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#include <stdio.h>
#include <X11/Xlib.h>
#include "generic.h"
typedef struct {
ltgenericd g;
Cursor c;
} ltcursord, *ltcursor;
tcursor tcursor_new(where, w, h, xhot, yhot, sbits, mbits, fg, bg)
titem where;
int w, h, xhot, yhot;
char *sbits;
char *mbits;
tcolor fg, bg;
{
Display *xdpy;
tdisplay dpy;
Pixmap src, msk;
Drawable win;
ltcursor c;
/* check types */
if(where==NULL || sbits==NULL || mbits==NULL || fg==NULL || bg==NULL)
return(NULL);
if(w<=0 || h<=0)
return(NULL);
if(xhot<0 || xhot>=w || yhot<0 || yhot>=h)
return(NULL);
if(titem_type(fg)!=lt_color ||
titem_type(bg)!=lt_color)
return(NULL);
dpy=(tdisplay)titem_display(where);
win=(Drawable)titem_drawable(where);
xdpy=(Display *)tdisplay_X(dpy);
src=XCreateBitmapFromData(xdpy, win, sbits, w, h);
if(src==NULL)
return(NULL);
msk=XCreateBitmapFromData(xdpy, win, mbits, w, h);
if(msk==NULL)
{
XFreePixmap(xdpy, src);
return(NULL);
}
c=(ltcursor)titem_new(NULL, lt_cursor, sizeof(ltcursord));
if(c==NULL)
{
XFreePixmap(xdpy, src);
XFreePixmap(xdpy, msk);
return(NULL);
}
c->c=XCreatePixmapCursor(xdpy, src, msk,
tcolor_Xcolor(fg), tcolor_Xcolor(bg), xhot, yhot);
XFreePixmap(xdpy, src);
XFreePixmap(xdpy, msk);
if(c->c==NULL)
{
free(c);
return(NULL);
}
return(c);
}
Cursor tcursor_X(c)
ltcursor c;
{
if(c==NULL)
return(NULL);
if(titem_type(c)!=lt_cursor)
return(NULL);
return(c->c);
}
int tcursor_set(c, where)
ltcursor c;
titem where;
{
Display *xdpy;
tdisplay dpy;
Window w;
if(c==NULL || where==NULL)
return(0);
if(titem_type(c)!=lt_cursor)
return(0);
dpy=(tdisplay)titem_display(where);
w=(Drawable)titem_drawable(where);
xdpy=(Display *)tdisplay_X(dpy);
XDefineCursor(xdpy, w, c->c);
return(1);
}
int tcursor_unset(where)
titem where;
{
Display *xdpy;
tdisplay dpy;
Window w;
if(where==NULL)
return(0);
dpy=(tdisplay)titem_display(where);
w=(Drawable)titem_drawable(where);
xdpy=(Display *)tdisplay_X(dpy);
XUndefineCursor(xdpy, w);
return(1);
}
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