| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/fdrepdlg.cpp |
| 3 | // Purpose: wxFindReplaceDialog class |
| 4 | // Author: Markus Greither and Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 23/03/2001 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Markus Greither |
| 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 __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_FINDREPLDLG |
| 28 | |
| 29 | #ifndef WX_PRECOMP |
| 30 | #include "wx/msw/wrapcdlg.h" |
| 31 | #include "wx/intl.h" |
| 32 | #include "wx/log.h" |
| 33 | #endif |
| 34 | |
| 35 | #include "wx/fdrepdlg.h" |
| 36 | |
| 37 | #include "wx/msw/mslu.h" |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | // functions prototypes |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | |
| 43 | LRESULT CALLBACK wxFindReplaceWindowProc(HWND hwnd, WXUINT nMsg, |
| 44 | WPARAM wParam, LPARAM lParam); |
| 45 | |
| 46 | UINT_PTR CALLBACK wxFindReplaceDialogHookProc(HWND hwnd, |
| 47 | UINT uiMsg, |
| 48 | WPARAM wParam, |
| 49 | LPARAM lParam); |
| 50 | |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | // wxWin macros |
| 53 | // ---------------------------------------------------------------------------- |
| 54 | |
| 55 | IMPLEMENT_DYNAMIC_CLASS(wxFindReplaceDialog, wxDialog) |
| 56 | |
| 57 | // ---------------------------------------------------------------------------- |
| 58 | // wxFindReplaceDialogImpl: the internals of wxFindReplaceDialog |
| 59 | // ---------------------------------------------------------------------------- |
| 60 | |
| 61 | class WXDLLEXPORT wxFindReplaceDialogImpl |
| 62 | { |
| 63 | public: |
| 64 | wxFindReplaceDialogImpl(wxFindReplaceDialog *dialog, int flagsWX); |
| 65 | ~wxFindReplaceDialogImpl(); |
| 66 | |
| 67 | void InitFindWhat(const wxString& str); |
| 68 | void InitReplaceWith(const wxString& str); |
| 69 | |
| 70 | void SubclassDialog(HWND hwnd); |
| 71 | |
| 72 | static UINT GetFindDialogMessage() { return ms_msgFindDialog; } |
| 73 | |
| 74 | // only for passing to ::FindText or ::ReplaceText |
| 75 | FINDREPLACE *GetPtrFindReplace() { return &m_findReplace; } |
| 76 | |
| 77 | // set/query the "closed by user" flag |
| 78 | void SetClosedByUser() { m_wasClosedByUser = true; } |
| 79 | bool WasClosedByUser() const { return m_wasClosedByUser; } |
| 80 | |
| 81 | private: |
| 82 | void InitString(const wxString& str, LPTSTR *ppStr, WORD *pLen); |
| 83 | |
| 84 | // the owner of the dialog |
| 85 | HWND m_hwndOwner; |
| 86 | |
| 87 | // the previous window proc of our owner |
| 88 | WNDPROC m_oldParentWndProc; |
| 89 | |
| 90 | // the find replace data used by the dialog |
| 91 | FINDREPLACE m_findReplace; |
| 92 | |
| 93 | // true if the user closed us, false otherwise |
| 94 | bool m_wasClosedByUser; |
| 95 | |
| 96 | // registered Message for Dialog |
| 97 | static UINT ms_msgFindDialog; |
| 98 | |
| 99 | DECLARE_NO_COPY_CLASS(wxFindReplaceDialogImpl) |
| 100 | }; |
| 101 | |
| 102 | UINT wxFindReplaceDialogImpl::ms_msgFindDialog = 0; |
| 103 | |
| 104 | // ============================================================================ |
| 105 | // implementation |
| 106 | // ============================================================================ |
| 107 | |
| 108 | // ---------------------------------------------------------------------------- |
| 109 | // wxFindReplaceDialogImpl |
| 110 | // ---------------------------------------------------------------------------- |
| 111 | |
| 112 | wxFindReplaceDialogImpl::wxFindReplaceDialogImpl(wxFindReplaceDialog *dialog, |
| 113 | int flagsWX) |
| 114 | { |
| 115 | // get the identifier for the find dialog message if we don't have it yet |
| 116 | if ( !ms_msgFindDialog ) |
| 117 | { |
| 118 | ms_msgFindDialog = ::RegisterWindowMessage(FINDMSGSTRING); |
| 119 | |
| 120 | if ( !ms_msgFindDialog ) |
| 121 | { |
| 122 | wxLogLastError(_T("RegisterWindowMessage(FINDMSGSTRING)")); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | m_hwndOwner = NULL; |
| 127 | m_oldParentWndProc = NULL; |
| 128 | |
| 129 | m_wasClosedByUser = false; |
| 130 | |
| 131 | wxZeroMemory(m_findReplace); |
| 132 | |
| 133 | // translate the flags: first the dialog creation flags |
| 134 | |
| 135 | // always set this to be able to set the title |
| 136 | int flags = FR_ENABLEHOOK; |
| 137 | |
| 138 | int flagsDialog = dialog->GetWindowStyle(); |
| 139 | if ( flagsDialog & wxFR_NOMATCHCASE) |
| 140 | flags |= FR_NOMATCHCASE; |
| 141 | if ( flagsDialog & wxFR_NOWHOLEWORD) |
| 142 | flags |= FR_NOWHOLEWORD; |
| 143 | if ( flagsDialog & wxFR_NOUPDOWN) |
| 144 | flags |= FR_NOUPDOWN; |
| 145 | |
| 146 | // and now the flags governing the initial values of the dialogs controls |
| 147 | if ( flagsWX & wxFR_DOWN) |
| 148 | flags |= FR_DOWN; |
| 149 | if ( flagsWX & wxFR_MATCHCASE) |
| 150 | flags |= FR_MATCHCASE; |
| 151 | if ( flagsWX & wxFR_WHOLEWORD ) |
| 152 | flags |= FR_WHOLEWORD; |
| 153 | |
| 154 | m_findReplace.lStructSize = sizeof(FINDREPLACE); |
| 155 | m_findReplace.hwndOwner = GetHwndOf(dialog->GetParent()); |
| 156 | m_findReplace.Flags = flags; |
| 157 | |
| 158 | m_findReplace.lCustData = (LPARAM)dialog; |
| 159 | m_findReplace.lpfnHook = wxFindReplaceDialogHookProc; |
| 160 | } |
| 161 | |
| 162 | void wxFindReplaceDialogImpl::InitString(const wxString& str, |
| 163 | LPTSTR *ppStr, WORD *pLen) |
| 164 | { |
| 165 | size_t len = str.length() + 1; |
| 166 | if ( len < 80 ) |
| 167 | { |
| 168 | // MSDN docs say that the buffer must be at least 80 chars |
| 169 | len = 80; |
| 170 | } |
| 171 | |
| 172 | *ppStr = new wxChar[len]; |
| 173 | wxStrcpy(*ppStr, str); |
| 174 | *pLen = (WORD)len; |
| 175 | } |
| 176 | |
| 177 | void wxFindReplaceDialogImpl::InitFindWhat(const wxString& str) |
| 178 | { |
| 179 | InitString(str, &m_findReplace.lpstrFindWhat, &m_findReplace.wFindWhatLen); |
| 180 | } |
| 181 | |
| 182 | void wxFindReplaceDialogImpl::InitReplaceWith(const wxString& str) |
| 183 | { |
| 184 | InitString(str, |
| 185 | &m_findReplace.lpstrReplaceWith, |
| 186 | &m_findReplace.wReplaceWithLen); |
| 187 | } |
| 188 | |
| 189 | void wxFindReplaceDialogImpl::SubclassDialog(HWND hwnd) |
| 190 | { |
| 191 | m_hwndOwner = hwnd; |
| 192 | |
| 193 | // check that we don't subclass the parent twice: this would be a bad idea |
| 194 | // as then we'd have infinite recursion in wxFindReplaceWindowProc |
| 195 | wxCHECK_RET( wxGetWindowProc(hwnd) != &wxFindReplaceWindowProc, |
| 196 | _T("can't have more than one find dialog currently") ); |
| 197 | |
| 198 | // set the new one and save the old as user data to allow access to it |
| 199 | // from wxFindReplaceWindowProc |
| 200 | m_oldParentWndProc = wxSetWindowProc(hwnd, wxFindReplaceWindowProc); |
| 201 | |
| 202 | wxSetWindowUserData(hwnd, (void *)m_oldParentWndProc); |
| 203 | } |
| 204 | |
| 205 | wxFindReplaceDialogImpl::~wxFindReplaceDialogImpl() |
| 206 | { |
| 207 | delete [] m_findReplace.lpstrFindWhat; |
| 208 | delete [] m_findReplace.lpstrReplaceWith; |
| 209 | |
| 210 | if ( m_hwndOwner ) |
| 211 | { |
| 212 | // undo subclassing |
| 213 | wxSetWindowProc(m_hwndOwner, m_oldParentWndProc); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | // ---------------------------------------------------------------------------- |
| 218 | // Window Proc for handling RegisterWindowMessage(FINDMSGSTRING) |
| 219 | // ---------------------------------------------------------------------------- |
| 220 | |
| 221 | LRESULT CALLBACK wxFindReplaceWindowProc(HWND hwnd, WXUINT nMsg, |
| 222 | WPARAM wParam, LPARAM lParam) |
| 223 | { |
| 224 | #if wxUSE_UNICODE_MSLU |
| 225 | static unsigned long s_lastMsgFlags = 0; |
| 226 | |
| 227 | // This flag helps us to identify the bogus ANSI message |
| 228 | // sent by UNICOWS.DLL (see below) |
| 229 | // while we're sending our message to the dialog |
| 230 | // we ignore possible messages sent in between |
| 231 | static bool s_blockMsg = false; |
| 232 | #endif // wxUSE_UNICODE_MSLU |
| 233 | |
| 234 | if ( nMsg == wxFindReplaceDialogImpl::GetFindDialogMessage() ) |
| 235 | { |
| 236 | FINDREPLACE *pFR = (FINDREPLACE *)lParam; |
| 237 | |
| 238 | #if wxUSE_UNICODE_MSLU |
| 239 | // This is a hack for a MSLU problem: Versions up to 1.0.4011 |
| 240 | // of UNICOWS.DLL send the correct UNICODE item after button press |
| 241 | // and a bogus ANSI mode item right after this, so lets ignore |
| 242 | // the second bogus message |
| 243 | if ( wxUsingUnicowsDll() && s_lastMsgFlags == pFR->Flags ) |
| 244 | { |
| 245 | s_lastMsgFlags = 0; |
| 246 | return 0; |
| 247 | } |
| 248 | s_lastMsgFlags = pFR->Flags; |
| 249 | #endif // wxUSE_UNICODE_MSLU |
| 250 | |
| 251 | wxFindReplaceDialog *dialog = (wxFindReplaceDialog *)pFR->lCustData; |
| 252 | |
| 253 | // map flags from Windows |
| 254 | wxEventType evtType; |
| 255 | |
| 256 | bool replace = false; |
| 257 | if ( pFR->Flags & FR_DIALOGTERM ) |
| 258 | { |
| 259 | // we have to notify the dialog that it's being closed by user and |
| 260 | // not deleted programmatically as it behaves differently in these |
| 261 | // 2 cases |
| 262 | dialog->GetImpl()->SetClosedByUser(); |
| 263 | |
| 264 | evtType = wxEVT_COMMAND_FIND_CLOSE; |
| 265 | } |
| 266 | else if ( pFR->Flags & FR_FINDNEXT ) |
| 267 | { |
| 268 | evtType = wxEVT_COMMAND_FIND_NEXT; |
| 269 | } |
| 270 | else if ( pFR->Flags & FR_REPLACE ) |
| 271 | { |
| 272 | evtType = wxEVT_COMMAND_FIND_REPLACE; |
| 273 | |
| 274 | replace = true; |
| 275 | } |
| 276 | else if ( pFR->Flags & FR_REPLACEALL ) |
| 277 | { |
| 278 | evtType = wxEVT_COMMAND_FIND_REPLACE_ALL; |
| 279 | |
| 280 | replace = true; |
| 281 | } |
| 282 | else |
| 283 | { |
| 284 | wxFAIL_MSG( _T("unknown find dialog event") ); |
| 285 | |
| 286 | return 0; |
| 287 | } |
| 288 | |
| 289 | wxUint32 flags = 0; |
| 290 | if ( pFR->Flags & FR_DOWN ) |
| 291 | flags |= wxFR_DOWN; |
| 292 | if ( pFR->Flags & FR_WHOLEWORD ) |
| 293 | flags |= wxFR_WHOLEWORD; |
| 294 | if ( pFR->Flags & FR_MATCHCASE ) |
| 295 | flags |= wxFR_MATCHCASE; |
| 296 | |
| 297 | wxFindDialogEvent event(evtType, dialog->GetId()); |
| 298 | event.SetEventObject(dialog); |
| 299 | event.SetFlags(flags); |
| 300 | event.SetFindString(pFR->lpstrFindWhat); |
| 301 | if ( replace ) |
| 302 | { |
| 303 | event.SetReplaceString(pFR->lpstrReplaceWith); |
| 304 | } |
| 305 | |
| 306 | #if wxUSE_UNICODE_MSLU |
| 307 | s_blockMsg = true; |
| 308 | #endif // wxUSE_UNICODE_MSLU |
| 309 | |
| 310 | dialog->Send(event); |
| 311 | |
| 312 | #if wxUSE_UNICODE_MSLU |
| 313 | s_blockMsg = false; |
| 314 | #endif // wxUSE_UNICODE_MSLU |
| 315 | } |
| 316 | #if wxUSE_UNICODE_MSLU |
| 317 | else if ( !s_blockMsg ) |
| 318 | s_lastMsgFlags = 0; |
| 319 | #endif // wxUSE_UNICODE_MSLU |
| 320 | |
| 321 | WNDPROC wndProc = (WNDPROC)wxGetWindowUserData(hwnd); |
| 322 | |
| 323 | // sanity check |
| 324 | wxASSERT_MSG( wndProc != wxFindReplaceWindowProc, |
| 325 | _T("infinite recursion detected") ); |
| 326 | |
| 327 | return ::CallWindowProc(wndProc, hwnd, nMsg, wParam, lParam); |
| 328 | } |
| 329 | |
| 330 | // ---------------------------------------------------------------------------- |
| 331 | // Find/replace dialog hook proc |
| 332 | // ---------------------------------------------------------------------------- |
| 333 | |
| 334 | UINT_PTR CALLBACK |
| 335 | wxFindReplaceDialogHookProc(HWND hwnd, |
| 336 | UINT uiMsg, |
| 337 | WPARAM WXUNUSED(wParam), |
| 338 | LPARAM lParam) |
| 339 | { |
| 340 | if ( uiMsg == WM_INITDIALOG ) |
| 341 | { |
| 342 | FINDREPLACE *pFR = (FINDREPLACE *)lParam; |
| 343 | wxFindReplaceDialog *dialog = (wxFindReplaceDialog *)pFR->lCustData; |
| 344 | |
| 345 | ::SetWindowText(hwnd, dialog->GetTitle()); |
| 346 | |
| 347 | // don't return FALSE from here or the dialog won't be shown |
| 348 | return TRUE; |
| 349 | } |
| 350 | |
| 351 | return 0; |
| 352 | } |
| 353 | |
| 354 | // ============================================================================ |
| 355 | // wxFindReplaceDialog implementation |
| 356 | // ============================================================================ |
| 357 | |
| 358 | // ---------------------------------------------------------------------------- |
| 359 | // wxFindReplaceDialog ctors/dtor |
| 360 | // ---------------------------------------------------------------------------- |
| 361 | |
| 362 | void wxFindReplaceDialog::Init() |
| 363 | { |
| 364 | m_impl = NULL; |
| 365 | m_FindReplaceData = NULL; |
| 366 | |
| 367 | // as we're created in the hidden state, bring the internal flag in sync |
| 368 | m_isShown = false; |
| 369 | } |
| 370 | |
| 371 | wxFindReplaceDialog::wxFindReplaceDialog(wxWindow *parent, |
| 372 | wxFindReplaceData *data, |
| 373 | const wxString &title, |
| 374 | int flags) |
| 375 | : wxFindReplaceDialogBase(parent, data, title, flags) |
| 376 | { |
| 377 | Init(); |
| 378 | |
| 379 | (void)Create(parent, data, title, flags); |
| 380 | } |
| 381 | |
| 382 | wxFindReplaceDialog::~wxFindReplaceDialog() |
| 383 | { |
| 384 | // the dialog might have been already deleted if the user closed it |
| 385 | // manually but in this case we should have got a notification about it and |
| 386 | // the flagmust have been set |
| 387 | if ( !m_impl->WasClosedByUser() ) |
| 388 | { |
| 389 | // if it wasn't, delete the dialog ourselves |
| 390 | if ( !::DestroyWindow(GetHwnd()) ) |
| 391 | { |
| 392 | wxLogLastError(_T("DestroyWindow(find dialog)")); |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | // unsubclass the parent |
| 397 | delete m_impl; |
| 398 | |
| 399 | // prevent the base class dtor from trying to hide us! |
| 400 | m_isShown = false; |
| 401 | |
| 402 | // and from destroying our window [again] |
| 403 | m_hWnd = (WXHWND)NULL; |
| 404 | } |
| 405 | |
| 406 | bool wxFindReplaceDialog::Create(wxWindow *parent, |
| 407 | wxFindReplaceData *data, |
| 408 | const wxString &title, |
| 409 | int flags) |
| 410 | { |
| 411 | m_windowStyle = flags; |
| 412 | m_FindReplaceData = data; |
| 413 | m_parent = parent; |
| 414 | |
| 415 | SetTitle(title); |
| 416 | |
| 417 | // we must have a parent as it will get the messages from us |
| 418 | return parent != NULL; |
| 419 | } |
| 420 | |
| 421 | // ---------------------------------------------------------------------------- |
| 422 | // wxFindReplaceData show/hide |
| 423 | // ---------------------------------------------------------------------------- |
| 424 | |
| 425 | bool wxFindReplaceDialog::Show(bool show) |
| 426 | { |
| 427 | if ( !wxWindowBase::Show(show) ) |
| 428 | { |
| 429 | // visibility status didn't change |
| 430 | return false; |
| 431 | } |
| 432 | |
| 433 | // do we already have the dialog window? |
| 434 | if ( m_hWnd ) |
| 435 | { |
| 436 | // yes, just use it |
| 437 | (void)::ShowWindow(GetHwnd(), show ? SW_SHOW : SW_HIDE); |
| 438 | |
| 439 | return true; |
| 440 | } |
| 441 | |
| 442 | if ( !show ) |
| 443 | { |
| 444 | // well, it doesn't exist which is as good as being hidden |
| 445 | return true; |
| 446 | } |
| 447 | |
| 448 | wxCHECK_MSG( m_FindReplaceData, false, _T("call Create() first!") ); |
| 449 | |
| 450 | wxASSERT_MSG( !m_impl, _T("why don't we have the window then?") ); |
| 451 | |
| 452 | m_impl = new wxFindReplaceDialogImpl(this, m_FindReplaceData->GetFlags()); |
| 453 | |
| 454 | m_impl->InitFindWhat(m_FindReplaceData->GetFindString()); |
| 455 | |
| 456 | bool replace = HasFlag(wxFR_REPLACEDIALOG); |
| 457 | if ( replace ) |
| 458 | { |
| 459 | m_impl->InitReplaceWith(m_FindReplaceData->GetReplaceString()); |
| 460 | } |
| 461 | |
| 462 | // call the right function to show the dialog which does what we want |
| 463 | FINDREPLACE *pFR = m_impl->GetPtrFindReplace(); |
| 464 | HWND hwnd; |
| 465 | if ( replace ) |
| 466 | hwnd = ::ReplaceText(pFR); |
| 467 | else |
| 468 | hwnd = ::FindText(pFR); |
| 469 | |
| 470 | if ( !hwnd ) |
| 471 | { |
| 472 | wxLogError(_("Failed to create the standard find/replace dialog (error code %d)"), |
| 473 | ::CommDlgExtendedError()); |
| 474 | |
| 475 | delete m_impl; |
| 476 | m_impl = NULL; |
| 477 | |
| 478 | return false; |
| 479 | } |
| 480 | |
| 481 | // subclass parent window in order to get FINDMSGSTRING message |
| 482 | m_impl->SubclassDialog(GetHwndOf(m_parent)); |
| 483 | |
| 484 | if ( !::ShowWindow(hwnd, SW_SHOW) ) |
| 485 | { |
| 486 | wxLogLastError(_T("ShowWindow(find dialog)")); |
| 487 | } |
| 488 | |
| 489 | m_hWnd = (WXHWND)hwnd; |
| 490 | |
| 491 | return true; |
| 492 | } |
| 493 | |
| 494 | // ---------------------------------------------------------------------------- |
| 495 | // wxFindReplaceDialog title handling |
| 496 | // ---------------------------------------------------------------------------- |
| 497 | |
| 498 | // we set the title of this dialog in our jook proc but for now don't crash in |
| 499 | // the base class version because of m_hWnd == 0 |
| 500 | |
| 501 | void wxFindReplaceDialog::SetTitle( const wxString& title) |
| 502 | { |
| 503 | m_title = title; |
| 504 | } |
| 505 | |
| 506 | wxString wxFindReplaceDialog::GetTitle() const |
| 507 | { |
| 508 | return m_title; |
| 509 | } |
| 510 | |
| 511 | // ---------------------------------------------------------------------------- |
| 512 | // wxFindReplaceDialog position/size |
| 513 | // ---------------------------------------------------------------------------- |
| 514 | |
| 515 | void wxFindReplaceDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y), |
| 516 | int WXUNUSED(width), int WXUNUSED(height), |
| 517 | int WXUNUSED(sizeFlags)) |
| 518 | { |
| 519 | // ignore - we can't change the size of this standard dialog |
| 520 | return; |
| 521 | } |
| 522 | |
| 523 | // NB: of course, both of these functions are completely bogus, but it's better |
| 524 | // than nothing |
| 525 | void wxFindReplaceDialog::DoGetSize(int *width, int *height) const |
| 526 | { |
| 527 | // the standard dialog size |
| 528 | if ( width ) |
| 529 | *width = 225; |
| 530 | if ( height ) |
| 531 | *height = 324; |
| 532 | } |
| 533 | |
| 534 | void wxFindReplaceDialog::DoGetClientSize(int *width, int *height) const |
| 535 | { |
| 536 | // the standard dialog size |
| 537 | if ( width ) |
| 538 | *width = 219; |
| 539 | if ( height ) |
| 540 | *height = 299; |
| 541 | } |
| 542 | |
| 543 | #endif // wxUSE_FINDREPLDLG |