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- fixes to _wputch to get positioning and wrap working properly

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- fixes to wborder (same)
- addition of a few minor functions
This commit is contained in:
Dan Lynch 2006-05-22 13:10:19 +00:00
parent 95956443e1
commit f778500739
2 changed files with 74 additions and 25 deletions
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51
src/core/curses.c
View File

@ -31,6 +31,7 @@ WINDOW _stdscr = {
.ori_x = 0,
.curs_y = 0,
.curs_x = 0,
.scr = curscr,
};
/*
@ -50,15 +51,15 @@ static void _wputch ( WINDOW *win, chtype ch, int wrap ) {
win->scr->movetoyx( win->scr, win->ori_y + win->curs_y,
win->ori_x + win->curs_x );
win->scr->putc(win->scr, ch);
if ( ++(win->curs_x) > win->width ) {
if ( ++(win->curs_x) == win->width ) {
if ( wrap == WRAP ) {
win->curs_x = 0;
/* specification says we should really scroll,
but we have no buffer to scroll with, so we
can only overwrite back at the beginning of
the window */
win->curs_y += ( ( win->curs_y - win->height ) == 0 ?
-(win->curs_y) : 1 );
if ( ++(win->curs_y) == win->height )
win->curs_y = 0;
} else {
(win->curs_x)--;
}
@ -130,7 +131,10 @@ int wmove ( WINDOW *win, int y, int x ) {
return ERR;
}
win->scr->movetoyx( win->scr, y, x );
win->curs_y = y;
win->curs_x = x;
win->scr->movetoyx( win->scr, win->ori_y + win->curs_y,
win->ori_x + win->curs_x );
return OK;
}
@ -253,6 +257,8 @@ inline chtype getbkgd ( WINDOW *win ) {
WINDOW *initscr ( void ) {
/* determine console size */
/* initialise screen */
stdscr->width = 80;
stdscr->height = 25;
/* set previously unknown window attributes */
/* refresh screen */
return stdscr;
@ -274,6 +280,8 @@ WINDOW *newwin ( int nlines, int ncols, int begin_y, int begin_x ) {
win->height = nlines;
win->width = ncols;
win->scr = stdscr->scr;
win->parent = NULL;
win->child = NULL;
return win;
}
@ -433,19 +441,19 @@ int wborder ( WINDOW *win, chtype ls, chtype rs,
wmove(win,0,0);
_wputch(win,tl,WRAP);
while ( win->width - win->curs_x ) {
while ( ( win->width - 1 ) - win->curs_x ) {
_wputch(win,ts,WRAP);
}
_wputch(win,tr,WRAP);
while ( ( win->height - 1 ) - win->curs_y ) {
_wputch(win,ls,WRAP);
wmove(win,win->curs_y,win->width-1);
wmove(win,win->curs_y,(win->width)-1);
_wputch(win,rs,WRAP);
}
_wputch(win,bl,WRAP);
while ( win->width - win->curs_x ) {
while ( ( win->width -1 ) - win->curs_x ) {
_wputch(win,bs,WRAP);
}
_wputch(win,br,NOWRAP); /* do not wrap last char to leave
@ -507,3 +515,32 @@ int wcolour_set ( WINDOW *win, short colour_pair_number, void *opts ) {
return OK;
}
/**
* Delete character under the cursor in a window
*
* @v *win subject window
* @ret rc return status code
*/
int wdelch ( WINDOW *win ) {
struct cursor_pos pos;
_store_curs_pos( win, &pos );
_wputch( win, (unsigned)' ', NOWRAP );
_restore_curs_pos( win, &pos );
return OK;
}
/**
* Delete line under a window's cursor
*
* @v *win subject window
* @ret rc return status code
*/
int wdeleteln ( WINDOW *win ) {
/* let's just set the cursor to the beginning of the line and
let wclrtoeol do the work :) */
wmove( win, win->curs_y, 0 );
wclrtoeol( win );
return OK;
}

48
src/include/curses.h
View File

@ -65,6 +65,8 @@ typedef struct _curses_window {
unsigned int curs_x, curs_y;
/** window dimensions */
unsigned int width, height;
/** parent/child ptrs */
struct _curses_window *parent, *child;
} WINDOW;
extern WINDOW _stdscr;
@ -289,12 +291,12 @@ extern int curs_set ( int );
extern int def_prog_mode ( void );
extern int def_shell_mode ( void );
extern int delay_output ( int );
extern int delch ( void );
extern int deleteln ( void );
/*extern int delch ( void );*/
/*extern int deleteln ( void );*/
extern void delscreen ( SCREEN * );
extern int delwin ( WINDOW * );
extern WINDOW *derwin ( WINDOW *, int, int, int, int );
extern int doupdate ( void );
/*extern int doupdate ( void );*/
extern WINDOW *dupwin ( WINDOW * );
extern int echo ( void );
extern int echochar ( const chtype );
@ -324,8 +326,6 @@ extern int init_color ( short, short, short, short );
extern int init_pair ( short, short, short );
extern int innstr ( char *, int );
extern int insch ( chtype );
extern int insdelln ( int );
extern int insertln ( void );
extern int insnstr ( const char *, int );
extern int insstr ( const char * );
extern int instr ( char * );
@ -346,7 +346,7 @@ extern int meta ( WINDOW *, bool );
/*extern int mvaddnstr ( int, int, const char *, int );*/
/*extern int mvaddstr ( int, int, const char * );*/
extern int mvcur ( int, int, int, int );
extern int mvdelch ( int, int );
/*extern int mvdelch ( int, int );*/
extern int mvderwin ( WINDOW *, int, int );
extern int mvgetch ( int, int );
extern int mvgetnstr ( int, int, char *, int );
@ -368,7 +368,7 @@ extern int mvvline ( int, int, chtype, int );
/*extern int mvwaddchstr ( WINDOW *, int, int, const chtype * );*/
/*extern int mvwaddnstr ( WINDOW *, int, int, const char *, int );*/
/*extern int mvwaddstr ( WINDOW *, int, int, const char * );*/
extern int mvwdelch ( WINDOW *, int, int );
/*extern int mvwdelch ( WINDOW *, int, int );*/
extern int mvwgetch ( WINDOW *, int, int );
extern int mvwgetnstr ( WINDOW *, int, int, char *, int );
extern int mvwgetstr ( WINDOW *, int, int, char * );
@ -407,21 +407,17 @@ extern int printw ( char *, ... );
extern int putp ( const char * );
extern void qiflush ( void );
extern int raw ( void );
extern int redrawwin ( WINDOW * );
extern int refresh ( void );
/*extern int redrawwin ( WINDOW * );*/
/*extern int refresh ( void );*/
extern int reset_prog_mode ( void );
extern int reset_shell_mode ( void );
extern int resetty ( void );
extern int ripoffline ( int, int ( *) ( WINDOW *, int) );
extern int savetty ( void );
extern int scanw ( char *, ... );
extern int scr_dump ( const char * );
extern int scr_init ( const char * );
extern int scrl ( int );
extern int scroll ( WINDOW * );
extern int scrollok ( WINDOW *, bool );
extern int scr_restore ( const char * );
extern int scr_set ( const char * );
extern int setscrreg ( int, int );
extern SCREEN *set_term ( SCREEN * );
extern int setupterm ( char *, int, int * );
@ -503,18 +499,16 @@ extern int winchnstr ( WINDOW *, chtype *, int );
extern int winchstr ( WINDOW *, chtype * );
extern int winnstr ( WINDOW *, char *, int );
extern int winsch ( WINDOW *, chtype );
extern int winsdelln ( WINDOW *, int );
extern int winsertln ( WINDOW * );
extern int winsnstr ( WINDOW *, const char *, int );
extern int winsstr ( WINDOW *, const char * );
extern int winstr ( WINDOW *, char * );
extern int wmove ( WINDOW *, int, int );
extern int wnoutrefresh ( WINDOW * );
extern int wprintw ( WINDOW *, char *, ... );
extern int wredrawln ( WINDOW *, int, int );
extern int wrefresh ( WINDOW * );
/*extern int wredrawln ( WINDOW *, int, int );*/
/*extern int wrefresh ( WINDOW * );*/
extern int wscanw ( WINDOW *, char *, ... );
extern int wscrl ( WINDOW *, int );
/*extern int wscrl ( WINDOW *, int );*/
extern int wsetscrreg ( WINDOW *, int, int );
extern int wstandend ( WINDOW * );
extern int wstandout ( WINDOW * );
@ -580,6 +574,14 @@ static inline int clrtoeol ( void ) {
return wclrtoeol( stdscr );
}
static inline int delch ( void ) {
return wdelch ( stdscr );
}
static inline int deleteln ( void ) {
return wdeleteln( stdscr );
}
static inline int move ( int y, int x ) {
return wmove ( stdscr, y, x );
}
@ -609,6 +611,11 @@ static inline int mvaddstr ( int y, int x, const char *str ) {
? ERR : waddnstr ( stdscr, str, -1 ) );
}
static inline int mvdelch ( int y, int x ) {
return ( wmove ( stdscr, y, x ) == ERR
? ERR : wdelch ( stdscr ) );
}
static inline int mvwaddch ( WINDOW *win, int y, int x, const chtype ch ) {
return ( wmove( win, y, x ) == ERR
? ERR : waddch ( win, ch ) );
@ -634,6 +641,11 @@ static inline int mvwaddstr ( WINDOW *win, int y, int x, const char *str ) {
? ERR : waddnstr ( win, str, -1 ) );
}
static inline int mvwdelch ( WINDOW *win, int y, int x ) {
return ( wmove ( win, y, x ) == ERR
? ERR : wdelch ( win ) );
}
static inline int waddchstr ( WINDOW *win, const chtype *chstr ) {
return waddchnstr ( win, chstr, -1 );
}