1 // * this is for making emacs happy: -*-Mode: C++;-*-
2 /****************************************************************************
3 * Copyright 2019,2020 Thomas E. Dickey *
4 * Copyright 1998-2003,2005 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: Juergen Pfeifer, 1993, 1997 *
33 ****************************************************************************/
34
35 #include "internal.h"
36 #include "cursesp.h"
37
38 MODULE_ID("$Id: cursesp.cc,v 1.27 2020/02/02 23:34:34 tom Exp $")
39
40 NCursesPanel* NCursesPanel::dummy = static_cast<NCursesPanel*>(0);
41
init()42 void NCursesPanel::init()
43 {
44 p = ::new_panel(w);
45 if (!p)
46 OnError(ERR);
47
48 UserHook* hook = new UserHook;
49 hook->m_user = NULL;
50 hook->m_back = this;
51 hook->m_owner = p;
52 ::set_panel_userptr(p, reinterpret_cast<void *>(hook));
53 }
54
~NCursesPanel()55 NCursesPanel::~NCursesPanel() THROWS(NCursesException)
56 {
57 UserHook* hook = UserPointer();
58 assert(hook != 0 && hook->m_back==this && hook->m_owner==p);
59 delete hook;
60 ::del_panel(p);
61 ::update_panels();
62 }
63
64 void
redraw()65 NCursesPanel::redraw()
66 {
67 PANEL *pan;
68
69 pan = ::panel_above(NULL);
70 while (pan) {
71 ::touchwin(panel_window(pan));
72 pan = ::panel_above(pan);
73 }
74 ::update_panels();
75 ::doupdate();
76 }
77
78 int
refresh()79 NCursesPanel::refresh()
80 {
81 ::update_panels();
82 return ::doupdate();
83 }
84
85 int
noutrefresh()86 NCursesPanel::noutrefresh()
87 {
88 ::update_panels();
89 return OK;
90 }
91
92 void
boldframe(const char * title,const char * btitle)93 NCursesPanel::boldframe(const char *title, const char* btitle)
94 {
95 standout();
96 frame(title, btitle);
97 standend();
98 }
99
100 void
frame(const char * title,const char * btitle)101 NCursesPanel::frame(const char *title,const char *btitle)
102 {
103 int err = OK;
104 if (!title && !btitle) {
105 err = box();
106 }
107 else {
108 err = box();
109 if (err==OK)
110 label(title,btitle);
111 }
112 OnError(err);
113 }
114
115 void
label(const char * tLabel,const char * bLabel)116 NCursesPanel::label(const char *tLabel, const char *bLabel)
117 {
118 if (tLabel)
119 centertext(0,tLabel);
120 if (bLabel)
121 centertext(maxy(),bLabel);
122 }
123
124 void
centertext(int row,const char * labelText)125 NCursesPanel::centertext(int row,const char *labelText)
126 {
127 if (labelText) {
128 int x = (maxx() - ::strlen(labelText)) / 2;
129 if (x<0)
130 x=0;
131 OnError(addstr(row, x, labelText, width()));
132 }
133 }
134
135 int
getKey(void)136 NCursesPanel::getKey(void)
137 {
138 return getch();
139 }
140