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