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1479465f GJ |
1 | /* |
2 | * dselect - Debian package maintenance user interface | |
3 | * pkginfo.cc - handles (re)draw of package list window infopad | |
4 | * | |
5 | * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk> | |
6 | * | |
7 | * This is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include <compat.h> | |
23 | ||
24 | #include <string.h> | |
25 | #include <stdio.h> | |
26 | ||
27 | #include <dpkg/i18n.h> | |
28 | #include <dpkg/dpkg.h> | |
29 | #include <dpkg/dpkg-db.h> | |
30 | #include <dpkg/string.h> | |
31 | ||
32 | #include "dselect.h" | |
33 | #include "bindings.h" | |
34 | #include "helpmsgs.h" | |
35 | ||
36 | const struct helpmenuentry *packagelist::helpmenulist() { | |
37 | static const struct helpmenuentry | |
38 | rw[]= { | |
39 | { 'i', &hlp_mainintro }, | |
40 | { 'k', &hlp_listkeys }, | |
41 | { 'l', &hlp_displayexplain1 }, | |
42 | { 'd', &hlp_displayexplain2 }, | |
43 | { 0 } | |
44 | }, | |
45 | ro[]= { | |
46 | { 'i', &hlp_readonlyintro }, | |
47 | { 'k', &hlp_listkeys }, | |
48 | { 'l', &hlp_displayexplain1 }, | |
49 | { 'd', &hlp_displayexplain2 }, | |
50 | { 0 } | |
51 | }, | |
52 | recur[]= { | |
53 | { 'i', &hlp_recurintro }, | |
54 | { 'k', &hlp_listkeys }, | |
55 | { 'l', &hlp_displayexplain1 }, | |
56 | { 'd', &hlp_displayexplain2 }, | |
57 | { 0 } | |
58 | }; | |
59 | return | |
60 | modstatdb_get_status() == msdbrw_readonly ? ro : | |
61 | !recursive ? rw : | |
62 | recur; | |
63 | } | |
64 | ||
65 | bool | |
66 | packagelist::itr_recursive() | |
67 | { | |
68 | return recursive; | |
69 | } | |
70 | ||
71 | const packagelist::infotype packagelist::infoinfos[]= { | |
72 | { &packagelist::itr_recursive, &packagelist::itd_relations }, | |
73 | { nullptr, &packagelist::itd_description }, | |
74 | { nullptr, &packagelist::itd_statuscontrol }, | |
75 | { nullptr, &packagelist::itd_availablecontrol }, | |
76 | { nullptr, nullptr } | |
77 | }; | |
78 | ||
79 | const packagelist::infotype *const packagelist::baseinfo= infoinfos; | |
80 | ||
81 | void packagelist::severalinfoblurb() | |
82 | { | |
83 | varbuf vb; | |
84 | vb(_("The line you have highlighted represents many packages; " | |
85 | "if you ask to install, remove, hold, etc. it you will affect all " | |
86 | "the packages which match the criterion shown.\n" | |
87 | "\n" | |
88 | "If you move the highlight to a line for a particular package " | |
89 | "you will see information about that package displayed here." | |
90 | "\n" | |
91 | "You can use 'o' and 'O' to change the sort order and give yourself " | |
92 | "the opportunity to mark packages in different kinds of groups.")); | |
93 | wordwrapinfo(0,vb.string()); | |
94 | } | |
95 | ||
96 | void packagelist::itd_relations() { | |
97 | whatinfovb(_("Interrelationships")); | |
98 | ||
99 | if (table[cursorline]->pkg->set->name) { | |
100 | debug(dbg_general, "packagelist[%p]::idt_relations(); '%s'", | |
101 | this, table[cursorline]->relations.string()); | |
102 | waddstr(infopad,table[cursorline]->relations.string()); | |
103 | } else { | |
104 | severalinfoblurb(); | |
105 | } | |
106 | } | |
107 | ||
108 | void packagelist::itd_description() { | |
109 | whatinfovb(_("Description")); | |
110 | ||
111 | if (table[cursorline]->pkg->set->name) { | |
112 | const char *m= table[cursorline]->pkg->available.description; | |
113 | if (str_is_unset(m)) | |
114 | m = table[cursorline]->pkg->installed.description; | |
115 | if (str_is_unset(m)) | |
116 | m = _("No description available."); | |
117 | const char *p= strchr(m,'\n'); | |
118 | int l= p ? (int)(p-m) : strlen(m); | |
119 | wattrset(infopad, part_attr[info_head]); | |
120 | waddstr(infopad, table[cursorline]->pkg->set->name); | |
121 | waddstr(infopad," - "); | |
122 | waddnstr(infopad,m,l); | |
123 | wattrset(infopad, part_attr[info_body]); | |
124 | if (p) { | |
125 | waddstr(infopad,"\n\n"); | |
126 | wordwrapinfo(1,++p); | |
127 | } | |
128 | } else { | |
129 | severalinfoblurb(); | |
130 | } | |
131 | } | |
132 | ||
133 | void packagelist::itd_statuscontrol() { | |
134 | whatinfovb(_("Installed control file information")); | |
135 | ||
136 | werase(infopad); | |
137 | if (!table[cursorline]->pkg->set->name) { | |
138 | severalinfoblurb(); | |
139 | } else { | |
140 | varbuf vb; | |
141 | varbufrecord(&vb,table[cursorline]->pkg,&table[cursorline]->pkg->installed); | |
142 | debug(dbg_general, "packagelist[%p]::idt_statuscontrol(); '%s'", | |
143 | this, vb.string()); | |
144 | waddstr(infopad,vb.string()); | |
145 | } | |
146 | } | |
147 | ||
148 | void packagelist::itd_availablecontrol() { | |
149 | whatinfovb(_("Available control file information")); | |
150 | ||
151 | werase(infopad); | |
152 | if (!table[cursorline]->pkg->set->name) { | |
153 | severalinfoblurb(); | |
154 | } else { | |
155 | varbuf vb; | |
156 | varbufrecord(&vb,table[cursorline]->pkg,&table[cursorline]->pkg->available); | |
157 | debug(dbg_general, "packagelist[%p]::idt_availablecontrol(); '%s'", | |
158 | this, vb.string()); | |
159 | waddstr(infopad,vb.string()); | |
160 | } | |
161 | } | |
162 | ||
163 | void packagelist::redrawinfo() { | |
164 | for (;;) { | |
165 | if (!currentinfo || !currentinfo->display) currentinfo= baseinfo; | |
166 | if (!currentinfo->relevant) break; | |
167 | if ((this->*currentinfo->relevant)()) break; | |
168 | currentinfo++; | |
169 | } | |
170 | if (!info_height) return; | |
171 | whatinfovb.reset(); | |
172 | werase(infopad); wmove(infopad,0,0); | |
173 | ||
174 | debug(dbg_general, "packagelist[%p]::redrawinfo(); #=%d", | |
175 | this, (int)(currentinfo - baseinfo)); | |
176 | ||
177 | (this->*currentinfo->display)(); | |
178 | ||
179 | int y,x; | |
180 | getyx(infopad, y,x); | |
181 | if (x) y++; | |
182 | infolines= y; | |
183 | ||
184 | refreshinfo(); | |
185 | } |