------------
1048
1049 void wxSymbolListCtrl::OnKeyDown(wxKeyEvent& event)
1050 {
1051     // No keyboard interface for now
1052     event.Skip();
1053 #if 0
1054     // flags for DoHandleItemClick()
1055     int flags = ItemClick_Kbd;
1056
1057     int currentLineNow = SymbolValueToLineNumber(m_current);
1058
1059     int currentLine;
1060     switch ( event.GetKeyCode() )
1061     {
1062         case WXK_HOME:
1063             currentLine = 0;
1064             break;
1065
1066         case WXK_END:
1067             currentLine = GetLineCount() - 1;
1068             break;
1069
1070         case WXK_DOWN:
1071             if ( currentLineNow == (int)GetLineCount() - 1 )
1072                 return;
1073
1074             currentLine = currentLineNow + 1;
1075             break;
1076
1077         case WXK_UP:
1078             if ( m_current == wxNOT_FOUND )
1079                 currentLine = GetLineCount() - 1;
1080             else if ( currentLineNow != 0 )
1081                 currentLine = currentLineNow - 1;
1082             else // currentLineNow == 0
1083                 return;
1084             break;
1085
1086         case WXK_PAGEDOWN:
1087             PageDown();
1088             currentLine = GetFirstVisibleLine();
1089             break;
1090
1091         case WXK_PAGEUP:
1092             if ( currentLineNow == (int)GetFirstVisibleLine() )
1093             {
1094                 PageUp();
1095             }
1096
1097             currentLine = GetFirstVisibleLine();
1098             break;
1099
1100         case WXK_SPACE:
1101             // hack: pressing space should work like a mouse click rather than
1102             // like a keyboard arrow press, so trick DoHandleItemClick() in
1103             // thinking we were clicked
1104             flags &= ~ItemClick_Kbd;
1105             currentLine = currentLineNow;
1106             break;
1107
1108 #ifdef __WXMSW__
1109         case WXK_TAB:
1110             // Since we are using wxWANTS_CHARS we need to send navigation
1111             // events for the tabs on MSW
1112             {
1113                 wxNavigationKeyEvent ne;
1114                 ne.SetDirection(!event.ShiftDown());
1115                 ne.SetCurrentFocus(this);
1116                 ne.SetEventObject(this);
1117                 GetParent()->GetEventHandler()->ProcessEvent(ne);
1118             }
1119             // fall through to default
1120 #endif
1121         default:
1122             event.Skip();
1123             currentLine = 0; // just to silent the stupid compiler warnings
1124             wxUnusedVar(currentNow);
1125             return;
1126     }
1127
1128 #if 0
1129     if ( event.ShiftDown() )
1130        flags |= ItemClick_Shift;
1131     if ( event.ControlDown() )
1132         flags |= ItemClick_Ctrl;
1133
1134     DoHandleItemClick(current, flags);
1135 #endif
1136 #endif
1137 }
1138
1139 // ----------------------------------------------------------------------------
1140 // wxSymbolListCtrl mouse handling
1141 // ----------------------------------------------------------------------------
1142
1143 void wxSymbolListCtrl::OnLeftDown(wxMouseEvent& event)
1144 {
1145     SetFocus();
1146
1147     int item = HitTest(event.GetPosition());
1148
1149     if ( item != wxNOT_FOUND )
1150     {
1151         int flags = 0;
1152         if ( event.ShiftDown() )
1153            flags |= ItemClick_Shift;
1154
1155         // under Mac Apple-click is used in the same way as Ctrl-click
1156         // elsewhere
1157 #ifdef __WXMAC__
1158         if ( event.MetaDown() )
1159 #else
1160         if ( event.ControlDown() )
1161 #endif
1162             flags |= ItemClick_Ctrl;
1163
1164         DoHandleItemClick(item, flags);
1165     }
1166 }
1167
1168 void wxSymbolListCtrl::OnLeftDClick(wxMouseEvent& eventMouse)
1169 {
1170     int item = HitTest(eventMouse.GetPosition());
1171     if ( item != wxNOT_FOUND )
1172     {
1173
1174         // if item double-clicked was not yet selected, then treat
1175         // this event as a left-click instead
1176         if ( item == m_current )
1177         {
1178             wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
1179             event.SetEventObject(this);
1180             event.SetInt(item);
1181
1182             (void)GetEventHandler()->ProcessEvent(event);
1183         }
1184         else
1185         {
1186             OnLeftDown(eventMouse);
1187         }
1188
1189     }
1190 }
1191
1192 // calculate line number from symbol value
1193 int wxSymbolListCtrl::SymbolValueToLineNumber(int item)
1194 {
1195     return (int) (item/m_symbolsPerLine);
1196 }
1197
1198 // initialise control from current min/max values
1199 void wxSymbolListCtrl::SetupCtrl(bool scrollToSelection)
1200 {
1201     wxSize sz = GetClientSize();
1202
1203     m_symbolsPerLine = sz.x/(m_cellSize.x+m_ptMargins.x);
1204     int noLines = (1 + SymbolValueToLineNumber(m_maxSymbolValue));
1205
1206     SetRowCount(noLines);
1207     Refresh();
1208
1209     if (scrollToSelection && m_current != wxNOT_FOUND && m_current >= m_minSymbolValue && m_current <= m_maxSymbolValue)
1210     {
1211         ScrollToRow(SymbolValueToLineNumber(m_current));
1212     }
1213 }
1214
1215 // make this item visible
1216 void wxSymbolListCtrl::EnsureVisible(int item)
1217 {
1218     if (item != wxNOT_FOUND && item >= m_minSymbolValue && item <= m_maxSymbolValue)
1219     {
1220         ScrollToRow(SymbolValueToLineNumber(item));
1221     }
1222 }
1223
1224
1225 // hit testing
1226 int wxSymbolListCtrl::HitTest(const wxPoint& pt)
1227 {
1228     wxCoord lineHeight = OnGetRowHeight(0);
1229
1230     int atLine = GetVisibleBegin() + (pt.y/lineHeight);
1231     int symbol = (atLine*m_symbolsPerLine) + (pt.x/(m_cellSize.x+1));
1232
1233     if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
1234         return symbol;
1235
1236     return -1;
1237 }
1238
1239 // Respond to size change
1240 void wxSymbolListCtrl::OnSize(wxSizeEvent& event)
1241 {
1242     SetupCtrl();
1243     event.Skip();
1244 }
1245
1246 // set the current font
1247 bool wxSymbolListCtrl::SetFont(const wxFont& font)
1248 {
1249     wxVScrolledWindow::SetFont(font);
1250
1251     SetupCtrl();
1252
1253     return true;
1254 }
1255
1256 // set Unicode/ASCII mode
1257 void wxSymbolListCtrl::SetUnicodeMode(bool unicodeMode)
1258 {
1259     bool changed = false;
1260     if (unicodeMode && !m_unicodeMode)
1261     {
1262         changed = true;
1263
1264         m_minSymbolValue = 0;
1265         m_maxSymbolValue = 65535;
1266     }
1267     else if (!unicodeMode && m_unicodeMode)
1268     {
1269         changed = true;
1270         m_minSymbolValue = 0;
1271         m_maxSymbolValue = 255;
1272     }
1273     m_unicodeMode = unicodeMode;
1274
1275     if (changed)
1276         SetupCtrl();
1277 }
1278
1279 // ----------------------------------------------------------------------------
1280 // use the same default attributes as wxListBox
1281 // ----------------------------------------------------------------------------
1282
1283 //static
1284 wxVisualAttributes
1285 wxSymbolListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
1286 {
1287     return wxListBox::GetClassDefaultAttributes(variant);
1288 }
1289
1290 #endif // wxUSE_RICHTEXT