platwx.cpp

非常好用的可移植的多平台C/C++源代码编辑器

int SurfaceImpl::Ascent(Font &font) {
    SetFont(font);
    int w, h, d, e;
    hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
    font.ascent = h - d;
    return font.ascent;
}

int SurfaceImpl::Descent(Font &font) {
    SetFont(font);
    int w, h, d, e;
    hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
    return d;
}

int SurfaceImpl::InternalLeading(Font &WXUNUSED(font)) {
    return 0;
}

int SurfaceImpl::ExternalLeading(Font &font) {
    SetFont(font);
    int w, h, d, e;
    hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
    return e;
}

int SurfaceImpl::Height(Font &font) {
    SetFont(font);
    return hdc->GetCharHeight() + 1;
}

int SurfaceImpl::AverageCharWidth(Font &font) {
    SetFont(font);
    return hdc->GetCharWidth();
}

int SurfaceImpl::SetPalette(Palette *WXUNUSED(pal), bool WXUNUSED(inBackGround)) {
    return 0;
}

void SurfaceImpl::SetClip(PRectangle rc) {
    hdc->SetClippingRegion(wxRectFromPRectangle(rc));
}

void SurfaceImpl::FlushCachedState() {
}

void SurfaceImpl::SetUnicodeMode(bool unicodeMode_) {
    unicodeMode=unicodeMode_;
}

void SurfaceImpl::SetDBCSMode(int WXUNUSED(codePage)) {
    // dbcsMode = codePage == SC_CP_DBCS;
}


Surface *Surface::Allocate() {
    return new SurfaceImpl;
}


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


inline wxWindow* GETWIN(WindowID id) { return (wxWindow*)id; }

Window::~Window() {
}

void Window::Destroy() {
    if (id) {
        Show(FALSE);
        GETWIN(id)->Destroy();
    }
    id = 0;
}

bool Window::HasFocus() {
    return wxWindow::FindFocus() == GETWIN(id);
}

PRectangle Window::GetPosition() {
    if (! id) return PRectangle();
    wxRect rc(GETWIN(id)->GetPosition(), GETWIN(id)->GetSize());
    return PRectangleFromwxRect(rc);
}

void Window::SetPosition(PRectangle rc) {
    wxRect r = wxRectFromPRectangle(rc);
    GETWIN(id)->SetSize(r);
}

void Window::SetPositionRelative(PRectangle rc, Window) {
    SetPosition(rc);  // ????
}

PRectangle Window::GetClientPosition() {
    if (! id) return PRectangle();
    wxSize sz = GETWIN(id)->GetClientSize();
    return  PRectangle(0, 0, sz.x, sz.y);
}

void Window::Show(bool show) {
    GETWIN(id)->Show(show);
}

void Window::InvalidateAll() {
    GETWIN(id)->Refresh(false);
    wxWakeUpIdle();
}

void Window::InvalidateRectangle(PRectangle rc) {
    wxRect r = wxRectFromPRectangle(rc);
    GETWIN(id)->Refresh(false, &r);
    wxWakeUpIdle();
}

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

void Window::SetCursor(Cursor curs) {
    int cursorId;

    switch (curs) {
    case cursorText:
        cursorId = wxCURSOR_IBEAM;
        break;
    case cursorArrow:
        cursorId = wxCURSOR_ARROW;
        break;
    case cursorUp:
        cursorId = wxCURSOR_ARROW; // ** no up arrow...  wxCURSOR_UPARROW;
        break;
    case cursorWait:
        cursorId = wxCURSOR_WAIT;
        break;
    case cursorHoriz:
        cursorId = wxCURSOR_SIZEWE;
        break;
    case cursorVert:
        cursorId = wxCURSOR_SIZENS;
        break;
    case cursorReverseArrow:
        cursorId = wxCURSOR_RIGHT_ARROW;
        break;
    case cursorHand:
        cursorId = wxCURSOR_HAND;
        break;
    default:
        cursorId = wxCURSOR_ARROW;
        break;
    }
#ifdef __WXMOTIF__
       wxCursor wc = wxStockCursor(cursorId) ;
#else
       wxCursor wc = wxCursor(cursorId) ;
#endif
       GETWIN(id)->SetCursor(wc);
}


void Window::SetTitle(const char *s) {
    GETWIN(id)->SetTitle(sci2wx(s));
}


//----------------------------------------------------------------------
// Helper classes for ListBox


// This is a simple subclass of wxListView that just resets focus to the
// parent when it gets it.
class wxSCIListBox : public wxListView {
public:
    wxSCIListBox (wxWindow* parent, wxWindowID id,
                  const wxPoint& pos, const wxSize& size,
                  long style) : wxListView() {
#ifdef __WXMSW__
        Hide(); // don't flicker as we move it around...
#endif
        Create(parent, id, pos, size, style);
    }

    void OnFocus(wxFocusEvent& event) {
        GetParent()->SetFocus();
        event.Skip();
    }

    void OnKillFocus(wxFocusEvent& WXUNUSED(event)) {
        // Do nothing.  Prevents base class from resetting the colors...
    }

#ifdef __WXMAC__
    // For some reason I don't understand yet the focus doesn't really leave
    // the listbox like it should, so if we get any events feed them back to
    // the wxSintilla
    void OnKeyDown(wxKeyEvent& event) {
        GetGrandParent()->GetEventHandler()->ProcessEvent(event);
    }
    void OnChar(wxKeyEvent& event) {
        GetGrandParent()->GetEventHandler()->ProcessEvent(event);
    }

    // And we need to force the focus back when being destroyed
    ~wxSCIListBox() {
        GetGrandParent()->SetFocus();
    }
#endif

private:
    DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(wxSCIListBox, wxListView)
    EVT_SET_FOCUS( wxSCIListBox::OnFocus)
    EVT_KILL_FOCUS(wxSCIListBox::OnKillFocus)
#ifdef __WXMAC__
    EVT_KEY_DOWN(  wxSCIListBox::OnKeyDown)
    EVT_CHAR(      wxSCIListBox::OnChar)
#endif
END_EVENT_TABLE()


#if wxUSE_POPUPWIN //-----------------------------------
#include <wx/popupwin.h>

// TODO: Refactor these two classes to have a common base (or a mix-in) to get
// rid of the code duplication.  (Either that or convince somebody to
// implement wxPopupWindow for the Mac!!)
//
// In the meantime, be careful to duplicate any changes as needed...

// A popup window to place the wxSCIListBox upon
class wxSCIListBoxWin : public wxPopupWindow
{
private:
    wxListView*         lv;
    CallBackAction      doubleClickAction;
    void*               doubleClickActionData;
public:
    wxSCIListBoxWin(wxWindow* parent, wxWindowID id) :
        wxPopupWindow(parent, wxBORDER_NONE)
    {
        SetBackgroundColour(*wxBLACK);  // for our simple border

        lv = new wxSCIListBox(parent, id, wxDefaultPosition, wxDefaultSize,
                              wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxBORDER_NONE);
        lv->SetCursor(wxCursor(wxCURSOR_ARROW));
        lv->InsertColumn(0, wxEmptyString);
        lv->InsertColumn(1, wxEmptyString);

        // NOTE: We need to fool the wxListView into thinking that it has the
        // focus so it will use the normal selection colour and will look
        // "right" to the user.  But since the wxPopupWindow or its children
        // can't receive focus then we have to pull a fast one and temporarily
        // parent the listctrl on the STC window and then call SetFocus and
        // then reparent it back to the popup.
        lv->SetFocus();
        lv->Reparent(this);
#ifdef __WXMSW__
        lv->Show();
#endif
    }


    // Set position in client coords
    virtual void DoSetSize(int x, int y,
                           int width, int height,
                           int sizeFlags = wxSIZE_AUTO) {
#if !wxCHECK_VERSION(2, 5, 0)
        if (x != -1) {
#else
        if (x != wxDefaultCoord) {
#endif
            GetParent()->ClientToScreen(&x, NULL);
        }
#if !wxCHECK_VERSION(2, 5, 0)
        if (y != -1) {
#else
        if (y != wxDefaultCoord) {
#endif
            GetParent()->ClientToScreen(NULL, &y);
        }
        wxPopupWindow::DoSetSize(x, y, width, height, sizeFlags);
    }

    // return position as if it were in client coords
    virtual void DoGetPosition( int *x, int *y ) const {
        int sx, sy;
        wxPopupWindow::DoGetPosition(&sx, &sy);
        GetParent()->ScreenToClient(&sx, &sy);
        if (x) *x = sx;
        if (y) *y = sy;
    }


    bool Destroy() {
        if ( !wxPendingDelete.Member(this) )
            wxPendingDelete.Append(this);
        return true;
    }


    int IconWidth() {
        wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
        if (il != NULL) {
            int w, h;
            il->GetSize(0, w, h);
            return w;
        }
        return 0;
    }


    void SetDoubleClickAction(CallBackAction action, void *data) {
        doubleClickAction = action;
        doubleClickActionData = data;
    }


    void OnFocus(wxFocusEvent& event) {
        GetParent()->SetFocus();
        event.Skip();
    }

    void OnSize(wxSizeEvent& event) {
        // resize the child
        wxSize sz = GetSize();
        sz.x -= 2;
        sz.y -= 2;
        lv->SetSize(1, 1, sz.x, sz.y);
        // reset the column widths
        lv->SetColumnWidth(0, IconWidth()+4);
        lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
                           wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
        event.Skip();
    }

    void OnActivate(wxListEvent& WXUNUSED(event)) {
        doubleClickAction(doubleClickActionData);
    }

    wxListView* GetLB() { return lv; }

private:
    DECLARE_EVENT_TABLE()

};

BEGIN_EVENT_TABLE(wxSCIListBoxWin, wxPopupWindow)
    EVT_SET_FOCUS          (          wxSCIListBoxWin::OnFocus)
    EVT_SIZE               (          wxSCIListBoxWin::OnSize)
    EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSCIListBoxWin::OnActivate)
END_EVENT_TABLE()

#else // wxUSE_POPUPWIN -----------------------------------

// A normal window to place the wxSCIListBox upon.
class wxSCIListBoxWin : public wxWindow {
private:
    wxListView*         lv;
    CallBackAction      doubleClickAction;
    void*               doubleClickActionData;
public:
    wxSCIListBoxWin(wxWindow* parent, wxWindowID id) :
        wxWindow(parent, id, wxDefaultPosition, wxSize(0,0), wxSIMPLE_BORDER )
    {

        lv = new wxSCIListBox(this, id, wxDefaultPosition, wxDefaultSize,
                              wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxNO_BORDER);
        lv->SetCursor(wxCursor(wxCURSOR_ARROW));
        lv->InsertColumn(0, wxEmptyString);
        lv->InsertColumn(1, wxEmptyString);

        // Eventhough we immediately reset the focus to the parent, this helps
        // things to look right...
        lv->SetFocus();

        Hide();
    }


    // On OSX and (possibly others) there can still be pending
    // messages/events for the list control when Scintilla wants to
    // close it, so do a pending delete of it instead of destroying
    // immediately.
    bool Destroy() {
#ifdef __WXMAC__
        // The bottom edge of this window is not getting properly
        // refreshed upon deletion, so help it out...
        wxWindow* p = GetParent();
        wxRect r(GetPosition(), GetSize());
        r.SetHeight(r.GetHeight()+1);
        p->Refresh(false, &r);
#endif
        if ( !wxPendingDelete.Member(this) )
            wxPendingDelete.Append(this);
        return TRUE;
    }


    int IconWidth() {
        wxImageList* il = lv->GetImageList(wxIMAGE_LIST_SMALL);
        if (il != NULL) {
            int w, h;
            il->GetSize(0, w, h);
            return w;
        }
        return 0;
    }


    void SetDoubleClickAction(CallBackAction action, void *data) {
        doubleClickAction = action;
        doubleClickActionData = data;
    }


    void OnFocus(wxFocusEvent& event) {
        GetParent()->SetFocus();
        event.Skip();
    }

    void OnSize(wxSizeEvent& event) {
        // resize the child
        wxSize sz = GetClientSize();
        lv->SetSize(sz);
        // reset the column widths
        lv->SetColumnWidth(0, IconWidth()+4);
        lv->SetColumnWidth(1, sz.x - 2 - lv->GetColumnWidth(0) -
                           wxSystemSettings::GetMetric(wxSYS_VSCROLL_X));
        event.Skip();
    }

#ifdef __WXMAC__
    virtual bool Show(bool show = true) {
        bool rv = wxWindow::Show(show);
        GetParent()->Refresh(false);
        return rv;
    }
#endif

    void OnActivate(wxListEvent& WXUNUSED(event)) {
        doubleClickAction(doubleClickActionData);
    }

    wxListView* GetLB() { return lv; }

private:
    DECLARE_EVENT_TABLE()
};


BEGIN_EVENT_TABLE(wxSCIListBoxWin, wxWindow)
    EVT_SET_FOCUS          (          wxSCIListBoxWin::OnFocus)
    EVT_SIZE               (          wxSCIListBoxWin::OnSize)
    EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxSCIListBoxWin::OnActivate)
END_EVENT_TABLE()

#endif // wxUSE_POPUPWIN -----------------------------------

inline wxSCIListBoxWin* GETLBW(WindowID win) {
    return ((wxSCIListBoxWin*)win);
}

inline wxListView* GETLB(WindowID win) {