src/motif/cursor.cpp

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

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "cursor.h"
#endif

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

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