src/gtk/cursor.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        cursor.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation "cursor.h"
#endif

#include "wx/cursor.h"
#include "wx/utils.h"
#include "wx/app.h"

#include <gdk/gdk.h>
#include <gtk/gtk.h>

//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

//-----------------------------------------------------------------------------
// wxCursor
//-----------------------------------------------------------------------------

class wxCursorRefData: public wxObjectRefData
{
  public:

    wxCursorRefData();
    ~wxCursorRefData();

    GdkCursor *m_cursor;
};

wxCursorRefData::wxCursorRefData()
{
    m_cursor = (GdkCursor *) NULL;
}

wxCursorRefData::~wxCursorRefData()
{
    if (m_cursor) gdk_cursor_destroy( m_cursor );
}

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

#define M_CURSORDATA ((wxCursorRefData *)m_refData)

IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)

wxCursor::wxCursor()
{

}

wxCursor::wxCursor( int cursorId )
{
    m_refData = new wxCursorRefData();

    GdkCursorType gdk_cur = GDK_LEFT_PTR;
    switch (cursorId)
    {
        case wxCURSOR_ARROW:            // fall through to default
        case wxCURSOR_DEFAULT:          gdk_cur = GDK_LEFT_PTR; break;
        case wxCURSOR_RIGHT_ARROW:      gdk_cur = GDK_RIGHT_PTR; break;
        case wxCURSOR_HAND:             gdk_cur = GDK_HAND1; break;
        case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
        case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
        case wxCURSOR_SIZENS:           gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
        case wxCURSOR_ARROWWAIT:
        case wxCURSOR_WAIT:
        case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;
        case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; break;
        case wxCURSOR_SPRAYCAN:         gdk_cur = GDK_SPRAYCAN; break;
        case wxCURSOR_IBEAM:            gdk_cur = GDK_XTERM; break;
        case wxCURSOR_PENCIL:           gdk_cur = GDK_PENCIL; break;
        case wxCURSOR_NO_ENTRY:         gdk_cur = GDK_PIRATE; break;
        case wxCURSOR_SIZENWSE:
        case wxCURSOR_SIZENESW:         gdk_cur = GDK_FLEUR; break;
        case wxCURSOR_QUESTION_ARROW:   gdk_cur = GDK_QUESTION_ARROW; break;
        case wxCURSOR_PAINT_BRUSH:      gdk_cur = GDK_SPRAYCAN; break;
        case wxCURSOR_MAGNIFIER:        gdk_cur = GDK_PLUS; break;
        case wxCURSOR_CHAR:             gdk_cur = GDK_XTERM; break;
        case wxCURSOR_LEFT_BUTTON:      gdk_cur = GDK_LEFTBUTTON; break;
        case wxCURSOR_MIDDLE_BUTTON:    gdk_cur = GDK_MIDDLEBUTTON; break;
        case wxCURSOR_RIGHT_BUTTON:     gdk_cur = GDK_RIGHTBUTTON; break;
        case wxCURSOR_BULLSEYE:         gdk_cur = GDK_TARGET; break;

        case wxCURSOR_POINT_LEFT:       gdk_cur = GDK_SB_LEFT_ARROW; break;
        case wxCURSOR_POINT_RIGHT:      gdk_cur = GDK_SB_RIGHT_ARROW; break;
/*
        case wxCURSOR_DOUBLE_ARROW:     gdk_cur = GDK_DOUBLE_ARROW; break;
        case wxCURSOR_CROSS_REVERSE:    gdk_cur = GDK_CROSS_REVERSE; break;
        case wxCURSOR_BASED_ARROW_UP:   gdk_cur = GDK_BASED_ARROW_UP; break;
        case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
*/
        default:
            wxFAIL_MSG(wxT("unsupported cursor type"));
            // will use the standard one
            break;
    }

    M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
}

extern GtkWidget *wxGetRootWindow();

wxCursor::wxCursor(const char bits[], int width, int  height,
                   int hotSpotX, int hotSpotY,
                   const char maskBits[], wxColour *fg, wxColour *bg)
{
    if (!maskBits)
        maskBits = bits;
    if (!fg)
        fg = wxBLACK;
    if (!bg)
        bg = wxWHITE;
    if (hotSpotX < 0 || hotSpotX >= width)
        hotSpotX = 0;
    if (hotSpotY < 0 || hotSpotY >= height)
        hotSpotY = 0;

    GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height );
    GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits, width, height);

    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
                 data, mask, fg->GetColor(), bg->GetColor(),
                 hotSpotX, hotSpotY );

    gdk_bitmap_unref( data );
    gdk_bitmap_unref( mask );
}


wxCursor::wxCursor( const wxCursor &cursor )
{
    Ref( cursor );
}

#if wxUSE_IMAGE
wxCursor::wxCursor( const wxImage & image )
{
    unsigned char * rgbBits = image.GetData();
    int w = image.GetWidth()  ;
    int h = image.GetHeight() ;
    bool bHasMask = image.HasMask() ;
    int imagebitcount = (w*h)/8;

    unsigned char r, g, b ;
    unsigned char * bits = new unsigned char [imagebitcount];
    unsigned char * maskBits = new unsigned char [imagebitcount];

    int i,j, i8; unsigned char c, cMask;
    for (i=0; i<imagebitcount; i++)
        {
        bits[i] = 0;
        i8 = i * 8;

        cMask = 1;
        for (j=0; j<8; j++)
           {
           // possible overflow if we do the summation first ?
           c = rgbBits[(i8+j)*3]/3 + rgbBits[(i8+j)*3+1]/3 + rgbBits[(i8+j)*3+2]/3 ;
           //if average value is > mid grey
           if (c>127)
              bits[i] = bits[i] | cMask ;
           cMask = cMask * 2 ;
           }
        }
    if (bHasMask)
        {
        r = image.GetMaskRed() ;
        g = image.GetMaskGreen() ;
        b = image.GetMaskBlue() ;

        for (i=0; i<imagebitcount; i++)
        {
        maskBits[i] = 0x0;
        i8 = i * 8;

        cMask = 1;
        for (j=0; j<8; j++)
           {
           if (rgbBits[(i8+j)*3] != r || rgbBits[(i8+j)*3+1] != g || rgbBits[(i8+j)*3+2] != b)
              maskBits[i] = maskBits[i] | cMask ;
           cMask = cMask * 2 ;
           }
        }
        }
      else
        {
        for (i=0; i<imagebitcount; i++)
            maskBits[i]= 0xFF ;
        }
    //find the most frequent color(s)
    //it seems a waste of effort to copy the image
    //but otherwise we need to remove the const modifier ??
    wxImage tmpImage = image.Copy();
    wxImageHistogram histogram;

    //colors as rrggbb
    unsigned long key;
    unsigned long value;
    unsigned long keyMaskColor = 0;
    if (bHasMask)
        keyMaskColor = (r << 16) | (g << 8) | b;

    tmpImage.ComputeHistogram(histogram);

    long MostFreqCol = 0;
    unsigned long nMost = 0;
    long NextFreqCol = 0;
    unsigned long nNext = 0;
    wxImageHistogram::iterator entry = histogram.begin();

    while ( entry != histogram.end() )
    {
        value = entry->second.value;
        key = entry->first;
        if ( !bHasMask || (key != keyMaskColor) )
        {
            if (value > nMost)
            {
                nMost = value;
                MostFreqCol = key;
            }
            else if (value > nNext)
            {
                nNext = value;
                NextFreqCol = key;
            }
        }
    }

    wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
                             (unsigned char)(MostFreqCol >> 8),
                             (unsigned char)(MostFreqCol) ) ;

    wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
                             (unsigned char)(NextFreqCol >> 8),
                             (unsigned char)(NextFreqCol) ) ;

    int hotSpotX=0;
    int hotSpotY=0;

    if (image.HasOption(wxCUR_HOTSPOT_X))
        hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
    if (image.HasOption(wxCUR_HOTSPOT_Y))
        hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);

    if (hotSpotX < 0 || hotSpotX >= w)
        hotSpotX = 0;
    if (hotSpotY < 0 || hotSpotY >= h)
        hotSpotY = 0;

    GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits,
        w, h );
    GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits,
        w, h );

    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
        data, mask, fg.GetColor(), bg.GetColor(),
        hotSpotX, hotSpotY );

    gdk_bitmap_unref( data );
    gdk_bitmap_unref( mask );
    delete [] bits ;
    delete [] maskBits;
}
#endif

wxCursor::~wxCursor()
{
}

wxCursor& wxCursor::operator = ( const wxCursor& cursor )
{
    if (*this == cursor)
        return (*this);

    Ref( cursor );

    return *this;
}

bool wxCursor::operator == ( const wxCursor& cursor ) const
{
    return m_refData == cursor.m_refData;
}

bool wxCursor::operator != ( const wxCursor& cursor ) const
{
    return m_refData != cursor.m_refData;
}

bool wxCursor::Ok() const
{
    return (m_refData != NULL);
}

GdkCursor *wxCursor::GetCursor() const
{
    return M_CURSORDATA->m_cursor;
}

//-----------------------------------------------------------------------------
// busy cursor routines
//-----------------------------------------------------------------------------

extern wxCursor g_globalCursor;

static wxCursor  gs_savedCursor;
static int       gs_busyCount = 0;

const wxCursor &wxBusyCursor::GetStoredCursor()
{
    return gs_savedCursor;
}

const wxCursor wxBusyCursor::GetBusyCursor()
{
    return wxCursor(wxCURSOR_WATCH);
}

void wxEndBusyCursor()
{
    if (--gs_busyCount > 0)
        return;

    wxSetCursor( gs_savedCursor );
    gs_savedCursor = wxNullCursor;

    if (wxTheApp)
        wxTheApp->SendIdleEvents();
}

void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
{
    if (gs_busyCount++ > 0)
        return;

    wxASSERT_MSG( !gs_savedCursor.Ok(),
                  wxT("forgot to call wxEndBusyCursor, will leak memory") );

    gs_savedCursor = g_globalCursor;

    wxSetCursor( wxCursor(wxCURSOR_WATCH) );

    if (wxTheApp)
        wxTheApp->SendIdleEvents();

    gdk_flush();
}

bool wxIsBusy()
{
    return gs_busyCount > 0;
}

void wxSetCursor( const wxCursor& cursor )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    g_globalCursor = cursor;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: cursor.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation "cursor.h"
	13	#endif
	14
	15	#include "wx/cursor.h"
	16	#include "wx/utils.h"
	17	#include "wx/app.h"
	18
	19	#include <gdk/gdk.h>
	20	#include <gtk/gtk.h>
	21
	22	//-----------------------------------------------------------------------------
	23	// idle system
	24	//-----------------------------------------------------------------------------
	25
	26	extern void wxapp_install_idle_handler();
	27	extern bool g_isIdle;
	28
	29	//-----------------------------------------------------------------------------
	30	// wxCursor
	31	//-----------------------------------------------------------------------------
	32
	33	class wxCursorRefData: public wxObjectRefData
	34	{
	35	public:
	36
	37	wxCursorRefData();
	38	~wxCursorRefData();
	39
	40	GdkCursor *m_cursor;
	41	};
	42
	43	wxCursorRefData::wxCursorRefData()
	44	{
	45	m_cursor = (GdkCursor *) NULL;
	46	}
	47
	48	wxCursorRefData::~wxCursorRefData()
	49	{
	50	if (m_cursor) gdk_cursor_destroy( m_cursor );
	51	}
	52
	53	//-----------------------------------------------------------------------------
	54
	55	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	56
	57	IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
	58
	59	wxCursor::wxCursor()
	60	{
	61
	62	}
	63
	64	wxCursor::wxCursor( int cursorId )
	65	{
	66	m_refData = new wxCursorRefData();
	67
	68	GdkCursorType gdk_cur = GDK_LEFT_PTR;
	69	switch (cursorId)
	70	{
	71	case wxCURSOR_ARROW: // fall through to default
	72	case wxCURSOR_DEFAULT: gdk_cur = GDK_LEFT_PTR; break;
	73	case wxCURSOR_RIGHT_ARROW: gdk_cur = GDK_RIGHT_PTR; break;
	74	case wxCURSOR_HAND: gdk_cur = GDK_HAND1; break;
	75	case wxCURSOR_CROSS: gdk_cur = GDK_CROSSHAIR; break;
	76	case wxCURSOR_SIZEWE: gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
	77	case wxCURSOR_SIZENS: gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
	78	case wxCURSOR_ARROWWAIT:
	79	case wxCURSOR_WAIT:
	80	case wxCURSOR_WATCH: gdk_cur = GDK_WATCH; break;
	81	case wxCURSOR_SIZING: gdk_cur = GDK_SIZING; break;
	82	case wxCURSOR_SPRAYCAN: gdk_cur = GDK_SPRAYCAN; break;
	83	case wxCURSOR_IBEAM: gdk_cur = GDK_XTERM; break;
	84	case wxCURSOR_PENCIL: gdk_cur = GDK_PENCIL; break;
	85	case wxCURSOR_NO_ENTRY: gdk_cur = GDK_PIRATE; break;
	86	case wxCURSOR_SIZENWSE:
	87	case wxCURSOR_SIZENESW: gdk_cur = GDK_FLEUR; break;
	88	case wxCURSOR_QUESTION_ARROW: gdk_cur = GDK_QUESTION_ARROW; break;
	89	case wxCURSOR_PAINT_BRUSH: gdk_cur = GDK_SPRAYCAN; break;
	90	case wxCURSOR_MAGNIFIER: gdk_cur = GDK_PLUS; break;
	91	case wxCURSOR_CHAR: gdk_cur = GDK_XTERM; break;
	92	case wxCURSOR_LEFT_BUTTON: gdk_cur = GDK_LEFTBUTTON; break;
	93	case wxCURSOR_MIDDLE_BUTTON: gdk_cur = GDK_MIDDLEBUTTON; break;
	94	case wxCURSOR_RIGHT_BUTTON: gdk_cur = GDK_RIGHTBUTTON; break;
	95	case wxCURSOR_BULLSEYE: gdk_cur = GDK_TARGET; break;
	96
	97	case wxCURSOR_POINT_LEFT: gdk_cur = GDK_SB_LEFT_ARROW; break;
	98	case wxCURSOR_POINT_RIGHT: gdk_cur = GDK_SB_RIGHT_ARROW; break;
	99	/*
	100	case wxCURSOR_DOUBLE_ARROW: gdk_cur = GDK_DOUBLE_ARROW; break;
	101	case wxCURSOR_CROSS_REVERSE: gdk_cur = GDK_CROSS_REVERSE; break;
	102	case wxCURSOR_BASED_ARROW_UP: gdk_cur = GDK_BASED_ARROW_UP; break;
	103	case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
	104	*/
	105	default:
	106	wxFAIL_MSG(wxT("unsupported cursor type"));
	107	// will use the standard one
	108	break;
	109	}
	110
	111	M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
	112	}
	113
	114	extern GtkWidget *wxGetRootWindow();
	115
	116	wxCursor::wxCursor(const char bits[], int width, int height,
	117	int hotSpotX, int hotSpotY,
	118	const char maskBits[], wxColour fg, wxColour bg)
	119	{
	120	if (!maskBits)
	121	maskBits = bits;
	122	if (!fg)
	123	fg = wxBLACK;
	124	if (!bg)
	125	bg = wxWHITE;
	126	if (hotSpotX < 0 \|\| hotSpotX >= width)
	127	hotSpotX = 0;
	128	if (hotSpotY < 0 \|\| hotSpotY >= height)
	129	hotSpotY = 0;
	130
	131	GdkBitmap data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar ) bits, width, height );
	132	GdkBitmap mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar ) maskBits, width, height);
	133
	134	m_refData = new wxCursorRefData;
	135	M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
	136	data, mask, fg->GetColor(), bg->GetColor(),
	137	hotSpotX, hotSpotY );
	138
	139	gdk_bitmap_unref( data );
	140	gdk_bitmap_unref( mask );
	141	}
	142
	143
	144	wxCursor::wxCursor( const wxCursor &cursor )
	145	{
	146	Ref( cursor );
	147	}
	148
	149	#if wxUSE_IMAGE
	150	wxCursor::wxCursor( const wxImage & image )
	151	{
	152	unsigned char * rgbBits = image.GetData();
	153	int w = image.GetWidth() ;
	154	int h = image.GetHeight() ;
	155	bool bHasMask = image.HasMask() ;
	156	int imagebitcount = (w*h)/8;
	157
	158	unsigned char r, g, b ;
	159	unsigned char * bits = new unsigned char [imagebitcount];
	160	unsigned char * maskBits = new unsigned char [imagebitcount];
	161
	162	int i,j, i8; unsigned char c, cMask;
	163	for (i=0; i<imagebitcount; i++)
	164	{
	165	bits[i] = 0;
	166	i8 = i * 8;
	167
	168	cMask = 1;
	169	for (j=0; j<8; j++)
	170	{
	171	// possible overflow if we do the summation first ?
	172	c = rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3 ;
	173	//if average value is > mid grey
	174	if (c>127)
	175	bits[i] = bits[i] \| cMask ;
	176	cMask = cMask * 2 ;
	177	}
	178	}
	179	if (bHasMask)
	180	{
	181	r = image.GetMaskRed() ;
	182	g = image.GetMaskGreen() ;
	183	b = image.GetMaskBlue() ;
	184
	185	for (i=0; i<imagebitcount; i++)
	186	{
	187	maskBits[i] = 0x0;
	188	i8 = i * 8;
	189
	190	cMask = 1;
	191	for (j=0; j<8; j++)
	192	{
	193	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	194	maskBits[i] = maskBits[i] \| cMask ;
	195	cMask = cMask * 2 ;
	196	}
	197	}
	198	}
	199	else
	200	{
	201	for (i=0; i<imagebitcount; i++)
	202	maskBits[i]= 0xFF ;
	203	}
	204	//find the most frequent color(s)
	205	//it seems a waste of effort to copy the image
	206	//but otherwise we need to remove the const modifier ??
	207	wxImage tmpImage = image.Copy();
	208	wxImageHistogram histogram;
	209
	210	//colors as rrggbb
	211	unsigned long key;
	212	unsigned long value;
	213	unsigned long keyMaskColor = 0;
	214	if (bHasMask)
	215	keyMaskColor = (r << 16) \| (g << 8) \| b;
	216
	217	tmpImage.ComputeHistogram(histogram);
	218
	219	long MostFreqCol = 0;
	220	unsigned long nMost = 0;
	221	long NextFreqCol = 0;
	222	unsigned long nNext = 0;
	223	wxImageHistogram::iterator entry = histogram.begin();
	224
	225	while ( entry != histogram.end() )
	226	{
	227	value = entry->second.value;
	228	key = entry->first;
	229	if ( !bHasMask \|\| (key != keyMaskColor) )
	230	{
	231	if (value > nMost)
	232	{
	233	nMost = value;
	234	MostFreqCol = key;
	235	}
	236	else if (value > nNext)
	237	{
	238	nNext = value;
	239	NextFreqCol = key;
	240	}
	241	}
	242	}
	243
	244	wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
	245	(unsigned char)(MostFreqCol >> 8),
	246	(unsigned char)(MostFreqCol) ) ;
	247
	248	wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
	249	(unsigned char)(NextFreqCol >> 8),
	250	(unsigned char)(NextFreqCol) ) ;
	251
	252	int hotSpotX=0;
	253	int hotSpotY=0;
	254
	255	if (image.HasOption(wxCUR_HOTSPOT_X))
	256	hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
	257	if (image.HasOption(wxCUR_HOTSPOT_Y))
	258	hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
	259
	260	if (hotSpotX < 0 \|\| hotSpotX >= w)
	261	hotSpotX = 0;
	262	if (hotSpotY < 0 \|\| hotSpotY >= h)
	263	hotSpotY = 0;
	264
	265	GdkBitmap data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar ) bits,
	266	w, h );
	267	GdkBitmap mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar ) maskBits,
	268	w, h );
	269
	270	m_refData = new wxCursorRefData;
	271	M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
	272	data, mask, fg.GetColor(), bg.GetColor(),
	273	hotSpotX, hotSpotY );
	274
	275	gdk_bitmap_unref( data );
	276	gdk_bitmap_unref( mask );
	277	delete [] bits ;
	278	delete [] maskBits;
	279	}
	280	#endif
	281
	282	wxCursor::~wxCursor()
	283	{
	284	}
	285
	286	wxCursor& wxCursor::operator = ( const wxCursor& cursor )
	287	{
	288	if (*this == cursor)
	289	return (*this);
	290
	291	Ref( cursor );
	292
	293	return *this;
	294	}
	295
	296	bool wxCursor::operator == ( const wxCursor& cursor ) const
	297	{
	298	return m_refData == cursor.m_refData;
	299	}
	300
	301	bool wxCursor::operator != ( const wxCursor& cursor ) const
	302	{
	303	return m_refData != cursor.m_refData;
	304	}
	305
	306	bool wxCursor::Ok() const
	307	{
	308	return (m_refData != NULL);
	309	}
	310
	311	GdkCursor *wxCursor::GetCursor() const
	312	{
	313	return M_CURSORDATA->m_cursor;
	314	}
	315
	316	//-----------------------------------------------------------------------------
	317	// busy cursor routines
	318	//-----------------------------------------------------------------------------
	319
	320	extern wxCursor g_globalCursor;
	321
	322	static wxCursor gs_savedCursor;
	323	static int gs_busyCount = 0;
	324
	325	const wxCursor &wxBusyCursor::GetStoredCursor()
	326	{
	327	return gs_savedCursor;
	328	}
	329
	330	const wxCursor wxBusyCursor::GetBusyCursor()
	331	{
	332	return wxCursor(wxCURSOR_WATCH);
	333	}
	334
	335	void wxEndBusyCursor()
	336	{
	337	if (--gs_busyCount > 0)
	338	return;
	339
	340	wxSetCursor( gs_savedCursor );
	341	gs_savedCursor = wxNullCursor;
	342
	343	if (wxTheApp)
	344	wxTheApp->SendIdleEvents();
	345	}
	346
	347	void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
	348	{
	349	if (gs_busyCount++ > 0)
	350	return;
	351
	352	wxASSERT_MSG( !gs_savedCursor.Ok(),
	353	wxT("forgot to call wxEndBusyCursor, will leak memory") );
	354
	355	gs_savedCursor = g_globalCursor;
	356
	357	wxSetCursor( wxCursor(wxCURSOR_WATCH) );
	358
	359	if (wxTheApp)
	360	wxTheApp->SendIdleEvents();
	361
	362	gdk_flush();
	363	}
	364
	365	bool wxIsBusy()
	366	{
	367	return gs_busyCount > 0;
	368	}
	369
	370	void wxSetCursor( const wxCursor& cursor )
	371	{
	372	if (g_isIdle)
	373	wxapp_install_idle_handler();
	374
	375	g_globalCursor = cursor;
	376	}