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 #if defined(__UNICODE__)
 297     EVT_COMBOBOX( ID_SYMBOLPICKERDIALOG_SUBSET, wxSymbolPickerDialog::OnSubsetSelected )
 298     EVT_UPDATE_UI( ID_SYMBOLPICKERDIALOG_SUBSET, wxSymbolPickerDialog::OnSymbolpickerdialogSubsetUpdate )
 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     EVT_BUTTON( wxID_HELP, wxSymbolPickerDialog::OnHelpClick )
 307     EVT_UPDATE_UI( wxID_HELP, wxSymbolPickerDialog::OnHelpUpdate )
 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 #ifdef __WXMAC__
 383     SetWindowVariant(wxWINDOW_VARIANT_SMALL);
 384 #endif
 385
 386 ////@begin wxSymbolPickerDialog content construction
 387     wxSymbolPickerDialog* itemDialog1 = this;
 388
 389     wxBoxSizer* itemBoxSizer2 = new wxBoxSizer(wxVERTICAL);
 390     itemDialog1->SetSizer(itemBoxSizer2);
 391
 392     wxBoxSizer* itemBoxSizer3 = new wxBoxSizer(wxVERTICAL);
 393     itemBoxSizer2->Add(itemBoxSizer3, 1, wxGROW|wxALL, 5);
 394
 395     wxBoxSizer* itemBoxSizer4 = new wxBoxSizer(wxHORIZONTAL);
 396     itemBoxSizer3->Add(itemBoxSizer4, 0, wxGROW, 5);
 397
 398     wxBoxSizer* itemBoxSizer5 = new wxBoxSizer(wxHORIZONTAL);
 399     itemBoxSizer4->Add(itemBoxSizer5, 1, wxGROW, 5);
 400
 401     wxStaticText* itemStaticText6 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Font:"), wxDefaultPosition, wxDefaultSize, 0 );
 402     itemBoxSizer5->Add(itemStaticText6, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 403
 404     wxArrayString m_fontCtrlStrings;
 405     m_fontCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FONT, wxEmptyString, wxDefaultPosition, wxSize(240, -1), m_fontCtrlStrings, wxCB_READONLY );
 406     m_fontCtrl->SetHelpText(_("The font from which to take the symbol."));
 407     if (wxSymbolPickerDialog::ShowToolTips())
 408         m_fontCtrl->SetToolTip(_("The font from which to take the symbol."));
 409     itemBoxSizer5->Add(m_fontCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 410
 411     itemBoxSizer5->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 412
 413 #if defined(__UNICODE__)
 414     wxStaticText* itemStaticText9 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Subset:"), wxDefaultPosition, wxDefaultSize, 0 );
 415     itemBoxSizer5->Add(itemStaticText9, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 416
 417 #endif
 418
 419 #if defined(__UNICODE__)
 420     wxArrayString m_subsetCtrlStrings;
 421     m_subsetCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_SUBSET, wxEmptyString, wxDefaultPosition, wxDefaultSize, m_subsetCtrlStrings, wxCB_READONLY );
 422     m_subsetCtrl->SetHelpText(_("Shows a Unicode subset."));
 423     if (wxSymbolPickerDialog::ShowToolTips())
 424         m_subsetCtrl->SetToolTip(_("Shows a Unicode subset."));
 425     itemBoxSizer5->Add(m_subsetCtrl, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 426
 427 #endif
 428
 429     m_symbolsCtrl = new wxSymbolListCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_LISTCTRL, wxDefaultPosition, wxSize(500, 200), 0 );
 430     itemBoxSizer3->Add(m_symbolsCtrl, 1, wxGROW|wxALL, 5);
 431
 432     wxBoxSizer* itemBoxSizer12 = new wxBoxSizer(wxHORIZONTAL);
 433     itemBoxSizer3->Add(itemBoxSizer12, 0, wxGROW, 5);
 434
 435     m_symbolStaticCtrl = new wxStaticText( itemDialog1, wxID_STATIC, _("xxxx"), wxDefaultPosition, wxSize(40, -1), wxALIGN_CENTRE );
 436     itemBoxSizer12->Add(m_symbolStaticCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 437
 438     itemBoxSizer12->Add(5, 5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 439
 440     wxStaticText* itemStaticText15 = new wxStaticText( itemDialog1, wxID_STATIC, _("&Character code:"), wxDefaultPosition, wxDefaultSize, 0 );
 441     itemBoxSizer12->Add(itemStaticText15, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 442
 443     m_characterCodeCtrl = new wxTextCtrl( itemDialog1, ID_SYMBOLPICKERDIALOG_CHARACTERCODE, wxEmptyString, wxDefaultPosition, wxSize(140, -1), wxTE_READONLY|wxTE_CENTRE );
 444     m_characterCodeCtrl->SetHelpText(_("The character code."));
 445     if (wxSymbolPickerDialog::ShowToolTips())
 446         m_characterCodeCtrl->SetToolTip(_("The character code."));
 447     itemBoxSizer12->Add(m_characterCodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 448
 449     itemBoxSizer12->Add(5, 5, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 450
 451 #if defined(__UNICODE__)
 452     wxStaticText* itemStaticText18 = new wxStaticText( itemDialog1, wxID_STATIC, _("&From:"), wxDefaultPosition, wxDefaultSize, 0 );
 453     itemBoxSizer12->Add(itemStaticText18, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 454
 455 #endif
 456
 457 #if defined(__UNICODE__)
 458     wxArrayString m_fromUnicodeCtrlStrings;
 459     m_fromUnicodeCtrlStrings.Add(_("ASCII"));
 460     m_fromUnicodeCtrlStrings.Add(_("Unicode"));
 461     m_fromUnicodeCtrl = new wxComboBox( itemDialog1, ID_SYMBOLPICKERDIALOG_FROM, _("Unicode"), wxDefaultPosition, wxDefaultSize, m_fromUnicodeCtrlStrings, wxCB_READONLY );
 462     m_fromUnicodeCtrl->SetStringSelection(_("Unicode"));
 463     m_fromUnicodeCtrl->SetHelpText(_("The range to show."));
 464     if (wxSymbolPickerDialog::ShowToolTips())
 465         m_fromUnicodeCtrl->SetToolTip(_("The range to show."));
 466     itemBoxSizer12->Add(m_fromUnicodeCtrl, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5);
 467
 468 #endif
 469
 470     m_stdButtonSizer = new wxStdDialogButtonSizer;
 471
 472     itemBoxSizer3->Add(m_stdButtonSizer, 0, wxGROW|wxTOP|wxBOTTOM, 5);
 473     wxButton* itemButton21 = new wxButton( itemDialog1, wxID_OK, _("Insert"), wxDefaultPosition, wxDefaultSize, 0 );
 474     itemButton21->SetDefault();
 475     m_stdButtonSizer->AddButton(itemButton21);
 476
 477     wxButton* itemButton22 = new wxButton( itemDialog1, wxID_CANCEL, _("Close"), wxDefaultPosition, wxDefaultSize, 0 );
 478     m_stdButtonSizer->AddButton(itemButton22);
 479
 480     wxButton* itemButton23 = new wxButton( itemDialog1, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, 0 );
 481     m_stdButtonSizer->AddButton(itemButton23);
 482
 483     m_stdButtonSizer->Realize();
 484
 485 ////@end wxSymbolPickerDialog content construction
 486
 487     if (GetHelpId() == -1)
 488     {
 489         wxWindow* button = FindWindowById(wxID_HELP);
 490         if (button)
 491             m_stdButtonSizer->Show(button, false);
 492     }
 493 }
 494
 495 /// Data transfer
 496 bool wxSymbolPickerDialog::TransferDataToWindow()
 497 {
 498     m_dontUpdate = true;
 499
 500     if (m_fontCtrl->GetCount() == 0)
 501     {
 502         wxArrayString faceNames = wxRichTextCtrl::GetAvailableFontNames();
 503         faceNames.Sort();
 504
 505         faceNames.Insert(_("(Normal text)"), 0);
 506         m_fontCtrl->Append(faceNames);
 507     }
 508
 509     if (m_fontName.empty())
 510         m_fontCtrl->SetSelection(0);
 511     else
 512     {
 513         if (m_fontCtrl->FindString(m_fontName) != wxNOT_FOUND)
 514             m_fontCtrl->SetStringSelection(m_fontName);
 515         else
 516             m_fontCtrl->SetSelection(0);
 517     }
 518
 519 #if defined(__UNICODE__)
 520     if (m_subsetCtrl->GetCount() == 0)
 521     {
 522         // Insert items into subset combo
 523         int i;
 524         for (i = 0; i < (int) WXSIZEOF(g_UnicodeSubsetTable); i++)
 525         {
 526             m_subsetCtrl->Append(g_UnicodeSubsetTable[i].m_name);
 527         }
 528         m_subsetCtrl->SetSelection(0);
 529     }
 530 #endif
 531
 532 #if defined(__UNICODE__)
 533     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 534 #endif
 535
 536     if (!m_symbol.empty())
 537     {
 538         int sel = (int) m_symbol[0];
 539         m_symbolsCtrl->SetSelection(sel);
 540     }
 541
 542     UpdateSymbolDisplay(true, m_symbol.empty());
 543
 544     m_dontUpdate = false;
 545
 546     return true;
 547 }
 548
 549 void wxSymbolPickerDialog::UpdateSymbolDisplay(bool updateSymbolList, bool showAtSubset)
 550 {
 551     wxFont font;
 552     wxString fontNameToUse;
 553     if (m_fontName.empty())
 554         fontNameToUse = m_normalTextFontName;
 555     else
 556         fontNameToUse = m_fontName;
 557
 558     if (!fontNameToUse.empty())
 559     {
 560         font = wxFont(14, wxDEFAULT, wxNORMAL, wxNORMAL, false, fontNameToUse);
 561     }
 562     else
 563         font = *wxNORMAL_FONT;
 564
 565     if (updateSymbolList)
 566     {
 567         m_symbolsCtrl->SetFont(font);
 568     }
 569
 570     if (!m_symbol.empty())
 571     {
 572         m_symbolStaticCtrl->SetFont(font);
 573         m_symbolStaticCtrl->SetLabel(m_symbol);
 574
 575         int symbol = (int) m_symbol[0];
 576         m_characterCodeCtrl->SetValue(wxString::Format(wxT("%X hex (%d dec)"), symbol, symbol));
 577     }
 578     else
 579     {
 580         m_symbolStaticCtrl->SetLabel(wxEmptyString);
 581         m_characterCodeCtrl->SetValue(wxEmptyString);
 582     }
 583
 584 #if defined(__UNICODE__)
 585     if (showAtSubset)
 586         ShowAtSubset();
 587 #else
 588     wxUnusedVar(showAtSubset);
 589 #endif
 590 }
 591
 592 /// Show at the current subset selection
 593 void wxSymbolPickerDialog::ShowAtSubset()
 594 {
 595 #if defined(__UNICODE__)
 596     if (m_fromUnicode)
 597     {
 598         int sel = m_subsetCtrl->GetSelection();
 599         int low = g_UnicodeSubsetTable[sel].m_low;
 600         m_symbolsCtrl->EnsureVisible(low);
 601     }
 602 #endif
 603 }
 604
 605 // Handle font selection
 606 void wxSymbolPickerDialog::OnFontCtrlSelected( wxCommandEvent& WXUNUSED(event) )
 607 {
 608     if (m_fontCtrl->GetSelection() == 0)
 609         m_fontName = wxEmptyString;
 610     else
 611         m_fontName = m_fontCtrl->GetStringSelection();
 612
 613     UpdateSymbolDisplay();
 614 }
 615
 616 /// Respond to symbol selection
 617 void wxSymbolPickerDialog::OnSymbolSelected( wxCommandEvent& event )
 618 {
 619     if (m_dontUpdate)
 620         return;
 621
 622     int sel = event.GetSelection();
 623     if (sel == wxNOT_FOUND)
 624         m_symbol = wxEmptyString;
 625     else
 626     {
 627         m_symbol = wxEmptyString;
 628         m_symbol << (wxChar) sel;
 629     }
 630
 631 #if defined(__UNICODE__)
 632     if (sel != -1 && m_fromUnicode)
 633     {
 634         // Need to make the subset selection reflect the current symbol
 635         int i;
 636         for (i = 0; i < (int) WXSIZEOF(g_UnicodeSubsetTable); i++)
 637         {
 638             if (sel >= g_UnicodeSubsetTable[i].m_low && sel <= g_UnicodeSubsetTable[i].m_high)
 639             {
 640                 m_dontUpdate = true;
 641                 m_subsetCtrl->SetSelection(i);
 642                 m_dontUpdate = false;
 643                 break;
 644             }
 645         }
 646     }
 647 #endif
 648
 649     UpdateSymbolDisplay(false, false);
 650 }
 651
 652 #if defined(__UNICODE__)
 653 // Handle Unicode/ASCII selection
 654 void wxSymbolPickerDialog::OnFromUnicodeSelected( wxCommandEvent& WXUNUSED(event) )
 655 {
 656     if (m_dontUpdate)
 657         return;
 658
 659     m_fromUnicode = (m_fromUnicodeCtrl->GetSelection() == 1);
 660     m_symbolsCtrl->SetUnicodeMode(m_fromUnicode);
 661     UpdateSymbolDisplay(false);
 662 }
 663
 664 // Handle subset selection
 665 void wxSymbolPickerDialog::OnSubsetSelected( wxCommandEvent& WXUNUSED(event) )
 666 {
 667     if (m_dontUpdate)
 668         return;
 669
 670     ShowAtSubset();
 671 }
 672 #endif
 673
 674 #if defined(__UNICODE__)
 675
 676 /*!
 677  * wxEVT_UPDATE_UI event handler for ID_SYMBOLPICKERDIALOG_SUBSET
 678  */
 679
 680 void wxSymbolPickerDialog::OnSymbolpickerdialogSubsetUpdate( wxUpdateUIEvent& event )
 681 {
 682     event.Enable(m_fromUnicode);
 683 }
 684 #endif
 685
 686 /*!
 687  * wxEVT_UPDATE_UI event handler for wxID_OK
 688  */
 689
 690 void wxSymbolPickerDialog::OnOkUpdate( wxUpdateUIEvent& event )
 691 {
 692     event.Enable(HasSelection());
 693 }
 694
 695 /// Set Unicode mode
 696 void wxSymbolPickerDialog::SetUnicodeMode(bool unicodeMode)
 697 {
 698 #if defined(__UNICODE__)
 699     m_dontUpdate = true;
 700     m_fromUnicode = unicodeMode;
 701     if (m_fromUnicodeCtrl)
 702         m_fromUnicodeCtrl->SetSelection(m_fromUnicode ? 1 : 0);
 703     UpdateSymbolDisplay();
 704     m_dontUpdate = false;
 705 #else
 706     wxUnusedVar(unicodeMode);
 707 #endif
 708 }
 709
 710 /// Get the selected symbol character
 711 int wxSymbolPickerDialog::GetSymbolChar() const
 712 {
 713     if (m_symbol.empty())
 714         return -1;
 715     else
 716         return (int) m_symbol[0];
 717 }
 718
 719
 720 /*!
 721  * Get bitmap resources
 722  */
 723
 724 wxBitmap wxSymbolPickerDialog::GetBitmapResource( const wxString& name )
 725 {
 726     // Bitmap retrieval
 727 ////@begin wxSymbolPickerDialog bitmap retrieval
 728     wxUnusedVar(name);
 729     return wxNullBitmap;
 730 ////@end wxSymbolPickerDialog bitmap retrieval
 731 }
 732
 733 /*!
 734  * Get icon resources
 735  */
 736
 737 wxIcon wxSymbolPickerDialog::GetIconResource( const wxString& name )
 738 {
 739     // Icon retrieval
 740 ////@begin wxSymbolPickerDialog icon retrieval
 741     wxUnusedVar(name);
 742     return wxNullIcon;
 743 ////@end wxSymbolPickerDialog icon retrieval
 744 }
 745
 746 /*!
 747  * The scrolling symbol list.
 748  */
 749
 750 // ----------------------------------------------------------------------------
 751 // event tables
 752 // ----------------------------------------------------------------------------
 753
 754 BEGIN_EVENT_TABLE(wxSymbolListCtrl, wxVScrolledWindow)
 755     EVT_PAINT(wxSymbolListCtrl::OnPaint)
 756     EVT_SIZE(wxSymbolListCtrl::OnSize)
 757
 758     EVT_KEY_DOWN(wxSymbolListCtrl::OnKeyDown)
 759     EVT_LEFT_DOWN(wxSymbolListCtrl::OnLeftDown)
 760     EVT_LEFT_DCLICK(wxSymbolListCtrl::OnLeftDClick)
 761 END_EVENT_TABLE()
 762
 763 // ============================================================================
 764 // implementation
 765 // ============================================================================
 766
 767 IMPLEMENT_ABSTRACT_CLASS(wxSymbolListCtrl, wxVScrolledWindow)
 768
 769 // ----------------------------------------------------------------------------
 770 // wxSymbolListCtrl creation
 771 // ----------------------------------------------------------------------------
 772
 773 void wxSymbolListCtrl::Init()
 774 {
 775     m_current = wxNOT_FOUND;
 776     m_doubleBuffer = NULL;
 777     m_cellSize = wxSize(40, 40);
 778     m_minSymbolValue = 0;
 779     m_maxSymbolValue = 255;
 780     m_symbolsPerLine = 0;
 781     m_unicodeMode = false;
 782 }
 783
 784 bool wxSymbolListCtrl::Create(wxWindow *parent,
 785                         wxWindowID id,
 786                         const wxPoint& pos,
 787                         const wxSize& size,
 788                         long style,
 789                         const wxString& name)
 790 {
 791     style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
 792
 793     if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
 794         style |= wxBORDER_THEME;
 795
 796     if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) )
 797         return false;
 798
 799     // make sure the native widget has the right colour since we do
 800     // transparent drawing by default
 801     SetBackgroundColour(GetBackgroundColour());
 802     m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 803
 804     // flicker-free drawing requires this
 805     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 806
 807     SetFont(*wxNORMAL_FONT);
 808
 809     SetupCtrl();
 810
 811     SetInitialSize(size);
 812
 813     return true;
 814 }
 815
 816 wxSymbolListCtrl::~wxSymbolListCtrl()
 817 {
 818     delete m_doubleBuffer;
 819 }
 820
 821 // ----------------------------------------------------------------------------
 822 // selection handling
 823 // ----------------------------------------------------------------------------
 824
 825 bool wxSymbolListCtrl::IsSelected(int item) const
 826 {
 827     return item == m_current;
 828 }
 829
 830 bool wxSymbolListCtrl::DoSetCurrent(int current)
 831 {
 832     wxASSERT_MSG( current == wxNOT_FOUND ||
 833                     (current >= m_minSymbolValue && current <= m_maxSymbolValue),
 834                   wxT("wxSymbolListCtrl::DoSetCurrent(): invalid symbol value") );
 835
 836     if ( current == m_current )
 837     {
 838         // nothing to do
 839         return false;
 840     }
 841
 842     if ( m_current != wxNOT_FOUND )
 843         RefreshRow(SymbolValueToLineNumber(m_current));
 844
 845     m_current = current;
 846
 847     if ( m_current != wxNOT_FOUND )
 848     {
 849         int lineNo = SymbolValueToLineNumber(m_current);
 850
 851         // if the line is not visible at all, we scroll it into view but we
 852         // don't need to refresh it -- it will be redrawn anyhow
 853         if ( !IsVisible(lineNo) )
 854         {
 855             ScrollToRow(lineNo);
 856         }
 857         else // line is at least partly visible
 858         {
 859             // it is, indeed, only partly visible, so scroll it into view to
 860             // make it entirely visible
 861             while ( (unsigned)lineNo + 1 == GetVisibleEnd() &&
 862                     ScrollToRow(GetVisibleBegin() + 1) )
 863                 ;
 864
 865             // but in any case refresh it as even if it was only partly visible
 866             // before we need to redraw it entirely as its background changed
 867             RefreshRow(lineNo);
 868         }
 869     }
 870
 871     return true;
 872 }
 873
 874 void wxSymbolListCtrl::SendSelectedEvent()
 875 {
 876     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
 877     event.SetEventObject(this);
 878     event.SetInt(m_current);
 879
 880     (void)GetEventHandler()->ProcessEvent(event);
 881 }
 882
 883 void wxSymbolListCtrl::SetSelection(int selection)
 884 {
 885     wxCHECK_RET( selection == wxNOT_FOUND ||
 886                   (selection >= m_minSymbolValue && selection < m_maxSymbolValue),
 887                   wxT("wxSymbolListCtrl::SetSelection(): invalid symbol value") );
 888
 889     DoSetCurrent(selection);
 890 }
 891
 892 // ----------------------------------------------------------------------------
 893 // wxSymbolListCtrl appearance parameters
 894 // ----------------------------------------------------------------------------
 895
 896 void wxSymbolListCtrl::SetMargins(const wxPoint& pt)
 897 {
 898     if ( pt != m_ptMargins )
 899     {
 900         m_ptMargins = pt;
 901
 902         Refresh();
 903     }
 904 }
 905
 906 void wxSymbolListCtrl::SetSelectionBackground(const wxColour& col)
 907 {
 908     m_colBgSel = col;
 909 }
 910
 911 // ----------------------------------------------------------------------------
 912 // wxSymbolListCtrl painting
 913 // ----------------------------------------------------------------------------
 914
 915 wxCoord wxSymbolListCtrl::OnGetRowHeight(size_t WXUNUSED(line)) const
 916 {
 917     return m_cellSize.y + 2*m_ptMargins.y + 1 /* for divider */ ;
 918 }
 919
 920 // draws a line of symbols
 921 void wxSymbolListCtrl::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 922 {
 923     wxColour oldTextColour = dc.GetTextForeground();
 924     int startSymbol = n*m_symbolsPerLine;
 925
 926     int i;
 927     for (i = 0; i < m_symbolsPerLine; i++)
 928     {
 929         bool resetColour = false;
 930         int symbol = startSymbol+i;
 931         if (symbol == m_current)
 932         {
 933             dc.SetBrush(wxBrush(m_colBgSel));
 934
 935             dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
 936             resetColour = true;
 937
 938             wxPen oldPen = dc.GetPen();
 939             dc.SetPen(*wxTRANSPARENT_PEN);
 940
 941             dc.DrawRectangle(rect.x + i*m_cellSize.x, rect.y, m_cellSize.x, rect.y+rect.height);
 942             dc.SetPen(oldPen);
 943         }
 944
 945         // Don't draw first line
 946         if (i != 0)
 947             dc.DrawLine(rect.x + i*m_cellSize.x, rect.y, i*m_cellSize.x, rect.y+rect.height);
 948
 949         if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
 950         {
 951             wxString text;
 952             text << (wxChar) symbol;
 953
 954             wxCoord w, h;
 955             dc.GetTextExtent(text, & w, & h);
 956
 957             int x = rect.x + i*m_cellSize.x + (m_cellSize.x - w)/2;
 958             int y = rect.y + (m_cellSize.y - h)/2;
 959             dc.DrawText(text, x, y);
 960         }
 961
 962         if (resetColour)
 963             dc.SetTextForeground(oldTextColour);
 964     }
 965
 966     // Draw horizontal separator line
 967     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1);
 968 }
 969
 970 void wxSymbolListCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 971 {
 972     // If size is larger, recalculate double buffer bitmap
 973     wxSize clientSize = GetClientSize();
 974
 975     if ( !m_doubleBuffer ||
 976          clientSize.x > m_doubleBuffer->GetWidth() ||
 977          clientSize.y > m_doubleBuffer->GetHeight() )
 978     {
 979         delete m_doubleBuffer;
 980         m_doubleBuffer = new wxBitmap(clientSize.x+25,clientSize.y+25);
 981     }
 982
 983     wxBufferedPaintDC dc(this,*m_doubleBuffer);
 984
 985     // the update rectangle
 986     wxRect rectUpdate = GetUpdateClientRect();
 987
 988     // fill it with background colour
 989     dc.SetBackground(GetBackgroundColour());
 990     dc.Clear();
 991
 992     // set the font to be displayed
 993     dc.SetFont(GetFont());
 994
 995     // the bounding rectangle of the current line
 996     wxRect rectRow;
 997     rectRow.width = clientSize.x;
 998
 999     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)));
1000     dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
1001     dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
1002
1003     // iterate over all visible lines
1004     const size_t lineMax = GetVisibleEnd();
1005     for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
1006     {
1007         const wxCoord hRow = OnGetRowHeight(line);
1008
1009         rectRow.height = hRow;
1010
1011         // and draw the ones which intersect the update rect
1012         if ( rectRow.Intersects(rectUpdate) )
1013         {
1014             // don't allow drawing outside of the lines rectangle
1015             wxDCClipper clip(dc, rectRow);
1016
1017             wxRect rect = rectRow;
1018             rect.Deflate(m_ptMargins.x, m_ptMargins.y);
1019             OnDrawItem(dc, rect, line);
1020         }
1021         else // no intersection
1022         {
1023             if ( rectRow.GetTop() > rectUpdate.GetBottom() )
1024             {
1025                 // we are already below the update rect, no need to continue
1026                 // further
1027                 break;
1028             }
1029             //else: the next line may intersect the update rect
1030         }
1031
1032         rectRow.y += hRow;
1033     }
1034 }
1035
1036 // ============================================================================
1037 // wxSymbolListCtrl keyboard/mouse handling
1038 // ============================================================================
1039
1040 void wxSymbolListCtrl::DoHandleItemClick(int item, int WXUNUSED(flags))
1041 {
1042     if (m_current != item)
1043     {
1044         m_current = item;
1045         Refresh();
1046         SendSelectedEvent();
1047     }
1048 }
1049
1050 // ----------------------------------------------------------------------------
1051 // keyboard handling
1052 // ----------------------------------------------------------------------------
1053
1054 void wxSymbolListCtrl::OnKeyDown(wxKeyEvent& event)
1055 {
1056     // No keyboard interface for now
1057     event.Skip();
1058 #if 0
1059     // flags for DoHandleItemClick()
1060     int flags = ItemClick_Kbd;
1061
1062     int currentLineNow = SymbolValueToLineNumber(m_current);
1063
1064     int currentLine;
1065     switch ( event.GetKeyCode() )
1066     {
1067         case WXK_HOME:
1068             currentLine = 0;
1069             break;
1070
1071         case WXK_END:
1072             currentLine = GetLineCount() - 1;
1073             break;
1074
1075         case WXK_DOWN:
1076             if ( currentLineNow == (int)GetLineCount() - 1 )
1077                 return;
1078
1079             currentLine = currentLineNow + 1;
1080             break;
1081
1082         case WXK_UP:
1083             if ( m_current == wxNOT_FOUND )
1084                 currentLine = GetLineCount() - 1;
1085             else if ( currentLineNow != 0 )
1086                 currentLine = currentLineNow - 1;
1087             else // currentLineNow == 0
1088                 return;
1089             break;
1090
1091         case WXK_PAGEDOWN:
1092             PageDown();
1093             currentLine = GetFirstVisibleLine();
1094             break;
1095
1096         case WXK_PAGEUP:
1097             if ( currentLineNow == (int)GetFirstVisibleLine() )
1098             {
1099                 PageUp();
1100             }
1101
1102             currentLine = GetFirstVisibleLine();
1103             break;
1104
1105         case WXK_SPACE:
1106             // hack: pressing space should work like a mouse click rather than
1107             // like a keyboard arrow press, so trick DoHandleItemClick() in
1108             // thinking we were clicked
1109             flags &= ~ItemClick_Kbd;
1110             currentLine = currentLineNow;
1111             break;
1112
1113 #ifdef __WXMSW__
1114         case WXK_TAB:
1115             // Since we are using wxWANTS_CHARS we need to send navigation
1116             // events for the tabs on MSW
1117             {
1118                 wxNavigationKeyEvent ne;
1119                 ne.SetDirection(!event.ShiftDown());
1120                 ne.SetCurrentFocus(this);
1121                 ne.SetEventObject(this);
1122                 GetParent()->GetEventHandler()->ProcessEvent(ne);
1123             }
1124             // fall through to default
1125 #endif
1126         default:
1127             event.Skip();
1128             currentLine = 0; // just to silent the stupid compiler warnings
1129             wxUnusedVar(currentNow);
1130             return;
1131     }
1132
1133 #if 0
1134     if ( event.ShiftDown() )
1135        flags |= ItemClick_Shift;
1136     if ( event.ControlDown() )
1137         flags |= ItemClick_Ctrl;
1138
1139     DoHandleItemClick(current, flags);
1140 #endif
1141 #endif
1142 }
1143
1144 // ----------------------------------------------------------------------------
1145 // wxSymbolListCtrl mouse handling
1146 // ----------------------------------------------------------------------------
1147
1148 void wxSymbolListCtrl::OnLeftDown(wxMouseEvent& event)
1149 {
1150     SetFocus();
1151
1152     int item = HitTest(event.GetPosition());
1153
1154     if ( item != wxNOT_FOUND )
1155     {
1156         int flags = 0;
1157         if ( event.ShiftDown() )
1158            flags |= ItemClick_Shift;
1159
1160         // under Mac Apple-click is used in the same way as Ctrl-click
1161         // elsewhere
1162 #ifdef __WXMAC__
1163         if ( event.MetaDown() )
1164 #else
1165         if ( event.ControlDown() )
1166 #endif
1167             flags |= ItemClick_Ctrl;
1168
1169         DoHandleItemClick(item, flags);
1170     }
1171 }
1172
1173 void wxSymbolListCtrl::OnLeftDClick(wxMouseEvent& eventMouse)
1174 {
1175     int item = HitTest(eventMouse.GetPosition());
1176     if ( item != wxNOT_FOUND )
1177     {
1178
1179         // if item double-clicked was not yet selected, then treat
1180         // this event as a left-click instead
1181         if ( item == m_current )
1182         {
1183             wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
1184             event.SetEventObject(this);
1185             event.SetInt(item);
1186
1187             (void)GetEventHandler()->ProcessEvent(event);
1188         }
1189         else
1190         {
1191             OnLeftDown(eventMouse);
1192         }
1193
1194     }
1195 }
1196
1197 // calculate line number from symbol value
1198 int wxSymbolListCtrl::SymbolValueToLineNumber(int item)
1199 {
1200     return (int) (item/m_symbolsPerLine);
1201 }
1202
1203 // initialise control from current min/max values
1204 void wxSymbolListCtrl::SetupCtrl(bool scrollToSelection)
1205 {
1206     wxSize sz = GetClientSize();
1207
1208     m_symbolsPerLine = sz.x/(m_cellSize.x+m_ptMargins.x);
1209     int noLines = (1 + SymbolValueToLineNumber(m_maxSymbolValue));
1210
1211     SetRowCount(noLines);
1212     Refresh();
1213
1214     if (scrollToSelection && m_current != wxNOT_FOUND && m_current >= m_minSymbolValue && m_current <= m_maxSymbolValue)
1215     {
1216         ScrollToRow(SymbolValueToLineNumber(m_current));
1217     }
1218 }
1219
1220 // make this item visible
1221 void wxSymbolListCtrl::EnsureVisible(int item)
1222 {
1223     if (item != wxNOT_FOUND && item >= m_minSymbolValue && item <= m_maxSymbolValue)
1224     {
1225         ScrollToRow(SymbolValueToLineNumber(item));
1226     }
1227 }
1228
1229
1230 // hit testing
1231 int wxSymbolListCtrl::HitTest(const wxPoint& pt)
1232 {
1233     wxCoord lineHeight = OnGetRowHeight(0);
1234
1235     int atLine = GetVisibleBegin() + (pt.y/lineHeight);
1236     int symbol = (atLine*m_symbolsPerLine) + (pt.x/(m_cellSize.x+1));
1237
1238     if (symbol >= m_minSymbolValue && symbol <= m_maxSymbolValue)
1239         return symbol;
1240
1241     return -1;
1242 }
1243
1244 // Respond to size change
1245 void wxSymbolListCtrl::OnSize(wxSizeEvent& event)
1246 {
1247     SetupCtrl();
1248     event.Skip();
1249 }
1250
1251 // set the current font
1252 bool wxSymbolListCtrl::SetFont(const wxFont& font)
1253 {
1254     wxVScrolledWindow::SetFont(font);
1255
1256     SetupCtrl();
1257
1258     return true;
1259 }
1260
1261 // set Unicode/ASCII mode
1262 void wxSymbolListCtrl::SetUnicodeMode(bool unicodeMode)
1263 {
1264     bool changed = false;
1265     if (unicodeMode && !m_unicodeMode)
1266     {
1267         changed = true;
1268
1269         m_minSymbolValue = 0;
1270         m_maxSymbolValue = 65535;
1271     }
1272     else if (!unicodeMode && m_unicodeMode)
1273     {
1274         changed = true;
1275         m_minSymbolValue = 0;
1276         m_maxSymbolValue = 255;
1277     }
1278     m_unicodeMode = unicodeMode;
1279
1280     if (changed)
1281         SetupCtrl();
1282 }
1283
1284 // ----------------------------------------------------------------------------
1285 // use the same default attributes as wxListBox
1286 // ----------------------------------------------------------------------------
1287
1288 //static
1289 wxVisualAttributes
1290 wxSymbolListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
1291 {
1292     return wxListBox::GetClassDefaultAttributes(variant);
1293 }
1294
1295 /*!
1296  * wxEVT_COMMAND_BUTTON_CLICKED event handler for wxID_HELP
1297  */
1298
1299 void wxSymbolPickerDialog::OnHelpClick( wxCommandEvent& WXUNUSED(event) )
1300 {
1301     if ((GetHelpInfo().GetHelpId() != -1) && GetHelpInfo().GetUICustomization())
1302         ShowHelp(this);
1303 }
1304
1305 /*!
1306  * wxEVT_UPDATE_UI event handler for wxID_HELP
1307  */
1308
1309 void wxSymbolPickerDialog::OnHelpUpdate( wxUpdateUIEvent& event )
1310 {
1311     event.Enable((GetHelpInfo().GetHelpId() != -1) && GetHelpInfo().GetUICustomization());
1312 }
1313
1314 #endif
1315     // wxUSE_RICHTEXT