| Greg Hartman | 76d05dc | 2016-11-23 15:51:27 -0800 | [diff] [blame^] | 1 | #include <curses.h> |
| 2 | #include "mucurses.h" |
| 3 | #include "cursor.h" |
| 4 | |
| 5 | /** @file |
| 6 | * |
| 7 | * MuCurses edging functions |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * Draw borders from single-byte characters and renditions around a |
| 13 | * window |
| 14 | * |
| 15 | * @v *win window to be bordered |
| 16 | * @v verch vertical chtype |
| 17 | * @v horch horizontal chtype |
| 18 | * @ret rc return status code |
| 19 | */ |
| 20 | int box ( WINDOW *win, chtype verch, chtype horch ) { |
| 21 | chtype corner = '+' | win->attrs; /* default corner character */ |
| 22 | return wborder( win, verch, verch, horch, horch, |
| 23 | corner, corner, corner, corner ); |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * Draw borders from single-byte characters and renditions around a |
| 28 | * window |
| 29 | * |
| 30 | * @v *win window to be bordered |
| 31 | * @v ls left side |
| 32 | * @v rs right side |
| 33 | * @v ts top |
| 34 | * @v bs bottom |
| 35 | * @v tl top left corner |
| 36 | * @v tr top right corner |
| 37 | * @v bl bottom left corner |
| 38 | * @v br bottom right corner |
| 39 | * @ret rc return status code |
| 40 | */ |
| 41 | int wborder ( WINDOW *win, chtype ls, chtype rs, |
| 42 | chtype ts, chtype bs, chtype tl, |
| 43 | chtype tr, chtype bl, chtype br ) { |
| 44 | struct cursor_pos pos; |
| 45 | |
| 46 | _store_curs_pos( win, &pos ); |
| 47 | wmove(win,0,0); |
| 48 | |
| 49 | _wputch(win,tl,WRAP); |
| 50 | while ( ( win->width - 1 ) - win->curs_x ) { |
| 51 | _wputch(win,ts,WRAP); |
| 52 | } |
| 53 | _wputch(win,tr,WRAP); |
| 54 | |
| 55 | while ( ( win->height - 1 ) - win->curs_y ) { |
| 56 | _wputch(win,ls,WRAP); |
| 57 | wmove(win,win->curs_y,(win->width)-1); |
| 58 | _wputch(win,rs,WRAP); |
| 59 | } |
| 60 | |
| 61 | _wputch(win,bl,WRAP); |
| 62 | while ( ( win->width -1 ) - win->curs_x ) { |
| 63 | _wputch(win,bs,WRAP); |
| 64 | } |
| 65 | _wputch(win,br,NOWRAP); /* do not wrap last char to leave |
| 66 | cursor in last position */ |
| 67 | _restore_curs_pos( win, &pos ); |
| 68 | |
| 69 | return OK; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Create a horizontal line in a window |
| 74 | * |
| 75 | * @v *win subject window |
| 76 | * @v ch rendition and character |
| 77 | * @v n max number of chars (wide) to render |
| 78 | * @ret rc return status code |
| 79 | */ |
| 80 | int whline ( WINDOW *win, chtype ch, int n ) { |
| 81 | struct cursor_pos pos; |
| 82 | |
| 83 | _store_curs_pos ( win, &pos ); |
| 84 | while ( ( win->curs_x - win->width ) && n-- ) { |
| 85 | _wputch ( win, ch, NOWRAP ); |
| 86 | } |
| 87 | _restore_curs_pos ( win, &pos ); |
| 88 | |
| 89 | return OK; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Create a vertical line in a window |
| 94 | * |
| 95 | * @v *win subject window |
| 96 | * @v ch rendition and character |
| 97 | * @v n max number of chars (high) to render |
| 98 | * @ret rc return status code |
| 99 | */ |
| 100 | int wvline ( WINDOW *win, chtype ch, int n ) { |
| 101 | struct cursor_pos pos; |
| 102 | |
| 103 | _store_curs_pos ( win, &pos ); |
| 104 | while ( ( win->curs_y - win->height ) && n-- ) { |
| 105 | _wputch ( win, ch, NOWRAP ); |
| 106 | wmove( win, ++(win->curs_y), pos.x); |
| 107 | } |
| 108 | _restore_curs_pos ( win, &pos ); |
| 109 | |
| 110 | return OK; |
| 111 | } |