Import sources from 2011-03-30 iso image - sys/include

1 files changed, 93 insertions, 0 deletions

diff --git a/sys/include/frame.h b/sys/include/frame.h
new file mode 100755
index 000000000..162483f2c
--- /dev/null
+++ b/sys/include/frame.h
@@ -0,0 +1,93 @@
+#pragma	src	"/sys/src/libframe"
+#pragma	lib	"libframe.a"
+
+typedef struct Frbox Frbox;
+typedef struct Frame Frame;
+
+enum{
+	BACK,
+	HIGH,
+	BORD,
+	TEXT,
+	HTEXT,
+	NCOL
+};
+
+#define	FRTICKW	3
+
+struct Frbox
+{
+	long		wid;		/* in pixels */
+	long		nrune;		/* <0 ==> negate and treat as break char */
+	union{
+		uchar	*ptr;
+		struct{
+			short	bc;	/* break char */
+			short	minwid;
+		};
+	};
+};
+
+struct Frame
+{
+	Font		*font;		/* of chars in the frame */
+	Display		*display;	/* on which frame appears */
+	Image		*b;		/* on which frame appears */
+	Image		*cols[NCOL];	/* text and background colors */
+	Rectangle	r;		/* in which text appears */
+	Rectangle	entire;		/* of full frame */
+	void			(*scroll)(Frame*, int);	/* scroll function provided by application */
+	Frbox		*box;
+	ulong		p0, p1;		/* selection */
+	ushort		nbox, nalloc;
+	ushort		maxtab;		/* max size of tab, in pixels */
+	ushort		nchars;		/* # runes in frame */
+	ushort		nlines;		/* # lines with text */
+	ushort		maxlines;	/* total # lines in frame */
+	ushort		lastlinefull;	/* last line fills frame */
+	ushort		modified;	/* changed since frselect() */
+	Image		*tick;	/* typing tick */
+	Image		*tickback;	/* saved image under tick */
+	int			ticked;	/* flag: is tick onscreen? */
+};
+
+ulong	frcharofpt(Frame*, Point);
+Point	frptofchar(Frame*, ulong);
+int	frdelete(Frame*, ulong, ulong);
+void	frinsert(Frame*, Rune*, Rune*, ulong);
+void	frselect(Frame*, Mousectl*);
+void	frselectpaint(Frame*, Point, Point, Image*);
+void	frdrawsel(Frame*, Point, ulong, ulong, int);
+Point frdrawsel0(Frame*, Point, ulong, ulong, Image*, Image*);
+void	frinit(Frame*, Rectangle, Font*, Image*, Image**);
+void	frsetrects(Frame*, Rectangle, Image*);
+void	frclear(Frame*, int);
+
+uchar	*_frallocstr(Frame*, unsigned);
+void	_frinsure(Frame*, int, unsigned);
+Point	_frdraw(Frame*, Point);
+void	_frgrowbox(Frame*, int);
+void	_frfreebox(Frame*, int, int);
+void	_frmergebox(Frame*, int);
+void	_frdelbox(Frame*, int, int);
+void	_frsplitbox(Frame*, int, int);
+int	_frfindbox(Frame*, int, ulong, ulong);
+void	_frclosebox(Frame*, int, int);
+int	_frcanfit(Frame*, Point, Frbox*);
+void	_frcklinewrap(Frame*, Point*, Frbox*);
+void	_frcklinewrap0(Frame*, Point*, Frbox*);
+void	_fradvance(Frame*, Point*, Frbox*);
+int	_frnewwid(Frame*, Point, Frbox*);
+int	_frnewwid0(Frame*, Point, Frbox*);
+void	_frclean(Frame*, Point, int, int);
+void	_frdrawtext(Frame*, Point, Image*, Image*);
+void	_fraddbox(Frame*, int, int);
+Point	_frptofcharptb(Frame*, ulong, Point, int);
+Point	_frptofcharnb(Frame*, ulong, int);
+int	_frstrlen(Frame*, int);
+void	frtick(Frame*, Point, int);
+void	frinittick(Frame*);
+void	frredraw(Frame*);
+
+#define	NRUNE(b)	((b)->nrune<0? 1 : (b)->nrune)
+#define	NBYTE(b)	strlen((char*)(b)->ptr)