1 |
|
|
/* $OpenBSD: lib_window.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */ |
2 |
|
|
|
3 |
|
|
/**************************************************************************** |
4 |
|
|
* Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * |
5 |
|
|
* * |
6 |
|
|
* Permission is hereby granted, free of charge, to any person obtaining a * |
7 |
|
|
* copy of this software and associated documentation files (the * |
8 |
|
|
* "Software"), to deal in the Software without restriction, including * |
9 |
|
|
* without limitation the rights to use, copy, modify, merge, publish, * |
10 |
|
|
* distribute, distribute with modifications, sublicense, and/or sell * |
11 |
|
|
* copies of the Software, and to permit persons to whom the Software is * |
12 |
|
|
* furnished to do so, subject to the following conditions: * |
13 |
|
|
* * |
14 |
|
|
* The above copyright notice and this permission notice shall be included * |
15 |
|
|
* in all copies or substantial portions of the Software. * |
16 |
|
|
* * |
17 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
18 |
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
19 |
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
20 |
|
|
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
21 |
|
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
22 |
|
|
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
23 |
|
|
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
24 |
|
|
* * |
25 |
|
|
* Except as contained in this notice, the name(s) of the above copyright * |
26 |
|
|
* holders shall not be used in advertising or otherwise to promote the * |
27 |
|
|
* sale, use or other dealings in this Software without prior written * |
28 |
|
|
* authorization. * |
29 |
|
|
****************************************************************************/ |
30 |
|
|
|
31 |
|
|
/**************************************************************************** |
32 |
|
|
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * |
33 |
|
|
* and: Eric S. Raymond <esr@snark.thyrsus.com> * |
34 |
|
|
****************************************************************************/ |
35 |
|
|
|
36 |
|
|
/* |
37 |
|
|
** lib_window.c |
38 |
|
|
** |
39 |
|
|
** |
40 |
|
|
*/ |
41 |
|
|
|
42 |
|
|
#include <curses.priv.h> |
43 |
|
|
|
44 |
|
|
MODULE_ID("$Id: lib_window.c,v 1.3 2010/01/12 23:22:06 nicm Exp $") |
45 |
|
|
|
46 |
|
|
NCURSES_EXPORT(void) |
47 |
|
|
_nc_synchook(WINDOW *win) |
48 |
|
|
/* hook to be called after each window change */ |
49 |
|
|
{ |
50 |
|
|
if (win->_immed) |
51 |
|
|
wrefresh(win); |
52 |
|
|
if (win->_sync) |
53 |
|
|
wsyncup(win); |
54 |
|
|
} |
55 |
|
|
|
56 |
|
|
NCURSES_EXPORT(int) |
57 |
|
|
mvderwin(WINDOW *win, int y, int x) |
58 |
|
|
/* move a derived window */ |
59 |
|
|
{ |
60 |
|
|
WINDOW *orig; |
61 |
|
|
int i; |
62 |
|
|
|
63 |
|
|
T((T_CALLED("mvderwin(%p,%d,%d)"), win, y, x)); |
64 |
|
|
|
65 |
|
|
if (win && (orig = win->_parent)) { |
66 |
|
|
if (win->_parx == x && win->_pary == y) |
67 |
|
|
returnCode(OK); |
68 |
|
|
if (x < 0 || y < 0) |
69 |
|
|
returnCode(ERR); |
70 |
|
|
if ((x + getmaxx(win) > getmaxx(orig)) || |
71 |
|
|
(y + getmaxy(win) > getmaxy(orig))) |
72 |
|
|
returnCode(ERR); |
73 |
|
|
} else |
74 |
|
|
returnCode(ERR); |
75 |
|
|
wsyncup(win); |
76 |
|
|
win->_parx = x; |
77 |
|
|
win->_pary = y; |
78 |
|
|
for (i = 0; i < getmaxy(win); i++) |
79 |
|
|
win->_line[i].text = &(orig->_line[y++].text[x]); |
80 |
|
|
returnCode(OK); |
81 |
|
|
} |
82 |
|
|
|
83 |
|
|
NCURSES_EXPORT(int) |
84 |
|
|
syncok(WINDOW *win, bool bf) |
85 |
|
|
/* enable/disable automatic wsyncup() on each change to window */ |
86 |
|
|
{ |
87 |
|
|
T((T_CALLED("syncok(%p,%d)"), win, bf)); |
88 |
|
|
|
89 |
|
|
if (win) { |
90 |
|
|
win->_sync = bf; |
91 |
|
|
returnCode(OK); |
92 |
|
|
} else |
93 |
|
|
returnCode(ERR); |
94 |
|
|
} |
95 |
|
|
|
96 |
|
|
NCURSES_EXPORT(void) |
97 |
|
|
wsyncup(WINDOW *win) |
98 |
|
|
/* mark changed every cell in win's ancestors that is changed in win */ |
99 |
|
|
/* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...) */ |
100 |
|
|
{ |
101 |
|
|
WINDOW *wp; |
102 |
|
|
|
103 |
|
|
T((T_CALLED("wsyncup(%p)"), win)); |
104 |
|
|
if (win && win->_parent) { |
105 |
|
|
for (wp = win; wp->_parent; wp = wp->_parent) { |
106 |
|
|
int y; |
107 |
|
|
WINDOW *pp = wp->_parent; |
108 |
|
|
|
109 |
|
|
assert((wp->_pary <= pp->_maxy) && |
110 |
|
|
((wp->_pary + wp->_maxy) <= pp->_maxy)); |
111 |
|
|
|
112 |
|
|
for (y = 0; y <= wp->_maxy; y++) { |
113 |
|
|
int left = wp->_line[y].firstchar; |
114 |
|
|
if (left >= 0) { /* line is touched */ |
115 |
|
|
struct ldat *line = &(pp->_line[wp->_pary + y]); |
116 |
|
|
/* left & right character in parent window coordinates */ |
117 |
|
|
int right = wp->_line[y].lastchar + wp->_parx; |
118 |
|
|
left += wp->_parx; |
119 |
|
|
|
120 |
|
|
CHANGED_RANGE(line, left, right); |
121 |
|
|
} |
122 |
|
|
} |
123 |
|
|
} |
124 |
|
|
} |
125 |
|
|
returnVoid; |
126 |
|
|
} |
127 |
|
|
|
128 |
|
|
NCURSES_EXPORT(void) |
129 |
|
|
wsyncdown(WINDOW *win) |
130 |
|
|
/* mark changed every cell in win that is changed in any of its ancestors */ |
131 |
|
|
/* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...) */ |
132 |
|
|
{ |
133 |
|
|
T((T_CALLED("wsyncdown(%p)"), win)); |
134 |
|
|
|
135 |
|
|
if (win && win->_parent) { |
136 |
|
|
WINDOW *pp = win->_parent; |
137 |
|
|
int y; |
138 |
|
|
|
139 |
|
|
/* This recursion guarantees, that the changes are propagated down- |
140 |
|
|
wards from the root to our direct parent. */ |
141 |
|
|
wsyncdown(pp); |
142 |
|
|
|
143 |
|
|
/* and now we only have to propagate the changes from our direct |
144 |
|
|
parent, if there are any. */ |
145 |
|
|
assert((win->_pary <= pp->_maxy) && |
146 |
|
|
((win->_pary + win->_maxy) <= pp->_maxy)); |
147 |
|
|
|
148 |
|
|
for (y = 0; y <= win->_maxy; y++) { |
149 |
|
|
if (pp->_line[win->_pary + y].firstchar >= 0) { /* parent changed */ |
150 |
|
|
struct ldat *line = &(win->_line[y]); |
151 |
|
|
/* left and right character in child coordinates */ |
152 |
|
|
int left = pp->_line[win->_pary + y].firstchar - win->_parx; |
153 |
|
|
int right = pp->_line[win->_pary + y].lastchar - win->_parx; |
154 |
|
|
/* The change may be outside the child's range */ |
155 |
|
|
if (left < 0) |
156 |
|
|
left = 0; |
157 |
|
|
if (right > win->_maxx) |
158 |
|
|
right = win->_maxx; |
159 |
|
|
CHANGED_RANGE(line, left, right); |
160 |
|
|
} |
161 |
|
|
} |
162 |
|
|
} |
163 |
|
|
returnVoid; |
164 |
|
|
} |
165 |
|
|
|
166 |
|
|
NCURSES_EXPORT(void) |
167 |
|
|
wcursyncup(WINDOW *win) |
168 |
|
|
/* sync the cursor in all derived windows to its value in the base window */ |
169 |
|
|
{ |
170 |
|
|
WINDOW *wp; |
171 |
|
|
|
172 |
|
|
T((T_CALLED("wcursyncup(%p)"), win)); |
173 |
|
|
for (wp = win; wp && wp->_parent; wp = wp->_parent) { |
174 |
|
|
wmove(wp->_parent, wp->_pary + wp->_cury, wp->_parx + wp->_curx); |
175 |
|
|
} |
176 |
|
|
returnVoid; |
177 |
|
|
} |
178 |
|
|
|
179 |
|
|
NCURSES_EXPORT(WINDOW *) |
180 |
|
|
dupwin(WINDOW *win) |
181 |
|
|
/* make an exact duplicate of the given window */ |
182 |
|
|
{ |
183 |
|
|
WINDOW *nwin = 0; |
184 |
|
|
size_t linesize; |
185 |
|
|
int i; |
186 |
|
|
|
187 |
|
|
T((T_CALLED("dupwin(%p)"), win)); |
188 |
|
|
|
189 |
|
|
if (win != 0) { |
190 |
|
|
|
191 |
|
|
_nc_lock_global(curses); |
192 |
|
|
if (win->_flags & _ISPAD) { |
193 |
|
|
nwin = newpad(win->_maxy + 1, |
194 |
|
|
win->_maxx + 1); |
195 |
|
|
} else { |
196 |
|
|
nwin = newwin(win->_maxy + 1, |
197 |
|
|
win->_maxx + 1, |
198 |
|
|
win->_begy, |
199 |
|
|
win->_begx); |
200 |
|
|
} |
201 |
|
|
|
202 |
|
|
if (nwin != 0) { |
203 |
|
|
|
204 |
|
|
nwin->_curx = win->_curx; |
205 |
|
|
nwin->_cury = win->_cury; |
206 |
|
|
nwin->_maxy = win->_maxy; |
207 |
|
|
nwin->_maxx = win->_maxx; |
208 |
|
|
nwin->_begy = win->_begy; |
209 |
|
|
nwin->_begx = win->_begx; |
210 |
|
|
nwin->_yoffset = win->_yoffset; |
211 |
|
|
|
212 |
|
|
nwin->_flags = win->_flags & ~_SUBWIN; |
213 |
|
|
/* Due to the use of newwin(), the clone is not a subwindow. |
214 |
|
|
* The text is really copied into the clone. |
215 |
|
|
*/ |
216 |
|
|
|
217 |
|
|
WINDOW_ATTRS(nwin) = WINDOW_ATTRS(win); |
218 |
|
|
nwin->_nc_bkgd = win->_nc_bkgd; |
219 |
|
|
|
220 |
|
|
nwin->_notimeout = win->_notimeout; |
221 |
|
|
nwin->_clear = win->_clear; |
222 |
|
|
nwin->_leaveok = win->_leaveok; |
223 |
|
|
nwin->_scroll = win->_scroll; |
224 |
|
|
nwin->_idlok = win->_idlok; |
225 |
|
|
nwin->_idcok = win->_idcok; |
226 |
|
|
nwin->_immed = win->_immed; |
227 |
|
|
nwin->_sync = win->_sync; |
228 |
|
|
nwin->_use_keypad = win->_use_keypad; |
229 |
|
|
nwin->_delay = win->_delay; |
230 |
|
|
|
231 |
|
|
nwin->_parx = 0; |
232 |
|
|
nwin->_pary = 0; |
233 |
|
|
nwin->_parent = (WINDOW *) 0; |
234 |
|
|
/* See above: the clone isn't a subwindow! */ |
235 |
|
|
|
236 |
|
|
nwin->_regtop = win->_regtop; |
237 |
|
|
nwin->_regbottom = win->_regbottom; |
238 |
|
|
|
239 |
|
|
if (win->_flags & _ISPAD) |
240 |
|
|
nwin->_pad = win->_pad; |
241 |
|
|
|
242 |
|
|
linesize = (win->_maxx + 1) * sizeof(NCURSES_CH_T); |
243 |
|
|
for (i = 0; i <= nwin->_maxy; i++) { |
244 |
|
|
memcpy(nwin->_line[i].text, win->_line[i].text, linesize); |
245 |
|
|
nwin->_line[i].firstchar = win->_line[i].firstchar; |
246 |
|
|
nwin->_line[i].lastchar = win->_line[i].lastchar; |
247 |
|
|
} |
248 |
|
|
} |
249 |
|
|
_nc_unlock_global(curses); |
250 |
|
|
} |
251 |
|
|
returnWin(nwin); |
252 |
|
|
} |