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1479465f GJ |
1 | /* |
2 | * dselect - Debian package maintenance user interface | |
3 | * bindings.cc - keybinding manager object definitions and default bindings | |
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 | ||
31 | #include "dselect.h" | |
32 | #include "bindings.h" | |
33 | ||
34 | keybindings::keybindings(const interpretation *ints, const orgbinding *orgbindings) { | |
35 | interps= ints; | |
36 | bindings = nullptr; | |
37 | const orgbinding *b= orgbindings; | |
38 | while (b->action) { bind(b->key,b->action); b++; } | |
39 | describestart(); | |
40 | } | |
41 | ||
42 | bool | |
43 | keybindings::bind(int key, const char *action) | |
44 | { | |
45 | if (key == -1) | |
46 | return false; | |
47 | ||
48 | const interpretation *interp = interps; | |
49 | while (interp->action && strcmp(interp->action, action)) | |
50 | interp++; | |
51 | if (!interp->action) | |
52 | return false; | |
53 | ||
54 | const description *desc = descriptions; | |
55 | while (desc->action && strcmp(desc->action, action)) | |
56 | desc++; | |
57 | ||
58 | binding *b = bindings; | |
59 | while (b && b->key != key) | |
60 | b = b->next; | |
61 | ||
62 | if (!b) { | |
63 | b = new binding; | |
64 | b->key = key; | |
65 | b->next = bindings; | |
66 | bindings = b; | |
67 | } | |
68 | b->interp = interp; | |
69 | b->desc = desc->desc; | |
70 | ||
71 | return true; | |
72 | } | |
73 | ||
74 | const char *keybindings::find(const char *action) { | |
75 | binding *b = bindings; | |
76 | while (b && strcmp(action, b->interp->action)) | |
77 | b = b->next; | |
78 | if (!b) return _("[not bound]"); | |
79 | const char *n= key2name(b->key); | |
80 | if (n) return n; | |
81 | static char buf[50]; | |
82 | sprintf(buf,_("[unk: %d]"),b->key); | |
83 | return buf; | |
84 | } | |
85 | ||
86 | const keybindings::interpretation *keybindings::operator()(int key) { | |
87 | binding *b = bindings; | |
88 | while (b && b->key != key) | |
89 | b = b->next; | |
90 | if (!b) | |
91 | return nullptr; | |
92 | return b->interp; | |
93 | } | |
94 | ||
95 | const char **keybindings::describenext() { | |
96 | binding *search; | |
97 | int count; | |
98 | for (;;) { | |
99 | if (!iterate->action) | |
100 | return nullptr; | |
101 | for (count=0, search=bindings; search; search=search->next) | |
102 | if (strcmp(search->interp->action, iterate->action) == 0) | |
103 | count++; | |
104 | if (count) break; | |
105 | iterate++; | |
106 | } | |
107 | const char **retarray= new const char *[count+2]; | |
108 | retarray[0]= iterate->desc; | |
109 | for (count=1, search=bindings; search; search=search->next) | |
110 | if (strcmp(search->interp->action, iterate->action) == 0) | |
111 | retarray[count++]= key2name(search->key); | |
112 | retarray[count] = nullptr; | |
113 | iterate++; | |
114 | return retarray; | |
115 | } | |
116 | ||
117 | const char *keybindings::key2name(int key) { | |
118 | const keyname *search = keynames; | |
119 | while (search->key != -1 && search->key != key) | |
120 | search++; | |
121 | return search->kname; | |
122 | } | |
123 | ||
124 | int keybindings::name2key(const char *name) { | |
125 | const keyname *search = keynames; | |
126 | while (search->kname && strcasecmp(search->kname, name)) | |
127 | search++; | |
128 | return search->key; | |
129 | } | |
130 | ||
131 | keybindings::~keybindings() { | |
132 | binding *search, *next; | |
133 | for (search=bindings; search; search=next) { | |
134 | next= search->next; | |
135 | delete search; | |
136 | } | |
137 | } | |
138 | ||
139 | const keybindings::description keybindings::descriptions[]= { | |
140 | // Actions which apply to both types of list. | |
141 | { "iscrollon", N_("Scroll onwards through help/information") }, | |
142 | { "iscrollback", N_("Scroll backwards through help/information") }, | |
143 | { "up", N_("Move up") }, | |
144 | { "down", N_("Move down") }, | |
145 | { "top", N_("Go to top of list") }, | |
146 | { "bottom", N_("Go to end of list") }, | |
147 | { "help", N_("Request help (cycle through help screens)") }, | |
148 | { "info", N_("Cycle through information displays") }, | |
149 | { "redraw", N_("Redraw display") }, | |
150 | { "scrollon1", N_("Scroll onwards through list by 1 line") }, | |
151 | { "scrollback1", N_("Scroll backwards through list by 1 line") }, | |
152 | { "iscrollon1", N_("Scroll onwards through help/information by 1 line") }, | |
153 | { "iscrollback1", N_("Scroll backwards through help/information by 1 line") }, | |
154 | { "scrollon", N_("Scroll onwards through list") }, | |
155 | { "scrollback", N_("Scroll backwards through list") }, | |
156 | ||
157 | // Actions which apply only to lists of packages. | |
158 | { "install", N_("Mark package(s) for installation") }, | |
159 | { "remove", N_("Mark package(s) for deinstallation") }, | |
160 | { "purge", N_("Mark package(s) for deinstall and purge") }, | |
161 | { "morespecific", N_("Make highlight more specific") }, | |
162 | { "lessspecific", N_("Make highlight less specific") }, | |
163 | { "search", N_("Search for a package whose name contains a string") }, | |
164 | { "searchagain", N_("Repeat last search") }, | |
165 | { "swaporder", N_("Swap sort order priority/section") }, | |
166 | { "quitcheck", N_("Quit, confirming, and checking dependencies") }, | |
167 | { "quitnocheck", N_("Quit, confirming without check") }, | |
168 | { "quitrejectsug", N_("Quit, rejecting conflict/dependency suggestions") }, | |
169 | { "abortnocheck", N_("Abort - quit without making changes") }, | |
170 | { "revert", N_("Revert to old state for all packages") }, | |
171 | { "revertsuggest", N_("Revert to suggested state for all packages") }, | |
172 | { "revertdirect", N_("Revert to directly requested state for all packages") }, | |
173 | { "revertinstalled", N_("Revert to currently installed state for all packages") }, | |
174 | ||
175 | // Actions which apply only to lists of methods. | |
176 | { "select-and-quit", N_("Select currently-highlighted access method") }, | |
177 | { "abort", N_("Quit without changing selected access method") }, | |
178 | { nullptr, nullptr } | |
179 | }; |