src/generic/renderg.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        src/generic/renderg.cpp
// Purpose:     generic implementation of wxRendererNative (for any platform)
// Author:      Vadim Zeitlin
// Modified by:
// Created:     20.07.2003
// RCS-ID:      $Id$
// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
// License:     wxWindows license
///////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#include "wx/renderer.h"

#ifndef WX_PRECOMP
    #include "wx/string.h"
    #include "wx/dc.h"
    #include "wx/settings.h"
    #include "wx/gdicmn.h"
    #include "wx/module.h"
#endif //WX_PRECOMP

#include "wx/splitter.h"
#include "wx/dcmirror.h"

#ifdef __WXMAC__
    #include "wx/osx/private.h"
#endif

// ----------------------------------------------------------------------------
// wxRendererGeneric: our wxRendererNative implementation
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
{
public:
    wxRendererGeneric();

    virtual int  DrawHeaderButton(wxWindow *win,
                                  wxDC& dc,
                                  const wxRect& rect,
                                  int flags = 0,
                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
                                  wxHeaderButtonParams* params = NULL);

    virtual int  DrawHeaderButtonContents(wxWindow *win,
                                          wxDC& dc,
                                          const wxRect& rect,
                                          int flags = 0,
                                          wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
                                          wxHeaderButtonParams* params = NULL);

    virtual int GetHeaderButtonHeight(wxWindow *win);

    virtual void DrawTreeItemButton(wxWindow *win,
                                    wxDC& dc,
                                    const wxRect& rect,
                                    int flags = 0);

    virtual void DrawSplitterBorder(wxWindow *win,
                                    wxDC& dc,
                                    const wxRect& rect,
                                    int flags = 0);

    virtual void DrawSplitterSash(wxWindow *win,
                                  wxDC& dc,
                                  const wxSize& size,
                                  wxCoord position,
                                  wxOrientation orient,
                                  int flags = 0);

    virtual void DrawComboBoxDropButton(wxWindow *win,
                                        wxDC& dc,
                                        const wxRect& rect,
                                        int flags = 0);

    virtual void DrawDropArrow(wxWindow *win,
                               wxDC& dc,
                               const wxRect& rect,
                               int flags = 0);

    virtual void DrawCheckBox(wxWindow *win,
                              wxDC& dc,
                              const wxRect& rect,
                              int flags = 0);

    virtual wxSize GetCheckBoxSize(wxWindow *win);

    virtual void DrawPushButton(wxWindow *win,
                                wxDC& dc,
                                const wxRect& rect,
                                int flags = 0);

    virtual void DrawItemSelectionRect(wxWindow *win,
                                       wxDC& dc,
                                       const wxRect& rect,
                                       int flags = 0);

    virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);

    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);

    virtual wxRendererVersion GetVersion() const
    {
        return wxRendererVersion(wxRendererVersion::Current_Version,
                                 wxRendererVersion::Current_Age);
    }


    // Cleanup by deleting standard renderer
    static void Cleanup();

    // Get the generic object
    static wxRendererGeneric* DoGetGeneric();

protected:
    // draw the rectange using the first pen for the left and top sides and
    // the second one for the bottom and right ones
    void DrawShadedRect(wxDC& dc, wxRect *rect,
                        const wxPen& pen1, const wxPen& pen2);

    // the standard pens
    wxPen m_penBlack,
          m_penDarkGrey,
          m_penLightGrey,
          m_penHighlight;

    static wxRendererGeneric* sm_rendererGeneric;
};

// ============================================================================
// wxRendererGeneric implementation
// ============================================================================

// Get the generic object
wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
{
    if (!sm_rendererGeneric)
        sm_rendererGeneric = new wxRendererGeneric;
    return sm_rendererGeneric;
}

// ----------------------------------------------------------------------------
// wxRendererGeneric creation
// ----------------------------------------------------------------------------

/* static */
wxRendererNative& wxRendererNative::GetGeneric()
{
    return * wxRendererGeneric::DoGetGeneric();
}

void wxRendererGeneric::Cleanup()
{
    if (sm_rendererGeneric)
        delete sm_rendererGeneric;

    sm_rendererGeneric = NULL;
}

wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;

wxRendererGeneric::wxRendererGeneric()
    : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
      m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
      m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
      m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
{
}

// ----------------------------------------------------------------------------
// wxRendererGeneric helpers
// ----------------------------------------------------------------------------

void
wxRendererGeneric::DrawShadedRect(wxDC& dc,
                                  wxRect *rect,
                                  const wxPen& pen1,
                                  const wxPen& pen2)
{
    // draw the rectangle
    dc.SetPen(pen1);
    dc.DrawLine(rect->GetLeft(), rect->GetTop(),
                rect->GetLeft(), rect->GetBottom());
    dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
                rect->GetRight(), rect->GetTop());
    dc.SetPen(pen2);
    dc.DrawLine(rect->GetRight(), rect->GetTop(),
                rect->GetRight(), rect->GetBottom());
    dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
                rect->GetRight() + 1, rect->GetBottom());

    // adjust the rect
    rect->Inflate(-1);
}

// ----------------------------------------------------------------------------
// tree/list ctrl drawing
// ----------------------------------------------------------------------------

int
wxRendererGeneric::DrawHeaderButton(wxWindow* win,
                                    wxDC& dc,
                                    const wxRect& rect,
                                    int flags,
                                    wxHeaderSortIconType sortArrow,
                                    wxHeaderButtonParams* params)
{
    const wxCoord x = rect.x,
                  y = rect.y,
                  w = rect.width,
                  h = rect.height;

    dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
    dc.SetPen(*wxTRANSPARENT_PEN);
    dc.DrawRectangle(rect);

    dc.SetBrush(*wxTRANSPARENT_BRUSH);

    dc.SetPen(m_penBlack);
    dc.DrawLine( x+w-1, y, x+w-1, y+h );  // right (outer)
    dc.DrawLine( x, y+h-1, x+w, y+h-1 );  // bottom (outer)

    dc.SetPen(m_penDarkGrey);
    dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 );  // right (inner)
    dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 );  // bottom (inner)

    dc.SetPen(m_penHighlight);
    dc.DrawLine( x, y, x, y+h-1 ); // left (outer)
    dc.DrawLine( x, y, x+w-1, y ); // top (outer)

    return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
}


int
wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
                                            wxDC& dc,
                                            const wxRect& rect,
                                            int flags,
                                            wxHeaderSortIconType sortArrow,
                                            wxHeaderButtonParams* params)
{
    int labelWidth = 0;

    // Mark this item as selected.  For the generic version we'll just draw an
    // underline
    if ( flags & wxCONTROL_SELECTED )
    {
        // draw a line at the bottom of the header button, overlaying the
        // native hot-tracking line (on XP)
        const int penwidth = 3;
        int y = rect.y + rect.height + 1 - penwidth;
        wxColour c = (params && params->m_selectionColour.Ok()) ?
            params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
        wxPen pen(c, penwidth);
        pen.SetCap(wxCAP_BUTT);
        dc.SetPen(pen);
        dc.DrawLine(rect.x, y, rect.x + rect.width, y);
    }

    // Draw an up or down arrow
    int arrowSpace = 0;
    if (sortArrow != wxHDR_SORT_ICON_NONE )
    {
        wxRect ar = rect;

        // make a rect for the arrow
        ar.height = 4;
        ar.width = 8;
        ar.y += (rect.height - ar.height)/2;
        ar.x = ar.x + rect.width - 3*ar.width/2;
        arrowSpace = 3*ar.width/2; // space to preserve when drawing the label

        wxPoint triPt[3];
        if ( sortArrow & wxHDR_SORT_ICON_UP )
        {
            triPt[0].x = ar.width / 2;
            triPt[0].y = 0;
            triPt[1].x = ar.width;
            triPt[1].y = ar.height;
            triPt[2].x = 0;
            triPt[2].y = ar.height;
        }
        else
        {
            triPt[0].x = 0;
            triPt[0].y = 0;
            triPt[1].x = ar.width;
            triPt[1].y = 0;
            triPt[2].x = ar.width / 2;
            triPt[2].y = ar.height;
        }

        wxColour c = (params && params->m_arrowColour.Ok()) ?
            params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
        dc.SetPen(wxPen(c));
        dc.SetBrush(wxBrush(c));
        dc.DrawPolygon( 3, triPt, ar.x, ar.y);
    }
    labelWidth += arrowSpace;

    const int margin = 5;   // number of pixels to reserve on either side of the label
    int bmpWidth = 0;
    int txtEnd = 0;

    if ( params && params->m_labelBitmap.Ok() )
        bmpWidth = params->m_labelBitmap.GetWidth() + 2;

    labelWidth += bmpWidth + 2*margin;

    // Draw a label if one is given
    if ( params && !params->m_labelText.empty() )
    {
        wxFont font  = params->m_labelFont.Ok() ?
            params->m_labelFont : win->GetFont();
        wxColour clr = params->m_labelColour.Ok() ?
            params->m_labelColour : win->GetForegroundColour();

        wxString label( params->m_labelText );

        dc.SetFont(font);
        dc.SetTextForeground(clr);
        dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);

        int tw, th, td, x, y;
        dc.GetTextExtent( label, &tw, &th, &td);
        labelWidth += tw;
        y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);

        // truncate and add an ellipsis (...) if the text is too wide.
        int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin;
        if ( tw > targetWidth )
        {
            int ellipsisWidth;
            dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
            do {
                label.Truncate( label.length() - 1 );
                dc.GetTextExtent( label, &tw, &th);
            } while (tw + ellipsisWidth > targetWidth && label.length() );
            label.append( wxT("...") );
            tw += ellipsisWidth;
        }

        switch (params->m_labelAlignment)
        {
            default:
            case wxALIGN_LEFT:
                x = rect.x + margin;
                break;
            case wxALIGN_CENTER:
                x = rect.x + wxMax(0, (rect.width - arrowSpace  - tw - bmpWidth)/2);
                break;
            case wxALIGN_RIGHT:
                x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth);
                break;
        }

        dc.DrawText(label, x, y);
        txtEnd = x + tw + 2;
    }

    // draw the bitmap if there is one
    if ( params && params->m_labelBitmap.Ok() )
    {
        int w, h, x, y;
        w = params->m_labelBitmap.GetWidth();
        h = params->m_labelBitmap.GetHeight();

        y = rect.y + wxMax(1, (rect.height - h) / 2);

        // if there is a text label, then put the bitmap at the end of the label
        if ( txtEnd != 0 )
        {
            x = txtEnd;
        }
        // otherwise use the alignment flags
        else
        {
            switch (params->m_labelAlignment)
            {
                default:
                case wxALIGN_LEFT:
                    x = rect.x + margin;
                    break;
                case wxALIGN_CENTER:
                    x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2);
                    break;
                case wxALIGN_RIGHT:
                    x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w);
                    break;
            }
        }
        dc.DrawBitmap(params->m_labelBitmap, x, y, true);
    }
    return labelWidth;
}


int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
{
    // Copied and adapted from src/generic/listctrl.cpp
    const int HEADER_OFFSET_Y = 1;
    const int EXTRA_HEIGHT = 4;

    int w=0, h=14, d=0;
    if (win)
        win->GetTextExtent(wxT("Hg"), &w, &h, &d);

    return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
}


// draw the plus or minus sign
void
wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
                                      wxDC& dc,
                                      const wxRect& rect,
                                      int flags)
{
    // store settings
    wxDCPenChanger penChanger(dc, *wxGREY_PEN);
    wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);

    dc.DrawRectangle(rect);

    // black lines
    const wxCoord xMiddle = rect.x + rect.width/2;
    const wxCoord yMiddle = rect.y + rect.height/2;

    // half of the length of the horz lines in "-" and "+"
    const wxCoord halfWidth = rect.width/2 - 2;
    dc.SetPen(*wxBLACK_PEN);
    dc.DrawLine(xMiddle - halfWidth, yMiddle,
                xMiddle + halfWidth + 1, yMiddle);

    if ( !(flags & wxCONTROL_EXPANDED) )
    {
        // turn "-" into "+"
        const wxCoord halfHeight = rect.height/2 - 2;
        dc.DrawLine(xMiddle, yMiddle - halfHeight,
                    xMiddle, yMiddle + halfHeight + 1);
    }
}

// ----------------------------------------------------------------------------
// sash drawing
// ----------------------------------------------------------------------------

wxSplitterRenderParams
wxRendererGeneric::GetSplitterParams(const wxWindow *win)
{
    // see below
    wxCoord sashWidth,
            border;

    if ( win->HasFlag(wxSP_3DSASH) )
        sashWidth = 7;
    else if ( win->HasFlag(wxSP_NOSASH) )
        sashWidth = 0;
    else // no 3D effect
        sashWidth = 3;

    if ( win->HasFlag(wxSP_3DBORDER) )
        border = 2;
    else // no 3D effect
        border = 0;

    return wxSplitterRenderParams(sashWidth, border, false);
}

void
wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
                                      wxDC& dc,
                                      const wxRect& rectOrig,
                                      int WXUNUSED(falgs))
{
    if ( win->HasFlag(wxSP_3DBORDER) )
    {
        wxRect rect = rectOrig;
        DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
        DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
    }
}

void
wxRendererGeneric::DrawSplitterSash(wxWindow *win,
                                    wxDC& dcReal,
                                    const wxSize& sizeReal,
                                    wxCoord position,
                                    wxOrientation orient,
                                    int WXUNUSED(flags))
{
    // to avoid duplicating the same code for horizontal and vertical sashes,
    // simply mirror the DC instead if needed (i.e. if horz splitter)
    wxMirrorDC dc(dcReal, orient != wxVERTICAL);
    wxSize size = dc.Reflect(sizeReal);


    // we draw a Win32-like grey sash with possible 3D border here:
    //
    //   ---- this is position
    //  /
    // v
    // dWGGGDd
    // GWGGGDB
    // GWGGGDB  where G is light grey (face)
    // GWGGGDB        W    white      (light)
    // GWGGGDB        D    dark grey  (shadow)
    // GWGGGDB        B    black      (dark shadow)
    // GWGGGDB
    // GWGGGDB  and lower letters are our border (already drawn)
    // GWGGGDB
    // wWGGGDd
    //
    // only the middle 3 columns are drawn unless wxSP_3D is specified

    const wxCoord h = size.y;
    wxCoord offset = 0;

    // If we're drawing the border, draw the sash 3d lines shorter
    if ( win->HasFlag(wxSP_3DBORDER) )
    {
        offset = 1;
    }

    dc.SetPen(*wxTRANSPARENT_PEN);
    dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));

    if ( win->HasFlag(wxSP_3DSASH) )
    {
        // Draw the 3D sash
        dc.DrawRectangle(position + 2, 0, 3, h);

        dc.SetPen(m_penLightGrey);
        dc.DrawLine(position, offset, position, h - offset);

        dc.SetPen(m_penHighlight);
        dc.DrawLine(position + 1, 0, position + 1, h);

        dc.SetPen(m_penDarkGrey);
        dc.DrawLine(position + 5, 0, position + 5, h);

        dc.SetPen(m_penBlack);
        dc.DrawLine(position + 6, offset, position + 6, h - offset);
    }
    else
    {
        // Draw a flat sash
        dc.DrawRectangle(position, 0, 3, h);
    }
}

// ----------------------------------------------------------------------------
// button drawing
// ----------------------------------------------------------------------------

void
wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
                                          wxDC& dc,
                                          const wxRect& rect,
                                          int flags)
{
    DrawPushButton(win,dc,rect,flags);
    DrawDropArrow(win,dc,rect,flags);
}

void
wxRendererGeneric::DrawDropArrow(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
                                 int WXUNUSED(flags))
{
    // This generic implementation should be good
    // enough for Windows platforms (including XP).

    int arrowHalf = rect.width/5;
    int rectMid = rect.width / 2;
    int arrowTopY = (rect.height/2) - (arrowHalf/2);

    // This should always result in arrow with odd width.
    wxPoint pt[] =
    {
        wxPoint(rectMid - arrowHalf, arrowTopY),
        wxPoint(rectMid + arrowHalf, arrowTopY),
        wxPoint(rectMid, arrowTopY + arrowHalf)
    };
    dc.SetBrush(wxBrush(win->GetForegroundColour()));
    dc.SetPen(wxPen(win->GetForegroundColour()));
    dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
}

void
wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
                                wxDC& dc,
                                const wxRect& rect,
                                int flags)
{
    dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
    dc.SetBrush( *wxTRANSPARENT_BRUSH );
    dc.DrawRectangle(rect);

    if ( flags & wxCONTROL_CHECKED )
    {
        dc.DrawCheckMark(rect.Deflate(2, 2));
    }
}

wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
{
    return wxSize(16, 16);
}

void
wxRendererGeneric::DrawPushButton(wxWindow *win,
                                  wxDC& dc,
                                  const wxRect& rect,
                                  int flags)
{
    // Don't try anything too fancy. It'll just turn out looking
    // out-of-place on most platforms.
    wxColour bgCol = flags & wxCONTROL_DISABLED ?
                        wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
                        win->GetBackgroundColour();
    dc.SetBrush(wxBrush(bgCol));
    dc.SetPen(wxPen(bgCol));
    dc.DrawRectangle(rect);
}

void
#ifdef __WXMAC__
wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
                                         wxDC& dc,
                                         const wxRect& rect,
                                         int flags)
#else
wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
                                         wxDC& dc,
                                         const wxRect& rect,
                                         int flags)
#endif
{
    wxBrush brush;
    if ( flags & wxCONTROL_SELECTED )
    {
        if ( flags & wxCONTROL_FOCUSED )
        {
            brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
        }
        else // !focused
        {
            brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
        }
    }
    else // !selected
    {
        brush = *wxTRANSPARENT_BRUSH;
    }

    dc.SetBrush(brush);
    if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
                && IsControlActive( (ControlRef)win->GetHandle() )
#endif
    )
        dc.SetPen( *wxBLACK_PEN );
    else
        dc.SetPen( *wxTRANSPARENT_PEN );

    dc.DrawRectangle( rect );
}

void
wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
{
    // draw the pixels manually because the "dots" in wxPen with wxDOT style
    // may be short traits and not really dots
    //
    // note that to behave in the same manner as DrawRect(), we must exclude
    // the bottom and right borders from the rectangle
    wxCoord x1 = rect.GetLeft(),
            y1 = rect.GetTop(),
            x2 = rect.GetRight(),
            y2 = rect.GetBottom();

    dc.SetPen(m_penBlack);

#ifdef __WXMAC__
    dc.SetLogicalFunction(wxCOPY);
#else
    // this seems to be closer than what Windows does than wxINVERT although
    // I'm still not sure if it's correct
    dc.SetLogicalFunction(wxAND_REVERSE);
#endif

    wxCoord z;
    for ( z = x1 + 1; z < x2; z += 2 )
        dc.DrawPoint(z, rect.GetTop());

    wxCoord shift = z == x2 ? 0 : 1;
    for ( z = y1 + shift; z < y2; z += 2 )
        dc.DrawPoint(x2, z);

    shift = z == y2 ? 0 : 1;
    for ( z = x2 - shift; z > x1; z -= 2 )
        dc.DrawPoint(z, y2);

    shift = z == x1 ? 0 : 1;
    for ( z = y2 - shift; z > y1; z -= 2 )
        dc.DrawPoint(x1, z);

    dc.SetLogicalFunction(wxCOPY);
}

// ----------------------------------------------------------------------------
// A module to allow cleanup of generic renderer.
// ----------------------------------------------------------------------------

class wxGenericRendererModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
public:
    wxGenericRendererModule() {}
    bool OnInit() { return true; }
    void OnExit() { wxRendererGeneric::Cleanup(); }
};

IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)
Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: src/generic/renderg.cpp
	3	// Purpose: generic implementation of wxRendererNative (for any platform)
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 20.07.2003
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
	9	// License: wxWindows license
	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	// for compilers that support precompilation, includes "wx.h".
	21	#include "wx/wxprec.h"
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
	27	#include "wx/renderer.h"
	28
	29	#ifndef WX_PRECOMP
	30	#include "wx/string.h"
	31	#include "wx/dc.h"
	32	#include "wx/settings.h"
	33	#include "wx/gdicmn.h"
	34	#include "wx/module.h"
	35	#endif //WX_PRECOMP
	36
	37	#include "wx/splitter.h"
	38	#include "wx/dcmirror.h"
	39
	40	#ifdef __WXMAC__
	41	#include "wx/osx/private.h"
	42	#endif
	43
	44	// ----------------------------------------------------------------------------
	45	// wxRendererGeneric: our wxRendererNative implementation
	46	// ----------------------------------------------------------------------------
	47
	48	class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
	49	{
	50	public:
	51	wxRendererGeneric();
	52
	53	virtual int DrawHeaderButton(wxWindow *win,
	54	wxDC& dc,
	55	const wxRect& rect,
	56	int flags = 0,
	57	wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
	58	wxHeaderButtonParams* params = NULL);
	59
	60	virtual int DrawHeaderButtonContents(wxWindow *win,
	61	wxDC& dc,
	62	const wxRect& rect,
	63	int flags = 0,
	64	wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
	65	wxHeaderButtonParams* params = NULL);
	66
	67	virtual int GetHeaderButtonHeight(wxWindow *win);
	68
	69	virtual void DrawTreeItemButton(wxWindow *win,
	70	wxDC& dc,
	71	const wxRect& rect,
	72	int flags = 0);
	73
	74	virtual void DrawSplitterBorder(wxWindow *win,
	75	wxDC& dc,
	76	const wxRect& rect,
	77	int flags = 0);
	78
	79	virtual void DrawSplitterSash(wxWindow *win,
	80	wxDC& dc,
	81	const wxSize& size,
	82	wxCoord position,
	83	wxOrientation orient,
	84	int flags = 0);
	85
	86	virtual void DrawComboBoxDropButton(wxWindow *win,
	87	wxDC& dc,
	88	const wxRect& rect,
	89	int flags = 0);
	90
	91	virtual void DrawDropArrow(wxWindow *win,
	92	wxDC& dc,
	93	const wxRect& rect,
	94	int flags = 0);
	95
	96	virtual void DrawCheckBox(wxWindow *win,
	97	wxDC& dc,
	98	const wxRect& rect,
	99	int flags = 0);
	100
	101	virtual wxSize GetCheckBoxSize(wxWindow *win);
	102
	103	virtual void DrawPushButton(wxWindow *win,
	104	wxDC& dc,
	105	const wxRect& rect,
	106	int flags = 0);
	107
	108	virtual void DrawItemSelectionRect(wxWindow *win,
	109	wxDC& dc,
	110	const wxRect& rect,
	111	int flags = 0);
	112
	113	virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
	114
	115	virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
	116
	117	virtual wxRendererVersion GetVersion() const
	118	{
	119	return wxRendererVersion(wxRendererVersion::Current_Version,
	120	wxRendererVersion::Current_Age);
	121	}
	122
	123
	124	// Cleanup by deleting standard renderer
	125	static void Cleanup();
	126
	127	// Get the generic object
	128	static wxRendererGeneric* DoGetGeneric();
	129
	130	protected:
	131	// draw the rectange using the first pen for the left and top sides and
	132	// the second one for the bottom and right ones
	133	void DrawShadedRect(wxDC& dc, wxRect *rect,
	134	const wxPen& pen1, const wxPen& pen2);
	135
	136	// the standard pens
	137	wxPen m_penBlack,
	138	m_penDarkGrey,
	139	m_penLightGrey,
	140	m_penHighlight;
	141
	142	static wxRendererGeneric* sm_rendererGeneric;
	143	};
	144
	145	// ============================================================================
	146	// wxRendererGeneric implementation
	147	// ============================================================================
	148
	149	// Get the generic object
	150	wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
	151	{
	152	if (!sm_rendererGeneric)
	153	sm_rendererGeneric = new wxRendererGeneric;
	154	return sm_rendererGeneric;
	155	}
	156
	157	// ----------------------------------------------------------------------------
	158	// wxRendererGeneric creation
	159	// ----------------------------------------------------------------------------
	160
	161	/* static */
	162	wxRendererNative& wxRendererNative::GetGeneric()
	163	{
	164	return * wxRendererGeneric::DoGetGeneric();
	165	}
	166
	167	void wxRendererGeneric::Cleanup()
	168	{
	169	if (sm_rendererGeneric)
	170	delete sm_rendererGeneric;
	171
	172	sm_rendererGeneric = NULL;
	173	}
	174
	175	wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
	176
	177	wxRendererGeneric::wxRendererGeneric()
	178	: m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
	179	m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
	180	m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
	181	m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
	182	{
	183	}
	184
	185	// ----------------------------------------------------------------------------
	186	// wxRendererGeneric helpers
	187	// ----------------------------------------------------------------------------
	188
	189	void
	190	wxRendererGeneric::DrawShadedRect(wxDC& dc,
	191	wxRect *rect,
	192	const wxPen& pen1,
	193	const wxPen& pen2)
	194	{
	195	// draw the rectangle
	196	dc.SetPen(pen1);
	197	dc.DrawLine(rect->GetLeft(), rect->GetTop(),
	198	rect->GetLeft(), rect->GetBottom());
	199	dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
	200	rect->GetRight(), rect->GetTop());
	201	dc.SetPen(pen2);
	202	dc.DrawLine(rect->GetRight(), rect->GetTop(),
	203	rect->GetRight(), rect->GetBottom());
	204	dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
	205	rect->GetRight() + 1, rect->GetBottom());
	206
	207	// adjust the rect
	208	rect->Inflate(-1);
	209	}
	210
	211	// ----------------------------------------------------------------------------
	212	// tree/list ctrl drawing
	213	// ----------------------------------------------------------------------------
	214
	215	int
	216	wxRendererGeneric::DrawHeaderButton(wxWindow* win,
	217	wxDC& dc,
	218	const wxRect& rect,
	219	int flags,
	220	wxHeaderSortIconType sortArrow,
	221	wxHeaderButtonParams* params)
	222	{
	223	const wxCoord x = rect.x,
	224	y = rect.y,
	225	w = rect.width,
	226	h = rect.height;
	227
	228	dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
	229	dc.SetPen(*wxTRANSPARENT_PEN);
	230	dc.DrawRectangle(rect);
	231
	232	dc.SetBrush(*wxTRANSPARENT_BRUSH);
	233
	234	dc.SetPen(m_penBlack);
	235	dc.DrawLine( x+w-1, y, x+w-1, y+h ); // right (outer)
	236	dc.DrawLine( x, y+h-1, x+w, y+h-1 ); // bottom (outer)
	237
	238	dc.SetPen(m_penDarkGrey);
	239	dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 ); // right (inner)
	240	dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 ); // bottom (inner)
	241
	242	dc.SetPen(m_penHighlight);
	243	dc.DrawLine( x, y, x, y+h-1 ); // left (outer)
	244	dc.DrawLine( x, y, x+w-1, y ); // top (outer)
	245
	246	return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
	247	}
	248
	249
	250	int
	251	wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
	252	wxDC& dc,
	253	const wxRect& rect,
	254	int flags,
	255	wxHeaderSortIconType sortArrow,
	256	wxHeaderButtonParams* params)
	257	{
	258	int labelWidth = 0;
	259
	260	// Mark this item as selected. For the generic version we'll just draw an
	261	// underline
	262	if ( flags & wxCONTROL_SELECTED )
	263	{
	264	// draw a line at the bottom of the header button, overlaying the
	265	// native hot-tracking line (on XP)
	266	const int penwidth = 3;
	267	int y = rect.y + rect.height + 1 - penwidth;
	268	wxColour c = (params && params->m_selectionColour.Ok()) ?
	269	params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
	270	wxPen pen(c, penwidth);
	271	pen.SetCap(wxCAP_BUTT);
	272	dc.SetPen(pen);
	273	dc.DrawLine(rect.x, y, rect.x + rect.width, y);
	274	}
	275
	276	// Draw an up or down arrow
	277	int arrowSpace = 0;
	278	if (sortArrow != wxHDR_SORT_ICON_NONE )
	279	{
	280	wxRect ar = rect;
	281
	282	// make a rect for the arrow
	283	ar.height = 4;
	284	ar.width = 8;
	285	ar.y += (rect.height - ar.height)/2;
	286	ar.x = ar.x + rect.width - 3*ar.width/2;
	287	arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
	288
	289	wxPoint triPt[3];
	290	if ( sortArrow & wxHDR_SORT_ICON_UP )
	291	{
	292	triPt[0].x = ar.width / 2;
	293	triPt[0].y = 0;
	294	triPt[1].x = ar.width;
	295	triPt[1].y = ar.height;
	296	triPt[2].x = 0;
	297	triPt[2].y = ar.height;
	298	}
	299	else
	300	{
	301	triPt[0].x = 0;
	302	triPt[0].y = 0;
	303	triPt[1].x = ar.width;
	304	triPt[1].y = 0;
	305	triPt[2].x = ar.width / 2;
	306	triPt[2].y = ar.height;
	307	}
	308
	309	wxColour c = (params && params->m_arrowColour.Ok()) ?
	310	params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
	311	dc.SetPen(wxPen(c));
	312	dc.SetBrush(wxBrush(c));
	313	dc.DrawPolygon( 3, triPt, ar.x, ar.y);
	314	}
	315	labelWidth += arrowSpace;
	316
	317	const int margin = 5; // number of pixels to reserve on either side of the label
	318	int bmpWidth = 0;
	319	int txtEnd = 0;
	320
	321	if ( params && params->m_labelBitmap.Ok() )
	322	bmpWidth = params->m_labelBitmap.GetWidth() + 2;
	323
	324	labelWidth += bmpWidth + 2*margin;
	325
	326	// Draw a label if one is given
	327	if ( params && !params->m_labelText.empty() )
	328	{
	329	wxFont font = params->m_labelFont.Ok() ?
	330	params->m_labelFont : win->GetFont();
	331	wxColour clr = params->m_labelColour.Ok() ?
	332	params->m_labelColour : win->GetForegroundColour();
	333
	334	wxString label( params->m_labelText );
	335
	336	dc.SetFont(font);
	337	dc.SetTextForeground(clr);
	338	dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
	339
	340	int tw, th, td, x, y;
	341	dc.GetTextExtent( label, &tw, &th, &td);
	342	labelWidth += tw;
	343	y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
	344
	345	// truncate and add an ellipsis (...) if the text is too wide.
	346	int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin;
	347	if ( tw > targetWidth )
	348	{
	349	int ellipsisWidth;
	350	dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
	351	do {
	352	label.Truncate( label.length() - 1 );
	353	dc.GetTextExtent( label, &tw, &th);
	354	} while (tw + ellipsisWidth > targetWidth && label.length() );
	355	label.append( wxT("...") );
	356	tw += ellipsisWidth;
	357	}
	358
	359	switch (params->m_labelAlignment)
	360	{
	361	default:
	362	case wxALIGN_LEFT:
	363	x = rect.x + margin;
	364	break;
	365	case wxALIGN_CENTER:
	366	x = rect.x + wxMax(0, (rect.width - arrowSpace - tw - bmpWidth)/2);
	367	break;
	368	case wxALIGN_RIGHT:
	369	x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth);
	370	break;
	371	}
	372
	373	dc.DrawText(label, x, y);
	374	txtEnd = x + tw + 2;
	375	}
	376
	377	// draw the bitmap if there is one
	378	if ( params && params->m_labelBitmap.Ok() )
	379	{
	380	int w, h, x, y;
	381	w = params->m_labelBitmap.GetWidth();
	382	h = params->m_labelBitmap.GetHeight();
	383
	384	y = rect.y + wxMax(1, (rect.height - h) / 2);
	385
	386	// if there is a text label, then put the bitmap at the end of the label
	387	if ( txtEnd != 0 )
	388	{
	389	x = txtEnd;
	390	}
	391	// otherwise use the alignment flags
	392	else
	393	{
	394	switch (params->m_labelAlignment)
	395	{
	396	default:
	397	case wxALIGN_LEFT:
	398	x = rect.x + margin;
	399	break;
	400	case wxALIGN_CENTER:
	401	x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2);
	402	break;
	403	case wxALIGN_RIGHT:
	404	x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w);
	405	break;
	406	}
	407	}
	408	dc.DrawBitmap(params->m_labelBitmap, x, y, true);
	409	}
	410	return labelWidth;
	411	}
	412
	413
	414	int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
	415	{
	416	// Copied and adapted from src/generic/listctrl.cpp
	417	const int HEADER_OFFSET_Y = 1;
	418	const int EXTRA_HEIGHT = 4;
	419
	420	int w=0, h=14, d=0;
	421	if (win)
	422	win->GetTextExtent(wxT("Hg"), &w, &h, &d);
	423
	424	return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
	425	}
	426
	427
	428	// draw the plus or minus sign
	429	void
	430	wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
	431	wxDC& dc,
	432	const wxRect& rect,
	433	int flags)
	434	{
	435	// store settings
	436	wxDCPenChanger penChanger(dc, *wxGREY_PEN);
	437	wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
	438
	439	dc.DrawRectangle(rect);
	440
	441	// black lines
	442	const wxCoord xMiddle = rect.x + rect.width/2;
	443	const wxCoord yMiddle = rect.y + rect.height/2;
	444
	445	// half of the length of the horz lines in "-" and "+"
	446	const wxCoord halfWidth = rect.width/2 - 2;
	447	dc.SetPen(*wxBLACK_PEN);
	448	dc.DrawLine(xMiddle - halfWidth, yMiddle,
	449	xMiddle + halfWidth + 1, yMiddle);
	450
	451	if ( !(flags & wxCONTROL_EXPANDED) )
	452	{
	453	// turn "-" into "+"
	454	const wxCoord halfHeight = rect.height/2 - 2;
	455	dc.DrawLine(xMiddle, yMiddle - halfHeight,
	456	xMiddle, yMiddle + halfHeight + 1);
	457	}
	458	}
	459
	460	// ----------------------------------------------------------------------------
	461	// sash drawing
	462	// ----------------------------------------------------------------------------
	463
	464	wxSplitterRenderParams
	465	wxRendererGeneric::GetSplitterParams(const wxWindow *win)
	466	{
	467	// see below
	468	wxCoord sashWidth,
	469	border;
	470
	471	if ( win->HasFlag(wxSP_3DSASH) )
	472	sashWidth = 7;
	473	else if ( win->HasFlag(wxSP_NOSASH) )
	474	sashWidth = 0;
	475	else // no 3D effect
	476	sashWidth = 3;
	477
	478	if ( win->HasFlag(wxSP_3DBORDER) )
	479	border = 2;
	480	else // no 3D effect
	481	border = 0;
	482
	483	return wxSplitterRenderParams(sashWidth, border, false);
	484	}
	485
	486	void
	487	wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
	488	wxDC& dc,
	489	const wxRect& rectOrig,
	490	int WXUNUSED(falgs))
	491	{
	492	if ( win->HasFlag(wxSP_3DBORDER) )
	493	{
	494	wxRect rect = rectOrig;
	495	DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
	496	DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
	497	}
	498	}
	499
	500	void
	501	wxRendererGeneric::DrawSplitterSash(wxWindow *win,
	502	wxDC& dcReal,
	503	const wxSize& sizeReal,
	504	wxCoord position,
	505	wxOrientation orient,
	506	int WXUNUSED(flags))
	507	{
	508	// to avoid duplicating the same code for horizontal and vertical sashes,
	509	// simply mirror the DC instead if needed (i.e. if horz splitter)
	510	wxMirrorDC dc(dcReal, orient != wxVERTICAL);
	511	wxSize size = dc.Reflect(sizeReal);
	512
	513
	514	// we draw a Win32-like grey sash with possible 3D border here:
	515	//
	516	// ---- this is position
	517	// /
	518	// v
	519	// dWGGGDd
	520	// GWGGGDB
	521	// GWGGGDB where G is light grey (face)
	522	// GWGGGDB W white (light)
	523	// GWGGGDB D dark grey (shadow)
	524	// GWGGGDB B black (dark shadow)
	525	// GWGGGDB
	526	// GWGGGDB and lower letters are our border (already drawn)
	527	// GWGGGDB
	528	// wWGGGDd
	529	//
	530	// only the middle 3 columns are drawn unless wxSP_3D is specified
	531
	532	const wxCoord h = size.y;
	533	wxCoord offset = 0;
	534
	535	// If we're drawing the border, draw the sash 3d lines shorter
	536	if ( win->HasFlag(wxSP_3DBORDER) )
	537	{
	538	offset = 1;
	539	}
	540
	541	dc.SetPen(*wxTRANSPARENT_PEN);
	542	dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
	543
	544	if ( win->HasFlag(wxSP_3DSASH) )
	545	{
	546	// Draw the 3D sash
	547	dc.DrawRectangle(position + 2, 0, 3, h);
	548
	549	dc.SetPen(m_penLightGrey);
	550	dc.DrawLine(position, offset, position, h - offset);
	551
	552	dc.SetPen(m_penHighlight);
	553	dc.DrawLine(position + 1, 0, position + 1, h);
	554
	555	dc.SetPen(m_penDarkGrey);
	556	dc.DrawLine(position + 5, 0, position + 5, h);
	557
	558	dc.SetPen(m_penBlack);
	559	dc.DrawLine(position + 6, offset, position + 6, h - offset);
	560	}
	561	else
	562	{
	563	// Draw a flat sash
	564	dc.DrawRectangle(position, 0, 3, h);
	565	}
	566	}
	567
	568	// ----------------------------------------------------------------------------
	569	// button drawing
	570	// ----------------------------------------------------------------------------
	571
	572	void
	573	wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
	574	wxDC& dc,
	575	const wxRect& rect,
	576	int flags)
	577	{
	578	DrawPushButton(win,dc,rect,flags);
	579	DrawDropArrow(win,dc,rect,flags);
	580	}
	581
	582	void
	583	wxRendererGeneric::DrawDropArrow(wxWindow *win,
	584	wxDC& dc,
	585	const wxRect& rect,
	586	int WXUNUSED(flags))
	587	{
	588	// This generic implementation should be good
	589	// enough for Windows platforms (including XP).
	590
	591	int arrowHalf = rect.width/5;
	592	int rectMid = rect.width / 2;
	593	int arrowTopY = (rect.height/2) - (arrowHalf/2);
	594
	595	// This should always result in arrow with odd width.
	596	wxPoint pt[] =
	597	{
	598	wxPoint(rectMid - arrowHalf, arrowTopY),
	599	wxPoint(rectMid + arrowHalf, arrowTopY),
	600	wxPoint(rectMid, arrowTopY + arrowHalf)
	601	};
	602	dc.SetBrush(wxBrush(win->GetForegroundColour()));
	603	dc.SetPen(wxPen(win->GetForegroundColour()));
	604	dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
	605	}
	606
	607	void
	608	wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
	609	wxDC& dc,
	610	const wxRect& rect,
	611	int flags)
	612	{
	613	dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
	614	dc.SetBrush( *wxTRANSPARENT_BRUSH );
	615	dc.DrawRectangle(rect);
	616
	617	if ( flags & wxCONTROL_CHECKED )
	618	{
	619	dc.DrawCheckMark(rect.Deflate(2, 2));
	620	}
	621	}
	622
	623	wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
	624	{
	625	return wxSize(16, 16);
	626	}
	627
	628	void
	629	wxRendererGeneric::DrawPushButton(wxWindow *win,
	630	wxDC& dc,
	631	const wxRect& rect,
	632	int flags)
	633	{
	634	// Don't try anything too fancy. It'll just turn out looking
	635	// out-of-place on most platforms.
	636	wxColour bgCol = flags & wxCONTROL_DISABLED ?
	637	wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
	638	win->GetBackgroundColour();
	639	dc.SetBrush(wxBrush(bgCol));
	640	dc.SetPen(wxPen(bgCol));
	641	dc.DrawRectangle(rect);
	642	}
	643
	644	void
	645	#ifdef __WXMAC__
	646	wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
	647	wxDC& dc,
	648	const wxRect& rect,
	649	int flags)
	650	#else
	651	wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
	652	wxDC& dc,
	653	const wxRect& rect,
	654	int flags)
	655	#endif
	656	{
	657	wxBrush brush;
	658	if ( flags & wxCONTROL_SELECTED )
	659	{
	660	if ( flags & wxCONTROL_FOCUSED )
	661	{
	662	brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
	663	}
	664	else // !focused
	665	{
	666	brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
	667	}
	668	}
	669	else // !selected
	670	{
	671	brush = *wxTRANSPARENT_BRUSH;
	672	}
	673
	674	dc.SetBrush(brush);
	675	if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
	676	#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
	677	&& IsControlActive( (ControlRef)win->GetHandle() )
	678	#endif
	679	)
	680	dc.SetPen( *wxBLACK_PEN );
	681	else
	682	dc.SetPen( *wxTRANSPARENT_PEN );
	683
	684	dc.DrawRectangle( rect );
	685	}
	686
	687	void
	688	wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
	689	{
	690	// draw the pixels manually because the "dots" in wxPen with wxDOT style
	691	// may be short traits and not really dots
	692	//
	693	// note that to behave in the same manner as DrawRect(), we must exclude
	694	// the bottom and right borders from the rectangle
	695	wxCoord x1 = rect.GetLeft(),
	696	y1 = rect.GetTop(),
	697	x2 = rect.GetRight(),
	698	y2 = rect.GetBottom();
	699
	700	dc.SetPen(m_penBlack);
	701
	702	#ifdef __WXMAC__
	703	dc.SetLogicalFunction(wxCOPY);
	704	#else
	705	// this seems to be closer than what Windows does than wxINVERT although
	706	// I'm still not sure if it's correct
	707	dc.SetLogicalFunction(wxAND_REVERSE);
	708	#endif
	709
	710	wxCoord z;
	711	for ( z = x1 + 1; z < x2; z += 2 )
	712	dc.DrawPoint(z, rect.GetTop());
	713
	714	wxCoord shift = z == x2 ? 0 : 1;
	715	for ( z = y1 + shift; z < y2; z += 2 )
	716	dc.DrawPoint(x2, z);
	717
	718	shift = z == y2 ? 0 : 1;
	719	for ( z = x2 - shift; z > x1; z -= 2 )
	720	dc.DrawPoint(z, y2);
	721
	722	shift = z == x1 ? 0 : 1;
	723	for ( z = y2 - shift; z > y1; z -= 2 )
	724	dc.DrawPoint(x1, z);
	725
	726	dc.SetLogicalFunction(wxCOPY);
	727	}
	728
	729	// ----------------------------------------------------------------------------
	730	// A module to allow cleanup of generic renderer.
	731	// ----------------------------------------------------------------------------
	732
	733	class wxGenericRendererModule: public wxModule
	734	{
	735	DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
	736	public:
	737	wxGenericRendererModule() {}
	738	bool OnInit() { return true; }
	739	void OnExit() { wxRendererGeneric::Cleanup(); }
	740	};
	741
	742	IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)