mirror of https://github.com/polybar/polybar.git
157 lines
5.3 KiB
C++
157 lines
5.3 KiB
C++
#include "modules/menu.hpp"
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#include "drawtypes/label.hpp"
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#include "events/signal.hpp"
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#include "modules/meta/base.inl"
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#include "utils/actions.hpp"
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#include "utils/scope.hpp"
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POLYBAR_NS
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namespace modules {
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template class module<menu_module>;
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menu_module::menu_module(const bar_settings& bar, string name_) : static_module<menu_module>(bar, move(name_)) {
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m_expand_right = m_conf.get(name(), "expand-right", m_expand_right);
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m_router->register_action_with_data(EVENT_OPEN, [this](const std::string& data) { action_open(data); });
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m_router->register_action(EVENT_CLOSE, [this]() { action_close(); });
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m_router->register_action_with_data(EVENT_EXEC, [this](const std::string& data) { action_exec(data); });
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string default_format;
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if (m_expand_right) {
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default_format += TAG_LABEL_TOGGLE;
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default_format += TAG_MENU;
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} else {
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default_format += TAG_MENU;
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default_format += TAG_LABEL_TOGGLE;
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}
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m_formatter->add(DEFAULT_FORMAT, default_format, {TAG_LABEL_TOGGLE, TAG_MENU});
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if (m_formatter->has(TAG_LABEL_TOGGLE)) {
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m_labelopen = load_label(m_conf, name(), "label-open");
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m_labelclose = load_optional_label(m_conf, name(), "label-close", "x");
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}
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m_labelseparator = load_optional_label(m_conf, name(), "label-separator", "");
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if (!m_formatter->has(TAG_MENU)) {
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return;
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}
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while (true) {
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string level_param{"menu-" + to_string(m_levels.size())};
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if (m_conf.get(name(), level_param + "-0", ""s).empty()) {
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break;
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}
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m_log.trace("%s: Creating menu level %i", name(), m_levels.size());
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m_levels.emplace_back(std::make_unique<menu_tree>());
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while (true) {
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string item_param{level_param + "-" + to_string(m_levels.back()->items.size())};
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if (m_conf.get(name(), item_param, ""s).empty()) {
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break;
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}
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m_log.trace("%s: Creating menu level item %i", name(), m_levels.back()->items.size());
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auto item = std::make_unique<menu_tree_item>();
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item->label = load_label(m_conf, name(), item_param);
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item->exec = m_conf.get(name(), item_param + "-exec", actions_util::get_action_string(*this, EVENT_CLOSE, ""));
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m_levels.back()->items.emplace_back(move(item));
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}
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}
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}
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bool menu_module::build(builder* builder, const string& tag) const {
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if (tag == TAG_LABEL_TOGGLE && m_level == -1) {
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builder->action(mousebtn::LEFT, *this, string(EVENT_OPEN), "0", m_labelopen);
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} else if (tag == TAG_LABEL_TOGGLE && m_level > -1) {
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builder->action(mousebtn::LEFT, *this, EVENT_CLOSE, "", m_labelclose);
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} else if (tag == TAG_MENU && m_level > -1) {
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auto spacing = m_formatter->get(get_format())->spacing;
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// Insert separator after menu-toggle and before menu-items for expand-right=true
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if (m_expand_right && *m_labelseparator) {
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builder->node(m_labelseparator);
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builder->spacing(spacing);
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}
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auto&& items = m_levels[m_level]->items;
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for (size_t i = 0; i < items.size(); i++) {
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auto&& item = items[i];
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builder->action(
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mousebtn::LEFT, *this, string(EVENT_EXEC), to_string(m_level) + "-" + to_string(i), item->label);
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if (item != m_levels[m_level]->items.back()) {
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builder->spacing(spacing);
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if (*m_labelseparator) {
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builder->node(m_labelseparator);
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builder->spacing(spacing);
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}
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// Insert separator after last menu-item and before menu-toggle for expand-right=false
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} else if (!m_expand_right && *m_labelseparator) {
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builder->spacing(spacing);
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builder->node(m_labelseparator);
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}
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}
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} else {
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return false;
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}
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return true;
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}
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void menu_module::action_open(const string& data) {
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string level = data.empty() ? "0" : data;
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int level_num = m_level = std::strtol(level.c_str(), nullptr, 10);
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m_log.info("%s: Opening menu level '%i'", name(), static_cast<int>(level_num));
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if (static_cast<size_t>(level_num) >= m_levels.size()) {
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m_log.warn("%s: Cannot open unexisting menu level '%s'", name(), level);
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m_level = -1;
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} else {
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m_level = level_num;
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}
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broadcast();
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}
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void menu_module::action_close() {
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m_log.info("%s: Closing menu tree", name());
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if (m_level != -1) {
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m_level = -1;
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broadcast();
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}
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}
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void menu_module::action_exec(const string& element) {
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auto sep = element.find("-");
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if (sep == element.npos) {
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m_log.err("%s: Malformed data for exec action (data: '%s')", name(), element);
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}
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auto level = std::strtoul(element.substr(0, sep).c_str(), nullptr, 10);
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auto item = std::strtoul(element.substr(sep + 1).c_str(), nullptr, 10);
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if (level >= m_levels.size() || item >= m_levels[level]->items.size()) {
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m_log.err("%s: menu-exec-%d-%d doesn't exist (data: '%s')", name(), level, item, element);
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}
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string exec = m_levels[level]->items[item]->exec;
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// Send exec action to be executed
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m_sig.emit(signals::ipc::action{std::move(exec)});
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/*
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* Only close the menu if the executed action is visible in the menu
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* This stops the menu from closing, if the exec action comes from an
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* external source
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*/
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if (m_level == (int)level) {
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m_level = -1;
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broadcast();
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}
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}
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} // namespace modules
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POLYBAR_NS_END
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