| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/motif/textctrl.cpp |
| 3 | // Purpose: wxTextCtrl |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __VMS |
| 24 | #define XtParent XTPARENT |
| 25 | #endif |
| 26 | |
| 27 | #include <sys/types.h> |
| 28 | #include <sys/stat.h> |
| 29 | #include <ctype.h> |
| 30 | |
| 31 | #include "wx/textctrl.h" |
| 32 | |
| 33 | #ifndef WX_PRECOMP |
| 34 | #include "wx/utils.h" |
| 35 | #include "wx/settings.h" |
| 36 | #endif |
| 37 | |
| 38 | #include "wx/filefn.h" |
| 39 | |
| 40 | #ifdef __VMS__ |
| 41 | #pragma message disable nosimpint |
| 42 | #endif |
| 43 | #include <Xm/Text.h> |
| 44 | #ifdef __VMS__ |
| 45 | #pragma message enable nosimpint |
| 46 | #endif |
| 47 | |
| 48 | #include "wx/motif/private.h" |
| 49 | |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | // private functions |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | |
| 54 | // helper: inserts the new text in the value of the text ctrl and returns the |
| 55 | // result in place |
| 56 | static void MergeChangesIntoString(wxString& value, |
| 57 | XmTextVerifyCallbackStruct *textStruct); |
| 58 | |
| 59 | // callbacks |
| 60 | static void wxTextWindowChangedProc(Widget w, XtPointer clientData, XtPointer ptr); |
| 61 | static void wxTextWindowModifyProc(Widget w, XtPointer clientData, XmTextVerifyCallbackStruct *cbs); |
| 62 | static void wxTextWindowGainFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs); |
| 63 | static void wxTextWindowLoseFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs); |
| 64 | static void wxTextWindowActivateProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *ptr); |
| 65 | |
| 66 | IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) |
| 67 | |
| 68 | BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) |
| 69 | EVT_DROP_FILES(wxTextCtrl::OnDropFiles) |
| 70 | EVT_CHAR(wxTextCtrl::OnChar) |
| 71 | |
| 72 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) |
| 73 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) |
| 74 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) |
| 75 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) |
| 76 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) |
| 77 | |
| 78 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) |
| 79 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) |
| 80 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) |
| 81 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) |
| 82 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) |
| 83 | |
| 84 | END_EVENT_TABLE() |
| 85 | |
| 86 | // ============================================================================ |
| 87 | // implementation |
| 88 | // ============================================================================ |
| 89 | |
| 90 | // ---------------------------------------------------------------------------- |
| 91 | // wxTextCtrl |
| 92 | // ---------------------------------------------------------------------------- |
| 93 | |
| 94 | // Text item |
| 95 | wxTextCtrl::wxTextCtrl() |
| 96 | { |
| 97 | m_tempCallbackStruct = (void*) NULL; |
| 98 | m_modified = false; |
| 99 | m_processedDefault = false; |
| 100 | } |
| 101 | |
| 102 | bool wxTextCtrl::Create(wxWindow *parent, |
| 103 | wxWindowID id, |
| 104 | const wxString& value, |
| 105 | const wxPoint& pos, |
| 106 | const wxSize& size, |
| 107 | long style, |
| 108 | const wxValidator& validator, |
| 109 | const wxString& name) |
| 110 | { |
| 111 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) |
| 112 | return false; |
| 113 | |
| 114 | m_tempCallbackStruct = (void*) NULL; |
| 115 | m_modified = false; |
| 116 | m_processedDefault = false; |
| 117 | |
| 118 | m_backgroundColour = *wxWHITE; |
| 119 | |
| 120 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
| 121 | |
| 122 | Bool wantHorizScroll = (m_windowStyle & wxHSCROLL) != 0 ? True : False; |
| 123 | // If we don't have horizontal scrollbars, we want word wrap. |
| 124 | // OpenMotif 2.1 crashes if wantWordWrap is True in Japanese |
| 125 | // locale (and probably other multibyte locales). The check might be |
| 126 | // more precise |
| 127 | #if wxCHECK_LESSTIF() || wxCHECK_MOTIF_VERSION( 2, 2 ) |
| 128 | Bool wantWordWrap = wantHorizScroll == True ? False : True; |
| 129 | #else |
| 130 | Bool wantWordWrap = False; |
| 131 | #endif |
| 132 | |
| 133 | if (m_windowStyle & wxTE_MULTILINE) |
| 134 | { |
| 135 | Arg args[8]; |
| 136 | int count = 0; |
| 137 | XtSetArg (args[count], XmNscrollHorizontal, wantHorizScroll); ++count; |
| 138 | XtSetArg (args[count], (String) wxFont::GetFontTag(), |
| 139 | m_font.GetFontType( XtDisplay(parentWidget) ) ); ++count; |
| 140 | XtSetArg (args[count], XmNwordWrap, wantWordWrap); ++count; |
| 141 | XtSetArg (args[count], XmNvalue, value.c_str()); ++count; |
| 142 | XtSetArg (args[count], XmNeditable, |
| 143 | style & wxTE_READONLY ? False : True); ++count; |
| 144 | XtSetArg (args[count], XmNeditMode, XmMULTI_LINE_EDIT ); ++count; |
| 145 | |
| 146 | m_mainWidget = |
| 147 | (WXWidget) XmCreateScrolledText(parentWidget, |
| 148 | wxConstCast(name.c_str(), char), |
| 149 | args, count); |
| 150 | |
| 151 | XtManageChild ((Widget) m_mainWidget); |
| 152 | } |
| 153 | else |
| 154 | { |
| 155 | m_mainWidget = (WXWidget)XtVaCreateManagedWidget |
| 156 | ( |
| 157 | wxConstCast(name.c_str(), char), |
| 158 | xmTextWidgetClass, |
| 159 | parentWidget, |
| 160 | wxFont::GetFontTag(), m_font.GetFontType( XtDisplay(parentWidget) ), |
| 161 | XmNvalue, value.c_str(), |
| 162 | XmNeditable, (style & wxTE_READONLY) ? |
| 163 | False : True, |
| 164 | NULL |
| 165 | ); |
| 166 | |
| 167 | #if 0 |
| 168 | // TODO: Is this relevant? What does it do? |
| 169 | int noCols = 2; |
| 170 | if (!value.IsNull() && (value.length() > (unsigned int) noCols)) |
| 171 | noCols = value.length(); |
| 172 | XtVaSetValues((Widget) m_mainWidget, |
| 173 | XmNcolumns, noCols, |
| 174 | NULL); |
| 175 | #endif |
| 176 | } |
| 177 | |
| 178 | // remove border if asked for |
| 179 | if ( style & wxNO_BORDER ) |
| 180 | { |
| 181 | XtVaSetValues((Widget)m_mainWidget, |
| 182 | XmNshadowThickness, 0, |
| 183 | NULL); |
| 184 | } |
| 185 | |
| 186 | // install callbacks |
| 187 | XtAddCallback((Widget) m_mainWidget, XmNvalueChangedCallback, (XtCallbackProc)wxTextWindowChangedProc, (XtPointer)this); |
| 188 | |
| 189 | XtAddCallback((Widget) m_mainWidget, XmNmodifyVerifyCallback, (XtCallbackProc)wxTextWindowModifyProc, (XtPointer)this); |
| 190 | |
| 191 | XtAddCallback((Widget) m_mainWidget, XmNactivateCallback, (XtCallbackProc)wxTextWindowActivateProc, (XtPointer)this); |
| 192 | |
| 193 | XtAddCallback((Widget) m_mainWidget, XmNfocusCallback, (XtCallbackProc)wxTextWindowGainFocusProc, (XtPointer)this); |
| 194 | |
| 195 | XtAddCallback((Widget) m_mainWidget, XmNlosingFocusCallback, (XtCallbackProc)wxTextWindowLoseFocusProc, (XtPointer)this); |
| 196 | |
| 197 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, |
| 198 | pos.x, pos.y, size.x, size.y); |
| 199 | |
| 200 | ChangeBackgroundColour(); |
| 201 | |
| 202 | return true; |
| 203 | } |
| 204 | |
| 205 | WXWidget wxTextCtrl::GetTopWidget() const |
| 206 | { |
| 207 | return IsMultiLine() ? (WXWidget)XtParent((Widget)m_mainWidget) |
| 208 | : m_mainWidget; |
| 209 | } |
| 210 | |
| 211 | wxString wxTextCtrl::GetValue() const |
| 212 | { |
| 213 | wxString str; // result |
| 214 | |
| 215 | if (m_windowStyle & wxTE_PASSWORD) |
| 216 | { |
| 217 | // the value is stored always in m_value because it can't be retrieved |
| 218 | // from the text control |
| 219 | str = m_value; |
| 220 | } |
| 221 | else |
| 222 | { |
| 223 | // just get the string from Motif |
| 224 | char *s = XmTextGetString ((Widget) m_mainWidget); |
| 225 | if ( s ) |
| 226 | { |
| 227 | str = s; |
| 228 | XtFree (s); |
| 229 | } |
| 230 | //else: return empty string |
| 231 | |
| 232 | if ( m_tempCallbackStruct ) |
| 233 | { |
| 234 | // the string in the control isn't yet updated, can't use it as is |
| 235 | MergeChangesIntoString(str, (XmTextVerifyCallbackStruct *) |
| 236 | m_tempCallbackStruct); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | return str; |
| 241 | } |
| 242 | |
| 243 | void wxTextCtrl::SetValue(const wxString& text) |
| 244 | { |
| 245 | m_inSetValue = true; |
| 246 | |
| 247 | XmTextSetString ((Widget) m_mainWidget, wxConstCast(text.c_str(), char)); |
| 248 | XtVaSetValues ((Widget) m_mainWidget, |
| 249 | XmNcursorPosition, text.length(), |
| 250 | NULL); |
| 251 | |
| 252 | SetInsertionPoint(text.length()); |
| 253 | XmTextShowPosition ((Widget) m_mainWidget, text.length()); |
| 254 | m_modified = true; |
| 255 | |
| 256 | m_inSetValue = false; |
| 257 | } |
| 258 | |
| 259 | // Clipboard operations |
| 260 | void wxTextCtrl::Copy() |
| 261 | { |
| 262 | XmTextCopy((Widget) m_mainWidget, CurrentTime); |
| 263 | } |
| 264 | |
| 265 | void wxTextCtrl::Cut() |
| 266 | { |
| 267 | XmTextCut((Widget) m_mainWidget, CurrentTime); |
| 268 | } |
| 269 | |
| 270 | void wxTextCtrl::Paste() |
| 271 | { |
| 272 | XmTextPaste((Widget) m_mainWidget); |
| 273 | } |
| 274 | |
| 275 | bool wxTextCtrl::CanCopy() const |
| 276 | { |
| 277 | // Can copy if there's a selection |
| 278 | long from, to; |
| 279 | GetSelection(& from, & to); |
| 280 | return (from != to) ; |
| 281 | } |
| 282 | |
| 283 | bool wxTextCtrl::CanCut() const |
| 284 | { |
| 285 | // Can cut if there's a selection |
| 286 | long from, to; |
| 287 | GetSelection(& from, & to); |
| 288 | return (from != to) && (IsEditable()); |
| 289 | } |
| 290 | |
| 291 | bool wxTextCtrl::CanPaste() const |
| 292 | { |
| 293 | return IsEditable() ; |
| 294 | } |
| 295 | |
| 296 | // Undo/redo |
| 297 | void wxTextCtrl::Undo() |
| 298 | { |
| 299 | // Not possible in Motif |
| 300 | } |
| 301 | |
| 302 | void wxTextCtrl::Redo() |
| 303 | { |
| 304 | // Not possible in Motif |
| 305 | } |
| 306 | |
| 307 | bool wxTextCtrl::CanUndo() const |
| 308 | { |
| 309 | // No Undo in Motif |
| 310 | return false; |
| 311 | } |
| 312 | |
| 313 | bool wxTextCtrl::CanRedo() const |
| 314 | { |
| 315 | // No Redo in Motif |
| 316 | return false; |
| 317 | } |
| 318 | |
| 319 | // If the return values from and to are the same, there is no |
| 320 | // selection. |
| 321 | void wxTextCtrl::GetSelection(long* from, long* to) const |
| 322 | { |
| 323 | XmTextPosition left, right; |
| 324 | |
| 325 | XmTextGetSelectionPosition((Widget) m_mainWidget, & left, & right); |
| 326 | |
| 327 | *from = (long) left; |
| 328 | *to = (long) right; |
| 329 | } |
| 330 | |
| 331 | bool wxTextCtrl::IsEditable() const |
| 332 | { |
| 333 | return (XmTextGetEditable((Widget) m_mainWidget) != 0); |
| 334 | } |
| 335 | |
| 336 | void wxTextCtrl::SetEditable(bool editable) |
| 337 | { |
| 338 | XmTextSetEditable((Widget) m_mainWidget, (Boolean) editable); |
| 339 | } |
| 340 | |
| 341 | void wxTextCtrl::SetInsertionPoint(long pos) |
| 342 | { |
| 343 | XmTextSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos); |
| 344 | } |
| 345 | |
| 346 | void wxTextCtrl::SetInsertionPointEnd() |
| 347 | { |
| 348 | wxTextPos pos = GetLastPosition(); |
| 349 | SetInsertionPoint(pos); |
| 350 | } |
| 351 | |
| 352 | long wxTextCtrl::GetInsertionPoint() const |
| 353 | { |
| 354 | return (long) XmTextGetInsertionPosition ((Widget) m_mainWidget); |
| 355 | } |
| 356 | |
| 357 | wxTextPos wxTextCtrl::GetLastPosition() const |
| 358 | { |
| 359 | return (long) XmTextGetLastPosition ((Widget) m_mainWidget); |
| 360 | } |
| 361 | |
| 362 | void wxTextCtrl::Replace(long from, long to, const wxString& value) |
| 363 | { |
| 364 | XmTextReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to, |
| 365 | wxConstCast(value.c_str(), char)); |
| 366 | } |
| 367 | |
| 368 | void wxTextCtrl::Remove(long from, long to) |
| 369 | { |
| 370 | XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to, |
| 371 | (Time) 0); |
| 372 | XmTextRemove ((Widget) m_mainWidget); |
| 373 | } |
| 374 | |
| 375 | void wxTextCtrl::SetSelection(long from, long to) |
| 376 | { |
| 377 | if( to == -1 ) |
| 378 | to = GetLastPosition(); |
| 379 | |
| 380 | XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to, |
| 381 | (Time) 0); |
| 382 | } |
| 383 | |
| 384 | void wxTextCtrl::WriteText(const wxString& text) |
| 385 | { |
| 386 | long textPosition = GetInsertionPoint() + text.length(); |
| 387 | XmTextInsert ((Widget) m_mainWidget, GetInsertionPoint(), |
| 388 | wxConstCast(text.c_str(), char)); |
| 389 | XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL); |
| 390 | SetInsertionPoint(textPosition); |
| 391 | XmTextShowPosition ((Widget) m_mainWidget, textPosition); |
| 392 | m_modified = true; |
| 393 | } |
| 394 | |
| 395 | void wxTextCtrl::AppendText(const wxString& text) |
| 396 | { |
| 397 | wxTextPos textPosition = GetLastPosition() + text.length(); |
| 398 | XmTextInsert ((Widget) m_mainWidget, GetLastPosition(), |
| 399 | wxConstCast(text.c_str(), char)); |
| 400 | XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL); |
| 401 | SetInsertionPoint(textPosition); |
| 402 | XmTextShowPosition ((Widget) m_mainWidget, textPosition); |
| 403 | m_modified = true; |
| 404 | } |
| 405 | |
| 406 | void wxTextCtrl::Clear() |
| 407 | { |
| 408 | XmTextSetString ((Widget) m_mainWidget, wxMOTIF_STR("")); |
| 409 | m_modified = false; |
| 410 | } |
| 411 | |
| 412 | bool wxTextCtrl::IsModified() const |
| 413 | { |
| 414 | return m_modified; |
| 415 | } |
| 416 | |
| 417 | // Makes modified or unmodified |
| 418 | void wxTextCtrl::MarkDirty() |
| 419 | { |
| 420 | m_modified = true; |
| 421 | } |
| 422 | |
| 423 | void wxTextCtrl::DiscardEdits() |
| 424 | { |
| 425 | m_modified = false; |
| 426 | } |
| 427 | |
| 428 | int wxTextCtrl::GetNumberOfLines() const |
| 429 | { |
| 430 | // HIDEOUSLY inefficient, but we have no choice. |
| 431 | char *s = XmTextGetString ((Widget) m_mainWidget); |
| 432 | if (s) |
| 433 | { |
| 434 | long i = 0; |
| 435 | int currentLine = 0; |
| 436 | bool finished = false; |
| 437 | while (!finished) |
| 438 | { |
| 439 | int ch = s[i]; |
| 440 | if (ch == '\n') |
| 441 | { |
| 442 | currentLine++; |
| 443 | i++; |
| 444 | } |
| 445 | else if (ch == 0) |
| 446 | { |
| 447 | finished = true; |
| 448 | } |
| 449 | else |
| 450 | i++; |
| 451 | } |
| 452 | |
| 453 | XtFree (s); |
| 454 | return currentLine; |
| 455 | } |
| 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | long wxTextCtrl::XYToPosition(long x, long y) const |
| 460 | { |
| 461 | /* It seems, that there is a bug in some versions of the Motif library, |
| 462 | so the original wxWin-Code doesn't work. */ |
| 463 | /* |
| 464 | Widget textWidget = (Widget) handle; |
| 465 | return (long) XmTextXYToPos (textWidget, (Position) x, (Position) y); |
| 466 | */ |
| 467 | /* Now a little workaround: */ |
| 468 | long r=0; |
| 469 | for (int i=0; i<y; i++) r+=(GetLineLength(i)+1); |
| 470 | return r+x; |
| 471 | } |
| 472 | |
| 473 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const |
| 474 | { |
| 475 | Position xx, yy; |
| 476 | XmTextPosToXY((Widget) m_mainWidget, pos, &xx, &yy); |
| 477 | if ( x ) |
| 478 | *x = xx; |
| 479 | if ( y ) |
| 480 | *y = yy; |
| 481 | |
| 482 | return true; |
| 483 | } |
| 484 | |
| 485 | void wxTextCtrl::ShowPosition(long pos) |
| 486 | { |
| 487 | XmTextShowPosition ((Widget) m_mainWidget, (XmTextPosition) pos); |
| 488 | } |
| 489 | |
| 490 | int wxTextCtrl::GetLineLength(long lineNo) const |
| 491 | { |
| 492 | wxString str = GetLineText (lineNo); |
| 493 | return (int) str.length(); |
| 494 | } |
| 495 | |
| 496 | wxString wxTextCtrl::GetLineText(long lineNo) const |
| 497 | { |
| 498 | // HIDEOUSLY inefficient, but we have no choice. |
| 499 | char *s = XmTextGetString ((Widget) m_mainWidget); |
| 500 | |
| 501 | if (s) |
| 502 | { |
| 503 | wxString buf; |
| 504 | long i; |
| 505 | int currentLine = 0; |
| 506 | for (i = 0; currentLine != lineNo && s[i]; i++ ) |
| 507 | if (s[i] == '\n') |
| 508 | currentLine++; |
| 509 | // Now get the text |
| 510 | int j; |
| 511 | for (j = 0; s[i] && s[i] != '\n'; i++, j++ ) |
| 512 | buf += s[i]; |
| 513 | |
| 514 | XtFree(s); |
| 515 | return buf; |
| 516 | } |
| 517 | else |
| 518 | return wxEmptyString; |
| 519 | } |
| 520 | |
| 521 | /* |
| 522 | * Text item |
| 523 | */ |
| 524 | |
| 525 | void wxTextCtrl::Command(wxCommandEvent & event) |
| 526 | { |
| 527 | SetValue (event.GetString()); |
| 528 | ProcessCommand (event); |
| 529 | } |
| 530 | |
| 531 | void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event) |
| 532 | { |
| 533 | // By default, load the first file into the text window. |
| 534 | if (event.GetNumberOfFiles() > 0) |
| 535 | { |
| 536 | LoadFile(event.GetFiles()[0]); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | void wxTextCtrl::OnChar(wxKeyEvent& event) |
| 541 | { |
| 542 | // Indicates that we should generate a normal command, because |
| 543 | // we're letting default behaviour happen (otherwise it's vetoed |
| 544 | // by virtue of overriding OnChar) |
| 545 | m_processedDefault = true; |
| 546 | |
| 547 | if (m_tempCallbackStruct) |
| 548 | { |
| 549 | XmTextVerifyCallbackStruct *textStruct = |
| 550 | (XmTextVerifyCallbackStruct *) m_tempCallbackStruct; |
| 551 | textStruct->doit = True; |
| 552 | if (isascii(event.m_keyCode) && (textStruct->text->length == 1)) |
| 553 | { |
| 554 | textStruct->text->ptr[0] = (char)((event.m_keyCode == WXK_RETURN) ? 10 : event.m_keyCode); |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | void wxTextCtrl::ChangeFont(bool keepOriginalSize) |
| 560 | { |
| 561 | wxWindow::ChangeFont(keepOriginalSize); |
| 562 | } |
| 563 | |
| 564 | void wxTextCtrl::ChangeBackgroundColour() |
| 565 | { |
| 566 | wxWindow::ChangeBackgroundColour(); |
| 567 | |
| 568 | /* TODO: should scrollbars be affected? Should probably have separate |
| 569 | * function to change them (by default, taken from wxSystemSettings) |
| 570 | */ |
| 571 | if (m_windowStyle & wxTE_MULTILINE) |
| 572 | { |
| 573 | Widget parent = XtParent ((Widget) m_mainWidget); |
| 574 | Widget hsb, vsb; |
| 575 | |
| 576 | XtVaGetValues (parent, |
| 577 | XmNhorizontalScrollBar, &hsb, |
| 578 | XmNverticalScrollBar, &vsb, |
| 579 | NULL); |
| 580 | wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); |
| 581 | if (hsb) |
| 582 | wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true); |
| 583 | if (vsb) |
| 584 | wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true); |
| 585 | |
| 586 | // MBN: why change parent background? |
| 587 | // DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true); |
| 588 | } |
| 589 | } |
| 590 | |
| 591 | void wxTextCtrl::ChangeForegroundColour() |
| 592 | { |
| 593 | wxWindow::ChangeForegroundColour(); |
| 594 | |
| 595 | if (m_windowStyle & wxTE_MULTILINE) |
| 596 | { |
| 597 | Widget parent = XtParent ((Widget) m_mainWidget); |
| 598 | Widget hsb, vsb; |
| 599 | |
| 600 | XtVaGetValues (parent, |
| 601 | XmNhorizontalScrollBar, &hsb, |
| 602 | XmNverticalScrollBar, &vsb, |
| 603 | NULL); |
| 604 | |
| 605 | /* TODO: should scrollbars be affected? Should probably have separate |
| 606 | * function to change them (by default, taken from wxSystemSettings) |
| 607 | if (hsb) |
| 608 | DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour); |
| 609 | if (vsb) |
| 610 | DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour); |
| 611 | */ |
| 612 | wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour); |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | void wxTextCtrl::DoSendEvents(void *wxcbs, long keycode) |
| 617 | { |
| 618 | // we're in process of updating the text control |
| 619 | m_tempCallbackStruct = wxcbs; |
| 620 | |
| 621 | XmTextVerifyCallbackStruct *cbs = (XmTextVerifyCallbackStruct *)wxcbs; |
| 622 | |
| 623 | wxKeyEvent event (wxEVT_CHAR); |
| 624 | event.SetId(GetId()); |
| 625 | event.m_keyCode = keycode; |
| 626 | event.SetEventObject(this); |
| 627 | |
| 628 | // Only if wxTextCtrl::OnChar is called will this be set to True (and |
| 629 | // the character passed through) |
| 630 | cbs->doit = False; |
| 631 | |
| 632 | GetEventHandler()->ProcessEvent(event); |
| 633 | |
| 634 | if ( !InSetValue() && m_processedDefault ) |
| 635 | { |
| 636 | // Can generate a command |
| 637 | wxCommandEvent commandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId()); |
| 638 | commandEvent.SetEventObject(this); |
| 639 | ProcessCommand(commandEvent); |
| 640 | } |
| 641 | |
| 642 | // do it after the (user) event handlers processed the events because |
| 643 | // otherwise GetValue() would return incorrect (not yet updated value) |
| 644 | m_tempCallbackStruct = NULL; |
| 645 | } |
| 646 | |
| 647 | wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget, |
| 648 | const wxWindow* window ) |
| 649 | { |
| 650 | Dimension xmargin, ymargin, highlight, shadow; |
| 651 | char* value; |
| 652 | |
| 653 | XtVaGetValues( textWidget, |
| 654 | XmNmarginWidth, &xmargin, |
| 655 | XmNmarginHeight, &ymargin, |
| 656 | XmNvalue, &value, |
| 657 | XmNhighlightThickness, &highlight, |
| 658 | XmNshadowThickness, &shadow, |
| 659 | NULL ); |
| 660 | |
| 661 | if( !value ) |
| 662 | value = wxMOTIF_STR("|"); |
| 663 | |
| 664 | int x, y; |
| 665 | window->GetTextExtent( value, &x, &y ); |
| 666 | |
| 667 | if( x < 100 ) |
| 668 | x = 100; |
| 669 | |
| 670 | return wxSize( x + 2 * xmargin + 2 * highlight + 2 * shadow, |
| 671 | // MBN: +2 necessary: Lesstif bug or mine? |
| 672 | y + 2 * ymargin + 2 * highlight + 2 * shadow + 2 ); |
| 673 | } |
| 674 | |
| 675 | wxSize wxTextCtrl::DoGetBestSize() const |
| 676 | { |
| 677 | if( IsSingleLine() ) |
| 678 | { |
| 679 | wxSize best = wxControl::DoGetBestSize(); |
| 680 | |
| 681 | if( best.x < 110 ) best.x = 110; |
| 682 | |
| 683 | return best; |
| 684 | } |
| 685 | else |
| 686 | return wxWindow::DoGetBestSize(); |
| 687 | } |
| 688 | |
| 689 | // ---------------------------------------------------------------------------- |
| 690 | // helpers and Motif callbacks |
| 691 | // ---------------------------------------------------------------------------- |
| 692 | |
| 693 | static void MergeChangesIntoString(wxString& value, |
| 694 | XmTextVerifyCallbackStruct *cbs) |
| 695 | { |
| 696 | /* _sm_ |
| 697 | * At least on my system (SunOS 4.1.3 + Motif 1.2), you need to think of |
| 698 | * every event as a replace event. cbs->text->ptr gives the replacement |
| 699 | * text, cbs->startPos gives the index of the first char affected by the |
| 700 | * replace, and cbs->endPos gives the index one more than the last char |
| 701 | * affected by the replace (startPos == endPos implies an empty range). |
| 702 | * Hence, a deletion is represented by replacing all input text with a |
| 703 | * blank string ("", *not* NULL!). A simple insertion that does not |
| 704 | * overwrite any text has startPos == endPos. |
| 705 | */ |
| 706 | |
| 707 | if ( !value ) |
| 708 | { |
| 709 | // easy case: the ol value was empty |
| 710 | value = cbs->text->ptr; |
| 711 | } |
| 712 | else |
| 713 | { |
| 714 | // merge the changes into the value |
| 715 | const char * const passwd = value; |
| 716 | int len = value.length(); |
| 717 | |
| 718 | len += ( cbs->text->ptr ? |
| 719 | strlen(cbs->text->ptr) : |
| 720 | 0 ) + 1; // + new text (if any) + NUL |
| 721 | len -= cbs->endPos - cbs->startPos; // - text from affected region. |
| 722 | |
| 723 | char * newS = new char [len]; |
| 724 | char * dest = newS, |
| 725 | * insert = cbs->text->ptr; |
| 726 | |
| 727 | // Copy (old) text from passwd, up to the start posn of the change. |
| 728 | int i; |
| 729 | const char * p = passwd; |
| 730 | for (i = 0; i < cbs->startPos; ++i) |
| 731 | *dest++ = *p++; |
| 732 | |
| 733 | // Copy the text to be inserted). |
| 734 | if (insert) |
| 735 | while (*insert) |
| 736 | *dest++ = *insert++; |
| 737 | |
| 738 | // Finally, copy into newS any remaining text from passwd[endPos] on. |
| 739 | for (p = passwd + cbs->endPos; *p; ) |
| 740 | *dest++ = *p++; |
| 741 | *dest = 0; |
| 742 | |
| 743 | value = newS; |
| 744 | |
| 745 | delete[] newS; |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | static void |
| 750 | wxTextWindowChangedProc (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr)) |
| 751 | { |
| 752 | if (!wxGetWindowFromTable(w)) |
| 753 | // Widget has been deleted! |
| 754 | return; |
| 755 | |
| 756 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
| 757 | tw->SetModified(true); |
| 758 | } |
| 759 | |
| 760 | static void |
| 761 | wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCallbackStruct *cbs) |
| 762 | { |
| 763 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
| 764 | tw->m_processedDefault = false; |
| 765 | |
| 766 | // First, do some stuff if it's a password control: in this case, we need |
| 767 | // to store the string inside the class because GetValue() can't retrieve |
| 768 | // it from the text ctrl. We do *not* do it in other circumstances because |
| 769 | // it would double the amount of memory needed. |
| 770 | |
| 771 | if ( tw->GetWindowStyleFlag() & wxTE_PASSWORD ) |
| 772 | { |
| 773 | MergeChangesIntoString(tw->m_value, cbs); |
| 774 | |
| 775 | if ( cbs->text->length > 0 ) |
| 776 | { |
| 777 | int i; |
| 778 | for (i = 0; i < cbs->text->length; ++i) |
| 779 | cbs->text->ptr[i] = '*'; |
| 780 | cbs->text->ptr[i] = '\0'; |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | if(tw->InSetValue()) |
| 785 | return; |
| 786 | |
| 787 | // If we're already within an OnChar, return: probably a programmatic |
| 788 | // insertion. |
| 789 | if (tw->m_tempCallbackStruct) |
| 790 | return; |
| 791 | |
| 792 | // Check for a backspace |
| 793 | if (cbs->startPos == (cbs->currInsert - 1)) |
| 794 | { |
| 795 | tw->DoSendEvents((void *)cbs, WXK_DELETE); |
| 796 | |
| 797 | return; |
| 798 | } |
| 799 | |
| 800 | // Pasting operation: let it through without calling OnChar |
| 801 | if (cbs->text->length > 1) |
| 802 | return; |
| 803 | |
| 804 | // Something other than text |
| 805 | if (cbs->text->ptr == NULL) |
| 806 | return; |
| 807 | |
| 808 | // normal key press |
| 809 | char ch = cbs->text->ptr[0]; |
| 810 | tw->DoSendEvents((void *)cbs, ch == '\n' ? '\r' : ch); |
| 811 | } |
| 812 | |
| 813 | static void |
| 814 | wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs)) |
| 815 | { |
| 816 | if (!wxGetWindowFromTable(w)) |
| 817 | return; |
| 818 | |
| 819 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
| 820 | wxFocusEvent event(wxEVT_SET_FOCUS, tw->GetId()); |
| 821 | event.SetEventObject(tw); |
| 822 | tw->GetEventHandler()->ProcessEvent(event); |
| 823 | } |
| 824 | |
| 825 | static void |
| 826 | wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs)) |
| 827 | { |
| 828 | if (!wxGetWindowFromTable(w)) |
| 829 | return; |
| 830 | |
| 831 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
| 832 | wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId()); |
| 833 | event.SetEventObject(tw); |
| 834 | tw->GetEventHandler()->ProcessEvent(event); |
| 835 | } |
| 836 | |
| 837 | static void wxTextWindowActivateProc(Widget w, XtPointer clientData, |
| 838 | XmAnyCallbackStruct *WXUNUSED(ptr)) |
| 839 | { |
| 840 | if (!wxGetWindowFromTable(w)) |
| 841 | return; |
| 842 | |
| 843 | wxTextCtrl *tw = (wxTextCtrl *) clientData; |
| 844 | |
| 845 | if (tw->InSetValue()) |
| 846 | return; |
| 847 | |
| 848 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER); |
| 849 | event.SetId(tw->GetId()); |
| 850 | event.SetEventObject(tw); |
| 851 | tw->ProcessCommand(event); |
| 852 | } |
| 853 | |
| 854 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) |
| 855 | { |
| 856 | Cut(); |
| 857 | } |
| 858 | |
| 859 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) |
| 860 | { |
| 861 | Copy(); |
| 862 | } |
| 863 | |
| 864 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) |
| 865 | { |
| 866 | Paste(); |
| 867 | } |
| 868 | |
| 869 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) |
| 870 | { |
| 871 | Undo(); |
| 872 | } |
| 873 | |
| 874 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) |
| 875 | { |
| 876 | Redo(); |
| 877 | } |
| 878 | |
| 879 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) |
| 880 | { |
| 881 | event.Enable( CanCut() ); |
| 882 | } |
| 883 | |
| 884 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) |
| 885 | { |
| 886 | event.Enable( CanCopy() ); |
| 887 | } |
| 888 | |
| 889 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) |
| 890 | { |
| 891 | event.Enable( CanPaste() ); |
| 892 | } |
| 893 | |
| 894 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) |
| 895 | { |
| 896 | event.Enable( CanUndo() ); |
| 897 | } |
| 898 | |
| 899 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) |
| 900 | { |
| 901 | event.Enable( CanRedo() ); |
| 902 | } |