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"
    #include "wx/log.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

private:
    // There is no way to copy m_cursor so we can't implement a copy ctor
    // properly.
    wxDECLARE_NO_COPY_CLASS(wxCursorRefData);

    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 * WXUNUSED(data)) const
{
    wxFAIL_MSG( wxS("Cloning cursors is not implemented in wxMotif.") );

    return new wxCursorRefData;
}

// 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().IsOk())
            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	#include "wx/log.h"
	27	#endif
	28
	29	#ifdef __VMS__
	30	#pragma message disable nosimpint
	31	#endif
	32	#include <Xm/Xm.h>
	33	#include <X11/cursorfont.h>
	34	#ifdef __VMS__
	35	#pragma message enable nosimpint
	36	#endif
	37
	38	#include "wx/motif/private.h"
	39
	40	// Cursor for one display, so we can choose the correct one for
	41	// the current display.
	42	class wxXCursor
	43	{
	44	public:
	45	WXDisplay* m_display;
	46	WXCursor m_cursor;
	47	};
	48
	49	WX_DECLARE_LIST(wxXCursor, wxXCursorList);
	50	#include "wx/listimpl.cpp"
	51	WX_DEFINE_LIST(wxXCursorList)
	52
	53	class WXDLLEXPORT wxCursorRefData: public wxGDIRefData
	54	{
	55	public:
	56	wxCursorRefData();
	57	virtual ~wxCursorRefData();
	58
	59	wxXCursorList m_cursors; // wxXCursor objects, one per display
	60	wxStockCursor m_cursorId; // wxWidgets standard cursor id
	61
	62	private:
	63	// There is no way to copy m_cursor so we can't implement a copy ctor
	64	// properly.
	65	wxDECLARE_NO_COPY_CLASS(wxCursorRefData);
	66
	67	friend class wxCursor;
	68	};
	69
	70	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	71	#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
	72
	73	IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
	74
	75	wxCursorRefData::wxCursorRefData()
	76	{
	77	m_cursorId = wxCURSOR_NONE;
	78	}
	79
	80	wxCursorRefData::~wxCursorRefData()
	81	{
	82	wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
	83	while (node)
	84	{
	85	wxXCursor* c = node->GetData();
	86	XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
	87	delete c;
	88	node = node->GetNext();
	89	}
	90	}
	91
	92	wxCursor::wxCursor()
	93	{
	94	}
	95
	96	#if wxUSE_IMAGE
	97	wxCursor::wxCursor(const wxImage & image)
	98	{
	99	unsigned char * rgbBits = image.GetData();
	100	int w = image.GetWidth() ;
	101	int h = image.GetHeight();
	102	bool bHasMask = image.HasMask();
	103	int imagebitcount = (w*h)/8;
	104
	105	unsigned char * bits = new unsigned char [imagebitcount];
	106	unsigned char * maskBits = new unsigned char [imagebitcount];
	107
	108	int i, j, i8;
	109	unsigned char c, cMask;
	110	for (i=0; i<imagebitcount; i++)
	111	{
	112	bits[i] = 0xff;
	113	i8 = i * 8;
	114
	115	cMask = 0xfe; // 11111110
	116	for (j=0; j<8; j++)
	117	{
	118	// possible overflow if we do the summation first ?
	119	c = (unsigned char)(rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3);
	120	// if average value is > mid grey
	121	if (c>127)
	122	bits[i] = bits[i] & cMask;
	123	cMask = (unsigned char)((cMask << 1) \| 1);
	124	}
	125	}
	126
	127	if (bHasMask)
	128	{
	129	unsigned char
	130	r = image.GetMaskRed(),
	131	g = image.GetMaskGreen(),
	132	b = image.GetMaskBlue();
	133
	134	for (i=0; i<imagebitcount; i++)
	135	{
	136	maskBits[i] = 0x0;
	137	i8 = i * 8;
	138
	139	cMask = 0x1;
	140	for (j=0; j<8; j++)
	141	{
	142	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	143	maskBits[i] = maskBits[i] \| cMask;
	144	cMask = (unsigned char)(cMask << 1);
	145	}
	146	}
	147	}
	148	else // no mask
	149	{
	150	for (i=0; i<imagebitcount; i++)
	151	maskBits[i] = 0xFF;
	152	}
	153
	154	int hotSpotX;
	155	int hotSpotY;
	156
	157	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
	158	hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
	159	else
	160	hotSpotX = 0;
	161
	162	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
	163	hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
	164	else
	165	hotSpotY = 0;
	166
	167	if (hotSpotX < 0 \|\| hotSpotX >= w)
	168	hotSpotX = 0;
	169	if (hotSpotY < 0 \|\| hotSpotY >= h)
	170	hotSpotY = 0;
	171
	172	Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
	173	(const char*)maskBits );
	174
	175	delete[] bits;
	176	delete[] maskBits;
	177	}
	178	#endif
	179
	180	void wxCursor::Create(const char bits[], int width, int height,
	181	int hotSpotX, int hotSpotY, const char maskBits[])
	182	{
	183	if( !m_refData )
	184	m_refData = new wxCursorRefData;
	185
	186	Display dpy = (Display) wxGetDisplay();
	187	int screen_num = DefaultScreen (dpy);
	188
	189	Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
	190	RootWindow (dpy, screen_num),
	191	(char*) bits, width, height,
	192	1 , 0 , 1);
	193
	194	Pixmap mask_pixmap = None;
	195	if (maskBits != NULL)
	196	{
	197	mask_pixmap = XCreatePixmapFromBitmapData (dpy,
	198	RootWindow (dpy, screen_num),
	199	(char*) maskBits, width, height,
	200	1 , 0 , 1);
	201	}
	202
	203	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );
	204
	205	XFreePixmap( dpy, pixmap );
	206	if (mask_pixmap != None)
	207	{
	208	XFreePixmap( dpy, mask_pixmap );
	209	}
	210	}
	211
	212	void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
	213	int hotSpotX, int hotSpotY)
	214	{
	215	if( !m_refData )
	216	m_refData = new wxCursorRefData;
	217
	218	Display dpy = (Display) wxGetDisplay();
	219	int screen_num = DefaultScreen (dpy);
	220
	221	XColor foreground_color;
	222	XColor background_color;
	223	foreground_color.pixel = BlackPixel(dpy, screen_num);
	224	background_color.pixel = WhitePixel(dpy, screen_num);
	225	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	226	XQueryColor(dpy, cmap, &foreground_color);
	227	XQueryColor(dpy, cmap, &background_color);
	228
	229	Cursor cursor = XCreatePixmapCursor (dpy,
	230	(Pixmap)pixmap,
	231	(Pixmap)mask_pixmap,
	232	&foreground_color,
	233	&background_color,
	234	hotSpotX ,
	235	hotSpotY);
	236
	237	if (cursor)
	238	{
	239	wxXCursor *c = new wxXCursor;
	240
	241	c->m_cursor = (WXCursor) cursor;
	242	c->m_display = (WXDisplay*) dpy;
	243	M_CURSORDATA->m_cursors.Append(c);
	244	}
	245	}
	246
	247	wxCursor::wxCursor(const char bits[], int width, int height,
	248	int hotSpotX, int hotSpotY, const char maskBits[] ,
	249	const wxColour* WXUNUSED(fg), const wxColour* WXUNUSED(bg) )
	250	{
	251	Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
	252	}
	253
	254	wxCursor::wxCursor(const wxString& name, wxBitmapType type,
	255	int hotSpotX, int hotSpotY)
	256	{
	257	// Must be an XBM file
	258	if (type != wxBITMAP_TYPE_XBM) {
	259	wxLogError("Invalid cursor bitmap type '%d'", type);
	260	return;
	261	}
	262
	263	m_refData = new wxCursorRefData;
	264
	265	int hotX = -1, hotY = -1;
	266	unsigned int w, h;
	267	Pixmap pixmap = None, mask_pixmap = None;
	268
	269	Display dpy = (Display) wxGetDisplay();
	270	int screen_num = DefaultScreen (dpy);
	271
	272	int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
	273	name.mb_str(),
	274	&w, &h, &pixmap, &hotX, &hotY);
	275
	276	if (value == BitmapSuccess)
	277	{
	278	// TODO: how do we determine whether hotX, hotY were read correctly?
	279	if (hotX < 0 \|\| hotY < 0)
	280	{
	281	hotX = hotSpotX;
	282	hotY = hotSpotY;
	283	}
	284	if (hotX < 0 \|\| hotY < 0)
	285	{
	286	hotX = 0;
	287	hotY = 0;
	288	}
	289
	290	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );
	291
	292	XFreePixmap( dpy, pixmap );
	293	}
	294	}
	295
	296	// Cursors by stock number
	297	void wxCursor::InitFromStock(wxStockCursor id)
	298	{
	299	m_refData = new wxCursorRefData;
	300	M_CURSORDATA->m_cursorId = id;
	301	}
	302
	303	wxCursor::~wxCursor()
	304	{
	305	}
	306
	307	wxGDIRefData *wxCursor::CreateGDIRefData() const
	308	{
	309	return new wxCursorRefData;
	310	}
	311
	312	wxGDIRefData *
	313	wxCursor::CloneGDIRefData(const wxGDIRefData * WXUNUSED(data)) const
	314	{
	315	wxFAIL_MSG( wxS("Cloning cursors is not implemented in wxMotif.") );
	316
	317	return new wxCursorRefData;
	318	}
	319
	320	// Motif-specific: create/get a cursor for the current display
	321	WXCursor wxCursor::GetXCursor(WXDisplay* display) const
	322	{
	323	if (!M_CURSORDATA)
	324	return (WXCursor) 0;
	325	wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
	326	while (node)
	327	{
	328	wxXCursor* c = node->GetData();
	329	if (c->m_display == display)
	330	return c->m_cursor;
	331	node = node->GetNext();
	332	}
	333
	334	// No cursor for this display, so let's see if we're an id-type cursor.
	335
	336	if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
	337	{
	338	WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
	339	if (cursor)
	340	{
	341	wxXCursor* c = new wxXCursor;
	342	c->m_cursor = cursor;
	343	c->m_display = display;
	344	M_CURSORDATA->m_cursors.Append(c);
	345	return cursor;
	346	}
	347	else
	348	return (WXCursor) 0;
	349	}
	350
	351	// Not an id-type cursor, so we don't know how to create it.
	352	return (WXCursor) 0;
	353	}
	354
	355	// Make a cursor from standard id
	356	WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
	357	{
	358	Display* dpy = (Display*) display;
	359	Cursor cursor = (Cursor) 0;
	360	int x_cur = -1;
	361
	362	switch (id)
	363	{
	364	case wxCURSOR_CHAR: return (WXCursor)cursor;
	365
	366	case wxCURSOR_WAIT: x_cur = XC_watch; break;
	367	case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
	368	case wxCURSOR_HAND: x_cur = XC_hand1; break;
	369	case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
	370	case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
	371	case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
	372	case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
	373	case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
	374	case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
	375	case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
	376	case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
	377	case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
	378	case wxCURSOR_SIZING: x_cur = XC_sizing; break;
	379	case wxCURSOR_WATCH: x_cur = XC_watch; break;
	380	case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
	381	case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
	382	case wxCURSOR_SIZENWSE:
	383	case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
	384	case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
	385	case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
	386	case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
	387	case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
	388	// (JD Huggins) added more stock cursors for X
	389	// X-only cursors BEGIN
	390	case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
	391	case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
	392	case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
	393	case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
	394	case wxCURSOR_BLANK:
	395	{
	396	GC gc;
	397	XGCValues gcv;
	398	Pixmap empty_pixmap;
	399	XColor blank_color;
	400
	401	empty_pixmap =
	402	XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
	403	16, 16, 1);
	404	gcv.function = GXxor;
	405	gc = XCreateGC (dpy,
	406	empty_pixmap,
	407	GCFunction,
	408	&gcv);
	409	XCopyArea (dpy,
	410	empty_pixmap,
	411	empty_pixmap,
	412	gc,
	413	0, 0,
	414	16, 16,
	415	0, 0);
	416	XFreeGC (dpy, gc);
	417	cursor = XCreatePixmapCursor (dpy,
	418	empty_pixmap,
	419	empty_pixmap,
	420	&blank_color,
	421	&blank_color,
	422	8, 8);
	423
	424	break;
	425	}
	426	case wxCURSOR_ARROW:
	427	default: x_cur = XC_top_left_arrow; break;
	428	}
	429
	430	if( x_cur == -1 )
	431	return (WXCursor)cursor;
	432
	433	cursor = XCreateFontCursor (dpy, x_cur);
	434	return (WXCursor) cursor;
	435	}
	436
	437	// Global cursor setting
	438	void wxSetCursor(const wxCursor& WXUNUSED(cursor))
	439	{
	440	// Nothing to do for Motif (no global cursor)
	441	}
	442
	443
	444	// ----------------------------------------------------------------------------
	445	// busy cursor stuff
	446	// ----------------------------------------------------------------------------
	447
	448	static int wxBusyCursorCount = 0;
	449
	450	// Helper function
	451	static void
	452	wxXSetBusyCursor (wxWindow * win, const wxCursor * cursor)
	453	{
	454	Display display = (Display) win->GetXDisplay();
	455
	456	Window xwin = (Window) win->GetXWindow();
	457	if (!xwin)
	458	return;
	459
	460	XSetWindowAttributes attrs;
	461
	462	if (cursor)
	463	{
	464	attrs.cursor = (Cursor) cursor->GetXCursor(display);
	465	}
	466	else
	467	{
	468	// Restore old cursor
	469	if (win->GetCursor().IsOk())
	470	attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
	471	else
	472	attrs.cursor = None;
	473	}
	474	if (xwin)
	475	XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
	476
	477	XFlush (display);
	478
	479	for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
	480	node = node->GetNext())
	481	{
	482	wxWindow *child = node->GetData ();
	483	wxXSetBusyCursor (child, cursor);
	484	}
	485	}
	486
	487	// Set the cursor to the busy cursor for all windows
	488	void wxBeginBusyCursor(const wxCursor *cursor)
	489	{
	490	wxBusyCursorCount++;
	491	if (wxBusyCursorCount == 1)
	492	{
	493	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	494	node = node->GetNext())
	495	{
	496	wxWindow *win = node->GetData ();
	497	wxXSetBusyCursor (win, cursor);
	498	}
	499	}
	500	}
	501
	502	// Restore cursor to normal
	503	void wxEndBusyCursor()
	504	{
	505	if (wxBusyCursorCount == 0)
	506	return;
	507
	508	wxBusyCursorCount--;
	509	if (wxBusyCursorCount == 0)
	510	{
	511	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	512	node = node->GetNext())
	513	{
	514	wxWindow *win = node->GetData ();
	515	wxXSetBusyCursor (win, NULL);
	516	}
	517	}
	518	}
	519
	520	// true if we're between the above two calls
	521	bool wxIsBusy()
	522	{
	523	return (wxBusyCursorCount > 0);
	524	}