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     EVT_UPDATE_UI( ID_SYMBOLPICKERDIALOG_SUBSET, wxSymbolPickerDialog::OnSymbolpickerdialogSubsetUpdate )
 300 #endif
 301
 302 #if defined(__UNICODE__)
 303     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_FROM, wxSymbolPickerDialog::OnFromUnicodeSelected )
 304 #endif
 305
 306     EVT_UPDATE_UI( wxID_OK, wxSymbolPickerDialog::OnOkUpdate )
 307
 308 ////@end wxSymbolPickerDialog event table entries
 309
 310 END_EVENT_TABLE()
 311
 312 IMPLEMENT_HELP_PROVISION(wxSymbolPickerDialog)
 313
 314 /*!
 315  * wxSymbolPickerDialog constructors
 316  */
 317
 318 wxSymbolPickerDialog::wxSymbolPickerDialog( )
 319 {
 320     Init();
 321 }
 322
 323 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 )
 324 {
 325     Init();
 326     Create(symbol, fontName, normalTextFont, parent, id, caption, pos, size, style);
 327 }
 328
 329 /*!
 330  * wxSymbolPickerDialog creator
 331  */
 332
 333 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 )
 334 {
 335     m_fontName = fontName;
 336     m_normalTextFontName = normalTextFont;
 337     m_symbol = symbol;
 338
 339 ////@begin wxSymbolPickerDialog creation
 340     SetExtraStyle(wxWS_EX_BLOCK_EVENTS|wxDIALOG_EX_CONTEXTHELP);
 341     wxDialog::Create( parent, id, caption, pos, size, style );
 342
 343     CreateControls();
 344     if (GetSizer())
 345     {
 346         GetSizer()->SetSizeHints(this);
 347     }
 348     Centre();
 349 ////@end wxSymbolPickerDialog creation
 350     return true;
 351 }
 352
 353 /*!
 354  * Member initialisation for wxSymbolPickerDialog
 355  */
 356
 357 void wxSymbolPickerDialog::Init()
 358 {
 359 ////@begin wxSymbolPickerDialog member initialisation
 360     m_fromUnicode = true;
 361     m_fontCtrl = NULL;
 362 #if defined(__UNICODE__)
 363     m_subsetCtrl = NULL;
 364 #endif
 365     m_symbolsCtrl = NULL;
 366     m_symbolStaticCtrl = NULL;
 367     m_characterCodeCtrl = NULL;
 368 #if defined(__UNICODE__)
 369     m_fromUnicodeCtrl = NULL;
 370 #endif
 371     m_stdButtonSizer = NULL;
 372 ////@end wxSymbolPickerDialog member initialisation
 373     m_dontUpdate = false;
 374 }
 375
 376 /*!
 377  * Control creation for wxSymbolPickerDialog
 378  */
 379
 380 void wxSymbolPickerDialog::CreateControls()
 381 {
 382 ////@begin wxSymbolPickerDialog content construction
 383     wxSymbolPickerDialog* itemDialog1 = this;
 384
 385     wxBoxSizer* itemBoxSizer2 = new wxBoxSizer(wxVERTICAL);
 386     itemDialog1->SetSizer(itemBoxSizer2);
 387
 388     wxBoxSizer* itemBoxSizer3 = new wxBoxSizer(wxVERTICAL);
 389     itemBoxSizer2->Add(itemBoxSizer3, 1, wxGROW|wxALL, 5);
 390
 391     wxBoxSizer* itemBoxSizer4 = new wxBoxSizer(wxHORIZONTAL);
 392     itemBoxSizer3->Add(itemBoxSizer4, 0, wxGROW, 5);
 393
 394     wxBoxSizer* itemBoxSizer5 = new wxBoxSizer(wxHORIZONTAL);
 395     itemBoxSizer4->Add(itemBoxSizer5, 1, wxGROW, 5);
 396
 397     wxStaticText* itemStaticText6 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Font:"), wxDefaultPosition, wxDefaultSize, 0 );
 398     itemBoxSizer5->Add(itemStaticText6, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 399
 400     wxArrayString m_fontCtrlStrings;
 401     m_fontCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FONT, wxEmptyString, wxDefaultPosition, wxSize(240, -1), m_fontCtrlStrings, wxCB_READONLY );
 402     m_fontCtrl->SetHelpText(_("The font from which to take the symbol."));
 403     if (wxSymbolPickerDialog::ShowToolTips())
 404         m_fontCtrl->SetToolTip(_("The font from which to take the symbol."));
 405     itemBoxSizer5->Add(m_fontCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 406
 407     itemBoxSizer5->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 408
 409 #if defined(__UNICODE__)
 410     wxStaticText* itemStaticText9 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Subset:"), wxDefaultPosition, wxDefaultSize, 0 );
 411     itemBoxSizer5->Add(itemStaticText9, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 412
 413 #endif
 414
 415 #if defined(__UNICODE__)
 416     wxArrayString m_subsetCtrlStrings;
 417     m_subsetCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_SUBSET, wxEmptyString, wxDefaultPosition, wxDefaultSize, m_subsetCtrlStrings, wxCB_READONLY );
 418     m_subsetCtrl->SetHelpText(_("Shows a Unicode subset."));
 419     if (wxSymbolPickerDialog::ShowToolTips())
 420         m_subsetCtrl->SetToolTip(_("Shows a Unicode subset."));
 421     itemBoxSizer5->Add(m_subsetCtrl, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 422
 423 #endif
 424
 425     m_symbolsCtrl = new wxSymbolListCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_LISTCTRL, wxDefaultPosition, wxSize(500, 200), 0 );
 426     itemBoxSizer3->Add(m_symbolsCtrl, 1, wxGROW|wxALL, 5);
 427
 428     wxBoxSizer* itemBoxSizer12 = new wxBoxSizer(wxHORIZONTAL);
 429     itemBoxSizer3->Add(itemBoxSizer12, 0, wxGROW, 5);
 430
 431     m_symbolStaticCtrl = new wxStaticText( itemDialog1, wxID_STATIC, _("xxxx"), wxDefaultPosition, wxSize(40, -1), wxALIGN_CENTRE );
 432     itemBoxSizer12->Add(m_symbolStaticCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 433
 434     itemBoxSizer12->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 435
 436     wxStaticText* itemStaticText15 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Character code:"), wxDefaultPosition, wxDefaultSize, 0 );
 437     itemBoxSizer12->Add(itemStaticText15, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 438
 439     m_characterCodeCtrl = new wxTextCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_CHARACTERCODE, wxEmptyString, wxDefaultPosition, wxSize(140, -1), wxTE_READONLY|wxTE_CENTRE );
 440     m_characterCodeCtrl->SetHelpText(_("The character code."));
 441     if (wxSymbolPickerDialog::ShowToolTips())
 442         m_characterCodeCtrl->SetToolTip(_("The character code."));
 443     itemBoxSizer12->Add(m_characterCodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 444
 445     itemBoxSizer12->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 446
 447 #if defined(__UNICODE__)
 448     wxStaticText* itemStaticText18 = new wxStaticText( itemDialog1, wxID_STATIC, _("&From:"), wxDefaultPosition, wxDefaultSize, 0 );
 449     itemBoxSizer12->Add(itemStaticText18, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 450
 451 #endif
 452
 453 #if defined(__UNICODE__)
 454     wxArrayString m_fromUnicodeCtrlStrings;
 455     m_fromUnicodeCtrlStrings.Add(_("ASCII"));
 456     m_fromUnicodeCtrlStrings.Add(_("Unicode"));
 457     m_fromUnicodeCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FROM, _("Unicode"), wxDefaultPosition, wxDefaultSize, m_fromUnicodeCtrlStrings, wxCB_READONLY );
 458     m_fromUnicodeCtrl->SetStringSelection(_("Unicode"));
 459     m_fromUnicodeCtrl->SetHelpText(_("The range to show."));
 460     if (wxSymbolPickerDialog::ShowToolTips())
 461         m_fromUnicodeCtrl->SetToolTip(_("The range to show."));
 462     itemBoxSizer12->Add(m_fromUnicodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 463
 464 #endif
 465
 466     m_stdButtonSizer = new wxStdDialogButtonSizer;
 467
 468     itemBoxSizer3->Add(m_stdButtonSizer, 0, wxGROW|wxTOP|wxBOTTOM, 5);
 469     wxButton* itemButton21 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 470     itemButton21->SetDefault();
 471     m_stdButtonSizer->AddButton(itemButton21);
 472
 473     wxButton* itemButton22 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 474     m_stdButtonSizer->AddButton(itemButton22);
 475
 476     wxButton* itemButton23 = new wxButton( itemDialog1, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, 0 );
 477     m_stdButtonSizer->AddButton(itemButton23);
 478
 479     m_stdButtonSizer->Realize();
 480
 481 ////@end wxSymbolPickerDialog content construction
 482
 483     if (GetHelpId() == -1)
 484     {
 485         wxWindow* button = FindWindowById(wxID_HELP);
 486         if (button)
 487             m_stdButtonSizer->Show(button, false);
 488     }
 489 }
 490
 491 /// Data transfer
 492 bool wxSymbolPickerDialog::TransferDataToWindow()
 493 {
 494     m_dontUpdate = true;
 495
 496     if (m_fontCtrl->GetCount() == 0)
 497     {
 498         wxArrayString faceNames = wxRichTextCtrl::GetAvailableFontNames();
 499         faceNames.Sort();
 500
 501         faceNames.Insert(_("(Normal text)"), 0);
 502         m_fontCtrl->Append(faceNames);
 503     }
 504
 505     if (m_fontName.empty())
 506         m_fontCtrl->SetSelection(0);
 507     else
 508     {
 509         if (m_fontCtrl->FindString(m_fontName) != wxNOT_FOUND)
 510             m_fontCtrl->SetStringSelection(m_fontName);
 511         else
 512             m_fontCtrl->SetSelection(0);
 513     }
 514
 515 #if defined(__UNICODE__)
 516     if (m_subsetCtrl->GetCount() == 0)
 517     {
 518         // Insert items into subset combo
 519         int i;
 520         for (i = 0; i < (int) WXSIZEOF(g_UnicodeSubsetTable); i++)
 521         {
 522             m_subsetCtrl->Append(g_UnicodeSubsetTable[i].m_name);
 523         }
 524         m_subsetCtrl->SetSelection(0);
 525     }
 526 #endif
 527
 528 #if defined(__UNICODE__)
 529     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 530 #endif
 531
 532     if (!m_symbol.empty())
 533     {
 534         int sel = (int) m_symbol[0];
 535         m_symbolsCtrl->SetSelection(sel);
 536     }
 537
 538     UpdateSymbolDisplay();
 539
 540     m_dontUpdate = false;
 541
 542     return true;
 543 }
 544
 545 void wxSymbolPickerDialog::UpdateSymbolDisplay(bool updateSymbolList, bool showAtSubset)
 546 {
 547     wxFont font;
 548     wxString fontNameToUse;
 549     if (m_fontName.empty())
 550         fontNameToUse = m_normalTextFontName;
 551     else
 552         fontNameToUse = m_fontName;
 553
 554     if (!fontNameToUse.empty())
 555     {
 556         font = wxFont(14, wxDEFAULT, wxNORMAL, wxNORMAL, false, fontNameToUse);
 557     }
 558     else
 559         font = *wxNORMAL_FONT;
 560
 561     if (updateSymbolList)
 562     {
 563         m_symbolsCtrl->SetFont(font);
 564     }
 565
 566     if (!m_symbol.empty())
 567     {
 568         m_symbolStaticCtrl->SetFont(font);
 569         m_symbolStaticCtrl->SetLabel(m_symbol);
 570
 571         int symbol = (int) m_symbol[0];
 572         m_characterCodeCtrl->SetValue(wxString::Format(wxT("%X hex (%d dec)"), symbol, symbol));
 573     }
 574     else
 575     {
 576         m_symbolStaticCtrl->SetLabel(wxEmptyString);
 577         m_characterCodeCtrl->SetValue(wxEmptyString);
 578     }
 579
 580 #if defined(__UNICODE__)
 581     if (showAtSubset)
 582         ShowAtSubset();
 583 #else
 584     wxUnusedVar(showAtSubset);
 585 #endif
 586 }
 587
 588 /// Show at the current subset selection
 589 void wxSymbolPickerDialog::ShowAtSubset()
 590 {
 591 #if defined(__UNICODE__)
 592     if (m_fromUnicode)
 593     {
 594         int sel = m_subsetCtrl->GetSelection();
 595         int low = g_UnicodeSubsetTable[sel].m_low;
 596         m_symbolsCtrl->EnsureVisible(low);
 597     }
 598 #endif
 599 }
 600
 601 // Handle font selection
 602 void wxSymbolPickerDialog::OnFontCtrlSelected( wxCommandEvent& WXUNUSED(event) )
 603 {
 604     if (m_fontCtrl->GetSelection() == 0)
 605         m_fontName = wxEmptyString;
 606     else
 607         m_fontName = m_fontCtrl->GetStringSelection();
 608
 609     UpdateSymbolDisplay();
 610 }
 611
 612 /// Respond to symbol selection
 613 void wxSymbolPickerDialog::OnSymbolSelected( wxCommandEvent& event )
 614 {
 615     if (m_dontUpdate)
 616         return;
 617
 618     int sel = event.GetSelection();
 619     if (sel == wxNOT_FOUND)
 620         m_symbol = wxEmptyString;
 621     else
 622     {
 623         m_symbol = wxEmptyString;
 624         m_symbol << (wxChar) sel;
 625     }
 626
 627 #if defined(__UNICODE__)
 628     if (sel != -1 && m_fromUnicode)
 629     {
 630         // Need to make the subset selection reflect the current symbol
 631         int i;
 632         for (i = 0; i < (int) WXSIZEOF(g_UnicodeSubsetTable); i++)
 633         {
 634             if (sel >= g_UnicodeSubsetTable[i].m_low && sel <= g_UnicodeSubsetTable[i].m_high)
 635             {
 636                 m_dontUpdate = true;
 637                 m_subsetCtrl->SetSelection(i);
 638                 m_dontUpdate = false;
 639                 break;
 640             }
 641         }
 642     }
 643 #endif
 644
 645     UpdateSymbolDisplay(false, false);
 646 }
 647
 648 #if defined(__UNICODE__)
 649 // Handle Unicode/ASCII selection
 650 void wxSymbolPickerDialog::OnFromUnicodeSelected( wxCommandEvent& WXUNUSED(event) )
 651 {
 652     if (m_dontUpdate)
 653         return;
 654
 655     m_fromUnicode = (m_fromUnicodeCtrl->GetSelection() == 1);
 656     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 657     UpdateSymbolDisplay(false);
 658 }
 659
 660 // Handle subset selection
 661 void wxSymbolPickerDialog::OnSubsetSelected( wxCommandEvent& WXUNUSED(event) )
 662 {
 663     if (m_dontUpdate)
 664         return;
 665
 666     ShowAtSubset();
 667 }
 668 #endif
 669
 670 #if defined(__UNICODE__)
 671
 672 /*!
 673  * wxEVT_UPDATE_UI event handler for ID_SYMBOLPICKERDIALOG_SUBSET
 674  */
 675
 676 void wxSymbolPickerDialog::OnSymbolpickerdialogSubsetUpdate( wxUpdateUIEvent& event )
 677 {
 678     event.Enable(m_fromUnicode);
 679 }
 680 #endif
 681
 682 /*!
 683  * wxEVT_UPDATE_UI event handler for wxID_OK
 684  */
 685
 686 void wxSymbolPickerDialog::OnOkUpdate( wxUpdateUIEvent& event )
 687 {
 688     event.Enable(HasSelection());
 689 }
 690
 691 /// Set Unicode mode
 692 void wxSymbolPickerDialog::SetUnicodeMode(bool unicodeMode)
 693 {
 694 #if defined(__UNICODE__)
 695     m_dontUpdate = true;
 696     m_fromUnicode = unicodeMode;
 697     if (m_fromUnicodeCtrl)
 698         m_fromUnicodeCtrl->SetSelection(m_fromUnicode ? 1 : 0);
 699     UpdateSymbolDisplay();
 700     m_dontUpdate = false;
 701 #else
 702     wxUnusedVar(unicodeMode);
 703 #endif
 704 }
 705
 706 /// Get the selected symbol character
 707 int wxSymbolPickerDialog::GetSymbolChar() const
 708 {
 709     if (m_symbol.empty())
 710         return -1;
 711     else
 712         return (int) m_symbol[0];
 713 }
 714
 715
 716 /*!
 717  * Get bitmap resources
 718  */
 719
 720 wxBitmap wxSymbolPickerDialog::GetBitmapResource( const wxString& name )
 721 {
 722     // Bitmap retrieval
 723 ////@begin wxSymbolPickerDialog bitmap retrieval
 724     wxUnusedVar(name);
 725     return wxNullBitmap;
 726 ////@end wxSymbolPickerDialog bitmap retrieval
 727 }
 728
 729 /*!
 730  * Get icon resources
 731  */
 732
 733 wxIcon wxSymbolPickerDialog::GetIconResource( const wxString& name )
 734 {
 735     // Icon retrieval
 736 ////@begin wxSymbolPickerDialog icon retrieval
 737     wxUnusedVar(name);
 738     return wxNullIcon;
 739 ////@end wxSymbolPickerDialog icon retrieval
 740 }
 741
 742 /*!
 743  * The scrolling symbol list.
 744  */
 745
 746 // ----------------------------------------------------------------------------
 747 // event tables
 748 // ----------------------------------------------------------------------------
 749
 750 BEGIN_EVENT_TABLE(wxSymbolListCtrl, wxVScrolledWindow)
 751     EVT_PAINT(wxSymbolListCtrl::OnPaint)
 752     EVT_SIZE(wxSymbolListCtrl::OnSize)
 753
 754     EVT_KEY_DOWN(wxSymbolListCtrl::OnKeyDown)
 755     EVT_LEFT_DOWN(wxSymbolListCtrl::OnLeftDown)
 756     EVT_LEFT_DCLICK(wxSymbolListCtrl::OnLeftDClick)
 757 END_EVENT_TABLE()
 758
 759 // ============================================================================
 760 // implementation
 761 // ============================================================================
 762
 763 IMPLEMENT_ABSTRACT_CLASS(wxSymbolListCtrl, wxVScrolledWindow)
 764
 765 // ----------------------------------------------------------------------------
 766 // wxSymbolListCtrl creation
 767 // ----------------------------------------------------------------------------
 768
 769 void wxSymbolListCtrl::Init()
 770 {
 771     m_current = wxNOT_FOUND;
 772     m_doubleBuffer = NULL;
 773     m_cellSize = wxSize(40, 40);
 774     m_minSymbolValue = 0;
 775     m_maxSymbolValue = 255;
 776     m_symbolsPerLine = 0;
 777     m_unicodeMode = false;
 778 }
 779
 780 bool wxSymbolListCtrl::Create(wxWindow *parent,
 781                         wxWindowID id,
 782                         const wxPoint& pos,
 783                         const wxSize& size,
 784                         long style,
 785                         const wxString& name)
 786 {
 787     style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
 788
 789     if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
 790         style |= wxBORDER_THEME;
 791
 792     if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) )
 793         return false;
 794
 795     // make sure the native widget has the right colour since we do
 796     // transparent drawing by default
 797     SetBackgroundColour(GetBackgroundColour());
 798     m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 799
 800     // flicker-free drawing requires this
 801     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 802
 803     SetFont(*wxNORMAL_FONT);
 804
 805     SetupCtrl();
 806
 807     SetInitialSize(size);
 808
 809     return true;
 810 }
 811
 812 wxSymbolListCtrl::~wxSymbolListCtrl()
 813 {
 814     delete m_doubleBuffer;
 815 }
 816
 817 // ----------------------------------------------------------------------------
 818 // selection handling
 819 // ----------------------------------------------------------------------------
 820
 821 bool wxSymbolListCtrl::IsSelected(int item) const
 822 {
 823     return item == m_current;
 824 }
 825
 826 bool wxSymbolListCtrl::DoSetCurrent(int current)
 827 {
 828     wxASSERT_MSG( current == wxNOT_FOUND ||
 829                     (current >= m_minSymbolValue && current <= m_maxSymbolValue),
 830                   wxT("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
 831
 832     if ( current == m_current )
 833     {
 834         // nothing to do
 835         return false;
 836     }
 837
 838     if ( m_current != wxNOT_FOUND )
 839         RefreshRow(SymbolValueToLineNumber(m_current));
 840
 841     m_current = current;
 842
 843     if ( m_current != wxNOT_FOUND )
 844     {
 845         int lineNo = SymbolValueToLineNumber(m_current);
 846
 847         // if the line is not visible at all, we scroll it into view but we
 848         // don't need to refresh it -- it will be redrawn anyhow
 849         if ( !IsVisible(lineNo) )
 850         {
 851             ScrollToRow(lineNo);
 852         }
 853         else // line is at least partly visible
 854         {
 855             // it is, indeed, only partly visible, so scroll it into view to
 856             // make it entirely visible
 857             while ( (unsigned)lineNo + 1 == GetVisibleEnd() &&
 858                     ScrollToRow(GetVisibleBegin() + 1) )
 859                 ;
 860
 861             // but in any case refresh it as even if it was only partly visible
 862             // before we need to redraw it entirely as its background changed
 863             RefreshRow(lineNo);
 864         }
 865     }
 866
 867     return true;
 868 }
 869
 870 void wxSymbolListCtrl::SendSelectedEvent()
 871 {
 872     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
 873     event.SetEventObject(this);
 874     event.SetInt(m_current);
 875
 876     (void)GetEventHandler()->ProcessEvent(event);
 877 }
 878
 879 void wxSymbolListCtrl::SetSelection(int selection)
 880 {
 881     wxCHECK_RET( selection == wxNOT_FOUND ||
 882                   (selection >= m_minSymbolValue && selection < m_maxSymbolValue),
 883                   wxT("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
 884
 885     DoSetCurrent(selection);
 886 }
 887
 888 // ----------------------------------------------------------------------------
 889 // wxSymbolListCtrl appearance parameters
 890 // ----------------------------------------------------------------------------
 891
 892 void wxSymbolListCtrl::SetMargins(const wxPoint& pt)
 893 {
 894     if ( pt != m_ptMargins )
 895     {
 896         m_ptMargins = pt;
 897
 898         Refresh();
 899     }
 900 }
 901
 902 void wxSymbolListCtrl::SetSelectionBackground(const wxColour& col)
 903 {
 904     m_colBgSel = col;
 905 }
 906
 907 // ----------------------------------------------------------------------------
 908 // wxSymbolListCtrl painting
 909 // ----------------------------------------------------------------------------
 910
 911 wxCoord wxSymbolListCtrl::OnGetRowHeight(size_t WXUNUSED(line)) const
 912 {
 913     return m_cellSize.y + 2*m_ptMargins.y + 1 /* for divider */ ;
 914 }
 915
 916 // draws a line of symbols
 917 void wxSymbolListCtrl::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 918 {
 919     wxColour oldTextColour = dc.GetTextForeground();
 920     int startSymbol = n*m_symbolsPerLine;
 921
 922     int i;
 923     for (i = 0; i < m_symbolsPerLine; i++)
 924     {
 925         bool resetColour = false;
 926         int symbol = startSymbol+i;
 927         if (symbol == m_current)
 928         {
 929             dc.SetBrush(wxBrush(m_colBgSel));
 930
 931             dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
 932             resetColour = true;
 933
 934             wxPen oldPen = dc.GetPen();
 935             dc.SetPen(*wxTRANSPARENT_PEN);
 936
 937             dc.DrawRectangle(rect.x + i*m_cellSize.x, rect.y, m_cellSize.x, rect.y+rect.height);
 938             dc.SetPen(oldPen);
 939         }
 940
 941         // Don't draw first line
 942         if (i != 0)
 943             dc.DrawLine(rect.x + i*m_cellSize.x, rect.y, i*m_cellSize.x, rect.y+rect.height);
 944
 945         if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
 946         {
 947             wxString text;
 948             text << (wxChar) symbol;
 949
 950             wxCoord w, h;
 951             dc.GetTextExtent(text, & w, & h);
 952
 953             int x = rect.x + i*m_cellSize.x + (m_cellSize.x - w)/2;
 954             int y = rect.y + (m_cellSize.y - h)/2;
 955             dc.DrawText(text, x, y);
 956         }
 957
 958         if (resetColour)
 959             dc.SetTextForeground(oldTextColour);
 960     }
 961
 962     // Draw horizontal separator line
 963     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1);
 964 }
 965
 966 void wxSymbolListCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 967 {
 968     // If size is larger, recalculate double buffer bitmap
 969     wxSize clientSize = GetClientSize();
 970
 971     if ( !m_doubleBuffer ||
 972          clientSize.x > m_doubleBuffer->GetWidth() ||
 973          clientSize.y > m_doubleBuffer->GetHeight() )
 974     {
 975         delete m_doubleBuffer;
 976         m_doubleBuffer = new wxBitmap(clientSize.x+25,clientSize.y+25);
 977     }
 978
 979     wxBufferedPaintDC dc(this,*m_doubleBuffer);
 980
 981     // the update rectangle
 982     wxRect rectUpdate = GetUpdateClientRect();
 983
 984     // fill it with background colour
 985     dc.SetBackground(GetBackgroundColour());
 986     dc.Clear();
 987
 988     // set the font to be displayed
 989     dc.SetFont(GetFont());
 990
 991     // the bounding rectangle of the current line
 992     wxRect rectRow;
 993     rectRow.width = clientSize.x;
 994
 995     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)));
 996     dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 997     dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 998
 999     // iterate over all visible lines
1000     const size_t lineMax = GetVisibleEnd();
1001     for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
1002     {
1003         const wxCoord hRow = OnGetRowHeight(line);
1004
1005         rectRow.height = hRow;
1006
1007         // and draw the ones which intersect the update rect
1008         if ( rectRow.Intersects(rectUpdate) )
1009         {
1010             // don't allow drawing outside of the lines rectangle
1011             wxDCClipper clip(dc, rectRow);
1012
1013             wxRect rect = rectRow;
1014             rect.Deflate(m_ptMargins.x, m_ptMargins.y);
1015             OnDrawItem(dc, rect, line);
1016         }
1017         else // no intersection
1018         {
1019             if ( rectRow.GetTop() > rectUpdate.GetBottom() )
1020             {
1021                 // we are already below the update rect, no need to continue
1022                 // further
1023                 break;
1024             }
1025             //else: the next line may intersect the update rect
1026         }
1027
1028         rectRow.y += hRow;
1029     }
1030 }
1031
1032 // ============================================================================
1033 // wxSymbolListCtrl keyboard/mouse handling
1034 // ============================================================================
1035
1036 void wxSymbolListCtrl::DoHandleItemClick(int item, int WXUNUSED(flags))
1037 {
1038     if (m_current != item)
1039     {
1040         m_current = item;
1041         Refresh();
1042         SendSelectedEvent();
1043     }
1044 }
1045
1046 // ----------------------------------------------------------------------------
1047 // keyboard handling
1048 // ----------------------------------------------------------------------------
1049
1050 void wxSymbolListCtrl::OnKeyDown(wxKeyEvent& event)
1051 {
1052     // No keyboard interface for now
1053     event.Skip();
1054 #if 0
1055     // flags for DoHandleItemClick()
1056     int flags = ItemClick_Kbd;
1057
1058     int currentLineNow = SymbolValueToLineNumber(m_current);
1059
1060     int currentLine;
1061     switch ( event.GetKeyCode() )
1062     {
1063         case WXK_HOME:
1064             currentLine = 0;
1065             break;
1066
1067         case WXK_END:
1068             currentLine = GetLineCount() - 1;
1069             break;
1070
1071         case WXK_DOWN:
1072             if ( currentLineNow == (int)GetLineCount() - 1 )
1073                 return;
1074
1075             currentLine = currentLineNow + 1;
1076             break;
1077
1078         case WXK_UP:
1079             if ( m_current == wxNOT_FOUND )
1080                 currentLine = GetLineCount() - 1;
1081             else if ( currentLineNow != 0 )
1082                 currentLine = currentLineNow - 1;
1083             else // currentLineNow == 0
1084                 return;
1085             break;
1086
1087         case WXK_PAGEDOWN:
1088             PageDown();
1089             currentLine = GetFirstVisibleLine();
1090             break;
1091
1092         case WXK_PAGEUP:
1093             if ( currentLineNow == (int)GetFirstVisibleLine() )
1094             {
1095                 PageUp();
1096             }
1097
1098             currentLine = GetFirstVisibleLine();
1099             break;
1100
1101         case WXK_SPACE:
1102             // hack: pressing space should work like a mouse click rather than
1103             // like a keyboard arrow press, so trick DoHandleItemClick() in
1104             // thinking we were clicked
1105             flags &= ~ItemClick_Kbd;
1106             currentLine = currentLineNow;
1107             break;
1108
1109 #ifdef __WXMSW__
1110         case WXK_TAB:
1111             // Since we are using wxWANTS_CHARS we need to send navigation
1112             // events for the tabs on MSW
1113             {
1114                 wxNavigationKeyEvent ne;
1115                 ne.SetDirection(!event.ShiftDown());
1116                 ne.SetCurrentFocus(this);
1117                 ne.SetEventObject(this);
1118                 GetParent()->GetEventHandler()->ProcessEvent(ne);
1119             }
1120             // fall through to default
1121 #endif
1122         default:
1123             event.Skip();
1124             currentLine = 0; // just to silent the stupid compiler warnings
1125             wxUnusedVar(currentNow);
1126             return;
1127     }
1128
1129 #if 0
1130     if ( event.ShiftDown() )
1131        flags |= ItemClick_Shift;
1132     if ( event.ControlDown() )
1133         flags |= ItemClick_Ctrl;
1134
1135     DoHandleItemClick(current, flags);
1136 #endif
1137 #endif
1138 }
1139
1140 // ----------------------------------------------------------------------------
1141 // wxSymbolListCtrl mouse handling
1142 // ----------------------------------------------------------------------------
1143
1144 void wxSymbolListCtrl::OnLeftDown(wxMouseEvent& event)
1145 {
1146     SetFocus();
1147
1148     int item = HitTest(event.GetPosition());
1149
1150     if ( item != wxNOT_FOUND )
1151     {
1152         int flags = 0;
1153         if ( event.ShiftDown() )
1154            flags |= ItemClick_Shift;
1155
1156         // under Mac Apple-click is used in the same way as Ctrl-click
1157         // elsewhere
1158 #ifdef __WXMAC__
1159         if ( event.MetaDown() )
1160 #else
1161         if ( event.ControlDown() )
1162 #endif
1163             flags |= ItemClick_Ctrl;
1164
1165         DoHandleItemClick(item, flags);
1166     }
1167 }
1168
1169 void wxSymbolListCtrl::OnLeftDClick(wxMouseEvent& eventMouse)
1170 {
1171     int item = HitTest(eventMouse.GetPosition());
1172     if ( item != wxNOT_FOUND )
1173     {
1174
1175         // if item double-clicked was not yet selected, then treat
1176         // this event as a left-click instead
1177         if ( item == m_current )
1178         {
1179             wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
1180             event.SetEventObject(this);
1181             event.SetInt(item);
1182
1183             (void)GetEventHandler()->ProcessEvent(event);
1184         }
1185         else
1186         {
1187             OnLeftDown(eventMouse);
1188         }
1189
1190     }
1191 }
1192
1193 // calculate line number from symbol value
1194 int wxSymbolListCtrl::SymbolValueToLineNumber(int item)
1195 {
1196     return (int) (item/m_symbolsPerLine);
1197 }
1198
1199 // initialise control from current min/max values
1200 void wxSymbolListCtrl::SetupCtrl(bool scrollToSelection)
1201 {
1202     wxSize sz = GetClientSize();
1203
1204     m_symbolsPerLine = sz.x/(m_cellSize.x+m_ptMargins.x);
1205     int noLines = (1 + SymbolValueToLineNumber(m_maxSymbolValue));
1206
1207     SetRowCount(noLines);
1208     Refresh();
1209
1210     if (scrollToSelection && m_current != wxNOT_FOUND && m_current >= m_minSymbolValue && m_current <= m_maxSymbolValue)
1211     {
1212         ScrollToRow(SymbolValueToLineNumber(m_current));
1213     }
1214 }
1215
1216 // make this item visible
1217 void wxSymbolListCtrl::EnsureVisible(int item)
1218 {
1219     if (item != wxNOT_FOUND && item >= m_minSymbolValue && item <= m_maxSymbolValue)
1220     {
1221         ScrollToRow(SymbolValueToLineNumber(item));
1222     }
1223 }
1224
1225
1226 // hit testing
1227 int wxSymbolListCtrl::HitTest(const wxPoint& pt)
1228 {
1229     wxCoord lineHeight = OnGetRowHeight(0);
1230
1231     int atLine = GetVisibleBegin() + (pt.y/lineHeight);
1232     int symbol = (atLine*m_symbolsPerLine) + (pt.x/(m_cellSize.x+1));
1233
1234     if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
1235         return symbol;
1236
1237     return -1;
1238 }
1239
1240 // Respond to size change
1241 void wxSymbolListCtrl::OnSize(wxSizeEvent& event)
1242 {
1243     SetupCtrl();
1244     event.Skip();
1245 }
1246
1247 // set the current font
1248 bool wxSymbolListCtrl::SetFont(const wxFont& font)
1249 {
1250     wxVScrolledWindow::SetFont(font);
1251
1252     SetupCtrl();
1253
1254     return true;
1255 }
1256
1257 // set Unicode/ASCII mode
1258 void wxSymbolListCtrl::SetUnicodeMode(bool unicodeMode)
1259 {
1260     bool changed = false;
1261     if (unicodeMode && !m_unicodeMode)
1262     {
1263         changed = true;
1264
1265         m_minSymbolValue = 0;
1266         m_maxSymbolValue = 65535;
1267     }
1268     else if (!unicodeMode && m_unicodeMode)
1269     {
1270         changed = true;
1271         m_minSymbolValue = 0;
1272         m_maxSymbolValue = 255;
1273     }
1274     m_unicodeMode = unicodeMode;
1275
1276     if (changed)
1277         SetupCtrl();
1278 }
1279
1280 // ----------------------------------------------------------------------------
1281 // use the same default attributes as wxListBox
1282 // ----------------------------------------------------------------------------
1283
1284 //static
1285 wxVisualAttributes
1286 wxSymbolListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
1287 {
1288     return wxListBox::GetClassDefaultAttributes(variant);
1289 }
1290
1291 #endif // wxUSE_RICHTEXT