samples/widgets/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        textctrl.cpp
   4 // Purpose:     part of the widgets sample showing wxTextCtrl
   5 // Author:      Vadim Zeitlin
   6 // Created:     27.03.01
   7 // Id:          $Id$
   8 // Copyright:   (c) 2001 Vadim Zeitlin
   9 // License:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  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
  28 #ifndef WX_PRECOMP
  29     #include "wx/log.h"
  30     #include "wx/timer.h"
  31
  32     #include "wx/bitmap.h"
  33     #include "wx/button.h"
  34     #include "wx/checkbox.h"
  35     #include "wx/radiobox.h"
  36     #include "wx/statbox.h"
  37     #include "wx/stattext.h"
  38     #include "wx/textctrl.h"
  39     #include "wx/msgdlg.h"
  40 #endif
  41
  42 #include "wx/sizer.h"
  43 #include "wx/ioswrap.h"
  44
  45 #include "widgets.h"
  46
  47 #include "icons/text.xpm"
  48
  49 // ----------------------------------------------------------------------------
  50 // constants
  51 // ----------------------------------------------------------------------------
  52
  53 // control ids
  54 enum
  55 {
  56     TextPage_Reset = wxID_HIGHEST,
  57
  58     TextPage_Set,
  59     TextPage_Add,
  60     TextPage_Insert,
  61     TextPage_Clear,
  62     TextPage_Load,
  63
  64     TextPage_StreamRedirector,
  65
  66     TextPage_Password,
  67     TextPage_WrapLines,
  68     TextPage_Textctrl
  69 };
  70
  71 // textctrl line number radiobox values
  72 enum TextLines
  73 {
  74     TextLines_Single,
  75     TextLines_Multi,
  76     TextLines_Max
  77 };
  78
  79 // wrap style radio box
  80 enum WrapStyle
  81 {
  82     WrapStyle_None,
  83     WrapStyle_Word,
  84     WrapStyle_Char,
  85     WrapStyle_Best,
  86     WrapStyle_Max
  87 };
  88
  89 #ifdef __WXMSW__
  90
  91 // textctrl kind values
  92 enum TextKind
  93 {
  94     TextKind_Plain,
  95     TextKind_Rich,
  96     TextKind_Rich2,
  97     TextKind_Max
  98 };
  99
 100 #endif // __WXMSW__
 101
 102 // default values for the controls
 103 static const struct ControlValues
 104 {
 105     TextLines textLines;
 106
 107     bool password;
 108     bool readonly;
 109     bool filename;
 110
 111     WrapStyle wrapStyle;
 112
 113 #ifdef __WXMSW__
 114     TextKind textKind;
 115 #endif // __WXMSW__
 116 } DEFAULTS =
 117 {
 118     TextLines_Multi,    // multiline
 119     false,              // not password
 120     false,              // not readonly
 121     false,              // not filename
 122     WrapStyle_Word,     // wrap on word boundaries
 123 #ifdef __WXMSW__
 124     TextKind_Plain      // plain EDIT control
 125 #endif // __WXMSW__
 126 };
 127
 128 // ----------------------------------------------------------------------------
 129 // TextWidgetsPage
 130 // ----------------------------------------------------------------------------
 131
 132 // Define a new frame type: this is going to be our main frame
 133 class TextWidgetsPage : public WidgetsPage
 134 {
 135 public:
 136     // ctor(s) and dtor
 137     TextWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
 138     virtual ~TextWidgetsPage(){};
 139
 140     virtual wxControl *GetWidget() const { return m_text; }
 141     virtual void RecreateWidget() { CreateText(); }
 142
 143     // lazy creation of the content
 144     virtual void CreateContent();
 145
 146 protected:
 147     // create an info text contorl
 148     wxTextCtrl *CreateInfoText();
 149
 150     // create a horz sizer holding a static text and this text control
 151     wxSizer *CreateTextWithLabelSizer(const wxString& label,
 152                                       wxTextCtrl *text,
 153                                       const wxString& label2 = wxEmptyString,
 154                                       wxTextCtrl *text2 = NULL);
 155
 156     // event handlers
 157     void OnButtonReset(wxCommandEvent& event);
 158     void OnButtonClearLog(wxCommandEvent& event);
 159
 160     void OnButtonSet(wxCommandEvent& event);
 161     void OnButtonAdd(wxCommandEvent& event);
 162     void OnButtonInsert(wxCommandEvent& event);
 163     void OnButtonClear(wxCommandEvent& event);
 164     void OnButtonLoad(wxCommandEvent& event);
 165
 166     void OnStreamRedirector(wxCommandEvent& event);
 167     void OnButtonQuit(wxCommandEvent& event);
 168
 169     void OnText(wxCommandEvent& event);
 170     void OnTextEnter(wxCommandEvent& event);
 171
 172     void OnCheckOrRadioBox(wxCommandEvent& event);
 173
 174     void OnUpdateUIClearButton(wxUpdateUIEvent& event);
 175
 176     void OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event);
 177     void OnUpdateUIWrapLinesCheckbox(wxUpdateUIEvent& event);
 178
 179     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
 180
 181     void OnIdle(wxIdleEvent& event);
 182
 183     // reset the textctrl parameters
 184     void Reset();
 185
 186     // (re)create the textctrl
 187     void CreateText();
 188
 189     // is the control currently single line?
 190     bool IsSingleLine() const
 191     {
 192         return m_radioTextLines->GetSelection() == TextLines_Single;
 193     }
 194
 195     // the controls
 196     // ------------
 197
 198     // the radiobox to choose between single and multi line
 199     wxRadioBox *m_radioTextLines;
 200
 201     // and another one to choose the wrapping style
 202     wxRadioBox *m_radioWrap;
 203
 204     // the checkboxes controlling text ctrl styles
 205     wxCheckBox *m_chkPassword,
 206                *m_chkReadonly,
 207                *m_chkFilename;
 208
 209     // under MSW we test rich edit controls as well here
 210 #ifdef __WXMSW__
 211     wxRadioBox *m_radioKind;
 212 #endif // __WXMSW__
 213
 214     // the textctrl itself and the sizer it is in
 215     wxTextCtrl *m_text;
 216     wxSizer *m_sizerText;
 217
 218     // the information text zones
 219     wxTextCtrl *m_textPosCur,
 220                *m_textRowCur,
 221                *m_textColCur,
 222                *m_textPosLast,
 223                *m_textLineLast,
 224                *m_textSelFrom,
 225                *m_textSelTo,
 226                *m_textRange;
 227
 228     // and the data to show in them
 229     long m_posCur,
 230          m_posLast,
 231          m_selFrom,
 232          m_selTo;
 233
 234     wxString m_range10_20;
 235
 236 private:
 237     // any class wishing to process wxWidgets events must use this macro
 238     DECLARE_EVENT_TABLE()
 239     DECLARE_WIDGETS_PAGE(TextWidgetsPage)
 240 };
 241
 242 // ----------------------------------------------------------------------------
 243 // WidgetsTextCtrl
 244 // ----------------------------------------------------------------------------
 245
 246 class WidgetsTextCtrl : public wxTextCtrl
 247 {
 248 public:
 249     WidgetsTextCtrl(wxWindow *parent,
 250                     wxWindowID id,
 251                     const wxString& value,
 252                     int flags)
 253         : wxTextCtrl(parent, id, value, wxDefaultPosition, wxDefaultSize, flags)
 254     {
 255     }
 256
 257 protected:
 258     void OnRightClick(wxMouseEvent& event)
 259     {
 260         wxString where;
 261         wxTextCoord x, y;
 262         switch ( HitTest(event.GetPosition(), &x, &y) )
 263         {
 264             default:
 265                 wxFAIL_MSG( _T("unexpected HitTest() result") );
 266                 // fall through
 267
 268             case wxTE_HT_UNKNOWN:
 269                 x = y = -1;
 270                 where = _T("nowhere near");
 271                 break;
 272
 273             case wxTE_HT_BEFORE:
 274                 where = _T("before");
 275                 break;
 276
 277             case wxTE_HT_BELOW:
 278                 where = _T("below");
 279                 break;
 280
 281             case wxTE_HT_BEYOND:
 282                 where = _T("beyond");
 283                 break;
 284
 285             case wxTE_HT_ON_TEXT:
 286                 where = _T("at");
 287                 break;
 288         }
 289
 290         wxLogMessage(_T("Mouse is %s (%ld, %ld)"), where.c_str(), x, y);
 291
 292         event.Skip();
 293     }
 294
 295 private:
 296     DECLARE_EVENT_TABLE()
 297 };
 298
 299 // ----------------------------------------------------------------------------
 300 // event tables
 301 // ----------------------------------------------------------------------------
 302
 303 BEGIN_EVENT_TABLE(TextWidgetsPage, WidgetsPage)
 304     EVT_IDLE(TextWidgetsPage::OnIdle)
 305
 306     EVT_BUTTON(TextPage_Reset, TextWidgetsPage::OnButtonReset)
 307
 308     EVT_BUTTON(TextPage_StreamRedirector, TextWidgetsPage::OnStreamRedirector)
 309
 310     EVT_BUTTON(TextPage_Clear, TextWidgetsPage::OnButtonClear)
 311     EVT_BUTTON(TextPage_Set, TextWidgetsPage::OnButtonSet)
 312     EVT_BUTTON(TextPage_Add, TextWidgetsPage::OnButtonAdd)
 313     EVT_BUTTON(TextPage_Insert, TextWidgetsPage::OnButtonInsert)
 314     EVT_BUTTON(TextPage_Load, TextWidgetsPage::OnButtonLoad)
 315
 316     EVT_UPDATE_UI(TextPage_Clear, TextWidgetsPage::OnUpdateUIClearButton)
 317
 318     EVT_UPDATE_UI(TextPage_Password, TextWidgetsPage::OnUpdateUIPasswordCheckbox)
 319     EVT_UPDATE_UI(TextPage_WrapLines, TextWidgetsPage::OnUpdateUIWrapLinesCheckbox)
 320
 321     EVT_UPDATE_UI(TextPage_Reset, TextWidgetsPage::OnUpdateUIResetButton)
 322
 323     EVT_TEXT(TextPage_Textctrl, TextWidgetsPage::OnText)
 324     EVT_TEXT_ENTER(TextPage_Textctrl, TextWidgetsPage::OnTextEnter)
 325
 326     EVT_CHECKBOX(wxID_ANY, TextWidgetsPage::OnCheckOrRadioBox)
 327     EVT_RADIOBOX(wxID_ANY, TextWidgetsPage::OnCheckOrRadioBox)
 328 END_EVENT_TABLE()
 329
 330 BEGIN_EVENT_TABLE(WidgetsTextCtrl, wxTextCtrl)
 331     EVT_RIGHT_UP(WidgetsTextCtrl::OnRightClick)
 332 END_EVENT_TABLE()
 333
 334 // ============================================================================
 335 // implementation
 336 // ============================================================================
 337
 338 #if defined(__WXX11__)
 339     #define FAMILY_CTRLS NATIVE_CTRLS
 340 #elif defined(__WXUNIVERSAL__)
 341     #define FAMILY_CTRLS UNIVERSAL_CTRLS
 342 #else
 343     #define FAMILY_CTRLS NATIVE_CTRLS
 344 #endif
 345
 346 IMPLEMENT_WIDGETS_PAGE(TextWidgetsPage, _T("Text"),
 347                        FAMILY_CTRLS | EDITABLE_CTRLS
 348                        );
 349
 350 // ----------------------------------------------------------------------------
 351 // TextWidgetsPage creation
 352 // ----------------------------------------------------------------------------
 353
 354 TextWidgetsPage::TextWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist)
 355                : WidgetsPage(book, imaglist, text_xpm)
 356 {
 357     // init everything
 358 #ifdef __WXMSW__
 359     m_radioKind =
 360 #endif // __WXMSW__
 361     m_radioWrap =
 362     m_radioTextLines = (wxRadioBox *)NULL;
 363
 364     m_chkPassword =
 365     m_chkReadonly =
 366     m_chkFilename = (wxCheckBox *)NULL;
 367
 368     m_text =
 369     m_textPosCur =
 370     m_textRowCur =
 371     m_textColCur =
 372     m_textPosLast =
 373     m_textLineLast =
 374     m_textSelFrom =
 375     m_textSelTo =
 376     m_textRange = (wxTextCtrl *)NULL;
 377
 378     m_sizerText = (wxSizer *)NULL;
 379
 380     m_posCur =
 381     m_posLast =
 382     m_selFrom =
 383     m_selTo = -2; // not -1 which means "no selection"
 384 }
 385
 386 void TextWidgetsPage::CreateContent()
 387 {
 388     // left pane
 389     static const wxString modes[] =
 390     {
 391         _T("single line"),
 392         _T("multi line"),
 393     };
 394
 395     wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set textctrl parameters"));
 396     m_radioTextLines = new wxRadioBox(this, wxID_ANY, _T("&Number of lines:"),
 397                                       wxDefaultPosition, wxDefaultSize,
 398                                       WXSIZEOF(modes), modes,
 399                                       1, wxRA_SPECIFY_COLS);
 400
 401     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 402
 403     sizerLeft->Add(m_radioTextLines, 0, wxGROW | wxALL, 5);
 404     sizerLeft->AddSpacer(5);
 405
 406     m_chkPassword = CreateCheckBoxAndAddToSizer(
 407                         sizerLeft, _T("&Password control"), TextPage_Password
 408                     );
 409     m_chkReadonly = CreateCheckBoxAndAddToSizer(
 410                         sizerLeft, _T("&Read-only mode")
 411                     );
 412     m_chkFilename = CreateCheckBoxAndAddToSizer(
 413                         sizerLeft, _T("&Filename control")
 414                     );
 415     m_chkFilename->Disable(); // not implemented yet
 416     sizerLeft->AddSpacer(5);
 417
 418     static const wxString wrap[] =
 419     {
 420         _T("no wrap"),
 421         _T("word wrap"),
 422         _T("char wrap"),
 423         _T("best wrap"),
 424     };
 425
 426     m_radioWrap = new wxRadioBox(this, wxID_ANY, _T("&Wrap style:"),
 427                                  wxDefaultPosition, wxDefaultSize,
 428                                  WXSIZEOF(wrap), wrap,
 429                                  1, wxRA_SPECIFY_COLS);
 430     sizerLeft->Add(m_radioWrap, 0, wxGROW | wxALL, 5);
 431
 432 #ifdef __WXMSW__
 433     static const wxString kinds[] =
 434     {
 435         _T("plain edit"),
 436         _T("rich edit"),
 437         _T("rich edit 2.0"),
 438     };
 439
 440     m_radioKind = new wxRadioBox(this, wxID_ANY, _T("Control &kind"),
 441                                  wxDefaultPosition, wxDefaultSize,
 442                                  WXSIZEOF(kinds), kinds,
 443                                  1, wxRA_SPECIFY_COLS);
 444
 445     sizerLeft->AddSpacer(5);
 446     sizerLeft->Add(m_radioKind, 0, wxGROW | wxALL, 5);
 447 #endif // __WXMSW__
 448
 449     wxButton *btn = new wxButton(this, TextPage_Reset, _T("&Reset"));
 450     sizerLeft->Add(2, 2, 0, wxGROW | wxALL, 1); // spacer
 451     sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 452
 453     // middle pane
 454     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, _T("&Change contents:"));
 455     wxSizer *sizerMiddleUp = new wxStaticBoxSizer(box2, wxVERTICAL);
 456
 457     btn = new wxButton(this, TextPage_Set, _T("&Set text value"));
 458     sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
 459
 460     btn = new wxButton(this, TextPage_Add, _T("&Append text"));
 461     sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
 462
 463     btn = new wxButton(this, TextPage_Insert, _T("&Insert text"));
 464     sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
 465
 466     btn = new wxButton(this, TextPage_Load, _T("&Load file"));
 467     sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
 468
 469     btn = new wxButton(this, TextPage_Clear, _T("&Clear"));
 470     sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
 471
 472     btn = new wxButton(this, TextPage_StreamRedirector, _T("St&ream redirection"));
 473     sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
 474
 475     wxStaticBox *box4 = new wxStaticBox(this, wxID_ANY, _T("&Info:"));
 476     wxSizer *sizerMiddleDown = new wxStaticBoxSizer(box4, wxVERTICAL);
 477
 478     m_textPosCur = CreateInfoText();
 479     m_textRowCur = CreateInfoText();
 480     m_textColCur = CreateInfoText();
 481
 482     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
 483     sizerRow->Add(CreateTextWithLabelSizer
 484                   (
 485                     _T("Current pos:"),
 486                     m_textPosCur
 487                   ),
 488                   0, wxRIGHT, 5);
 489     sizerRow->Add(CreateTextWithLabelSizer
 490                   (
 491                     _T("Col:"),
 492                     m_textColCur
 493                   ),
 494                   0, wxLEFT | wxRIGHT, 5);
 495     sizerRow->Add(CreateTextWithLabelSizer
 496                   (
 497                     _T("Row:"),
 498                     m_textRowCur
 499                   ),
 500                   0, wxLEFT, 5);
 501     sizerMiddleDown->Add(sizerRow, 0, wxALL, 5);
 502
 503     m_textLineLast = CreateInfoText();
 504     m_textPosLast = CreateInfoText();
 505     sizerMiddleDown->Add
 506                      (
 507                         CreateTextWithLabelSizer
 508                         (
 509                           _T("Number of lines:"),
 510                           m_textLineLast,
 511                           _T("Last position:"),
 512                           m_textPosLast
 513                         ),
 514                         0, wxALL, 5
 515                      );
 516
 517     m_textSelFrom = CreateInfoText();
 518     m_textSelTo = CreateInfoText();
 519     sizerMiddleDown->Add
 520                      (
 521                         CreateTextWithLabelSizer
 522                         (
 523                           _T("Selection: from"),
 524                           m_textSelFrom,
 525                           _T("to"),
 526                           m_textSelTo
 527                         ),
 528                         0, wxALL, 5
 529                      );
 530
 531     m_textRange = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
 532                                  wxDefaultPosition, wxDefaultSize,
 533                                  wxTE_READONLY);
 534     sizerMiddleDown->Add
 535                      (
 536                         CreateTextWithLabelSizer
 537                         (
 538                           _T("Range 10..20:"),
 539                           m_textRange
 540                         ),
 541                         0, wxALL, 5
 542                      );
 543
 544     wxSizer *sizerMiddle = new wxBoxSizer(wxVERTICAL);
 545     sizerMiddle->Add(sizerMiddleUp, 0, wxGROW);
 546     sizerMiddle->Add(sizerMiddleDown, 1, wxGROW | wxTOP, 5);
 547
 548     // right pane
 549     wxStaticBox *box3 = new wxStaticBox(this, wxID_ANY, _T("&Text:"));
 550     m_sizerText = new wxStaticBoxSizer(box3, wxHORIZONTAL);
 551     Reset();
 552     CreateText();
 553     m_sizerText->SetMinSize(150, 0);
 554
 555     // the 3 panes panes compose the upper part of the window
 556     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 557     sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
 558     sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
 559     sizerTop->Add(m_sizerText, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 560
 561     SetSizer(sizerTop);
 562 }
 563
 564 // ----------------------------------------------------------------------------
 565 // creation helpers
 566 // ----------------------------------------------------------------------------
 567
 568 wxTextCtrl *TextWidgetsPage::CreateInfoText()
 569 {
 570     static int s_maxWidth = 0;
 571     if ( !s_maxWidth )
 572     {
 573         // calc it once only
 574         GetTextExtent(_T("9999999"), &s_maxWidth, NULL);
 575     }
 576
 577     wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
 578                                       wxDefaultPosition,
 579                                       wxSize(s_maxWidth, wxDefaultCoord),
 580                                       wxTE_READONLY);
 581     return text;
 582 }
 583
 584 wxSizer *TextWidgetsPage::CreateTextWithLabelSizer(const wxString& label,
 585                                                  wxTextCtrl *text,
 586                                                  const wxString& label2,
 587                                                  wxTextCtrl *text2)
 588 {
 589     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
 590     sizerRow->Add(new wxStaticText(this, wxID_ANY, label), 0,
 591                   wxALIGN_CENTRE_VERTICAL | wxRIGHT, 5);
 592     sizerRow->Add(text, 0, wxALIGN_CENTRE_VERTICAL);
 593     if ( text2 )
 594     {
 595         sizerRow->Add(new wxStaticText(this, wxID_ANY, label2), 0,
 596                       wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, 5);
 597         sizerRow->Add(text2, 0, wxALIGN_CENTRE_VERTICAL);
 598     }
 599
 600     return sizerRow;
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // operations
 605 // ----------------------------------------------------------------------------
 606
 607 void TextWidgetsPage::Reset()
 608 {
 609     m_radioTextLines->SetSelection(DEFAULTS.textLines);
 610
 611     m_chkPassword->SetValue(DEFAULTS.password);
 612     m_chkReadonly->SetValue(DEFAULTS.readonly);
 613     m_chkFilename->SetValue(DEFAULTS.filename);
 614
 615     m_radioWrap->SetSelection(DEFAULTS.wrapStyle);
 616
 617 #ifdef __WXMSW__
 618     m_radioKind->SetSelection(DEFAULTS.textKind);
 619 #endif // __WXMSW__
 620 }
 621
 622 void TextWidgetsPage::CreateText()
 623 {
 624     int flags = ms_defaultFlags;
 625     switch ( m_radioTextLines->GetSelection() )
 626     {
 627         default:
 628             wxFAIL_MSG( _T("unexpected lines radio box selection") );
 629
 630         case TextLines_Single:
 631             break;
 632
 633         case TextLines_Multi:
 634             flags |= wxTE_MULTILINE;
 635             m_chkPassword->SetValue(false);
 636             break;
 637     }
 638
 639     if ( m_chkPassword->GetValue() )
 640         flags |= wxTE_PASSWORD;
 641     if ( m_chkReadonly->GetValue() )
 642         flags |= wxTE_READONLY;
 643
 644     switch ( m_radioWrap->GetSelection() )
 645     {
 646         default:
 647             wxFAIL_MSG( _T("unexpected wrap style radio box selection") );
 648
 649         case WrapStyle_None:
 650             flags |= wxTE_DONTWRAP; // same as wxHSCROLL
 651             break;
 652
 653         case WrapStyle_Word:
 654             flags |= wxTE_WORDWRAP;
 655             break;
 656
 657         case WrapStyle_Char:
 658             flags |= wxTE_CHARWRAP;
 659             break;
 660
 661         case WrapStyle_Best:
 662             // this is default but use symbolic file name for consistency
 663             flags |= wxTE_BESTWRAP;
 664             break;
 665     }
 666
 667 #ifdef __WXMSW__
 668     switch ( m_radioKind->GetSelection() )
 669     {
 670         default:
 671             wxFAIL_MSG( _T("unexpected kind radio box selection") );
 672
 673         case TextKind_Plain:
 674             break;
 675
 676         case TextKind_Rich:
 677             flags |= wxTE_RICH;
 678             break;
 679
 680         case TextKind_Rich2:
 681             flags |= wxTE_RICH2;
 682             break;
 683     }
 684 #endif // __WXMSW__
 685
 686     wxString valueOld;
 687     if ( m_text )
 688     {
 689         valueOld = m_text->GetValue();
 690
 691         m_sizerText->Detach( m_text );
 692         delete m_text;
 693     }
 694     else
 695     {
 696         valueOld = _T("Hello, Universe!");
 697     }
 698
 699     m_text = new WidgetsTextCtrl(this, TextPage_Textctrl, valueOld, flags);
 700
 701 #if 0
 702     if ( m_chkFilename->GetValue() )
 703         ;
 704 #endif // TODO
 705
 706     // cast to int needed to silence gcc warning about different enums
 707     m_sizerText->Add(m_text, 1, wxALL |
 708                      (flags & wxTE_MULTILINE ? (int)wxGROW
 709                                              : wxALIGN_TOP), 5);
 710     m_sizerText->Layout();
 711 }
 712
 713 // ----------------------------------------------------------------------------
 714 // event handlers
 715 // ----------------------------------------------------------------------------
 716
 717 void TextWidgetsPage::OnIdle(wxIdleEvent& WXUNUSED(event))
 718 {
 719     // update all info texts
 720
 721     if ( m_textPosCur )
 722     {
 723         long posCur = m_text->GetInsertionPoint();
 724         if ( posCur != m_posCur )
 725         {
 726             m_textPosCur->Clear();
 727             m_textRowCur->Clear();
 728             m_textColCur->Clear();
 729
 730             long col, row;
 731             m_text->PositionToXY(posCur, &col, &row);
 732
 733             *m_textPosCur << posCur;
 734             *m_textRowCur << row;
 735             *m_textColCur << col;
 736
 737             m_posCur = posCur;
 738         }
 739     }
 740
 741     if ( m_textPosLast )
 742     {
 743         long posLast = m_text->GetLastPosition();
 744         if ( posLast != m_posLast )
 745         {
 746             m_textPosLast->Clear();
 747             *m_textPosLast << posLast;
 748
 749             m_posLast = posLast;
 750         }
 751     }
 752
 753     if ( m_textLineLast )
 754     {
 755         m_textLineLast->SetValue(
 756                 wxString::Format(_T("%d"), m_text->GetNumberOfLines()) );
 757     }
 758
 759     if ( m_textSelFrom && m_textSelTo )
 760     {
 761         long selFrom, selTo;
 762         m_text->GetSelection(&selFrom, &selTo);
 763         if ( selFrom != m_selFrom )
 764         {
 765             m_textSelFrom->Clear();
 766             *m_textSelFrom << selFrom;
 767
 768             m_selFrom = selFrom;
 769         }
 770
 771         if ( selTo != m_selTo )
 772         {
 773             m_textSelTo->Clear();
 774             *m_textSelTo << selTo;
 775
 776             m_selTo = selTo;
 777         }
 778     }
 779
 780     if ( m_textRange )
 781     {
 782         wxString range = m_text->GetRange(10, 20);
 783         if ( range != m_range10_20 )
 784         {
 785             m_range10_20 = range;
 786             m_textRange->SetValue(range);
 787         }
 788     }
 789 }
 790
 791 void TextWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 792 {
 793     Reset();
 794
 795     CreateText();
 796 }
 797
 798 void TextWidgetsPage::OnButtonSet(wxCommandEvent& WXUNUSED(event))
 799 {
 800     m_text->SetValue(m_text->GetWindowStyle() & wxTE_MULTILINE
 801                         ? _T("Here,\nthere and\neverywhere")
 802                         : _T("Yellow submarine"));
 803
 804     m_text->SetFocus();
 805 }
 806
 807 void TextWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
 808 {
 809     if ( m_text->GetWindowStyle() & wxTE_MULTILINE )
 810     {
 811         m_text->AppendText(_T("We all live in a\n"));
 812     }
 813
 814     m_text->AppendText(_T("Yellow submarine"));
 815 }
 816
 817 void TextWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
 818 {
 819     m_text->WriteText(_T("Is there anybody going to listen to my story"));
 820     if ( m_text->GetWindowStyle() & wxTE_MULTILINE )
 821     {
 822         m_text->WriteText(_T("\nall about the girl who came to stay"));
 823     }
 824 }
 825
 826 void TextWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
 827 {
 828     m_text->Clear();
 829     m_text->SetFocus();
 830 }
 831
 832 void TextWidgetsPage::OnButtonLoad(wxCommandEvent& WXUNUSED(event))
 833 {
 834     // search for the file in several dirs where it's likely to be
 835     wxPathList pathlist;
 836     pathlist.Add(_T("."));
 837     pathlist.Add(_T(".."));
 838     pathlist.Add(_T("../../../samples/widgets"));
 839
 840     wxString filename = pathlist.FindValidPath(_T("textctrl.cpp"));
 841     if ( !filename )
 842     {
 843         wxLogError(_T("File textctrl.cpp not found."));
 844     }
 845     else // load it
 846     {
 847         wxStopWatch sw;
 848         if ( !m_text->LoadFile(filename) )
 849         {
 850             // this is not supposed to happen ...
 851             wxLogError(_T("Error loading file."));
 852         }
 853         else
 854         {
 855             long elapsed = sw.Time();
 856             wxLogMessage(_T("Loaded file '%s' in %lu.%us"),
 857                          filename.c_str(), elapsed / 1000,
 858                          (unsigned int) elapsed % 1000);
 859         }
 860     }
 861 }
 862
 863 void TextWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
 864 {
 865     event.Enable(!m_text->GetValue().empty());
 866 }
 867
 868 void TextWidgetsPage::OnUpdateUIWrapLinesCheckbox(wxUpdateUIEvent& event)
 869 {
 870     event.Enable( !IsSingleLine() );
 871 }
 872
 873 void TextWidgetsPage::OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event)
 874 {
 875     // can't put multiline control in password mode
 876     event.Enable( IsSingleLine() );
 877 }
 878
 879 void TextWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
 880 {
 881     event.Enable( (m_radioTextLines->GetSelection() != DEFAULTS.textLines) ||
 882 #ifdef __WXMSW__
 883                   (m_radioKind->GetSelection() != DEFAULTS.textKind) ||
 884 #endif // __WXMSW__
 885                   (m_chkPassword->GetValue() != DEFAULTS.password) ||
 886                   (m_chkReadonly->GetValue() != DEFAULTS.readonly) ||
 887                   (m_chkFilename->GetValue() != DEFAULTS.filename) ||
 888                   (m_radioWrap->GetSelection() != DEFAULTS.wrapStyle) );
 889 }
 890
 891 void TextWidgetsPage::OnText(wxCommandEvent& WXUNUSED(event))
 892 {
 893     // small hack to suppress the very first message: by then the logging is
 894     // not yet redirected and so initial setting of the text value results in
 895     // an annoying message box
 896     static bool s_firstTime = true;
 897     if ( s_firstTime )
 898     {
 899         s_firstTime = false;
 900         return;
 901     }
 902
 903     wxLogMessage(_T("Text ctrl value changed"));
 904 }
 905
 906 void TextWidgetsPage::OnTextEnter(wxCommandEvent& event)
 907 {
 908     wxLogMessage(_T("Text entered: '%s'"), event.GetString().c_str());
 909     event.Skip();
 910 }
 911
 912 void TextWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 913 {
 914     CreateText();
 915 }
 916
 917 void TextWidgetsPage::OnStreamRedirector(wxCommandEvent& WXUNUSED(event))
 918 {
 919 #if wxHAS_TEXT_WINDOW_STREAM
 920     wxStreamToTextRedirector redirect(m_text);
 921     wxString str( _T("Outputed to cout, appears in wxTextCtrl!") );
 922     wxSTD cout << str << wxSTD endl;
 923 #else
 924     wxMessageBox(_T("This wxWidgets build does not support wxStreamToTextRedirector"));
 925 #endif
 926 }