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-rw-r--r--src/bottom_status_source.cc250
1 files changed, 250 insertions, 0 deletions
diff --git a/src/bottom_status_source.cc b/src/bottom_status_source.cc
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+++ b/src/bottom_status_source.cc
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+/**
+ * Copyright (c) 2019, 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.
+ */
+
+#include "bottom_status_source.hh"
+
+#include "base/snippet_highlighters.hh"
+#include "config.h"
+
+bottom_status_source::bottom_status_source()
+{
+ this->bss_fields[BSF_LINE_NUMBER].set_min_width(10);
+ this->bss_fields[BSF_LINE_NUMBER].set_share(1000);
+ this->bss_fields[BSF_PERCENT].set_width(6);
+ this->bss_fields[BSF_PERCENT].set_left_pad(1);
+ this->bss_fields[BSF_HITS].set_min_width(10);
+ this->bss_fields[BSF_HITS].set_share(5);
+ this->bss_fields[BSF_SEARCH_TERM].set_min_width(10);
+ this->bss_fields[BSF_SEARCH_TERM].set_share(1);
+ this->bss_fields[BSF_LOADING].set_width(13);
+ this->bss_fields[BSF_LOADING].right_justify(true);
+ this->bss_fields[BSF_HELP].set_width(14);
+ this->bss_fields[BSF_HELP].set_value("?:View Help");
+ this->bss_fields[BSF_HELP].right_justify(true);
+ this->bss_prompt.set_left_pad(1);
+ this->bss_prompt.set_min_width(35);
+ this->bss_prompt.set_share(1);
+ this->bss_error.set_left_pad(1);
+ this->bss_error.set_min_width(35);
+ this->bss_error.set_share(1);
+ this->bss_line_error.set_left_pad(1);
+ this->bss_line_error.set_min_width(35);
+ this->bss_line_error.set_share(1);
+}
+
+void
+bottom_status_source::update_line_number(listview_curses* lc)
+{
+ status_field& sf = this->bss_fields[BSF_LINE_NUMBER];
+
+ if (lc->get_inner_height() == 0) {
+ sf.set_value(" L0");
+ } else {
+ sf.set_value(" L%'d", (int) lc->get_top());
+ }
+
+ this->bss_line_error.set_value(
+ lc->map_top_row([](const attr_line_t& top_row)
+ -> nonstd::optional<std::string> {
+ const auto& sa = top_row.get_attrs();
+ auto error_wrapper = get_string_attr(sa, SA_ERROR);
+ if (error_wrapper) {
+ return error_wrapper.value().get();
+ }
+ return nonstd::nullopt;
+ }).value_or(""));
+}
+
+void
+bottom_status_source::update_search_term(textview_curses& tc)
+{
+ auto& sf = this->bss_fields[BSF_SEARCH_TERM];
+ auto search_term = tc.get_current_search();
+
+ sf.clear();
+ if (!search_term.empty()) {
+ auto search_term_al = attr_line_t(search_term);
+
+ lnav::snippets::regex_highlighter(
+ search_term_al, -1, line_range{0, (int) search_term_al.length()});
+ sf.get_value().append_quoted(search_term_al);
+ }
+
+ this->bss_paused = tc.is_paused();
+ this->update_loading(0, 0);
+}
+
+void
+bottom_status_source::update_percent(listview_curses* lc)
+{
+ status_field& sf = this->bss_fields[BSF_PERCENT];
+ vis_line_t top = lc->get_top();
+ vis_line_t bottom, height;
+ unsigned long width;
+ double percent;
+
+ lc->get_dimensions(height, width);
+
+ if (lc->get_inner_height() > 0) {
+ bottom = std::min(top + height - 1_vl, lc->get_inner_height() - 1_vl);
+ percent = (double) (bottom + 1);
+ percent /= (double) lc->get_inner_height();
+ percent *= 100.0;
+ } else {
+ percent = 0.0;
+ }
+ sf.set_value("%3d%% ", (int) percent);
+}
+
+void
+bottom_status_source::update_marks(listview_curses* lc)
+{
+ auto* tc = static_cast<textview_curses*>(lc);
+ vis_bookmarks& bm = tc->get_bookmarks();
+ status_field& sf = this->bss_fields[BSF_HITS];
+
+ if (bm.find(&textview_curses::BM_SEARCH) != bm.end()) {
+ bookmark_vector<vis_line_t>& bv = bm[&textview_curses::BM_SEARCH];
+
+ if (!bv.empty() || !tc->get_current_search().empty()) {
+ bookmark_vector<vis_line_t>::iterator lb;
+
+ lb = std::lower_bound(bv.begin(), bv.end(), tc->get_top());
+ if (lb != bv.end() && *lb == tc->get_top()) {
+ sf.set_value(" Hit %'d of %'d for ",
+ std::distance(bv.begin(), lb) + 1,
+ tc->get_match_count());
+ } else {
+ sf.set_value(" %'d hits for ", tc->get_match_count());
+ }
+ } else {
+ sf.clear();
+ }
+ } else {
+ sf.clear();
+ }
+}
+
+void
+bottom_status_source::update_hits(textview_curses* tc)
+{
+ status_field& sf = this->bss_fields[BSF_HITS];
+ role_t new_role;
+
+ if (tc->is_searching()) {
+ this->bss_hit_spinner += 1;
+ if (this->bss_hit_spinner % 2) {
+ new_role = role_t::VCR_ACTIVE_STATUS;
+ } else {
+ new_role = role_t::VCR_ACTIVE_STATUS2;
+ }
+ sf.set_cylon(true);
+ } else {
+ new_role = role_t::VCR_STATUS;
+ sf.set_cylon(false);
+ }
+ // this->bss_error.clear();
+ sf.set_role(new_role);
+ this->update_marks(tc);
+}
+
+void
+bottom_status_source::update_loading(file_off_t off, file_ssize_t total)
+{
+ auto& sf = this->bss_fields[BSF_LOADING];
+
+ require(off >= 0);
+ require(off <= total);
+
+ if (total == 0) {
+ sf.set_cylon(false);
+ sf.set_role(role_t::VCR_STATUS);
+ if (this->bss_paused) {
+ sf.set_value("\xE2\x80\x96 Paused");
+ } else {
+ sf.clear();
+ }
+ } else if (off == total) {
+ static const std::vector<std::string> DOTS = {
+ " ",
+ ". ",
+ ".. ",
+ "...",
+ ".. ",
+ ". ",
+ };
+
+ this->bss_load_percent += 1;
+ sf.set_cylon(true);
+ sf.set_role(role_t::VCR_ACTIVE_STATUS2);
+ sf.set_value(" Working%s ",
+ DOTS[this->bss_load_percent % DOTS.size()].c_str());
+ } else {
+ int pct = (int) (((double) off / (double) total) * 100.0);
+
+ if (this->bss_load_percent != pct) {
+ this->bss_load_percent = pct;
+
+ sf.set_cylon(true);
+ sf.set_role(role_t::VCR_ACTIVE_STATUS2);
+ sf.set_value(" Loading %2d%% ", pct);
+ }
+ }
+}
+
+size_t
+bottom_status_source::statusview_fields()
+{
+ size_t retval;
+
+ if (this->bss_prompt.empty() && this->bss_error.empty()
+ && this->bss_line_error.empty())
+ {
+ retval = BSF__MAX;
+ } else {
+ retval = 1;
+ }
+
+ return retval;
+}
+
+status_field&
+bottom_status_source::statusview_value_for_field(int field)
+{
+ if (!this->bss_error.empty()) {
+ return this->bss_error;
+ }
+ if (!this->bss_prompt.empty()) {
+ return this->bss_prompt;
+ }
+ if (!this->bss_line_error.empty()) {
+ return this->bss_line_error;
+ }
+ return this->get_field((field_t) field);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 16:18:25 +0000