mono.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

    // radio
    {
        // normal state
        { xpmRadioChecked, xpmRadioUnchecked, xpmUndeterminate },

        // pressed state
        { xpmUndeterminate, xpmUndeterminate, xpmUndeterminate },

        // disabled state
        { xpmUndeterminate, xpmUndeterminate, xpmUndeterminate },
    },
};

static const char *xpmLeftArrow[] = {
/* columns rows colors chars-per-pixel */
"8 8 2 1",
"  c white",
"X c black",
/* pixels */
"   X    ",
"  XX    ",
" XXX    ",
"XXXX    ",
"XXXX    ",
" XXX    ",
"  XX    ",
"   X    ",
};

static const char *xpmRightArrow[] = {
/* columns rows colors chars-per-pixel */
"8 8 2 1",
"  c white",
"X c black",
/* pixels */
"    X   ",
"    XX  ",
"    XXX ",
"    XXXX",
"    XXXX",
"    XXX ",
"    XX  ",
"    X   ",
};

static const char *xpmUpArrow[] = {
/* columns rows colors chars-per-pixel */
"8 8 2 1",
"  c white",
"X c black",
/* pixels */
"        ",
"   XX   ",
"  XXXX  ",
" XXXXXX ",
"XXXXXXXX",
"        ",
"        ",
"        ",
};

static const char *xpmDownArrow[] = {
/* columns rows colors chars-per-pixel */
"8 8 2 1",
"  c white",
"X c black",
/* pixels */
"        ",
"        ",
"        ",
"XXXXXXXX",
" XXXXXX ",
"  XXXX  ",
"   XX   ",
"        ",
};

const char **wxMonoRenderer::ms_xpmArrows[Arrow_Max] =
{
    xpmLeftArrow, xpmRightArrow, xpmUpArrow, xpmDownArrow,
};

// ----------------------------------------------------------------------------
// wxMonoColourScheme: uses just white and black
// ----------------------------------------------------------------------------

class wxMonoColourScheme : public wxColourScheme
{
public:
    // we use only 2 colours, white and black, but we avoid referring to them
    // like this, instead use the functions below
    wxColour GetFg() const { return wxMONO_FG_COL; }
    wxColour GetBg() const { return wxMONO_BG_COL; }

    // implement base class pure virtuals
    virtual wxColour Get(StdColour col) const;
    virtual wxColour GetBackground(wxWindow *win) const;
};

// ----------------------------------------------------------------------------
// wxMonoArtProvider
// ----------------------------------------------------------------------------

class wxMonoArtProvider : public wxArtProvider
{
protected:
    virtual wxBitmap CreateBitmap(const wxArtID& id,
                                  const wxArtClient& client,
                                  const wxSize& size);
};

// ----------------------------------------------------------------------------
// wxMonoTheme
// ----------------------------------------------------------------------------

class wxMonoTheme : public wxTheme
{
public:
    wxMonoTheme();
    virtual ~wxMonoTheme();

    virtual wxRenderer *GetRenderer();
    virtual wxArtProvider *GetArtProvider();
    virtual wxInputHandler *GetInputHandler(const wxString& control,
                                            wxInputConsumer *consumer);
    virtual wxColourScheme *GetColourScheme();

private:
    wxMonoRenderer *m_renderer;
    wxMonoArtProvider *m_artProvider;
    wxMonoColourScheme *m_scheme;

    WX_DECLARE_THEME(mono)
};

// ============================================================================
// implementation
// ============================================================================

WX_IMPLEMENT_THEME(wxMonoTheme, mono, wxTRANSLATE("Simple monochrome theme"));

// ----------------------------------------------------------------------------
// wxMonoTheme
// ----------------------------------------------------------------------------

wxMonoTheme::wxMonoTheme()
{
    m_scheme = NULL;
    m_renderer = NULL;
    m_artProvider = NULL;
}

wxMonoTheme::~wxMonoTheme()
{
    delete m_renderer;
    delete m_scheme;
    delete m_artProvider;
}

wxRenderer *wxMonoTheme::GetRenderer()
{
    if ( !m_renderer )
    {
        m_renderer = new wxMonoRenderer(GetColourScheme());
    }

    return m_renderer;
}

wxArtProvider *wxMonoTheme::GetArtProvider()
{
    if ( !m_artProvider )
    {
        m_artProvider = new wxMonoArtProvider;
    }

    return m_artProvider;
}

wxColourScheme *wxMonoTheme::GetColourScheme()
{
    if ( !m_scheme )
    {
        m_scheme = new wxMonoColourScheme;
    }

    return m_scheme;
}

wxInputHandler *wxMonoTheme::GetInputHandler(const wxString& WXUNUSED(control),
                                             wxInputConsumer *consumer)
{
    // no special input handlers so far
    return consumer->DoGetStdInputHandler(NULL);
}

// ============================================================================
// wxMonoColourScheme
// ============================================================================

wxColour wxMonoColourScheme::GetBackground(wxWindow *win) const
{
    wxColour col;
    if ( win->UseBgCol() )
    {
        // use the user specified colour
        col = win->GetBackgroundColour();
    }

    // doesn't depend on the state
    if ( !col.Ok() )
    {
        col = GetBg();
    }

    return col;
}

wxColour wxMonoColourScheme::Get(wxMonoColourScheme::StdColour col) const
{
    switch ( col )
    {
        case WINDOW:
        case CONTROL:
        case CONTROL_PRESSED:
        case CONTROL_CURRENT:
        case SCROLLBAR:
        case SCROLLBAR_PRESSED:
        case GAUGE:
        case TITLEBAR:
        case TITLEBAR_ACTIVE:
        case HIGHLIGHT_TEXT:
        case DESKTOP:
            return GetBg();

        case MAX:
        default:
            wxFAIL_MSG(_T("invalid standard colour"));
            // fall through

        case SHADOW_DARK:
        case SHADOW_HIGHLIGHT:
        case SHADOW_IN:
        case SHADOW_OUT:
        case CONTROL_TEXT:
        case CONTROL_TEXT_DISABLED:
        case CONTROL_TEXT_DISABLED_SHADOW:
        case TITLEBAR_TEXT:
        case TITLEBAR_ACTIVE_TEXT:
        case HIGHLIGHT:
            return GetFg();

    }
}

// ============================================================================
// wxMonoRenderer
// ============================================================================

// ----------------------------------------------------------------------------
// construction
// ----------------------------------------------------------------------------

wxMonoRenderer::wxMonoRenderer(const wxColourScheme *scheme)
              : wxStdRenderer(scheme)
{
    m_penFg = wxPen(wxMONO_FG_COL);
}

// ----------------------------------------------------------------------------
// borders
// ----------------------------------------------------------------------------

wxRect wxMonoRenderer::GetBorderDimensions(wxBorder border) const
{
    wxCoord width;
    switch ( border )
    {
        case wxBORDER_SIMPLE:
        case wxBORDER_STATIC:
        case wxBORDER_RAISED:
        case wxBORDER_SUNKEN:
            width = 1;
            break;

        case wxBORDER_DOUBLE:
            width = 2;
            break;

        default:
            wxFAIL_MSG(_T("unknown border type"));
            // fall through

        case wxBORDER_DEFAULT:
        case wxBORDER_NONE:
            width = 0;
            break;
    }

    wxRect rect;
    rect.x =
    rect.y =
    rect.width =
    rect.height = width;

    return rect;
}

void wxMonoRenderer::DrawButtonBorder(wxDC& dc,
                                     const wxRect& rect,
                                     int flags,
                                     wxRect *rectIn)
{
    DrawBorder(dc, wxBORDER_SIMPLE, rect, flags, rectIn);
}

// ----------------------------------------------------------------------------
// lines and frames
// ----------------------------------------------------------------------------

void
wxMonoRenderer::DrawHorizontalLine(wxDC& dc, wxCoord y, wxCoord x1, wxCoord x2)
{
    dc.SetPen(m_penFg);
    dc.DrawLine(x1, y, x2 + 1, y);
}

void
wxMonoRenderer::DrawVerticalLine(wxDC& dc, wxCoord x, wxCoord y1, wxCoord y2)
{
    dc.SetPen(m_penFg);
    dc.DrawLine(x, y1, x, y2 + 1);
}

void wxMonoRenderer::DrawFocusRect(wxDC& dc, const wxRect& rect, int flags)
{
    // no need to draw the focus rect for selected items, it would be invisible
    // anyhow
    if ( !(flags & wxCONTROL_SELECTED) )
    {
        dc.SetPen(m_penFg);
        dc.SetBrush(*wxTRANSPARENT_BRUSH);
        dc.DrawRectangle(rect);
    }
}

// ----------------------------------------------------------------------------
// label
// ----------------------------------------------------------------------------

void wxMonoRenderer::DrawButtonLabel(wxDC& dc,
                                     const wxString& label,
                                     const wxBitmap& image,
                                     const wxRect& rect,
                                     int flags,
                                     int alignment,
                                     int indexAccel,
                                     wxRect *rectBounds)
{
    dc.SetTextForeground(m_penFg.GetColour());
    dc.DrawLabel(label, image, rect, alignment, indexAccel, rectBounds);

    if ( flags & wxCONTROL_DISABLED )
    {
        // this is ugly but I don't know how to show disabled button visually
        // in monochrome theme otherwise, so cross it out
        dc.SetPen(m_penFg);