src/motif/cursor.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/motif/cursor.cpp
// Purpose:     wxCursor class
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

#include "wx/cursor.h"

#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/utils.h"
    #include "wx/window.h"
#endif

#if wxUSE_IMAGE
    #include "wx/image.h"
#endif

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Xm.h>
#include <X11/cursorfont.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif

#include "wx/motif/private.h"

// Cursor for one display, so we can choose the correct one for
// the current display.
class wxXCursor
{
public:
    WXDisplay*  m_display;
    WXCursor    m_cursor;
};

WX_DECLARE_LIST(wxXCursor, wxXCursorList);
#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxXCursorList)

class WXDLLEXPORT wxCursorRefData: public wxObjectRefData
{
    friend class WXDLLEXPORT wxCursor;
public:
    wxCursorRefData();
    ~wxCursorRefData();

    wxXCursorList m_cursors;  // wxXCursor objects, one per display
    wxStockCursor m_cursorId; // wxWidgets standard cursor id
};

#define M_CURSORDATA ((wxCursorRefData *)m_refData)
#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)

IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)

wxCursorRefData::wxCursorRefData()
{
    m_cursorId = wxCURSOR_NONE;
}

wxCursorRefData::~wxCursorRefData()
{
    wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
    while (node)
    {
        wxXCursor* c = node->GetData();
        XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
        delete c;
        node = node->GetNext();
    }
}

wxCursor::wxCursor()
{
}

#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 * 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] = 0xff;
        i8 = i * 8;

        cMask = 0xfe; // 11111110
        for (j=0; j<8; j++)
        {
            // possible overflow if we do the summation first ?
            c = (unsigned char)(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 = (unsigned char)((cMask << 1) | 1);
        }
    }

    if (bHasMask)
    {
        unsigned char
            r = image.GetMaskRed(),
            g = image.GetMaskGreen(),
            b = image.GetMaskBlue();

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

            cMask = 0x1;
            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 = (unsigned char)(cMask << 1);
            }
        }
    }
    else // no mask
    {
        for (i=0; i<imagebitcount; i++)
            maskBits[i] = 0xFF;
    }

    int hotSpotX;
    int hotSpotY;

    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
        hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
    else
        hotSpotX = 0;

    if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
        hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
    else
        hotSpotY = 0;

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

    Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
            (const char*)maskBits );

    delete[] bits;
    delete[] maskBits;
}
#endif

void wxCursor::Create(const char bits[], int width, int height,
                      int hotSpotX, int hotSpotY, const char maskBits[])
{
    if( !m_refData )
        m_refData = new wxCursorRefData;

    Display *dpy = (Display*) wxGetDisplay();
    int screen_num =  DefaultScreen (dpy);

    Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
                                          RootWindow (dpy, screen_num),
                                          (char*) bits, width, height,
                                          1 , 0 , 1);

    Pixmap mask_pixmap = None;
    if (maskBits != NULL)
    {
        mask_pixmap = XCreatePixmapFromBitmapData (dpy,
                                          RootWindow (dpy, screen_num),
                                          (char*) maskBits, width, height,
                                          1 , 0 , 1);
    }

    Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );

    XFreePixmap( dpy, pixmap );
    if (mask_pixmap != None)
    {
        XFreePixmap( dpy, mask_pixmap );
    }
}

void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
                      int hotSpotX, int hotSpotY)
{
    if( !m_refData )
        m_refData = new wxCursorRefData;

    Display *dpy = (Display*) wxGetDisplay();
    int screen_num =  DefaultScreen (dpy);

    XColor foreground_color;
    XColor background_color;
    foreground_color.pixel = BlackPixel(dpy, screen_num);
    background_color.pixel = WhitePixel(dpy, screen_num);
    Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
    XQueryColor(dpy, cmap, &foreground_color);
    XQueryColor(dpy, cmap, &background_color);

    Cursor cursor = XCreatePixmapCursor (dpy,
                                  (Pixmap)pixmap,
                                  (Pixmap)mask_pixmap,
                                  &foreground_color,
                                  &background_color,
                                  hotSpotX ,
                                  hotSpotY);

    if (cursor)
    {
        wxXCursor *c = new wxXCursor;

        c->m_cursor = (WXCursor) cursor;
        c->m_display = (WXDisplay*) dpy;
        M_CURSORDATA->m_cursors.Append(c);
    }
}

wxCursor::wxCursor(const char bits[], int width, int height,
                   int hotSpotX, int hotSpotY, const char maskBits[])
{
    Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
}

wxCursor::wxCursor(const wxString& name, long flags, int hotSpotX, int hotSpotY)
{
    // Must be an XBM file
    if (flags != wxBITMAP_TYPE_XBM)
        return;

    m_refData = new wxCursorRefData;

    int hotX = -1, hotY = -1;
    unsigned int w, h;
    Pixmap pixmap = None, mask_pixmap = None;

    Display *dpy = (Display*) wxGetDisplay();
    int screen_num =  DefaultScreen (dpy);

    int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
                                 wxConstCast(name.c_str(), char),
                                 &w, &h, &pixmap, &hotX, &hotY);

    if (value == BitmapSuccess)
    {
        // TODO: how do we determine whether hotX, hotY were read correctly?
        if (hotX < 0 || hotY < 0)
        {
            hotX = hotSpotX;
            hotY = hotSpotY;
        }
        if (hotX < 0 || hotY < 0)
        {
            hotX = 0;
            hotY = 0;
        }

        Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );

        XFreePixmap( dpy, pixmap );
    }
}

// Cursors by stock number
wxCursor::wxCursor(wxStockCursor id)
{
    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursorId = id;
}

wxCursor::~wxCursor()
{
}

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

// Motif-specific: create/get a cursor for the current display
WXCursor wxCursor::GetXCursor(WXDisplay* display) const
{
    if (!M_CURSORDATA)
        return (WXCursor) 0;
    wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
    while (node)
    {
        wxXCursor* c = node->GetData();
        if (c->m_display == display)
            return c->m_cursor;
        node = node->GetNext();
    }

    // No cursor for this display, so let's see if we're an id-type cursor.

    if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
    {
        WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
        if (cursor)
        {
            wxXCursor* c = new wxXCursor;
            c->m_cursor = cursor;
            c->m_display = display;
            M_CURSORDATA->m_cursors.Append(c);
            return cursor;
        }
        else
            return (WXCursor) 0;
    }

    // Not an id-type cursor, so we don't know how to create it.
    return (WXCursor) 0;
}

// Make a cursor from standard id
WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
{
    Display* dpy = (Display*) display;
    Cursor cursor = (Cursor) 0;
    int x_cur = -1;

    switch (id)
    {
    case wxCURSOR_CHAR:             return (WXCursor)cursor;

    case wxCURSOR_WAIT:             x_cur = XC_watch; break;
    case wxCURSOR_CROSS:            x_cur = XC_crosshair; break;
    case wxCURSOR_HAND:             x_cur = XC_hand1; break;
    case wxCURSOR_BULLSEYE:         x_cur = XC_target; break;
    case wxCURSOR_PENCIL:           x_cur = XC_pencil; break;
    case wxCURSOR_MAGNIFIER:        x_cur = XC_sizing; break;
    case wxCURSOR_IBEAM:            x_cur = XC_xterm; break;
    case wxCURSOR_NO_ENTRY:         x_cur = XC_pirate; break;
    case wxCURSOR_LEFT_BUTTON:      x_cur = XC_leftbutton; break;
    case wxCURSOR_RIGHT_BUTTON:     x_cur = XC_rightbutton; break;
    case wxCURSOR_MIDDLE_BUTTON:    x_cur =  XC_middlebutton; break;
    case wxCURSOR_QUESTION_ARROW:   x_cur = XC_question_arrow; break;
    case wxCURSOR_SIZING:           x_cur = XC_sizing; break;
    case wxCURSOR_WATCH:            x_cur = XC_watch; break;
    case wxCURSOR_SPRAYCAN:         x_cur = XC_spraycan; break;
    case wxCURSOR_PAINT_BRUSH:      x_cur = XC_spraycan; break;
    case wxCURSOR_SIZENWSE:
    case wxCURSOR_SIZENESW:         x_cur = XC_crosshair; break;
    case wxCURSOR_SIZEWE:           x_cur = XC_sb_h_double_arrow; break;
    case wxCURSOR_SIZENS:           x_cur = XC_sb_v_double_arrow; break;
    case wxCURSOR_POINT_LEFT:       x_cur = XC_sb_left_arrow; break;
    case wxCURSOR_POINT_RIGHT:      x_cur = XC_sb_right_arrow; break;
        // (JD Huggins) added more stock cursors for X
        // X-only cursors BEGIN
    case wxCURSOR_CROSS_REVERSE:    x_cur = XC_cross_reverse; break;
    case wxCURSOR_DOUBLE_ARROW:     x_cur = XC_double_arrow; break;
    case wxCURSOR_BASED_ARROW_UP:   x_cur = XC_based_arrow_up; break;
    case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
    case wxCURSOR_BLANK:
    {
        GC gc;
        XGCValues gcv;
        Pixmap empty_pixmap;
        XColor blank_color;

        empty_pixmap =
            XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
                           16, 16, 1);
        gcv.function = GXxor;
        gc = XCreateGC (dpy,
                        empty_pixmap,
                        GCFunction,
                        &gcv);
        XCopyArea (dpy,
                   empty_pixmap,
                   empty_pixmap,
                   gc,
                   0, 0,
                   16, 16,
                   0, 0);
        XFreeGC (dpy, gc);
        cursor = XCreatePixmapCursor (dpy,
                                      empty_pixmap,
                                      empty_pixmap,
                                      &blank_color,
                                      &blank_color,
                                      8, 8);

        break;
    }
    case wxCURSOR_ARROW:
    default:       x_cur =  XC_top_left_arrow; break;
    }

    if( x_cur == -1 )
        return (WXCursor)cursor;

    cursor = XCreateFontCursor (dpy, x_cur);
    return (WXCursor) cursor;
}

// Global cursor setting
void wxSetCursor(const wxCursor& WXUNUSED(cursor))
{
  // Nothing to do for Motif (no global cursor)
}


// ----------------------------------------------------------------------------
// busy cursor stuff
// ----------------------------------------------------------------------------

static int wxBusyCursorCount = 0;

// Helper function
static void
wxXSetBusyCursor (wxWindow * win, const wxCursor * cursor)
{
    Display *display = (Display*) win->GetXDisplay();

    Window xwin = (Window) win->GetXWindow();
    if (!xwin)
       return;

    XSetWindowAttributes attrs;

    if (cursor)
    {
        attrs.cursor = (Cursor) cursor->GetXCursor(display);
    }
    else
    {
        // Restore old cursor
        if (win->GetCursor().Ok())
            attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
        else
            attrs.cursor = None;
    }
    if (xwin)
        XChangeWindowAttributes (display, xwin, CWCursor, &attrs);

    XFlush (display);

    for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
        node = node->GetNext())
    {
        wxWindow *child = node->GetData ();
        wxXSetBusyCursor (child, cursor);
    }
}

// Set the cursor to the busy cursor for all windows
void wxBeginBusyCursor(const wxCursor *cursor)
{
    wxBusyCursorCount++;
    if (wxBusyCursorCount == 1)
    {
        for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
            node = node->GetNext())
        {
            wxWindow *win = node->GetData ();
            wxXSetBusyCursor (win, cursor);
        }
    }
}

// Restore cursor to normal
void wxEndBusyCursor()
{
    if (wxBusyCursorCount == 0)
        return;

    wxBusyCursorCount--;
    if (wxBusyCursorCount == 0)
    {
        for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
            node = node->GetNext())
        {
            wxWindow *win = node->GetData ();
            wxXSetBusyCursor (win, NULL);
        }
    }
}

// true if we're between the above two calls
bool wxIsBusy()
{
    return (wxBusyCursorCount > 0);
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/motif/cursor.cpp
	3	// Purpose: wxCursor class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 17/09/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// For compilers that support precompilation, includes "wx.h".
	13	#include "wx/wxprec.h"
	14
	15	#ifndef WX_PRECOMP
	16	#include "wx/list.h"
	17	#endif
	18
	19	#include "wx/cursor.h"
	20
	21	#ifndef WX_PRECOMP
	22	#include "wx/app.h"
	23	#include "wx/utils.h"
	24	#include "wx/window.h"
	25	#endif
	26
	27	#if wxUSE_IMAGE
	28	#include "wx/image.h"
	29	#endif
	30
	31	#ifdef __VMS__
	32	#pragma message disable nosimpint
	33	#endif
	34	#include <Xm/Xm.h>
	35	#include <X11/cursorfont.h>
	36	#ifdef __VMS__
	37	#pragma message enable nosimpint
	38	#endif
	39
	40	#include "wx/motif/private.h"
	41
	42	// Cursor for one display, so we can choose the correct one for
	43	// the current display.
	44	class wxXCursor
	45	{
	46	public:
	47	WXDisplay* m_display;
	48	WXCursor m_cursor;
	49	};
	50
	51	WX_DECLARE_LIST(wxXCursor, wxXCursorList);
	52	#include "wx/listimpl.cpp"
	53	WX_DEFINE_LIST(wxXCursorList)
	54
	55	class WXDLLEXPORT wxCursorRefData: public wxObjectRefData
	56	{
	57	friend class WXDLLEXPORT wxCursor;
	58	public:
	59	wxCursorRefData();
	60	~wxCursorRefData();
	61
	62	wxXCursorList m_cursors; // wxXCursor objects, one per display
	63	wxStockCursor m_cursorId; // wxWidgets standard cursor id
	64	};
	65
	66	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	67	#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
	68
	69	IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
	70
	71	wxCursorRefData::wxCursorRefData()
	72	{
	73	m_cursorId = wxCURSOR_NONE;
	74	}
	75
	76	wxCursorRefData::~wxCursorRefData()
	77	{
	78	wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
	79	while (node)
	80	{
	81	wxXCursor* c = node->GetData();
	82	XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
	83	delete c;
	84	node = node->GetNext();
	85	}
	86	}
	87
	88	wxCursor::wxCursor()
	89	{
	90	}
	91
	92	#if wxUSE_IMAGE
	93	wxCursor::wxCursor(const wxImage & image)
	94	{
	95	unsigned char * rgbBits = image.GetData();
	96	int w = image.GetWidth() ;
	97	int h = image.GetHeight();
	98	bool bHasMask = image.HasMask();
	99	int imagebitcount = (w*h)/8;
	100
	101	unsigned char * bits = new unsigned char [imagebitcount];
	102	unsigned char * maskBits = new unsigned char [imagebitcount];
	103
	104	int i, j, i8;
	105	unsigned char c, cMask;
	106	for (i=0; i<imagebitcount; i++)
	107	{
	108	bits[i] = 0xff;
	109	i8 = i * 8;
	110
	111	cMask = 0xfe; // 11111110
	112	for (j=0; j<8; j++)
	113	{
	114	// possible overflow if we do the summation first ?
	115	c = (unsigned char)(rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3);
	116	// if average value is > mid grey
	117	if (c>127)
	118	bits[i] = bits[i] & cMask;
	119	cMask = (unsigned char)((cMask << 1) \| 1);
	120	}
	121	}
	122
	123	if (bHasMask)
	124	{
	125	unsigned char
	126	r = image.GetMaskRed(),
	127	g = image.GetMaskGreen(),
	128	b = image.GetMaskBlue();
	129
	130	for (i=0; i<imagebitcount; i++)
	131	{
	132	maskBits[i] = 0x0;
	133	i8 = i * 8;
	134
	135	cMask = 0x1;
	136	for (j=0; j<8; j++)
	137	{
	138	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	139	maskBits[i] = maskBits[i] \| cMask;
	140	cMask = (unsigned char)(cMask << 1);
	141	}
	142	}
	143	}
	144	else // no mask
	145	{
	146	for (i=0; i<imagebitcount; i++)
	147	maskBits[i] = 0xFF;
	148	}
	149
	150	int hotSpotX;
	151	int hotSpotY;
	152
	153	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
	154	hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
	155	else
	156	hotSpotX = 0;
	157
	158	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
	159	hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
	160	else
	161	hotSpotY = 0;
	162
	163	if (hotSpotX < 0 \|\| hotSpotX >= w)
	164	hotSpotX = 0;
	165	if (hotSpotY < 0 \|\| hotSpotY >= h)
	166	hotSpotY = 0;
	167
	168	Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
	169	(const char*)maskBits );
	170
	171	delete[] bits;
	172	delete[] maskBits;
	173	}
	174	#endif
	175
	176	void wxCursor::Create(const char bits[], int width, int height,
	177	int hotSpotX, int hotSpotY, const char maskBits[])
	178	{
	179	if( !m_refData )
	180	m_refData = new wxCursorRefData;
	181
	182	Display dpy = (Display) wxGetDisplay();
	183	int screen_num = DefaultScreen (dpy);
	184
	185	Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
	186	RootWindow (dpy, screen_num),
	187	(char*) bits, width, height,
	188	1 , 0 , 1);
	189
	190	Pixmap mask_pixmap = None;
	191	if (maskBits != NULL)
	192	{
	193	mask_pixmap = XCreatePixmapFromBitmapData (dpy,
	194	RootWindow (dpy, screen_num),
	195	(char*) maskBits, width, height,
	196	1 , 0 , 1);
	197	}
	198
	199	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );
	200
	201	XFreePixmap( dpy, pixmap );
	202	if (mask_pixmap != None)
	203	{
	204	XFreePixmap( dpy, mask_pixmap );
	205	}
	206	}
	207
	208	void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
	209	int hotSpotX, int hotSpotY)
	210	{
	211	if( !m_refData )
	212	m_refData = new wxCursorRefData;
	213
	214	Display dpy = (Display) wxGetDisplay();
	215	int screen_num = DefaultScreen (dpy);
	216
	217	XColor foreground_color;
	218	XColor background_color;
	219	foreground_color.pixel = BlackPixel(dpy, screen_num);
	220	background_color.pixel = WhitePixel(dpy, screen_num);
	221	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	222	XQueryColor(dpy, cmap, &foreground_color);
	223	XQueryColor(dpy, cmap, &background_color);
	224
	225	Cursor cursor = XCreatePixmapCursor (dpy,
	226	(Pixmap)pixmap,
	227	(Pixmap)mask_pixmap,
	228	&foreground_color,
	229	&background_color,
	230	hotSpotX ,
	231	hotSpotY);
	232
	233	if (cursor)
	234	{
	235	wxXCursor *c = new wxXCursor;
	236
	237	c->m_cursor = (WXCursor) cursor;
	238	c->m_display = (WXDisplay*) dpy;
	239	M_CURSORDATA->m_cursors.Append(c);
	240	}
	241	}
	242
	243	wxCursor::wxCursor(const char bits[], int width, int height,
	244	int hotSpotX, int hotSpotY, const char maskBits[])
	245	{
	246	Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
	247	}
	248
	249	wxCursor::wxCursor(const wxString& name, long flags, int hotSpotX, int hotSpotY)
	250	{
	251	// Must be an XBM file
	252	if (flags != wxBITMAP_TYPE_XBM)
	253	return;
	254
	255	m_refData = new wxCursorRefData;
	256
	257	int hotX = -1, hotY = -1;
	258	unsigned int w, h;
	259	Pixmap pixmap = None, mask_pixmap = None;
	260
	261	Display dpy = (Display) wxGetDisplay();
	262	int screen_num = DefaultScreen (dpy);
	263
	264	int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
	265	wxConstCast(name.c_str(), char),
	266	&w, &h, &pixmap, &hotX, &hotY);
	267
	268	if (value == BitmapSuccess)
	269	{
	270	// TODO: how do we determine whether hotX, hotY were read correctly?
	271	if (hotX < 0 \|\| hotY < 0)
	272	{
	273	hotX = hotSpotX;
	274	hotY = hotSpotY;
	275	}
	276	if (hotX < 0 \|\| hotY < 0)
	277	{
	278	hotX = 0;
	279	hotY = 0;
	280	}
	281
	282	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );
	283
	284	XFreePixmap( dpy, pixmap );
	285	}
	286	}
	287
	288	// Cursors by stock number
	289	wxCursor::wxCursor(wxStockCursor id)
	290	{
	291	m_refData = new wxCursorRefData;
	292	M_CURSORDATA->m_cursorId = id;
	293	}
	294
	295	wxCursor::~wxCursor()
	296	{
	297	}
	298
	299	bool wxCursor::Ok() const
	300	{
	301	return m_refData != NULL;
	302	}
	303
	304	// Motif-specific: create/get a cursor for the current display
	305	WXCursor wxCursor::GetXCursor(WXDisplay* display) const
	306	{
	307	if (!M_CURSORDATA)
	308	return (WXCursor) 0;
	309	wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
	310	while (node)
	311	{
	312	wxXCursor* c = node->GetData();
	313	if (c->m_display == display)
	314	return c->m_cursor;
	315	node = node->GetNext();
	316	}
	317
	318	// No cursor for this display, so let's see if we're an id-type cursor.
	319
	320	if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
	321	{
	322	WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
	323	if (cursor)
	324	{
	325	wxXCursor* c = new wxXCursor;
	326	c->m_cursor = cursor;
	327	c->m_display = display;
	328	M_CURSORDATA->m_cursors.Append(c);
	329	return cursor;
	330	}
	331	else
	332	return (WXCursor) 0;
	333	}
	334
	335	// Not an id-type cursor, so we don't know how to create it.
	336	return (WXCursor) 0;
	337	}
	338
	339	// Make a cursor from standard id
	340	WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
	341	{
	342	Display* dpy = (Display*) display;
	343	Cursor cursor = (Cursor) 0;
	344	int x_cur = -1;
	345
	346	switch (id)
	347	{
	348	case wxCURSOR_CHAR: return (WXCursor)cursor;
	349
	350	case wxCURSOR_WAIT: x_cur = XC_watch; break;
	351	case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
	352	case wxCURSOR_HAND: x_cur = XC_hand1; break;
	353	case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
	354	case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
	355	case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
	356	case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
	357	case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
	358	case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
	359	case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
	360	case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
	361	case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
	362	case wxCURSOR_SIZING: x_cur = XC_sizing; break;
	363	case wxCURSOR_WATCH: x_cur = XC_watch; break;
	364	case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
	365	case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
	366	case wxCURSOR_SIZENWSE:
	367	case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
	368	case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
	369	case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
	370	case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
	371	case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
	372	// (JD Huggins) added more stock cursors for X
	373	// X-only cursors BEGIN
	374	case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
	375	case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
	376	case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
	377	case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
	378	case wxCURSOR_BLANK:
	379	{
	380	GC gc;
	381	XGCValues gcv;
	382	Pixmap empty_pixmap;
	383	XColor blank_color;
	384
	385	empty_pixmap =
	386	XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
	387	16, 16, 1);
	388	gcv.function = GXxor;
	389	gc = XCreateGC (dpy,
	390	empty_pixmap,
	391	GCFunction,
	392	&gcv);
	393	XCopyArea (dpy,
	394	empty_pixmap,
	395	empty_pixmap,
	396	gc,
	397	0, 0,
	398	16, 16,
	399	0, 0);
	400	XFreeGC (dpy, gc);
	401	cursor = XCreatePixmapCursor (dpy,
	402	empty_pixmap,
	403	empty_pixmap,
	404	&blank_color,
	405	&blank_color,
	406	8, 8);
	407
	408	break;
	409	}
	410	case wxCURSOR_ARROW:
	411	default: x_cur = XC_top_left_arrow; break;
	412	}
	413
	414	if( x_cur == -1 )
	415	return (WXCursor)cursor;
	416
	417	cursor = XCreateFontCursor (dpy, x_cur);
	418	return (WXCursor) cursor;
	419	}
	420
	421	// Global cursor setting
	422	void wxSetCursor(const wxCursor& WXUNUSED(cursor))
	423	{
	424	// Nothing to do for Motif (no global cursor)
	425	}
	426
	427
	428	// ----------------------------------------------------------------------------
	429	// busy cursor stuff
	430	// ----------------------------------------------------------------------------
	431
	432	static int wxBusyCursorCount = 0;
	433
	434	// Helper function
	435	static void
	436	wxXSetBusyCursor (wxWindow * win, const wxCursor * cursor)
	437	{
	438	Display display = (Display) win->GetXDisplay();
	439
	440	Window xwin = (Window) win->GetXWindow();
	441	if (!xwin)
	442	return;
	443
	444	XSetWindowAttributes attrs;
	445
	446	if (cursor)
	447	{
	448	attrs.cursor = (Cursor) cursor->GetXCursor(display);
	449	}
	450	else
	451	{
	452	// Restore old cursor
	453	if (win->GetCursor().Ok())
	454	attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
	455	else
	456	attrs.cursor = None;
	457	}
	458	if (xwin)
	459	XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
	460
	461	XFlush (display);
	462
	463	for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
	464	node = node->GetNext())
	465	{
	466	wxWindow *child = node->GetData ();
	467	wxXSetBusyCursor (child, cursor);
	468	}
	469	}
	470
	471	// Set the cursor to the busy cursor for all windows
	472	void wxBeginBusyCursor(const wxCursor *cursor)
	473	{
	474	wxBusyCursorCount++;
	475	if (wxBusyCursorCount == 1)
	476	{
	477	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	478	node = node->GetNext())
	479	{
	480	wxWindow *win = node->GetData ();
	481	wxXSetBusyCursor (win, cursor);
	482	}
	483	}
	484	}
	485
	486	// Restore cursor to normal
	487	void wxEndBusyCursor()
	488	{
	489	if (wxBusyCursorCount == 0)
	490	return;
	491
	492	wxBusyCursorCount--;
	493	if (wxBusyCursorCount == 0)
	494	{
	495	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	496	node = node->GetNext())
	497	{
	498	wxWindow *win = node->GetData ();
	499	wxXSetBusyCursor (win, NULL);
	500	}
	501	}
	502	}
	503
	504	// true if we're between the above two calls
	505	bool wxIsBusy()
	506	{
	507	return (wxBusyCursorCount > 0);
	508	}