| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/wince/textctrlce.cpp |
| 3 | // Purpose: wxTextCtrl implementation for smart phones driven by WinCE |
| 4 | // Author: Wlodzimierz ABX Skiba |
| 5 | // Modified by: |
| 6 | // Created: 30.08.2004 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Wlodzimierz Skiba |
| 9 | // License: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | |
| 13 | // ============================================================================ |
| 14 | // declarations |
| 15 | // ============================================================================ |
| 16 | |
| 17 | // ---------------------------------------------------------------------------- |
| 18 | // headers |
| 19 | // ---------------------------------------------------------------------------- |
| 20 | |
| 21 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 22 | #pragma implementation "textctrlce.h" |
| 23 | #endif |
| 24 | |
| 25 | // For compilers that support precompilation, includes "wx.h". |
| 26 | #include "wx/wxprec.h" |
| 27 | |
| 28 | #ifdef __BORLANDC__ |
| 29 | #pragma hdrstop |
| 30 | #endif |
| 31 | |
| 32 | #ifndef WX_PRECOMP |
| 33 | #include "wx/textctrl.h" |
| 34 | #endif |
| 35 | |
| 36 | #include "wx/spinbutt.h" |
| 37 | #include "wx/textfile.h" |
| 38 | |
| 39 | #include <commctrl.h> |
| 40 | #include "wx/msw/missing.h" |
| 41 | #include "wx/msw/winundef.h" |
| 42 | |
| 43 | #if wxUSE_TEXTCTRL && defined(__SMARTPHONE__) && defined(__WXWINCE__) |
| 44 | |
| 45 | #define GetBuddyHwnd() (HWND)(m_hwndBuddy) |
| 46 | |
| 47 | #define IsVertical(wxStyle) (true) |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | // event tables and other macros |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | |
| 53 | #if wxUSE_EXTENDED_RTTI |
| 54 | // TODO |
| 55 | #else |
| 56 | IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) |
| 57 | #endif |
| 58 | |
| 59 | BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) |
| 60 | EVT_CHAR(wxTextCtrl::OnChar) |
| 61 | |
| 62 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) |
| 63 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) |
| 64 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) |
| 65 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) |
| 66 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) |
| 67 | EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete) |
| 68 | EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll) |
| 69 | |
| 70 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) |
| 71 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) |
| 72 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) |
| 73 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) |
| 74 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) |
| 75 | EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete) |
| 76 | EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll) |
| 77 | |
| 78 | EVT_SET_FOCUS(wxTextCtrl::OnSetFocus) |
| 79 | END_EVENT_TABLE() |
| 80 | |
| 81 | // ---------------------------------------------------------------------------- |
| 82 | // constants |
| 83 | // ---------------------------------------------------------------------------- |
| 84 | |
| 85 | // the margin between the up-down control and its buddy (can be arbitrary, |
| 86 | // choose what you like - or may be decide during run-time depending on the |
| 87 | // font size?) |
| 88 | static const int MARGIN_BETWEEN = 0; |
| 89 | |
| 90 | // ============================================================================ |
| 91 | // implementation |
| 92 | // ============================================================================ |
| 93 | |
| 94 | wxArrayTextSpins wxTextCtrl::ms_allTextSpins; |
| 95 | |
| 96 | // ---------------------------------------------------------------------------- |
| 97 | // wnd proc for the buddy text ctrl |
| 98 | // ---------------------------------------------------------------------------- |
| 99 | |
| 100 | LRESULT APIENTRY _EXPORT wxBuddyTextCtrlWndProc(HWND hwnd, |
| 101 | UINT message, |
| 102 | WPARAM wParam, |
| 103 | LPARAM lParam) |
| 104 | { |
| 105 | wxTextCtrl *spin = (wxTextCtrl *)wxGetWindowUserData(hwnd); |
| 106 | |
| 107 | // forward some messages (the key and focus ones only so far) to |
| 108 | // the spin ctrl |
| 109 | switch ( message ) |
| 110 | { |
| 111 | case WM_SETFOCUS: |
| 112 | // if the focus comes from the spin control itself, don't set it |
| 113 | // back to it -- we don't want to go into an infinite loop |
| 114 | if ( (WXHWND)wParam == spin->GetHWND() ) |
| 115 | break; |
| 116 | //else: fall through |
| 117 | |
| 118 | case WM_KILLFOCUS: |
| 119 | case WM_CHAR: |
| 120 | case WM_DEADCHAR: |
| 121 | case WM_KEYUP: |
| 122 | case WM_KEYDOWN: |
| 123 | spin->MSWWindowProc(message, wParam, lParam); |
| 124 | |
| 125 | // The control may have been deleted at this point, so check. |
| 126 | if ( !::IsWindow(hwnd) || wxGetWindowUserData(hwnd) != spin ) |
| 127 | return 0; |
| 128 | break; |
| 129 | |
| 130 | case WM_GETDLGCODE: |
| 131 | // we want to get WXK_RETURN in order to generate the event for it |
| 132 | return DLGC_WANTCHARS; |
| 133 | } |
| 134 | |
| 135 | return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(), |
| 136 | hwnd, message, wParam, lParam); |
| 137 | } |
| 138 | |
| 139 | // ---------------------------------------------------------------------------- |
| 140 | // creation |
| 141 | // ---------------------------------------------------------------------------- |
| 142 | |
| 143 | void wxTextCtrl::Init() |
| 144 | { |
| 145 | m_suppressNextUpdate = false; |
| 146 | m_isNativeCaretShown = true; |
| 147 | } |
| 148 | |
| 149 | wxTextCtrl::~wxTextCtrl() |
| 150 | { |
| 151 | } |
| 152 | |
| 153 | bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, |
| 154 | const wxString& value, |
| 155 | const wxPoint& pos, |
| 156 | const wxSize& size, |
| 157 | long style, |
| 158 | const wxValidator& validator, |
| 159 | const wxString& name) |
| 160 | { |
| 161 | if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) |
| 162 | style |= wxBORDER_SIMPLE; |
| 163 | |
| 164 | SetWindowStyle(style); |
| 165 | |
| 166 | WXDWORD exStyle = 0; |
| 167 | WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ; |
| 168 | |
| 169 | wxSize sizeText(size), sizeBtn(size); |
| 170 | sizeBtn.x = GetBestSpinnerSize(IsVertical(style)).x / 2; |
| 171 | |
| 172 | if ( sizeText.x == wxDefaultCoord ) |
| 173 | { |
| 174 | // DEFAULT_ITEM_WIDTH is the default width for the text control |
| 175 | sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x; |
| 176 | } |
| 177 | |
| 178 | sizeText.x -= sizeBtn.x + MARGIN_BETWEEN; |
| 179 | if ( sizeText.x <= 0 ) |
| 180 | { |
| 181 | wxLogDebug(_T("not enough space for wxSpinCtrl!")); |
| 182 | } |
| 183 | |
| 184 | wxPoint posBtn(pos); |
| 185 | posBtn.x += sizeText.x + MARGIN_BETWEEN; |
| 186 | |
| 187 | // we need to turn '\n's into "\r\n"s for the multiline controls |
| 188 | wxString valueWin; |
| 189 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 190 | { |
| 191 | valueWin = wxTextFile::Translate(value, wxTextFileType_Dos); |
| 192 | } |
| 193 | else // single line |
| 194 | { |
| 195 | valueWin = value; |
| 196 | } |
| 197 | |
| 198 | // we must create the list control before the spin button for the purpose |
| 199 | // of the dialog navigation: if there is a static text just before the spin |
| 200 | // control, activating it by Alt-letter should give focus to the text |
| 201 | // control, not the spin and the dialog navigation code will give focus to |
| 202 | // the next control (at Windows level), not the one after it |
| 203 | |
| 204 | // create the text window |
| 205 | |
| 206 | m_hwndBuddy = (WXHWND)::CreateWindowEx |
| 207 | ( |
| 208 | exStyle, // sunken border |
| 209 | _T("EDIT"), // window class |
| 210 | valueWin, // no window title |
| 211 | msStyle, // style (will be shown later) |
| 212 | pos.x, pos.y, // position |
| 213 | 0, 0, // size (will be set later) |
| 214 | GetHwndOf(parent), // parent |
| 215 | (HMENU)-1, // control id |
| 216 | wxGetInstance(), // app instance |
| 217 | NULL // unused client data |
| 218 | ); |
| 219 | |
| 220 | if ( !m_hwndBuddy ) |
| 221 | { |
| 222 | wxLogLastError(wxT("CreateWindow(buddy text window)")); |
| 223 | |
| 224 | return false; |
| 225 | } |
| 226 | |
| 227 | // initialize wxControl |
| 228 | if ( !CreateControl(parent, id, posBtn, sizeBtn, style, validator, name) ) |
| 229 | return false; |
| 230 | |
| 231 | // now create the real HWND |
| 232 | WXDWORD spiner_style = WS_VISIBLE | |
| 233 | UDS_ALIGNRIGHT | |
| 234 | UDS_EXPANDABLE | |
| 235 | UDS_NOSCROLL; |
| 236 | |
| 237 | if ( !IsVertical(style) ) |
| 238 | spiner_style |= UDS_HORZ; |
| 239 | |
| 240 | if ( style & wxSP_WRAP ) |
| 241 | spiner_style |= UDS_WRAP; |
| 242 | |
| 243 | if ( !MSWCreateControl(UPDOWN_CLASS, spiner_style, posBtn, sizeBtn, _T(""), 0) ) |
| 244 | return false; |
| 245 | |
| 246 | // subclass the text ctrl to be able to intercept some events |
| 247 | wxSetWindowUserData(GetBuddyHwnd(), this); |
| 248 | m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(), |
| 249 | wxBuddyTextCtrlWndProc); |
| 250 | |
| 251 | // set up fonts and colours (This is nomally done in MSWCreateControl) |
| 252 | InheritAttributes(); |
| 253 | if (!m_hasFont) |
| 254 | SetFont(GetDefaultAttributes().font); |
| 255 | |
| 256 | // set the size of the text window - can do it only now, because we |
| 257 | // couldn't call DoGetBestSize() before as font wasn't set |
| 258 | if ( sizeText.y <= 0 ) |
| 259 | { |
| 260 | int cx, cy; |
| 261 | wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); |
| 262 | |
| 263 | sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); |
| 264 | } |
| 265 | |
| 266 | SetBestSize(size); |
| 267 | |
| 268 | (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW); |
| 269 | |
| 270 | // associate the list window with the spin button |
| 271 | (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0); |
| 272 | |
| 273 | // do it after finishing with m_hwndBuddy creation to avoid generating |
| 274 | // initial wxEVT_COMMAND_TEXT_UPDATED message |
| 275 | ms_allTextSpins.Add(this); |
| 276 | |
| 277 | return true; |
| 278 | } |
| 279 | |
| 280 | // Make sure the window style (etc.) reflects the HWND style (roughly) |
| 281 | void wxTextCtrl::AdoptAttributesFromHWND() |
| 282 | { |
| 283 | wxWindow::AdoptAttributesFromHWND(); |
| 284 | |
| 285 | long style = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE); |
| 286 | |
| 287 | if (style & ES_MULTILINE) |
| 288 | m_windowStyle |= wxTE_MULTILINE; |
| 289 | if (style & ES_PASSWORD) |
| 290 | m_windowStyle |= wxTE_PASSWORD; |
| 291 | if (style & ES_READONLY) |
| 292 | m_windowStyle |= wxTE_READONLY; |
| 293 | if (style & ES_WANTRETURN) |
| 294 | m_windowStyle |= wxTE_PROCESS_ENTER; |
| 295 | if (style & ES_CENTER) |
| 296 | m_windowStyle |= wxTE_CENTRE; |
| 297 | if (style & ES_RIGHT) |
| 298 | m_windowStyle |= wxTE_RIGHT; |
| 299 | } |
| 300 | |
| 301 | WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const |
| 302 | { |
| 303 | // we never have an external border |
| 304 | WXDWORD msStyle = wxControl::MSWGetStyle |
| 305 | ( |
| 306 | (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle |
| 307 | ); |
| 308 | |
| 309 | msStyle |= WS_VISIBLE; |
| 310 | |
| 311 | // styles which we alaways add by default |
| 312 | if ( style & wxTE_MULTILINE ) |
| 313 | { |
| 314 | wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER), |
| 315 | wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); |
| 316 | |
| 317 | msStyle |= ES_MULTILINE | ES_WANTRETURN; |
| 318 | if ( !(style & wxTE_NO_VSCROLL) ) |
| 319 | { |
| 320 | // always adjust the vertical scrollbar automatically if we have it |
| 321 | msStyle |= WS_VSCROLL | ES_AUTOVSCROLL; |
| 322 | } |
| 323 | |
| 324 | style |= wxTE_PROCESS_ENTER; |
| 325 | } |
| 326 | else // !multiline |
| 327 | { |
| 328 | // there is really no reason to not have this style for single line |
| 329 | // text controls |
| 330 | msStyle |= ES_AUTOHSCROLL; |
| 331 | } |
| 332 | |
| 333 | // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz |
| 334 | // scrollbar, there is no wrapping -- which makes sense |
| 335 | if ( style & wxTE_DONTWRAP ) |
| 336 | { |
| 337 | // automatically scroll the control horizontally as necessary |
| 338 | // |
| 339 | // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't |
| 340 | // show horz scrollbar at all, even in spite of WS_HSCROLL, and as |
| 341 | // it doesn't seem to do any harm for plain edit controls, add it |
| 342 | // always |
| 343 | msStyle |= WS_HSCROLL | ES_AUTOHSCROLL; |
| 344 | } |
| 345 | |
| 346 | if ( style & wxTE_READONLY ) |
| 347 | msStyle |= ES_READONLY; |
| 348 | |
| 349 | if ( style & wxTE_PASSWORD ) |
| 350 | msStyle |= ES_PASSWORD; |
| 351 | |
| 352 | if ( style & wxTE_NOHIDESEL ) |
| 353 | msStyle |= ES_NOHIDESEL; |
| 354 | |
| 355 | // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0 |
| 356 | if ( style & wxTE_CENTRE ) |
| 357 | msStyle |= ES_CENTER; |
| 358 | else if ( style & wxTE_RIGHT ) |
| 359 | msStyle |= ES_RIGHT; |
| 360 | else |
| 361 | msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency... |
| 362 | |
| 363 | return msStyle; |
| 364 | } |
| 365 | |
| 366 | // ---------------------------------------------------------------------------- |
| 367 | // set/get the controls text |
| 368 | // ---------------------------------------------------------------------------- |
| 369 | |
| 370 | wxString wxTextCtrl::GetValue() const |
| 371 | { |
| 372 | // range 0..-1 is special for GetRange() and means to retrieve all text |
| 373 | return GetRange(0, -1); |
| 374 | } |
| 375 | |
| 376 | wxString wxTextCtrl::GetRange(long from, long to) const |
| 377 | { |
| 378 | wxString str; |
| 379 | |
| 380 | if ( from >= to && to != -1 ) |
| 381 | { |
| 382 | // nothing to retrieve |
| 383 | return str; |
| 384 | } |
| 385 | |
| 386 | // retrieve all text |
| 387 | str = wxGetWindowText(GetBuddyHwnd()); |
| 388 | |
| 389 | // need only a range? |
| 390 | if ( from < to ) |
| 391 | { |
| 392 | str = str.Mid(from, to - from); |
| 393 | } |
| 394 | |
| 395 | // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the |
| 396 | // canonical one (same one as above) for consistency with the other kinds |
| 397 | // of controls and, more importantly, with the other ports |
| 398 | str = wxTextFile::Translate(str, wxTextFileType_Unix); |
| 399 | |
| 400 | return str; |
| 401 | } |
| 402 | |
| 403 | void wxTextCtrl::SetValue(const wxString& value) |
| 404 | { |
| 405 | // if the text is long enough, it's faster to just set it instead of first |
| 406 | // comparing it with the old one (chances are that it will be different |
| 407 | // anyhow, this comparison is there to avoid flicker for small single-line |
| 408 | // edit controls mostly) |
| 409 | if ( (value.length() > 0x400) || (value != GetValue()) ) |
| 410 | { |
| 411 | DoWriteText(value, false); |
| 412 | |
| 413 | // for compatibility, don't move the cursor when doing SetValue() |
| 414 | SetInsertionPoint(0); |
| 415 | } |
| 416 | else // same text |
| 417 | { |
| 418 | // still send an event for consistency |
| 419 | SendUpdateEvent(); |
| 420 | } |
| 421 | |
| 422 | // we should reset the modified flag even if the value didn't really change |
| 423 | |
| 424 | // mark the control as being not dirty - we changed its text, not the |
| 425 | // user |
| 426 | DiscardEdits(); |
| 427 | } |
| 428 | |
| 429 | void wxTextCtrl::WriteText(const wxString& value) |
| 430 | { |
| 431 | DoWriteText(value); |
| 432 | } |
| 433 | |
| 434 | void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) |
| 435 | { |
| 436 | wxString valueDos; |
| 437 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 438 | valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); |
| 439 | else |
| 440 | valueDos = value; |
| 441 | |
| 442 | // in some cases we get 2 EN_CHANGE notifications after the SendMessage |
| 443 | // call below which is confusing for the client code and so should be |
| 444 | // avoided |
| 445 | // |
| 446 | if ( ( selectionOnly && HasSelection() ) ) |
| 447 | { |
| 448 | m_suppressNextUpdate = true; |
| 449 | } |
| 450 | |
| 451 | ::SendMessage(GetBuddyHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT, |
| 452 | 0, (LPARAM)valueDos.c_str()); |
| 453 | |
| 454 | if ( !selectionOnly ) |
| 455 | { |
| 456 | // Windows already sends an update event for single-line |
| 457 | // controls. |
| 458 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 459 | SendUpdateEvent(); |
| 460 | } |
| 461 | |
| 462 | AdjustSpaceLimit(); |
| 463 | } |
| 464 | |
| 465 | void wxTextCtrl::AppendText(const wxString& text) |
| 466 | { |
| 467 | SetInsertionPointEnd(); |
| 468 | |
| 469 | WriteText(text); |
| 470 | } |
| 471 | |
| 472 | void wxTextCtrl::Clear() |
| 473 | { |
| 474 | ::SetWindowText(GetBuddyHwnd(), wxEmptyString); |
| 475 | |
| 476 | // Windows already sends an update event for single-line |
| 477 | // controls. |
| 478 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 479 | SendUpdateEvent(); |
| 480 | } |
| 481 | |
| 482 | // ---------------------------------------------------------------------------- |
| 483 | // Clipboard operations |
| 484 | // ---------------------------------------------------------------------------- |
| 485 | |
| 486 | void wxTextCtrl::Copy() |
| 487 | { |
| 488 | if (CanCopy()) |
| 489 | { |
| 490 | ::SendMessage(GetBuddyHwnd(), WM_COPY, 0, 0L); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | void wxTextCtrl::Cut() |
| 495 | { |
| 496 | if (CanCut()) |
| 497 | { |
| 498 | ::SendMessage(GetBuddyHwnd(), WM_CUT, 0, 0L); |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | void wxTextCtrl::Paste() |
| 503 | { |
| 504 | if (CanPaste()) |
| 505 | { |
| 506 | ::SendMessage(GetBuddyHwnd(), WM_PASTE, 0, 0L); |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | bool wxTextCtrl::HasSelection() const |
| 511 | { |
| 512 | long from, to; |
| 513 | GetSelection(&from, &to); |
| 514 | return from != to; |
| 515 | } |
| 516 | |
| 517 | bool wxTextCtrl::CanCopy() const |
| 518 | { |
| 519 | // Can copy if there's a selection |
| 520 | return HasSelection(); |
| 521 | } |
| 522 | |
| 523 | bool wxTextCtrl::CanCut() const |
| 524 | { |
| 525 | return CanCopy() && IsEditable(); |
| 526 | } |
| 527 | |
| 528 | bool wxTextCtrl::CanPaste() const |
| 529 | { |
| 530 | if ( !IsEditable() ) |
| 531 | return false; |
| 532 | |
| 533 | // Standard edit control: check for straight text on clipboard |
| 534 | if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) ) |
| 535 | return false; |
| 536 | |
| 537 | bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0; |
| 538 | ::CloseClipboard(); |
| 539 | |
| 540 | return isTextAvailable; |
| 541 | } |
| 542 | |
| 543 | // ---------------------------------------------------------------------------- |
| 544 | // Accessors |
| 545 | // ---------------------------------------------------------------------------- |
| 546 | |
| 547 | void wxTextCtrl::SetEditable(bool editable) |
| 548 | { |
| 549 | ::SendMessage(GetBuddyHwnd(), EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); |
| 550 | } |
| 551 | |
| 552 | void wxTextCtrl::SetInsertionPoint(long pos) |
| 553 | { |
| 554 | DoSetSelection(pos, pos); |
| 555 | } |
| 556 | |
| 557 | void wxTextCtrl::SetInsertionPointEnd() |
| 558 | { |
| 559 | if ( GetInsertionPoint() != GetLastPosition() ) |
| 560 | SetInsertionPoint(GetLastPosition()); |
| 561 | } |
| 562 | |
| 563 | long wxTextCtrl::GetInsertionPoint() const |
| 564 | { |
| 565 | DWORD Pos = (DWORD)::SendMessage(GetBuddyHwnd(), EM_GETSEL, 0, 0L); |
| 566 | return Pos & 0xFFFF; |
| 567 | } |
| 568 | |
| 569 | wxTextPos wxTextCtrl::GetLastPosition() const |
| 570 | { |
| 571 | int numLines = GetNumberOfLines(); |
| 572 | long posStartLastLine = XYToPosition(0, numLines - 1); |
| 573 | |
| 574 | long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine); |
| 575 | |
| 576 | return posStartLastLine + lenLastLine; |
| 577 | } |
| 578 | |
| 579 | void wxTextCtrl::GetSelection(long* from, long* to) const |
| 580 | { |
| 581 | DWORD dwStart, dwEnd; |
| 582 | ::SendMessage(GetBuddyHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd); |
| 583 | |
| 584 | *from = dwStart; |
| 585 | *to = dwEnd; |
| 586 | } |
| 587 | |
| 588 | bool wxTextCtrl::IsEditable() const |
| 589 | { |
| 590 | if ( !GetBuddyHwnd() ) |
| 591 | return true; |
| 592 | |
| 593 | long style = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE); |
| 594 | |
| 595 | return (style & ES_READONLY) == 0; |
| 596 | } |
| 597 | |
| 598 | // ---------------------------------------------------------------------------- |
| 599 | // selection |
| 600 | // ---------------------------------------------------------------------------- |
| 601 | |
| 602 | void wxTextCtrl::SetSelection(long from, long to) |
| 603 | { |
| 604 | // if from and to are both -1, it means (in wxWidgets) that all text should |
| 605 | // be selected - translate into Windows convention |
| 606 | if ( (from == -1) && (to == -1) ) |
| 607 | { |
| 608 | from = 0; |
| 609 | to = -1; |
| 610 | } |
| 611 | |
| 612 | DoSetSelection(from, to); |
| 613 | } |
| 614 | |
| 615 | void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) |
| 616 | { |
| 617 | ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to); |
| 618 | |
| 619 | if ( scrollCaret ) |
| 620 | { |
| 621 | ::SendMessage(GetBuddyHwnd(), EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | // ---------------------------------------------------------------------------- |
| 626 | // Working with files |
| 627 | // ---------------------------------------------------------------------------- |
| 628 | |
| 629 | bool wxTextCtrl::LoadFile(const wxString& file) |
| 630 | { |
| 631 | if ( wxTextCtrlBase::LoadFile(file) ) |
| 632 | { |
| 633 | // update the size limit if needed |
| 634 | AdjustSpaceLimit(); |
| 635 | |
| 636 | return true; |
| 637 | } |
| 638 | |
| 639 | return false; |
| 640 | } |
| 641 | |
| 642 | // ---------------------------------------------------------------------------- |
| 643 | // Editing |
| 644 | // ---------------------------------------------------------------------------- |
| 645 | |
| 646 | void wxTextCtrl::Replace(long from, long to, const wxString& value) |
| 647 | { |
| 648 | // Set selection and remove it |
| 649 | DoSetSelection(from, to, false); |
| 650 | |
| 651 | DoWriteText(value, true); |
| 652 | } |
| 653 | |
| 654 | void wxTextCtrl::Remove(long from, long to) |
| 655 | { |
| 656 | Replace(from, to, wxEmptyString); |
| 657 | } |
| 658 | |
| 659 | bool wxTextCtrl::IsModified() const |
| 660 | { |
| 661 | return ::SendMessage(GetBuddyHwnd(), EM_GETMODIFY, 0, 0) != 0; |
| 662 | } |
| 663 | |
| 664 | void wxTextCtrl::MarkDirty() |
| 665 | { |
| 666 | ::SendMessage(GetBuddyHwnd(), EM_SETMODIFY, TRUE, 0L); |
| 667 | } |
| 668 | |
| 669 | void wxTextCtrl::DiscardEdits() |
| 670 | { |
| 671 | ::SendMessage(GetBuddyHwnd(), EM_SETMODIFY, FALSE, 0L); |
| 672 | } |
| 673 | |
| 674 | int wxTextCtrl::GetNumberOfLines() const |
| 675 | { |
| 676 | return (int)::SendMessage(GetBuddyHwnd(), EM_GETLINECOUNT, 0, 0L); |
| 677 | } |
| 678 | |
| 679 | // ---------------------------------------------------------------------------- |
| 680 | // Positions <-> coords |
| 681 | // ---------------------------------------------------------------------------- |
| 682 | |
| 683 | long wxTextCtrl::XYToPosition(long x, long y) const |
| 684 | { |
| 685 | // This gets the char index for the _beginning_ of this line |
| 686 | long charIndex = ::SendMessage(GetBuddyHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0); |
| 687 | |
| 688 | return charIndex + x; |
| 689 | } |
| 690 | |
| 691 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const |
| 692 | { |
| 693 | // This gets the line number containing the character |
| 694 | long lineNo = ::SendMessage(GetBuddyHwnd(), EM_LINEFROMCHAR, (WPARAM)pos, 0); |
| 695 | |
| 696 | if ( lineNo == -1 ) |
| 697 | { |
| 698 | // no such line |
| 699 | return false; |
| 700 | } |
| 701 | |
| 702 | // This gets the char index for the _beginning_ of this line |
| 703 | long charIndex = ::SendMessage(GetBuddyHwnd(), EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0); |
| 704 | if ( charIndex == -1 ) |
| 705 | { |
| 706 | return false; |
| 707 | } |
| 708 | |
| 709 | // The X position must therefore be the different between pos and charIndex |
| 710 | if ( x ) |
| 711 | *x = pos - charIndex; |
| 712 | if ( y ) |
| 713 | *y = lineNo; |
| 714 | |
| 715 | return true; |
| 716 | } |
| 717 | |
| 718 | wxTextCtrlHitTestResult |
| 719 | wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const |
| 720 | { |
| 721 | // first get the position from Windows |
| 722 | // for the plain ones, we are limited to 16 bit positions which are |
| 723 | // combined in a single 32 bit value |
| 724 | LPARAM lParam = MAKELPARAM(pt.x, pt.y); |
| 725 | |
| 726 | LRESULT pos = ::SendMessage(GetBuddyHwnd(), EM_CHARFROMPOS, 0, lParam); |
| 727 | |
| 728 | if ( pos == -1 ) |
| 729 | { |
| 730 | // this seems to indicate an error... |
| 731 | return wxTE_HT_UNKNOWN; |
| 732 | } |
| 733 | |
| 734 | // for plain EDIT controls the higher word contains something else |
| 735 | pos = LOWORD(pos); |
| 736 | |
| 737 | |
| 738 | // next determine where it is relatively to our point: EM_CHARFROMPOS |
| 739 | // always returns the closest character but we need to be more precise, so |
| 740 | // double check that we really are where it pretends |
| 741 | POINTL ptReal; |
| 742 | |
| 743 | LRESULT lRc = ::SendMessage(GetBuddyHwnd(), EM_POSFROMCHAR, pos, 0); |
| 744 | |
| 745 | if ( lRc == -1 ) |
| 746 | { |
| 747 | // this is apparently returned when pos corresponds to the last |
| 748 | // position |
| 749 | ptReal.x = |
| 750 | ptReal.y = 0; |
| 751 | } |
| 752 | else |
| 753 | { |
| 754 | ptReal.x = LOWORD(lRc); |
| 755 | ptReal.y = HIWORD(lRc); |
| 756 | } |
| 757 | |
| 758 | wxTextCtrlHitTestResult rc; |
| 759 | |
| 760 | if ( pt.y > ptReal.y + GetCharHeight() ) |
| 761 | rc = wxTE_HT_BELOW; |
| 762 | else if ( pt.x > ptReal.x + GetCharWidth() ) |
| 763 | rc = wxTE_HT_BEYOND; |
| 764 | else |
| 765 | rc = wxTE_HT_ON_TEXT; |
| 766 | |
| 767 | if ( posOut ) |
| 768 | *posOut = pos; |
| 769 | |
| 770 | return rc; |
| 771 | } |
| 772 | |
| 773 | void wxTextCtrl::ShowPosition(long pos) |
| 774 | { |
| 775 | int currentLineLineNo = (int)::SendMessage(GetBuddyHwnd(), EM_GETFIRSTVISIBLELINE, 0, 0L); |
| 776 | |
| 777 | int specifiedLineLineNo = (int)::SendMessage(GetBuddyHwnd(), EM_LINEFROMCHAR, (WPARAM)pos, 0L); |
| 778 | |
| 779 | int linesToScroll = specifiedLineLineNo - currentLineLineNo; |
| 780 | |
| 781 | if (linesToScroll != 0) |
| 782 | (void)::SendMessage(GetBuddyHwnd(), EM_LINESCROLL, 0, (LPARAM)linesToScroll); |
| 783 | } |
| 784 | |
| 785 | long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const |
| 786 | { |
| 787 | return ::SendMessage(GetBuddyHwnd(), EM_LINELENGTH, (WPARAM)pos, 0L); |
| 788 | } |
| 789 | |
| 790 | int wxTextCtrl::GetLineLength(long lineNo) const |
| 791 | { |
| 792 | long pos = XYToPosition(0, lineNo); |
| 793 | |
| 794 | return GetLengthOfLineContainingPos(pos); |
| 795 | } |
| 796 | |
| 797 | wxString wxTextCtrl::GetLineText(long lineNo) const |
| 798 | { |
| 799 | size_t len = (size_t)GetLineLength(lineNo) + 1; |
| 800 | |
| 801 | // there must be at least enough place for the length WORD in the |
| 802 | // buffer |
| 803 | len += sizeof(WORD); |
| 804 | |
| 805 | wxString str; |
| 806 | { |
| 807 | wxStringBufferLength tmp(str, len); |
| 808 | wxChar *buf = tmp; |
| 809 | |
| 810 | *(WORD *)buf = (WORD)len; |
| 811 | len = (size_t)::SendMessage(GetBuddyHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); |
| 812 | |
| 813 | // remove the '\n' at the end, if any (this is how this function is |
| 814 | // supposed to work according to the docs) |
| 815 | if ( buf[len - 1] == _T('\n') ) |
| 816 | { |
| 817 | len--; |
| 818 | } |
| 819 | |
| 820 | buf[len] = 0; |
| 821 | tmp.SetLength(len); |
| 822 | } |
| 823 | |
| 824 | return str; |
| 825 | } |
| 826 | |
| 827 | void wxTextCtrl::SetMaxLength(unsigned long len) |
| 828 | { |
| 829 | ::SendMessage(GetBuddyHwnd(), EM_LIMITTEXT, len, 0); |
| 830 | } |
| 831 | |
| 832 | // ---------------------------------------------------------------------------- |
| 833 | // Undo/redo |
| 834 | // ---------------------------------------------------------------------------- |
| 835 | |
| 836 | void wxTextCtrl::Undo() |
| 837 | { |
| 838 | if (CanUndo()) |
| 839 | { |
| 840 | ::SendMessage(GetBuddyHwnd(), EM_UNDO, 0, 0); |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | void wxTextCtrl::Redo() |
| 845 | { |
| 846 | if (CanRedo()) |
| 847 | { |
| 848 | ::SendMessage(GetBuddyHwnd(), EM_UNDO, 0, 0); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | bool wxTextCtrl::CanUndo() const |
| 853 | { |
| 854 | return ::SendMessage(GetBuddyHwnd(), EM_CANUNDO, 0, 0) != 0; |
| 855 | } |
| 856 | |
| 857 | bool wxTextCtrl::CanRedo() const |
| 858 | { |
| 859 | return ::SendMessage(GetBuddyHwnd(), EM_CANUNDO, 0, 0) != 0; |
| 860 | } |
| 861 | |
| 862 | // ---------------------------------------------------------------------------- |
| 863 | // caret handling |
| 864 | // ---------------------------------------------------------------------------- |
| 865 | |
| 866 | // ---------------------------------------------------------------------------- |
| 867 | // implemenation details |
| 868 | // ---------------------------------------------------------------------------- |
| 869 | |
| 870 | void wxTextCtrl::Command(wxCommandEvent & event) |
| 871 | { |
| 872 | SetValue(event.GetString()); |
| 873 | ProcessCommand (event); |
| 874 | } |
| 875 | |
| 876 | // ---------------------------------------------------------------------------- |
| 877 | // kbd input processing |
| 878 | // ---------------------------------------------------------------------------- |
| 879 | |
| 880 | void wxTextCtrl::OnChar(wxKeyEvent& event) |
| 881 | { |
| 882 | switch ( event.GetKeyCode() ) |
| 883 | { |
| 884 | case WXK_RETURN: |
| 885 | if ( !HasFlag(wxTE_MULTILINE) ) |
| 886 | { |
| 887 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); |
| 888 | InitCommandEvent(event); |
| 889 | event.SetString(GetValue()); |
| 890 | if ( GetEventHandler()->ProcessEvent(event) ) |
| 891 | return; |
| 892 | } |
| 893 | //else: multiline controls need Enter for themselves |
| 894 | |
| 895 | break; |
| 896 | |
| 897 | case WXK_TAB: |
| 898 | // ok, so this is getting absolutely ridiculous but I don't see |
| 899 | // any other way to fix this bug: when a multiline text control is |
| 900 | // inside a wxFrame, we need to generate the navigation event as |
| 901 | // otherwise nothing happens at all, but when the same control is |
| 902 | // created inside a dialog, IsDialogMessage() *does* switch focus |
| 903 | // all by itself and so if we do it here as well, it is advanced |
| 904 | // twice and goes to the next control... to prevent this from |
| 905 | // happening we're doing this ugly check, the logic being that if |
| 906 | // we don't have focus then it had been already changed to the next |
| 907 | // control |
| 908 | // |
| 909 | // the right thing to do would, of course, be to understand what |
| 910 | // the hell is IsDialogMessage() doing but this is beyond my feeble |
| 911 | // forces at the moment unfortunately |
| 912 | if ( !(m_windowStyle & wxTE_PROCESS_TAB)) |
| 913 | { |
| 914 | if ( FindFocus() == this ) |
| 915 | { |
| 916 | int flags = 0; |
| 917 | if (!event.ShiftDown()) |
| 918 | flags |= wxNavigationKeyEvent::IsForward ; |
| 919 | if (event.ControlDown()) |
| 920 | flags |= wxNavigationKeyEvent::WinChange ; |
| 921 | if (Navigate(flags)) |
| 922 | return; |
| 923 | } |
| 924 | } |
| 925 | else |
| 926 | { |
| 927 | // Insert tab since calling the default Windows handler |
| 928 | // doesn't seem to do it |
| 929 | WriteText(wxT("\t")); |
| 930 | } |
| 931 | break; |
| 932 | } |
| 933 | |
| 934 | // no, we didn't process it |
| 935 | event.Skip(); |
| 936 | } |
| 937 | |
| 938 | WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) |
| 939 | { |
| 940 | WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); |
| 941 | |
| 942 | if ( nMsg == WM_GETDLGCODE ) |
| 943 | { |
| 944 | // we always want the chars and the arrows: the arrows for navigation |
| 945 | // and the chars because we want Ctrl-C to work even in a read only |
| 946 | // control |
| 947 | long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS; |
| 948 | |
| 949 | if ( IsEditable() ) |
| 950 | { |
| 951 | // we may have several different cases: |
| 952 | // 1. normal case: both TAB and ENTER are used for dlg navigation |
| 953 | // 2. ctrl which wants TAB for itself: ENTER is used to pass to the |
| 954 | // next control in the dialog |
| 955 | // 3. ctrl which wants ENTER for itself: TAB is used for dialog |
| 956 | // navigation |
| 957 | // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go |
| 958 | // to the next control |
| 959 | |
| 960 | // the multiline edit control should always get <Return> for itself |
| 961 | if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) ) |
| 962 | lDlgCode |= DLGC_WANTMESSAGE; |
| 963 | |
| 964 | if ( HasFlag(wxTE_PROCESS_TAB) ) |
| 965 | lDlgCode |= DLGC_WANTTAB; |
| 966 | |
| 967 | lRc |= lDlgCode; |
| 968 | } |
| 969 | else // !editable |
| 970 | { |
| 971 | // NB: use "=", not "|=" as the base class version returns the |
| 972 | // same flags is this state as usual (i.e. including |
| 973 | // DLGC_WANTMESSAGE). This is strange (how does it work in the |
| 974 | // native Win32 apps?) but for now live with it. |
| 975 | lRc = lDlgCode; |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | return lRc; |
| 980 | } |
| 981 | |
| 982 | // ---------------------------------------------------------------------------- |
| 983 | // text control event processing |
| 984 | // ---------------------------------------------------------------------------- |
| 985 | |
| 986 | bool wxTextCtrl::SendUpdateEvent() |
| 987 | { |
| 988 | // is event reporting suspended? |
| 989 | if ( m_suppressNextUpdate ) |
| 990 | { |
| 991 | // do process the next one |
| 992 | m_suppressNextUpdate = false; |
| 993 | |
| 994 | return false; |
| 995 | } |
| 996 | |
| 997 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); |
| 998 | InitCommandEvent(event); |
| 999 | event.SetString(GetValue()); |
| 1000 | |
| 1001 | return ProcessCommand(event); |
| 1002 | } |
| 1003 | |
| 1004 | bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) |
| 1005 | { |
| 1006 | switch ( param ) |
| 1007 | { |
| 1008 | case EN_SETFOCUS: |
| 1009 | case EN_KILLFOCUS: |
| 1010 | { |
| 1011 | wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS |
| 1012 | : wxEVT_SET_FOCUS, |
| 1013 | m_windowId); |
| 1014 | event.SetEventObject(this); |
| 1015 | GetEventHandler()->ProcessEvent(event); |
| 1016 | } |
| 1017 | break; |
| 1018 | |
| 1019 | case EN_CHANGE: |
| 1020 | SendUpdateEvent(); |
| 1021 | break; |
| 1022 | |
| 1023 | case EN_MAXTEXT: |
| 1024 | // the text size limit has been hit -- try to increase it |
| 1025 | if ( !AdjustSpaceLimit() ) |
| 1026 | { |
| 1027 | wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId); |
| 1028 | InitCommandEvent(event); |
| 1029 | event.SetString(GetValue()); |
| 1030 | ProcessCommand(event); |
| 1031 | } |
| 1032 | break; |
| 1033 | |
| 1034 | // the other edit notification messages are not processed |
| 1035 | default: |
| 1036 | return false; |
| 1037 | } |
| 1038 | |
| 1039 | // processed |
| 1040 | return true; |
| 1041 | } |
| 1042 | |
| 1043 | bool wxTextCtrl::AdjustSpaceLimit() |
| 1044 | { |
| 1045 | unsigned int limit = ::SendMessage(GetBuddyHwnd(), EM_GETLIMITTEXT, 0, 0); |
| 1046 | |
| 1047 | // HACK: we try to automatically extend the limit for the amount of text |
| 1048 | // to allow (interactively) entering more than 64Kb of text under |
| 1049 | // Win9x but we shouldn't reset the text limit which was previously |
| 1050 | // set explicitly with SetMaxLength() |
| 1051 | // |
| 1052 | // we could solve this by storing the limit we set in wxTextCtrl but |
| 1053 | // to save space we prefer to simply test here the actual limit |
| 1054 | // value: we consider that SetMaxLength() can only be called for |
| 1055 | // values < 32Kb |
| 1056 | if ( limit < 0x8000 ) |
| 1057 | { |
| 1058 | // we've got more text than limit set by SetMaxLength() |
| 1059 | return false; |
| 1060 | } |
| 1061 | |
| 1062 | unsigned int len = ::GetWindowTextLength(GetBuddyHwnd()); |
| 1063 | if ( len >= limit ) |
| 1064 | { |
| 1065 | limit = len + 0x8000; // 32Kb |
| 1066 | |
| 1067 | if ( limit > 0xffff ) |
| 1068 | { |
| 1069 | // this will set it to a platform-dependent maximum (much more |
| 1070 | // than 64Kb under NT) |
| 1071 | limit = 0; |
| 1072 | } |
| 1073 | |
| 1074 | ::SendMessage(GetBuddyHwnd(), EM_LIMITTEXT, limit, 0L); |
| 1075 | } |
| 1076 | |
| 1077 | // we changed the limit |
| 1078 | return true; |
| 1079 | } |
| 1080 | |
| 1081 | bool wxTextCtrl::AcceptsFocus() const |
| 1082 | { |
| 1083 | // we don't want focus if we can't be edited unless we're a multiline |
| 1084 | // control because then it might be still nice to get focus from keyboard |
| 1085 | // to be able to scroll it without mouse |
| 1086 | return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus(); |
| 1087 | } |
| 1088 | |
| 1089 | void wxTextCtrl::DoMoveWindow(int x, int y, int width, int height) |
| 1090 | { |
| 1091 | int widthBtn = GetBestSpinnerSize(IsVertical(GetWindowStyle())).x / 2; |
| 1092 | int widthText = width - widthBtn - MARGIN_BETWEEN; |
| 1093 | if ( widthText <= 0 ) |
| 1094 | { |
| 1095 | wxLogDebug(_T("not enough space for wxSpinCtrl!")); |
| 1096 | } |
| 1097 | |
| 1098 | if ( !::MoveWindow(GetBuddyHwnd(), x, y, widthText, height, TRUE) ) |
| 1099 | { |
| 1100 | wxLogLastError(wxT("MoveWindow(buddy)")); |
| 1101 | } |
| 1102 | |
| 1103 | x += widthText + MARGIN_BETWEEN; |
| 1104 | if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) ) |
| 1105 | { |
| 1106 | wxLogLastError(wxT("MoveWindow")); |
| 1107 | } |
| 1108 | } |
| 1109 | |
| 1110 | wxSize wxTextCtrl::DoGetBestSize() const |
| 1111 | { |
| 1112 | int cx, cy; |
| 1113 | wxGetCharSize(GetBuddyHwnd(), &cx, &cy, GetFont()); |
| 1114 | |
| 1115 | int wText = DEFAULT_ITEM_WIDTH; |
| 1116 | |
| 1117 | int hText = cy; |
| 1118 | if ( m_windowStyle & wxTE_MULTILINE ) |
| 1119 | { |
| 1120 | hText *= wxMax(GetNumberOfLines(), 5); |
| 1121 | } |
| 1122 | //else: for single line control everything is ok |
| 1123 | |
| 1124 | // we have to add the adjustments for the control height only once, not |
| 1125 | // once per line, so do it after multiplication above |
| 1126 | hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy; |
| 1127 | |
| 1128 | return wxSize(wText, hText); |
| 1129 | } |
| 1130 | |
| 1131 | // ---------------------------------------------------------------------------- |
| 1132 | // standard handlers for standard edit menu events |
| 1133 | // ---------------------------------------------------------------------------- |
| 1134 | |
| 1135 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) |
| 1136 | { |
| 1137 | Cut(); |
| 1138 | } |
| 1139 | |
| 1140 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) |
| 1141 | { |
| 1142 | Copy(); |
| 1143 | } |
| 1144 | |
| 1145 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) |
| 1146 | { |
| 1147 | Paste(); |
| 1148 | } |
| 1149 | |
| 1150 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) |
| 1151 | { |
| 1152 | Undo(); |
| 1153 | } |
| 1154 | |
| 1155 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) |
| 1156 | { |
| 1157 | Redo(); |
| 1158 | } |
| 1159 | |
| 1160 | void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event)) |
| 1161 | { |
| 1162 | long from, to; |
| 1163 | GetSelection(& from, & to); |
| 1164 | if (from != -1 && to != -1) |
| 1165 | Remove(from, to); |
| 1166 | } |
| 1167 | |
| 1168 | void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event)) |
| 1169 | { |
| 1170 | SetSelection(-1, -1); |
| 1171 | } |
| 1172 | |
| 1173 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) |
| 1174 | { |
| 1175 | event.Enable( CanCut() ); |
| 1176 | } |
| 1177 | |
| 1178 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) |
| 1179 | { |
| 1180 | event.Enable( CanCopy() ); |
| 1181 | } |
| 1182 | |
| 1183 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) |
| 1184 | { |
| 1185 | event.Enable( CanPaste() ); |
| 1186 | } |
| 1187 | |
| 1188 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) |
| 1189 | { |
| 1190 | event.Enable( CanUndo() ); |
| 1191 | } |
| 1192 | |
| 1193 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) |
| 1194 | { |
| 1195 | event.Enable( CanRedo() ); |
| 1196 | } |
| 1197 | |
| 1198 | void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event) |
| 1199 | { |
| 1200 | long from, to; |
| 1201 | GetSelection(& from, & to); |
| 1202 | event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ; |
| 1203 | } |
| 1204 | |
| 1205 | void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event) |
| 1206 | { |
| 1207 | event.Enable(GetLastPosition() > 0); |
| 1208 | } |
| 1209 | |
| 1210 | void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event)) |
| 1211 | { |
| 1212 | // be sure the caret remains invisible if the user had hidden it |
| 1213 | if ( !m_isNativeCaretShown ) |
| 1214 | { |
| 1215 | ::HideCaret(GetBuddyHwnd()); |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | #endif // wxUSE_TEXTCTRL && __SMARTPHONE__ && __WXWINCE__ |