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+/**
+ * Copyright (c) 2007-2012, 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 statusview_curses.cc
+ */
+
+#include <algorithm>
+#include <vector>
+
+#include "statusview_curses.hh"
+
+#include "base/ansi_scrubber.hh"
+#include "config.h"
+
+void
+status_field::set_value(std::string value)
+{
+ auto& sa = this->sf_value.get_attrs();
+
+ sa.clear();
+
+ scrub_ansi_string(value, &sa);
+ this->sf_value.with_string(value);
+}
+
+void
+status_field::do_cylon()
+{
+ auto& sa = this->sf_value.get_attrs();
+
+ remove_string_attr(sa, &VC_STYLE);
+
+ auto cycle_pos = (this->sf_cylon_pos % (4 + this->sf_width * 2)) - 2;
+ auto start = cycle_pos < this->sf_width
+ ? cycle_pos
+ : (this->sf_width - (cycle_pos - this->sf_width) - 1);
+ auto stop = std::min(start + 3, this->sf_width);
+ struct line_range lr(std::max<long>(start, 0L), stop);
+ auto& vc = view_colors::singleton();
+
+ auto attrs = vc.attrs_for_role(role_t::VCR_ACTIVE_STATUS);
+ attrs.ta_attrs |= A_REVERSE;
+ sa.emplace_back(lr, VC_STYLE.value(attrs));
+
+ this->sf_cylon_pos += 1;
+}
+
+void
+status_field::set_stitch_value(role_t left, role_t right)
+{
+ auto& sa = this->sf_value.get_attrs();
+ struct line_range lr(0, 1);
+
+ this->sf_value.get_string() = "::";
+ sa.clear();
+ sa.emplace_back(lr, VC_ROLE.value(left));
+ lr.lr_start = 1;
+ lr.lr_end = 2;
+ sa.emplace_back(lr, VC_ROLE.value(right));
+}
+
+void
+statusview_curses::do_update()
+{
+ int top, field, field_count, left = 0, right;
+ auto& vc = view_colors::singleton();
+ unsigned long width, height;
+
+ if (!this->vc_visible || this->sc_window == nullptr) {
+ return;
+ }
+
+ getmaxyx(this->sc_window, height, width);
+ this->window_change();
+
+ top = this->sc_top < 0 ? height + this->sc_top : this->sc_top;
+ right = width;
+ auto attrs = vc.attrs_for_role(
+ this->sc_enabled ? this->sc_default_role : role_t::VCR_INACTIVE_STATUS);
+
+ auto pair = vc.ensure_color_pair(attrs.ta_fg_color, attrs.ta_bg_color);
+ wattr_set(this->sc_window, attrs.ta_attrs, pair, nullptr);
+ wmove(this->sc_window, top, 0);
+ wclrtoeol(this->sc_window);
+ whline(this->sc_window, ' ', width);
+
+ if (this->sc_source != nullptr) {
+ field_count = this->sc_source->statusview_fields();
+ for (field = 0; field < field_count; field++) {
+ auto& sf = this->sc_source->statusview_value_for_field(field);
+ struct line_range lr(0, sf.get_width());
+ int x;
+
+ if (sf.is_cylon()) {
+ sf.do_cylon();
+ }
+ auto val = sf.get_value();
+ if (!this->sc_enabled) {
+ for (auto& sa : val.get_attrs()) {
+ if (sa.sa_type == &VC_STYLE) {
+ auto sa_attrs = sa.sa_value.get<text_attrs>();
+ sa_attrs.ta_attrs &= ~(A_REVERSE | A_COLOR);
+ sa_attrs.ta_fg_color = nonstd::nullopt;
+ sa_attrs.ta_bg_color = nonstd::nullopt;
+ sa.sa_value = sa_attrs;
+ } else if (sa.sa_type == &VC_ROLE) {
+ if (sa.sa_value.get<role_t>()
+ == role_t::VCR_ALERT_STATUS)
+ {
+ sa.sa_value.get<role_t>()
+ = role_t::VCR_INACTIVE_ALERT_STATUS;
+ } else {
+ sa.sa_value = role_t::VCR_NONE;
+ }
+ }
+ }
+ }
+ if (sf.get_left_pad() > 0) {
+ val.insert(0, sf.get_left_pad(), ' ');
+ }
+
+ if (sf.is_right_justified()) {
+ val.right_justify(sf.get_width());
+
+ right -= sf.get_width();
+ x = right;
+ } else {
+ x = left;
+ left += sf.get_width();
+ }
+
+ if (val.length() > sf.get_width()) {
+ static const std::string ELLIPSIS = "\xE2\x8B\xAF";
+
+ if (sf.get_width() > 11) {
+ size_t half_width = sf.get_width() / 2 - 1;
+
+ val.erase(half_width, val.length() - (half_width * 2));
+ val.insert(half_width, ELLIPSIS);
+ } else {
+ val = val.subline(0, sf.get_width() - 1);
+ val.append(ELLIPSIS);
+ }
+ }
+
+ auto default_role = sf.get_role();
+ if (!this->sc_enabled) {
+ if (default_role == role_t::VCR_ALERT_STATUS) {
+ default_role = role_t::VCR_INACTIVE_ALERT_STATUS;
+ } else if (default_role != role_t::VCR_STATUS_INFO) {
+ default_role = role_t::VCR_INACTIVE_STATUS;
+ }
+ }
+
+ mvwattrline(this->sc_window, top, x, val, lr, default_role);
+ }
+ }
+ wmove(this->sc_window, top + 1, 0);
+}
+
+void
+statusview_curses::window_change()
+{
+ if (this->sc_source == nullptr) {
+ return;
+ }
+
+ int field_count = this->sc_source->statusview_fields();
+ int total_shares = 0;
+ unsigned long width, height;
+ double remaining = 0;
+ std::vector<status_field*> resizable;
+
+ getmaxyx(this->sc_window, height, width);
+ // Silence the compiler. Remove this if height is used at a later stage.
+ (void) height;
+ remaining = width - 2;
+
+ for (int field = 0; field < field_count; field++) {
+ auto& sf = this->sc_source->statusview_value_for_field(field);
+
+ remaining -= sf.get_share() ? sf.get_min_width() : sf.get_width();
+ total_shares += sf.get_share();
+ if (sf.get_share()) {
+ resizable.emplace_back(&sf);
+ }
+ }
+
+ if (remaining < 2) {
+ remaining = 0;
+ }
+
+ std::stable_sort(begin(resizable), end(resizable), [](auto l, auto r) {
+ return r->get_share() < l->get_share();
+ });
+ for (auto* sf : resizable) {
+ double divisor = total_shares / sf->get_share();
+ int available = remaining / divisor;
+ int actual_width;
+
+ if ((sf->get_left_pad() + sf->get_value().length())
+ < (sf->get_min_width() + available))
+ {
+ actual_width = std::max(
+ (int) sf->get_min_width(),
+ (int) (sf->get_left_pad() + sf->get_value().length()));
+ } else {
+ actual_width = sf->get_min_width() + available;
+ }
+ remaining -= (actual_width - sf->get_min_width());
+ total_shares -= sf->get_share();
+
+ sf->set_width(actual_width);
+ }
+}