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"
    #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 wxGDIRefData
{
public:
    wxCursorRefData();
    virtual ~wxCursorRefData();

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

    friend class wxCursor;
};

#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[] ,
                   const wxColour* WXUNUSED(fg), const wxColour* WXUNUSED(bg) )
{
    Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
}

wxCursor::wxCursor(const wxString& name, wxBitmapType type, int hotSpotX,
		   int hotSpotY )
{
    // Must be an XBM file
    if (type != wxBITMAP_TYPE_XBM) {
        wxLogError("Invalid cursor bitmap type '%d'", type);
        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),
                                 name.mb_str(),
                                 &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
void wxCursor::InitFromStock(wxStockCursor id)
{
    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursorId = id;
}

wxCursor::~wxCursor()
{
}

wxGDIRefData *wxCursor::CreateGDIRefData() const
{
    return new wxCursorRefData;
}

wxGDIRefData *wxCursor::CloneGDIRefData(const wxGDIRefData *data) const
{
    return new wxCursorRefData(*static_cast<const wxCursorRefData *>(data));
}

// 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	#include "wx/image.h"
	26	#endif
	27
	28	#ifdef __VMS__
	29	#pragma message disable nosimpint
	30	#endif
	31	#include <Xm/Xm.h>
	32	#include <X11/cursorfont.h>
	33	#ifdef __VMS__
	34	#pragma message enable nosimpint
	35	#endif
	36
	37	#include "wx/motif/private.h"
	38
	39	// Cursor for one display, so we can choose the correct one for
	40	// the current display.
	41	class wxXCursor
	42	{
	43	public:
	44	WXDisplay* m_display;
	45	WXCursor m_cursor;
	46	};
	47
	48	WX_DECLARE_LIST(wxXCursor, wxXCursorList);
	49	#include "wx/listimpl.cpp"
	50	WX_DEFINE_LIST(wxXCursorList)
	51
	52	class WXDLLEXPORT wxCursorRefData: public wxGDIRefData
	53	{
	54	public:
	55	wxCursorRefData();
	56	virtual ~wxCursorRefData();
	57
	58	wxXCursorList m_cursors; // wxXCursor objects, one per display
	59	wxStockCursor m_cursorId; // wxWidgets standard cursor id
	60
	61	friend class wxCursor;
	62	};
	63
	64	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	65	#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
	66
	67	IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
	68
	69	wxCursorRefData::wxCursorRefData()
	70	{
	71	m_cursorId = wxCURSOR_NONE;
	72	}
	73
	74	wxCursorRefData::~wxCursorRefData()
	75	{
	76	wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
	77	while (node)
	78	{
	79	wxXCursor* c = node->GetData();
	80	XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
	81	delete c;
	82	node = node->GetNext();
	83	}
	84	}
	85
	86	wxCursor::wxCursor()
	87	{
	88	}
	89
	90	#if wxUSE_IMAGE
	91	wxCursor::wxCursor(const wxImage & image)
	92	{
	93	unsigned char * rgbBits = image.GetData();
	94	int w = image.GetWidth() ;
	95	int h = image.GetHeight();
	96	bool bHasMask = image.HasMask();
	97	int imagebitcount = (w*h)/8;
	98
	99	unsigned char * bits = new unsigned char [imagebitcount];
	100	unsigned char * maskBits = new unsigned char [imagebitcount];
	101
	102	int i, j, i8;
	103	unsigned char c, cMask;
	104	for (i=0; i<imagebitcount; i++)
	105	{
	106	bits[i] = 0xff;
	107	i8 = i * 8;
	108
	109	cMask = 0xfe; // 11111110
	110	for (j=0; j<8; j++)
	111	{
	112	// possible overflow if we do the summation first ?
	113	c = (unsigned char)(rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3);
	114	// if average value is > mid grey
	115	if (c>127)
	116	bits[i] = bits[i] & cMask;
	117	cMask = (unsigned char)((cMask << 1) \| 1);
	118	}
	119	}
	120
	121	if (bHasMask)
	122	{
	123	unsigned char
	124	r = image.GetMaskRed(),
	125	g = image.GetMaskGreen(),
	126	b = image.GetMaskBlue();
	127
	128	for (i=0; i<imagebitcount; i++)
	129	{
	130	maskBits[i] = 0x0;
	131	i8 = i * 8;
	132
	133	cMask = 0x1;
	134	for (j=0; j<8; j++)
	135	{
	136	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	137	maskBits[i] = maskBits[i] \| cMask;
	138	cMask = (unsigned char)(cMask << 1);
	139	}
	140	}
	141	}
	142	else // no mask
	143	{
	144	for (i=0; i<imagebitcount; i++)
	145	maskBits[i] = 0xFF;
	146	}
	147
	148	int hotSpotX;
	149	int hotSpotY;
	150
	151	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
	152	hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
	153	else
	154	hotSpotX = 0;
	155
	156	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
	157	hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
	158	else
	159	hotSpotY = 0;
	160
	161	if (hotSpotX < 0 \|\| hotSpotX >= w)
	162	hotSpotX = 0;
	163	if (hotSpotY < 0 \|\| hotSpotY >= h)
	164	hotSpotY = 0;
	165
	166	Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
	167	(const char*)maskBits );
	168
	169	delete[] bits;
	170	delete[] maskBits;
	171	}
	172	#endif
	173
	174	void wxCursor::Create(const char bits[], int width, int height,
	175	int hotSpotX, int hotSpotY, const char maskBits[])
	176	{
	177	if( !m_refData )
	178	m_refData = new wxCursorRefData;
	179
	180	Display dpy = (Display) wxGetDisplay();
	181	int screen_num = DefaultScreen (dpy);
	182
	183	Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
	184	RootWindow (dpy, screen_num),
	185	(char*) bits, width, height,
	186	1 , 0 , 1);
	187
	188	Pixmap mask_pixmap = None;
	189	if (maskBits != NULL)
	190	{
	191	mask_pixmap = XCreatePixmapFromBitmapData (dpy,
	192	RootWindow (dpy, screen_num),
	193	(char*) maskBits, width, height,
	194	1 , 0 , 1);
	195	}
	196
	197	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );
	198
	199	XFreePixmap( dpy, pixmap );
	200	if (mask_pixmap != None)
	201	{
	202	XFreePixmap( dpy, mask_pixmap );
	203	}
	204	}
	205
	206	void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
	207	int hotSpotX, int hotSpotY)
	208	{
	209	if( !m_refData )
	210	m_refData = new wxCursorRefData;
	211
	212	Display dpy = (Display) wxGetDisplay();
	213	int screen_num = DefaultScreen (dpy);
	214
	215	XColor foreground_color;
	216	XColor background_color;
	217	foreground_color.pixel = BlackPixel(dpy, screen_num);
	218	background_color.pixel = WhitePixel(dpy, screen_num);
	219	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	220	XQueryColor(dpy, cmap, &foreground_color);
	221	XQueryColor(dpy, cmap, &background_color);
	222
	223	Cursor cursor = XCreatePixmapCursor (dpy,
	224	(Pixmap)pixmap,
	225	(Pixmap)mask_pixmap,
	226	&foreground_color,
	227	&background_color,
	228	hotSpotX ,
	229	hotSpotY);
	230
	231	if (cursor)
	232	{
	233	wxXCursor *c = new wxXCursor;
	234
	235	c->m_cursor = (WXCursor) cursor;
	236	c->m_display = (WXDisplay*) dpy;
	237	M_CURSORDATA->m_cursors.Append(c);
	238	}
	239	}
	240
	241	wxCursor::wxCursor(const char bits[], int width, int height,
	242	int hotSpotX, int hotSpotY, const char maskBits[] ,
	243	const wxColour* WXUNUSED(fg), const wxColour* WXUNUSED(bg) )
	244	{
	245	Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
	246	}
	247
	248	wxCursor::wxCursor(const wxString& name, wxBitmapType type, int hotSpotX,
	249	int hotSpotY )
	250	{
	251	// Must be an XBM file
	252	if (type != wxBITMAP_TYPE_XBM) {
	253	wxLogError("Invalid cursor bitmap type '%d'", type);
	254	return;
	255	}
	256
	257	m_refData = new wxCursorRefData;
	258
	259	int hotX = -1, hotY = -1;
	260	unsigned int w, h;
	261	Pixmap pixmap = None, mask_pixmap = None;
	262
	263	Display dpy = (Display) wxGetDisplay();
	264	int screen_num = DefaultScreen (dpy);
	265
	266	int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
	267	name.mb_str(),
	268	&w, &h, &pixmap, &hotX, &hotY);
	269
	270	if (value == BitmapSuccess)
	271	{
	272	// TODO: how do we determine whether hotX, hotY were read correctly?
	273	if (hotX < 0 \|\| hotY < 0)
	274	{
	275	hotX = hotSpotX;
	276	hotY = hotSpotY;
	277	}
	278	if (hotX < 0 \|\| hotY < 0)
	279	{
	280	hotX = 0;
	281	hotY = 0;
	282	}
	283
	284	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );
	285
	286	XFreePixmap( dpy, pixmap );
	287	}
	288	}
	289
	290	// Cursors by stock number
	291	void wxCursor::InitFromStock(wxStockCursor id)
	292	{
	293	m_refData = new wxCursorRefData;
	294	M_CURSORDATA->m_cursorId = id;
	295	}
	296
	297	wxCursor::~wxCursor()
	298	{
	299	}
	300
	301	wxGDIRefData *wxCursor::CreateGDIRefData() const
	302	{
	303	return new wxCursorRefData;
	304	}
	305
	306	wxGDIRefData wxCursor::CloneGDIRefData(const wxGDIRefData data) const
	307	{
	308	return new wxCursorRefData(static_cast<const wxCursorRefData >(data));
	309	}
	310
	311	// Motif-specific: create/get a cursor for the current display
	312	WXCursor wxCursor::GetXCursor(WXDisplay* display) const
	313	{
	314	if (!M_CURSORDATA)
	315	return (WXCursor) 0;
	316	wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
	317	while (node)
	318	{
	319	wxXCursor* c = node->GetData();
	320	if (c->m_display == display)
	321	return c->m_cursor;
	322	node = node->GetNext();
	323	}
	324
	325	// No cursor for this display, so let's see if we're an id-type cursor.
	326
	327	if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
	328	{
	329	WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
	330	if (cursor)
	331	{
	332	wxXCursor* c = new wxXCursor;
	333	c->m_cursor = cursor;
	334	c->m_display = display;
	335	M_CURSORDATA->m_cursors.Append(c);
	336	return cursor;
	337	}
	338	else
	339	return (WXCursor) 0;
	340	}
	341
	342	// Not an id-type cursor, so we don't know how to create it.
	343	return (WXCursor) 0;
	344	}
	345
	346	// Make a cursor from standard id
	347	WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
	348	{
	349	Display* dpy = (Display*) display;
	350	Cursor cursor = (Cursor) 0;
	351	int x_cur = -1;
	352
	353	switch (id)
	354	{
	355	case wxCURSOR_CHAR: return (WXCursor)cursor;
	356
	357	case wxCURSOR_WAIT: x_cur = XC_watch; break;
	358	case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
	359	case wxCURSOR_HAND: x_cur = XC_hand1; break;
	360	case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
	361	case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
	362	case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
	363	case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
	364	case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
	365	case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
	366	case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
	367	case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
	368	case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
	369	case wxCURSOR_SIZING: x_cur = XC_sizing; break;
	370	case wxCURSOR_WATCH: x_cur = XC_watch; break;
	371	case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
	372	case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
	373	case wxCURSOR_SIZENWSE:
	374	case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
	375	case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
	376	case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
	377	case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
	378	case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
	379	// (JD Huggins) added more stock cursors for X
	380	// X-only cursors BEGIN
	381	case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
	382	case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
	383	case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
	384	case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
	385	case wxCURSOR_BLANK:
	386	{
	387	GC gc;
	388	XGCValues gcv;
	389	Pixmap empty_pixmap;
	390	XColor blank_color;
	391
	392	empty_pixmap =
	393	XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
	394	16, 16, 1);
	395	gcv.function = GXxor;
	396	gc = XCreateGC (dpy,
	397	empty_pixmap,
	398	GCFunction,
	399	&gcv);
	400	XCopyArea (dpy,
	401	empty_pixmap,
	402	empty_pixmap,
	403	gc,
	404	0, 0,
	405	16, 16,
	406	0, 0);
	407	XFreeGC (dpy, gc);
	408	cursor = XCreatePixmapCursor (dpy,
	409	empty_pixmap,
	410	empty_pixmap,
	411	&blank_color,
	412	&blank_color,
	413	8, 8);
	414
	415	break;
	416	}
	417	case wxCURSOR_ARROW:
	418	default: x_cur = XC_top_left_arrow; break;
	419	}
	420
	421	if( x_cur == -1 )
	422	return (WXCursor)cursor;
	423
	424	cursor = XCreateFontCursor (dpy, x_cur);
	425	return (WXCursor) cursor;
	426	}
	427
	428	// Global cursor setting
	429	void wxSetCursor(const wxCursor& WXUNUSED(cursor))
	430	{
	431	// Nothing to do for Motif (no global cursor)
	432	}
	433
	434
	435	// ----------------------------------------------------------------------------
	436	// busy cursor stuff
	437	// ----------------------------------------------------------------------------
	438
	439	static int wxBusyCursorCount = 0;
	440
	441	// Helper function
	442	static void
	443	wxXSetBusyCursor (wxWindow * win, const wxCursor * cursor)
	444	{
	445	Display display = (Display) win->GetXDisplay();
	446
	447	Window xwin = (Window) win->GetXWindow();
	448	if (!xwin)
	449	return;
	450
	451	XSetWindowAttributes attrs;
	452
	453	if (cursor)
	454	{
	455	attrs.cursor = (Cursor) cursor->GetXCursor(display);
	456	}
	457	else
	458	{
	459	// Restore old cursor
	460	if (win->GetCursor().Ok())
	461	attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
	462	else
	463	attrs.cursor = None;
	464	}
	465	if (xwin)
	466	XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
	467
	468	XFlush (display);
	469
	470	for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
	471	node = node->GetNext())
	472	{
	473	wxWindow *child = node->GetData ();
	474	wxXSetBusyCursor (child, cursor);
	475	}
	476	}
	477
	478	// Set the cursor to the busy cursor for all windows
	479	void wxBeginBusyCursor(const wxCursor *cursor)
	480	{
	481	wxBusyCursorCount++;
	482	if (wxBusyCursorCount == 1)
	483	{
	484	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	485	node = node->GetNext())
	486	{
	487	wxWindow *win = node->GetData ();
	488	wxXSetBusyCursor (win, cursor);
	489	}
	490	}
	491	}
	492
	493	// Restore cursor to normal
	494	void wxEndBusyCursor()
	495	{
	496	if (wxBusyCursorCount == 0)
	497	return;
	498
	499	wxBusyCursorCount--;
	500	if (wxBusyCursorCount == 0)
	501	{
	502	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	503	node = node->GetNext())
	504	{
	505	wxWindow *win = node->GetData ();
	506	wxXSetBusyCursor (win, NULL);
	507	}
	508	}
	509	}
	510
	511	// true if we're between the above two calls
	512	bool wxIsBusy()
	513	{
	514	return (wxBusyCursorCount > 0);
	515	}