]> git.saurik.com Git - wxWidgets.git/blobdiff - src/stc/ScintillaWX.cpp
Update of OpenVMS compile support
[wxWidgets.git] / src / stc / ScintillaWX.cpp
index 2cc5c6d876175d8511d4425c420d2af087f7cc19..153329c1240b7bf2ece85f69a4cbbd1936427164 100644 (file)
@@ -1,6 +1,6 @@
 ////////////////////////////////////////////////////////////////////////////
-// Name:        ScintillaWX.cxx
-// Purpose:     A wxWindows implementation of Scintilla.  A class derived
+// Name:        src/stc/ScintillaWX.cpp
+// Purpose:     A wxWidgets implementation of Scintilla.  A class derived
 //              from ScintillaBase that uses the "wx platform" defined in
 //              PlatformWX.cxx  This class is one end of a bridge between
 //              the wx world and the Scintilla world.  It needs a peer
 // Created:     13-Jan-2000
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 by Total Control Software
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_STC
+
+#ifndef WX_PRECOMP
+    #include "wx/scrolbar.h"
+    #include "wx/menu.h"
+    #include "wx/timer.h"
+#endif // WX_PRECOMP
+
+#include "wx/textbuf.h"
+#include "wx/dataobj.h"
+#include "wx/clipbrd.h"
+#include "wx/dnd.h"
+
+#if !wxUSE_STD_CONTAINERS && !wxUSE_STD_IOSTREAM && !wxUSE_STD_STRING
+    #include "wx/beforestd.h"
+    #include <string>
+    #include "wx/afterstd.h"
+#endif
 
 #include "ScintillaWX.h"
+#include "ExternalLexer.h"
 #include "wx/stc/stc.h"
+#include "wx/stc/private.h"
 #include "PlatWX.h"
 
-
-//----------------------------------------------------------------------
-
-const int H_SCROLL_MAX  = 4000;
-const int H_SCROLL_STEP = 20;
-const int H_SCROLL_PAGE = 200;
+#ifdef __WXMSW__
+    // GetHwndOf()
+    #include "wx/msw/private.h"
+#endif
 
 //----------------------------------------------------------------------
 // Helper classes
@@ -32,123 +57,205 @@ const int H_SCROLL_PAGE = 200;
 class wxSTCTimer : public wxTimer {
 public:
     wxSTCTimer(ScintillaWX* swx) {
-        this->swx = swx;
+        m_swx = swx;
     }
 
     void Notify() {
-        swx->DoTick();
+        m_swx->DoTick();
     }
 
 private:
-    ScintillaWX* swx;
+    ScintillaWX* m_swx;
 };
 
 
 #if wxUSE_DRAG_AND_DROP
 bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) {
-    return swx->DoDropText(x, y, data);
+    return m_swx->DoDropText(x, y, data);
 }
 
 wxDragResult  wxSTCDropTarget::OnEnter(wxCoord x, wxCoord y, wxDragResult def) {
-    return swx->DoDragEnter(x, y, def);
+    return m_swx->DoDragEnter(x, y, def);
 }
 
 wxDragResult  wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def) {
-    return swx->DoDragOver(x, y, def);
+    return m_swx->DoDragOver(x, y, def);
 }
 
 void  wxSTCDropTarget::OnLeave() {
-    swx->DoDragLeave();
+    m_swx->DoDragLeave();
 }
-#endif
+#endif // wxUSE_DRAG_AND_DROP
 
 
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
-#include <wx/popupwin.h>
+#if wxUSE_POPUPWIN
+#include "wx/popupwin.h"
 #define wxSTCCallTipBase wxPopupWindow
-#define param2  wxBORDER_NONE  // popup's 2nd param is flags
 #else
-#define wxSTCCallTipBase wxWindow
-#define param2 -1 // wxWindows 2nd param is ID
+#include "wx/frame.h"
+#define wxSTCCallTipBase wxFrame
 #endif
 
+#include "wx/dcbuffer.h"
+
 class wxSTCCallTip : public wxSTCCallTipBase {
 public:
-    wxSTCCallTip(wxWindow* parent, CallTip* ct)
-        : wxSTCCallTipBase(parent, param2)
+    wxSTCCallTip(wxWindow* parent, CallTip* ct, ScintillaWX* swx) :
+#if wxUSE_POPUPWIN
+        wxSTCCallTipBase(parent, wxBORDER_NONE),
+#else
+        wxSTCCallTipBase(parent, -1, wxEmptyString, wxDefaultPosition, wxDefaultSize,
+                         wxFRAME_NO_TASKBAR
+                         | wxFRAME_FLOAT_ON_PARENT
+                         | wxBORDER_NONE
+#ifdef __WXMAC__
+                         | wxPOPUP_WINDOW
+#endif
+            ),
+#endif
+          m_ct(ct), m_swx(swx), m_cx(wxDefaultCoord), m_cy(wxDefaultCoord)
         {
-            m_ct = ct;
+            SetBackgroundStyle(wxBG_STYLE_CUSTOM);
         }
 
-    void OnPaint(wxPaintEvent& evt) {
-        wxPaintDC dc(this);
-        Surface* surfaceWindow = Surface::Allocate();
-        surfaceWindow->Init(&dc);
+    ~wxSTCCallTip() {
+#if wxUSE_POPUPWIN && defined(__WXGTK__)
+        wxRect rect = GetRect();
+        rect.x = m_cx;
+        rect.y = m_cy;
+        GetParent()->Refresh(false, &rect);
+#endif
+    }
+
+    bool AcceptsFocus() const { return false; }
+
+    void OnPaint(wxPaintEvent& WXUNUSED(evt))
+    {
+        wxAutoBufferedPaintDC dc(this);
+        Surface* surfaceWindow = Surface::Allocate(0);
+        surfaceWindow->Init(&dc, m_ct->wDraw.GetID());
         m_ct->PaintCT(surfaceWindow);
+        surfaceWindow->Release();
         delete surfaceWindow;
     }
 
-    void OnFocus(wxFocusEvent& event) {
+    void OnFocus(wxFocusEvent& event)
+    {
         GetParent()->SetFocus();
         event.Skip();
     }
 
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
+    void OnLeftDown(wxMouseEvent& event)
+    {
+        wxPoint pt = event.GetPosition();
+        Point p(pt.x, pt.y);
+        m_ct->MouseClick(p);
+        m_swx->CallTipClick();
+    }
+
     virtual void DoSetSize(int x, int y,
                            int width, int height,
-                           int sizeFlags = wxSIZE_AUTO) {
-        if (x != -1)
+                           int sizeFlags = wxSIZE_AUTO)
+    {
+        // convert coords to screen coords since we're a top-level window
+        if (x != wxDefaultCoord) {
+            m_cx = x;
             GetParent()->ClientToScreen(&x, NULL);
-        if (y != -1)
+        }
+        if (y != wxDefaultCoord) {
+            m_cy = y;
             GetParent()->ClientToScreen(NULL, &y);
+        }
         wxSTCCallTipBase::DoSetSize(x, y, width, height, sizeFlags);
     }
 
-    virtual bool Show( bool show = TRUE ) {
-        bool retval = wxSTCCallTipBase::Show(show);
-        if (show) {
-            CaptureMouse();
-        }
-        else {
-            ReleaseMouse();
+#if wxUSE_POPUPWIN
+#else
+    virtual bool Show( bool show = true )
+    {
+        // Although we're a frame, we always want the parent to be active, so
+        // raise it whenever we get shown.
+        bool rv = wxSTCCallTipBase::Show(show);
+        if (rv && show)
+        {
+            wxTopLevelWindow *frame = wxDynamicCast(
+                wxGetTopLevelParent(GetParent()), wxTopLevelWindow);
+            if (frame)
+                frame->Raise();
         }
-        return retval;
+        return rv;
     }
+#endif
 
-    void OnLeftDown(wxMouseEvent& ) {
-        Show(FALSE);
+    wxPoint GetMyPosition()
+    {
+        return wxPoint(m_cx, m_cy);
     }
-#endif
 
 private:
-    CallTip*    m_ct;
+    CallTip*      m_ct;
+    ScintillaWX*  m_swx;
+    int           m_cx, m_cy;
     DECLARE_EVENT_TABLE()
 };
 
 BEGIN_EVENT_TABLE(wxSTCCallTip, wxSTCCallTipBase)
     EVT_PAINT(wxSTCCallTip::OnPaint)
     EVT_SET_FOCUS(wxSTCCallTip::OnFocus)
-#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
     EVT_LEFT_DOWN(wxSTCCallTip::OnLeftDown)
-#endif
 END_EVENT_TABLE()
 
 
+//----------------------------------------------------------------------
+
+#if wxUSE_DATAOBJ
+static wxTextFileType wxConvertEOLMode(int scintillaMode)
+{
+    wxTextFileType type;
+
+    switch (scintillaMode) {
+        case wxSTC_EOL_CRLF:
+            type = wxTextFileType_Dos;
+            break;
+
+        case wxSTC_EOL_CR:
+            type = wxTextFileType_Mac;
+            break;
+
+        case wxSTC_EOL_LF:
+            type = wxTextFileType_Unix;
+            break;
+
+        default:
+            type = wxTextBuffer::typeDefault;
+            break;
+    }
+    return type;
+}
+#endif // wxUSE_DATAOBJ
+
+
 //----------------------------------------------------------------------
 // Constructor/Destructor
 
 
 ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
     capturedMouse = false;
+    focusEvent = false;
     wMain = win;
     stc   = win;
     wheelRotation = 0;
     Initialise();
+#ifdef __WXMSW__
+    sysCaretBitmap = 0;
+    sysCaretWidth = 0;
+    sysCaretHeight = 0;
+#endif
 }
 
 
 ScintillaWX::~ScintillaWX() {
-    SetTicking(false);
+    Finalise();
 }
 
 //----------------------------------------------------------------------
@@ -161,12 +268,16 @@ void ScintillaWX::Initialise() {
     dropTarget = new wxSTCDropTarget;
     dropTarget->SetScintilla(this);
     stc->SetDropTarget(dropTarget);
-#endif
+#endif // wxUSE_DRAG_AND_DROP
+    vs.extraFontFlag = true;   // UseAntiAliasing
 }
 
 
 void ScintillaWX::Finalise() {
     ScintillaBase::Finalise();
+    SetTicking(false);
+    SetIdle(false);
+    DestroySystemCaret();
 }
 
 
@@ -178,26 +289,40 @@ void ScintillaWX::StartDrag() {
     wxStyledTextEvent evt(wxEVT_STC_START_DRAG, stc->GetId());
     evt.SetEventObject(stc);
     evt.SetDragText(dragText);
-    evt.SetDragAllowMove(TRUE);
+    evt.SetDragFlags(wxDrag_DefaultMove);
     evt.SetPosition(wxMin(stc->GetSelectionStart(),
                           stc->GetSelectionEnd()));
     stc->GetEventHandler()->ProcessEvent(evt);
     dragText = evt.GetDragText();
 
-    if (dragText.Length()) {
+    if ( !dragText.empty() ) {
         wxDropSource        source(stc);
         wxTextDataObject    data(dragText);
         wxDragResult        result;
 
         source.SetData(data);
-        dropWentOutside = TRUE;
-        result = source.DoDragDrop(evt.GetDragAllowMove());
+        dropWentOutside = true;
+        inDragDrop = ddDragging;
+        result = source.DoDragDrop(evt.GetDragFlags());
         if (result == wxDragMove && dropWentOutside)
             ClearSelection();
-        inDragDrop = FALSE;
-        SetDragPosition(invalidPosition);
+        inDragDrop = ddNone;
+        SetDragPosition(SelectionPosition(invalidPosition));
     }
-#endif
+#endif // wxUSE_DRAG_AND_DROP
+}
+
+
+bool ScintillaWX::SetIdle(bool on) {
+    if (idler.state != on) {
+        // connect or disconnect the EVT_IDLE handler
+        if (on)
+            stc->Connect(wxID_ANY, wxEVT_IDLE, wxIdleEventHandler(wxStyledTextCtrl::OnIdle));
+        else
+            stc->Disconnect(wxID_ANY, wxEVT_IDLE, wxIdleEventHandler(wxStyledTextCtrl::OnIdle));
+        idler.state = on;
+    }
+    return idler.state;
 }
 
 
@@ -221,11 +346,13 @@ void ScintillaWX::SetTicking(bool on) {
 
 
 void ScintillaWX::SetMouseCapture(bool on) {
-    if (on && !capturedMouse)
-        stc->CaptureMouse();
-    else if (!on && capturedMouse)
-        stc->ReleaseMouse();
-    capturedMouse = on;
+    if (mouseDownCaptures) {
+        if (on && !capturedMouse)
+            stc->CaptureMouse();
+        else if (!on && capturedMouse && stc->HasCapture())
+            stc->ReleaseMouse();
+        capturedMouse = on;
+    }
 }
 
 
@@ -237,7 +364,6 @@ bool ScintillaWX::HaveMouseCapture() {
 void ScintillaWX::ScrollText(int linesToMove) {
     int dy = vs.lineHeight * (linesToMove);
     stc->ScrollWindow(0, dy);
-    stc->Update();
 }
 
 void ScintillaWX::SetVerticalScrollPos() {
@@ -259,15 +385,22 @@ void ScintillaWX::SetHorizontalScrollPos() {
 }
 
 
+const int H_SCROLL_STEP = 20;
+
 bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
     bool modified = false;
 
+    int vertEnd = nMax;
+    if (!verticalScrollBarVisible)
+        vertEnd = 0;
+
+    // Check the vertical scrollbar
     if (stc->m_vScrollBar == NULL) {  // Use built-in scrollbar
         int  sbMax    = stc->GetScrollRange(wxVERTICAL);
         int  sbThumb  = stc->GetScrollThumb(wxVERTICAL);
         int  sbPos    = stc->GetScrollPos(wxVERTICAL);
-        if (sbMax != nMax || sbThumb != nPage) {
-            stc->SetScrollbar(wxVERTICAL, sbPos, nPage, nMax);
+        if (sbMax != vertEnd || sbThumb != nPage) {
+            stc->SetScrollbar(wxVERTICAL, sbPos, nPage, vertEnd+1);
             modified = true;
         }
     }
@@ -275,31 +408,47 @@ bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
         int  sbMax    = stc->m_vScrollBar->GetRange();
         int  sbPage   = stc->m_vScrollBar->GetPageSize();
         int  sbPos    = stc->m_vScrollBar->GetThumbPosition();
-        if (sbMax != nMax || sbPage != nPage) {
-            stc->m_vScrollBar->SetScrollbar(sbPos, nPage, nMax, nPage);
+        if (sbMax != vertEnd || sbPage != nPage) {
+            stc->m_vScrollBar->SetScrollbar(sbPos, nPage, vertEnd+1, nPage);
             modified = true;
         }
     }
 
 
-    if (horizontalScrollBarVisible) {
-        if (stc->m_hScrollBar == NULL) {  // Use built-in scrollbar
-            int sbMax    = stc->GetScrollRange(wxHORIZONTAL);
-            int sbThumb  = stc->GetScrollThumb(wxHORIZONTAL);
-            if ((sbMax != H_SCROLL_MAX) || (sbThumb != H_SCROLL_STEP)) {
-                stc->SetScrollbar(wxHORIZONTAL, 0, H_SCROLL_STEP, H_SCROLL_MAX);
-                modified = true;
+    // Check the horizontal scrollbar
+    PRectangle rcText = GetTextRectangle();
+    int horizEnd = scrollWidth;
+    if (horizEnd < 0)
+        horizEnd = 0;
+    if (!horizontalScrollBarVisible || (wrapState != eWrapNone))
+        horizEnd = 0;
+    int pageWidth = rcText.Width();
+
+    if (stc->m_hScrollBar == NULL) {  // Use built-in scrollbar
+        int sbMax    = stc->GetScrollRange(wxHORIZONTAL);
+        int sbThumb  = stc->GetScrollThumb(wxHORIZONTAL);
+        int sbPos    = stc->GetScrollPos(wxHORIZONTAL);
+        if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
+            stc->SetScrollbar(wxHORIZONTAL, sbPos, pageWidth, horizEnd);
+            modified = true;
+            if (scrollWidth < pageWidth) {
+                HorizontalScrollTo(0);
             }
         }
-        else { // otherwise use the one that's been given to us
-            int  sbMax    = stc->m_hScrollBar->GetRange();
-            int  sbPage   = stc->m_hScrollBar->GetPageSize();
-            if ((sbMax != H_SCROLL_MAX) || (sbPage != H_SCROLL_STEP)) {
-                stc->m_hScrollBar->SetScrollbar(0, H_SCROLL_STEP, H_SCROLL_MAX, H_SCROLL_STEP);
-                modified = true;
+    }
+    else { // otherwise use the one that's been given to us
+        int sbMax    = stc->m_hScrollBar->GetRange();
+        int sbThumb  = stc->m_hScrollBar->GetPageSize();
+        int sbPos    = stc->m_hScrollBar->GetThumbPosition();
+        if ((sbMax != horizEnd) || (sbThumb != pageWidth) || (sbPos != 0)) {
+            stc->m_hScrollBar->SetScrollbar(sbPos, pageWidth, horizEnd, pageWidth);
+            modified = true;
+            if (scrollWidth < pageWidth) {
+                HorizontalScrollTo(0);
             }
         }
     }
+
     return modified;
 }
 
@@ -314,16 +463,24 @@ void ScintillaWX::NotifyParent(SCNotification scn) {
 }
 
 
+// This method is overloaded from ScintillaBase in order to prevent the
+// AutoComplete window from being destroyed when it gets the focus.  There is
+// a side effect that the AutoComp will also not be destroyed when switching
+// to another window, but I think that is okay.
+void ScintillaWX::CancelModes() {
+    if (! focusEvent)
+        AutoCompleteCancel();
+    ct.CallTipCancel();
+    Editor::CancelModes();
+}
+
+
 
 void ScintillaWX::Copy() {
-    if (currentPos != anchor) {
+    if (!sel.Empty()) {
         SelectionText st;
         CopySelectionRange(&st);
-        wxTheClipboard->Open();
-        wxTheClipboard->UsePrimarySelection();
-        wxString text = stc2wx(st.s, st.len);
-        wxTheClipboard->SetData(new wxTextDataObject(text));
-        wxTheClipboard->Close();
+        CopyToClipboard(st);
     }
 }
 
@@ -332,19 +489,31 @@ void ScintillaWX::Paste() {
     pdoc->BeginUndoAction();
     ClearSelection();
 
+#if wxUSE_DATAOBJ
     wxTextDataObject data;
-    bool gotData;
+    bool gotData = false;
 
-    wxTheClipboard->Open();
-    wxTheClipboard->UsePrimarySelection();
-    gotData = wxTheClipboard->GetData(data);
-    wxTheClipboard->Close();
+    wxTheClipboard->UsePrimarySelection(false);
+    if (wxTheClipboard->Open()) {
+        gotData = wxTheClipboard->GetData(data);
+        wxTheClipboard->Close();
+    }
     if (gotData) {
-        wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(data.GetText());
-        int        len = strlen(buf);
-        pdoc->InsertString(currentPos, buf, len);
-        SetEmptySelection(currentPos + len);
+        wxString   text = wxTextBuffer::Translate(data.GetText(),
+                                                  wxConvertEOLMode(pdoc->eolMode));
+        wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
+
+#if wxUSE_UNICODE
+        // free up the old character buffer in case the text is real big
+        data.SetText(wxEmptyString);
+        text = wxEmptyString;
+#endif
+        int len = strlen(buf);
+        int caretMain = sel.MainCaret();
+        pdoc->InsertString(caretMain, buf, len);
+        SetEmptySelection(caretMain + len);
     }
+#endif // wxUSE_DATAOBJ
 
     pdoc->EndUndoAction();
     NotifyChange();
@@ -352,20 +521,51 @@ void ScintillaWX::Paste() {
 }
 
 
-bool ScintillaWX::CanPaste() {
-    bool canPaste;
+void ScintillaWX::CopyToClipboard(const SelectionText& st) {
+#if wxUSE_CLIPBOARD
+    if ( !st.len )
+        return;
+
+    wxTheClipboard->UsePrimarySelection(false);
+    if (wxTheClipboard->Open()) {
+        wxString text = wxTextBuffer::Translate(stc2wx(st.s, st.len-1));
+        wxTheClipboard->SetData(new wxTextDataObject(text));
+        wxTheClipboard->Close();
+    }
+#else
+    wxUnusedVar(st);
+#endif // wxUSE_CLIPBOARD
+}
 
-    wxTheClipboard->Open();
-    wxTheClipboard->UsePrimarySelection();
-    canPaste = wxTheClipboard->IsSupported(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT);
-    wxTheClipboard->Close();
 
+bool ScintillaWX::CanPaste() {
+#if wxUSE_CLIPBOARD
+    bool canPaste = false;
+    bool didOpen;
+
+    if (Editor::CanPaste()) {
+        wxTheClipboard->UsePrimarySelection(false);
+        didOpen = !wxTheClipboard->IsOpened();
+        if ( didOpen )
+            wxTheClipboard->Open();
+
+        if (wxTheClipboard->IsOpened()) {
+            canPaste = wxTheClipboard->IsSupported(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT);
+            if (didOpen)
+                wxTheClipboard->Close();
+        }
+    }
     return canPaste;
+#else
+    return false;
+#endif // wxUSE_CLIPBOARD
 }
 
 void ScintillaWX::CreateCallTipWindow(PRectangle) {
-    ct.wCallTip = new wxSTCCallTip(stc, &ct);
-    ct.wDraw = ct.wCallTip;
+    if (! ct.wCallTip.Created() ) {
+        ct.wCallTip = new wxSTCCallTip(stc, &ct, this);
+        ct.wDraw = ct.wCallTip;
+    }
 }
 
 
@@ -373,30 +573,158 @@ void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
     if (!label[0])
         ((wxMenu*)popup.GetID())->AppendSeparator();
     else
-        ((wxMenu*)popup.GetID())->Append(cmd, stc2wx(label));
+        ((wxMenu*)popup.GetID())->Append(cmd, wxGetTranslation(stc2wx(label)));
 
     if (!enabled)
         ((wxMenu*)popup.GetID())->Enable(cmd, enabled);
 }
 
 
+// This is called by the Editor base class whenever something is selected.
+// For wxGTK we can put this text in the primary selection and then other apps
+// can paste with the middle button.
 void ScintillaWX::ClaimSelection() {
+#ifdef __WXGTK__
+    // Put the selected text in the PRIMARY selection
+    if (!sel.Empty()) {
+        SelectionText st;
+        CopySelectionRange(&st);
+        wxTheClipboard->UsePrimarySelection(true);
+        if (wxTheClipboard->Open()) {
+            wxString text = stc2wx(st.s, st.len);
+            wxTheClipboard->SetData(new wxTextDataObject(text));
+            wxTheClipboard->Close();
+        }
+        wxTheClipboard->UsePrimarySelection(false);
+    }
+#endif
+}
+
+
+void ScintillaWX::UpdateSystemCaret() {
+#ifdef __WXMSW__
+    if (hasFocus) {
+        if (HasCaretSizeChanged()) {
+            DestroySystemCaret();
+            CreateSystemCaret();
+        }
+        Point pos = PointMainCaret();
+        ::SetCaretPos(pos.x, pos.y);
+    }
+#endif
+}
+
+
+bool ScintillaWX::HasCaretSizeChanged() {
+#ifdef __WXMSW__
+    if ( (vs.caretWidth && (sysCaretWidth != vs.caretWidth))
+        || (vs.lineHeight && (sysCaretHeight != vs.lineHeight)) ) {
+        return true;
+    }
+#endif
+    return false;
+}
 
+bool ScintillaWX::CreateSystemCaret() {
+#ifdef __WXMSW__
+    sysCaretWidth = vs.caretWidth;
+    if (0 == sysCaretWidth) {
+        sysCaretWidth = 1;
+    }
+    sysCaretHeight = vs.lineHeight;
+    int bitmapSize = (((sysCaretWidth + 15) & ~15) >> 3) * sysCaretHeight;
+    char *bits = new char[bitmapSize];
+    memset(bits, 0, bitmapSize);
+    sysCaretBitmap = ::CreateBitmap(sysCaretWidth, sysCaretHeight, 1,
+                                    1, reinterpret_cast<BYTE *>(bits));
+    delete [] bits;
+    BOOL retval = ::CreateCaret(GetHwndOf(stc), sysCaretBitmap,
+                                sysCaretWidth, sysCaretHeight);
+    ::ShowCaret(GetHwndOf(stc));
+    return retval != 0;
+#else
+    return false;
+#endif
+}
+
+bool ScintillaWX::DestroySystemCaret() {
+#ifdef __WXMSW__
+    ::HideCaret(GetHwndOf(stc));
+    BOOL retval = ::DestroyCaret();
+    if (sysCaretBitmap) {
+        ::DeleteObject(sysCaretBitmap);
+        sysCaretBitmap = 0;
+    }
+    return retval != 0;
+#else
+    return false;
+#endif
 }
 
 
-long ScintillaWX::DefWndProc(unsigned int /*iMessage*/, unsigned long /*wParam*/, long /*lParam*/) {
+//----------------------------------------------------------------------
+
+
+sptr_t ScintillaWX::DefWndProc(unsigned int /*iMessage*/, uptr_t /*wParam*/, sptr_t /*lParam*/) {
     return 0;
 }
 
-long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lParam) {
-//      switch (iMessage) {
-//      case EM_CANPASTE:
-//          return CanPaste();
-//      default:
-        return ScintillaBase::WndProc(iMessage, wParam, lParam);
-//      }
-//      return 0;
+sptr_t ScintillaWX::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
+      switch (iMessage) {
+#if 0  // TODO: check this
+          
+      case SCI_CALLTIPSHOW: {
+          // NOTE: This is copied here from scintilla/src/ScintillaBase.cxx
+          // because of the little tweak that needs done below for wxGTK.
+          // When updating new versions double check that this is still
+          // needed, and that any new code there is copied here too.
+          Point pt = LocationFromPosition(wParam);
+          char* defn = reinterpret_cast<char *>(lParam);
+          AutoCompleteCancel();
+          pt.y += vs.lineHeight;
+          int ctStyle = ct.UseStyleCallTip() ? STYLE_CALLTIP : STYLE_DEFAULT;
+          if (ct.UseStyleCallTip())
+          {
+              ct.SetForeBack(vs.styles[STYLE_CALLTIP].fore, vs.styles[STYLE_CALLTIP].back);
+          }
+          int caretMain = sel.MainCaret();
+          PRectangle rc = ct.CallTipStart(caretMain, pt,
+                                          defn,
+                                          vs.styles[ctStyle].fontName,
+                                          vs.styles[ctStyle].sizeZoomed,
+                                          CodePage(),
+                                          vs.styles[ctStyle].characterSet,
+                                          wMain);
+          // If the call-tip window would be out of the client
+          // space, adjust so it displays above the text.
+          PRectangle rcClient = GetClientRectangle();
+          if (rc.bottom > rcClient.bottom) {
+#ifdef __WXGTK__
+              int offset = int(vs.lineHeight * 1.25)  + rc.Height();
+#else
+              int offset = vs.lineHeight + rc.Height();
+#endif
+              rc.top -= offset;
+              rc.bottom -= offset;
+          }
+          // Now display the window.
+          CreateCallTipWindow(rc);
+          ct.wCallTip.SetPositionRelative(rc, wMain);
+          ct.wCallTip.Show();
+          break;
+      }
+#endif
+
+#ifdef SCI_LEXER
+      case SCI_LOADLEXERLIBRARY:
+            LexerManager::GetInstance()->Load((const char*)lParam);
+            break;
+#endif
+
+      default:
+          return ScintillaBase::WndProc(iMessage, wParam, lParam);
+      }
+      return 0;
 }
 
 
@@ -407,40 +735,67 @@ long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lPar
 void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
 
     paintState = painting;
-    Surface* surfaceWindow = Surface::Allocate();
-    surfaceWindow->Init(dc);
-    PRectangle rcPaint = PRectangleFromwxRect(rect);
-    dc->BeginDrawing();
-    Paint(surfaceWindow, rcPaint);
-    dc->EndDrawing();
-    delete surfaceWindow;
+    AutoSurface surfaceWindow(dc, this);
+    if (surfaceWindow) {
+        rcPaint = PRectangleFromwxRect(rect);
+        PRectangle rcClient = GetClientRectangle();
+        paintingAllText = rcPaint.Contains(rcClient);
+
+        ClipChildren(*dc, rcPaint);
+        Paint(surfaceWindow, rcPaint);
+        surfaceWindow->Release();
+    }
+
     if (paintState == paintAbandoned) {
-        // Painting area was insufficient to cover new styling or brace highlight positions
-        FullPaint();
+        // Painting area was insufficient to cover new styling or brace
+        // highlight positions
+        FullPaintDC(dc);
+    }
+    paintState = notPainting;
+}
+
+
+// Force the whole window to be repainted
+void ScintillaWX::FullPaint() {
+    wxClientDC dc(stc);
+    FullPaintDC(&dc);
+}
+
+
+void ScintillaWX::FullPaintDC(wxDC* dc) {
+    paintState = painting;
+    rcPaint = GetClientRectangle();
+    paintingAllText = true;
+    AutoSurface surfaceWindow(dc, this);
+    if (surfaceWindow) {
+        Paint(surfaceWindow, rcPaint);
+        surfaceWindow->Release();
     }
     paintState = notPainting;
-#ifdef __WXGTK__
-    // On wxGTK the editor window paints can overwrite the listbox...
-    if (ac.Active())
-        ((wxWindow*)ac.lb.GetID())->Refresh(TRUE);
-#endif
 }
 
 
+
 void ScintillaWX::DoHScroll(int type, int pos) {
     int xPos = xOffset;
+    PRectangle rcText = GetTextRectangle();
+    int pageWidth = rcText.Width() * 2 / 3;
     if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP)
         xPos -= H_SCROLL_STEP;
     else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN)
         xPos += H_SCROLL_STEP;
     else if (type == wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP)
-        xPos -= H_SCROLL_PAGE;
-    else if (type == wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN)
-        xPos += H_SCROLL_PAGE;
+        xPos -= pageWidth;
+    else if (type == wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN) {
+        xPos += pageWidth;
+        if (xPos > scrollWidth - rcText.Width()) {
+            xPos = scrollWidth - rcText.Width();
+        }
+    }
     else if (type == wxEVT_SCROLLWIN_TOP || type == wxEVT_SCROLL_TOP)
         xPos = 0;
     else if (type == wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM)
-        xPos = H_SCROLL_MAX;
+        xPos = scrollWidth;
     else if (type == wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK)
         xPos = pos;
 
@@ -467,13 +822,14 @@ void ScintillaWX::DoVScroll(int type, int pos) {
     ScrollTo(topLineNew);
 }
 
-
-void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction, int ctrlDown) {
+void ScintillaWX::DoMouseWheel(int rotation, int delta,
+                               int linesPerAction, int ctrlDown,
+                               bool isPageScroll ) {
     int topLineNew = topLine;
     int lines;
 
     if (ctrlDown) {  // Zoom the fonts if Ctrl key down
-        if (rotation < 0) {
+        if (rotation > 0) {
             KeyCommand(SCI_ZOOMIN);
         }
         else {
@@ -481,11 +837,16 @@ void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction, int
         }
     }
     else { // otherwise just scroll the window
+        if ( !delta )
+            delta = 120;
         wheelRotation += rotation;
         lines = wheelRotation / delta;
         wheelRotation -= lines * delta;
         if (lines != 0) {
-            lines *= linesPerAction;
+            if (isPageScroll)
+                lines = lines * LinesOnScreen();  // lines is either +1 or -1
+            else
+                lines *= linesPerAction;
             topLineNew -= lines;
             ScrollTo(topLineNew);
         }
@@ -493,48 +854,109 @@ void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction, int
 }
 
 
-void ScintillaWX::DoSize(int width, int height) {
-//      PRectangle rcClient(0,0,width,height);
-//      SetScrollBarsTo(rcClient);
-//      DropGraphics();
+void ScintillaWX::DoSize(int WXUNUSED(width), int WXUNUSED(height)) {
     ChangeSize();
 }
 
 void ScintillaWX::DoLoseFocus(){
+    focusEvent = true;
     SetFocusState(false);
+    focusEvent = false;
+    DestroySystemCaret();
 }
 
 void ScintillaWX::DoGainFocus(){
+    focusEvent = true;
     SetFocusState(true);
+    focusEvent = false;
+    DestroySystemCaret();
+    CreateSystemCaret();
 }
 
 void ScintillaWX::DoSysColourChange() {
     InvalidateStyleData();
 }
 
-void ScintillaWX::DoButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt) {
+void ScintillaWX::DoLeftButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt) {
     ButtonDown(pt, curTime, shift, ctrl, alt);
 }
 
-void ScintillaWX::DoButtonUp(Point pt, unsigned int curTime, bool ctrl) {
+void ScintillaWX::DoLeftButtonUp(Point pt, unsigned int curTime, bool ctrl) {
     ButtonUp(pt, curTime, ctrl);
 }
 
-void ScintillaWX::DoButtonMove(Point pt) {
+void ScintillaWX::DoLeftButtonMove(Point pt) {
     ButtonMove(pt);
 }
 
+#ifdef __WXGTK__
+void ScintillaWX::DoMiddleButtonUp(Point pt) {
+    // Set the current position to the mouse click point and
+    // then paste in the PRIMARY selection, if any.  wxGTK only.
+    int newPos = PositionFromLocation(pt);
+    MovePositionTo(newPos, Selection::noSel, true);
+
+    pdoc->BeginUndoAction();
+    wxTextDataObject data;
+    bool gotData = false;
+    wxTheClipboard->UsePrimarySelection(true);
+    if (wxTheClipboard->Open()) {
+        gotData = wxTheClipboard->GetData(data);
+        wxTheClipboard->Close();
+    }
+    wxTheClipboard->UsePrimarySelection(false);
+    if (gotData) {
+        wxString   text = wxTextBuffer::Translate(data.GetText(),
+                                                  wxConvertEOLMode(pdoc->eolMode));
+        wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
+        int        len = strlen(buf);
+        int caretMain = sel.MainCaret();
+        pdoc->InsertString(caretMain, buf, len);
+        SetEmptySelection(caretMain + len);
+    }
+    pdoc->EndUndoAction();
+    NotifyChange();
+    Redraw();
+
+    ShowCaretAtCurrentPosition();
+    EnsureCaretVisible();
+}
+#else
+void ScintillaWX::DoMiddleButtonUp(Point WXUNUSED(pt)) {
+}
+#endif
+
 
 void ScintillaWX::DoAddChar(int key) {
-    AddChar(key);
+#if wxUSE_UNICODE
+    wxChar wszChars[2];
+    wszChars[0] = (wxChar)key;
+    wszChars[1] = 0;
+    wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(wszChars);
+    AddCharUTF((char*)buf.data(), strlen(buf));
+#else
+    AddChar((char)key);
+#endif
 }
 
-int  ScintillaWX::DoKeyDown(int key, bool shift, bool ctrl, bool alt, bool* consumed) {
-#if defined(__WXGTK__) || defined(__WXMAC__)
-    // Ctrl chars (A-Z) end up with the wrong keycode on wxGTK...
-    if (ctrl && key >= 1 && key <= 26)
+
+int  ScintillaWX::DoKeyDown(const wxKeyEvent& evt, bool* consumed)
+{
+    int key = evt.GetKeyCode();
+    if (key == WXK_NONE) {
+        // This is a Unicode character not representable in Latin-1 or some key
+        // without key code at all (e.g. dead key or VK_PROCESSKEY under MSW).
+        if ( consumed )
+            *consumed = false;
+        return 0;
+    }
+
+    bool shift = evt.ShiftDown(),
+         ctrl  = evt.ControlDown(),
+         alt   = evt.AltDown();
+
+    if (ctrl && key >= 1 && key <= 26 && key != WXK_BACK)
         key += 'A' - 1;
-#endif
 
     switch (key) {
     case WXK_DOWN:              key = SCK_DOWN;     break;
@@ -543,13 +965,24 @@ int  ScintillaWX::DoKeyDown(int key, bool shift, bool ctrl, bool alt, bool* cons
     case WXK_RIGHT:             key = SCK_RIGHT;    break;
     case WXK_HOME:              key = SCK_HOME;     break;
     case WXK_END:               key = SCK_END;      break;
-    case WXK_PRIOR:             key = SCK_PRIOR;    break;
-    case WXK_NEXT:              key = SCK_NEXT;     break;
+    case WXK_PAGEUP:            key = SCK_PRIOR;    break;
+    case WXK_PAGEDOWN:          key = SCK_NEXT;     break;
+    case WXK_NUMPAD_DOWN:       key = SCK_DOWN;     break;
+    case WXK_NUMPAD_UP:         key = SCK_UP;       break;
+    case WXK_NUMPAD_LEFT:       key = SCK_LEFT;     break;
+    case WXK_NUMPAD_RIGHT:      key = SCK_RIGHT;    break;
+    case WXK_NUMPAD_HOME:       key = SCK_HOME;     break;
+    case WXK_NUMPAD_END:        key = SCK_END;      break;
+    case WXK_NUMPAD_PAGEUP:     key = SCK_PRIOR;    break;
+    case WXK_NUMPAD_PAGEDOWN:   key = SCK_NEXT;     break;
+    case WXK_NUMPAD_DELETE:     key = SCK_DELETE;   break;
+    case WXK_NUMPAD_INSERT:     key = SCK_INSERT;   break;
     case WXK_DELETE:            key = SCK_DELETE;   break;
     case WXK_INSERT:            key = SCK_INSERT;   break;
     case WXK_ESCAPE:            key = SCK_ESCAPE;   break;
     case WXK_BACK:              key = SCK_BACK;     break;
     case WXK_TAB:               key = SCK_TAB;      break;
+    case WXK_NUMPAD_ENTER:      // fall through
     case WXK_RETURN:            key = SCK_RETURN;   break;
     case WXK_ADD:               // fall through
     case WXK_NUMPAD_ADD:        key = SCK_ADD;      break;
@@ -560,8 +993,24 @@ int  ScintillaWX::DoKeyDown(int key, bool shift, bool ctrl, bool alt, bool* cons
     case WXK_CONTROL:           key = 0; break;
     case WXK_ALT:               key = 0; break;
     case WXK_SHIFT:             key = 0; break;
-    case WXK_MENU:              key = 0; break;
+    case WXK_MENU:              key = SCK_MENU; break;
+    }
+
+#ifdef __WXMAC__
+    if ( evt.MetaDown() ) {
+        // check for a few common Mac Meta-key combos and remap them to Ctrl
+        // for Scintilla
+        switch ( key ) {
+        case 'Z':       // Undo
+        case 'X':       // Cut
+        case 'C':       // Copy
+        case 'V':       // Paste
+        case 'A':       // Select All
+            ctrl = true;
+            break;
+        }
     }
+#endif
 
     int rv = KeyDown(key, shift, ctrl, alt, consumed);
 
@@ -578,18 +1027,31 @@ void ScintillaWX::DoCommand(int ID) {
 
 
 void ScintillaWX::DoContextMenu(Point pt) {
-    ContextMenu(pt);
+    if (displayPopupMenu)
+        ContextMenu(pt);
 }
 
 void ScintillaWX::DoOnListBox() {
     AutoCompleteCompleted();
 }
 
+
+void ScintillaWX::DoOnIdle(wxIdleEvent& evt) {
+
+    if ( Idle() )
+        evt.RequestMore();
+    else
+        SetIdle(false);
+}
+
 //----------------------------------------------------------------------
 
 #if wxUSE_DRAG_AND_DROP
 bool ScintillaWX::DoDropText(long x, long y, const wxString& data) {
-    SetDragPosition(invalidPosition);
+    SetDragPosition(SelectionPosition(invalidPosition));
+
+    wxString text = wxTextBuffer::Translate(data,
+                                            wxConvertEOLMode(pdoc->eolMode));
 
     // Send an event to allow the drag details to be changed
     wxStyledTextEvent evt(wxEVT_STC_DO_DROP, stc->GetId());
@@ -598,29 +1060,29 @@ bool ScintillaWX::DoDropText(long x, long y, const wxString& data) {
     evt.SetX(x);
     evt.SetY(y);
     evt.SetPosition(PositionFromLocation(Point(x,y)));
-    evt.SetDragText(data);
+    evt.SetDragText(text);
     stc->GetEventHandler()->ProcessEvent(evt);
 
     dragResult = evt.GetDragResult();
     if (dragResult == wxDragMove || dragResult == wxDragCopy) {
-        DropAt(evt.GetPosition(),
+        DropAt(SelectionPosition(evt.GetPosition()),
                wx2stc(evt.GetDragText()),
                dragResult == wxDragMove,
-               FALSE); // TODO: rectangular?
-        return TRUE;
+               false); // TODO: rectangular?
+        return true;
     }
-    return FALSE;
+    return false;
 }
 
 
-wxDragResult ScintillaWX::DoDragEnter(wxCoord x, wxCoord y, wxDragResult def) {
+wxDragResult ScintillaWX::DoDragEnter(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxDragResult def) {
     dragResult = def;
     return dragResult;
 }
 
 
 wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) {
-    SetDragPosition(PositionFromLocation(Point(x, y)));
+    SetDragPosition(SelectionPosition(PositionFromLocation(Point(x, y))));
 
     // Send an event to allow the drag result to be changed
     wxStyledTextEvent evt(wxEVT_STC_DRAG_OVER, stc->GetId());
@@ -637,28 +1099,11 @@ wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) {
 
 
 void ScintillaWX::DoDragLeave() {
-    SetDragPosition(invalidPosition);
+    SetDragPosition(SelectionPosition(invalidPosition));
 }
-#endif
+#endif // wxUSE_DRAG_AND_DROP
 //----------------------------------------------------------------------
 
-// Redraw all of text area. This paint will not be abandoned.
-void ScintillaWX::FullPaint() {
-    paintState = painting;
-    rcPaint = GetTextRectangle();
-    paintingAllText = true;
-    wxClientDC dc(stc);
-    Surface* surfaceWindow = Surface::Allocate();
-    surfaceWindow->Init(&dc);
-    Paint(surfaceWindow, rcPaint);
-    delete surfaceWindow;
-
-//     stc->Refresh(FALSE);
-
-    paintState = notPainting;
-}
-
-
 void ScintillaWX::DoScrollToLine(int line) {
     ScrollTo(line);
 }
@@ -668,7 +1113,37 @@ void ScintillaWX::DoScrollToColumn(int column) {
     HorizontalScrollTo(column * vs.spaceWidth);
 }
 
+// wxGTK doesn't appear to need this explicit clipping code any longer, but I
+// will leave it here commented out for a while just in case...
+void ScintillaWX::ClipChildren(wxDC& WXUNUSED(dc), PRectangle WXUNUSED(rect))
+{
+//     wxRegion rgn(wxRectFromPRectangle(rect));
+//     if (ac.Active()) {
+//         wxRect childRect = ((wxWindow*)ac.lb->GetID())->GetRect();
+//         rgn.Subtract(childRect);
+//     }
+//     if (ct.inCallTipMode) {
+//         wxSTCCallTip* tip = (wxSTCCallTip*)ct.wCallTip.GetID();
+//         wxRect childRect = tip->GetRect();
+// #if wxUSE_POPUPWIN
+//         childRect.SetPosition(tip->GetMyPosition());
+// #endif
+//         rgn.Subtract(childRect);
+//     }
+//     dc.SetClippingRegion(rgn);
+}
+
+
+void ScintillaWX::SetUseAntiAliasing(bool useAA) {
+    vs.extraFontFlag = useAA;
+    InvalidateStyleRedraw();
+}
 
+bool ScintillaWX::GetUseAntiAliasing() {
+    return vs.extraFontFlag != 0;
+}
 
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------
+
+#endif // wxUSE_STC