324 lines
11 KiB
C++
324 lines
11 KiB
C++
#include "modules/sni/item.hpp"
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#include <glibmm/main.h>
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#include <spdlog/spdlog.h>
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namespace waybar::modules::SNI {
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static const Glib::ustring SNI_INTERFACE_NAME = sn_item_interface_info()->name;
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static const unsigned UPDATE_DEBOUNCE_TIME = 10;
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Item::Item(const std::string& bn, const std::string& op, const Json::Value& config)
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: bus_name(bn),
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object_path(op),
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icon_size(16),
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effective_icon_size(0),
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icon_theme(Gtk::IconTheme::create()),
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update_pending_(false) {
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if (config["icon-size"].isUInt()) {
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icon_size = config["icon-size"].asUInt();
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}
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event_box.add(image);
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event_box.add_events(Gdk::BUTTON_PRESS_MASK);
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event_box.signal_button_press_event().connect(sigc::mem_fun(*this, &Item::handleClick));
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cancellable_ = Gio::Cancellable::create();
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auto interface = Glib::wrap(sn_item_interface_info(), true);
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Gio::DBus::Proxy::create_for_bus(Gio::DBus::BusType::BUS_TYPE_SESSION,
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bus_name,
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object_path,
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SNI_INTERFACE_NAME,
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sigc::mem_fun(*this, &Item::proxyReady),
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cancellable_,
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interface);
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}
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void Item::proxyReady(Glib::RefPtr<Gio::AsyncResult>& result) {
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try {
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this->proxy_ = Gio::DBus::Proxy::create_for_bus_finish(result);
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/* Properties are already cached during object creation */
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auto cached_properties = this->proxy_->get_cached_property_names();
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for (const auto& name : cached_properties) {
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Glib::VariantBase value;
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this->proxy_->get_cached_property(value, name);
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setProperty(name, value);
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}
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this->proxy_->signal_signal().connect(sigc::mem_fun(*this, &Item::onSignal));
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if (this->id.empty() || this->category.empty() || this->status.empty()) {
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spdlog::error("Invalid Status Notifier Item: {}, {}", bus_name, object_path);
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return;
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}
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this->updateImage();
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// this->event_box.set_tooltip_text(this->title);
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} catch (const Glib::Error& err) {
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g_error("Failed to create DBus Proxy for %s %s: %s",
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bus_name.c_str(),
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object_path.c_str(),
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err.what().c_str());
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} catch (const std::exception& err) {
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g_error("Failed to create DBus Proxy for %s %s: %s",
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bus_name.c_str(),
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object_path.c_str(),
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err.what());
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}
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}
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template <typename T>
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T get_variant(Glib::VariantBase& value) {
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return Glib::VariantBase::cast_dynamic<Glib::Variant<T>>(value).get();
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}
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void Item::setProperty(const Glib::ustring& name, Glib::VariantBase& value) {
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if (name == "Category") {
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category = get_variant<std::string>(value);
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} else if (name == "Id") {
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id = get_variant<std::string>(value);
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} else if (name == "Title") {
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title = get_variant<std::string>(value);
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} else if (name == "Status") {
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status = get_variant<std::string>(value);
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} else if (name == "WindowId") {
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window_id = get_variant<int32_t>(value);
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} else if (name == "IconName") {
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icon_name = get_variant<std::string>(value);
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} else if (name == "IconPixmap") {
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icon_pixmap = this->extractPixBuf(value.gobj());
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} else if (name == "OverlayIconName") {
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overlay_icon_name = get_variant<std::string>(value);
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} else if (name == "OverlayIconPixmap") {
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// TODO: overlay_icon_pixmap
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} else if (name == "AttentionIconName") {
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attention_icon_name = get_variant<std::string>(value);
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} else if (name == "AttentionIconPixmap") {
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// TODO: attention_icon_pixmap
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} else if (name == "AttentionMovieName") {
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attention_movie_name = get_variant<std::string>(value);
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} else if (name == "ToolTip") {
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// TODO: tooltip
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} else if (name == "IconThemePath") {
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icon_theme_path = get_variant<std::string>(value);
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if (!icon_theme_path.empty()) {
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icon_theme->set_search_path({icon_theme_path});
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}
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} else if (name == "Menu") {
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menu = get_variant<std::string>(value);
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} else if (name == "ItemIsMenu") {
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item_is_menu = get_variant<bool>(value);
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}
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}
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void Item::getUpdatedProperties() {
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update_pending_ = false;
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auto params = Glib::VariantContainerBase::create_tuple(
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{Glib::Variant<Glib::ustring>::create(SNI_INTERFACE_NAME)});
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proxy_->call("org.freedesktop.DBus.Properties.GetAll",
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sigc::mem_fun(*this, &Item::processUpdatedProperties),
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params);
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};
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void Item::processUpdatedProperties(Glib::RefPtr<Gio::AsyncResult>& _result) {
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try {
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auto result = proxy_->call_finish(_result);
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// extract "a{sv}" from VariantContainerBase
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Glib::Variant<std::map<Glib::ustring, Glib::VariantBase>> properties_variant;
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result.get_child(properties_variant);
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auto properties = properties_variant.get();
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for (const auto& [name, value] : properties) {
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Glib::VariantBase old_value;
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proxy_->get_cached_property(old_value, name);
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if (!value.equal(old_value)) {
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proxy_->set_cached_property(name, value);
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setProperty(name, const_cast<Glib::VariantBase&>(value));
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}
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}
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this->updateImage();
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// this->event_box.set_tooltip_text(this->title);
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} catch (const Glib::Error& err) {
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g_warning("Failed to update properties: %s", err.what().c_str());
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} catch (const std::exception& err) {
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g_warning("Failed to update properties: %s", err.what());
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}
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}
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void Item::onSignal(const Glib::ustring& sender_name, const Glib::ustring& signal_name,
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const Glib::VariantContainerBase& arguments) {
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if (!update_pending_ && signal_name.compare(0, 3, "New") == 0) {
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/* Debounce signals and schedule update of all properties.
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* Based on behavior of Plasma dataengine for StatusNotifierItem.
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*/
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update_pending_ = true;
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Glib::signal_timeout().connect_once(sigc::mem_fun(*this, &Item::getUpdatedProperties),
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UPDATE_DEBOUNCE_TIME);
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}
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}
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static void pixbuf_data_deleter(const guint8* data) { g_free((void*)data); }
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Glib::RefPtr<Gdk::Pixbuf> Item::extractPixBuf(GVariant* variant) {
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GVariantIter* it;
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g_variant_get(variant, "a(iiay)", &it);
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if (it == nullptr) {
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return Glib::RefPtr<Gdk::Pixbuf>{};
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}
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GVariant* val;
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gint lwidth = 0;
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gint lheight = 0;
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gint width;
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gint height;
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guchar* array = nullptr;
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while (g_variant_iter_loop(it, "(ii@ay)", &width, &height, &val)) {
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if (width > 0 && height > 0 && val != nullptr && width * height > lwidth * lheight) {
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auto size = g_variant_get_size(val);
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/* Sanity check */
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if (size == 4U * width * height) {
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/* Find the largest image */
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gconstpointer data = g_variant_get_data(val);
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if (data != nullptr) {
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if (array != nullptr) {
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g_free(array);
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}
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array = static_cast<guchar*>(g_memdup(data, size));
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lwidth = width;
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lheight = height;
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}
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}
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}
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}
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g_variant_iter_free(it);
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if (array != nullptr) {
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/* argb to rgba */
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for (uint32_t i = 0; i < 4U * lwidth * lheight; i += 4) {
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guchar alpha = array[i];
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array[i] = array[i + 1];
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array[i + 1] = array[i + 2];
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array[i + 2] = array[i + 3];
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array[i + 3] = alpha;
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}
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return Gdk::Pixbuf::create_from_data(array,
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Gdk::Colorspace::COLORSPACE_RGB,
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true,
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8,
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lwidth,
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lheight,
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4 * lwidth,
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&pixbuf_data_deleter);
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}
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return Glib::RefPtr<Gdk::Pixbuf>{};
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}
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void Item::updateImage() {
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image.set_from_icon_name("image-missing", Gtk::ICON_SIZE_MENU);
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image.set_pixel_size(icon_size);
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if (!icon_name.empty()) {
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try {
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// Try to find icons specified by path and filename
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#ifdef FILESYSTEM_EXPERIMENTAL
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if (std::experimental::filesystem::exists(icon_name)) {
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#else
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if (std::filesystem::exists(icon_name)) {
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#endif
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auto pixbuf = Gdk::Pixbuf::create_from_file(icon_name);
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if (pixbuf->gobj() != nullptr) {
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// An icon specified by path and filename may be the wrong size for
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// the tray
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pixbuf = pixbuf->scale_simple(icon_size, icon_size, Gdk::InterpType::INTERP_BILINEAR);
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image.set(pixbuf);
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}
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} else {
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image.set(getIconByName(icon_name, icon_size));
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}
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} catch (Glib::Error& e) {
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spdlog::error("Item '{}': {}", id, static_cast<std::string>(e.what()));
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}
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} else if (icon_pixmap) {
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// An icon extracted may be the wrong size for the tray
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icon_pixmap = icon_pixmap->scale_simple(icon_size, icon_size, Gdk::InterpType::INTERP_BILINEAR);
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image.set(icon_pixmap);
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}
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}
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Glib::RefPtr<Gdk::Pixbuf> Item::getIconByName(const std::string& name, int request_size) {
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int tmp_size = 0;
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icon_theme->rescan_if_needed();
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auto sizes = icon_theme->get_icon_sizes(name.c_str());
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for (auto const& size : sizes) {
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// -1 == scalable
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if (size == request_size || size == -1) {
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tmp_size = request_size;
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break;
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} else if (size < request_size) {
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tmp_size = size;
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} else if (size > tmp_size && tmp_size > 0) {
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tmp_size = request_size;
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break;
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}
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}
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if (tmp_size == 0) {
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tmp_size = request_size;
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}
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if (!icon_theme_path.empty() &&
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icon_theme->lookup_icon(
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name.c_str(), tmp_size, Gtk::IconLookupFlags::ICON_LOOKUP_FORCE_SIZE)) {
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return icon_theme->load_icon(
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name.c_str(), tmp_size, Gtk::IconLookupFlags::ICON_LOOKUP_FORCE_SIZE);
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}
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Glib::RefPtr<Gtk::IconTheme> default_theme = Gtk::IconTheme::get_default();
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default_theme->rescan_if_needed();
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return default_theme->load_icon(
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name.c_str(), tmp_size, Gtk::IconLookupFlags::ICON_LOOKUP_FORCE_SIZE);
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}
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void Item::onMenuDestroyed(Item* self, GObject* old_menu_pointer) {
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if (old_menu_pointer == reinterpret_cast<GObject*>(self->dbus_menu)) {
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self->gtk_menu = nullptr;
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self->dbus_menu = nullptr;
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}
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}
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void Item::makeMenu(GdkEventButton* const& ev) {
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if (gtk_menu == nullptr && !menu.empty()) {
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dbus_menu = dbusmenu_gtkmenu_new(bus_name.data(), menu.data());
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if (dbus_menu != nullptr) {
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g_object_ref_sink(G_OBJECT(dbus_menu));
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g_object_weak_ref(G_OBJECT(dbus_menu), (GWeakNotify)onMenuDestroyed, this);
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gtk_menu = Glib::wrap(GTK_MENU(dbus_menu));
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gtk_menu->attach_to_widget(event_box);
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}
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}
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}
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bool Item::handleClick(GdkEventButton* const& ev) {
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auto parameters = Glib::VariantContainerBase::create_tuple(
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{Glib::Variant<int>::create(ev->x), Glib::Variant<int>::create(ev->y)});
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if ((ev->button == 1 && item_is_menu) || ev->button == 3) {
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makeMenu(ev);
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if (gtk_menu != nullptr) {
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#if GTK_CHECK_VERSION(3, 22, 0)
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gtk_menu->popup_at_pointer(reinterpret_cast<GdkEvent*>(ev));
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#else
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gtk_menu->popup(ev->button, ev->time);
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#endif
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return true;
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} else {
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proxy_->call("ContextMenu", parameters);
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return true;
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}
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} else if (ev->button == 1) {
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proxy_->call("Activate", parameters);
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return true;
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} else if (ev->button == 2) {
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proxy_->call("SecondaryActivate", parameters);
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return true;
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}
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return false;
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}
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} // namespace waybar::modules::SNI
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