samples/stc/edit.cpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 // File:        edit.cpp
   3 // Purpose:     STC test module
   4 // Maintainer:  Wyo
   5 // Created:     2003-09-01
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) wxGuide
   8 // Licence:     wxWindows licence
   9 //////////////////////////////////////////////////////////////////////////////
  10
  11 //----------------------------------------------------------------------------
  12 // informations
  13 //----------------------------------------------------------------------------
  14
  15
  16 //----------------------------------------------------------------------------
  17 // headers
  18 //----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes <wx/wx.h>.
  21 #include <wx/wxprec.h>
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all 'standard' wxWindows headers)
  29 #ifndef WX_PRECOMP
  30     #include <wx/wx.h>
  31 #endif
  32
  33 //! wxWindows headers
  34 #include <wx/file.h>     // raw file io support
  35 #include <wx/filename.h> // filename support
  36
  37 //! application headers
  38 #include "defsext.h"     // additional definitions
  39
  40 #include "edit.h"        // edit module
  41
  42
  43 //----------------------------------------------------------------------------
  44 // resources
  45 //----------------------------------------------------------------------------
  46
  47
  48 //============================================================================
  49 // declarations
  50 //============================================================================
  51
  52
  53 //============================================================================
  54 // implementation
  55 //============================================================================
  56
  57 //----------------------------------------------------------------------------
  58 // Edit
  59 //----------------------------------------------------------------------------
  60
  61 BEGIN_EVENT_TABLE (Edit, wxStyledTextCtrl)
  62     // common
  63     EVT_SIZE (                         Edit::OnSize)
  64     // edit
  65     EVT_MENU (wxID_CLEAR,              Edit::OnEditClear)
  66     EVT_MENU (wxID_CUT,                Edit::OnEditCut)
  67     EVT_MENU (wxID_COPY,               Edit::OnEditCopy)
  68     EVT_MENU (wxID_PASTE,              Edit::OnEditPaste)
  69     EVT_MENU (myID_INDENTINC,          Edit::OnEditIndentInc)
  70     EVT_MENU (myID_INDENTRED,          Edit::OnEditIndentRed)
  71     EVT_MENU (wxID_SELECTALL,          Edit::OnEditSelectAll)
  72     EVT_MENU (myID_SELECTLINE,         Edit::OnEditSelectLine)
  73     EVT_MENU (wxID_REDO,               Edit::OnEditRedo)
  74     EVT_MENU (wxID_UNDO,               Edit::OnEditUndo)
  75     // find
  76     EVT_MENU (wxID_FIND,               Edit::OnFind)
  77     EVT_MENU (myID_FINDNEXT,           Edit::OnFindNext)
  78     EVT_MENU (myID_REPLACE,            Edit::OnReplace)
  79     EVT_MENU (myID_REPLACENEXT,        Edit::OnReplaceNext)
  80     EVT_MENU (myID_BRACEMATCH,         Edit::OnBraceMatch)
  81     EVT_MENU (myID_GOTO,               Edit::OnGoto)
  82     // view
  83     EVT_MENU_RANGE (myID_HILIGHTFIRST, myID_HILIGHTLAST,
  84                                        Edit::OnHilightLang)
  85     EVT_MENU (myID_DISPLAYEOL,         Edit::OnDisplayEOL)
  86     EVT_MENU (myID_INDENTGUIDE,        Edit::OnIndentGuide)
  87     EVT_MENU (myID_LINENUMBER,         Edit::OnLineNumber)
  88     EVT_MENU (myID_LONGLINEON,         Edit::OnLongLineOn)
  89     EVT_MENU (myID_WHITESPACE,         Edit::OnWhiteSpace)
  90     EVT_MENU (myID_FOLDTOGGLE,         Edit::OnFoldToggle)
  91     EVT_MENU (myID_OVERTYPE,           Edit::OnSetOverType)
  92     EVT_MENU (myID_READONLY,           Edit::OnSetReadOnly)
  93     EVT_MENU (myID_WRAPMODEON,         Edit::OnWrapmodeOn)
  94     EVT_MENU (myID_CHARSETANSI,        Edit::OnUseCharset)
  95     EVT_MENU (myID_CHARSETMAC,         Edit::OnUseCharset)
  96     // extra
  97     EVT_MENU (myID_CHANGELOWER,        Edit::OnChangeCase)
  98     EVT_MENU (myID_CHANGEUPPER,        Edit::OnChangeCase)
  99     EVT_MENU (myID_CONVERTCR,          Edit::OnConvertEOL)
 100     EVT_MENU (myID_CONVERTCRLF,        Edit::OnConvertEOL)
 101     EVT_MENU (myID_CONVERTLF,          Edit::OnConvertEOL)
 102     // stc
 103     EVT_STC_MARGINCLICK (-1,           Edit::OnMarginClick)
 104     EVT_STC_CHARADDED (-1,             Edit::OnCharAdded)
 105 END_EVENT_TABLE()
 106
 107 Edit::Edit (wxWindow *parent, wxWindowID id,
 108             const wxPoint &pos,
 109             const wxSize &size,
 110             long style)
 111     : wxStyledTextCtrl (parent, id, pos, size, style) {
 112
 113     m_filename = _T("");
 114
 115     m_LineNrID = 0;
 116     m_DividerID = 1;
 117     m_FoldingID = 2;
 118
 119     // initialize language
 120     m_language = NULL;
 121
 122     // default font for all styles
 123     SetViewEOL (g_CommonPrefs.displayEOLEnable);
 124     SetIndentationGuides (g_CommonPrefs.indentGuideEnable);
 125     SetEdgeMode (g_CommonPrefs.longLineOnEnable?
 126                  wxSTC_EDGE_LINE: wxSTC_EDGE_NONE);
 127     SetViewWhiteSpace (g_CommonPrefs.whiteSpaceEnable?
 128                        wxSTC_WS_VISIBLEALWAYS: wxSTC_WS_INVISIBLE);
 129     SetOvertype (g_CommonPrefs.overTypeInitial);
 130     SetReadOnly (g_CommonPrefs.readOnlyInitial);
 131     SetWrapMode (g_CommonPrefs.wrapModeInitial?
 132                  wxSTC_WRAP_WORD: wxSTC_WRAP_NONE);
 133     wxFont font (10, wxMODERN, wxNORMAL, wxNORMAL);
 134     StyleSetFont (wxSTC_STYLE_DEFAULT, font);
 135     StyleSetForeground (wxSTC_STYLE_DEFAULT, wxColour (_T("BLACK")));
 136     StyleSetBackground (wxSTC_STYLE_DEFAULT, wxColour (_T("WHITE")));
 137     StyleSetForeground (wxSTC_STYLE_LINENUMBER, wxColour (_T("DARK GREY")));
 138     StyleSetBackground (wxSTC_STYLE_LINENUMBER, wxColour (_T("WHITE")));
 139     StyleSetForeground(wxSTC_STYLE_INDENTGUIDE, wxColour (_T("DARK GREY")));
 140     InitializePrefs (DEFAULT_LANGUAGE);
 141
 142     // set visibility
 143     SetVisiblePolicy (wxSTC_VISIBLE_STRICT|wxSTC_VISIBLE_SLOP, 1);
 144     SetXCaretPolicy (wxSTC_CARET_EVEN|wxSTC_VISIBLE_STRICT|wxSTC_CARET_SLOP, 1);
 145     SetYCaretPolicy (wxSTC_CARET_EVEN|wxSTC_VISIBLE_STRICT|wxSTC_CARET_SLOP, 1);
 146
 147     // markers
 148     MarkerDefine (wxSTC_MARKNUM_FOLDER,        wxSTC_MARK_DOTDOTDOT, _T("BLACK"), _T("BLACK"));
 149     MarkerDefine (wxSTC_MARKNUM_FOLDEROPEN,    wxSTC_MARK_ARROWDOWN, _T("BLACK"), _T("BLACK"));
 150     MarkerDefine (wxSTC_MARKNUM_FOLDERSUB,     wxSTC_MARK_EMPTY,     _T("BLACK"), _T("BLACK"));
 151     MarkerDefine (wxSTC_MARKNUM_FOLDEREND,     wxSTC_MARK_DOTDOTDOT, _T("BLACK"), _T("WHITE"));
 152     MarkerDefine (wxSTC_MARKNUM_FOLDEROPENMID, wxSTC_MARK_ARROWDOWN, _T("BLACK"), _T("WHITE"));
 153     MarkerDefine (wxSTC_MARKNUM_FOLDERMIDTAIL, wxSTC_MARK_EMPTY,     _T("BLACK"), _T("BLACK"));
 154     MarkerDefine (wxSTC_MARKNUM_FOLDERTAIL,    wxSTC_MARK_EMPTY,     _T("BLACK"), _T("BLACK"));
 155
 156     // miscelaneous
 157     m_LineNrMargin = TextWidth (wxSTC_STYLE_LINENUMBER, _T("_999999"));
 158     m_FoldingMargin = 16;
 159     CmdKeyClear (wxSTC_KEY_TAB, 0); // this is done by the menu accelerator key
 160     SetLayoutCache (wxSTC_CACHE_PAGE);
 161
 162 }
 163
 164 Edit::~Edit () {}
 165
 166 //----------------------------------------------------------------------------
 167 // common event handlers
 168 void Edit::OnSize( wxSizeEvent& event ) {
 169     int x = GetClientSize().x +
 170             (g_CommonPrefs.lineNumberEnable? m_LineNrMargin: 0) +
 171             (g_CommonPrefs.foldEnable? m_FoldingMargin: 0);
 172     if (x > 0) SetScrollWidth (x);
 173     event.Skip();
 174 }
 175
 176 // edit event handlers
 177 void Edit::OnEditRedo (wxCommandEvent &WXUNUSED(event)) {
 178     if (!CanRedo()) return;
 179     Redo ();
 180 }
 181
 182 void Edit::OnEditUndo (wxCommandEvent &WXUNUSED(event)) {
 183     if (!CanUndo()) return;
 184     Undo ();
 185 }
 186
 187 void Edit::OnEditClear (wxCommandEvent &WXUNUSED(event)) {
 188     if (GetReadOnly()) return;
 189     Clear ();
 190 }
 191
 192 void Edit::OnEditCut (wxCommandEvent &WXUNUSED(event)) {
 193     if (GetReadOnly() || (GetSelectionEnd()-GetSelectionStart() <= 0)) return;
 194     Cut ();
 195 }
 196
 197 void Edit::OnEditCopy (wxCommandEvent &WXUNUSED(event)) {
 198     if (GetSelectionEnd()-GetSelectionStart() <= 0) return;
 199     Copy ();
 200 }
 201
 202 void Edit::OnEditPaste (wxCommandEvent &WXUNUSED(event)) {
 203     if (!CanPaste()) return;
 204     Paste ();
 205 }
 206
 207 void Edit::OnFind (wxCommandEvent &WXUNUSED(event)) {
 208 }
 209
 210 void Edit::OnFindNext (wxCommandEvent &WXUNUSED(event)) {
 211 }
 212
 213 void Edit::OnReplace (wxCommandEvent &WXUNUSED(event)) {
 214 }
 215
 216 void Edit::OnReplaceNext (wxCommandEvent &WXUNUSED(event)) {
 217 }
 218
 219 void Edit::OnBraceMatch (wxCommandEvent &WXUNUSED(event)) {
 220     int min = GetCurrentPos ();
 221     int max = BraceMatch (min);
 222     if (max > (min+1)) {
 223         BraceHighlight (min+1, max);
 224         SetSelection (min+1, max);
 225     }else{
 226         BraceBadLight (min);
 227     }
 228 }
 229
 230 void Edit::OnGoto (wxCommandEvent &WXUNUSED(event)) {
 231 }
 232
 233 void Edit::OnEditIndentInc (wxCommandEvent &WXUNUSED(event)) {
 234     CmdKeyExecute (wxSTC_CMD_TAB);
 235 }
 236
 237 void Edit::OnEditIndentRed (wxCommandEvent &WXUNUSED(event)) {
 238     CmdKeyExecute (wxSTC_CMD_DELETEBACK);
 239 }
 240
 241 void Edit::OnEditSelectAll (wxCommandEvent &WXUNUSED(event)) {
 242     SetSelection (0, GetTextLength ());
 243 }
 244
 245 void Edit::OnEditSelectLine (wxCommandEvent &WXUNUSED(event)) {
 246     int lineStart = PositionFromLine (GetCurrentLine());
 247     int lineEnd = PositionFromLine (GetCurrentLine() + 1);
 248     SetSelection (lineStart, lineEnd);
 249 }
 250
 251 void Edit::OnHilightLang (wxCommandEvent &event) {
 252     InitializePrefs (g_LanguagePrefs [event.GetId() - myID_HILIGHTFIRST].name);
 253 }
 254
 255 void Edit::OnDisplayEOL (wxCommandEvent &WXUNUSED(event)) {
 256     SetViewEOL (!GetViewEOL());
 257 }
 258
 259 void Edit::OnIndentGuide (wxCommandEvent &WXUNUSED(event)) {
 260     SetIndentationGuides (!GetIndentationGuides());
 261 }
 262
 263 void Edit::OnLineNumber (wxCommandEvent &WXUNUSED(event)) {
 264     SetMarginWidth (m_LineNrID,
 265                     GetMarginWidth (m_LineNrID) == 0? m_LineNrMargin: 0);
 266 }
 267
 268 void Edit::OnLongLineOn (wxCommandEvent &WXUNUSED(event)) {
 269     SetEdgeMode (GetEdgeMode() == 0? wxSTC_EDGE_LINE: wxSTC_EDGE_NONE);
 270 }
 271
 272 void Edit::OnWhiteSpace (wxCommandEvent &WXUNUSED(event)) {
 273     SetViewWhiteSpace (GetViewWhiteSpace() == 0?
 274                        wxSTC_WS_VISIBLEALWAYS: wxSTC_WS_INVISIBLE);
 275 }
 276
 277 void Edit::OnFoldToggle (wxCommandEvent &WXUNUSED(event)) {
 278     ToggleFold (GetFoldParent(GetCurrentLine()));
 279 }
 280
 281 void Edit::OnSetOverType (wxCommandEvent &WXUNUSED(event)) {
 282     SetOvertype (!GetOvertype());
 283 }
 284
 285 void Edit::OnSetReadOnly (wxCommandEvent &WXUNUSED(event)) {
 286     SetReadOnly (!GetReadOnly());
 287 }
 288
 289 void Edit::OnWrapmodeOn (wxCommandEvent &WXUNUSED(event)) {
 290     SetWrapMode (GetWrapMode() == 0? wxSTC_WRAP_WORD: wxSTC_WRAP_NONE);
 291 }
 292
 293 void Edit::OnUseCharset (wxCommandEvent &event) {
 294     int Nr;
 295     int charset = GetCodePage();
 296     switch (event.GetId()) {
 297         case myID_CHARSETANSI: {charset = wxSTC_CHARSET_ANSI; break;}
 298         case myID_CHARSETMAC: {charset = wxSTC_CHARSET_ANSI; break;}
 299     }
 300     for (Nr = 0; Nr < wxSTC_STYLE_LASTPREDEFINED; Nr++) {
 301         StyleSetCharacterSet (Nr, charset);
 302     }
 303     SetCodePage (charset);
 304 }
 305
 306 void Edit::OnChangeCase (wxCommandEvent &event) {
 307     switch (event.GetId()) {
 308         case myID_CHANGELOWER: {
 309             CmdKeyExecute (wxSTC_CMD_LOWERCASE);
 310             break;
 311         }
 312         case myID_CHANGEUPPER: {
 313             CmdKeyExecute (wxSTC_CMD_UPPERCASE);
 314             break;
 315         }
 316     }
 317 }
 318
 319 void Edit::OnConvertEOL (wxCommandEvent &event) {
 320     int eolMode = GetEOLMode();
 321     switch (event.GetId()) {
 322         case myID_CONVERTCR: { eolMode = wxSTC_EOL_CR; break;}
 323         case myID_CONVERTCRLF: { eolMode = wxSTC_EOL_CRLF; break;}
 324         case myID_CONVERTLF: { eolMode = wxSTC_EOL_LF; break;}
 325     }
 326     ConvertEOLs (eolMode);
 327     SetEOLMode (eolMode);
 328 }
 329
 330 //! misc
 331 void Edit::OnMarginClick (wxStyledTextEvent &event) {
 332     if (event.GetMargin() == 2) {
 333         int lineClick = LineFromPosition (event.GetPosition());
 334         int levelClick = GetFoldLevel (lineClick);
 335         if ((levelClick & wxSTC_FOLDLEVELHEADERFLAG) > 0) {
 336             ToggleFold (lineClick);
 337         }
 338     }
 339 }
 340
 341 void Edit::OnCharAdded (wxStyledTextEvent &event) {
 342     char chr = event.GetKey();
 343     int currentLine = GetCurrentLine();
 344     // Change this if support for mac files with \r is needed
 345     if (chr == '\n') {
 346         int lineInd = 0;
 347         if (currentLine > 0) {
 348             lineInd = GetLineIndentation(currentLine - 1);
 349         }
 350         if (lineInd == 0) return;
 351         SetLineIndentation (currentLine, lineInd);
 352         GotoPos(PositionFromLine (currentLine) + lineInd);
 353     }
 354 }
 355
 356
 357 //----------------------------------------------------------------------------
 358 // private functions
 359 wxString Edit::DeterminePrefs (const wxString &filename) {
 360
 361     LanguageInfo const* curInfo;
 362
 363     // determine language from filepatterns
 364     int languageNr;
 365     for (languageNr = 0; languageNr < g_LanguagePrefsSize; languageNr++) {
 366         curInfo = &g_LanguagePrefs [languageNr];
 367         wxString filepattern = curInfo->filepattern;
 368         filepattern.Lower();
 369         while (!filepattern.IsEmpty()) {
 370             wxString cur = filepattern.BeforeFirst (';');
 371             if ((cur == filename) ||
 372                 (cur == (filename.BeforeLast ('.') + _T(".*"))) ||
 373                 (cur == (_T("*.") + filename.AfterLast ('.')))) {
 374                 return curInfo->name;
 375             }
 376             filepattern = filepattern.AfterFirst (';');
 377         }
 378     }
 379     return wxEmptyString;
 380
 381 }
 382
 383 bool Edit::InitializePrefs (const wxString &name) {
 384
 385     // initialize styles
 386     StyleClearAll();
 387     LanguageInfo const* curInfo = NULL;
 388
 389     // determine language
 390     bool found = false;
 391     int languageNr;
 392     for (languageNr = 0; languageNr < g_LanguagePrefsSize; languageNr++) {
 393         curInfo = &g_LanguagePrefs [languageNr];
 394         if (curInfo->name == name) {
 395             found = true;
 396             break;
 397         }
 398     }
 399     if (!found) return false;
 400
 401     // set lexer and language
 402     SetLexer (curInfo->lexer);
 403     m_language = curInfo;
 404
 405     // set margin for line numbers
 406     SetMarginType (m_LineNrID, wxSTC_MARGIN_NUMBER);
 407     StyleSetForeground (wxSTC_STYLE_LINENUMBER, wxColour (_T("DARK GREY")));
 408     StyleSetBackground (wxSTC_STYLE_LINENUMBER, wxColour (_T("WHITE")));
 409     SetMarginWidth (m_LineNrID, 0); // start out not visible
 410
 411     // default fonts for all styles!
 412     int Nr;
 413     for (Nr = 0; Nr < wxSTC_STYLE_LASTPREDEFINED; Nr++) {
 414         wxFont font (10, wxMODERN, wxNORMAL, wxNORMAL);
 415         StyleSetFont (Nr, font);
 416     }
 417
 418     // set common styles
 419     StyleSetForeground (wxSTC_STYLE_DEFAULT, wxColour (_T("DARK GREY")));
 420     StyleSetForeground (wxSTC_STYLE_INDENTGUIDE, wxColour (_T("DARK GREY")));
 421
 422     // initialize settings
 423     if (g_CommonPrefs.syntaxEnable) {
 424         int keywordnr = 0;
 425         for (Nr = 0; Nr < STYLE_TYPES_COUNT; Nr++) {
 426             if (curInfo->styles[Nr].type == -1) continue;
 427             const StyleInfo &curType = g_StylePrefs [curInfo->styles[Nr].type];
 428             wxFont font (curType.fontsize, wxMODERN, wxNORMAL, wxNORMAL, false,
 429                          curType.fontname);
 430             StyleSetFont (Nr, font);
 431             if (curType.foreground) {
 432                 StyleSetForeground (Nr, wxColour (curType.foreground));
 433             }
 434             if (curType.background) {
 435                 StyleSetBackground (Nr, wxColour (curType.background));
 436             }
 437             StyleSetBold (Nr, (curType.fontstyle & mySTC_STYLE_BOLD) > 0);
 438             StyleSetItalic (Nr, (curType.fontstyle & mySTC_STYLE_ITALIC) > 0);
 439             StyleSetUnderline (Nr, (curType.fontstyle & mySTC_STYLE_UNDERL) > 0);
 440             StyleSetVisible (Nr, (curType.fontstyle & mySTC_STYLE_HIDDEN) == 0);
 441             StyleSetCase (Nr, curType.lettercase);
 442             const wxChar *pwords = curInfo->styles[Nr].words;
 443             if (pwords) {
 444                 SetKeyWords (keywordnr, pwords);
 445                 keywordnr += 1;
 446             }
 447         }
 448     }
 449
 450     // set margin as unused
 451     SetMarginType (m_DividerID, wxSTC_MARGIN_SYMBOL);
 452     SetMarginWidth (m_DividerID, 0);
 453     SetMarginSensitive (m_DividerID, false);
 454
 455     // folding
 456     SetMarginType (m_FoldingID, wxSTC_MARGIN_SYMBOL);
 457     SetMarginMask (m_FoldingID, wxSTC_MASK_FOLDERS);
 458     StyleSetBackground (m_FoldingID, wxColour (_T("WHITE")));
 459     SetMarginWidth (m_FoldingID, 0);
 460     SetMarginSensitive (m_FoldingID, false);
 461     if (g_CommonPrefs.foldEnable) {
 462         SetMarginWidth (m_FoldingID, curInfo->folds != 0? m_FoldingMargin: 0);
 463         SetMarginSensitive (m_FoldingID, curInfo->folds != 0);
 464         SetProperty (_T("fold"), curInfo->folds != 0? _T("1"): _T("0"));
 465         SetProperty (_T("fold.comment"),
 466                      (curInfo->folds & mySTC_FOLD_COMMENT) > 0? _T("1"): _T("0"));
 467         SetProperty (_T("fold.compact"),
 468                      (curInfo->folds & mySTC_FOLD_COMPACT) > 0? _T("1"): _T("0"));
 469         SetProperty (_T("fold.preprocessor"),
 470                      (curInfo->folds & mySTC_FOLD_PREPROC) > 0? _T("1"): _T("0"));
 471         SetProperty (_T("fold.html"),
 472                      (curInfo->folds & mySTC_FOLD_HTML) > 0? _T("1"): _T("0"));
 473         SetProperty (_T("fold.html.preprocessor"),
 474                      (curInfo->folds & mySTC_FOLD_HTMLPREP) > 0? _T("1"): _T("0"));
 475         SetProperty (_T("fold.comment.python"),
 476                      (curInfo->folds & mySTC_FOLD_COMMENTPY) > 0? _T("1"): _T("0"));
 477         SetProperty (_T("fold.quotes.python"),
 478                      (curInfo->folds & mySTC_FOLD_QUOTESPY) > 0? _T("1"): _T("0"));
 479     }
 480     SetFoldFlags (wxSTC_FOLDFLAG_LINEBEFORE_CONTRACTED |
 481                   wxSTC_FOLDFLAG_LINEAFTER_CONTRACTED);
 482
 483     // set spaces and indention
 484     SetTabWidth (4);
 485     SetUseTabs (false);
 486     SetTabIndents (true);
 487     SetBackSpaceUnIndents (true);
 488     SetIndent (g_CommonPrefs.indentEnable? 4: 0);
 489
 490     // others
 491     SetViewEOL (g_CommonPrefs.displayEOLEnable);
 492     SetIndentationGuides (g_CommonPrefs.indentGuideEnable);
 493     SetEdgeColumn (80);
 494     SetEdgeMode (g_CommonPrefs.longLineOnEnable? wxSTC_EDGE_LINE: wxSTC_EDGE_NONE);
 495     SetViewWhiteSpace (g_CommonPrefs.whiteSpaceEnable?
 496                        wxSTC_WS_VISIBLEALWAYS: wxSTC_WS_INVISIBLE);
 497     SetOvertype (g_CommonPrefs.overTypeInitial);
 498     SetReadOnly (g_CommonPrefs.readOnlyInitial);
 499     SetWrapMode (g_CommonPrefs.wrapModeInitial?
 500                  wxSTC_WRAP_WORD: wxSTC_WRAP_NONE);
 501
 502     return true;
 503 }
 504
 505 bool Edit::LoadFile () {
 506
 507     // get filname
 508     if (!m_filename) {
 509         wxFileDialog dlg (this, _T("Open file"), _T(""), _T(""),
 510                           _T("Any file (*)|*"), wxOPEN | wxFILE_MUST_EXIST | wxCHANGE_DIR);
 511         if (dlg.ShowModal() != wxID_OK) return false;
 512         m_filename = dlg.GetPath();
 513     }
 514
 515     // load file
 516     return LoadFile (m_filename);
 517 }
 518
 519 bool Edit::LoadFile (const wxString &filename) {
 520
 521     // load file in edit and clear undo
 522     if (!filename.IsEmpty()) m_filename = filename;
 523 //     wxFile file (m_filename);
 524 //     if (!file.IsOpened()) return false;
 525     ClearAll ();
 526 //     long lng = file.Length ();
 527 //     if (lng > 0) {
 528 //         wxString buf;
 529 //         wxChar *buff = buf.GetWriteBuf (lng);
 530 //         file.Read (buff, lng);
 531 //         buf.UngetWriteBuf ();
 532 //         InsertText (0, buf);
 533 //     }
 534 //     file.Close();
 535
 536     wxStyledTextCtrl::LoadFile(m_filename);
 537
 538     EmptyUndoBuffer();
 539
 540     // determine lexer language
 541     wxFileName fname (m_filename);
 542     InitializePrefs (DeterminePrefs (fname.GetFullName()));
 543
 544     return true;
 545 }
 546
 547 bool Edit::SaveFile () {
 548
 549     // return if no change
 550     if (!Modified()) return true;
 551
 552     // get filname
 553     if (!m_filename) {
 554         wxFileDialog dlg (this, _T("Save file"), _T(""), _T(""), _T("Any file (*)|*"),
 555                           wxSAVE | wxOVERWRITE_PROMPT);
 556         if (dlg.ShowModal() != wxID_OK) return false;
 557         m_filename = dlg.GetPath();
 558     }
 559
 560     // save file
 561     return SaveFile (m_filename);
 562 }
 563
 564 bool Edit::SaveFile (const wxString &filename) {
 565
 566     // return if no change
 567     if (!Modified()) return true;
 568
 569 //     // save edit in file and clear undo
 570 //     if (!filename.IsEmpty()) m_filename = filename;
 571 //     wxFile file (m_filename, wxFile::write);
 572 //     if (!file.IsOpened()) return false;
 573 //     wxString buf = GetText();
 574 //     bool okay = file.Write (buf);
 575 //     file.Close();
 576 //     if (!okay) return false;
 577 //     EmptyUndoBuffer();
 578 //     SetSavePoint();
 579
 580 //     return true;
 581
 582     return wxStyledTextCtrl::SaveFile(filename);
 583
 584 }
 585
 586 bool Edit::Modified () {
 587
 588     // return modified state
 589     return (GetModify() && !GetReadOnly());
 590 }
 591
 592 //----------------------------------------------------------------------------
 593 // EditProperties
 594 //----------------------------------------------------------------------------
 595
 596 EditProperties::EditProperties (Edit *edit,
 597                                 long style)
 598         : wxDialog (edit, -1, wxEmptyString,
 599                     wxDefaultPosition, wxDefaultSize,
 600                     style | wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) {
 601
 602     // sets the application title
 603     SetTitle (_("Properties"));
 604     wxString text;
 605
 606     // fullname
 607     wxBoxSizer *fullname = new wxBoxSizer (wxHORIZONTAL);
 608     fullname->Add (10, 0);
 609     fullname->Add (new wxStaticText (this, -1, _("Full filename"),
 610                                      wxDefaultPosition, wxSize(80, -1)),
 611                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL);
 612     fullname->Add (new wxStaticText (this, -1, edit->GetFilename()),
 613                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL);
 614
 615     // text info
 616     wxGridSizer *textinfo = new wxGridSizer (4, 0, 2);
 617     textinfo->Add (new wxStaticText (this, -1, _("Language"),
 618                                      wxDefaultPosition, wxSize(80, -1)),
 619                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 620     textinfo->Add (new wxStaticText (this, -1, edit->m_language->name),
 621                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 622     textinfo->Add (new wxStaticText (this, -1, _("Lexer-ID: "),
 623                                      wxDefaultPosition, wxSize(80, -1)),
 624                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 625     text = wxString::Format (_T("%d"), edit->GetLexer());
 626     textinfo->Add (new wxStaticText (this, -1, text),
 627                    0, wxALIGN_RIGHT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 628     wxString EOLtype = _T("");
 629     switch (edit->GetEOLMode()) {
 630         case wxSTC_EOL_CR: {EOLtype = _T("CR (Unix)"); break; }
 631         case wxSTC_EOL_CRLF: {EOLtype = _T("CRLF (Windows)"); break; }
 632         case wxSTC_EOL_LF: {EOLtype = _T("CR (Macintosh)"); break; }
 633     }
 634     textinfo->Add (new wxStaticText (this, -1, _("Line endings"),
 635                                      wxDefaultPosition, wxSize(80, -1)),
 636                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 637     textinfo->Add (new wxStaticText (this, -1, EOLtype),
 638                    0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 639
 640     // text info box
 641     wxStaticBoxSizer *textinfos = new wxStaticBoxSizer (
 642                      new wxStaticBox (this, -1, _("Informations")),
 643                      wxVERTICAL);
 644     textinfos->Add (textinfo, 0, wxEXPAND);
 645     textinfos->Add (0, 6);
 646
 647     // statistic
 648     wxGridSizer *statistic = new wxGridSizer (4, 0, 2);
 649     statistic->Add (new wxStaticText (this, -1, _("Total lines"),
 650                                      wxDefaultPosition, wxSize(80, -1)),
 651                     0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 652     text = wxString::Format (_T("%d"), edit->GetLineCount());
 653     statistic->Add (new wxStaticText (this, -1, text),
 654                     0, wxALIGN_RIGHT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 655     statistic->Add (new wxStaticText (this, -1, _("Total chars"),
 656                                      wxDefaultPosition, wxSize(80, -1)),
 657                     0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 658     text = wxString::Format (_T("%d"), edit->GetTextLength());
 659     statistic->Add (new wxStaticText (this, -1, text),
 660                     0, wxALIGN_RIGHT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 661     statistic->Add (new wxStaticText (this, -1, _("Current line"),
 662                                      wxDefaultPosition, wxSize(80, -1)),
 663                     0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 664     text = wxString::Format (_T("%d"), edit->GetCurrentLine());
 665     statistic->Add (new wxStaticText (this, -1, text),
 666                     0, wxALIGN_RIGHT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 667     statistic->Add (new wxStaticText (this, -1, _("Current pos"),
 668                                      wxDefaultPosition, wxSize(80, -1)),
 669                     0, wxALIGN_LEFT|wxALIGN_CENTER_VERTICAL|wxLEFT, 4);
 670     text = wxString::Format (_T("%d"), edit->GetCurrentPos());
 671     statistic->Add (new wxStaticText (this, -1, text),
 672                     0, wxALIGN_RIGHT|wxALIGN_CENTER_VERTICAL|wxRIGHT, 4);
 673
 674     // char/line statistics
 675     wxStaticBoxSizer *statistics = new wxStaticBoxSizer (
 676                      new wxStaticBox (this, -1, _("Statistics")),
 677                      wxVERTICAL);
 678     statistics->Add (statistic, 0, wxEXPAND);
 679     statistics->Add (0, 6);
 680
 681     // total pane
 682     wxBoxSizer *totalpane = new wxBoxSizer (wxVERTICAL);
 683     totalpane->Add (fullname, 0, wxEXPAND | wxLEFT | wxRIGHT | wxTOP, 10);
 684     totalpane->Add (0, 6);
 685     totalpane->Add (textinfos, 0, wxEXPAND | wxLEFT | wxRIGHT, 10);
 686     totalpane->Add (0, 10);
 687     totalpane->Add (statistics, 0, wxEXPAND | wxLEFT | wxRIGHT, 10);
 688     totalpane->Add (0, 6);
 689     wxButton *okButton = new wxButton (this, wxID_OK, _("OK"));
 690     okButton->SetDefault();
 691     totalpane->Add (okButton, 0, wxALIGN_CENTER | wxALL, 10);
 692
 693     SetSizerAndFit (totalpane);
 694
 695     ShowModal();
 696 }
 697
 698 //----------------------------------------------------------------------------
 699 // EditPrint
 700 //----------------------------------------------------------------------------
 701
 702 EditPrint::EditPrint (Edit *edit, wxChar *title)
 703               : wxPrintout(title) {
 704     m_edit = edit;
 705     m_printed = 0;
 706
 707 }
 708
 709 bool EditPrint::OnPrintPage (int page) {
 710
 711     wxDC *dc = GetDC();
 712     if (!dc) return false;
 713
 714     // scale DC
 715     PrintScaling (dc);
 716
 717     // print page
 718     if (page == 1) m_printed = 0;
 719     m_printed = m_edit->FormatRange (1, m_printed, m_edit->GetLength(),
 720                                      dc, dc, m_printRect, m_pageRect);
 721
 722     return true;
 723 }
 724
 725 bool EditPrint::OnBeginDocument (int startPage, int endPage) {
 726
 727     if (!wxPrintout::OnBeginDocument (startPage, endPage)) {
 728         return false;
 729     }
 730
 731     return true;
 732 }
 733
 734 void EditPrint::GetPageInfo (int *minPage, int *maxPage, int *selPageFrom, int *selPageTo) {
 735
 736     // initialize values
 737     *minPage = 0;
 738     *maxPage = 0;
 739     *selPageFrom = 0;
 740     *selPageTo = 0;
 741
 742     // scale DC if possible
 743     wxDC *dc = GetDC();
 744     if (!dc) return;
 745     PrintScaling (dc);
 746
 747     // get print page informations and convert to printer pixels
 748     wxSize ppiScr;
 749     GetPPIScreen (&ppiScr.x, &ppiScr.y);
 750     wxSize page = g_pageSetupData->GetPaperSize();
 751     page.x = static_cast<int> (page.x * ppiScr.x / 25.4);
 752     page.y = static_cast<int> (page.y * ppiScr.y / 25.4);
 753     m_pageRect = wxRect (0,
 754                          0,
 755                          page.x,
 756                          page.y);
 757
 758     // get margins informations and convert to printer pixels
 759     int  top = 25; // default 25
 760     int  bottom = 25; // default 25
 761     int  left = 20; // default 20
 762     int  right = 20; // default 20
 763     wxPoint (top, left) = g_pageSetupData->GetMarginTopLeft();
 764     wxPoint (bottom, right) = g_pageSetupData->GetMarginBottomRight();
 765     top = static_cast<int> (top * ppiScr.y / 25.4);
 766     bottom = static_cast<int> (bottom * ppiScr.y / 25.4);
 767     left = static_cast<int> (left * ppiScr.x / 25.4);
 768     right = static_cast<int> (right * ppiScr.x / 25.4);
 769     m_printRect = wxRect (left,
 770                           top,
 771                           page.x - (left + right),
 772                           page.y - (top + bottom));
 773
 774     // count pages
 775     while (HasPage (*maxPage)) {
 776         m_printed = m_edit->FormatRange (0, m_printed, m_edit->GetLength(),
 777                                        dc, dc, m_printRect, m_pageRect);
 778         *maxPage += 1;
 779     }
 780     if (*maxPage > 0) *minPage = 1;
 781     *selPageFrom = *minPage;
 782     *selPageTo = *maxPage;
 783 }
 784
 785 bool EditPrint::HasPage (int WXUNUSED(page)) {
 786
 787     return (m_printed < m_edit->GetLength());
 788 }
 789
 790 bool EditPrint::PrintScaling (wxDC *dc){
 791
 792     // check for dc, return if none
 793     if (!dc) return false;
 794
 795     // get printer and screen sizing values
 796     wxSize ppiScr;
 797     GetPPIScreen (&ppiScr.x, &ppiScr.y);
 798     if (ppiScr.x == 0) { // most possible guess 96 dpi
 799         ppiScr.x = 96;
 800         ppiScr.y = 96;
 801     }
 802     wxSize ppiPrt;
 803     GetPPIPrinter (&ppiPrt.x, &ppiPrt.y);
 804     if (ppiPrt.x == 0) { // scaling factor to 1
 805         ppiPrt.x = ppiScr.x;
 806         ppiPrt.y = ppiScr.y;
 807     }
 808     wxSize dcSize = dc->GetSize();
 809     wxSize pageSize;
 810     GetPageSizePixels (&pageSize.x, &pageSize.y);
 811
 812     // set user scale
 813     float scale_x = (float)(ppiPrt.x * dcSize.x) /
 814                     (float)(ppiScr.x * pageSize.x);
 815     float scale_y = (float)(ppiPrt.y * dcSize.y) /
 816                     (float)(ppiScr.y * pageSize.y);
 817     dc->SetUserScale (scale_x, scale_y);
 818
 819     return true;
 820 }
 821