| 1 | //////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: ScintillaWX.cxx |
| 3 | // Purpose: A wxWidgets implementation of Scintilla. A class derived |
| 4 | // from ScintillaBase that uses the "wx platform" defined in |
| 5 | // PlatformWX.cxx This class is one end of a bridge between |
| 6 | // the wx world and the Scintilla world. It needs a peer |
| 7 | // object of type wxStyledTextCtrl to function. |
| 8 | // |
| 9 | // Author: Robin Dunn |
| 10 | // |
| 11 | // Created: 13-Jan-2000 |
| 12 | // RCS-ID: $Id$ |
| 13 | // Copyright: (c) 2000 by Total Control Software |
| 14 | // Licence: wxWindows license |
| 15 | ///////////////////////////////////////////////////////////////////////////// |
| 16 | |
| 17 | |
| 18 | #include "ScintillaWX.h" |
| 19 | #include "ExternalLexer.h" |
| 20 | #include "wx/stc/stc.h" |
| 21 | #include "PlatWX.h" |
| 22 | #include <wx/textbuf.h> |
| 23 | |
| 24 | //---------------------------------------------------------------------- |
| 25 | // Helper classes |
| 26 | |
| 27 | class wxSTCTimer : public wxTimer { |
| 28 | public: |
| 29 | wxSTCTimer(ScintillaWX* swx) { |
| 30 | this->swx = swx; |
| 31 | } |
| 32 | |
| 33 | void Notify() { |
| 34 | swx->DoTick(); |
| 35 | } |
| 36 | |
| 37 | private: |
| 38 | ScintillaWX* swx; |
| 39 | }; |
| 40 | |
| 41 | |
| 42 | #if wxUSE_DRAG_AND_DROP |
| 43 | bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) { |
| 44 | return swx->DoDropText(x, y, data); |
| 45 | } |
| 46 | |
| 47 | wxDragResult wxSTCDropTarget::OnEnter(wxCoord x, wxCoord y, wxDragResult def) { |
| 48 | return swx->DoDragEnter(x, y, def); |
| 49 | } |
| 50 | |
| 51 | wxDragResult wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def) { |
| 52 | return swx->DoDragOver(x, y, def); |
| 53 | } |
| 54 | |
| 55 | void wxSTCDropTarget::OnLeave() { |
| 56 | swx->DoDragLeave(); |
| 57 | } |
| 58 | #endif |
| 59 | |
| 60 | |
| 61 | #if wxUSE_POPUPWIN && wxSTC_USE_POPUP |
| 62 | #include <wx/popupwin.h> |
| 63 | #define wxSTCCallTipBase wxPopupWindow |
| 64 | #define param2 wxBORDER_NONE // popup's 2nd param is flags |
| 65 | #else |
| 66 | #define wxSTCCallTipBase wxWindow |
| 67 | #define param2 -1 // wxWindow's 2nd param is ID |
| 68 | #endif |
| 69 | |
| 70 | #include <wx/dcbuffer.h> |
| 71 | |
| 72 | class wxSTCCallTip : public wxSTCCallTipBase { |
| 73 | public: |
| 74 | wxSTCCallTip(wxWindow* parent, CallTip* ct, ScintillaWX* swx) |
| 75 | : wxSTCCallTipBase(parent, param2), |
| 76 | m_ct(ct), m_swx(swx), m_cx(wxDefaultCoord), m_cy(wxDefaultCoord) |
| 77 | { |
| 78 | } |
| 79 | |
| 80 | ~wxSTCCallTip() { |
| 81 | #if wxUSE_POPUPWIN && wxSTC_USE_POPUP && defined(__WXGTK__) |
| 82 | wxRect rect = GetRect(); |
| 83 | rect.x = m_cx; |
| 84 | rect.y = m_cy; |
| 85 | GetParent()->Refresh(false, &rect); |
| 86 | #endif |
| 87 | } |
| 88 | |
| 89 | bool AcceptsFocus() const { return false; } |
| 90 | |
| 91 | void OnPaint(wxPaintEvent& WXUNUSED(evt)) { |
| 92 | wxBufferedPaintDC dc(this); |
| 93 | Surface* surfaceWindow = Surface::Allocate(); |
| 94 | surfaceWindow->Init(&dc, m_ct->wDraw.GetID()); |
| 95 | m_ct->PaintCT(surfaceWindow); |
| 96 | surfaceWindow->Release(); |
| 97 | delete surfaceWindow; |
| 98 | } |
| 99 | |
| 100 | void OnFocus(wxFocusEvent& event) { |
| 101 | GetParent()->SetFocus(); |
| 102 | event.Skip(); |
| 103 | } |
| 104 | |
| 105 | void OnLeftDown(wxMouseEvent& event) { |
| 106 | wxPoint pt = event.GetPosition(); |
| 107 | Point p(pt.x, pt.y); |
| 108 | m_ct->MouseClick(p); |
| 109 | m_swx->CallTipClick(); |
| 110 | } |
| 111 | |
| 112 | #if wxUSE_POPUPWIN && wxSTC_USE_POPUP |
| 113 | virtual void DoSetSize(int x, int y, |
| 114 | int width, int height, |
| 115 | int sizeFlags = wxSIZE_AUTO) { |
| 116 | if (x != wxDefaultCoord) { |
| 117 | m_cx = x; |
| 118 | GetParent()->ClientToScreen(&x, NULL); |
| 119 | } |
| 120 | if (y != wxDefaultCoord) { |
| 121 | m_cy = y; |
| 122 | GetParent()->ClientToScreen(NULL, &y); |
| 123 | } |
| 124 | wxSTCCallTipBase::DoSetSize(x, y, width, height, sizeFlags); |
| 125 | } |
| 126 | #endif |
| 127 | |
| 128 | wxPoint GetMyPosition() { |
| 129 | return wxPoint(m_cx, m_cy); |
| 130 | } |
| 131 | |
| 132 | private: |
| 133 | CallTip* m_ct; |
| 134 | ScintillaWX* m_swx; |
| 135 | int m_cx, m_cy; |
| 136 | DECLARE_EVENT_TABLE() |
| 137 | }; |
| 138 | |
| 139 | BEGIN_EVENT_TABLE(wxSTCCallTip, wxSTCCallTipBase) |
| 140 | EVT_PAINT(wxSTCCallTip::OnPaint) |
| 141 | EVT_SET_FOCUS(wxSTCCallTip::OnFocus) |
| 142 | EVT_LEFT_DOWN(wxSTCCallTip::OnLeftDown) |
| 143 | END_EVENT_TABLE() |
| 144 | |
| 145 | |
| 146 | //---------------------------------------------------------------------- |
| 147 | |
| 148 | static wxTextFileType wxConvertEOLMode(int scintillaMode) |
| 149 | { |
| 150 | wxTextFileType type; |
| 151 | |
| 152 | switch (scintillaMode) { |
| 153 | case wxSTC_EOL_CRLF: |
| 154 | type = wxTextFileType_Dos; |
| 155 | break; |
| 156 | |
| 157 | case wxSTC_EOL_CR: |
| 158 | type = wxTextFileType_Mac; |
| 159 | break; |
| 160 | |
| 161 | case wxSTC_EOL_LF: |
| 162 | type = wxTextFileType_Unix; |
| 163 | break; |
| 164 | |
| 165 | default: |
| 166 | type = wxTextBuffer::typeDefault; |
| 167 | break; |
| 168 | } |
| 169 | return type; |
| 170 | } |
| 171 | |
| 172 | |
| 173 | //---------------------------------------------------------------------- |
| 174 | // Constructor/Destructor |
| 175 | |
| 176 | |
| 177 | ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) { |
| 178 | capturedMouse = false; |
| 179 | focusEvent = false; |
| 180 | wMain = win; |
| 181 | stc = win; |
| 182 | wheelRotation = 0; |
| 183 | Initialise(); |
| 184 | #ifdef __WXMSW__ |
| 185 | sysCaretBitmap = 0; |
| 186 | sysCaretWidth = 0; |
| 187 | sysCaretHeight = 0; |
| 188 | #endif |
| 189 | } |
| 190 | |
| 191 | |
| 192 | ScintillaWX::~ScintillaWX() { |
| 193 | Finalise(); |
| 194 | } |
| 195 | |
| 196 | //---------------------------------------------------------------------- |
| 197 | // base class virtuals |
| 198 | |
| 199 | |
| 200 | void ScintillaWX::Initialise() { |
| 201 | //ScintillaBase::Initialise(); |
| 202 | #if wxUSE_DRAG_AND_DROP |
| 203 | dropTarget = new wxSTCDropTarget; |
| 204 | dropTarget->SetScintilla(this); |
| 205 | stc->SetDropTarget(dropTarget); |
| 206 | #endif |
| 207 | #ifdef __WXMAC__ |
| 208 | vs.extraFontFlag = false; // UseAntiAliasing |
| 209 | #else |
| 210 | vs.extraFontFlag = true; // UseAntiAliasing |
| 211 | #endif |
| 212 | } |
| 213 | |
| 214 | |
| 215 | void ScintillaWX::Finalise() { |
| 216 | ScintillaBase::Finalise(); |
| 217 | SetTicking(false); |
| 218 | SetIdle(false); |
| 219 | DestroySystemCaret(); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | void ScintillaWX::StartDrag() { |
| 224 | #if wxUSE_DRAG_AND_DROP |
| 225 | wxString dragText = stc2wx(drag.s, drag.len); |
| 226 | |
| 227 | // Send an event to allow the drag text to be changed |
| 228 | wxStyledTextEvent evt(wxEVT_STC_START_DRAG, stc->GetId()); |
| 229 | evt.SetEventObject(stc); |
| 230 | evt.SetDragText(dragText); |
| 231 | evt.SetDragAllowMove(true); |
| 232 | evt.SetPosition(wxMin(stc->GetSelectionStart(), |
| 233 | stc->GetSelectionEnd())); |
| 234 | stc->GetEventHandler()->ProcessEvent(evt); |
| 235 | dragText = evt.GetDragText(); |
| 236 | |
| 237 | if (dragText.Length()) { |
| 238 | wxDropSource source(stc); |
| 239 | wxTextDataObject data(dragText); |
| 240 | wxDragResult result; |
| 241 | |
| 242 | source.SetData(data); |
| 243 | dropWentOutside = true; |
| 244 | result = source.DoDragDrop(evt.GetDragAllowMove()); |
| 245 | if (result == wxDragMove && dropWentOutside) |
| 246 | ClearSelection(); |
| 247 | inDragDrop = false; |
| 248 | SetDragPosition(invalidPosition); |
| 249 | } |
| 250 | #endif |
| 251 | } |
| 252 | |
| 253 | |
| 254 | bool ScintillaWX::SetIdle(bool on) { |
| 255 | if (idler.state != on) { |
| 256 | // connect or disconnect the EVT_IDLE handler |
| 257 | if (on) |
| 258 | stc->Connect(wxID_ANY, wxEVT_IDLE, |
| 259 | (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle); |
| 260 | else |
| 261 | stc->Disconnect(wxID_ANY, wxEVT_IDLE, |
| 262 | (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle); |
| 263 | idler.state = on; |
| 264 | } |
| 265 | return idler.state; |
| 266 | } |
| 267 | |
| 268 | |
| 269 | void ScintillaWX::SetTicking(bool on) { |
| 270 | wxSTCTimer* steTimer; |
| 271 | if (timer.ticking != on) { |
| 272 | timer.ticking = on; |
| 273 | if (timer.ticking) { |
| 274 | steTimer = new wxSTCTimer(this); |
| 275 | steTimer->Start(timer.tickSize); |
| 276 | timer.tickerID = steTimer; |
| 277 | } else { |
| 278 | steTimer = (wxSTCTimer*)timer.tickerID; |
| 279 | steTimer->Stop(); |
| 280 | delete steTimer; |
| 281 | timer.tickerID = 0; |
| 282 | } |
| 283 | } |
| 284 | timer.ticksToWait = caret.period; |
| 285 | } |
| 286 | |
| 287 | |
| 288 | void ScintillaWX::SetMouseCapture(bool on) { |
| 289 | if (mouseDownCaptures) { |
| 290 | if (on && !capturedMouse) |
| 291 | stc->CaptureMouse(); |
| 292 | else if (!on && capturedMouse && stc->HasCapture()) |
| 293 | stc->ReleaseMouse(); |
| 294 | capturedMouse = on; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | |
| 299 | bool ScintillaWX::HaveMouseCapture() { |
| 300 | return capturedMouse; |
| 301 | } |
| 302 | |
| 303 | |
| 304 | void ScintillaWX::ScrollText(int linesToMove) { |
| 305 | int dy = vs.lineHeight * (linesToMove); |
| 306 | stc->ScrollWindow(0, dy); |
| 307 | stc->Update(); |
| 308 | } |
| 309 | |
| 310 | void ScintillaWX::SetVerticalScrollPos() { |
| 311 | if (stc->m_vScrollBar == NULL) { // Use built-in scrollbar |
| 312 | stc->SetScrollPos(wxVERTICAL, topLine); |
| 313 | } |
| 314 | else { // otherwise use the one that's been given to us |
| 315 | stc->m_vScrollBar->SetThumbPosition(topLine); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | void ScintillaWX::SetHorizontalScrollPos() { |
| 320 | if (stc->m_hScrollBar == NULL) { // Use built-in scrollbar |
| 321 | stc->SetScrollPos(wxHORIZONTAL, xOffset); |
| 322 | } |
| 323 | else { // otherwise use the one that's been given to us |
| 324 | stc->m_hScrollBar->SetThumbPosition(xOffset); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | |
| 329 | const int H_SCROLL_STEP = 20; |
| 330 | |
| 331 | bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) { |
| 332 | bool modified = false; |
| 333 | |
| 334 | int vertEnd = nMax; |
| 335 | if (!verticalScrollBarVisible) |
| 336 | vertEnd = 0; |
| 337 | |
| 338 | // Check the vertical scrollbar |
| 339 | if (stc->m_vScrollBar == NULL) { // Use built-in scrollbar |
| 340 | int sbMax = stc->GetScrollRange(wxVERTICAL); |
| 341 | int sbThumb = stc->GetScrollThumb(wxVERTICAL); |
| 342 | int sbPos = stc->GetScrollPos(wxVERTICAL); |
| 343 | if (sbMax != vertEnd || sbThumb != nPage) { |
| 344 | stc->SetScrollbar(wxVERTICAL, sbPos, nPage, vertEnd+1); |
| 345 | modified = true; |
| 346 | } |
| 347 | } |
| 348 | else { // otherwise use the one that's been given to us |
| 349 | int sbMax = stc->m_vScrollBar->GetRange(); |
| 350 | int sbPage = stc->m_vScrollBar->GetPageSize(); |
| 351 | int sbPos = stc->m_vScrollBar->GetThumbPosition(); |
| 352 | if (sbMax != vertEnd || sbPage != nPage) { |
| 353 | stc->m_vScrollBar->SetScrollbar(sbPos, nPage, vertEnd+1, nPage); |
| 354 | modified = true; |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | |
| 359 | // Check the horizontal scrollbar |
| 360 | PRectangle rcText = GetTextRectangle(); |
| 361 | int horizEnd = scrollWidth; |
| 362 | if (horizEnd < 0) |
| 363 | horizEnd = 0; |
| 364 | if (!horizontalScrollBarVisible || (wrapState != eWrapNone)) |
| 365 | horizEnd = 0; |
| 366 | int pageWidth = rcText.Width(); |
| 367 | |
| 368 | if (stc->m_hScrollBar == NULL) { // Use built-in scrollbar |
| 369 | int sbMax = stc->GetScrollRange(wxHORIZONTAL); |
| 370 | int sbThumb = stc->GetScrollThumb(wxHORIZONTAL); |
| 371 | int sbPos = stc->GetScrollPos(wxHORIZONTAL); |
| 372 | if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) { |
| 373 | stc->SetScrollbar(wxHORIZONTAL, sbPos, pageWidth, horizEnd); |
| 374 | modified = true; |
| 375 | if (scrollWidth < pageWidth) { |
| 376 | HorizontalScrollTo(0); |
| 377 | } |
| 378 | } |
| 379 | } |
| 380 | else { // otherwise use the one that's been given to us |
| 381 | int sbMax = stc->m_hScrollBar->GetRange(); |
| 382 | int sbThumb = stc->m_hScrollBar->GetPageSize(); |
| 383 | int sbPos = stc->m_hScrollBar->GetThumbPosition(); |
| 384 | if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) { |
| 385 | stc->m_hScrollBar->SetScrollbar(sbPos, pageWidth, horizEnd, pageWidth); |
| 386 | modified = true; |
| 387 | if (scrollWidth < pageWidth) { |
| 388 | HorizontalScrollTo(0); |
| 389 | } |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | return modified; |
| 394 | } |
| 395 | |
| 396 | |
| 397 | void ScintillaWX::NotifyChange() { |
| 398 | stc->NotifyChange(); |
| 399 | } |
| 400 | |
| 401 | |
| 402 | void ScintillaWX::NotifyParent(SCNotification scn) { |
| 403 | stc->NotifyParent(&scn); |
| 404 | } |
| 405 | |
| 406 | |
| 407 | // This method is overloaded from ScintillaBase in order to prevent the |
| 408 | // AutoComplete window from being destroyed when it gets the focus. There is |
| 409 | // a side effect that the AutoComp will also not be destroyed when switching |
| 410 | // to another window, but I think that is okay. |
| 411 | void ScintillaWX::CancelModes() { |
| 412 | if (! focusEvent) |
| 413 | AutoCompleteCancel(); |
| 414 | ct.CallTipCancel(); |
| 415 | Editor::CancelModes(); |
| 416 | } |
| 417 | |
| 418 | |
| 419 | |
| 420 | void ScintillaWX::Copy() { |
| 421 | if (currentPos != anchor) { |
| 422 | SelectionText st; |
| 423 | CopySelectionRange(&st); |
| 424 | CopyToClipboard(st); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | |
| 429 | void ScintillaWX::Paste() { |
| 430 | pdoc->BeginUndoAction(); |
| 431 | ClearSelection(); |
| 432 | |
| 433 | wxTextDataObject data; |
| 434 | bool gotData = false; |
| 435 | |
| 436 | if (wxTheClipboard->Open()) { |
| 437 | wxTheClipboard->UsePrimarySelection(false); |
| 438 | gotData = wxTheClipboard->GetData(data); |
| 439 | wxTheClipboard->Close(); |
| 440 | } |
| 441 | if (gotData) { |
| 442 | wxString text = wxTextBuffer::Translate(data.GetText(), |
| 443 | wxConvertEOLMode(pdoc->eolMode)); |
| 444 | wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text); |
| 445 | int len = strlen(buf); |
| 446 | pdoc->InsertString(currentPos, buf, len); |
| 447 | SetEmptySelection(currentPos + len); |
| 448 | } |
| 449 | |
| 450 | pdoc->EndUndoAction(); |
| 451 | NotifyChange(); |
| 452 | Redraw(); |
| 453 | } |
| 454 | |
| 455 | |
| 456 | void ScintillaWX::CopyToClipboard(const SelectionText& st) { |
| 457 | if (wxTheClipboard->Open()) { |
| 458 | wxTheClipboard->UsePrimarySelection(false); |
| 459 | wxString text = wxTextBuffer::Translate(stc2wx(st.s, st.len)); |
| 460 | wxTheClipboard->SetData(new wxTextDataObject(text)); |
| 461 | wxTheClipboard->Close(); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | |
| 466 | bool ScintillaWX::CanPaste() { |
| 467 | bool canPaste = false; |
| 468 | bool didOpen; |
| 469 | |
| 470 | if (Editor::CanPaste()) { |
| 471 | didOpen = !wxTheClipboard->IsOpened(); |
| 472 | if ( didOpen ) |
| 473 | wxTheClipboard->Open(); |
| 474 | |
| 475 | if (wxTheClipboard->IsOpened()) { |
| 476 | wxTheClipboard->UsePrimarySelection(false); |
| 477 | canPaste = wxTheClipboard->IsSupported(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT); |
| 478 | if (didOpen) |
| 479 | wxTheClipboard->Close(); |
| 480 | } |
| 481 | } |
| 482 | return canPaste; |
| 483 | } |
| 484 | |
| 485 | void ScintillaWX::CreateCallTipWindow(PRectangle) { |
| 486 | if (! ct.wCallTip.Created() ) { |
| 487 | ct.wCallTip = new wxSTCCallTip(stc, &ct, this); |
| 488 | ct.wDraw = ct.wCallTip; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | |
| 493 | void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) { |
| 494 | if (!label[0]) |
| 495 | ((wxMenu*)popup.GetID())->AppendSeparator(); |
| 496 | else |
| 497 | ((wxMenu*)popup.GetID())->Append(cmd, wxGetTranslation(stc2wx(label))); |
| 498 | |
| 499 | if (!enabled) |
| 500 | ((wxMenu*)popup.GetID())->Enable(cmd, enabled); |
| 501 | } |
| 502 | |
| 503 | |
| 504 | // This is called by the Editor base class whenever something is selected |
| 505 | void ScintillaWX::ClaimSelection() { |
| 506 | #if 0 |
| 507 | // Until wxGTK is able to support using both the primary selection and the |
| 508 | // clipboard at the same time I think it causes more problems than it is |
| 509 | // worth to implement this method. Selecting text should not clear the |
| 510 | // clipboard. --Robin |
| 511 | #ifdef __WXGTK__ |
| 512 | // Put the selected text in the PRIMARY selection |
| 513 | if (currentPos != anchor) { |
| 514 | SelectionText st; |
| 515 | CopySelectionRange(&st); |
| 516 | if (wxTheClipboard->Open()) { |
| 517 | wxTheClipboard->UsePrimarySelection(true); |
| 518 | wxString text = stc2wx(st.s, st.len); |
| 519 | wxTheClipboard->SetData(new wxTextDataObject(text)); |
| 520 | wxTheClipboard->UsePrimarySelection(false); |
| 521 | wxTheClipboard->Close(); |
| 522 | } |
| 523 | } |
| 524 | #endif |
| 525 | #endif |
| 526 | } |
| 527 | |
| 528 | |
| 529 | void ScintillaWX::UpdateSystemCaret() { |
| 530 | #ifdef __WXMSW__ |
| 531 | if (hasFocus) { |
| 532 | if (HasCaretSizeChanged()) { |
| 533 | DestroySystemCaret(); |
| 534 | CreateSystemCaret(); |
| 535 | } |
| 536 | Point pos = LocationFromPosition(currentPos); |
| 537 | ::SetCaretPos(pos.x, pos.y); |
| 538 | } |
| 539 | #endif |
| 540 | } |
| 541 | |
| 542 | |
| 543 | bool ScintillaWX::HasCaretSizeChanged() { |
| 544 | #ifdef __WXMSW__ |
| 545 | if (( (0 != vs.caretWidth) && (sysCaretWidth != vs.caretWidth) ) |
| 546 | || (0 != vs.lineHeight) && (sysCaretHeight != vs.lineHeight)) { |
| 547 | return true; |
| 548 | } |
| 549 | #endif |
| 550 | return false; |
| 551 | } |
| 552 | |
| 553 | bool ScintillaWX::CreateSystemCaret() { |
| 554 | #ifdef __WXMSW__ |
| 555 | sysCaretWidth = vs.caretWidth; |
| 556 | if (0 == sysCaretWidth) { |
| 557 | sysCaretWidth = 1; |
| 558 | } |
| 559 | sysCaretHeight = vs.lineHeight; |
| 560 | int bitmapSize = (((sysCaretWidth + 15) & ~15) >> 3) * sysCaretHeight; |
| 561 | char *bits = new char[bitmapSize]; |
| 562 | memset(bits, 0, bitmapSize); |
| 563 | sysCaretBitmap = ::CreateBitmap(sysCaretWidth, sysCaretHeight, 1, |
| 564 | 1, reinterpret_cast<BYTE *>(bits)); |
| 565 | delete [] bits; |
| 566 | BOOL retval = ::CreateCaret(GetHwndOf(stc), sysCaretBitmap, |
| 567 | sysCaretWidth, sysCaretHeight); |
| 568 | ::ShowCaret(GetHwndOf(stc)); |
| 569 | return retval != 0; |
| 570 | #else |
| 571 | return false; |
| 572 | #endif |
| 573 | } |
| 574 | |
| 575 | bool ScintillaWX::DestroySystemCaret() { |
| 576 | #ifdef __WXMSW__ |
| 577 | ::HideCaret(GetHwndOf(stc)); |
| 578 | BOOL retval = ::DestroyCaret(); |
| 579 | if (sysCaretBitmap) { |
| 580 | ::DeleteObject(sysCaretBitmap); |
| 581 | sysCaretBitmap = 0; |
| 582 | } |
| 583 | return retval != 0; |
| 584 | #else |
| 585 | return false; |
| 586 | #endif |
| 587 | } |
| 588 | |
| 589 | |
| 590 | //---------------------------------------------------------------------- |
| 591 | |
| 592 | |
| 593 | long ScintillaWX::DefWndProc(unsigned int /*iMessage*/, unsigned long /*wParam*/, long /*lParam*/) { |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lParam) { |
| 598 | switch (iMessage) { |
| 599 | case SCI_CALLTIPSHOW: { |
| 600 | // NOTE: This is copied here from scintilla/src/ScintillaBase.cxx |
| 601 | // because of the little tweak that needs done below for wxGTK. |
| 602 | // When updating new versions double check that this is still |
| 603 | // needed, and that any new code there is copied here too. |
| 604 | Point pt = LocationFromPosition(wParam); |
| 605 | char* defn = reinterpret_cast<char *>(lParam); |
| 606 | AutoCompleteCancel(); |
| 607 | pt.y += vs.lineHeight; |
| 608 | PRectangle rc = ct.CallTipStart(currentPos, pt, |
| 609 | defn, |
| 610 | vs.styles[STYLE_DEFAULT].fontName, |
| 611 | vs.styles[STYLE_DEFAULT].sizeZoomed, |
| 612 | CodePage(), |
| 613 | vs.styles[STYLE_DEFAULT].characterSet, |
| 614 | wMain); |
| 615 | // If the call-tip window would be out of the client |
| 616 | // space, adjust so it displays above the text. |
| 617 | PRectangle rcClient = GetClientRectangle(); |
| 618 | if (rc.bottom > rcClient.bottom) { |
| 619 | #ifdef __WXGTK__ |
| 620 | int offset = int(vs.lineHeight * 1.25) + rc.Height(); |
| 621 | #else |
| 622 | int offset = vs.lineHeight + rc.Height(); |
| 623 | #endif |
| 624 | rc.top -= offset; |
| 625 | rc.bottom -= offset; |
| 626 | } |
| 627 | // Now display the window. |
| 628 | CreateCallTipWindow(rc); |
| 629 | ct.wCallTip.SetPositionRelative(rc, wMain); |
| 630 | ct.wCallTip.Show(); |
| 631 | break; |
| 632 | } |
| 633 | |
| 634 | #ifdef SCI_LEXER |
| 635 | case SCI_LOADLEXERLIBRARY: |
| 636 | LexerManager::GetInstance()->Load((const char*)lParam); |
| 637 | break; |
| 638 | #endif |
| 639 | default: |
| 640 | return ScintillaBase::WndProc(iMessage, wParam, lParam); |
| 641 | } |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | |
| 646 | |
| 647 | //---------------------------------------------------------------------- |
| 648 | // Event delegates |
| 649 | |
| 650 | void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) { |
| 651 | |
| 652 | paintState = painting; |
| 653 | Surface* surfaceWindow = Surface::Allocate(); |
| 654 | surfaceWindow->Init(dc, wMain.GetID()); |
| 655 | rcPaint = PRectangleFromwxRect(rect); |
| 656 | PRectangle rcClient = GetClientRectangle(); |
| 657 | paintingAllText = rcPaint.Contains(rcClient); |
| 658 | |
| 659 | dc->BeginDrawing(); |
| 660 | ClipChildren(*dc, rcPaint); |
| 661 | Paint(surfaceWindow, rcPaint); |
| 662 | |
| 663 | delete surfaceWindow; |
| 664 | if (paintState == paintAbandoned) { |
| 665 | // Painting area was insufficient to cover new styling or brace |
| 666 | // highlight positions |
| 667 | FullPaint(); |
| 668 | } |
| 669 | paintState = notPainting; |
| 670 | dc->EndDrawing(); |
| 671 | } |
| 672 | |
| 673 | |
| 674 | void ScintillaWX::DoHScroll(int type, int pos) { |
| 675 | int xPos = xOffset; |
| 676 | PRectangle rcText = GetTextRectangle(); |
| 677 | int pageWidth = rcText.Width() * 2 / 3; |
| 678 | if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP) |
| 679 | xPos -= H_SCROLL_STEP; |
| 680 | else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN) |
| 681 | xPos += H_SCROLL_STEP; |
| 682 | else if (type == wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP) |
| 683 | xPos -= pageWidth; |
| 684 | else if (type == wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN) { |
| 685 | xPos += pageWidth; |
| 686 | if (xPos > scrollWidth - rcText.Width()) { |
| 687 | xPos = scrollWidth - rcText.Width(); |
| 688 | } |
| 689 | } |
| 690 | else if (type == wxEVT_SCROLLWIN_TOP || type == wxEVT_SCROLL_TOP) |
| 691 | xPos = 0; |
| 692 | else if (type == wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM) |
| 693 | xPos = scrollWidth; |
| 694 | else if (type == wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK) |
| 695 | xPos = pos; |
| 696 | |
| 697 | HorizontalScrollTo(xPos); |
| 698 | } |
| 699 | |
| 700 | void ScintillaWX::DoVScroll(int type, int pos) { |
| 701 | int topLineNew = topLine; |
| 702 | if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP) |
| 703 | topLineNew -= 1; |
| 704 | else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN) |
| 705 | topLineNew += 1; |
| 706 | else if (type == wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP) |
| 707 | topLineNew -= LinesToScroll(); |
| 708 | else if (type == wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN) |
| 709 | topLineNew += LinesToScroll(); |
| 710 | else if (type == wxEVT_SCROLLWIN_TOP || type == wxEVT_SCROLL_TOP) |
| 711 | topLineNew = 0; |
| 712 | else if (type == wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM) |
| 713 | topLineNew = MaxScrollPos(); |
| 714 | else if (type == wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK) |
| 715 | topLineNew = pos; |
| 716 | |
| 717 | ScrollTo(topLineNew); |
| 718 | } |
| 719 | |
| 720 | void ScintillaWX::DoMouseWheel(int rotation, int delta, |
| 721 | int linesPerAction, int ctrlDown, |
| 722 | bool isPageScroll ) { |
| 723 | int topLineNew = topLine; |
| 724 | int lines; |
| 725 | |
| 726 | if (ctrlDown) { // Zoom the fonts if Ctrl key down |
| 727 | if (rotation < 0) { |
| 728 | KeyCommand(SCI_ZOOMIN); |
| 729 | } |
| 730 | else { |
| 731 | KeyCommand(SCI_ZOOMOUT); |
| 732 | } |
| 733 | } |
| 734 | else { // otherwise just scroll the window |
| 735 | if ( !delta ) |
| 736 | delta = 120; |
| 737 | wheelRotation += rotation; |
| 738 | lines = wheelRotation / delta; |
| 739 | wheelRotation -= lines * delta; |
| 740 | if (lines != 0) { |
| 741 | if (isPageScroll) |
| 742 | lines = lines * LinesOnScreen(); // lines is either +1 or -1 |
| 743 | else |
| 744 | lines *= linesPerAction; |
| 745 | topLineNew -= lines; |
| 746 | ScrollTo(topLineNew); |
| 747 | } |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | |
| 752 | void ScintillaWX::DoSize(int WXUNUSED(width), int WXUNUSED(height)) { |
| 753 | ChangeSize(); |
| 754 | } |
| 755 | |
| 756 | void ScintillaWX::DoLoseFocus(){ |
| 757 | focusEvent = true; |
| 758 | SetFocusState(false); |
| 759 | focusEvent = false; |
| 760 | DestroySystemCaret(); |
| 761 | } |
| 762 | |
| 763 | void ScintillaWX::DoGainFocus(){ |
| 764 | focusEvent = true; |
| 765 | SetFocusState(true); |
| 766 | focusEvent = false; |
| 767 | DestroySystemCaret(); |
| 768 | CreateSystemCaret(); |
| 769 | } |
| 770 | |
| 771 | void ScintillaWX::DoSysColourChange() { |
| 772 | InvalidateStyleData(); |
| 773 | } |
| 774 | |
| 775 | void ScintillaWX::DoLeftButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt) { |
| 776 | ButtonDown(pt, curTime, shift, ctrl, alt); |
| 777 | } |
| 778 | |
| 779 | void ScintillaWX::DoLeftButtonUp(Point pt, unsigned int curTime, bool ctrl) { |
| 780 | ButtonUp(pt, curTime, ctrl); |
| 781 | } |
| 782 | |
| 783 | void ScintillaWX::DoLeftButtonMove(Point pt) { |
| 784 | ButtonMove(pt); |
| 785 | } |
| 786 | |
| 787 | #ifdef __WXGTK__ |
| 788 | void ScintillaWX::DoMiddleButtonUp(Point pt) { |
| 789 | // Set the current position to the mouse click point and |
| 790 | // then paste in the PRIMARY selection, if any. wxGTK only. |
| 791 | int newPos = PositionFromLocation(pt); |
| 792 | MovePositionTo(newPos, noSel, true); |
| 793 | |
| 794 | pdoc->BeginUndoAction(); |
| 795 | wxTextDataObject data; |
| 796 | bool gotData = false; |
| 797 | if (wxTheClipboard->Open()) { |
| 798 | wxTheClipboard->UsePrimarySelection(true); |
| 799 | gotData = wxTheClipboard->GetData(data); |
| 800 | wxTheClipboard->UsePrimarySelection(false); |
| 801 | wxTheClipboard->Close(); |
| 802 | } |
| 803 | if (gotData) { |
| 804 | wxString text = wxTextBuffer::Translate(data.GetText(), |
| 805 | wxConvertEOLMode(pdoc->eolMode)); |
| 806 | wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text); |
| 807 | int len = strlen(buf); |
| 808 | pdoc->InsertString(currentPos, buf, len); |
| 809 | SetEmptySelection(currentPos + len); |
| 810 | } |
| 811 | pdoc->EndUndoAction(); |
| 812 | NotifyChange(); |
| 813 | Redraw(); |
| 814 | |
| 815 | ShowCaretAtCurrentPosition(); |
| 816 | EnsureCaretVisible(); |
| 817 | } |
| 818 | #else |
| 819 | void ScintillaWX::DoMiddleButtonUp(Point WXUNUSED(pt)) { |
| 820 | } |
| 821 | #endif |
| 822 | |
| 823 | |
| 824 | void ScintillaWX::DoAddChar(int key) { |
| 825 | #if wxUSE_UNICODE |
| 826 | wxChar wszChars[2]; |
| 827 | wszChars[0] = (wxChar)key; |
| 828 | wszChars[1] = 0; |
| 829 | wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(wszChars); |
| 830 | AddCharUTF((char*)buf.data(), strlen(buf)); |
| 831 | #else |
| 832 | AddChar((char)key); |
| 833 | #endif |
| 834 | } |
| 835 | |
| 836 | |
| 837 | int ScintillaWX::DoKeyDown(const wxKeyEvent& evt, bool* consumed) |
| 838 | { |
| 839 | int key = evt.GetKeyCode(); |
| 840 | bool shift = evt.ShiftDown(), |
| 841 | ctrl = evt.ControlDown(), |
| 842 | alt = evt.AltDown(); |
| 843 | |
| 844 | if (ctrl && key >= 1 && key <= 26) |
| 845 | key += 'A' - 1; |
| 846 | |
| 847 | switch (key) { |
| 848 | case WXK_DOWN: key = SCK_DOWN; break; |
| 849 | case WXK_UP: key = SCK_UP; break; |
| 850 | case WXK_LEFT: key = SCK_LEFT; break; |
| 851 | case WXK_RIGHT: key = SCK_RIGHT; break; |
| 852 | case WXK_HOME: key = SCK_HOME; break; |
| 853 | case WXK_END: key = SCK_END; break; |
| 854 | case WXK_PAGEUP: // fall through |
| 855 | case WXK_PRIOR: key = SCK_PRIOR; break; |
| 856 | case WXK_PAGEDOWN: // fall through |
| 857 | case WXK_NEXT: key = SCK_NEXT; break; |
| 858 | case WXK_DELETE: key = SCK_DELETE; break; |
| 859 | case WXK_INSERT: key = SCK_INSERT; break; |
| 860 | case WXK_ESCAPE: key = SCK_ESCAPE; break; |
| 861 | case WXK_BACK: key = SCK_BACK; break; |
| 862 | case WXK_TAB: key = SCK_TAB; break; |
| 863 | case WXK_RETURN: key = SCK_RETURN; break; |
| 864 | case WXK_ADD: // fall through |
| 865 | case WXK_NUMPAD_ADD: key = SCK_ADD; break; |
| 866 | case WXK_SUBTRACT: // fall through |
| 867 | case WXK_NUMPAD_SUBTRACT: key = SCK_SUBTRACT; break; |
| 868 | case WXK_DIVIDE: // fall through |
| 869 | case WXK_NUMPAD_DIVIDE: key = SCK_DIVIDE; break; |
| 870 | case WXK_CONTROL: key = 0; break; |
| 871 | case WXK_ALT: key = 0; break; |
| 872 | case WXK_SHIFT: key = 0; break; |
| 873 | case WXK_MENU: key = 0; break; |
| 874 | } |
| 875 | |
| 876 | #ifdef __WXMAC__ |
| 877 | if ( evt.MetaDown() ) { |
| 878 | // check for a few common Mac Meta-key combos and remap them to Ctrl |
| 879 | // for Scintilla |
| 880 | switch ( key ) { |
| 881 | case 'Z': // Undo |
| 882 | case 'X': // Cut |
| 883 | case 'C': // Copy |
| 884 | case 'V': // Paste |
| 885 | case 'A': // Select All |
| 886 | ctrl = true; |
| 887 | break; |
| 888 | } |
| 889 | } |
| 890 | #endif |
| 891 | |
| 892 | int rv = KeyDown(key, shift, ctrl, alt, consumed); |
| 893 | |
| 894 | if (key) |
| 895 | return rv; |
| 896 | else |
| 897 | return 1; |
| 898 | } |
| 899 | |
| 900 | |
| 901 | void ScintillaWX::DoCommand(int ID) { |
| 902 | Command(ID); |
| 903 | } |
| 904 | |
| 905 | |
| 906 | void ScintillaWX::DoContextMenu(Point pt) { |
| 907 | if (displayPopupMenu) |
| 908 | ContextMenu(pt); |
| 909 | } |
| 910 | |
| 911 | void ScintillaWX::DoOnListBox() { |
| 912 | AutoCompleteCompleted(); |
| 913 | } |
| 914 | |
| 915 | |
| 916 | void ScintillaWX::DoOnIdle(wxIdleEvent& evt) { |
| 917 | |
| 918 | if ( Idle() ) |
| 919 | evt.RequestMore(); |
| 920 | else |
| 921 | SetIdle(false); |
| 922 | } |
| 923 | |
| 924 | //---------------------------------------------------------------------- |
| 925 | |
| 926 | #if wxUSE_DRAG_AND_DROP |
| 927 | bool ScintillaWX::DoDropText(long x, long y, const wxString& data) { |
| 928 | SetDragPosition(invalidPosition); |
| 929 | |
| 930 | wxString text = wxTextBuffer::Translate(data, |
| 931 | wxConvertEOLMode(pdoc->eolMode)); |
| 932 | |
| 933 | // Send an event to allow the drag details to be changed |
| 934 | wxStyledTextEvent evt(wxEVT_STC_DO_DROP, stc->GetId()); |
| 935 | evt.SetEventObject(stc); |
| 936 | evt.SetDragResult(dragResult); |
| 937 | evt.SetX(x); |
| 938 | evt.SetY(y); |
| 939 | evt.SetPosition(PositionFromLocation(Point(x,y))); |
| 940 | evt.SetDragText(text); |
| 941 | stc->GetEventHandler()->ProcessEvent(evt); |
| 942 | |
| 943 | dragResult = evt.GetDragResult(); |
| 944 | if (dragResult == wxDragMove || dragResult == wxDragCopy) { |
| 945 | DropAt(evt.GetPosition(), |
| 946 | wx2stc(evt.GetDragText()), |
| 947 | dragResult == wxDragMove, |
| 948 | false); // TODO: rectangular? |
| 949 | return true; |
| 950 | } |
| 951 | return false; |
| 952 | } |
| 953 | |
| 954 | |
| 955 | wxDragResult ScintillaWX::DoDragEnter(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxDragResult def) { |
| 956 | dragResult = def; |
| 957 | return dragResult; |
| 958 | } |
| 959 | |
| 960 | |
| 961 | wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) { |
| 962 | SetDragPosition(PositionFromLocation(Point(x, y))); |
| 963 | |
| 964 | // Send an event to allow the drag result to be changed |
| 965 | wxStyledTextEvent evt(wxEVT_STC_DRAG_OVER, stc->GetId()); |
| 966 | evt.SetEventObject(stc); |
| 967 | evt.SetDragResult(def); |
| 968 | evt.SetX(x); |
| 969 | evt.SetY(y); |
| 970 | evt.SetPosition(PositionFromLocation(Point(x,y))); |
| 971 | stc->GetEventHandler()->ProcessEvent(evt); |
| 972 | |
| 973 | dragResult = evt.GetDragResult(); |
| 974 | return dragResult; |
| 975 | } |
| 976 | |
| 977 | |
| 978 | void ScintillaWX::DoDragLeave() { |
| 979 | SetDragPosition(invalidPosition); |
| 980 | } |
| 981 | #endif |
| 982 | //---------------------------------------------------------------------- |
| 983 | |
| 984 | // Force the whole window to be repainted |
| 985 | void ScintillaWX::FullPaint() { |
| 986 | stc->Refresh(false); |
| 987 | stc->Update(); |
| 988 | } |
| 989 | |
| 990 | |
| 991 | void ScintillaWX::DoScrollToLine(int line) { |
| 992 | ScrollTo(line); |
| 993 | } |
| 994 | |
| 995 | |
| 996 | void ScintillaWX::DoScrollToColumn(int column) { |
| 997 | HorizontalScrollTo(column * vs.spaceWidth); |
| 998 | } |
| 999 | |
| 1000 | #ifdef __WXGTK__ |
| 1001 | void ScintillaWX::ClipChildren(wxDC& dc, PRectangle rect) { |
| 1002 | wxRegion rgn(wxRectFromPRectangle(rect)); |
| 1003 | if (ac.Active()) { |
| 1004 | wxRect childRect = ((wxWindow*)ac.lb->GetID())->GetRect(); |
| 1005 | rgn.Subtract(childRect); |
| 1006 | } |
| 1007 | if (ct.inCallTipMode) { |
| 1008 | wxSTCCallTip* tip = (wxSTCCallTip*)ct.wCallTip.GetID(); |
| 1009 | wxRect childRect = tip->GetRect(); |
| 1010 | #if wxUSE_POPUPWIN && wxSTC_USE_POPUP |
| 1011 | childRect.SetPosition(tip->GetMyPosition()); |
| 1012 | #endif |
| 1013 | rgn.Subtract(childRect); |
| 1014 | } |
| 1015 | |
| 1016 | dc.SetClippingRegion(rgn); |
| 1017 | } |
| 1018 | #else |
| 1019 | void ScintillaWX::ClipChildren(wxDC& WXUNUSED(dc), PRectangle WXUNUSED(rect)) { |
| 1020 | } |
| 1021 | #endif |
| 1022 | |
| 1023 | |
| 1024 | void ScintillaWX::SetUseAntiAliasing(bool useAA) { |
| 1025 | vs.extraFontFlag = useAA; |
| 1026 | InvalidateStyleRedraw(); |
| 1027 | } |
| 1028 | |
| 1029 | bool ScintillaWX::GetUseAntiAliasing() { |
| 1030 | return vs.extraFontFlag; |
| 1031 | } |
| 1032 | |
| 1033 | //---------------------------------------------------------------------- |
| 1034 | //---------------------------------------------------------------------- |