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
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "cursor.h"
#endif

#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; // wxWindows 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::Node* 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] = 0;
        i8 = i * 8;

        cMask = 1;
        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 * 2;
        }
    }

    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 = 1;
            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 * 2;
            }
        }
    }
    else // no mask
    {
        for (i=0; i<imagebitcount; i++)
            maskBits[i] = 0xFF;
    }

    int hotSpotX;
    int hotSpotY;

    if (image.HasOption(wxCUR_HOTSPOT_X))
        hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
    else
        hotSpotX = 0;

    if (image.HasOption(wxCUR_HOTSPOT_Y))
        hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
    else
        hotSpotY = 0;

    if (hotSpotX < 0 || hotSpotX >= w)
        hotSpotX = 0;
    if (hotSpotY < 0 || hotSpotY >= h)
        hotSpotY = 0;

    m_refData = new wxCursorRefData;

    Display *dpy = (Display*) wxGetDisplay();
    int screen_num =  DefaultScreen (dpy);

    Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
                                          RootWindow (dpy, DefaultScreen(dpy)),
                                          (char*) bits, w, h,
                                          1 , 0 , 1);

    Pixmap mask_pixmap = None;
    if (maskBits != NULL)
    {
        mask_pixmap = XCreatePixmapFromBitmapData (dpy,
                                          RootWindow (dpy, DefaultScreen(dpy)),
                                          (char*) maskBits, w, h,
                                          1 , 0 , 1);
    }

    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,
                                  mask_pixmap,
                                  &foreground_color,
                                  &background_color,
                                  hotSpotX ,
                                  hotSpotY);

    XFreePixmap( dpy, pixmap );
    if (mask_pixmap != None)
    {
        XFreePixmap( dpy, mask_pixmap );
    }

    if (cursor)
    {
        wxXCursor *c = new wxXCursor;

        c->m_cursor = (WXCursor) cursor;
        c->m_display = (WXDisplay*) dpy;
        M_CURSORDATA->m_cursors.Append(c);
    }
}
#endif

wxCursor::wxCursor(const char bits[], int width, int height,
    int hotSpotX, int hotSpotY, const char maskBits[])
{
    m_refData = new wxCursorRefData;

    Display *dpy = (Display*) wxGetDisplay();
    int screen_num =  DefaultScreen (dpy);

    Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
                                          RootWindow (dpy, DefaultScreen(dpy)),
                                          (char*) bits, width, height,
                                          1 , 0 , 1);

    Pixmap mask_pixmap = None;
    if (maskBits != NULL)
    {
        mask_pixmap = XCreatePixmapFromBitmapData (dpy,
                                          RootWindow (dpy, DefaultScreen(dpy)),
                                          (char*) maskBits, width, height,
                                          1 , 0 , 1);
    }

    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,
                                  mask_pixmap,
                                  &foreground_color,
                                  &background_color,
                                  hotSpotX ,
                                  hotSpotY);

    XFreePixmap( dpy, pixmap );
    if (mask_pixmap != None)
    {
        XFreePixmap( dpy, mask_pixmap );
    }

    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 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;

    Display *dpy = (Display*) wxGetDisplay();
    int screen_num =  DefaultScreen (dpy);

    int value = XReadBitmapFile (dpy, RootWindow (dpy, DefaultScreen (dpy)),
                                 wxConstCast(name.c_str(), char),
                                 &w, &h, &pixmap, &hotX, &hotY);

    if ((value == BitmapFileInvalid) ||
        (value == BitmapOpenFailed) ||
        (value == BitmapNoMemory))
    {
    }
    else
    {
        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);

        // 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;
        }

        Pixmap mask_pixmap = None;
        Cursor cursor = XCreatePixmapCursor (dpy,
                                      pixmap,
                                      mask_pixmap,
                                      &foreground_color,
                                      &background_color,
                                      hotX,
                                      hotY);

        XFreePixmap( dpy, pixmap );
        if (cursor)
        {
            wxXCursor *c = new wxXCursor;

            c->m_cursor = (WXCursor) cursor;
            c->m_display = (WXDisplay*) dpy;
            M_CURSORDATA->m_cursors.Append(c);
        }
    }

}

// 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)
{
    if (!M_CURSORDATA)
        return (WXCursor) 0;
    wxXCursorList::Node* 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)
{
    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::Node *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::Node *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::Node *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	#ifdef __GNUG__
	13	#pragma implementation "cursor.h"
	14	#endif
	15
	16	#include "wx/cursor.h"
	17	#include "wx/app.h"
	18	#include "wx/utils.h"
	19	#include "wx/list.h"
	20	#include "wx/window.h"
	21	#if wxUSE_IMAGE
	22	#include "wx/image.h"
	23	#endif
	24
	25	#ifdef __VMS__
	26	#pragma message disable nosimpint
	27	#endif
	28	#include <Xm/Xm.h>
	29	#include <X11/cursorfont.h>
	30	#ifdef __VMS__
	31	#pragma message enable nosimpint
	32	#endif
	33
	34	#include "wx/motif/private.h"
	35
	36	// Cursor for one display, so we can choose the correct one for
	37	// the current display.
	38	class wxXCursor
	39	{
	40	public:
	41	WXDisplay* m_display;
	42	WXCursor m_cursor;
	43	};
	44
	45	WX_DECLARE_LIST(wxXCursor, wxXCursorList);
	46	#include "wx/listimpl.cpp"
	47	WX_DEFINE_LIST(wxXCursorList);
	48
	49	class WXDLLEXPORT wxCursorRefData: public wxObjectRefData
	50	{
	51	friend class WXDLLEXPORT wxCursor;
	52	public:
	53	wxCursorRefData();
	54	~wxCursorRefData();
	55
	56	wxXCursorList m_cursors; // wxXCursor objects, one per display
	57	wxStockCursor m_cursorId; // wxWindows standard cursor id
	58	};
	59
	60	#define M_CURSORDATA ((wxCursorRefData *)m_refData)
	61	#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
	62
	63	IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
	64
	65	wxCursorRefData::wxCursorRefData()
	66	{
	67	m_cursorId = wxCURSOR_NONE;
	68	}
	69
	70	wxCursorRefData::~wxCursorRefData()
	71	{
	72	wxXCursorList::Node* node = m_cursors.GetFirst();
	73	while (node)
	74	{
	75	wxXCursor* c = node->GetData();
	76	XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
	77	delete c;
	78	node = node->GetNext();
	79	}
	80	}
	81
	82	wxCursor::wxCursor()
	83	{
	84	}
	85
	86	#if wxUSE_IMAGE
	87	wxCursor::wxCursor(const wxImage & image)
	88	{
	89	unsigned char * rgbBits = image.GetData();
	90	int w = image.GetWidth() ;
	91	int h = image.GetHeight();
	92	bool bHasMask = image.HasMask();
	93	int imagebitcount = (w*h)/8;
	94
	95	unsigned char * bits = new unsigned char [imagebitcount];
	96	unsigned char * maskBits = new unsigned char [imagebitcount];
	97
	98	int i, j, i8; unsigned char c, cMask;
	99	for (i=0; i<imagebitcount; i++)
	100	{
	101	bits[i] = 0;
	102	i8 = i * 8;
	103
	104	cMask = 1;
	105	for (j=0; j<8; j++)
	106	{
	107	// possible overflow if we do the summation first ?
	108	c = rgbBits[(i8+j)3]/3 + rgbBits[(i8+j)3+1]/3 + rgbBits[(i8+j)*3+2]/3;
	109	//if average value is > mid grey
	110	if (c>127)
	111	bits[i] = bits[i] \| cMask;
	112	cMask = cMask * 2;
	113	}
	114	}
	115
	116	if (bHasMask)
	117	{
	118	unsigned char
	119	r = image.GetMaskRed(),
	120	g = image.GetMaskGreen(),
	121	b = image.GetMaskBlue();
	122
	123	for (i=0; i<imagebitcount; i++)
	124	{
	125	maskBits[i] = 0x0;
	126	i8 = i * 8;
	127
	128	cMask = 1;
	129	for (j=0; j<8; j++)
	130	{
	131	if (rgbBits[(i8+j)3] != r \|\| rgbBits[(i8+j)3+1] != g \|\| rgbBits[(i8+j)*3+2] != b)
	132	maskBits[i] = maskBits[i] \| cMask;
	133	cMask = cMask * 2;
	134	}
	135	}
	136	}
	137	else // no mask
	138	{
	139	for (i=0; i<imagebitcount; i++)
	140	maskBits[i] = 0xFF;
	141	}
	142
	143	int hotSpotX;
	144	int hotSpotY;
	145
	146	if (image.HasOption(wxCUR_HOTSPOT_X))
	147	hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
	148	else
	149	hotSpotX = 0;
	150
	151	if (image.HasOption(wxCUR_HOTSPOT_Y))
	152	hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
	153	else
	154	hotSpotY = 0;
	155
	156	if (hotSpotX < 0 \|\| hotSpotX >= w)
	157	hotSpotX = 0;
	158	if (hotSpotY < 0 \|\| hotSpotY >= h)
	159	hotSpotY = 0;
	160
	161	m_refData = new wxCursorRefData;
	162
	163	Display dpy = (Display) wxGetDisplay();
	164	int screen_num = DefaultScreen (dpy);
	165
	166	Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
	167	RootWindow (dpy, DefaultScreen(dpy)),
	168	(char*) bits, w, h,
	169	1 , 0 , 1);
	170
	171	Pixmap mask_pixmap = None;
	172	if (maskBits != NULL)
	173	{
	174	mask_pixmap = XCreatePixmapFromBitmapData (dpy,
	175	RootWindow (dpy, DefaultScreen(dpy)),
	176	(char*) maskBits, w, h,
	177	1 , 0 , 1);
	178	}
	179
	180	XColor foreground_color;
	181	XColor background_color;
	182	foreground_color.pixel = BlackPixel(dpy, screen_num);
	183	background_color.pixel = WhitePixel(dpy, screen_num);
	184	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	185	XQueryColor(dpy, cmap, &foreground_color);
	186	XQueryColor(dpy, cmap, &background_color);
	187
	188	Cursor cursor = XCreatePixmapCursor (dpy,
	189	pixmap,
	190	mask_pixmap,
	191	&foreground_color,
	192	&background_color,
	193	hotSpotX ,
	194	hotSpotY);
	195
	196	XFreePixmap( dpy, pixmap );
	197	if (mask_pixmap != None)
	198	{
	199	XFreePixmap( dpy, mask_pixmap );
	200	}
	201
	202	if (cursor)
	203	{
	204	wxXCursor *c = new wxXCursor;
	205
	206	c->m_cursor = (WXCursor) cursor;
	207	c->m_display = (WXDisplay*) dpy;
	208	M_CURSORDATA->m_cursors.Append(c);
	209	}
	210	}
	211	#endif
	212
	213	wxCursor::wxCursor(const char bits[], int width, int height,
	214	int hotSpotX, int hotSpotY, const char maskBits[])
	215	{
	216	m_refData = new wxCursorRefData;
	217
	218	Display dpy = (Display) wxGetDisplay();
	219	int screen_num = DefaultScreen (dpy);
	220
	221	Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
	222	RootWindow (dpy, DefaultScreen(dpy)),
	223	(char*) bits, width, height,
	224	1 , 0 , 1);
	225
	226	Pixmap mask_pixmap = None;
	227	if (maskBits != NULL)
	228	{
	229	mask_pixmap = XCreatePixmapFromBitmapData (dpy,
	230	RootWindow (dpy, DefaultScreen(dpy)),
	231	(char*) maskBits, width, height,
	232	1 , 0 , 1);
	233	}
	234
	235	XColor foreground_color;
	236	XColor background_color;
	237	foreground_color.pixel = BlackPixel(dpy, screen_num);
	238	background_color.pixel = WhitePixel(dpy, screen_num);
	239	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	240	XQueryColor(dpy, cmap, &foreground_color);
	241	XQueryColor(dpy, cmap, &background_color);
	242
	243	Cursor cursor = XCreatePixmapCursor (dpy,
	244	pixmap,
	245	mask_pixmap,
	246	&foreground_color,
	247	&background_color,
	248	hotSpotX ,
	249	hotSpotY);
	250
	251	XFreePixmap( dpy, pixmap );
	252	if (mask_pixmap != None)
	253	{
	254	XFreePixmap( dpy, mask_pixmap );
	255	}
	256
	257	if (cursor)
	258	{
	259	wxXCursor *c = new wxXCursor;
	260
	261	c->m_cursor = (WXCursor) cursor;
	262	c->m_display = (WXDisplay*) dpy;
	263	M_CURSORDATA->m_cursors.Append(c);
	264	}
	265	}
	266
	267	wxCursor::wxCursor(const wxString& name, long flags, int hotSpotX, int hotSpotY)
	268	{
	269	// Must be an XBM file
	270	if (flags != wxBITMAP_TYPE_XBM)
	271	return;
	272
	273	m_refData = new wxCursorRefData;
	274
	275	int hotX = -1, hotY = -1;
	276	unsigned int w, h;
	277	Pixmap pixmap;
	278
	279	Display dpy = (Display) wxGetDisplay();
	280	int screen_num = DefaultScreen (dpy);
	281
	282	int value = XReadBitmapFile (dpy, RootWindow (dpy, DefaultScreen (dpy)),
	283	wxConstCast(name.c_str(), char),
	284	&w, &h, &pixmap, &hotX, &hotY);
	285
	286	if ((value == BitmapFileInvalid) \|\|
	287	(value == BitmapOpenFailed) \|\|
	288	(value == BitmapNoMemory))
	289	{
	290	}
	291	else
	292	{
	293	XColor foreground_color;
	294	XColor background_color;
	295	foreground_color.pixel = BlackPixel(dpy, screen_num);
	296	background_color.pixel = WhitePixel(dpy, screen_num);
	297	Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
	298	XQueryColor(dpy, cmap, &foreground_color);
	299	XQueryColor(dpy, cmap, &background_color);
	300
	301	// TODO: how do we determine whether hotX, hotY were read correctly?
	302	if (hotX < 0 \|\| hotY < 0)
	303	{
	304	hotX = hotSpotX;
	305	hotY = hotSpotY;
	306	}
	307	if (hotX < 0 \|\| hotY < 0)
	308	{
	309	hotX = 0;
	310	hotY = 0;
	311	}
	312
	313	Pixmap mask_pixmap = None;
	314	Cursor cursor = XCreatePixmapCursor (dpy,
	315	pixmap,
	316	mask_pixmap,
	317	&foreground_color,
	318	&background_color,
	319	hotX,
	320	hotY);
	321
	322	XFreePixmap( dpy, pixmap );
	323	if (cursor)
	324	{
	325	wxXCursor *c = new wxXCursor;
	326
	327	c->m_cursor = (WXCursor) cursor;
	328	c->m_display = (WXDisplay*) dpy;
	329	M_CURSORDATA->m_cursors.Append(c);
	330	}
	331	}
	332
	333	}
	334
	335	// Cursors by stock number
	336	wxCursor::wxCursor(wxStockCursor id)
	337	{
	338	m_refData = new wxCursorRefData;
	339	M_CURSORDATA->m_cursorId = id;
	340	}
	341
	342	wxCursor::~wxCursor()
	343	{
	344	}
	345
	346	bool wxCursor::Ok() const
	347	{
	348	return m_refData != NULL;
	349	}
	350
	351	// Motif-specific: create/get a cursor for the current display
	352	WXCursor wxCursor::GetXCursor(WXDisplay* display)
	353	{
	354	if (!M_CURSORDATA)
	355	return (WXCursor) 0;
	356	wxXCursorList::Node* node = M_CURSORDATA->m_cursors.GetFirst();
	357	while (node)
	358	{
	359	wxXCursor* c = node->GetData();
	360	if (c->m_display == display)
	361	return c->m_cursor;
	362	node = node->GetNext();
	363	}
	364
	365	// No cursor for this display, so let's see if we're an id-type cursor.
	366
	367	if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
	368	{
	369	WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
	370	if (cursor)
	371	{
	372	wxXCursor* c = new wxXCursor;
	373	c->m_cursor = cursor;
	374	c->m_display = display;
	375	M_CURSORDATA->m_cursors.Append(c);
	376	return cursor;
	377	}
	378	else
	379	return (WXCursor) 0;
	380	}
	381
	382	// Not an id-type cursor, so we don't know how to create it.
	383	return (WXCursor) 0;
	384	}
	385
	386	// Make a cursor from standard id
	387	WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id)
	388	{
	389	Display* dpy = (Display*) display;
	390	Cursor cursor = (Cursor) 0;
	391	int x_cur = -1;
	392
	393	switch (id)
	394	{
	395	case wxCURSOR_WAIT: x_cur = XC_watch; break;
	396	case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
	397	case wxCURSOR_CHAR: return (WXCursor)cursor; break;
	398	case wxCURSOR_HAND: x_cur = XC_hand1; break;
	399	case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
	400	case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
	401	case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
	402	case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
	403	case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
	404	case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
	405	case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
	406	case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
	407	case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
	408	case wxCURSOR_SIZING: x_cur = XC_sizing; break;
	409	case wxCURSOR_WATCH: x_cur = XC_watch; break;
	410	case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
	411	case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
	412	case wxCURSOR_SIZENWSE:
	413	case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
	414	case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
	415	case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
	416	case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
	417	case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
	418	// (JD Huggins) added more stock cursors for X
	419	// X-only cursors BEGIN
	420	case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
	421	case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
	422	case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
	423	case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
	424	case wxCURSOR_BLANK:
	425	{
	426	GC gc;
	427	XGCValues gcv;
	428	Pixmap empty_pixmap;
	429	XColor blank_color;
	430
	431	empty_pixmap =
	432	XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
	433	16, 16, 1);
	434	gcv.function = GXxor;
	435	gc = XCreateGC (dpy,
	436	empty_pixmap,
	437	GCFunction,
	438	&gcv);
	439	XCopyArea (dpy,
	440	empty_pixmap,
	441	empty_pixmap,
	442	gc,
	443	0, 0,
	444	16, 16,
	445	0, 0);
	446	XFreeGC (dpy, gc);
	447	cursor = XCreatePixmapCursor (dpy,
	448	empty_pixmap,
	449	empty_pixmap,
	450	&blank_color,
	451	&blank_color,
	452	8, 8);
	453
	454	break;
	455	}
	456	case wxCURSOR_ARROW:
	457	default: x_cur = XC_top_left_arrow; break;
	458	}
	459
	460	if( x_cur == -1 )
	461	return (WXCursor)cursor;
	462
	463	cursor = XCreateFontCursor (dpy, x_cur);
	464	return (WXCursor) cursor;
	465	}
	466
	467	// Global cursor setting
	468	void wxSetCursor(const wxCursor& WXUNUSED(cursor))
	469	{
	470	// Nothing to do for Motif (no global cursor)
	471	}
	472
	473
	474	// ----------------------------------------------------------------------------
	475	// busy cursor stuff
	476	// ----------------------------------------------------------------------------
	477
	478	static int wxBusyCursorCount = 0;
	479
	480	// Helper function
	481	static void
	482	wxXSetBusyCursor (wxWindow * win, wxCursor * cursor)
	483	{
	484	Display display = (Display) win->GetXDisplay();
	485
	486	Window xwin = (Window) win->GetXWindow();
	487	if (!xwin)
	488	return;
	489
	490	XSetWindowAttributes attrs;
	491
	492	if (cursor)
	493	{
	494	attrs.cursor = (Cursor) cursor->GetXCursor(display);
	495	}
	496	else
	497	{
	498	// Restore old cursor
	499	if (win->GetCursor().Ok())
	500	attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
	501	else
	502	attrs.cursor = None;
	503	}
	504	if (xwin)
	505	XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
	506
	507	XFlush (display);
	508
	509	for(wxWindowList::Node *node = win->GetChildren().GetFirst (); node;
	510	node = node->GetNext())
	511	{
	512	wxWindow *child = node->GetData ();
	513	wxXSetBusyCursor (child, cursor);
	514	}
	515	}
	516
	517	// Set the cursor to the busy cursor for all windows
	518	void wxBeginBusyCursor(wxCursor *cursor)
	519	{
	520	wxBusyCursorCount++;
	521	if (wxBusyCursorCount == 1)
	522	{
	523	for(wxWindowList::Node *node = wxTopLevelWindows.GetFirst (); node;
	524	node = node->GetNext())
	525	{
	526	wxWindow *win = node->GetData ();
	527	wxXSetBusyCursor (win, cursor);
	528	}
	529	}
	530	}
	531
	532	// Restore cursor to normal
	533	void wxEndBusyCursor()
	534	{
	535	if (wxBusyCursorCount == 0)
	536	return;
	537
	538	wxBusyCursorCount--;
	539	if (wxBusyCursorCount == 0)
	540	{
	541	for(wxWindowList::Node *node = wxTopLevelWindows.GetFirst (); node;
	542	node = node->GetNext())
	543	{
	544	wxWindow *win = node->GetData ();
	545	wxXSetBusyCursor (win, NULL);
	546	}
	547	}
	548	}
	549
	550	// TRUE if we're between the above two calls
	551	bool wxIsBusy()
	552	{
	553	return (wxBusyCursorCount > 0);
	554	}