Add ResourceTable class

Base class to be used to display items in a table

lib/utils/resource-table-hotkey-handler.cpp

@@ -0,0 +1,70 @@
+#include "resource-table-hotkey-handler.hpp"
+
+#include <QKeyEvent>
+#include <QWidget>
+#include <unordered_map>
+
+namespace advss {
+
+void RegisterHotkeyFunction(QWidget *widget, Qt::Key key,
+			    std::function<void()> func)
+{
+	ResourceTabHotkeyHandler::Instance()->RegisterHandler(widget, key,
+							      func);
+}
+
+void DeregisterHotkeyFunctions(QWidget *widget)
+{
+	ResourceTabHotkeyHandler::Instance()->Deregister(widget);
+}
+
+ResourceTabHotkeyHandler *ResourceTabHotkeyHandler::Instance()
+{
+	static ResourceTabHotkeyHandler handler;
+	return &handler;
+}
+
+void ResourceTabHotkeyHandler::RegisterHandler(QWidget *widget, Qt::Key key,
+					       std::function<void()> func)
+{
+	std::lock_guard<std::mutex> lock(_mutex);
+	_callbacks.emplace(widget, CallbackData{key, func});
+	widget->installEventFilter(this);
+}
+
+void ResourceTabHotkeyHandler::Deregister(QWidget *widget)
+{
+	std::lock_guard<std::mutex> lock(_mutex);
+	_callbacks.erase(widget);
+}
+
+bool ResourceTabHotkeyHandler::eventFilter(QObject *obj, QEvent *event)
+{
+	if (event->type() != QEvent::KeyPress) {
+		return QObject::eventFilter(obj, event);
+	}
+	QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+	auto pressedKey = keyEvent->key();
+
+	std::lock_guard<std::mutex> lock(_mutex);
+	auto it = _callbacks.find(obj);
+	if (it == _callbacks.end()) {
+		return QObject::eventFilter(obj, event);
+	}
+
+	auto current = it;
+	while (current != _callbacks.end() && current->first == it->first) {
+		auto &[_, cbData] = *current;
+		if (pressedKey != cbData.key) {
+			++current;
+			continue;
+		}
+		cbData.func();
+		++current;
+		continue;
+	}
+
+	return QObject::eventFilter(obj, event);
+}
+
+} // namespace advss