src/stc/ScintillaWX.cpp

   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 #include "wx/wx.h"
  18 #include "wx/textbuf.h"
  19 #include "wx/dataobj.h"
  20 #include "wx/clipbrd.h"
  21 #include "wx/dnd.h"
  22
  23 #include "ScintillaWX.h"
  24 #include "ExternalLexer.h"
  25 #include "wx/stc/stc.h"
  26 #include "PlatWX.h"
  27
  28 #ifdef __WXMSW__
  29     // GetHwndOf()
  30     #include "wx/msw/private.h"
  31 #endif
  32
  33 //----------------------------------------------------------------------
  34 // Helper classes
  35
  36 class wxSTCTimer : public wxTimer {
  37 public:
  38     wxSTCTimer(ScintillaWX* swx) {
  39         this->swx = swx;
  40     }
  41
  42     void Notify() {
  43         swx->DoTick();
  44     }
  45
  46 private:
  47     ScintillaWX* swx;
  48 };
  49
  50
  51 #if wxUSE_DRAG_AND_DROP
  52 class wxStartDragTimer : public wxTimer {
  53 public:
  54     wxStartDragTimer(ScintillaWX* swx) {
  55         this->swx = swx;
  56     }
  57
  58     void Notify() {
  59         swx->DoStartDrag();
  60     }
  61
  62 private:
  63     ScintillaWX* swx;
  64 };
  65
  66
  67 bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) {
  68     return swx->DoDropText(x, y, data);
  69 }
  70
  71 wxDragResult  wxSTCDropTarget::OnEnter(wxCoord x, wxCoord y, wxDragResult def) {
  72     return swx->DoDragEnter(x, y, def);
  73 }
  74
  75 wxDragResult  wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def) {
  76     return swx->DoDragOver(x, y, def);
  77 }
  78
  79 void  wxSTCDropTarget::OnLeave() {
  80     swx->DoDragLeave();
  81 }
  82 #endif // wxUSE_DRAG_AND_DROP
  83
  84
  85 #if wxUSE_POPUPWIN && wxSTC_USE_POPUP
  86 #include <wx/popupwin.h>
  87 #define wxSTCCallTipBase wxPopupWindow
  88 #define param2  wxBORDER_NONE  // popup's 2nd param is flags
  89 #else
  90 #define wxSTCCallTipBase wxWindow
  91 #define param2 -1 // wxWindow's 2nd param is ID
  92 #endif
  93
  94 #include <wx/dcbuffer.h>
  95
  96 class wxSTCCallTip : public wxSTCCallTipBase {
  97 public:
  98     wxSTCCallTip(wxWindow* parent, CallTip* ct, ScintillaWX* swx)
  99         : wxSTCCallTipBase(parent, param2),
 100           m_ct(ct), m_swx(swx), m_cx(wxDefaultCoord), m_cy(wxDefaultCoord)
 101         {
 102         }
 103
 104     ~wxSTCCallTip() {
 105 #if wxUSE_POPUPWIN && wxSTC_USE_POPUP && defined(__WXGTK__)
 106         wxRect rect = GetRect();
 107         rect.x = m_cx;
 108         rect.y = m_cy;
 109         GetParent()->Refresh(false, &rect);
 110 #endif
 111     }
 112
 113     bool AcceptsFocus() const { return false; }
 114
 115     void OnPaint(wxPaintEvent& WXUNUSED(evt)) {
 116         wxBufferedPaintDC dc(this);
 117         Surface* surfaceWindow = Surface::Allocate();
 118         surfaceWindow->Init(&dc, m_ct->wDraw.GetID());
 119         m_ct->PaintCT(surfaceWindow);
 120         surfaceWindow->Release();
 121         delete surfaceWindow;
 122     }
 123
 124     void OnFocus(wxFocusEvent& event) {
 125         GetParent()->SetFocus();
 126         event.Skip();
 127     }
 128
 129     void OnLeftDown(wxMouseEvent& event) {
 130         wxPoint pt = event.GetPosition();
 131         Point p(pt.x, pt.y);
 132         m_ct->MouseClick(p);
 133         m_swx->CallTipClick();
 134     }
 135
 136 #if wxUSE_POPUPWIN && wxSTC_USE_POPUP
 137     virtual void DoSetSize(int x, int y,
 138                            int width, int height,
 139                            int sizeFlags = wxSIZE_AUTO) {
 140         if (x != wxDefaultCoord) {
 141             m_cx = x;
 142             GetParent()->ClientToScreen(&x, NULL);
 143         }
 144         if (y != wxDefaultCoord) {
 145             m_cy = y;
 146             GetParent()->ClientToScreen(NULL, &y);
 147         }
 148         wxSTCCallTipBase::DoSetSize(x, y, width, height, sizeFlags);
 149     }
 150 #endif
 151
 152     wxPoint GetMyPosition() {
 153         return wxPoint(m_cx, m_cy);
 154     }
 155
 156 private:
 157     CallTip*      m_ct;
 158     ScintillaWX*  m_swx;
 159     int           m_cx, m_cy;
 160     DECLARE_EVENT_TABLE()
 161 };
 162
 163 BEGIN_EVENT_TABLE(wxSTCCallTip, wxSTCCallTipBase)
 164     EVT_PAINT(wxSTCCallTip::OnPaint)
 165     EVT_SET_FOCUS(wxSTCCallTip::OnFocus)
 166     EVT_LEFT_DOWN(wxSTCCallTip::OnLeftDown)
 167 END_EVENT_TABLE()
 168
 169
 170 //----------------------------------------------------------------------
 171
 172 #if wxUSE_DATAOBJ
 173 static wxTextFileType wxConvertEOLMode(int scintillaMode)
 174 {
 175     wxTextFileType type;
 176
 177     switch (scintillaMode) {
 178         case wxSTC_EOL_CRLF:
 179             type = wxTextFileType_Dos;
 180             break;
 181
 182         case wxSTC_EOL_CR:
 183             type = wxTextFileType_Mac;
 184             break;
 185
 186         case wxSTC_EOL_LF:
 187             type = wxTextFileType_Unix;
 188             break;
 189
 190         default:
 191             type = wxTextBuffer::typeDefault;
 192             break;
 193     }
 194     return type;
 195 }
 196 #endif // wxUSE_DATAOBJ
 197
 198
 199 //----------------------------------------------------------------------
 200 // Constructor/Destructor
 201
 202
 203 ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
 204     capturedMouse = false;
 205     focusEvent = false;
 206     wMain = win;
 207     stc   = win;
 208     wheelRotation = 0;
 209     Initialise();
 210 #ifdef __WXMSW__
 211     sysCaretBitmap = 0;
 212     sysCaretWidth = 0;
 213     sysCaretHeight = 0;
 214 #endif
 215 #if wxUSE_DRAG_AND_DROP
 216     startDragTimer = new wxStartDragTimer(this);
 217 #endif // wxUSE_DRAG_AND_DROP
 218 }
 219
 220
 221 ScintillaWX::~ScintillaWX() {
 222 #if wxUSE_DRAG_AND_DROP
 223     delete startDragTimer;
 224 #endif // wxUSE_DRAG_AND_DROP
 225     Finalise();
 226 }
 227
 228 //----------------------------------------------------------------------
 229 // base class virtuals
 230
 231
 232 void ScintillaWX::Initialise() {
 233     //ScintillaBase::Initialise();
 234 #if wxUSE_DRAG_AND_DROP
 235     dropTarget = new wxSTCDropTarget;
 236     dropTarget->SetScintilla(this);
 237     stc->SetDropTarget(dropTarget);
 238 #endif // wxUSE_DRAG_AND_DROP
 239 #ifdef __WXMAC__
 240     vs.extraFontFlag = false;  // UseAntiAliasing
 241 #else
 242     vs.extraFontFlag = true;   // UseAntiAliasing
 243 #endif
 244 }
 245
 246
 247 void ScintillaWX::Finalise() {
 248     ScintillaBase::Finalise();
 249     SetTicking(false);
 250     SetIdle(false);
 251     DestroySystemCaret();
 252 }
 253
 254
 255 void ScintillaWX::StartDrag() {
 256 #if wxUSE_DRAG_AND_DROP
 257     // We defer the starting of the DnD, otherwise the LeftUp of a normal
 258     // click could be lost and the STC will think it is doing a DnD when the
 259     // user just wanted a normal click.
 260     startDragTimer->Start(200, true);
 261 #endif // wxUSE_DRAG_AND_DROP
 262 }
 263
 264 void ScintillaWX::DoStartDrag() {
 265 #if wxUSE_DRAG_AND_DROP
 266     wxString dragText = stc2wx(drag.s, drag.len);
 267
 268     // Send an event to allow the drag text to be changed
 269     wxStyledTextEvent evt(wxEVT_STC_START_DRAG, stc->GetId());
 270     evt.SetEventObject(stc);
 271     evt.SetDragText(dragText);
 272     evt.SetDragAllowMove(true);
 273     evt.SetPosition(wxMin(stc->GetSelectionStart(),
 274                           stc->GetSelectionEnd()));
 275     stc->GetEventHandler()->ProcessEvent(evt);
 276     dragText = evt.GetDragText();
 277
 278     if (dragText.length()) {
 279         wxDropSource        source(stc);
 280         wxTextDataObject    data(dragText);
 281         wxDragResult        result;
 282
 283         source.SetData(data);
 284         dropWentOutside = true;
 285         result = source.DoDragDrop(evt.GetDragAllowMove());
 286         if (result == wxDragMove && dropWentOutside)
 287             ClearSelection();
 288         inDragDrop = false;
 289         SetDragPosition(invalidPosition);
 290     }
 291 #endif // wxUSE_DRAG_AND_DROP
 292 }
 293
 294
 295 bool ScintillaWX::SetIdle(bool on) {
 296     if (idler.state != on) {
 297         // connect or disconnect the EVT_IDLE handler
 298         if (on)
 299             stc->Connect(wxID_ANY, wxEVT_IDLE,
 300                          (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle);
 301         else
 302             stc->Disconnect(wxID_ANY, wxEVT_IDLE,
 303                             (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle);
 304         idler.state = on;
 305     }
 306     return idler.state;
 307 }
 308
 309
 310 void ScintillaWX::SetTicking(bool on) {
 311     wxSTCTimer* steTimer;
 312     if (timer.ticking != on) {
 313         timer.ticking = on;
 314         if (timer.ticking) {
 315             steTimer = new wxSTCTimer(this);
 316             steTimer->Start(timer.tickSize);
 317             timer.tickerID = steTimer;
 318         } else {
 319             steTimer = (wxSTCTimer*)timer.tickerID;
 320             steTimer->Stop();
 321             delete steTimer;
 322             timer.tickerID = 0;
 323         }
 324     }
 325     timer.ticksToWait = caret.period;
 326 }
 327
 328
 329 void ScintillaWX::SetMouseCapture(bool on) {
 330     if (mouseDownCaptures) {
 331         if (on && !stc->HasCapture())
 332             stc->CaptureMouse();
 333         else if (!on && stc->HasCapture())
 334             stc->ReleaseMouse();
 335         capturedMouse = stc->HasCapture();
 336     }
 337 }
 338
 339
 340 bool ScintillaWX::HaveMouseCapture() {
 341     capturedMouse = stc->HasCapture();
 342     return capturedMouse;
 343 }
 344
 345
 346 void ScintillaWX::ScrollText(int linesToMove) {
 347     int dy = vs.lineHeight * (linesToMove);
 348     stc->ScrollWindow(0, dy);
 349     stc->Update();
 350 }
 351
 352 void ScintillaWX::SetVerticalScrollPos() {
 353     if (stc->m_vScrollBar == NULL) {  // Use built-in scrollbar
 354         stc->SetScrollPos(wxVERTICAL, topLine);
 355     }
 356     else { // otherwise use the one that's been given to us
 357         stc->m_vScrollBar->SetThumbPosition(topLine);
 358     }
 359 }
 360
 361 void ScintillaWX::SetHorizontalScrollPos() {
 362     if (stc->m_hScrollBar == NULL) {  // Use built-in scrollbar
 363         stc->SetScrollPos(wxHORIZONTAL, xOffset);
 364     }
 365     else { // otherwise use the one that's been given to us
 366         stc->m_hScrollBar->SetThumbPosition(xOffset);
 367     }
 368 }
 369
 370
 371 const int H_SCROLL_STEP = 20;
 372
 373 bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
 374     bool modified = false;
 375
 376     int vertEnd = nMax;
 377     if (!verticalScrollBarVisible)
 378         vertEnd = 0;
 379
 380     // Check the vertical scrollbar
 381     if (stc->m_vScrollBar == NULL) {  // Use built-in scrollbar
 382         int  sbMax    = stc->GetScrollRange(wxVERTICAL);
 383         int  sbThumb  = stc->GetScrollThumb(wxVERTICAL);
 384         int  sbPos    = stc->GetScrollPos(wxVERTICAL);
 385         if (sbMax != vertEnd || sbThumb != nPage) {
 386             stc->SetScrollbar(wxVERTICAL, sbPos, nPage, vertEnd+1);
 387             modified = true;
 388         }
 389     }
 390     else { // otherwise use the one that's been given to us
 391         int  sbMax    = stc->m_vScrollBar->GetRange();
 392         int  sbPage   = stc->m_vScrollBar->GetPageSize();
 393         int  sbPos    = stc->m_vScrollBar->GetThumbPosition();
 394         if (sbMax != vertEnd || sbPage != nPage) {
 395             stc->m_vScrollBar->SetScrollbar(sbPos, nPage, vertEnd+1, nPage);
 396             modified = true;
 397         }
 398     }
 399
 400
 401     // Check the horizontal scrollbar
 402     PRectangle rcText = GetTextRectangle();
 403     int horizEnd = scrollWidth;
 404     if (horizEnd < 0)
 405         horizEnd = 0;
 406     if (!horizontalScrollBarVisible || (wrapState != eWrapNone))
 407         horizEnd = 0;
 408     int pageWidth = rcText.Width();
 409
 410     if (stc->m_hScrollBar == NULL) {  // Use built-in scrollbar
 411         int sbMax    = stc->GetScrollRange(wxHORIZONTAL);
 412         int sbThumb  = stc->GetScrollThumb(wxHORIZONTAL);
 413         int sbPos    = stc->GetScrollPos(wxHORIZONTAL);
 414         if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
 415             stc->SetScrollbar(wxHORIZONTAL, sbPos, pageWidth, horizEnd);
 416             modified = true;
 417             if (scrollWidth < pageWidth) {
 418                 HorizontalScrollTo(0);
 419             }
 420         }
 421     }
 422     else { // otherwise use the one that's been given to us
 423         int sbMax    = stc->m_hScrollBar->GetRange();
 424         int sbThumb  = stc->m_hScrollBar->GetPageSize();
 425         int sbPos    = stc->m_hScrollBar->GetThumbPosition();
 426         if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
 427             stc->m_hScrollBar->SetScrollbar(sbPos, pageWidth, horizEnd, pageWidth);
 428             modified = true;
 429             if (scrollWidth < pageWidth) {
 430                 HorizontalScrollTo(0);
 431             }
 432         }
 433     }
 434
 435     return modified;
 436 }
 437
 438
 439 void ScintillaWX::NotifyChange() {
 440     stc->NotifyChange();
 441 }
 442
 443
 444 void ScintillaWX::NotifyParent(SCNotification scn) {
 445     stc->NotifyParent(&scn);
 446 }
 447
 448
 449 // This method is overloaded from ScintillaBase in order to prevent the
 450 // AutoComplete window from being destroyed when it gets the focus.  There is
 451 // a side effect that the AutoComp will also not be destroyed when switching
 452 // to another window, but I think that is okay.
 453 void ScintillaWX::CancelModes() {
 454     if (! focusEvent)
 455         AutoCompleteCancel();
 456     ct.CallTipCancel();
 457     Editor::CancelModes();
 458 }
 459
 460
 461
 462 void ScintillaWX::Copy() {
 463     if (currentPos != anchor) {
 464         SelectionText st;
 465         CopySelectionRange(&st);
 466         CopyToClipboard(st);
 467     }
 468 }
 469
 470
 471 void ScintillaWX::Paste() {
 472     pdoc->BeginUndoAction();
 473     ClearSelection();
 474
 475 #if wxUSE_DATAOBJ
 476     wxTextDataObject data;
 477     bool gotData = false;
 478
 479     if (wxTheClipboard->Open()) {
 480         wxTheClipboard->UsePrimarySelection(false);
 481         gotData = wxTheClipboard->GetData(data);
 482         wxTheClipboard->Close();
 483     }
 484     if (gotData) {
 485         wxString   text = wxTextBuffer::Translate(data.GetText(),
 486                                                   wxConvertEOLMode(pdoc->eolMode));
 487         wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
 488         int        len = strlen(buf);
 489         pdoc->InsertString(currentPos, buf, len);
 490         SetEmptySelection(currentPos + len);
 491     }
 492 #endif // wxUSE_DATAOBJ
 493
 494     pdoc->EndUndoAction();
 495     NotifyChange();
 496     Redraw();
 497 }
 498
 499
 500 void ScintillaWX::CopyToClipboard(const SelectionText& st) {
 501 #if wxUSE_CLIPBOARD
 502     if (wxTheClipboard->Open()) {
 503         wxTheClipboard->UsePrimarySelection(false);
 504         wxString text = wxTextBuffer::Translate(stc2wx(st.s, st.len-1));
 505         wxTheClipboard->SetData(new wxTextDataObject(text));
 506         wxTheClipboard->Close();
 507     }
 508 #else
 509     wxUnusedVar(st);
 510 #endif // wxUSE_CLIPBOARD
 511 }
 512
 513
 514 bool ScintillaWX::CanPaste() {
 515 #if wxUSE_CLIPBOARD
 516     bool canPaste = false;
 517     bool didOpen;
 518
 519     if (Editor::CanPaste()) {
 520         didOpen = !wxTheClipboard->IsOpened();
 521         if ( didOpen )
 522             wxTheClipboard->Open();
 523
 524         if (wxTheClipboard->IsOpened()) {
 525             wxTheClipboard->UsePrimarySelection(false);
 526             canPaste = wxTheClipboard->IsSupported(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT);
 527             if (didOpen)
 528                 wxTheClipboard->Close();
 529         }
 530     }
 531     return canPaste;
 532 #else
 533     return false;
 534 #endif // wxUSE_CLIPBOARD
 535 }
 536
 537 void ScintillaWX::CreateCallTipWindow(PRectangle) {
 538     if (! ct.wCallTip.Created() ) {
 539         ct.wCallTip = new wxSTCCallTip(stc, &ct, this);
 540         ct.wDraw = ct.wCallTip;
 541     }
 542 }
 543
 544
 545 void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
 546     if (!label[0])
 547         ((wxMenu*)popup.GetID())->AppendSeparator();
 548     else
 549         ((wxMenu*)popup.GetID())->Append(cmd, wxGetTranslation(stc2wx(label)));
 550
 551     if (!enabled)
 552         ((wxMenu*)popup.GetID())->Enable(cmd, enabled);
 553 }
 554
 555
 556 // This is called by the Editor base class whenever something is selected
 557 void ScintillaWX::ClaimSelection() {
 558 #if 0
 559     // Until wxGTK is able to support using both the primary selection and the
 560     // clipboard at the same time I think it causes more problems than it is
 561     // worth to implement this method.  Selecting text should not clear the
 562     // clipboard.  --Robin
 563 #ifdef __WXGTK__
 564     // Put the selected text in the PRIMARY selection
 565     if (currentPos != anchor) {
 566         SelectionText st;
 567         CopySelectionRange(&st);
 568         if (wxTheClipboard->Open()) {
 569             wxTheClipboard->UsePrimarySelection(true);
 570             wxString text = stc2wx(st.s, st.len);
 571             wxTheClipboard->SetData(new wxTextDataObject(text));
 572             wxTheClipboard->UsePrimarySelection(false);
 573             wxTheClipboard->Close();
 574         }
 575     }
 576 #endif
 577 #endif
 578 }
 579
 580
 581 void ScintillaWX::UpdateSystemCaret() {
 582 #ifdef __WXMSW__
 583     if (hasFocus) {
 584         if (HasCaretSizeChanged()) {
 585             DestroySystemCaret();
 586             CreateSystemCaret();
 587         }
 588         Point pos = LocationFromPosition(currentPos);
 589         ::SetCaretPos(pos.x, pos.y);
 590     }
 591 #endif
 592 }
 593
 594
 595 bool ScintillaWX::HasCaretSizeChanged() {
 596 #ifdef __WXMSW__
 597     if (( (0 != vs.caretWidth) && (sysCaretWidth != vs.caretWidth) )
 598         || (0 != vs.lineHeight) && (sysCaretHeight != vs.lineHeight)) {
 599         return true;
 600     }
 601 #endif
 602     return false;
 603 }
 604
 605 bool ScintillaWX::CreateSystemCaret() {
 606 #ifdef __WXMSW__
 607     sysCaretWidth = vs.caretWidth;
 608     if (0 == sysCaretWidth) {
 609         sysCaretWidth = 1;
 610     }
 611     sysCaretHeight = vs.lineHeight;
 612     int bitmapSize = (((sysCaretWidth + 15) & ~15) >> 3) * sysCaretHeight;
 613     char *bits = new char[bitmapSize];
 614     memset(bits, 0, bitmapSize);
 615     sysCaretBitmap = ::CreateBitmap(sysCaretWidth, sysCaretHeight, 1,
 616                                     1, reinterpret_cast<BYTE *>(bits));
 617     delete [] bits;
 618     BOOL retval = ::CreateCaret(GetHwndOf(stc), sysCaretBitmap,
 619                                 sysCaretWidth, sysCaretHeight);
 620     ::ShowCaret(GetHwndOf(stc));
 621     return retval != 0;
 622 #else
 623     return false;
 624 #endif
 625 }
 626
 627 bool ScintillaWX::DestroySystemCaret() {
 628 #ifdef __WXMSW__
 629     ::HideCaret(GetHwndOf(stc));
 630     BOOL retval = ::DestroyCaret();
 631     if (sysCaretBitmap) {
 632         ::DeleteObject(sysCaretBitmap);
 633         sysCaretBitmap = 0;
 634     }
 635     return retval != 0;
 636 #else
 637     return false;
 638 #endif
 639 }
 640
 641
 642 //----------------------------------------------------------------------
 643
 644
 645 long ScintillaWX::DefWndProc(unsigned int /*iMessage*/, unsigned long /*wParam*/, long /*lParam*/) {
 646     return 0;
 647 }
 648
 649 long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lParam) {
 650       switch (iMessage) {
 651       case SCI_CALLTIPSHOW: {
 652           // NOTE: This is copied here from scintilla/src/ScintillaBase.cxx
 653           // because of the little tweak that needs done below for wxGTK.
 654           // When updating new versions double check that this is still
 655           // needed, and that any new code there is copied here too.
 656           Point pt = LocationFromPosition(wParam);
 657           char* defn = reinterpret_cast<char *>(lParam);
 658           AutoCompleteCancel();
 659           pt.y += vs.lineHeight;
 660           PRectangle rc = ct.CallTipStart(currentPos, pt,
 661                                           defn,
 662                                           vs.styles[STYLE_DEFAULT].fontName,
 663                                           vs.styles[STYLE_DEFAULT].sizeZoomed,
 664                                           CodePage(),
 665                                           vs.styles[STYLE_DEFAULT].characterSet,
 666                                           wMain);
 667           // If the call-tip window would be out of the client
 668           // space, adjust so it displays above the text.
 669           PRectangle rcClient = GetClientRectangle();
 670           if (rc.bottom > rcClient.bottom) {
 671 #ifdef __WXGTK__
 672               int offset = int(vs.lineHeight * 1.25)  + rc.Height();
 673 #else
 674               int offset = vs.lineHeight + rc.Height();
 675 #endif
 676               rc.top -= offset;
 677               rc.bottom -= offset;
 678           }
 679           // Now display the window.
 680           CreateCallTipWindow(rc);
 681           ct.wCallTip.SetPositionRelative(rc, wMain);
 682           ct.wCallTip.Show();
 683           break;
 684       }
 685
 686 #ifdef SCI_LEXER
 687       case SCI_LOADLEXERLIBRARY:
 688             LexerManager::GetInstance()->Load((const char*)lParam);
 689             break;
 690 #endif
 691
 692       default:
 693           return ScintillaBase::WndProc(iMessage, wParam, lParam);
 694       }
 695       return 0;
 696 }
 697
 698
 699
 700 //----------------------------------------------------------------------
 701 // Event delegates
 702
 703 void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
 704
 705     paintState = painting;
 706     Surface* surfaceWindow = Surface::Allocate();
 707     surfaceWindow->Init(dc, wMain.GetID());
 708     rcPaint = PRectangleFromwxRect(rect);
 709     PRectangle rcClient = GetClientRectangle();
 710     paintingAllText = rcPaint.Contains(rcClient);
 711
 712     ClipChildren(*dc, rcPaint);
 713     Paint(surfaceWindow, rcPaint);
 714
 715     delete surfaceWindow;
 716     if (paintState == paintAbandoned) {
 717         // Painting area was insufficient to cover new styling or brace
 718         // highlight positions
 719         FullPaint();
 720     }
 721     paintState = notPainting;
 722 }
 723
 724
 725 void ScintillaWX::DoHScroll(int type, int pos) {
 726     int xPos = xOffset;
 727     PRectangle rcText = GetTextRectangle();
 728     int pageWidth = rcText.Width() * 2 / 3;
 729     if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP)
 730         xPos -= H_SCROLL_STEP;
 731     else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN)
 732         xPos += H_SCROLL_STEP;
 733     else if (type == wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP)
 734         xPos -= pageWidth;
 735     else if (type == wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN) {
 736         xPos += pageWidth;
 737         if (xPos > scrollWidth - rcText.Width()) {
 738             xPos = scrollWidth - rcText.Width();
 739         }
 740     }
 741     else if (type == wxEVT_SCROLLWIN_TOP || type == wxEVT_SCROLL_TOP)
 742         xPos = 0;
 743     else if (type == wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM)
 744         xPos = scrollWidth;
 745     else if (type == wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK)
 746         xPos = pos;
 747
 748     HorizontalScrollTo(xPos);
 749 }
 750
 751 void ScintillaWX::DoVScroll(int type, int pos) {
 752     int topLineNew = topLine;
 753     if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP)
 754         topLineNew -= 1;
 755     else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN)
 756         topLineNew += 1;
 757     else if (type ==  wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP)
 758         topLineNew -= LinesToScroll();
 759     else if (type ==  wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN)
 760         topLineNew += LinesToScroll();
 761     else if (type ==  wxEVT_SCROLLWIN_TOP || type == wxEVT_SCROLL_TOP)
 762         topLineNew = 0;
 763     else if (type ==  wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM)
 764         topLineNew = MaxScrollPos();
 765     else if (type ==   wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK)
 766         topLineNew = pos;
 767
 768     ScrollTo(topLineNew);
 769 }
 770
 771 void ScintillaWX::DoMouseWheel(int rotation, int delta,
 772                                int linesPerAction, int ctrlDown,
 773                                bool isPageScroll ) {
 774     int topLineNew = topLine;
 775     int lines;
 776
 777     if (ctrlDown) {  // Zoom the fonts if Ctrl key down
 778         if (rotation < 0) {
 779             KeyCommand(SCI_ZOOMIN);
 780         }
 781         else {
 782             KeyCommand(SCI_ZOOMOUT);
 783         }
 784     }
 785     else { // otherwise just scroll the window
 786         if ( !delta )
 787             delta = 120;
 788         wheelRotation += rotation;
 789         lines = wheelRotation / delta;
 790         wheelRotation -= lines * delta;
 791         if (lines != 0) {
 792             if (isPageScroll)
 793                 lines = lines * LinesOnScreen();  // lines is either +1 or -1
 794             else
 795                 lines *= linesPerAction;
 796             topLineNew -= lines;
 797             ScrollTo(topLineNew);
 798         }
 799     }
 800 }
 801
 802
 803 void ScintillaWX::DoSize(int WXUNUSED(width), int WXUNUSED(height)) {
 804     ChangeSize();
 805 }
 806
 807 void ScintillaWX::DoLoseFocus(){
 808     focusEvent = true;
 809     SetFocusState(false);
 810     focusEvent = false;
 811     DestroySystemCaret();
 812 }
 813
 814 void ScintillaWX::DoGainFocus(){
 815     focusEvent = true;
 816     SetFocusState(true);
 817     focusEvent = false;
 818     DestroySystemCaret();
 819     CreateSystemCaret();
 820 }
 821
 822 void ScintillaWX::DoSysColourChange() {
 823     InvalidateStyleData();
 824 }
 825
 826 void ScintillaWX::DoLeftButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt) {
 827     ButtonDown(pt, curTime, shift, ctrl, alt);
 828 }
 829
 830 void ScintillaWX::DoLeftButtonUp(Point pt, unsigned int curTime, bool ctrl) {
 831     ButtonUp(pt, curTime, ctrl);
 832 #if wxUSE_DRAG_AND_DROP
 833     if (startDragTimer->IsRunning()) {
 834         startDragTimer->Stop();
 835         SetDragPosition(invalidPosition);
 836         SetEmptySelection(PositionFromLocation(pt));
 837         ShowCaretAtCurrentPosition();
 838     }
 839 #endif // wxUSE_DRAG_AND_DROP
 840 }
 841
 842 void ScintillaWX::DoLeftButtonMove(Point pt) {
 843     ButtonMove(pt);
 844 }
 845
 846 #ifdef __WXGTK__
 847 void ScintillaWX::DoMiddleButtonUp(Point pt) {
 848     // Set the current position to the mouse click point and
 849     // then paste in the PRIMARY selection, if any.  wxGTK only.
 850     int newPos = PositionFromLocation(pt);
 851     MovePositionTo(newPos, noSel, true);
 852
 853     pdoc->BeginUndoAction();
 854     wxTextDataObject data;
 855     bool gotData = false;
 856     if (wxTheClipboard->Open()) {
 857         wxTheClipboard->UsePrimarySelection(true);
 858         gotData = wxTheClipboard->GetData(data);
 859         wxTheClipboard->UsePrimarySelection(false);
 860         wxTheClipboard->Close();
 861     }
 862     if (gotData) {
 863         wxString   text = wxTextBuffer::Translate(data.GetText(),
 864                                                   wxConvertEOLMode(pdoc->eolMode));
 865         wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
 866         int        len = strlen(buf);
 867         pdoc->InsertString(currentPos, buf, len);
 868         SetEmptySelection(currentPos + len);
 869     }
 870     pdoc->EndUndoAction();
 871     NotifyChange();
 872     Redraw();
 873
 874     ShowCaretAtCurrentPosition();
 875     EnsureCaretVisible();
 876 }
 877 #else
 878 void ScintillaWX::DoMiddleButtonUp(Point WXUNUSED(pt)) {
 879 }
 880 #endif
 881
 882
 883 void ScintillaWX::DoAddChar(int key) {
 884 #if wxUSE_UNICODE
 885     wxChar wszChars[2];
 886     wszChars[0] = (wxChar)key;
 887     wszChars[1] = 0;
 888     wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(wszChars);
 889     AddCharUTF((char*)buf.data(), strlen(buf));
 890 #else
 891     AddChar((char)key);
 892 #endif
 893 }
 894
 895
 896 int  ScintillaWX::DoKeyDown(const wxKeyEvent& evt, bool* consumed)
 897 {
 898     int key = evt.GetKeyCode();
 899     bool shift = evt.ShiftDown(),
 900          ctrl  = evt.ControlDown(),
 901          alt   = evt.AltDown();
 902
 903     if (ctrl && key >= 1 && key <= 26 && key != WXK_BACK)
 904         key += 'A' - 1;
 905
 906     switch (key) {
 907     case WXK_DOWN:              key = SCK_DOWN;     break;
 908     case WXK_UP:                key = SCK_UP;       break;
 909     case WXK_LEFT:              key = SCK_LEFT;     break;
 910     case WXK_RIGHT:             key = SCK_RIGHT;    break;
 911     case WXK_HOME:              key = SCK_HOME;     break;
 912     case WXK_END:               key = SCK_END;      break;
 913     case WXK_PAGEUP:            key = SCK_PRIOR;    break;
 914     case WXK_PAGEDOWN:          key = SCK_NEXT;     break;
 915     case WXK_NUMPAD_PAGEUP:     key = SCK_PRIOR;    break;
 916     case WXK_NUMPAD_PAGEDOWN:   key = SCK_NEXT;     break;
 917     case WXK_DELETE:            key = SCK_DELETE;   break;
 918     case WXK_INSERT:            key = SCK_INSERT;   break;
 919     case WXK_ESCAPE:            key = SCK_ESCAPE;   break;
 920     case WXK_BACK:              key = SCK_BACK;     break;
 921     case WXK_TAB:               key = SCK_TAB;      break;
 922     case WXK_NUMPAD_ENTER:      // fall through
 923     case WXK_RETURN:            key = SCK_RETURN;   break;
 924     case WXK_ADD:               // fall through
 925     case WXK_NUMPAD_ADD:        key = SCK_ADD;      break;
 926     case WXK_SUBTRACT:          // fall through
 927     case WXK_NUMPAD_SUBTRACT:   key = SCK_SUBTRACT; break;
 928     case WXK_DIVIDE:            // fall through
 929     case WXK_NUMPAD_DIVIDE:     key = SCK_DIVIDE;   break;
 930     case WXK_CONTROL:           key = 0; break;
 931     case WXK_ALT:               key = 0; break;
 932     case WXK_SHIFT:             key = 0; break;
 933     case WXK_MENU:              key = 0; break;
 934     }
 935
 936 #ifdef __WXMAC__
 937     if ( evt.MetaDown() ) {
 938         // check for a few common Mac Meta-key combos and remap them to Ctrl
 939         // for Scintilla
 940         switch ( key ) {
 941         case 'Z':       // Undo
 942         case 'X':       // Cut
 943         case 'C':       // Copy
 944         case 'V':       // Paste
 945         case 'A':       // Select All
 946             ctrl = true;
 947             break;
 948         }
 949     }
 950 #endif
 951
 952     int rv = KeyDown(key, shift, ctrl, alt, consumed);
 953
 954     if (key)
 955         return rv;
 956     else
 957         return 1;
 958 }
 959
 960
 961 void ScintillaWX::DoCommand(int ID) {
 962     Command(ID);
 963 }
 964
 965
 966 void ScintillaWX::DoContextMenu(Point pt) {
 967     if (displayPopupMenu)
 968         ContextMenu(pt);
 969 }
 970
 971 void ScintillaWX::DoOnListBox() {
 972     AutoCompleteCompleted();
 973 }
 974
 975
 976 void ScintillaWX::DoOnIdle(wxIdleEvent& evt) {
 977
 978     if ( Idle() )
 979         evt.RequestMore();
 980     else
 981         SetIdle(false);
 982 }
 983
 984 //----------------------------------------------------------------------
 985
 986 #if wxUSE_DRAG_AND_DROP
 987 bool ScintillaWX::DoDropText(long x, long y, const wxString& data) {
 988     SetDragPosition(invalidPosition);
 989
 990     wxString text = wxTextBuffer::Translate(data,
 991                                             wxConvertEOLMode(pdoc->eolMode));
 992
 993     // Send an event to allow the drag details to be changed
 994     wxStyledTextEvent evt(wxEVT_STC_DO_DROP, stc->GetId());
 995     evt.SetEventObject(stc);
 996     evt.SetDragResult(dragResult);
 997     evt.SetX(x);
 998     evt.SetY(y);
 999     evt.SetPosition(PositionFromLocation(Point(x,y)));
1000     evt.SetDragText(text);
1001     stc->GetEventHandler()->ProcessEvent(evt);
1002
1003     dragResult = evt.GetDragResult();
1004     if (dragResult == wxDragMove || dragResult == wxDragCopy) {
1005         DropAt(evt.GetPosition(),
1006                wx2stc(evt.GetDragText()),
1007                dragResult == wxDragMove,
1008                false); // TODO: rectangular?
1009         return true;
1010     }
1011     return false;
1012 }
1013
1014
1015 wxDragResult ScintillaWX::DoDragEnter(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxDragResult def) {
1016     dragResult = def;
1017     return dragResult;
1018 }
1019
1020
1021 wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) {
1022     SetDragPosition(PositionFromLocation(Point(x, y)));
1023
1024     // Send an event to allow the drag result to be changed
1025     wxStyledTextEvent evt(wxEVT_STC_DRAG_OVER, stc->GetId());
1026     evt.SetEventObject(stc);
1027     evt.SetDragResult(def);
1028     evt.SetX(x);
1029     evt.SetY(y);
1030     evt.SetPosition(PositionFromLocation(Point(x,y)));
1031     stc->GetEventHandler()->ProcessEvent(evt);
1032
1033     dragResult = evt.GetDragResult();
1034     return dragResult;
1035 }
1036
1037
1038 void ScintillaWX::DoDragLeave() {
1039     SetDragPosition(invalidPosition);
1040 }
1041 #endif // wxUSE_DRAG_AND_DROP
1042 //----------------------------------------------------------------------
1043
1044 // Force the whole window to be repainted
1045 void ScintillaWX::FullPaint() {
1046 #ifndef __WXMAC__
1047     stc->Refresh(false);
1048 #endif
1049     stc->Update();
1050 }
1051
1052
1053 void ScintillaWX::DoScrollToLine(int line) {
1054     ScrollTo(line);
1055 }
1056
1057
1058 void ScintillaWX::DoScrollToColumn(int column) {
1059     HorizontalScrollTo(column * vs.spaceWidth);
1060 }
1061
1062 // wxGTK doesn't appear to need this explicit clipping code any longer, but I
1063 // will leave it here commented out for a while just in case...
1064 void ScintillaWX::ClipChildren(wxDC& WXUNUSED(dc), PRectangle WXUNUSED(rect))
1065 {
1066 //     wxRegion rgn(wxRectFromPRectangle(rect));
1067 //     if (ac.Active()) {
1068 //         wxRect childRect = ((wxWindow*)ac.lb->GetID())->GetRect();
1069 //         rgn.Subtract(childRect);
1070 //     }
1071 //     if (ct.inCallTipMode) {
1072 //         wxSTCCallTip* tip = (wxSTCCallTip*)ct.wCallTip.GetID();
1073 //         wxRect childRect = tip->GetRect();
1074 // #if wxUSE_POPUPWIN && wxSTC_USE_POPUP
1075 //         childRect.SetPosition(tip->GetMyPosition());
1076 // #endif
1077 //         rgn.Subtract(childRect);
1078 //     }
1079 //     dc.SetClippingRegion(rgn);
1080 }
1081
1082
1083 void ScintillaWX::SetUseAntiAliasing(bool useAA) {
1084     vs.extraFontFlag = useAA;
1085     InvalidateStyleRedraw();
1086 }
1087
1088 bool ScintillaWX::GetUseAntiAliasing() {
1089     return vs.extraFontFlag;
1090 }
1091
1092 //----------------------------------------------------------------------
1093 //----------------------------------------------------------------------