Correct rounding up vs. rounding down error in GTK+

[wxWidgets.git] / contrib / src / stc / ScintillaWX.cpp

diff --git a/contrib/src/stc/ScintillaWX.cpp b/contrib/src/stc/ScintillaWX.cpp
index 56ac22155814357e5cab1abec0681773987b34a7..796f06e0c8f03ac927b8e2fa36f0763a9d507fbb 100644 (file)
--- a/contrib/src/stc/ScintillaWX.cpp
+++ b/contrib/src/stc/ScintillaWX.cpp
@@ -1,6 +1,6 @@
 ////////////////////////////////////////////////////////////////////////////
 // Name:        ScintillaWX.cxx
 ////////////////////////////////////////////////////////////////////////////
 // Name:        ScintillaWX.cxx

-// Purpose:     A wxWindows implementation of Scintilla.  A class derived
+// 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
 //              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


@@ -14,17 +14,12 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 

-#include <ctype.h>

 
 #include "ScintillaWX.h"
 
 #include "ScintillaWX.h"

+#include "ExternalLexer.h"

 #include "wx/stc/stc.h"
 #include "wx/stc/stc.h"

-
-
-//----------------------------------------------------------------------
-
-const int H_SCROLL_MAX  = 2000;
-const int H_SCROLL_STEP = 20;
-const int H_SCROLL_PAGE = 200;
+#include "PlatWX.h"
+#include <wx/textbuf.h>

 
 //----------------------------------------------------------------------
 // Helper classes
 
 //----------------------------------------------------------------------
 // Helper classes


@@ -44,7 +39,7 @@ private:
 };
 
 
 };
 
 

-
+#if wxUSE_DRAG_AND_DROP

 bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) {
     return swx->DoDropText(x, y, data);
 }
 bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) {
     return swx->DoDropText(x, y, data);
 }


@@ -60,47 +55,137 @@ wxDragResult  wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def
 void  wxSTCDropTarget::OnLeave() {
     swx->DoDragLeave();
 }
 void  wxSTCDropTarget::OnLeave() {
     swx->DoDragLeave();
 }

+#endif
+

 
 

+#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
+#include <wx/popupwin.h>
+#define wxSTCCallTipBase wxPopupWindow
+#define param2  wxBORDER_NONE  // popup's 2nd param is flags
+#else
+#define wxSTCCallTipBase wxWindow
+#define param2 -1 // wxWindow's 2nd param is ID
+#endif

 
 

-class wxSTCCallTip : public wxWindow {
+#include <wx/dcbuffer.h>
+
+class wxSTCCallTip : public wxSTCCallTipBase {

 public:
 public:

-    wxSTCCallTip(wxWindow* parent, int ID, CallTip* ct)
-        : wxWindow(parent, ID)
+    wxSTCCallTip(wxWindow* parent, CallTip* ct, ScintillaWX* swx)
+        : wxSTCCallTipBase(parent, param2),
+          m_ct(ct), m_swx(swx), m_cx(wxDefaultCoord), m_cy(wxDefaultCoord)

         {
         {

-            m_ct = ct;

         }
 
         }
 

-    void OnPaint(wxPaintEvent& evt) {
-        wxPaintDC dc(this);
-        Surface surfaceWindow;
-        surfaceWindow.Init(&dc);
-        m_ct->PaintCT(&surfaceWindow);
-        surfaceWindow.Release();
+    ~wxSTCCallTip() {
+#if wxUSE_POPUPWIN && wxSTC_USE_POPUP && 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)) {
+        wxBufferedPaintDC dc(this);
+        Surface* surfaceWindow = Surface::Allocate();
+        surfaceWindow->Init(&dc, m_ct->wDraw.GetID());
+        m_ct->PaintCT(surfaceWindow);
+        surfaceWindow->Release();
+        delete surfaceWindow;
+    }
+
+    void OnFocus(wxFocusEvent& event) {
+        GetParent()->SetFocus();
+        event.Skip();
+    }
+
+    void OnLeftDown(wxMouseEvent& event) {
+        wxPoint pt = event.GetPosition();
+        Point p(pt.x, pt.y);
+        m_ct->MouseClick(p);
+        m_swx->CallTipClick();
+    }
+
+#if wxUSE_POPUPWIN && wxSTC_USE_POPUP
+    virtual void DoSetSize(int x, int y,
+                           int width, int height,
+                           int sizeFlags = wxSIZE_AUTO) {
+        if (x != wxDefaultCoord) {
+            m_cx = x;
+            GetParent()->ClientToScreen(&x, NULL);
+        }
+        if (y != wxDefaultCoord) {
+            m_cy = y;
+            GetParent()->ClientToScreen(NULL, &y);
+        }
+        wxSTCCallTipBase::DoSetSize(x, y, width, height, sizeFlags);
+    }
+#endif
+
+    wxPoint GetMyPosition() {
+        return wxPoint(m_cx, m_cy);

     }
 
     }
 

-    CallTip*    m_ct;
+private:
+    CallTip*      m_ct;
+    ScintillaWX*  m_swx;
+    int           m_cx, m_cy;

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 

-BEGIN_EVENT_TABLE(wxSTCCallTip, wxWindow)
+BEGIN_EVENT_TABLE(wxSTCCallTip, wxSTCCallTipBase)

     EVT_PAINT(wxSTCCallTip::OnPaint)
     EVT_PAINT(wxSTCCallTip::OnPaint)

+    EVT_SET_FOCUS(wxSTCCallTip::OnFocus)
+    EVT_LEFT_DOWN(wxSTCCallTip::OnLeftDown)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

+
+//----------------------------------------------------------------------
+
+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;
+}
+
+

 //----------------------------------------------------------------------
 // Constructor/Destructor
 
 
 ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
     capturedMouse = false;
 //----------------------------------------------------------------------
 // Constructor/Destructor
 
 
 ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
     capturedMouse = false;

+    focusEvent = false;

     wMain = win;
     wMain = win;

-    wDraw = win;

     stc   = win;
     stc   = win;

+    wheelRotation = 0;

     Initialise();
 }
 
 
 ScintillaWX::~ScintillaWX() {
     Initialise();
 }
 
 
 ScintillaWX::~ScintillaWX() {

-    SetTicking(false);
+    Finalise();

 }
 
 //----------------------------------------------------------------------
 }
 
 //----------------------------------------------------------------------


@@ -109,28 +194,69 @@ ScintillaWX::~ScintillaWX() {
 
 void ScintillaWX::Initialise() {
     //ScintillaBase::Initialise();
 
 void ScintillaWX::Initialise() {
     //ScintillaBase::Initialise();

+#if wxUSE_DRAG_AND_DROP

     dropTarget = new wxSTCDropTarget;
     dropTarget->SetScintilla(this);
     stc->SetDropTarget(dropTarget);
     dropTarget = new wxSTCDropTarget;
     dropTarget->SetScintilla(this);
     stc->SetDropTarget(dropTarget);

+#endif
+#ifdef __WXMAC__
+    vs.extraFontFlag = false;  // UseAntiAliasing
+#else
+    vs.extraFontFlag = true;   // UseAntiAliasing
+#endif

 }
 
 
 void ScintillaWX::Finalise() {
     ScintillaBase::Finalise();
 }
 
 
 void ScintillaWX::Finalise() {
     ScintillaBase::Finalise();

+    SetTicking(false);
+    SetIdle(false);

 }
 
 
 void ScintillaWX::StartDrag() {
 }
 
 
 void ScintillaWX::StartDrag() {

-    wxDropSource        source(wMain.GetID());
-    wxTextDataObject    data(dragChars);
-    wxDragResult        result;
-
-    source.SetData(data);
-    result = source.DoDragDrop(TRUE);
-    if (result == wxDragMove && dropWentOutside)
-        ClearSelection();
-    inDragDrop = FALSE;
-    SetDragPosition(invalidPosition);
+#if wxUSE_DRAG_AND_DROP
+    wxString dragText = stc2wx(drag.s, drag.len);
+
+    // Send an event to allow the drag text to be changed
+    wxStyledTextEvent evt(wxEVT_STC_START_DRAG, stc->GetId());
+    evt.SetEventObject(stc);
+    evt.SetDragText(dragText);
+    evt.SetDragAllowMove(true);
+    evt.SetPosition(wxMin(stc->GetSelectionStart(),
+                          stc->GetSelectionEnd()));
+    stc->GetEventHandler()->ProcessEvent(evt);
+    dragText = evt.GetDragText();
+
+    if (dragText.Length()) {
+        wxDropSource        source(stc);
+        wxTextDataObject    data(dragText);
+        wxDragResult        result;
+
+        source.SetData(data);
+        dropWentOutside = true;
+        result = source.DoDragDrop(evt.GetDragAllowMove());
+        if (result == wxDragMove && dropWentOutside)
+            ClearSelection();
+        inDragDrop = false;
+        SetDragPosition(invalidPosition);
+    }
+#endif
+}
+
+
+bool ScintillaWX::SetIdle(bool on) {
+    if (idler.state != on) {
+        // connect or disconnect the EVT_IDLE handler
+        if (on)
+            stc->Connect(wxID_ANY, wxEVT_IDLE,
+                         (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle);
+        else
+            stc->Disconnect(wxID_ANY, wxEVT_IDLE,
+                            (wxObjectEventFunction) (wxEventFunction) (wxIdleEventFunction) &wxStyledTextCtrl::OnIdle);
+        idler.state = on;
+    }
+    return idler.state;

 }
 
 
 }
 
 


@@ -141,7 +267,7 @@ void ScintillaWX::SetTicking(bool on) {
         if (timer.ticking) {
             steTimer = new wxSTCTimer(this);
             steTimer->Start(timer.tickSize);
         if (timer.ticking) {
             steTimer = new wxSTCTimer(this);
             steTimer->Start(timer.tickSize);

-            timer.tickerID = (int)steTimer;
+            timer.tickerID = steTimer;

         } else {
             steTimer = (wxSTCTimer*)timer.tickerID;
             steTimer->Stop();
         } else {
             steTimer = (wxSTCTimer*)timer.tickerID;
             steTimer->Stop();


@@ -154,11 +280,13 @@ void ScintillaWX::SetTicking(bool on) {
 
 
 void ScintillaWX::SetMouseCapture(bool on) {
 
 
 void ScintillaWX::SetMouseCapture(bool on) {

-    if (on && !capturedMouse)
-        wMain.GetID()->CaptureMouse();
-    else if (!on && capturedMouse)
-        wMain.GetID()->ReleaseMouse();
-    capturedMouse = on;
+    if (mouseDownCaptures) {
+        if (on && !capturedMouse)
+            stc->CaptureMouse();
+        else if (!on && capturedMouse && stc->HasCapture())
+            stc->ReleaseMouse();
+        capturedMouse = on;
+    }

 }
 
 
 }
 
 


@@ -169,37 +297,93 @@ bool ScintillaWX::HaveMouseCapture() {
 
 void ScintillaWX::ScrollText(int linesToMove) {
     int dy = vs.lineHeight * (linesToMove);
 
 void ScintillaWX::ScrollText(int linesToMove) {
     int dy = vs.lineHeight * (linesToMove);

-    // TODO: calculate the rectangle to refreshed...
-    wMain.GetID()->ScrollWindow(0, dy);
+    stc->ScrollWindow(0, dy);
+    stc->Update();

 }
 
 void ScintillaWX::SetVerticalScrollPos() {
 }
 
 void ScintillaWX::SetVerticalScrollPos() {

-    wMain.GetID()->SetScrollPos(wxVERTICAL, topLine);
+    if (stc->m_vScrollBar == NULL) {  // Use built-in scrollbar
+        stc->SetScrollPos(wxVERTICAL, topLine);
+    }
+    else { // otherwise use the one that's been given to us
+        stc->m_vScrollBar->SetThumbPosition(topLine);
+    }

 }
 
 void ScintillaWX::SetHorizontalScrollPos() {
 }
 
 void ScintillaWX::SetHorizontalScrollPos() {

-    wMain.GetID()->SetScrollPos(wxHORIZONTAL, xOffset);
+    if (stc->m_hScrollBar == NULL) {  // Use built-in scrollbar
+        stc->SetScrollPos(wxHORIZONTAL, xOffset);
+    }
+    else { // otherwise use the one that's been given to us
+        stc->m_hScrollBar->SetThumbPosition(xOffset);
+    }

 }
 
 
 }
 
 

+const int H_SCROLL_STEP = 20;
+

 bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
     bool modified = false;
 bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
     bool modified = false;

-    int  sbMax    = wMain.GetID()->GetScrollRange(wxVERTICAL);
-    int  sbThumb  = wMain.GetID()->GetScrollThumb(wxVERTICAL);
-    int  sbPos    = wMain.GetID()->GetScrollPos(wxVERTICAL);

 
 

-
-    if (sbMax != nMax || sbThumb != nPage) {
-        wMain.GetID()->SetScrollbar(wxVERTICAL, sbPos, nPage, nMax);
-        modified = true;
+    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 != vertEnd || sbThumb != nPage) {
+            stc->SetScrollbar(wxVERTICAL, sbPos, nPage, vertEnd+1);
+            modified = true;
+        }
+    }
+    else { // otherwise use the one that's been given to us
+        int  sbMax    = stc->m_vScrollBar->GetRange();
+        int  sbPage   = stc->m_vScrollBar->GetPageSize();
+        int  sbPos    = stc->m_vScrollBar->GetThumbPosition();
+        if (sbMax != vertEnd || sbPage != nPage) {
+            stc->m_vScrollBar->SetScrollbar(sbPos, nPage, vertEnd+1, nPage);
+            modified = true;
+        }

     }
 
     }
 

-    sbMax    = wMain.GetID()->GetScrollRange(wxHORIZONTAL);
-    sbThumb  = wMain.GetID()->GetScrollThumb(wxHORIZONTAL);
-    if ((sbMax != H_SCROLL_MAX) || (sbThumb != H_SCROLL_STEP)) {
-        wMain.GetID()->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 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;
 }
 
     return modified;
 }
 


@@ -214,13 +398,24 @@ 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) {
 
 void ScintillaWX::Copy() {
     if (currentPos != anchor) {

-        char* text = CopySelectionRange();
-        wxTheClipboard->Open();
-        wxTheClipboard->SetData(new wxTextDataObject(text));
-        wxTheClipboard->Close();
+        SelectionText st;
+        CopySelectionRange(&st);
+        CopyToClipboard(st);

     }
 }
 
     }
 }
 


@@ -230,15 +425,19 @@ void ScintillaWX::Paste() {
     ClearSelection();
 
     wxTextDataObject data;
     ClearSelection();
 
     wxTextDataObject data;

-    bool canPaste;
-
-    wxTheClipboard->Open();
-    canPaste = wxTheClipboard->GetData(data);
-    wxTheClipboard->Close();
-    if (canPaste) {
-        wxString str = data.GetText();
-        int      len = str.Length();
-        pdoc->InsertString(currentPos, str.c_str(), len);
+    bool gotData = false;
+
+    if (wxTheClipboard->Open()) {
+        wxTheClipboard->UsePrimarySelection(false);
+        gotData = wxTheClipboard->GetData(data);
+        wxTheClipboard->Close();
+    }
+    if (gotData) {
+        wxString   text = wxTextBuffer::Translate(data.GetText(),
+                                                  wxConvertEOLMode(pdoc->eolMode));
+        wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
+        int        len = strlen(buf);
+        pdoc->InsertString(currentPos, buf, len);

         SetEmptySelection(currentPos + len);
     }
 
         SetEmptySelection(currentPos + len);
     }
 


@@ -248,53 +447,129 @@ void ScintillaWX::Paste() {
 }
 
 
 }
 
 

-bool ScintillaWX::CanPaste() {
-    wxTextDataObject data;
-    bool canPaste;
+void ScintillaWX::CopyToClipboard(const SelectionText& st) {
+    if (wxTheClipboard->Open()) {
+        wxTheClipboard->UsePrimarySelection(false);
+        wxString text = wxTextBuffer::Translate(stc2wx(st.s, st.len));
+        wxTheClipboard->SetData(new wxTextDataObject(text));
+        wxTheClipboard->Close();
+    }
+}

 
 

-    wxTheClipboard->Open();
-    canPaste = wxTheClipboard->GetData(data);
-    wxTheClipboard->Close();

 
 

+bool ScintillaWX::CanPaste() {
+    bool canPaste = false;
+    bool didOpen;
+
+    if (Editor::CanPaste()) {
+        didOpen = !wxTheClipboard->IsOpened();
+        if ( didOpen )
+            wxTheClipboard->Open();
+
+        if (wxTheClipboard->IsOpened()) {
+            wxTheClipboard->UsePrimarySelection(false);
+            canPaste = wxTheClipboard->IsSupported(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT);
+            if (didOpen)
+                wxTheClipboard->Close();
+        }
+    }

     return canPaste;
 }
 
 void ScintillaWX::CreateCallTipWindow(PRectangle) {
     return canPaste;
 }
 
 void ScintillaWX::CreateCallTipWindow(PRectangle) {

-    ct.wCallTip = new wxSTCCallTip(wDraw.GetID(), -1, &ct);
-    ct.wDraw = ct.wCallTip;
+    if (! ct.wCallTip.Created() ) {
+        ct.wCallTip = new wxSTCCallTip(stc, &ct, this);
+        ct.wDraw = ct.wCallTip;
+    }

 }
 
 
 void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
     if (!label[0])
 }
 
 
 void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
     if (!label[0])

-        popup.GetID()->AppendSeparator();
+        ((wxMenu*)popup.GetID())->AppendSeparator();

     else
     else

-        popup.GetID()->Append(cmd, label);
+        ((wxMenu*)popup.GetID())->Append(cmd, wxGetTranslation(stc2wx(label)));

 
     if (!enabled)
 
     if (!enabled)

-        popup.GetID()->Enable(cmd, enabled);
-
-    // TODO:  need to create event handler mappings for the cmd ID
+        ((wxMenu*)popup.GetID())->Enable(cmd, enabled);

 }
 
 
 }
 
 

+// This is called by the Editor base class whenever something is selected

 void ScintillaWX::ClaimSelection() {
 void ScintillaWX::ClaimSelection() {

-
+#if 0
+    // Until wxGTK is able to support using both the primary selection and the
+    // clipboard at the same time I think it causes more problems than it is
+    // worth to implement this method.  Selecting text should not clear the
+    // clipboard.  --Robin
+#ifdef __WXGTK__
+    // Put the selected text in the PRIMARY selection
+    if (currentPos != anchor) {
+        SelectionText st;
+        CopySelectionRange(&st);
+        if (wxTheClipboard->Open()) {
+            wxTheClipboard->UsePrimarySelection(true);
+            wxString text = stc2wx(st.s, st.len);
+            wxTheClipboard->SetData(new wxTextDataObject(text));
+            wxTheClipboard->UsePrimarySelection(false);
+            wxTheClipboard->Close();
+        }
+    }
+#endif
+#endif

 }
 
 
 }
 
 

-LRESULT ScintillaWX::DefWndProc(UINT /*iMessage*/, WPARAM /*wParam*/, LPARAM /*lParam*/) {
+long ScintillaWX::DefWndProc(unsigned int /*iMessage*/, unsigned long /*wParam*/, long /*lParam*/) {

     return 0;
 }
 
     return 0;
 }
 

-LRESULT ScintillaWX::WndProc(UINT iMessage, WPARAM wParam, LPARAM lParam) {
-    switch (iMessage) {
-    case EM_CANPASTE:
-        return CanPaste();
-    default:
-        return ScintillaBase::WndProc(iMessage, wParam, lParam);
-    }
-    return 0;
+long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lParam) {
+      switch (iMessage) {
+      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;
+          PRectangle rc = ct.CallTipStart(currentPos, pt,
+                                          defn,
+                                          vs.styles[STYLE_DEFAULT].fontName,
+                                          vs.styles[STYLE_DEFAULT].sizeZoomed,
+                                          CodePage(),
+                                          vs.styles[STYLE_DEFAULT].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;
+      }
+
+#ifdef SCI_LEXER
+      case SCI_LOADLEXERLIBRARY:
+            LexerManager::GetInstance()->Load((const char*)lParam);
+            break;
+#endif
+      default:
+          return ScintillaBase::WndProc(iMessage, wParam, lParam);
+      }
+      return 0;

 }
 
 
 }
 
 


@@ -305,117 +580,248 @@ LRESULT ScintillaWX::WndProc(UINT iMessage, WPARAM wParam, LPARAM lParam) {
 void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
 
     paintState = painting;
 void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
 
     paintState = painting;

-    Surface surfaceWindow;
-    surfaceWindow.Init(dc);
-    PRectangle rcPaint = PRectangleFromwxRect(rect);
+    Surface* surfaceWindow = Surface::Allocate();
+    surfaceWindow->Init(dc, wMain.GetID());
+    rcPaint = PRectangleFromwxRect(rect);
+    PRectangle rcClient = GetClientRectangle();
+    paintingAllText = rcPaint.Contains(rcClient);
+

     dc->BeginDrawing();
     dc->BeginDrawing();

-    Paint(&surfaceWindow, rcPaint);
-    dc->EndDrawing();
-    surfaceWindow.Release();
+    ClipChildren(*dc, rcPaint);
+    Paint(surfaceWindow, rcPaint);
+
+    delete surfaceWindow;

     if (paintState == paintAbandoned) {
     if (paintState == paintAbandoned) {

-        // Painting area was insufficient to cover new styling or brace highlight positions
+        // Painting area was insufficient to cover new styling or brace
+        // highlight positions

         FullPaint();
     }
     paintState = notPainting;
         FullPaint();
     }
     paintState = notPainting;

+    dc->EndDrawing();

 }
 
 
 void ScintillaWX::DoHScroll(int type, int pos) {
     int xPos = xOffset;
 }
 
 
 void ScintillaWX::DoHScroll(int type, int pos) {
     int xPos = xOffset;

-    switch (type) {
-    case wxEVT_SCROLLWIN_LINEUP:
+    PRectangle rcText = GetTextRectangle();
+    int pageWidth = rcText.Width() * 2 / 3;
+    if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP)

         xPos -= H_SCROLL_STEP;
         xPos -= H_SCROLL_STEP;

-        break;
-    case wxEVT_SCROLLWIN_LINEDOWN:
+    else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN)

         xPos += H_SCROLL_STEP;
         xPos += H_SCROLL_STEP;

-        break;
-    case wxEVT_SCROLLWIN_PAGEUP:
-        xPos -= H_SCROLL_PAGE;
-        break;
-    case wxEVT_SCROLLWIN_PAGEDOWN:
-        xPos += H_SCROLL_PAGE;
-        break;
-    case wxEVT_SCROLLWIN_TOP:
+    else if (type == wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP)
+        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;
         xPos = 0;

-        break;
-    case wxEVT_SCROLLWIN_BOTTOM:
-        xPos = H_SCROLL_MAX;
-        break;
-    case wxEVT_SCROLLWIN_THUMBTRACK:
+    else if (type == wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM)
+        xPos = scrollWidth;
+    else if (type == wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK)

         xPos = pos;
         xPos = pos;

-        break;
-    }
+

     HorizontalScrollTo(xPos);
 }
 
 void ScintillaWX::DoVScroll(int type, int pos) {
     int topLineNew = topLine;
     HorizontalScrollTo(xPos);
 }
 
 void ScintillaWX::DoVScroll(int type, int pos) {
     int topLineNew = topLine;

-    switch (type) {
-    case wxEVT_SCROLLWIN_LINEUP:
+    if (type == wxEVT_SCROLLWIN_LINEUP || type == wxEVT_SCROLL_LINEUP)

         topLineNew -= 1;
         topLineNew -= 1;

-        break;
-    case wxEVT_SCROLLWIN_LINEDOWN:
+    else if (type == wxEVT_SCROLLWIN_LINEDOWN || type == wxEVT_SCROLL_LINEDOWN)

         topLineNew += 1;
         topLineNew += 1;

-        break;
-    case wxEVT_SCROLLWIN_PAGEUP:
+    else if (type ==  wxEVT_SCROLLWIN_PAGEUP || type == wxEVT_SCROLL_PAGEUP)

         topLineNew -= LinesToScroll();
         topLineNew -= LinesToScroll();

-        break;
-    case wxEVT_SCROLLWIN_PAGEDOWN:
+    else if (type ==  wxEVT_SCROLLWIN_PAGEDOWN || type == wxEVT_SCROLL_PAGEDOWN)

         topLineNew += LinesToScroll();
         topLineNew += LinesToScroll();

-        break;
-    case wxEVT_SCROLLWIN_TOP:
+    else if (type ==  wxEVT_SCROLLWIN_TOP || type == wxEVT_SCROLL_TOP)

         topLineNew = 0;
         topLineNew = 0;

-        break;
-    case wxEVT_SCROLLWIN_BOTTOM:
+    else if (type ==  wxEVT_SCROLLWIN_BOTTOM || type == wxEVT_SCROLL_BOTTOM)

         topLineNew = MaxScrollPos();
         topLineNew = MaxScrollPos();

-        break;
-    case wxEVT_SCROLLWIN_THUMBTRACK:
+    else if (type ==   wxEVT_SCROLLWIN_THUMBTRACK || type == wxEVT_SCROLL_THUMBTRACK)

         topLineNew = pos;
         topLineNew = pos;

-        break;
-    }
+

     ScrollTo(topLineNew);
 }
 
     ScrollTo(topLineNew);
 }
 

-void ScintillaWX::DoSize(int width, int height) {
-    PRectangle rcClient(0,0,width,height);
-    SetScrollBarsTo(rcClient);
-    DropGraphics();
+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) {
+            KeyCommand(SCI_ZOOMIN);
+        }
+        else {
+            KeyCommand(SCI_ZOOMOUT);
+        }
+    }
+    else { // otherwise just scroll the window
+        if ( !delta )
+            delta = 120;
+        wheelRotation += rotation;
+        lines = wheelRotation / delta;
+        wheelRotation -= lines * delta;
+        if (lines != 0) {
+            if (isPageScroll)
+                lines = lines * LinesOnScreen();  // lines is either +1 or -1
+            else
+                lines *= linesPerAction;
+            topLineNew -= lines;
+            ScrollTo(topLineNew);
+        }
+    }
+}
+
+
+void ScintillaWX::DoSize(int WXUNUSED(width), int WXUNUSED(height)) {
+    ChangeSize();

 }
 
 void ScintillaWX::DoLoseFocus(){
 }
 
 void ScintillaWX::DoLoseFocus(){

-    DropCaret();
+    focusEvent = true;
+    SetFocusState(false);
+    focusEvent = false;

 }
 
 void ScintillaWX::DoGainFocus(){
 }
 
 void ScintillaWX::DoGainFocus(){

-    ShowCaretAtCurrentPosition();
+    focusEvent = true;
+    SetFocusState(true);
+    focusEvent = false;

 }
 
 void ScintillaWX::DoSysColourChange() {
     InvalidateStyleData();
 }
 
 }
 
 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);
 }
 
     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);
 }
 
     ButtonUp(pt, curTime, ctrl);
 }
 

-void ScintillaWX::DoButtonMove(Point pt) {
+void ScintillaWX::DoLeftButtonMove(Point pt) {

     ButtonMove(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, noSel, true);

 
 

-void ScintillaWX::DoAddChar(char ch) {
-    //bool acActiveBeforeCharAdded = ac.Active();
-    AddChar(ch);
-    //if (acActiveBeforeCharAdded)
-    //    AutoCompleteChanged(ch);
-}
+    pdoc->BeginUndoAction();
+    wxTextDataObject data;
+    bool gotData = false;
+    if (wxTheClipboard->Open()) {
+        wxTheClipboard->UsePrimarySelection(true);
+        gotData = wxTheClipboard->GetData(data);
+        wxTheClipboard->UsePrimarySelection(false);
+        wxTheClipboard->Close();
+    }
+    if (gotData) {
+        wxString   text = wxTextBuffer::Translate(data.GetText(),
+                                                  wxConvertEOLMode(pdoc->eolMode));
+        wxWX2MBbuf buf = (wxWX2MBbuf)wx2stc(text);
+        int        len = strlen(buf);
+        pdoc->InsertString(currentPos, buf, len);
+        SetEmptySelection(currentPos + len);
+    }
+    pdoc->EndUndoAction();
+    NotifyChange();
+    Redraw();
+
+    ShowCaretAtCurrentPosition();
+    EnsureCaretVisible();
+}
+#else
+void ScintillaWX::DoMiddleButtonUp(Point WXUNUSED(pt)) {
+}
+#endif
+
+
+void ScintillaWX::DoAddChar(int 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(const wxKeyEvent& evt, bool* consumed)
+{
+    int key = evt.GetKeyCode();
+    bool shift = evt.ShiftDown(),
+         ctrl  = evt.ControlDown(),
+         alt   = evt.AltDown();
+ 
+    if (ctrl && key >= 1 && key <= 26)
+        key += 'A' - 1;
+
+    switch (key) {
+    case WXK_DOWN:              key = SCK_DOWN;     break;
+    case WXK_UP:                key = SCK_UP;       break;
+    case WXK_LEFT:              key = SCK_LEFT;     break;
+    case WXK_RIGHT:             key = SCK_RIGHT;    break;
+    case WXK_HOME:              key = SCK_HOME;     break;
+    case WXK_END:               key = SCK_END;      break;
+    case WXK_PAGEUP:            // fall through
+    case WXK_PRIOR:             key = SCK_PRIOR;    break;
+    case WXK_PAGEDOWN:          // fall through
+    case WXK_NEXT:              key = SCK_NEXT;     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_RETURN:            key = SCK_RETURN;   break;
+    case WXK_ADD:               // fall through
+    case WXK_NUMPAD_ADD:        key = SCK_ADD;      break;
+    case WXK_SUBTRACT:          // fall through
+    case WXK_NUMPAD_SUBTRACT:   key = SCK_SUBTRACT; break;
+    case WXK_DIVIDE:            // fall through
+    case WXK_NUMPAD_DIVIDE:     key = SCK_DIVIDE;   break;
+    case WXK_CONTROL:           key = 0; break;
+    case WXK_ALT:               key = 0; break;
+    case WXK_SHIFT:             key = 0; break;
+    case WXK_MENU:              key = 0; 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);

 
 

-int  ScintillaWX::DoKeyDown(int key, bool shift, bool ctrl, bool alt) {
-    return KeyDown(key, shift, ctrl, alt);
+    if (key)
+        return rv;
+    else
+        return 1;

 }
 
 
 }
 
 


@@ -425,52 +831,87 @@ void ScintillaWX::DoCommand(int ID) {
 
 
 void ScintillaWX::DoContextMenu(Point pt) {
 
 
 void ScintillaWX::DoContextMenu(Point pt) {

-    ContextMenu(pt);
+    if (displayPopupMenu)
+        ContextMenu(pt);

 }
 
 void ScintillaWX::DoOnListBox() {
     AutoCompleteCompleted();
 }
 
 }
 
 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);
 bool ScintillaWX::DoDropText(long x, long y, const wxString& data) {
     SetDragPosition(invalidPosition);

-    int movePos = PositionFromLocation(Point(x,y));
-    DropAt(movePos, data, dragResult == wxDragMove, FALSE); // TODO: rectangular?
-    return TRUE;
+
+    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());
+    evt.SetEventObject(stc);
+    evt.SetDragResult(dragResult);
+    evt.SetX(x);
+    evt.SetY(y);
+    evt.SetPosition(PositionFromLocation(Point(x,y)));
+    evt.SetDragText(text);
+    stc->GetEventHandler()->ProcessEvent(evt);
+
+    dragResult = evt.GetDragResult();
+    if (dragResult == wxDragMove || dragResult == wxDragCopy) {
+        DropAt(evt.GetPosition(),
+               wx2stc(evt.GetDragText()),
+               dragResult == wxDragMove,
+               false); // TODO: rectangular?
+        return true;
+    }
+    return false;

 }
 
 
 }
 
 

-wxDragResult ScintillaWX::DoDragEnter(wxCoord x, wxCoord y, wxDragResult def) {
-    return 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)));
 }
 
 
 wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) {
     SetDragPosition(PositionFromLocation(Point(x, y)));

-    dragResult = def;
-    return def;
+
+    // Send an event to allow the drag result to be changed
+    wxStyledTextEvent evt(wxEVT_STC_DRAG_OVER, stc->GetId());
+    evt.SetEventObject(stc);
+    evt.SetDragResult(def);
+    evt.SetX(x);
+    evt.SetY(y);
+    evt.SetPosition(PositionFromLocation(Point(x,y)));
+    stc->GetEventHandler()->ProcessEvent(evt);
+
+    dragResult = evt.GetDragResult();
+    return dragResult;

 }
 
 
 void ScintillaWX::DoDragLeave() {
     SetDragPosition(invalidPosition);
 }
 }
 
 
 void ScintillaWX::DoDragLeave() {
     SetDragPosition(invalidPosition);
 }

-
+#endif

 //----------------------------------------------------------------------
 
 //----------------------------------------------------------------------
 

-// Redraw all of text area. This paint will not be abandoned.
+// Force the whole window to be repainted

 void ScintillaWX::FullPaint() {
 void ScintillaWX::FullPaint() {

-    paintState = painting;
-//      rcPaint = GetTextRectangle();
-//      wxClientDC dc(wMain.GetID());
-//      Surface surfaceWindow;
-//      surfaceWindow.Init(&dc);
-//      Paint(&surfaceWindow, rcPaint);
-//      surfaceWindow.Release();
-    wMain.GetID()->Refresh(FALSE);
-    paintState = notPainting;
+    stc->Refresh(false);
+    stc->Update();

 }
 
 
 }
 
 


@@ -483,7 +924,38 @@ void ScintillaWX::DoScrollToColumn(int column) {
     HorizontalScrollTo(column * vs.spaceWidth);
 }
 
     HorizontalScrollTo(column * vs.spaceWidth);
 }
 

+#ifdef __WXGTK__
+void ScintillaWX::ClipChildren(wxDC& dc, PRectangle 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 && wxSTC_USE_POPUP
+        childRect.SetPosition(tip->GetMyPosition());
+#endif
+        rgn.Subtract(childRect);
+    }
+
+    dc.SetClippingRegion(rgn);
+}
+#else
+void ScintillaWX::ClipChildren(wxDC& WXUNUSED(dc), PRectangle WXUNUSED(rect)) {
+}
+#endif

 
 
 
 

+void ScintillaWX::SetUseAntiAliasing(bool useAA) {
+    vs.extraFontFlag = useAA;
+    InvalidateStyleRedraw();
+}
+
+bool ScintillaWX::GetUseAntiAliasing() {
+    return vs.extraFontFlag;
+}
+

 //----------------------------------------------------------------------
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------