Mercurial > zfc9000 / annotate

pdcurses/delch.c@1c483b54ddcb (annotated)

pdcurses/delch.c

Sat, 23 Jul 2016 12:14:20 +0300

author
Teemu Piippo <teemu@compsta2.com>
date
Sat, 23 Jul 2016 12:14:20 +0300
changeset 161
1c483b54ddcb
parent 97
2d43f05b284c
permissions
-rw-r--r--

Added versions of min() and max() that find the smallest and largest values in an iterable.

97
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
1 /* Public Domain Curses */
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
2
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
3 #include <curspriv.h>
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
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4
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
5 RCSID("$Id: delch.c,v 1.33 2008/07/13 16:08:18 wmcbrine Exp $")
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
6
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
7 /*man-start**************************************************************
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
8
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
9 Name: delch
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
10
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
11 Synopsis:
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
12 int delch(void);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
13 int wdelch(WINDOW *win);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
14 int mvdelch(int y, int x);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
15 int mvwdelch(WINDOW *win, int y, int x);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
16
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
17 Description:
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
18 The character under the cursor in the window is deleted. All
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
19 characters to the right on the same line are moved to the left
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
20 one position and the last character on the line is filled with
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
21 a blank. The cursor position does not change (after moving to
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
22 y, x if coordinates are specified).
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
23
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
24 Return Value:
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
25 All functions return OK on success and ERR on error.
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
26
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
27 Portability X/Open BSD SYS V
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
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28 delch Y Y Y
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
29 wdelch Y Y Y
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
30 mvdelch Y Y Y
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
31 mvwdelch Y Y Y
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
32
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
33 **man-end****************************************************************/
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
34
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
35 #include <string.h>
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
36
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
37 int wdelch(WINDOW *win)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
38 {
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
39 int y, x, maxx;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
40 chtype *temp1;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
41
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
42 PDC_LOG(("wdelch() - called\n"));
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
43
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
44 if (!win)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
45 return ERR;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
46
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
47 y = win->_cury;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
48 x = win->_curx;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
49 maxx = win->_maxx - 1;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
50 temp1 = &win->_y[y][x];
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
51
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
52 memmove(temp1, temp1 + 1, (maxx - x) * sizeof(chtype));
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
53
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
54 /* wrs (4/10/93) account for window background */
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
55
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
56 win->_y[y][maxx] = win->_bkgd;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
57
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
58 win->_lastch[y] = maxx;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
59
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
60 if ((win->_firstch[y] == _NO_CHANGE) || (win->_firstch[y] > x))
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
61 win->_firstch[y] = x;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
62
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
63 PDC_sync(win);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
64
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
65 return OK;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
66 }
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
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parents:
diff changeset
67
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
68 int delch(void)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
69 {
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
70 PDC_LOG(("delch() - called\n"));
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
71
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
72 return wdelch(stdscr);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
73 }
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
74
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
75 int mvdelch(int y, int x)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
76 {
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
77 PDC_LOG(("mvdelch() - called\n"));
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
78
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
79 if (move(y, x) == ERR)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
80 return ERR;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
81
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
82 return wdelch(stdscr);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
83 }
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
84
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
85 int mvwdelch(WINDOW *win, int y, int x)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
86 {
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
87 PDC_LOG(("mvwdelch() - called\n"));
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
88
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
89 if (wmove(win, y, x) == ERR)
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
90 return ERR;
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
91
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
92 return wdelch(win);
2d43f05b284c Added pdcurses source files, if no curses library is provided, these source files will be fallen back to instead of raising an error. Should make compiling on windows slightly less painful.
Teemu Piippo <tsapii@utu.fi>
parents:
diff changeset
93 }

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