| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Program: wxWindows 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/button.h" |
| 33 | #include "wx/checkbox.h" |
| 34 | #include "wx/radiobox.h" |
| 35 | #include "wx/statbox.h" |
| 36 | #include "wx/stattext.h" |
| 37 | #include "wx/textctrl.h" |
| 38 | #endif |
| 39 | |
| 40 | #include "wx/sizer.h" |
| 41 | |
| 42 | #include "widgets.h" |
| 43 | |
| 44 | #if 1 |
| 45 | #include "icons/text.xpm" |
| 46 | |
| 47 | // ---------------------------------------------------------------------------- |
| 48 | // constants |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | |
| 51 | // control ids |
| 52 | enum |
| 53 | { |
| 54 | TextPage_Reset = 100, |
| 55 | |
| 56 | TextPage_Set, |
| 57 | TextPage_Add, |
| 58 | TextPage_Insert, |
| 59 | TextPage_Clear, |
| 60 | TextPage_Load, |
| 61 | |
| 62 | TextPage_Password, |
| 63 | TextPage_WrapLines, |
| 64 | TextPage_Textctrl |
| 65 | }; |
| 66 | |
| 67 | // textctrl line number radiobox values |
| 68 | enum TextLines |
| 69 | { |
| 70 | TextLines_Single, |
| 71 | TextLines_Multi |
| 72 | }; |
| 73 | |
| 74 | #ifdef __WXMSW__ |
| 75 | |
| 76 | // textctrl kind values |
| 77 | enum TextKind |
| 78 | { |
| 79 | TextKind_Plain, |
| 80 | TextKind_Rich, |
| 81 | TextKind_Rich2 |
| 82 | }; |
| 83 | |
| 84 | #endif // __WXMSW__ |
| 85 | |
| 86 | // default values for the controls |
| 87 | static const struct ControlValues |
| 88 | { |
| 89 | TextLines textLines; |
| 90 | bool password; |
| 91 | bool wraplines; |
| 92 | bool readonly; |
| 93 | #ifdef __WXMSW__ |
| 94 | TextKind textKind; |
| 95 | #endif // __WXMSW__ |
| 96 | } DEFAULTS = |
| 97 | { |
| 98 | TextLines_Multi, // multiline |
| 99 | FALSE, // not password |
| 100 | TRUE, // do wrap lines |
| 101 | FALSE, // not readonly |
| 102 | #ifdef __WXMSW__ |
| 103 | TextKind_Plain // plain EDIT control |
| 104 | #endif // __WXMSW__ |
| 105 | }; |
| 106 | |
| 107 | // ---------------------------------------------------------------------------- |
| 108 | // TextWidgetsPage |
| 109 | // ---------------------------------------------------------------------------- |
| 110 | |
| 111 | // Define a new frame type: this is going to be our main frame |
| 112 | class TextWidgetsPage : public WidgetsPage |
| 113 | { |
| 114 | public: |
| 115 | // ctor(s) and dtor |
| 116 | TextWidgetsPage(wxNotebook *notebook, wxImageList *imaglist); |
| 117 | virtual ~TextWidgetsPage(); |
| 118 | |
| 119 | protected: |
| 120 | // create an info text contorl |
| 121 | wxTextCtrl *CreateInfoText(); |
| 122 | |
| 123 | // create a horz sizer holding a static text and this text control |
| 124 | wxSizer *CreateTextWithLabelSizer(const wxString& label, |
| 125 | wxTextCtrl *text, |
| 126 | const wxString& label2 = wxEmptyString, |
| 127 | wxTextCtrl *text2 = NULL); |
| 128 | |
| 129 | // event handlers |
| 130 | void OnButtonReset(wxCommandEvent& event); |
| 131 | void OnButtonClearLog(wxCommandEvent& event); |
| 132 | |
| 133 | void OnButtonSet(wxCommandEvent& event); |
| 134 | void OnButtonAdd(wxCommandEvent& event); |
| 135 | void OnButtonInsert(wxCommandEvent& event); |
| 136 | void OnButtonClear(wxCommandEvent& event); |
| 137 | void OnButtonLoad(wxCommandEvent& event); |
| 138 | |
| 139 | void OnButtonQuit(wxCommandEvent& event); |
| 140 | |
| 141 | void OnText(wxCommandEvent& event); |
| 142 | void OnTextEnter(wxCommandEvent& event); |
| 143 | |
| 144 | void OnCheckOrRadioBox(wxCommandEvent& event); |
| 145 | |
| 146 | void OnUpdateUIClearButton(wxUpdateUIEvent& event); |
| 147 | |
| 148 | void OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event); |
| 149 | void OnUpdateUIWrapLinesCheckbox(wxUpdateUIEvent& event); |
| 150 | |
| 151 | void OnUpdateUIResetButton(wxUpdateUIEvent& event); |
| 152 | |
| 153 | void OnIdle(wxIdleEvent& event); |
| 154 | |
| 155 | // reset the textctrl parameters |
| 156 | void Reset(); |
| 157 | |
| 158 | // (re)create the textctrl |
| 159 | void CreateText(); |
| 160 | |
| 161 | // is the control currently single line? |
| 162 | bool IsSingleLine() const |
| 163 | { |
| 164 | return m_radioTextLines->GetSelection() == TextLines_Single; |
| 165 | } |
| 166 | |
| 167 | // the controls |
| 168 | // ------------ |
| 169 | |
| 170 | // the radiobox to choose between single and multi line |
| 171 | wxRadioBox *m_radioTextLines; |
| 172 | |
| 173 | // the checkboxes controlling text ctrl styles |
| 174 | wxCheckBox *m_chkPassword, |
| 175 | *m_chkWrapLines, |
| 176 | *m_chkReadonly; |
| 177 | |
| 178 | // under MSW we test rich edit controls as well here |
| 179 | #ifdef __WXMSW__ |
| 180 | wxRadioBox *m_radioKind; |
| 181 | #endif // __WXMSW__ |
| 182 | |
| 183 | // the textctrl itself and the sizer it is in |
| 184 | wxTextCtrl *m_text; |
| 185 | wxSizer *m_sizerText; |
| 186 | |
| 187 | // the information text zones |
| 188 | wxTextCtrl *m_textPosCur, |
| 189 | *m_textRowCur, |
| 190 | *m_textColCur, |
| 191 | *m_textPosLast, |
| 192 | *m_textLineLast, |
| 193 | *m_textSelFrom, |
| 194 | *m_textSelTo, |
| 195 | *m_textRange; |
| 196 | |
| 197 | // and the data to show in them |
| 198 | long m_posCur, |
| 199 | m_posLast, |
| 200 | m_selFrom, |
| 201 | m_selTo; |
| 202 | |
| 203 | private: |
| 204 | // any class wishing to process wxWindows events must use this macro |
| 205 | DECLARE_EVENT_TABLE() |
| 206 | DECLARE_WIDGETS_PAGE(TextWidgetsPage) |
| 207 | }; |
| 208 | |
| 209 | // ---------------------------------------------------------------------------- |
| 210 | // event tables |
| 211 | // ---------------------------------------------------------------------------- |
| 212 | |
| 213 | BEGIN_EVENT_TABLE(TextWidgetsPage, WidgetsPage) |
| 214 | EVT_IDLE(TextWidgetsPage::OnIdle) |
| 215 | |
| 216 | EVT_BUTTON(TextPage_Reset, TextWidgetsPage::OnButtonReset) |
| 217 | |
| 218 | EVT_BUTTON(TextPage_Clear, TextWidgetsPage::OnButtonClear) |
| 219 | EVT_BUTTON(TextPage_Set, TextWidgetsPage::OnButtonSet) |
| 220 | EVT_BUTTON(TextPage_Add, TextWidgetsPage::OnButtonAdd) |
| 221 | EVT_BUTTON(TextPage_Insert, TextWidgetsPage::OnButtonInsert) |
| 222 | EVT_BUTTON(TextPage_Load, TextWidgetsPage::OnButtonLoad) |
| 223 | |
| 224 | EVT_UPDATE_UI(TextPage_Clear, TextWidgetsPage::OnUpdateUIClearButton) |
| 225 | |
| 226 | EVT_UPDATE_UI(TextPage_Password, TextWidgetsPage::OnUpdateUIPasswordCheckbox) |
| 227 | EVT_UPDATE_UI(TextPage_WrapLines, TextWidgetsPage::OnUpdateUIWrapLinesCheckbox) |
| 228 | |
| 229 | EVT_UPDATE_UI(TextPage_Reset, TextWidgetsPage::OnUpdateUIResetButton) |
| 230 | |
| 231 | EVT_TEXT(TextPage_Textctrl, TextWidgetsPage::OnText) |
| 232 | EVT_TEXT_ENTER(TextPage_Textctrl, TextWidgetsPage::OnTextEnter) |
| 233 | |
| 234 | EVT_CHECKBOX(-1, TextWidgetsPage::OnCheckOrRadioBox) |
| 235 | EVT_RADIOBOX(-1, TextWidgetsPage::OnCheckOrRadioBox) |
| 236 | END_EVENT_TABLE() |
| 237 | |
| 238 | // ============================================================================ |
| 239 | // implementation |
| 240 | // ============================================================================ |
| 241 | |
| 242 | IMPLEMENT_WIDGETS_PAGE(TextWidgetsPage, _T("Text")); |
| 243 | |
| 244 | // ---------------------------------------------------------------------------- |
| 245 | // TextWidgetsPage creation |
| 246 | // ---------------------------------------------------------------------------- |
| 247 | |
| 248 | TextWidgetsPage::TextWidgetsPage(wxNotebook *notebook, wxImageList *imaglist) |
| 249 | : WidgetsPage(notebook) |
| 250 | { |
| 251 | imaglist->Add(wxBitmap(text_xpm)); |
| 252 | |
| 253 | // init everything |
| 254 | #ifdef __WXMSW__ |
| 255 | m_radioKind = |
| 256 | #endif // __WXMSW__ |
| 257 | m_radioTextLines = (wxRadioBox *)NULL; |
| 258 | |
| 259 | m_chkPassword = |
| 260 | m_chkWrapLines = |
| 261 | m_chkReadonly = (wxCheckBox *)NULL; |
| 262 | |
| 263 | m_text = |
| 264 | m_textPosCur = |
| 265 | m_textRowCur = |
| 266 | m_textColCur = |
| 267 | m_textPosLast = |
| 268 | m_textLineLast = |
| 269 | m_textSelFrom = |
| 270 | m_textSelTo = |
| 271 | m_textRange = (wxTextCtrl *)NULL; |
| 272 | |
| 273 | m_sizerText = (wxSizer *)NULL; |
| 274 | |
| 275 | m_posCur = |
| 276 | m_posLast = |
| 277 | m_selFrom = |
| 278 | m_selTo = -2; // not -1 which means "no selection" |
| 279 | |
| 280 | // left pane |
| 281 | static const wxString modes[] = |
| 282 | { |
| 283 | _T("single line"), |
| 284 | _T("multi line"), |
| 285 | }; |
| 286 | |
| 287 | wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set textctrl parameters")); |
| 288 | m_radioTextLines = new wxRadioBox(this, -1, _T("&Number of lines:"), |
| 289 | wxDefaultPosition, wxDefaultSize, |
| 290 | WXSIZEOF(modes), modes, |
| 291 | 1, wxRA_SPECIFY_COLS); |
| 292 | |
| 293 | wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL); |
| 294 | |
| 295 | sizerLeft->Add(m_radioTextLines, 0, wxGROW | wxALL, 5); |
| 296 | sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer |
| 297 | |
| 298 | m_chkPassword = CreateCheckBoxAndAddToSizer( |
| 299 | sizerLeft, _T("&Password control"), TextPage_Password |
| 300 | ); |
| 301 | m_chkWrapLines = CreateCheckBoxAndAddToSizer( |
| 302 | sizerLeft, _T("Line &wrap"), TextPage_WrapLines |
| 303 | ); |
| 304 | m_chkReadonly = CreateCheckBoxAndAddToSizer( |
| 305 | sizerLeft, _T("&Read-only mode") |
| 306 | ); |
| 307 | |
| 308 | #ifdef __WXMSW__ |
| 309 | static const wxString kinds[] = |
| 310 | { |
| 311 | _T("plain edit"), |
| 312 | _T("rich edit"), |
| 313 | _T("rich edit 2.0"), |
| 314 | }; |
| 315 | |
| 316 | m_radioKind = new wxRadioBox(this, -1, _T("Control &kind"), |
| 317 | wxDefaultPosition, wxDefaultSize, |
| 318 | WXSIZEOF(kinds), kinds, |
| 319 | 1, wxRA_SPECIFY_COLS); |
| 320 | |
| 321 | sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer |
| 322 | sizerLeft->Add(m_radioKind, 0, wxGROW | wxALL, 5); |
| 323 | #endif // __WXMSW__ |
| 324 | |
| 325 | wxButton *btn = new wxButton(this, TextPage_Reset, _T("&Reset")); |
| 326 | sizerLeft->Add(2, 2, 0, wxGROW | wxALL, 1); // spacer |
| 327 | sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15); |
| 328 | |
| 329 | // middle pane |
| 330 | wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change contents:")); |
| 331 | wxSizer *sizerMiddleUp = new wxStaticBoxSizer(box2, wxVERTICAL); |
| 332 | |
| 333 | btn = new wxButton(this, TextPage_Set, _T("&Set text value")); |
| 334 | sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1); |
| 335 | |
| 336 | btn = new wxButton(this, TextPage_Add, _T("&Append text")); |
| 337 | sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1); |
| 338 | |
| 339 | btn = new wxButton(this, TextPage_Insert, _T("&Insert text")); |
| 340 | sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1); |
| 341 | |
| 342 | btn = new wxButton(this, TextPage_Load, _T("&Load file")); |
| 343 | sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1); |
| 344 | |
| 345 | btn = new wxButton(this, TextPage_Clear, _T("&Clear")); |
| 346 | sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1); |
| 347 | |
| 348 | wxStaticBox *box4 = new wxStaticBox(this, -1, _T("&Info:")); |
| 349 | wxSizer *sizerMiddleDown = new wxStaticBoxSizer(box4, wxVERTICAL); |
| 350 | |
| 351 | m_textPosCur = CreateInfoText(); |
| 352 | m_textRowCur = CreateInfoText(); |
| 353 | m_textColCur = CreateInfoText(); |
| 354 | |
| 355 | wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL); |
| 356 | sizerRow->Add(CreateTextWithLabelSizer |
| 357 | ( |
| 358 | _T("Current pos:"), |
| 359 | m_textPosCur |
| 360 | ), |
| 361 | 0, wxRIGHT, 5); |
| 362 | sizerRow->Add(CreateTextWithLabelSizer |
| 363 | ( |
| 364 | _T("Col:"), |
| 365 | m_textColCur |
| 366 | ), |
| 367 | 0, wxLEFT | wxRIGHT, 5); |
| 368 | sizerRow->Add(CreateTextWithLabelSizer |
| 369 | ( |
| 370 | _T("Row:"), |
| 371 | m_textRowCur |
| 372 | ), |
| 373 | 0, wxLEFT, 5); |
| 374 | sizerMiddleDown->Add(sizerRow, 0, wxALL, 5); |
| 375 | |
| 376 | m_textLineLast = CreateInfoText(); |
| 377 | m_textPosLast = CreateInfoText(); |
| 378 | sizerMiddleDown->Add |
| 379 | ( |
| 380 | CreateTextWithLabelSizer |
| 381 | ( |
| 382 | _T("Number of lines:"), |
| 383 | m_textLineLast, |
| 384 | _T("Last position:"), |
| 385 | m_textPosLast |
| 386 | ), |
| 387 | 0, wxALL, 5 |
| 388 | ); |
| 389 | |
| 390 | m_textSelFrom = CreateInfoText(); |
| 391 | m_textSelTo = CreateInfoText(); |
| 392 | sizerMiddleDown->Add |
| 393 | ( |
| 394 | CreateTextWithLabelSizer |
| 395 | ( |
| 396 | _T("Selection: from"), |
| 397 | m_textSelFrom, |
| 398 | _T("to"), |
| 399 | m_textSelTo |
| 400 | ), |
| 401 | 0, wxALL, 5 |
| 402 | ); |
| 403 | |
| 404 | m_textRange = new wxTextCtrl(this, -1, _T(""), |
| 405 | wxDefaultPosition, wxDefaultSize, |
| 406 | wxTE_READONLY); |
| 407 | sizerMiddleDown->Add |
| 408 | ( |
| 409 | CreateTextWithLabelSizer |
| 410 | ( |
| 411 | _T("Range 10..20:"), |
| 412 | m_textRange |
| 413 | ), |
| 414 | 0, wxALL, 5 |
| 415 | ); |
| 416 | |
| 417 | wxSizer *sizerMiddle = new wxBoxSizer(wxVERTICAL); |
| 418 | sizerMiddle->Add(sizerMiddleUp, 0, wxGROW); |
| 419 | sizerMiddle->Add(sizerMiddleDown, 1, wxGROW | wxTOP, 5); |
| 420 | |
| 421 | // right pane |
| 422 | wxStaticBox *box3 = new wxStaticBox(this, -1, _T("&Text:")); |
| 423 | m_sizerText = new wxStaticBoxSizer(box3, wxHORIZONTAL); |
| 424 | Reset(); |
| 425 | CreateText(); |
| 426 | m_sizerText->SetMinSize(150, 0); |
| 427 | |
| 428 | // the 3 panes panes compose the upper part of the window |
| 429 | wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL); |
| 430 | sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10); |
| 431 | sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10); |
| 432 | sizerTop->Add(m_sizerText, 1, wxGROW | (wxALL & ~wxRIGHT), 10); |
| 433 | |
| 434 | SetAutoLayout(TRUE); |
| 435 | SetSizer(sizerTop); |
| 436 | |
| 437 | sizerTop->Fit(this); |
| 438 | } |
| 439 | |
| 440 | TextWidgetsPage::~TextWidgetsPage() |
| 441 | { |
| 442 | } |
| 443 | |
| 444 | // ---------------------------------------------------------------------------- |
| 445 | // creation helpers |
| 446 | // ---------------------------------------------------------------------------- |
| 447 | |
| 448 | wxTextCtrl *TextWidgetsPage::CreateInfoText() |
| 449 | { |
| 450 | static int s_maxWidth = 0; |
| 451 | if ( !s_maxWidth ) |
| 452 | { |
| 453 | // calc it once only |
| 454 | GetTextExtent(_T("9999999"), &s_maxWidth, NULL); |
| 455 | } |
| 456 | |
| 457 | wxTextCtrl *text = new wxTextCtrl(this, -1, _T(""), |
| 458 | wxDefaultPosition, |
| 459 | wxSize(s_maxWidth, -1), |
| 460 | wxTE_READONLY); |
| 461 | return text; |
| 462 | } |
| 463 | |
| 464 | wxSizer *TextWidgetsPage::CreateTextWithLabelSizer(const wxString& label, |
| 465 | wxTextCtrl *text, |
| 466 | const wxString& label2, |
| 467 | wxTextCtrl *text2) |
| 468 | { |
| 469 | wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL); |
| 470 | sizerRow->Add(new wxStaticText(this, -1, label), 0, |
| 471 | wxALIGN_CENTRE_VERTICAL | wxRIGHT, 5); |
| 472 | sizerRow->Add(text, 0, wxALIGN_CENTRE_VERTICAL); |
| 473 | if ( text2 ) |
| 474 | { |
| 475 | sizerRow->Add(new wxStaticText(this, -1, label2), 0, |
| 476 | wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, 5); |
| 477 | sizerRow->Add(text2, 0, wxALIGN_CENTRE_VERTICAL); |
| 478 | } |
| 479 | |
| 480 | return sizerRow; |
| 481 | } |
| 482 | |
| 483 | // ---------------------------------------------------------------------------- |
| 484 | // operations |
| 485 | // ---------------------------------------------------------------------------- |
| 486 | |
| 487 | void TextWidgetsPage::Reset() |
| 488 | { |
| 489 | m_radioTextLines->SetSelection(DEFAULTS.textLines); |
| 490 | m_chkPassword->SetValue(DEFAULTS.password); |
| 491 | m_chkWrapLines->SetValue(DEFAULTS.wraplines); |
| 492 | m_chkReadonly->SetValue(DEFAULTS.readonly); |
| 493 | #ifdef __WXMSW__ |
| 494 | m_radioKind->SetSelection(DEFAULTS.textKind); |
| 495 | #endif // __WXMSW__ |
| 496 | } |
| 497 | |
| 498 | void TextWidgetsPage::CreateText() |
| 499 | { |
| 500 | int flags = 0; |
| 501 | switch ( m_radioTextLines->GetSelection() ) |
| 502 | { |
| 503 | default: |
| 504 | wxFAIL_MSG( _T("unexpected lines radio box selection") ); |
| 505 | |
| 506 | case TextLines_Single: |
| 507 | break; |
| 508 | |
| 509 | case TextLines_Multi: |
| 510 | flags |= wxTE_MULTILINE; |
| 511 | m_chkPassword->SetValue(FALSE); |
| 512 | break; |
| 513 | } |
| 514 | |
| 515 | if ( m_chkPassword->GetValue() ) |
| 516 | flags |= wxTE_PASSWORD; |
| 517 | if ( m_chkReadonly->GetValue() ) |
| 518 | flags |= wxTE_READONLY; |
| 519 | if ( !m_chkWrapLines->GetValue() ) |
| 520 | flags |= wxHSCROLL; |
| 521 | |
| 522 | #ifdef __WXMSW__ |
| 523 | switch ( m_radioKind->GetSelection() ) |
| 524 | { |
| 525 | default: |
| 526 | wxFAIL_MSG( _T("unexpected kind radio box selection") ); |
| 527 | |
| 528 | case TextKind_Plain: |
| 529 | break; |
| 530 | |
| 531 | case TextKind_Rich: |
| 532 | flags |= wxTE_RICH; |
| 533 | break; |
| 534 | |
| 535 | case TextKind_Rich2: |
| 536 | flags |= wxTE_RICH2; |
| 537 | break; |
| 538 | } |
| 539 | #endif // __WXMSW__ |
| 540 | |
| 541 | wxString valueOld; |
| 542 | if ( m_text ) |
| 543 | { |
| 544 | valueOld = m_text->GetValue(); |
| 545 | |
| 546 | m_sizerText->Remove(m_text); |
| 547 | delete m_text; |
| 548 | } |
| 549 | else |
| 550 | { |
| 551 | valueOld = _T("Hello, Universe!"); |
| 552 | } |
| 553 | |
| 554 | m_text = new wxTextCtrl(this, TextPage_Textctrl, |
| 555 | valueOld, |
| 556 | wxDefaultPosition, wxDefaultSize, |
| 557 | flags); |
| 558 | m_sizerText->Add(m_text, 1, wxALL | |
| 559 | (flags & wxTE_MULTILINE ? wxGROW |
| 560 | : wxALIGN_TOP), 5); |
| 561 | m_sizerText->Layout(); |
| 562 | } |
| 563 | |
| 564 | // ---------------------------------------------------------------------------- |
| 565 | // event handlers |
| 566 | // ---------------------------------------------------------------------------- |
| 567 | |
| 568 | void TextWidgetsPage::OnIdle(wxIdleEvent& WXUNUSED(event)) |
| 569 | { |
| 570 | // update all info texts |
| 571 | |
| 572 | if ( m_textPosCur ) |
| 573 | { |
| 574 | long posCur = m_text->GetInsertionPoint(); |
| 575 | if ( posCur != m_posCur ) |
| 576 | { |
| 577 | m_textPosCur->Clear(); |
| 578 | m_textRowCur->Clear(); |
| 579 | m_textColCur->Clear(); |
| 580 | |
| 581 | long col, row; |
| 582 | m_text->PositionToXY(posCur, &col, &row); |
| 583 | |
| 584 | *m_textPosCur << posCur; |
| 585 | *m_textRowCur << row; |
| 586 | *m_textColCur << col; |
| 587 | |
| 588 | m_posCur = posCur; |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | if ( m_textPosLast ) |
| 593 | { |
| 594 | long posLast = m_text->GetLastPosition(); |
| 595 | if ( posLast != m_posLast ) |
| 596 | { |
| 597 | m_textPosLast->Clear(); |
| 598 | *m_textPosLast << posLast; |
| 599 | |
| 600 | m_posLast = posLast; |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | if ( m_textLineLast ) |
| 605 | { |
| 606 | m_textLineLast->SetValue( |
| 607 | wxString::Format(_T("%ld"), m_text->GetNumberOfLines())); |
| 608 | } |
| 609 | |
| 610 | if ( m_textSelFrom && m_textSelTo ) |
| 611 | { |
| 612 | long selFrom, selTo; |
| 613 | m_text->GetSelection(&selFrom, &selTo); |
| 614 | if ( selFrom != m_selFrom ) |
| 615 | { |
| 616 | m_textSelFrom->Clear(); |
| 617 | *m_textSelFrom << selFrom; |
| 618 | |
| 619 | m_selFrom = selFrom; |
| 620 | } |
| 621 | |
| 622 | if ( selTo != m_selTo ) |
| 623 | { |
| 624 | m_textSelTo->Clear(); |
| 625 | *m_textSelTo << selTo; |
| 626 | |
| 627 | m_selTo = selTo; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | if ( m_textRange ) |
| 632 | { |
| 633 | m_textRange->SetValue(m_text->GetRange(10, 20)); |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | void TextWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event)) |
| 638 | { |
| 639 | Reset(); |
| 640 | |
| 641 | CreateText(); |
| 642 | } |
| 643 | |
| 644 | void TextWidgetsPage::OnButtonSet(wxCommandEvent& WXUNUSED(event)) |
| 645 | { |
| 646 | m_text->SetValue(m_text->GetWindowStyle() & wxTE_MULTILINE |
| 647 | ? _T("Here,\nthere and\neverywhere") |
| 648 | : _T("Yellow submarine")); |
| 649 | |
| 650 | m_text->SetFocus(); |
| 651 | } |
| 652 | |
| 653 | void TextWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event)) |
| 654 | { |
| 655 | if ( m_text->GetWindowStyle() & wxTE_MULTILINE ) |
| 656 | { |
| 657 | m_text->AppendText(_T("We all live in a\n")); |
| 658 | } |
| 659 | |
| 660 | m_text->AppendText(_T("Yellow submarine")); |
| 661 | } |
| 662 | |
| 663 | void TextWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event)) |
| 664 | { |
| 665 | m_text->WriteText(_T("Is there anybody going to listen to my story")); |
| 666 | if ( m_text->GetWindowStyle() & wxTE_MULTILINE ) |
| 667 | { |
| 668 | m_text->WriteText(_T("\nall about the girl who came to stay")); |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | void TextWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event)) |
| 673 | { |
| 674 | m_text->Clear(); |
| 675 | m_text->SetFocus(); |
| 676 | } |
| 677 | |
| 678 | void TextWidgetsPage::OnButtonLoad(wxCommandEvent& WXUNUSED(event)) |
| 679 | { |
| 680 | // search for the file in several dirs where it's likely to be |
| 681 | wxPathList pathlist; |
| 682 | pathlist.Add(_T(".")); |
| 683 | pathlist.Add(_T("..")); |
| 684 | pathlist.Add(_T("../../../samples/widgets")); |
| 685 | |
| 686 | wxString filename = pathlist.FindValidPath(_T("textctrl.cpp")); |
| 687 | if ( !filename ) |
| 688 | { |
| 689 | wxLogError(_T("File textctrl.cpp not found.")); |
| 690 | } |
| 691 | else // load it |
| 692 | { |
| 693 | wxStopWatch sw; |
| 694 | if ( !m_text->LoadFile(filename) ) |
| 695 | { |
| 696 | // this is not supposed to happen ... |
| 697 | wxLogError(_T("Error loading file.")); |
| 698 | } |
| 699 | else |
| 700 | { |
| 701 | long elapsed = sw.Time(); |
| 702 | wxLogMessage(_T("Loaded file '%s' in %u.%us"), |
| 703 | filename.c_str(), elapsed / 1000, elapsed % 1000); |
| 704 | } |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | void TextWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event) |
| 709 | { |
| 710 | event.Enable(!m_text->GetValue().empty()); |
| 711 | } |
| 712 | |
| 713 | void TextWidgetsPage::OnUpdateUIWrapLinesCheckbox(wxUpdateUIEvent& event) |
| 714 | { |
| 715 | event.Enable( !IsSingleLine() ); |
| 716 | } |
| 717 | |
| 718 | void TextWidgetsPage::OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event) |
| 719 | { |
| 720 | // can't put multiline control in password mode |
| 721 | event.Enable( IsSingleLine() ); |
| 722 | } |
| 723 | |
| 724 | void TextWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event) |
| 725 | { |
| 726 | event.Enable( (m_radioTextLines->GetSelection() != DEFAULTS.textLines) || |
| 727 | #ifdef __WXMSW__ |
| 728 | (m_radioKind->GetSelection() != DEFAULTS.textKind) || |
| 729 | #endif // __WXMSW__ |
| 730 | (m_chkReadonly->GetValue() != DEFAULTS.readonly) || |
| 731 | (m_chkPassword->GetValue() != DEFAULTS.password) || |
| 732 | (m_chkWrapLines->GetValue() != DEFAULTS.wraplines) ); |
| 733 | } |
| 734 | |
| 735 | void TextWidgetsPage::OnText(wxCommandEvent& event) |
| 736 | { |
| 737 | // small hack to suppress the very first message: by then the logging is |
| 738 | // not yet redirected and so initial setting of the text value results in |
| 739 | // an annoying message box |
| 740 | static bool s_firstTime = TRUE; |
| 741 | if ( s_firstTime ) |
| 742 | { |
| 743 | s_firstTime = FALSE; |
| 744 | return; |
| 745 | } |
| 746 | |
| 747 | wxLogMessage(_T("Text ctrl value changed")); |
| 748 | } |
| 749 | |
| 750 | void TextWidgetsPage::OnTextEnter(wxCommandEvent& event) |
| 751 | { |
| 752 | wxLogMessage(_T("Text entered: '%s'"), event.GetString().c_str()); |
| 753 | } |
| 754 | |
| 755 | void TextWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event) |
| 756 | { |
| 757 | CreateText(); |
| 758 | } |
| 759 | #endif |