src/motif/cursor.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/motif/cursor.cpp
// Purpose:     wxCursor class
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// 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	// Copyright: (c) Julian Smart
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	// For compilers that support precompilation, includes "wx.h".
	12	#include "wx/wxprec.h"
	13
	14	#ifndef WX_PRECOMP
	15	#include "wx/list.h"
	16	#endif
	17
	18	#include "wx/cursor.h"
	19
	20	#ifndef WX_PRECOMP
	21	#include "wx/app.h"
	22	#include "wx/utils.h"
	23	#include "wx/window.h"
	24	#include "wx/image.h"
	25	#include "wx/log.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	private:
	62	// There is no way to copy m_cursor so we can't implement a copy ctor
	63	// properly.
	64	wxDECLARE_NO_COPY_CLASS(wxCursorRefData);
	65
	66	friend class wxCursor;
	67	};
	68
	69	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	70	#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
	71
	72	IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
	73
	74	wxCursorRefData::wxCursorRefData()
	75	{
	76	m_cursorId = wxCURSOR_NONE;
	77	}
	78
	79	wxCursorRefData::~wxCursorRefData()
	80	{
	81	wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
	82	while (node)
	83	{
	84	wxXCursor* c = node->GetData();
	85	XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
	86	delete c;
	87	node = node->GetNext();
	88	}
	89	}
	90
	91	wxCursor::wxCursor()
	92	{
	93	}
	94
	95	#if wxUSE_IMAGE
	96	wxCursor::wxCursor(const wxImage & image)
	97	{
	98	unsigned char * rgbBits = image.GetData();
	99	int w = image.GetWidth() ;
	100	int h = image.GetHeight();
	101	bool bHasMask = image.HasMask();
	102	int imagebitcount = (w*h)/8;
	103
	104	unsigned char * bits = new unsigned char [imagebitcount];
	105	unsigned char * maskBits = new unsigned char [imagebitcount];
	106
	107	int i, j, i8;
	108	unsigned char c, cMask;
	109	for (i=0; i<imagebitcount; i++)
	110	{
	111	bits[i] = 0xff;
	112	i8 = i * 8;
	113
	114	cMask = 0xfe; // 11111110
	115	for (j=0; j<8; j++)
	116	{
	117	// possible overflow if we do the summation first ?
	118	c = (unsigned char)(rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3);
	119	// if average value is > mid grey
	120	if (c>127)
	121	bits[i] = bits[i] & cMask;
	122	cMask = (unsigned char)((cMask << 1) \| 1);
	123	}
	124	}
	125
	126	if (bHasMask)
	127	{
	128	unsigned char
	129	r = image.GetMaskRed(),
	130	g = image.GetMaskGreen(),
	131	b = image.GetMaskBlue();
	132
	133	for (i=0; i<imagebitcount; i++)
	134	{
	135	maskBits[i] = 0x0;
	136	i8 = i * 8;
	137
	138	cMask = 0x1;
	139	for (j=0; j<8; j++)
	140	{
	141	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	142	maskBits[i] = maskBits[i] \| cMask;
	143	cMask = (unsigned char)(cMask << 1);
	144	}
	145	}
	146	}
	147	else // no mask
	148	{
	149	for (i=0; i<imagebitcount; i++)
	150	maskBits[i] = 0xFF;
	151	}
	152
	153	int hotSpotX;
	154	int hotSpotY;
	155
	156	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
	157	hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
	158	else
	159	hotSpotX = 0;
	160
	161	if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
	162	hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
	163	else
	164	hotSpotY = 0;
	165
	166	if (hotSpotX < 0 \|\| hotSpotX >= w)
	167	hotSpotX = 0;
	168	if (hotSpotY < 0 \|\| hotSpotY >= h)
	169	hotSpotY = 0;
	170
	171	Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
	172	(const char*)maskBits );
	173
	174	delete[] bits;
	175	delete[] maskBits;
	176	}
	177	#endif
	178
	179	void wxCursor::Create(const char bits[], int width, int height,
	180	int hotSpotX, int hotSpotY, const char maskBits[])
	181	{
	182	if( !m_refData )
	183	m_refData = new wxCursorRefData;
	184
	185	Display dpy = (Display) wxGetDisplay();
	186	int screen_num = DefaultScreen (dpy);
	187
	188	Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
	189	RootWindow (dpy, screen_num),
	190	(char*) bits, width, height,
	191	1 , 0 , 1);
	192
	193	Pixmap mask_pixmap = None;
	194	if (maskBits != NULL)
	195	{
	196	mask_pixmap = XCreatePixmapFromBitmapData (dpy,
	197	RootWindow (dpy, screen_num),
	198	(char*) maskBits, width, height,
	199	1 , 0 , 1);
	200	}
	201
	202	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );
	203
	204	XFreePixmap( dpy, pixmap );
	205	if (mask_pixmap != None)
	206	{
	207	XFreePixmap( dpy, mask_pixmap );
	208	}
	209	}
	210
	211	void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
	212	int hotSpotX, int hotSpotY)
	213	{
	214	if( !m_refData )
	215	m_refData = new wxCursorRefData;
	216
	217	Display dpy = (Display) wxGetDisplay();
	218	int screen_num = DefaultScreen (dpy);
	219
	220	XColor foreground_color;
	221	XColor background_color;
	222	foreground_color.pixel = BlackPixel(dpy, screen_num);
	223	background_color.pixel = WhitePixel(dpy, screen_num);
	224	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	225	XQueryColor(dpy, cmap, &foreground_color);
	226	XQueryColor(dpy, cmap, &background_color);
	227
	228	Cursor cursor = XCreatePixmapCursor (dpy,
	229	(Pixmap)pixmap,
	230	(Pixmap)mask_pixmap,
	231	&foreground_color,
	232	&background_color,
	233	hotSpotX ,
	234	hotSpotY);
	235
	236	if (cursor)
	237	{
	238	wxXCursor *c = new wxXCursor;
	239
	240	c->m_cursor = (WXCursor) cursor;
	241	c->m_display = (WXDisplay*) dpy;
	242	M_CURSORDATA->m_cursors.Append(c);
	243	}
	244	}
	245
	246	wxCursor::wxCursor(const char bits[], int width, int height,
	247	int hotSpotX, int hotSpotY, const char maskBits[] ,
	248	const wxColour* WXUNUSED(fg), const wxColour* WXUNUSED(bg) )
	249	{
	250	Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
	251	}
	252
	253	wxCursor::wxCursor(const wxString& name, wxBitmapType type,
	254	int hotSpotX, int hotSpotY)
	255	{
	256	// Must be an XBM file
	257	if (type != wxBITMAP_TYPE_XBM) {
	258	wxLogError("Invalid cursor bitmap type '%d'", type);
	259	return;
	260	}
	261
	262	m_refData = new wxCursorRefData;
	263
	264	int hotX = -1, hotY = -1;
	265	unsigned int w, h;
	266	Pixmap pixmap = None, mask_pixmap = None;
	267
	268	Display dpy = (Display) wxGetDisplay();
	269	int screen_num = DefaultScreen (dpy);
	270
	271	int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
	272	name.mb_str(),
	273	&w, &h, &pixmap, &hotX, &hotY);
	274
	275	if (value == BitmapSuccess)
	276	{
	277	// TODO: how do we determine whether hotX, hotY were read correctly?
	278	if (hotX < 0 \|\| hotY < 0)
	279	{
	280	hotX = hotSpotX;
	281	hotY = hotSpotY;
	282	}
	283	if (hotX < 0 \|\| hotY < 0)
	284	{
	285	hotX = 0;
	286	hotY = 0;
	287	}
	288
	289	Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );
	290
	291	XFreePixmap( dpy, pixmap );
	292	}
	293	}
	294
	295	// Cursors by stock number
	296	void wxCursor::InitFromStock(wxStockCursor id)
	297	{
	298	m_refData = new wxCursorRefData;
	299	M_CURSORDATA->m_cursorId = id;
	300	}
	301
	302	wxCursor::~wxCursor()
	303	{
	304	}
	305
	306	wxGDIRefData *wxCursor::CreateGDIRefData() const
	307	{
	308	return new wxCursorRefData;
	309	}
	310
	311	wxGDIRefData *
	312	wxCursor::CloneGDIRefData(const wxGDIRefData * WXUNUSED(data)) const
	313	{
	314	wxFAIL_MSG( wxS("Cloning cursors is not implemented in wxMotif.") );
	315
	316	return new wxCursorRefData;
	317	}
	318
	319	// Motif-specific: create/get a cursor for the current display
	320	WXCursor wxCursor::GetXCursor(WXDisplay* display) const
	321	{
	322	if (!M_CURSORDATA)
	323	return (WXCursor) 0;
	324	wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
	325	while (node)
	326	{
	327	wxXCursor* c = node->GetData();
	328	if (c->m_display == display)
	329	return c->m_cursor;
	330	node = node->GetNext();
	331	}
	332
	333	// No cursor for this display, so let's see if we're an id-type cursor.
	334
	335	if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
	336	{
	337	WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
	338	if (cursor)
	339	{
	340	wxXCursor* c = new wxXCursor;
	341	c->m_cursor = cursor;
	342	c->m_display = display;
	343	M_CURSORDATA->m_cursors.Append(c);
	344	return cursor;
	345	}
	346	else
	347	return (WXCursor) 0;
	348	}
	349
	350	// Not an id-type cursor, so we don't know how to create it.
	351	return (WXCursor) 0;
	352	}
	353
	354	// Make a cursor from standard id
	355	WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
	356	{
	357	Display* dpy = (Display*) display;
	358	Cursor cursor = (Cursor) 0;
	359	int x_cur = -1;
	360
	361	switch (id)
	362	{
	363	case wxCURSOR_CHAR: return (WXCursor)cursor;
	364
	365	case wxCURSOR_WAIT: x_cur = XC_watch; break;
	366	case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
	367	case wxCURSOR_HAND: x_cur = XC_hand1; break;
	368	case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
	369	case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
	370	case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
	371	case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
	372	case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
	373	case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
	374	case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
	375	case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
	376	case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
	377	case wxCURSOR_SIZING: x_cur = XC_sizing; break;
	378	case wxCURSOR_WATCH: x_cur = XC_watch; break;
	379	case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
	380	case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
	381	case wxCURSOR_SIZENWSE:
	382	case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
	383	case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
	384	case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
	385	case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
	386	case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
	387	// (JD Huggins) added more stock cursors for X
	388	// X-only cursors BEGIN
	389	case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
	390	case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
	391	case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
	392	case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
	393	case wxCURSOR_BLANK:
	394	{
	395	GC gc;
	396	XGCValues gcv;
	397	Pixmap empty_pixmap;
	398	XColor blank_color;
	399
	400	empty_pixmap =
	401	XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
	402	16, 16, 1);
	403	gcv.function = GXxor;
	404	gc = XCreateGC (dpy,
	405	empty_pixmap,
	406	GCFunction,
	407	&gcv);
	408	XCopyArea (dpy,
	409	empty_pixmap,
	410	empty_pixmap,
	411	gc,
	412	0, 0,
	413	16, 16,
	414	0, 0);
	415	XFreeGC (dpy, gc);
	416	cursor = XCreatePixmapCursor (dpy,
	417	empty_pixmap,
	418	empty_pixmap,
	419	&blank_color,
	420	&blank_color,
	421	8, 8);
	422
	423	break;
	424	}
	425	case wxCURSOR_ARROW:
	426	default: x_cur = XC_top_left_arrow; break;
	427	}
	428
	429	if( x_cur == -1 )
	430	return (WXCursor)cursor;
	431
	432	cursor = XCreateFontCursor (dpy, x_cur);
	433	return (WXCursor) cursor;
	434	}
	435
	436	// Global cursor setting
	437	void wxSetCursor(const wxCursor& WXUNUSED(cursor))
	438	{
	439	// Nothing to do for Motif (no global cursor)
	440	}
	441
	442
	443	// ----------------------------------------------------------------------------
	444	// busy cursor stuff
	445	// ----------------------------------------------------------------------------
	446
	447	static int wxBusyCursorCount = 0;
	448
	449	// Helper function
	450	static void
	451	wxXSetBusyCursor (wxWindow * win, const wxCursor * cursor)
	452	{
	453	Display display = (Display) win->GetXDisplay();
	454
	455	Window xwin = (Window) win->GetXWindow();
	456	if (!xwin)
	457	return;
	458
	459	XSetWindowAttributes attrs;
	460
	461	if (cursor)
	462	{
	463	attrs.cursor = (Cursor) cursor->GetXCursor(display);
	464	}
	465	else
	466	{
	467	// Restore old cursor
	468	if (win->GetCursor().IsOk())
	469	attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
	470	else
	471	attrs.cursor = None;
	472	}
	473	if (xwin)
	474	XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
	475
	476	XFlush (display);
	477
	478	for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
	479	node = node->GetNext())
	480	{
	481	wxWindow *child = node->GetData ();
	482	wxXSetBusyCursor (child, cursor);
	483	}
	484	}
	485
	486	// Set the cursor to the busy cursor for all windows
	487	void wxBeginBusyCursor(const wxCursor *cursor)
	488	{
	489	wxBusyCursorCount++;
	490	if (wxBusyCursorCount == 1)
	491	{
	492	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	493	node = node->GetNext())
	494	{
	495	wxWindow *win = node->GetData ();
	496	wxXSetBusyCursor (win, cursor);
	497	}
	498	}
	499	}
	500
	501	// Restore cursor to normal
	502	void wxEndBusyCursor()
	503	{
	504	if (wxBusyCursorCount == 0)
	505	return;
	506
	507	wxBusyCursorCount--;
	508	if (wxBusyCursorCount == 0)
	509	{
	510	for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
	511	node = node->GetNext())
	512	{
	513	wxWindow *win = node->GetData ();
	514	wxXSetBusyCursor (win, NULL);
	515	}
	516	}
	517	}
	518
	519	// true if we're between the above two calls
	520	bool wxIsBusy()
	521	{
	522	return (wxBusyCursorCount > 0);
	523	}