92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
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#include "xlib.h"
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Generic_Predicate (Cursor)
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Generic_Equal_Dpy (Cursor, CURSOR, cursor)
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Generic_Print (Cursor, "#[cursor %lu]", CURSOR(x)->cursor)
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Generic_Get_Display (Cursor, CURSOR)
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static Object Internal_Make_Cursor (finalize, dpy, cursor)
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Display *dpy; Cursor cursor; {
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Object c;
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if (cursor == None)
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return Sym_None;
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c = Find_Object (T_Cursor, (GENERIC)dpy, Match_X_Obj, cursor);
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if (Nullp (c)) {
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c = Alloc_Object (sizeof (struct S_Cursor), T_Cursor, 0);
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CURSOR(c)->tag = Null;
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CURSOR(c)->cursor = cursor;
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CURSOR(c)->dpy = dpy;
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CURSOR(c)->free = 0;
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Register_Object (c, (GENERIC)dpy,
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finalize ? P_Free_Cursor : (PFO)0, 0);
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}
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return c;
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}
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/* Backwards compatibility: */
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Object Make_Cursor (dpy, cursor) Display *dpy; Cursor cursor; {
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return Internal_Make_Cursor (1, dpy, cursor);
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}
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Object Make_Cursor_Foreign (dpy, cursor) Display *dpy; Cursor cursor; {
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return Internal_Make_Cursor (0, dpy, cursor);
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}
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Cursor Get_Cursor (c) Object c; {
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if (EQ(c, Sym_None))
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return None;
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Check_Type (c, T_Cursor);
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return CURSOR(c)->cursor;
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}
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Object P_Free_Cursor (c) Object c; {
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Check_Type (c, T_Cursor);
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if (!CURSOR(c)->free)
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XFreeCursor (CURSOR(c)->dpy, CURSOR(c)->cursor);
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Deregister_Object (c);
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CURSOR(c)->free = 1;
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return Void;
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}
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static Object P_Create_Cursor (srcp, maskp, x, y, f, b)
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Object srcp, maskp, x, y, f, b; {
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Pixmap sp = Get_Pixmap (srcp), mp;
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Display *d = PIXMAP(srcp)->dpy;
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mp = EQ(maskp, Sym_None) ? None : Get_Pixmap (maskp);
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return Make_Cursor (d, XCreatePixmapCursor (d, sp, mp,
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Get_Color (f), Get_Color (b), Get_Integer (x), Get_Integer (y)));
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}
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static Object P_Create_Glyph_Cursor (srcf, srcc, maskf, maskc, f, b)
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Object srcf, srcc, maskf, maskc, f, b; {
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Font sf = Get_Font (srcf), mf;
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Display *d = FONT(srcf)->dpy;
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mf = EQ(maskf, Sym_None) ? None : Get_Font (maskf);
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return Make_Cursor (d, XCreateGlyphCursor (d, sf, mf,
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Get_Integer (srcc), mf == None ? 0 : Get_Integer (maskc),
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Get_Color (f), Get_Color (b)));
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}
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static Object P_Recolor_Cursor (c, f, b) Object c, f, b; {
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Check_Type (c, T_Cursor);
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XRecolorCursor (CURSOR(c)->dpy, CURSOR(c)->cursor, Get_Color (f),
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Get_Color (b));
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return Void;
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}
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elk_init_xlib_cursor () {
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Generic_Define (Cursor, "cursor", "cursor?");
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Define_Primitive (P_Cursor_Display, "cursor-display", 1, 1, EVAL);
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Define_Primitive (P_Free_Cursor, "free-cursor", 1, 1, EVAL);
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Define_Primitive (P_Create_Cursor, "create-cursor", 6, 6, EVAL);
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Define_Primitive (P_Create_Glyph_Cursor, "create-glyph-cursor",
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6, 6, EVAL);
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Define_Primitive (P_Recolor_Cursor, "recolor-cursor", 3, 3, EVAL);
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}
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