src/stc/ScintillaWX.cpp

////////////////////////////////////////////////////////////////////////////
// Name:        ScintillaWX.cxx
// Purpose:     A wxWindows 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
//              object of type wxStyledTextCtrl to function.
//
// Author:      Robin Dunn
//
// Created:     13-Jan-2000
// RCS-ID:      $Id$
// Copyright:   (c) 2000 by Total Control Software
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

#include <ctype.h>

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


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

const int H_SCROLL_MAX  = 2000;
const int H_SCROLL_STEP = 20;
const int H_SCROLL_PAGE = 200;

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

class wxSTCTimer : public wxTimer {
public:
    wxSTCTimer(ScintillaWX* swx) {
        this->swx = swx;
    }

    void Notify() {
        swx->DoTick();
    }

private:
    ScintillaWX* swx;
};


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

wxDragResult  wxSTCDropTarget::OnEnter(wxCoord x, wxCoord y, wxDragResult def) {
    return swx->DoDragEnter(x, y, def);
}

wxDragResult  wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def) {
    return swx->DoDragOver(x, y, def);
}

void  wxSTCDropTarget::OnLeave() {
    swx->DoDragLeave();
}
#endif


class wxSTCCallTip : public wxWindow {
public:
    wxSTCCallTip(wxWindow* parent, int ID, CallTip* ct)
        : wxWindow(parent, ID)
        {
            m_ct = ct;
        }

    void OnPaint(wxPaintEvent& evt) {
        wxPaintDC dc(this);
        Surface surfaceWindow;
        surfaceWindow.Init(&dc);
        m_ct->PaintCT(&surfaceWindow);
        surfaceWindow.Release();
    }

    CallTip*    m_ct;
    DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(wxSTCCallTip, wxWindow)
    EVT_PAINT(wxSTCCallTip::OnPaint)
END_EVENT_TABLE()

//----------------------------------------------------------------------
// Constructor/Destructor


ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
    capturedMouse = false;
    wMain = win;
    stc   = win;
    wheelRotation = 0;
    Initialise();
}


ScintillaWX::~ScintillaWX() {
    SetTicking(false);
}

//----------------------------------------------------------------------
// base class virtuals


void ScintillaWX::Initialise() {
    //ScintillaBase::Initialise();
#if wxUSE_DRAG_AND_DROP
    dropTarget = new wxSTCDropTarget;
    dropTarget->SetScintilla(this);
    stc->SetDropTarget(dropTarget);
#endif
}


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


void ScintillaWX::StartDrag() {
#if wxUSE_DRAG_AND_DROP
    wxString dragText(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(wMain.GetID());
        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
}


void ScintillaWX::SetTicking(bool on) {
    wxSTCTimer* steTimer;
    if (timer.ticking != on) {
        timer.ticking = on;
        if (timer.ticking) {
            steTimer = new wxSTCTimer(this);
            steTimer->Start(timer.tickSize);
            timer.tickerID = (int)steTimer;
        } else {
            steTimer = (wxSTCTimer*)timer.tickerID;
            steTimer->Stop();
            delete steTimer;
            timer.tickerID = 0;
        }
    }
    timer.ticksToWait = caret.period;
}


void ScintillaWX::SetMouseCapture(bool on) {
    if (on && !capturedMouse)
        wMain.GetID()->CaptureMouse();
    else if (!on && capturedMouse)
        wMain.GetID()->ReleaseMouse();
    capturedMouse = on;
}


bool ScintillaWX::HaveMouseCapture() {
    return capturedMouse;
}


void ScintillaWX::ScrollText(int linesToMove) {
    int dy = vs.lineHeight * (linesToMove);
    wMain.GetID()->ScrollWindow(0, dy);
    wMain.GetID()->Update();
}

void ScintillaWX::SetVerticalScrollPos() {
    wMain.GetID()->SetScrollPos(wxVERTICAL, topLine);
}

void ScintillaWX::SetHorizontalScrollPos() {
    wMain.GetID()->SetScrollPos(wxHORIZONTAL, xOffset);
}


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;
    }

    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;
    }
    return modified;
}


void ScintillaWX::NotifyChange() {
    stc->NotifyChange();
}


void ScintillaWX::NotifyParent(SCNotification scn) {
    stc->NotifyParent(&scn);
}


void ScintillaWX::Copy() {
    if (currentPos != anchor) {
        SelectionText st;
        CopySelectionRange(&st);
        wxTheClipboard->Open();
        wxTheClipboard->SetData(new wxTextDataObject(wxString(st.s, st.len)));
        wxTheClipboard->Close();
    }
}


void ScintillaWX::Paste() {
    pdoc->BeginUndoAction();
    ClearSelection();

    wxTextDataObject data;
    bool gotData;

    wxTheClipboard->Open();
    gotData = wxTheClipboard->GetData(data);
    wxTheClipboard->Close();
    if (gotData) {
        wxString str = data.GetText();
        int      len = str.Length();
        pdoc->InsertString(currentPos, str.c_str(), len);
        SetEmptySelection(currentPos + len);
    }

    pdoc->EndUndoAction();
    NotifyChange();
    Redraw();
}


bool ScintillaWX::CanPaste() {
    bool canPaste;

    wxTheClipboard->Open();
    canPaste = wxTheClipboard->IsSupported( wxDF_TEXT );
    wxTheClipboard->Close();

    return canPaste;
}

void ScintillaWX::CreateCallTipWindow(PRectangle) {
    ct.wCallTip = new wxSTCCallTip(wMain.GetID(), -1, &ct);
    ct.wDraw = ct.wCallTip;
}


void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
    if (!label[0])
        popup.GetID()->AppendSeparator();
    else
        popup.GetID()->Append(cmd, label);

    if (!enabled)
        popup.GetID()->Enable(cmd, enabled);
}


void ScintillaWX::ClaimSelection() {

}


long ScintillaWX::DefWndProc(unsigned int /*iMessage*/, unsigned long /*wParam*/, long /*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;
}


//----------------------------------------------------------------------
// Event delegates

void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {

    paintState = painting;
    Surface surfaceWindow;
    surfaceWindow.Init(dc);
    PRectangle rcPaint = PRectangleFromwxRect(rect);
    dc->BeginDrawing();
    Paint(&surfaceWindow, rcPaint);
    dc->EndDrawing();
    surfaceWindow.Release();
    if (paintState == paintAbandoned) {
        // Painting area was insufficient to cover new styling or brace highlight positions
        FullPaint();
    }
    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;
    if (type == wxEVT_SCROLLWIN_LINEUP)
        xPos -= H_SCROLL_STEP;
    else if (type == wxEVT_SCROLLWIN_LINEDOWN)
        xPos += H_SCROLL_STEP;
    else if (type == wxEVT_SCROLLWIN_PAGEUP)
        xPos -= H_SCROLL_PAGE;
    else if (type == wxEVT_SCROLLWIN_PAGEDOWN)
        xPos += H_SCROLL_PAGE;
    else if (type == wxEVT_SCROLLWIN_TOP)
        xPos = 0;
    else if (type == wxEVT_SCROLLWIN_BOTTOM)
        xPos = H_SCROLL_MAX;
    else if (type == wxEVT_SCROLLWIN_THUMBTRACK)
        xPos = pos;

    HorizontalScrollTo(xPos);
}

void ScintillaWX::DoVScroll(int type, int pos) {
    int topLineNew = topLine;
    if (type == wxEVT_SCROLLWIN_LINEUP)
        topLineNew -= 1;
    else if (type == wxEVT_SCROLLWIN_LINEDOWN)
        topLineNew += 1;
    else if (type ==  wxEVT_SCROLLWIN_PAGEUP)
        topLineNew -= LinesToScroll();
    else if (type ==  wxEVT_SCROLLWIN_PAGEDOWN)
        topLineNew += LinesToScroll();
    else if (type ==  wxEVT_SCROLLWIN_TOP)
        topLineNew = 0;
    else if (type ==  wxEVT_SCROLLWIN_BOTTOM)
        topLineNew = MaxScrollPos();
    else if (type ==   wxEVT_SCROLLWIN_THUMBTRACK)
        topLineNew = pos;

    ScrollTo(topLineNew);
}


void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction, int ctrlDown) {
    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
        wheelRotation += rotation;
        lines = wheelRotation / delta;
        wheelRotation -= lines * delta;
        if (lines != 0) {
            lines *= linesPerAction;
            topLineNew -= lines;
            ScrollTo(topLineNew);
        }
    }
}


void ScintillaWX::DoSize(int width, int height) {
    PRectangle rcClient(0,0,width,height);
    SetScrollBarsTo(rcClient);
    DropGraphics();
}

void ScintillaWX::DoLoseFocus(){
    SetFocusState(false);
}

void ScintillaWX::DoGainFocus(){
    SetFocusState(true);
}

void ScintillaWX::DoSysColourChange() {
    InvalidateStyleData();
}

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

void ScintillaWX::DoButtonMove(Point pt) {
    ButtonMove(pt);
}


void ScintillaWX::DoAddChar(char ch) {
    AddChar(ch);
}

int  ScintillaWX::DoKeyDown(int key, bool shift, bool ctrl, bool alt, bool* consumed) {
#ifdef __WXGTK__
    // Ctrl chars (A-Z) end up with the wrong keycode on wxGTK...
    if (ctrl && key >= 1 && key <= 26)
        key += 'A' - 1;
#endif

    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_PRIOR: key = SCK_PRIOR; break;
    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:
    case WXK_NUMPAD_ADD:
        key = SCK_ADD; break;
    case WXK_SUBTRACT:
    case WXK_NUMPAD_SUBTRACT:
        key = SCK_SUBTRACT; break;
    case WXK_DIVIDE:
    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;
    }

    int rv = KeyDown(key, shift, ctrl, alt, consumed);

    if (key)
        return rv;
    else
        return 1;
}


void ScintillaWX::DoCommand(int ID) {
    Command(ID);
}


void ScintillaWX::DoContextMenu(Point pt) {
    ContextMenu(pt);
}

void ScintillaWX::DoOnListBox() {
    AutoCompleteCompleted();
}

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

#if wxUSE_DRAG_AND_DROP
bool ScintillaWX::DoDropText(long x, long y, const wxString& data) {
    SetDragPosition(invalidPosition);

    // 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(data);
    stc->GetEventHandler()->ProcessEvent(evt);

    dragResult = evt.GetDragResult();
    if (dragResult == wxDragMove || dragResult == wxDragCopy) {
        DropAt(evt.GetPosition(),
               evt.GetDragText(),
               dragResult == wxDragMove,
               FALSE); // TODO: rectangular?
        return TRUE;
    }
    return FALSE;
}


wxDragResult ScintillaWX::DoDragEnter(wxCoord x, wxCoord y, wxDragResult def) {
    dragResult = def;
    return dragResult;
}


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

    // 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);
}
#endif
//----------------------------------------------------------------------

// Redraw all of text area. This paint will not be abandoned.
void ScintillaWX::FullPaint() {
    paintState = painting;
    rcPaint = GetTextRectangle();
    paintingAllText = true;
    wxClientDC dc(wMain.GetID());
    Surface surfaceWindow;
    surfaceWindow.Init(&dc);
    Paint(&surfaceWindow, rcPaint);
    surfaceWindow.Release();

//     wMain.GetID()->Refresh(FALSE);

    paintState = notPainting;
}


void ScintillaWX::DoScrollToLine(int line) {
    ScrollTo(line);
}


void ScintillaWX::DoScrollToColumn(int column) {
    HorizontalScrollTo(column * vs.spaceWidth);
}


//----------------------------------------------------------------------
//----------------------------------------------------------------------
Commit	Line	Data
	1	////////////////////////////////////////////////////////////////////////////
	2	// Name: ScintillaWX.cxx
	3	// Purpose: A wxWindows 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 <ctype.h>
	18
	19	#include "ScintillaWX.h"
	20	#include "wx/stc/stc.h"
	21
	22
	23	//----------------------------------------------------------------------
	24
	25	const int H_SCROLL_MAX = 2000;
	26	const int H_SCROLL_STEP = 20;
	27	const int H_SCROLL_PAGE = 200;
	28
	29	//----------------------------------------------------------------------
	30	// Helper classes
	31
	32	class wxSTCTimer : public wxTimer {
	33	public:
	34	wxSTCTimer(ScintillaWX* swx) {
	35	this->swx = swx;
	36	}
	37
	38	void Notify() {
	39	swx->DoTick();
	40	}
	41
	42	private:
	43	ScintillaWX* swx;
	44	};
	45
	46
	47	#if wxUSE_DRAG_AND_DROP
	48	bool wxSTCDropTarget::OnDropText(wxCoord x, wxCoord y, const wxString& data) {
	49	return swx->DoDropText(x, y, data);
	50	}
	51
	52	wxDragResult wxSTCDropTarget::OnEnter(wxCoord x, wxCoord y, wxDragResult def) {
	53	return swx->DoDragEnter(x, y, def);
	54	}
	55
	56	wxDragResult wxSTCDropTarget::OnDragOver(wxCoord x, wxCoord y, wxDragResult def) {
	57	return swx->DoDragOver(x, y, def);
	58	}
	59
	60	void wxSTCDropTarget::OnLeave() {
	61	swx->DoDragLeave();
	62	}
	63	#endif
	64
	65
	66	class wxSTCCallTip : public wxWindow {
	67	public:
	68	wxSTCCallTip(wxWindow* parent, int ID, CallTip* ct)
	69	: wxWindow(parent, ID)
	70	{
	71	m_ct = ct;
	72	}
	73
	74	void OnPaint(wxPaintEvent& evt) {
	75	wxPaintDC dc(this);
	76	Surface surfaceWindow;
	77	surfaceWindow.Init(&dc);
	78	m_ct->PaintCT(&surfaceWindow);
	79	surfaceWindow.Release();
	80	}
	81
	82	CallTip* m_ct;
	83	DECLARE_EVENT_TABLE()
	84	};
	85
	86	BEGIN_EVENT_TABLE(wxSTCCallTip, wxWindow)
	87	EVT_PAINT(wxSTCCallTip::OnPaint)
	88	END_EVENT_TABLE()
	89
	90	//----------------------------------------------------------------------
	91	// Constructor/Destructor
	92
	93
	94	ScintillaWX::ScintillaWX(wxStyledTextCtrl* win) {
	95	capturedMouse = false;
	96	wMain = win;
	97	stc = win;
	98	wheelRotation = 0;
	99	Initialise();
	100	}
	101
	102
	103	ScintillaWX::~ScintillaWX() {
	104	SetTicking(false);
	105	}
	106
	107	//----------------------------------------------------------------------
	108	// base class virtuals
	109
	110
	111	void ScintillaWX::Initialise() {
	112	//ScintillaBase::Initialise();
	113	#if wxUSE_DRAG_AND_DROP
	114	dropTarget = new wxSTCDropTarget;
	115	dropTarget->SetScintilla(this);
	116	stc->SetDropTarget(dropTarget);
	117	#endif
	118	}
	119
	120
	121	void ScintillaWX::Finalise() {
	122	ScintillaBase::Finalise();
	123	}
	124
	125
	126	void ScintillaWX::StartDrag() {
	127	#if wxUSE_DRAG_AND_DROP
	128	wxString dragText(drag.s, drag.len);
	129
	130	// Send an event to allow the drag text to be changed
	131	wxStyledTextEvent evt(wxEVT_STC_START_DRAG, stc->GetId());
	132	evt.SetEventObject(stc);
	133	evt.SetDragText(dragText);
	134	evt.SetDragAllowMove(TRUE);
	135	evt.SetPosition(wxMin(stc->GetSelectionStart(),
	136	stc->GetSelectionEnd()));
	137	stc->GetEventHandler()->ProcessEvent(evt);
	138	dragText = evt.GetDragText();
	139
	140	if (dragText.Length()) {
	141	wxDropSource source(wMain.GetID());
	142	wxTextDataObject data(dragText);
	143	wxDragResult result;
	144
	145	source.SetData(data);
	146	dropWentOutside = TRUE;
	147	result = source.DoDragDrop(evt.GetDragAllowMove());
	148	if (result == wxDragMove && dropWentOutside)
	149	ClearSelection();
	150	inDragDrop = FALSE;
	151	SetDragPosition(invalidPosition);
	152	}
	153	#endif
	154	}
	155
	156
	157	void ScintillaWX::SetTicking(bool on) {
	158	wxSTCTimer* steTimer;
	159	if (timer.ticking != on) {
	160	timer.ticking = on;
	161	if (timer.ticking) {
	162	steTimer = new wxSTCTimer(this);
	163	steTimer->Start(timer.tickSize);
	164	timer.tickerID = (int)steTimer;
	165	} else {
	166	steTimer = (wxSTCTimer*)timer.tickerID;
	167	steTimer->Stop();
	168	delete steTimer;
	169	timer.tickerID = 0;
	170	}
	171	}
	172	timer.ticksToWait = caret.period;
	173	}
	174
	175
	176	void ScintillaWX::SetMouseCapture(bool on) {
	177	if (on && !capturedMouse)
	178	wMain.GetID()->CaptureMouse();
	179	else if (!on && capturedMouse)
	180	wMain.GetID()->ReleaseMouse();
	181	capturedMouse = on;
	182	}
	183
	184
	185	bool ScintillaWX::HaveMouseCapture() {
	186	return capturedMouse;
	187	}
	188
	189
	190	void ScintillaWX::ScrollText(int linesToMove) {
	191	int dy = vs.lineHeight * (linesToMove);
	192	wMain.GetID()->ScrollWindow(0, dy);
	193	wMain.GetID()->Update();
	194	}
	195
	196	void ScintillaWX::SetVerticalScrollPos() {
	197	wMain.GetID()->SetScrollPos(wxVERTICAL, topLine);
	198	}
	199
	200	void ScintillaWX::SetHorizontalScrollPos() {
	201	wMain.GetID()->SetScrollPos(wxHORIZONTAL, xOffset);
	202	}
	203
	204
	205	bool ScintillaWX::ModifyScrollBars(int nMax, int nPage) {
	206	bool modified = false;
	207	int sbMax = wMain.GetID()->GetScrollRange(wxVERTICAL);
	208	int sbThumb = wMain.GetID()->GetScrollThumb(wxVERTICAL);
	209	int sbPos = wMain.GetID()->GetScrollPos(wxVERTICAL);
	210
	211
	212	if (sbMax != nMax \|\| sbThumb != nPage) {
	213	wMain.GetID()->SetScrollbar(wxVERTICAL, sbPos, nPage, nMax);
	214	modified = true;
	215	}
	216
	217	sbMax = wMain.GetID()->GetScrollRange(wxHORIZONTAL);
	218	sbThumb = wMain.GetID()->GetScrollThumb(wxHORIZONTAL);
	219	if ((sbMax != H_SCROLL_MAX) \|\| (sbThumb != H_SCROLL_STEP)) {
	220	wMain.GetID()->SetScrollbar(wxHORIZONTAL, 0, H_SCROLL_STEP, H_SCROLL_MAX);
	221	modified = true;
	222	}
	223	return modified;
	224	}
	225
	226
	227	void ScintillaWX::NotifyChange() {
	228	stc->NotifyChange();
	229	}
	230
	231
	232	void ScintillaWX::NotifyParent(SCNotification scn) {
	233	stc->NotifyParent(&scn);
	234	}
	235
	236
	237
	238	void ScintillaWX::Copy() {
	239	if (currentPos != anchor) {
	240	SelectionText st;
	241	CopySelectionRange(&st);
	242	wxTheClipboard->Open();
	243	wxTheClipboard->SetData(new wxTextDataObject(wxString(st.s, st.len)));
	244	wxTheClipboard->Close();
	245	}
	246	}
	247
	248
	249	void ScintillaWX::Paste() {
	250	pdoc->BeginUndoAction();
	251	ClearSelection();
	252
	253	wxTextDataObject data;
	254	bool gotData;
	255
	256	wxTheClipboard->Open();
	257	gotData = wxTheClipboard->GetData(data);
	258	wxTheClipboard->Close();
	259	if (gotData) {
	260	wxString str = data.GetText();
	261	int len = str.Length();
	262	pdoc->InsertString(currentPos, str.c_str(), len);
	263	SetEmptySelection(currentPos + len);
	264	}
	265
	266	pdoc->EndUndoAction();
	267	NotifyChange();
	268	Redraw();
	269	}
	270
	271
	272	bool ScintillaWX::CanPaste() {
	273	bool canPaste;
	274
	275	wxTheClipboard->Open();
	276	canPaste = wxTheClipboard->IsSupported( wxDF_TEXT );
	277	wxTheClipboard->Close();
	278
	279	return canPaste;
	280	}
	281
	282	void ScintillaWX::CreateCallTipWindow(PRectangle) {
	283	ct.wCallTip = new wxSTCCallTip(wMain.GetID(), -1, &ct);
	284	ct.wDraw = ct.wCallTip;
	285	}
	286
	287
	288	void ScintillaWX::AddToPopUp(const char *label, int cmd, bool enabled) {
	289	if (!label[0])
	290	popup.GetID()->AppendSeparator();
	291	else
	292	popup.GetID()->Append(cmd, label);
	293
	294	if (!enabled)
	295	popup.GetID()->Enable(cmd, enabled);
	296	}
	297
	298
	299	void ScintillaWX::ClaimSelection() {
	300
	301	}
	302
	303
	304	long ScintillaWX::DefWndProc(unsigned int /iMessage/, unsigned long /wParam/, long /lParam/) {
	305	return 0;
	306	}
	307
	308	long ScintillaWX::WndProc(unsigned int iMessage, unsigned long wParam, long lParam) {
	309	// switch (iMessage) {
	310	// case EM_CANPASTE:
	311	// return CanPaste();
	312	// default:
	313	return ScintillaBase::WndProc(iMessage, wParam, lParam);
	314	// }
	315	// return 0;
	316	}
	317
	318
	319
	320	//----------------------------------------------------------------------
	321	// Event delegates
	322
	323	void ScintillaWX::DoPaint(wxDC* dc, wxRect rect) {
	324
	325	paintState = painting;
	326	Surface surfaceWindow;
	327	surfaceWindow.Init(dc);
	328	PRectangle rcPaint = PRectangleFromwxRect(rect);
	329	dc->BeginDrawing();
	330	Paint(&surfaceWindow, rcPaint);
	331	dc->EndDrawing();
	332	surfaceWindow.Release();
	333	if (paintState == paintAbandoned) {
	334	// Painting area was insufficient to cover new styling or brace highlight positions
	335	FullPaint();
	336	}
	337	paintState = notPainting;
	338	#ifdef __WXGTK__
	339	// On wxGTK the editor window paints can overwrite the listbox...
	340	if (ac.Active())
	341	((wxWindow*)ac.lb.GetID())->Refresh(TRUE);
	342	#endif
	343	}
	344
	345
	346	void ScintillaWX::DoHScroll(int type, int pos) {
	347	int xPos = xOffset;
	348	if (type == wxEVT_SCROLLWIN_LINEUP)
	349	xPos -= H_SCROLL_STEP;
	350	else if (type == wxEVT_SCROLLWIN_LINEDOWN)
	351	xPos += H_SCROLL_STEP;
	352	else if (type == wxEVT_SCROLLWIN_PAGEUP)
	353	xPos -= H_SCROLL_PAGE;
	354	else if (type == wxEVT_SCROLLWIN_PAGEDOWN)
	355	xPos += H_SCROLL_PAGE;
	356	else if (type == wxEVT_SCROLLWIN_TOP)
	357	xPos = 0;
	358	else if (type == wxEVT_SCROLLWIN_BOTTOM)
	359	xPos = H_SCROLL_MAX;
	360	else if (type == wxEVT_SCROLLWIN_THUMBTRACK)
	361	xPos = pos;
	362
	363	HorizontalScrollTo(xPos);
	364	}
	365
	366	void ScintillaWX::DoVScroll(int type, int pos) {
	367	int topLineNew = topLine;
	368	if (type == wxEVT_SCROLLWIN_LINEUP)
	369	topLineNew -= 1;
	370	else if (type == wxEVT_SCROLLWIN_LINEDOWN)
	371	topLineNew += 1;
	372	else if (type == wxEVT_SCROLLWIN_PAGEUP)
	373	topLineNew -= LinesToScroll();
	374	else if (type == wxEVT_SCROLLWIN_PAGEDOWN)
	375	topLineNew += LinesToScroll();
	376	else if (type == wxEVT_SCROLLWIN_TOP)
	377	topLineNew = 0;
	378	else if (type == wxEVT_SCROLLWIN_BOTTOM)
	379	topLineNew = MaxScrollPos();
	380	else if (type == wxEVT_SCROLLWIN_THUMBTRACK)
	381	topLineNew = pos;
	382
	383	ScrollTo(topLineNew);
	384	}
	385
	386
	387	void ScintillaWX::DoMouseWheel(int rotation, int delta, int linesPerAction, int ctrlDown) {
	388	int topLineNew = topLine;
	389	int lines;
	390
	391	if (ctrlDown) { // Zoom the fonts if Ctrl key down
	392	if (rotation < 0) {
	393	KeyCommand(SCI_ZOOMIN);
	394	}
	395	else {
	396	KeyCommand(SCI_ZOOMOUT);
	397	}
	398	}
	399	else { // otherwise just scroll the window
	400	wheelRotation += rotation;
	401	lines = wheelRotation / delta;
	402	wheelRotation -= lines * delta;
	403	if (lines != 0) {
	404	lines *= linesPerAction;
	405	topLineNew -= lines;
	406	ScrollTo(topLineNew);
	407	}
	408	}
	409	}
	410
	411
	412	void ScintillaWX::DoSize(int width, int height) {
	413	PRectangle rcClient(0,0,width,height);
	414	SetScrollBarsTo(rcClient);
	415	DropGraphics();
	416	}
	417
	418	void ScintillaWX::DoLoseFocus(){
	419	SetFocusState(false);
	420	}
	421
	422	void ScintillaWX::DoGainFocus(){
	423	SetFocusState(true);
	424	}
	425
	426	void ScintillaWX::DoSysColourChange() {
	427	InvalidateStyleData();
	428	}
	429
	430	void ScintillaWX::DoButtonDown(Point pt, unsigned int curTime, bool shift, bool ctrl, bool alt) {
	431	ButtonDown(pt, curTime, shift, ctrl, alt);
	432	}
	433
	434	void ScintillaWX::DoButtonUp(Point pt, unsigned int curTime, bool ctrl) {
	435	ButtonUp(pt, curTime, ctrl);
	436	}
	437
	438	void ScintillaWX::DoButtonMove(Point pt) {
	439	ButtonMove(pt);
	440	}
	441
	442
	443	void ScintillaWX::DoAddChar(char ch) {
	444	AddChar(ch);
	445	}
	446
	447	int ScintillaWX::DoKeyDown(int key, bool shift, bool ctrl, bool alt, bool* consumed) {
	448	#ifdef __WXGTK__
	449	// Ctrl chars (A-Z) end up with the wrong keycode on wxGTK...
	450	if (ctrl && key >= 1 && key <= 26)
	451	key += 'A' - 1;
	452	#endif
	453
	454	switch (key) {
	455	case WXK_DOWN: key = SCK_DOWN; break;
	456	case WXK_UP: key = SCK_UP; break;
	457	case WXK_LEFT: key = SCK_LEFT; break;
	458	case WXK_RIGHT: key = SCK_RIGHT; break;
	459	case WXK_HOME: key = SCK_HOME; break;
	460	case WXK_END: key = SCK_END; break;
	461	case WXK_PRIOR: key = SCK_PRIOR; break;
	462	case WXK_NEXT: key = SCK_NEXT; break;
	463	case WXK_DELETE: key = SCK_DELETE; break;
	464	case WXK_INSERT: key = SCK_INSERT; break;
	465	case WXK_ESCAPE: key = SCK_ESCAPE; break;
	466	case WXK_BACK: key = SCK_BACK; break;
	467	case WXK_TAB: key = SCK_TAB; break;
	468	case WXK_RETURN: key = SCK_RETURN; break;
	469	case WXK_ADD:
	470	case WXK_NUMPAD_ADD:
	471	key = SCK_ADD; break;
	472	case WXK_SUBTRACT:
	473	case WXK_NUMPAD_SUBTRACT:
	474	key = SCK_SUBTRACT; break;
	475	case WXK_DIVIDE:
	476	case WXK_NUMPAD_DIVIDE:
	477	key = SCK_DIVIDE; break;
	478	case WXK_CONTROL: key = 0; break;
	479	case WXK_ALT: key = 0; break;
	480	case WXK_SHIFT: key = 0; break;
	481	case WXK_MENU: key = 0; break;
	482	}
	483
	484	int rv = KeyDown(key, shift, ctrl, alt, consumed);
	485
	486	if (key)
	487	return rv;
	488	else
	489	return 1;
	490	}
	491
	492
	493	void ScintillaWX::DoCommand(int ID) {
	494	Command(ID);
	495	}
	496
	497
	498	void ScintillaWX::DoContextMenu(Point pt) {
	499	ContextMenu(pt);
	500	}
	501
	502	void ScintillaWX::DoOnListBox() {
	503	AutoCompleteCompleted();
	504	}
	505
	506	//----------------------------------------------------------------------
	507
	508	#if wxUSE_DRAG_AND_DROP
	509	bool ScintillaWX::DoDropText(long x, long y, const wxString& data) {
	510	SetDragPosition(invalidPosition);
	511
	512	// Send an event to allow the drag details to be changed
	513	wxStyledTextEvent evt(wxEVT_STC_DO_DROP, stc->GetId());
	514	evt.SetEventObject(stc);
	515	evt.SetDragResult(dragResult);
	516	evt.SetX(x);
	517	evt.SetY(y);
	518	evt.SetPosition(PositionFromLocation(Point(x,y)));
	519	evt.SetDragText(data);
	520	stc->GetEventHandler()->ProcessEvent(evt);
	521
	522	dragResult = evt.GetDragResult();
	523	if (dragResult == wxDragMove \|\| dragResult == wxDragCopy) {
	524	DropAt(evt.GetPosition(),
	525	evt.GetDragText(),
	526	dragResult == wxDragMove,
	527	FALSE); // TODO: rectangular?
	528	return TRUE;
	529	}
	530	return FALSE;
	531	}
	532
	533
	534	wxDragResult ScintillaWX::DoDragEnter(wxCoord x, wxCoord y, wxDragResult def) {
	535	dragResult = def;
	536	return dragResult;
	537	}
	538
	539
	540	wxDragResult ScintillaWX::DoDragOver(wxCoord x, wxCoord y, wxDragResult def) {
	541	SetDragPosition(PositionFromLocation(Point(x, y)));
	542
	543	// Send an event to allow the drag result to be changed
	544	wxStyledTextEvent evt(wxEVT_STC_DRAG_OVER, stc->GetId());
	545	evt.SetEventObject(stc);
	546	evt.SetDragResult(def);
	547	evt.SetX(x);
	548	evt.SetY(y);
	549	evt.SetPosition(PositionFromLocation(Point(x,y)));
	550	stc->GetEventHandler()->ProcessEvent(evt);
	551
	552	dragResult = evt.GetDragResult();
	553	return dragResult;
	554	}
	555
	556
	557	void ScintillaWX::DoDragLeave() {
	558	SetDragPosition(invalidPosition);
	559	}
	560	#endif
	561	//----------------------------------------------------------------------
	562
	563	// Redraw all of text area. This paint will not be abandoned.
	564	void ScintillaWX::FullPaint() {
	565	paintState = painting;
	566	rcPaint = GetTextRectangle();
	567	paintingAllText = true;
	568	wxClientDC dc(wMain.GetID());
	569	Surface surfaceWindow;
	570	surfaceWindow.Init(&dc);
	571	Paint(&surfaceWindow, rcPaint);
	572	surfaceWindow.Release();
	573
	574	// wMain.GetID()->Refresh(FALSE);
	575
	576	paintState = notPainting;
	577	}
	578
	579
	580	void ScintillaWX::DoScrollToLine(int line) {
	581	ScrollTo(line);
	582	}
	583
	584
	585	void ScintillaWX::DoScrollToColumn(int column) {
	586	HorizontalScrollTo(column * vs.spaceWidth);
	587	}
	588
	589
	590
	591	//----------------------------------------------------------------------
	592	//----------------------------------------------------------------------