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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 17:44:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 17:44:55 +0000
commit5068d34c08f951a7ea6257d305a1627b09a95817 (patch)
tree08213e2be853396a3b07ce15dbe222644dcd9a89 /src/term_extra.hh
parentInitial commit. (diff)
downloadlnav-5068d34c08f951a7ea6257d305a1627b09a95817.tar.xz
lnav-5068d34c08f951a7ea6257d305a1627b09a95817.zip
Adding upstream version 0.11.1.upstream/0.11.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/term_extra.hh')
-rw-r--r--src/term_extra.hh119
1 files changed, 119 insertions, 0 deletions
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+/**
+ * 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