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

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