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	flayer.h - sam - An updated version of the sam text editor.
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	flayer.h (1428B)
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	1 /* Copyright (c) 1998 Lucent Technologies - All rights reserved. */
	2 #undef None
	3 typedef enum Vis{
	4 None=0,
	5 Some,
	6 All
	7 }Vis;
	8
	9 enum{
	10 Clicktime=1000 /* one second */
	11 };
	12
	13 typedef struct Flayer Flayer;
	14
	15 /* note that we track background color, but not foreground
	16 * all layers have the same foreground color
	17 */
	18 struct Flayer
	19 {
	20 uint64_t bg;
	21 Frame f;
	22 int64_t origin; /* offset of first char in flayer */
	23 int64_t p0, p1;
	24 int64_t click; /* time at which selection click occurred, in…
	25 wchar_t (textfn)(Flayer, int64_t, uint64_t);
	26 int user0;
	27 void *user1;
	28 Rectangle entire;
	29 Rectangle scroll;
	30 Vis visible;
	31 };
	32
	33 void flborder(Flayer*, bool);
	34 void flclose(Flayer*);
	35 void fldelete(Flayer*, int64_t, int64_t);
	36 void flfp0p1(Flayer, uint64_t, uint64_t*);
	37 void flinit(Flayer, Rectangle, XftFont, uint64_t bg);
	38 void flinsert(Flayer, wchar_t, wchar_t*, int64_t);
	39 void flnew(Flayer, wchar_t (fn)(Flayer, int64_t, uint64_t*), int,…
	40 int flprepare(Flayer*);
	41 Rectangle flrect(Flayer*, Rectangle);
	42 void flrefresh(Flayer*, Rectangle, int);
	43 void flreshape(Rectangle);
	44 bool flselect(Flayer*);
	45 void flsetselect(Flayer*, int64_t, int64_t);
	46 void flstart(Rectangle);
	47 void flupfront(Flayer*);
	48 Flayer *flwhich(Point);
	49
	50 #define FLMARGIN 4
	51 #define FLSCROLLWID 12
	52 #define FLGAP 4