add tray icons

2025-12-10 00:25:49 +01:00
parent d53dfa27f1
commit 7bd4c72763
9 changed files with 1268 additions and 9 deletions
--- a/src/widgets/tray.cpp
+++ b/src/widgets/tray.cpp
@@ -0,0 +1,174 @@
+#include "widgets/tray.hpp"
+
+#include <utility>
+
+TrayIconWidget::TrayIconWidget(TrayService &service, std::string id)
+    : m_service(service), m_id(std::move(id)), m_container(Gtk::Orientation::HORIZONTAL)
+{
+    set_has_frame(false);
+    set_focusable(false);
+    set_valign(Gtk::Align::CENTER);
+    set_halign(Gtk::Align::CENTER);
+    add_css_class("tray-icon");
+
+    m_picture.set_halign(Gtk::Align::CENTER);
+    m_picture.set_valign(Gtk::Align::CENTER);
+    m_picture.set_content_fit(Gtk::ContentFit::CONTAIN);
+    m_picture.set_can_shrink(true);
+    m_picture.set_size_request(20, 20);
+
+    m_image.set_pixel_size(20);
+    m_image.set_halign(Gtk::Align::CENTER);
+    m_image.set_valign(Gtk::Align::CENTER);
+
+    m_container.set_spacing(0);
+    m_container.set_halign(Gtk::Align::CENTER);
+    m_container.set_valign(Gtk::Align::CENTER);
+    m_container.append(m_picture);
+    m_container.append(m_image);
+
+    m_picture.set_visible(false);
+    m_image.set_visible(true);
+    set_child(m_container);
+
+    signal_clicked().connect(sigc::mem_fun(*this, &TrayIconWidget::on_primary_clicked));
+
+    m_secondaryGesture = Gtk::GestureClick::create();
+    m_secondaryGesture->set_button(GDK_BUTTON_SECONDARY);
+    m_secondaryGesture->signal_released().connect(sigc::mem_fun(*this, &TrayIconWidget::on_secondary_released));
+    add_controller(m_secondaryGesture);
+}
+
+void TrayIconWidget::update(const TrayService::Item &item)
+{
+    if (item.iconPaintable)
+    {
+        m_picture.set_paintable(item.iconPaintable);
+        m_picture.set_visible(true);
+        m_image.set_visible(false);
+    }
+    else if (!item.iconName.empty())
+    {
+        m_image.set_from_icon_name(item.iconName);
+        m_image.set_pixel_size(20);
+        m_image.set_visible(true);
+        m_picture.set_visible(false);
+    }
+    else
+    {
+        m_picture.set_paintable({});
+        m_image.set_visible(false);
+        m_picture.set_visible(false);
+    }
+
+    if (!item.title.empty())
+    {
+        set_tooltip_text(item.title);
+    }
+    else
+    {
+        set_tooltip_text("");
+    }
+
+    set_sensitive(item.status != "Passive");
+}
+
+void TrayIconWidget::on_primary_clicked()
+{
+    m_service.activate(m_id, 0, 0);
+}
+
+void TrayIconWidget::on_secondary_released(int /*n_press*/, double /*x*/, double /*y*/)
+{
+    m_service.contextMenu(m_id, 0, 0);
+}
+
+TrayWidget::TrayWidget(TrayService &service)
+    : Gtk::Box(Gtk::Orientation::HORIZONTAL), m_service(service)
+{
+    set_spacing(6);
+    set_valign(Gtk::Align::CENTER);
+    set_halign(Gtk::Align::CENTER);
+    set_visible(false);
+
+    m_addConnection = m_service.signal_item_added().connect(sigc::mem_fun(*this, &TrayWidget::on_item_added));
+    m_removeConnection = m_service.signal_item_removed().connect(sigc::mem_fun(*this, &TrayWidget::on_item_removed));
+    m_updateConnection = m_service.signal_item_updated().connect(sigc::mem_fun(*this, &TrayWidget::on_item_updated));
+
+    rebuild_existing();
+}
+
+TrayWidget::~TrayWidget()
+{
+    if (m_addConnection.connected())
+    {
+        m_addConnection.disconnect();
+    }
+    if (m_removeConnection.connected())
+    {
+        m_removeConnection.disconnect();
+    }
+    if (m_updateConnection.connected())
+    {
+        m_updateConnection.disconnect();
+    }
+}
+
+void TrayWidget::rebuild_existing()
+{
+    auto items = m_service.snapshotItems();
+    for (const auto &item : items)
+    {
+        on_item_added(item);
+    }
+
+    set_visible(!m_icons.empty());
+}
+
+void TrayWidget::on_item_added(const TrayService::Item &item)
+{
+    auto it = m_icons.find(item.id);
+    if (it != m_icons.end())
+    {
+        it->second->update(item);
+        return;
+    }
+
+    auto icon = std::make_unique<TrayIconWidget>(m_service, item.id);
+    icon->update(item);
+    auto *raw = icon.get();
+    append(*raw);
+    m_icons.emplace(item.id, std::move(icon));
+
+    set_visible(true);
+}
+
+void TrayWidget::on_item_removed(const std::string &id)
+{
+    auto it = m_icons.find(id);
+    if (it == m_icons.end())
+    {
+        return;
+    }
+
+    remove(*it->second);
+    it->second->unparent();
+    m_icons.erase(it);
+
+    if (m_icons.empty())
+    {
+        set_visible(false);
+    }
+}
+
+void TrayWidget::on_item_updated(const TrayService::Item &item)
+{
+    auto it = m_icons.find(item.id);
+    if (it == m_icons.end())
+    {
+        on_item_added(item);
+        return;
+    }
+
+    it->second->update(item);
+}