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

#ifndef WX_PRECOMP
    #include "wx/string.h"
#endif //WX_PRECOMP

#include "wx/gdicmn.h"
#include "wx/dc.h"

#include "wx/settings.h"
#include "wx/splitter.h"
#include "wx/dcmirror.h"
#include "wx/module.h"
#include "wx/renderer.h"

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

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

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

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

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

void
wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win),
                                    wxDC& dc,
                                    const wxRect& rect,
                                    int WXUNUSED(flags))
{
    const int CORNER = 1;

    const wxCoord x = rect.x,
                  y = rect.y,
                  w = rect.width,
                  h = rect.height;

    dc.SetBrush(*wxTRANSPARENT_BRUSH);

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

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

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

// draw the plus or minus sign
void
wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
                                      wxDC& dc,
                                      const wxRect& rect,
                                      int flags)
{
    // white background
    dc.SetPen(*wxGREY_PEN);
    dc.SetBrush(*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::DrawCheckButton(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));
    }
}

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
wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
                                         wxDC& dc,
                                         const wxRect& rect,
                                         int flags)
{
    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);
    dc.SetPen(flags & wxCONTROL_CURRENT ? *wxBLACK_PEN : *wxTRANSPARENT_PEN);

    dc.DrawRectangle( rect );
}


// ----------------------------------------------------------------------------
// 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	#ifndef WX_PRECOMP
	28	#include "wx/string.h"
	29	#endif //WX_PRECOMP
	30
	31	#include "wx/gdicmn.h"
	32	#include "wx/dc.h"
	33
	34	#include "wx/settings.h"
	35	#include "wx/splitter.h"
	36	#include "wx/dcmirror.h"
	37	#include "wx/module.h"
	38	#include "wx/renderer.h"
	39
	40	// ----------------------------------------------------------------------------
	41	// wxRendererGeneric: our wxRendererNative implementation
	42	// ----------------------------------------------------------------------------
	43
	44	class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
	45	{
	46	public:
	47	wxRendererGeneric();
	48
	49	virtual void DrawHeaderButton(wxWindow *win,
	50	wxDC& dc,
	51	const wxRect& rect,
	52	int flags = 0);
	53
	54	virtual void DrawTreeItemButton(wxWindow *win,
	55	wxDC& dc,
	56	const wxRect& rect,
	57	int flags = 0);
	58
	59	virtual void DrawSplitterBorder(wxWindow *win,
	60	wxDC& dc,
	61	const wxRect& rect,
	62	int flags = 0);
	63
	64	virtual void DrawSplitterSash(wxWindow *win,
	65	wxDC& dc,
	66	const wxSize& size,
	67	wxCoord position,
	68	wxOrientation orient,
	69	int flags = 0);
	70
	71	virtual void DrawComboBoxDropButton(wxWindow *win,
	72	wxDC& dc,
	73	const wxRect& rect,
	74	int flags = 0);
	75
	76	virtual void DrawDropArrow(wxWindow *win,
	77	wxDC& dc,
	78	const wxRect& rect,
	79	int flags = 0);
	80
	81	virtual void DrawCheckButton(wxWindow *win,
	82	wxDC& dc,
	83	const wxRect& rect,
	84	int flags = 0);
	85
	86	virtual void DrawPushButton(wxWindow *win,
	87	wxDC& dc,
	88	const wxRect& rect,
	89	int flags = 0);
	90
	91	virtual void DrawItemSelectionRect(wxWindow *win,
	92	wxDC& dc,
	93	const wxRect& rect,
	94	int flags = 0);
	95
	96	virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
	97
	98	virtual wxRendererVersion GetVersion() const
	99	{
	100	return wxRendererVersion(wxRendererVersion::Current_Version,
	101	wxRendererVersion::Current_Age);
	102	}
	103
	104
	105	// Cleanup by deleting standard renderer
	106	static void Cleanup();
	107
	108	// Get the generic object
	109	static wxRendererGeneric* DoGetGeneric();
	110
	111	protected:
	112	// draw the rectange using the first pen for the left and top sides and
	113	// the second one for the bottom and right ones
	114	void DrawShadedRect(wxDC& dc, wxRect *rect,
	115	const wxPen& pen1, const wxPen& pen2);
	116
	117	// the standard pens
	118	wxPen m_penBlack,
	119	m_penDarkGrey,
	120	m_penLightGrey,
	121	m_penHighlight;
	122
	123	static wxRendererGeneric* sm_rendererGeneric;
	124	};
	125
	126	// ============================================================================
	127	// wxRendererGeneric implementation
	128	// ============================================================================
	129
	130	// Get the generic object
	131	wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
	132	{
	133	if (!sm_rendererGeneric)
	134	sm_rendererGeneric = new wxRendererGeneric;
	135	return sm_rendererGeneric;
	136	}
	137
	138	// ----------------------------------------------------------------------------
	139	// wxRendererGeneric creation
	140	// ----------------------------------------------------------------------------
	141
	142	/* static */
	143	wxRendererNative& wxRendererNative::GetGeneric()
	144	{
	145	return * wxRendererGeneric::DoGetGeneric();
	146	}
	147
	148	void wxRendererGeneric::Cleanup()
	149	{
	150	if (sm_rendererGeneric)
	151	delete sm_rendererGeneric;
	152
	153	sm_rendererGeneric = NULL;
	154	}
	155
	156	wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
	157
	158	wxRendererGeneric::wxRendererGeneric()
	159	: m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
	160	m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
	161	m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
	162	m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
	163	{
	164	}
	165
	166	// ----------------------------------------------------------------------------
	167	// wxRendererGeneric helpers
	168	// ----------------------------------------------------------------------------
	169
	170	void
	171	wxRendererGeneric::DrawShadedRect(wxDC& dc,
	172	wxRect *rect,
	173	const wxPen& pen1,
	174	const wxPen& pen2)
	175	{
	176	// draw the rectangle
	177	dc.SetPen(pen1);
	178	dc.DrawLine(rect->GetLeft(), rect->GetTop(),
	179	rect->GetLeft(), rect->GetBottom());
	180	dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
	181	rect->GetRight(), rect->GetTop());
	182	dc.SetPen(pen2);
	183	dc.DrawLine(rect->GetRight(), rect->GetTop(),
	184	rect->GetRight(), rect->GetBottom());
	185	dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
	186	rect->GetRight() + 1, rect->GetBottom());
	187
	188	// adjust the rect
	189	rect->Inflate(-1);
	190	}
	191
	192	// ----------------------------------------------------------------------------
	193	// tree/list ctrl drawing
	194	// ----------------------------------------------------------------------------
	195
	196	void
	197	wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win),
	198	wxDC& dc,
	199	const wxRect& rect,
	200	int WXUNUSED(flags))
	201	{
	202	const int CORNER = 1;
	203
	204	const wxCoord x = rect.x,
	205	y = rect.y,
	206	w = rect.width,
	207	h = rect.height;
	208
	209	dc.SetBrush(*wxTRANSPARENT_BRUSH);
	210
	211	dc.SetPen(m_penBlack);
	212	dc.DrawLine( x+w-CORNER+1, y, x+w, y+h ); // right (outer)
	213	dc.DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer)
	214
	215	dc.SetPen(m_penDarkGrey);
	216	dc.DrawLine( x+w-CORNER, y, x+w-1, y+h ); // right (inner)
	217	dc.DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner)
	218
	219	dc.SetPen(m_penHighlight);
	220	dc.DrawRectangle( x, y, w-CORNER+1, 1 ); // top (outer)
	221	dc.DrawRectangle( x, y, 1, h ); // left (outer)
	222	dc.DrawLine( x, y+h-1, x+1, y+h-1 );
	223	dc.DrawLine( x+w-1, y, x+w-1, y+1 );
	224	}
	225
	226	// draw the plus or minus sign
	227	void
	228	wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
	229	wxDC& dc,
	230	const wxRect& rect,
	231	int flags)
	232	{
	233	// white background
	234	dc.SetPen(*wxGREY_PEN);
	235	dc.SetBrush(*wxWHITE_BRUSH);
	236	dc.DrawRectangle(rect);
	237
	238	// black lines
	239	const wxCoord xMiddle = rect.x + rect.width/2;
	240	const wxCoord yMiddle = rect.y + rect.height/2;
	241
	242	// half of the length of the horz lines in "-" and "+"
	243	const wxCoord halfWidth = rect.width/2 - 2;
	244	dc.SetPen(*wxBLACK_PEN);
	245	dc.DrawLine(xMiddle - halfWidth, yMiddle,
	246	xMiddle + halfWidth + 1, yMiddle);
	247
	248	if ( !(flags & wxCONTROL_EXPANDED) )
	249	{
	250	// turn "-" into "+"
	251	const wxCoord halfHeight = rect.height/2 - 2;
	252	dc.DrawLine(xMiddle, yMiddle - halfHeight,
	253	xMiddle, yMiddle + halfHeight + 1);
	254	}
	255	}
	256
	257	// ----------------------------------------------------------------------------
	258	// sash drawing
	259	// ----------------------------------------------------------------------------
	260
	261	wxSplitterRenderParams
	262	wxRendererGeneric::GetSplitterParams(const wxWindow *win)
	263	{
	264	// see below
	265	wxCoord sashWidth,
	266	border;
	267
	268	if ( win->HasFlag(wxSP_3DSASH) )
	269	sashWidth = 7;
	270	else if ( win->HasFlag(wxSP_NOSASH) )
	271	sashWidth = 0;
	272	else // no 3D effect
	273	sashWidth = 3;
	274
	275	if ( win->HasFlag(wxSP_3DBORDER) )
	276	border = 2;
	277	else // no 3D effect
	278	border = 0;
	279
	280	return wxSplitterRenderParams(sashWidth, border, false);
	281	}
	282
	283	void
	284	wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
	285	wxDC& dc,
	286	const wxRect& rectOrig,
	287	int WXUNUSED(falgs))
	288	{
	289	if ( win->HasFlag(wxSP_3DBORDER) )
	290	{
	291	wxRect rect = rectOrig;
	292	DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
	293	DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
	294	}
	295	}
	296
	297	void
	298	wxRendererGeneric::DrawSplitterSash(wxWindow *win,
	299	wxDC& dcReal,
	300	const wxSize& sizeReal,
	301	wxCoord position,
	302	wxOrientation orient,
	303	int WXUNUSED(flags))
	304	{
	305	// to avoid duplicating the same code for horizontal and vertical sashes,
	306	// simply mirror the DC instead if needed (i.e. if horz splitter)
	307	wxMirrorDC dc(dcReal, orient != wxVERTICAL);
	308	wxSize size = dc.Reflect(sizeReal);
	309
	310
	311	// we draw a Win32-like grey sash with possible 3D border here:
	312	//
	313	// ---- this is position
	314	// /
	315	// v
	316	// dWGGGDd
	317	// GWGGGDB
	318	// GWGGGDB where G is light grey (face)
	319	// GWGGGDB W white (light)
	320	// GWGGGDB D dark grey (shadow)
	321	// GWGGGDB B black (dark shadow)
	322	// GWGGGDB
	323	// GWGGGDB and lower letters are our border (already drawn)
	324	// GWGGGDB
	325	// wWGGGDd
	326	//
	327	// only the middle 3 columns are drawn unless wxSP_3D is specified
	328
	329	const wxCoord h = size.y;
	330	wxCoord offset = 0;
	331
	332	// If we're drawing the border, draw the sash 3d lines shorter
	333	if ( win->HasFlag(wxSP_3DBORDER) )
	334	{
	335	offset = 1;
	336	}
	337
	338	dc.SetPen(*wxTRANSPARENT_PEN);
	339	dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
	340
	341	if ( win->HasFlag(wxSP_3DSASH) )
	342	{
	343	// Draw the 3D sash
	344	dc.DrawRectangle(position + 2, 0, 3, h);
	345
	346	dc.SetPen(m_penLightGrey);
	347	dc.DrawLine(position, offset, position, h - offset);
	348
	349	dc.SetPen(m_penHighlight);
	350	dc.DrawLine(position + 1, 0, position + 1, h);
	351
	352	dc.SetPen(m_penDarkGrey);
	353	dc.DrawLine(position + 5, 0, position + 5, h);
	354
	355	dc.SetPen(m_penBlack);
	356	dc.DrawLine(position + 6, offset, position + 6, h - offset);
	357	}
	358	else
	359	{
	360	// Draw a flat sash
	361	dc.DrawRectangle(position, 0, 3, h);
	362	}
	363	}
	364
	365	// ----------------------------------------------------------------------------
	366	// button drawing
	367	// ----------------------------------------------------------------------------
	368
	369	void
	370	wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
	371	wxDC& dc,
	372	const wxRect& rect,
	373	int flags)
	374	{
	375	DrawPushButton(win,dc,rect,flags);
	376	DrawDropArrow(win,dc,rect,flags);
	377	}
	378
	379	void
	380	wxRendererGeneric::DrawDropArrow(wxWindow *win,
	381	wxDC& dc,
	382	const wxRect& rect,
	383	int WXUNUSED(flags))
	384	{
	385	// This generic implementation should be good
	386	// enough for Windows platforms (including XP).
	387
	388	int arrowHalf = rect.width/5;
	389	int rectMid = rect.width / 2;
	390	int arrowTopY = (rect.height/2) - (arrowHalf/2);
	391
	392	// This should always result in arrow with odd width.
	393	wxPoint pt[] =
	394	{
	395	wxPoint(rectMid - arrowHalf, arrowTopY),
	396	wxPoint(rectMid + arrowHalf, arrowTopY),
	397	wxPoint(rectMid, arrowTopY + arrowHalf)
	398	};
	399	dc.SetBrush(wxBrush(win->GetForegroundColour()));
	400	dc.SetPen(wxPen(win->GetForegroundColour()));
	401	dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
	402	}
	403
	404	void
	405	wxRendererGeneric::DrawCheckButton(wxWindow *WXUNUSED(win),
	406	wxDC& dc,
	407	const wxRect& rect,
	408	int flags)
	409	{
	410	dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
	411	dc.SetBrush( *wxTRANSPARENT_BRUSH );
	412	dc.DrawRectangle(rect);
	413
	414	if ( flags & wxCONTROL_CHECKED )
	415	{
	416	dc.DrawCheckMark(rect.Deflate(2, 2));
	417	}
	418	}
	419
	420	void
	421	wxRendererGeneric::DrawPushButton(wxWindow *win,
	422	wxDC& dc,
	423	const wxRect& rect,
	424	int flags)
	425	{
	426	// Don't try anything too fancy. It'll just turn out looking
	427	// out-of-place on most platforms.
	428	wxColour bgCol = flags & wxCONTROL_DISABLED ?
	429	wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
	430	win->GetBackgroundColour();
	431	dc.SetBrush(wxBrush(bgCol));
	432	dc.SetPen(wxPen(bgCol));
	433	dc.DrawRectangle(rect);
	434	}
	435
	436	void
	437	wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
	438	wxDC& dc,
	439	const wxRect& rect,
	440	int flags)
	441	{
	442	wxBrush brush;
	443	if ( flags & wxCONTROL_SELECTED )
	444	{
	445	if ( flags & wxCONTROL_FOCUSED )
	446	{
	447	brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
	448	}
	449	else // !focused
	450	{
	451	brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
	452	}
	453	}
	454	else // !selected
	455	{
	456	brush = *wxTRANSPARENT_BRUSH;
	457	}
	458
	459	dc.SetBrush(brush);
	460	dc.SetPen(flags & wxCONTROL_CURRENT ? wxBLACK_PEN : wxTRANSPARENT_PEN);
	461
	462	dc.DrawRectangle( rect );
	463	}
	464
	465
	466	// ----------------------------------------------------------------------------
	467	// A module to allow cleanup of generic renderer.
	468	// ----------------------------------------------------------------------------
	469
	470	class wxGenericRendererModule: public wxModule
	471	{
	472	DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
	473	public:
	474	wxGenericRendererModule() {}
	475	bool OnInit() { return true; };
	476	void OnExit() { wxRendererGeneric::Cleanup(); };
	477	};
	478
	479	IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)