103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
|
/*
|
||
|
|
* This file is part of the UCB release of Plan 9. It is subject to the license
|
||
|
|
* terms in the LICENSE file found in the top-level directory of this
|
||
|
|
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
|
||
|
|
* part of the UCB release of Plan 9, including this file, may be copied,
|
||
|
|
* modified, propagated, or distributed except according to the terms contained
|
||
|
|
* in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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)
|