114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
#include <curses.h>
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#include "mucurses.h"
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#include "cursor.h"
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/** @file
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*
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* MuCurses edging functions
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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/**
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* Draw borders from single-byte characters and renditions around a
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* window
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*
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* @v *win window to be bordered
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* @v verch vertical chtype
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* @v horch horizontal chtype
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* @ret rc return status code
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*/
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int box ( WINDOW *win, chtype verch, chtype horch ) {
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chtype corner = '+' | win->attrs; /* default corner character */
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return wborder( win, verch, verch, horch, horch,
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corner, corner, corner, corner );
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}
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/**
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* Draw borders from single-byte characters and renditions around a
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* window
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*
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* @v *win window to be bordered
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* @v ls left side
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* @v rs right side
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* @v ts top
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* @v bs bottom
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* @v tl top left corner
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* @v tr top right corner
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* @v bl bottom left corner
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* @v br bottom right corner
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* @ret rc return status code
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*/
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int wborder ( WINDOW *win, chtype ls, chtype rs,
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chtype ts, chtype bs, chtype tl,
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chtype tr, chtype bl, chtype br ) {
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struct cursor_pos pos;
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_store_curs_pos( win, &pos );
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wmove(win,0,0);
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_wputch(win,tl,WRAP);
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while ( ( win->width - 1 ) - win->curs_x ) {
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_wputch(win,ts,WRAP);
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}
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_wputch(win,tr,WRAP);
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while ( ( win->height - 1 ) - win->curs_y ) {
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_wputch(win,ls,WRAP);
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wmove(win,win->curs_y,(win->width)-1);
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_wputch(win,rs,WRAP);
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}
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_wputch(win,bl,WRAP);
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while ( ( win->width -1 ) - win->curs_x ) {
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_wputch(win,bs,WRAP);
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}
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_wputch(win,br,NOWRAP); /* do not wrap last char to leave
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cursor in last position */
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_restore_curs_pos( win, &pos );
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return OK;
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}
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/**
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* Create a horizontal line in a window
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*
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* @v *win subject window
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* @v ch rendition and character
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* @v n max number of chars (wide) to render
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* @ret rc return status code
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*/
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int whline ( WINDOW *win, chtype ch, int n ) {
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struct cursor_pos pos;
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_store_curs_pos ( win, &pos );
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while ( ( win->curs_x - win->width ) && n-- ) {
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_wputch ( win, ch, NOWRAP );
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}
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_restore_curs_pos ( win, &pos );
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return OK;
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}
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/**
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* Create a vertical line in a window
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*
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* @v *win subject window
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* @v ch rendition and character
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* @v n max number of chars (high) to render
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* @ret rc return status code
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*/
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int wvline ( WINDOW *win, chtype ch, int n ) {
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struct cursor_pos pos;
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_store_curs_pos ( win, &pos );
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while ( ( win->curs_y - win->height ) && n-- ) {
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_wputch ( win, ch, NOWRAP );
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wmove( win, ++(win->curs_y), pos.x);
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}
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_restore_curs_pos ( win, &pos );
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return OK;
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}
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