1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/**
* Copyright (c) 2014, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @file term_extra.hh
*/
#ifndef term_extra_hh
#define term_extra_hh
#include <string>
#include <pwd.h>
#include <string.h>
#include <sys/param.h>
#include <sys/types.h>
#include <unistd.h>
#include "listview_curses.hh"
#include "log_format.hh"
#include "logfile.hh"
class term_extra {
public:
term_extra()
{
const char* term_name = getenv("TERM");
this->te_enabled
= (term_name != nullptr && strstr(term_name, "xterm") != nullptr);
if (getenv("SSH_CONNECTION") != nullptr) {
char hostname[MAXHOSTNAMELEN] = "UNKNOWN";
struct passwd* userent;
gethostname(hostname, sizeof(hostname));
this->te_prefix = hostname;
if ((userent = getpwuid(getuid())) != nullptr) {
this->te_prefix
= std::string(userent->pw_name) + "@" + this->te_prefix;
}
this->te_prefix += ":";
}
}
void update_title(listview_curses* lc)
{
static const char* xterm_title_fmt = "\033]0;%s\007";
if (!this->te_enabled) {
return;
}
if (lc->get_inner_height() > 0) {
std::vector<attr_line_t> rows(1);
lc->get_data_source()->listview_value_for_rows(
*lc, lc->get_top(), rows);
string_attrs_t& sa = rows[0].get_attrs();
auto line_attr_opt = get_string_attr(sa, logline::L_FILE);
if (line_attr_opt) {
auto lf = line_attr_opt.value().get();
const std::string& filename = lf->get_unique_path();
if (filename != this->te_last_title) {
std::string title = this->te_prefix + filename;
printf(xterm_title_fmt, title.c_str());
fflush(stdout);
this->te_last_title = filename;
}
return;
}
}
const std::string& view_title = lc->get_title();
if (view_title != this->te_last_title) {
std::string title = this->te_prefix + view_title;
printf(xterm_title_fmt, title.c_str());
fflush(stdout);
this->te_last_title = view_title;
}
}
private:
bool te_enabled;
std::string te_prefix;
std::string te_last_title;
};
#endif
|
