platwx.cpp

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    int                 lineHeight;
    bool                unicodeMode;
    int                 desiredVisibleRows;
    int                 aveCharWidth;
    size_t              maxStrWidth;
    Point               location; // Caret location at which the list is opened
    wxImageList*        imgList;
    wxArrayInt*         imgTypeMap;

public:
    ListBoxImpl();
    ~ListBoxImpl();

    virtual void SetFont(Font &font);
    virtual void Create(Window &parent, int ctrlID, Point location_, int lineHeight_, bool unicodeMode_);
    virtual void SetAverageCharWidth(int width);
    virtual void SetVisibleRows(int rows);
    virtual int GetVisibleRows() const;
    virtual PRectangle GetDesiredRect();
    virtual int CaretFromEdge();
    virtual void Clear();
    virtual void Append(char *s, int type = -1);
    virtual void Append(const wxString& text, int type);
    virtual int Length();
    virtual void Select(int n);
    virtual int GetSelection();
    virtual int Find(const char *prefix);
    virtual void GetValue(int n, char *value, int len);
    virtual void RegisterImage(int type, const char *xpm_data);
    virtual void ClearRegisteredImages();
    virtual void SetDoubleClickAction(CallBackAction, void *);
    virtual void SetList(const char* list, char separator, char typesep);
};


ListBoxImpl::ListBoxImpl()
    : lineHeight(10), unicodeMode(false),
      desiredVisibleRows(5), aveCharWidth(8), maxStrWidth(0),
      imgList(NULL), imgTypeMap(NULL)
{
}

ListBoxImpl::~ListBoxImpl() {
    if (imgList) {
        delete imgList;
        imgList = NULL;
    }
    if (imgTypeMap) {
        delete imgTypeMap;
        imgTypeMap = NULL;
    }
}


void ListBoxImpl::SetFont(Font &font) {
    GETLB(id)->SetFont(*((wxFont*)font.GetID()));
}


void ListBoxImpl::Create (Window &parent, int ctrlID, Point location_,
                          int lineHeight_, bool unicodeMode_) {
    lineHeight =  lineHeight_;
    unicodeMode = unicodeMode_;
    maxStrWidth = 0;
    id = new wxSCIListBoxWin (GETWIN(parent.GetID()), ctrlID, location_);
    if (imgList != NULL) GETLB(id)->SetImageList (imgList, wxIMAGE_LIST_SMALL);
}


void ListBoxImpl::SetAverageCharWidth(int width) {
    aveCharWidth = width;
}


void ListBoxImpl::SetVisibleRows(int rows) {
    desiredVisibleRows = rows;
}


int ListBoxImpl::GetVisibleRows() const {
    return desiredVisibleRows;
}


PRectangle ListBoxImpl::GetDesiredRect() {
    // wxListCtrl doesn't have a DoGetBestSize, so instead we kept track of
    // the max size in Append and calculate it here...
    int maxw = maxStrWidth * aveCharWidth;
    int maxh ;

    // give it a default if there are no lines, and/or add a bit more
    if (maxw == 0) maxw = 100;
    maxw += aveCharWidth * 3 +
            GETLBW(id)->IconWidth() + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
    if (maxw > 350)
        maxw = 350;

    // estimate a desired height
    int count = GETLB(id)->GetItemCount();
    if (count) {
        wxRect rect;
        GETLB(id)->GetItemRect(0, rect);
        maxh = count * rect.GetHeight();
        if (maxh > 140)  // TODO:  Use desiredVisibleRows??
            maxh = 140;

        // Try to make the size an exact multiple of some number of lines
        int lines = maxh / rect.GetHeight();
        maxh = (lines + 1) * rect.GetHeight() + 2;
    }
    else
        maxh = 100;

    PRectangle rc;
    rc.top = 0;
    rc.left = 0;
    rc.right = maxw;
    rc.bottom = maxh;
    return rc;
}


int ListBoxImpl::CaretFromEdge() {
    return 4 + GETLBW(id)->IconWidth();
}


void ListBoxImpl::Clear() {
    GETLB(id)->DeleteAllItems();
}


void ListBoxImpl::Append(char *s, int type) {
    Append(sci2wx(s), type);
}
void ListBoxImpl::Append(const wxString& text, int type) {
    long count  = GETLB(id)->GetItemCount();
    long itemID  = GETLB(id)->InsertItem(count, wxEmptyString);
    GETLB(id)->SetItem(itemID, 1, text);
    maxStrWidth = wxMax(maxStrWidth, text.length());
    if (type != -1) {
        wxCHECK_RET(imgTypeMap, wxT("Unexpected NULL imgTypeMap"));
        long idx = imgTypeMap->Item(type);
        GETLB(id)->SetItemImage(itemID, idx, idx);
    }
}


int ListBoxImpl::Length() {
    return GETLB(id)->GetItemCount();
}


void ListBoxImpl::Select(int n) {
    bool select = true;
    if (n == -1) {
        n = 0;
        select = FALSE;
    }
    GETLB(id)->Focus(n);
    GETLB(id)->Select(n, select);
}


int ListBoxImpl::GetSelection() {
    return GETLB(id)->GetFirstSelected();
}


int ListBoxImpl::Find(const char *WXUNUSED(prefix)) {
    // No longer used
    return wxNOT_FOUND;
}


void ListBoxImpl::GetValue(int n, char *value, int len) {
    wxListItem item;
    item.SetId(n);
    item.SetColumn(1);
    item.SetMask(wxLIST_MASK_TEXT);
    GETLB(id)->GetItem(item);
    strncpy(value, wx2sci(item.GetText()), len);
    value[len-1] = '\0';
}


void ListBoxImpl::RegisterImage(int type, const char *xpm_data) {
    wxMemoryInputStream stream(xpm_data, strlen(xpm_data)+1);
    wxImage img(stream, wxBITMAP_TYPE_XPM);
    wxBitmap bmp(img);

    if (! imgList) {
        // assumes all images are the same size
        imgList = new wxImageList(bmp.GetWidth(), bmp.GetHeight(), true);
        imgTypeMap = new wxArrayInt;
    }

    int idx = imgList->Add(bmp);

    // do we need to extend the mapping array?
    wxArrayInt& itm = *imgTypeMap;
    if ( itm.GetCount() < (size_t)type+1)
        itm.Add(-1, type - itm.GetCount() + 1);

    // Add an item that maps type to the image index
    itm[type] = idx;
}

void ListBoxImpl::ClearRegisteredImages() {
    if (imgList) {
        delete imgList;
        imgList = NULL;
    }
    if (imgTypeMap) {
        delete imgTypeMap;
        imgTypeMap = NULL;
    }
    if (id) GETLB(id)->SetImageList(NULL, wxIMAGE_LIST_SMALL);
}


void ListBoxImpl::SetDoubleClickAction(CallBackAction action, void *data) {
    GETLBW(id)->SetDoubleClickAction(action, data);
}

void ListBoxImpl::SetList(const char* list, char separator, char typesep) {
    GETLB(id)->Freeze();
    Clear();
    wxStringTokenizer tkzr(sci2wx(list), (wxChar)separator);
    while (tkzr.HasMoreTokens()) {
        wxString token = tkzr.GetNextToken();
        long type = -1;
        int pos = token.Find(typesep);
        if (pos != -1) {
            token.Mid(pos+1).ToLong(&type);
            token.Truncate(pos);
        }
        Append (token, (int)type);
    }
    GETLB(id)->Thaw();
}


ListBox::ListBox() {
}

ListBox::~ListBox() {
}

ListBox *ListBox::Allocate() {
    return new ListBoxImpl();
}

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

Menu::Menu() : id(0) {
}

void Menu::CreatePopUp() {
    Destroy();
    id = new wxMenu();
}

void Menu::Destroy() {
    if (id)
        delete (wxMenu*)id;
    id = 0;
}

void Menu::Show(Point pt, Window &w) {
    GETWIN(w.GetID())->PopupMenu((wxMenu*)id, pt.x - 4, pt.y);
    Destroy();
}

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

DynamicLibrary *DynamicLibrary::Load(const char *WXUNUSED(modulePath)) {
    wxFAIL_MSG(wxT("Dynamic lexer loading not implemented yet"));
    return NULL;
}

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

ColourDesired Platform::Chrome() {
    wxColour c;
    c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
    return ColourDesired(c.Red(), c.Green(), c.Blue());
}

ColourDesired Platform::ChromeHighlight() {
    wxColour c;
    c = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT);
    return ColourDesired(c.Red(), c.Green(), c.Blue());
}

const char *Platform::DefaultFont() {
    static char buf[128];
    strcpy(buf, wxNORMAL_FONT->GetFaceName().mbc_str());
    return buf;
}

int Platform::DefaultFontSize() {
    return wxNORMAL_FONT->GetPointSize();
}

unsigned int Platform::DoubleClickTime() {
    return 500;   // **** ::GetDoubleClickTime();
}

bool Platform::MouseButtonBounce() {
    return FALSE;
}
void Platform::DebugDisplay(const char *s) {
    wxLogDebug(sci2wx(s));
}

bool Platform::IsKeyDown(int WXUNUSED(key)) {
    return false;  // I don't think we'll need this.
}

long Platform::SendScintilla(WindowID w,
                             unsigned int msg,
                             unsigned long wParam,
                             long lParam) {

    wxScintilla* sci = (wxScintilla*)w;
    return sci->SendMsg(msg, wParam, lParam);
}

long Platform::SendScintillaPointer(WindowID w,
                                    unsigned int msg,
                                    unsigned long wParam,
                                    void *lParam) {

    wxScintilla* sci = (wxScintilla*)w;
    return sci->SendMsg(msg, wParam, (long)lParam);
}


// These are utility functions not really tied to a platform

int Platform::Minimum(int a, int b) {
    if (a < b)
        return a;
    else
        return b;
}

int Platform::Maximum(int a, int b) {
    if (a > b)
        return a;
    else
        return b;
}

#define TRACE

void Platform::DebugPrintf(const char *format, ...) {
#ifdef TRACE
    char buffer[2000];
    va_list pArguments;
    va_start(pArguments, format);
    vsprintf(buffer,format,pArguments);
    va_end(pArguments);
    Platform::DebugDisplay(buffer);
#endif
}


static bool assertionPopUps = true;

bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
    bool ret = assertionPopUps;
    assertionPopUps = assertionPopUps_;
    return ret;
}

void Platform::Assert(const char *c, const char *file, int line) {
    char buffer[2000];
    sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
    if (assertionPopUps) {
            /*int idButton = */
            wxMessageBox(sci2wx(buffer),
                         wxT("Assertion failure"),
                         wxICON_HAND | wxOK);
//          if (idButton == IDRETRY) {
//              ::DebugBreak();
//          } else if (idButton == IDIGNORE) {
//              // all OK
//          } else {
//              abort();
//          }
    } else {
        strcat(buffer, "\r\n");
        Platform::DebugDisplay(buffer);
        abort();
    }
}


int Platform::Clamp(int val, int minVal, int maxVal) {
    if (val > maxVal)
        val = maxVal;
    if (val < minVal)
        val = minVal;
    return val;
}


bool Platform::IsDBCSLeadByte(int WXUNUSED(codePage), char WXUNUSED(ch)) {
    return false;
}

int Platform::DBCSCharLength(int WXUNUSED(codePage), const char *WXUNUSED(s)) {
    return 1;
}

int Platform::DBCSCharMaxLength() {
    return 1;
}


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

ElapsedTime::ElapsedTime() {
    wxLongLong localTime = wxGetLocalTimeMillis();
    littleBit = localTime.GetLo();
    bigBit = localTime.GetHi();
}

double ElapsedTime::Duration(bool reset) {
    wxLongLong prevTime(bigBit, littleBit);
    wxLongLong localTime = wxGetLocalTimeMillis();
    if(reset) {
        littleBit = localTime.GetLo();
        bigBit = localTime.GetHi();
    }
    wxLongLong duration = localTime - prevTime;
    double result = duration.ToDouble();
    result /= 1000.0;
    return result;
}


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

#if wxUSE_UNICODE

#include "UniConversion.h"

// Convert using Scintilla's functions instead of wx's, Scintilla's are more
// forgiving and won't assert...

wxString sci2wx(const char* str, size_t len)
{
    if (!len)
        return wxEmptyString;

    size_t wclen = UCS2Length(str, len);
    wxWCharBuffer buffer(wclen+1);

    size_t actualLen = UCS2FromUTF8(str, len, buffer.data(), wclen+1);
    return wxString(buffer.data(), actualLen);
}

const wxWX2MBbuf wx2stc(const wxString& str)
{
    const wchar_t* wcstr = str.c_str();
    size_t wclen         = str.length();
    size_t len           = UTF8Length(wcstr, wclen);

    wxCharBuffer buffer(len+1);
    UTF8FromUCS2(wcstr, wclen, buffer.data(), len);

    // TODO check NULL termination!!

    return buffer;
}

#endif