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