- More documentation

source/platform/window_manager.cpp

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+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright © 2025  Medusa Slockbower
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+// =====================================================================================================================
+
+
+#include <fennec/platform/window_manager.h>
+
+#include <fennec/core/logger.h>
+#include <fennec/platform/interface/platform.h>
+#include <fennec/platform/interface/display_server.h>
+#include <fennec/platform/interface/window.h>
+
+namespace fennec {
+
+window_manager::window_manager(platform* platform)
+	: _platform(platform) {
+}
+
+window_manager::~window_manager() {
+	shutdown();
+}
+
+void window_manager::initialize() {
+	if (_display) {
+		return;
+	}
+
+	// Get the list of registered display servers
+	display_server::entrylist_t display_servers = display_server::get_type_list();
+
+	// Find first valid server
+	while (not display_servers.empty()) {
+		display_server::entry it = display_servers.front();
+		display_servers.pop();
+
+		unique_ptr<display_server> server = unique_ptr(it.ctor(_platform));
+		server->connect();
+		if (server->connected()) {
+			logger::log(format("Selected {} for the display server.", server->get_type().name()));
+			_display = move(server);
+			break;
+		}
+	}
+
+	assertf(_display, "Failed to select a display server!");
+
+	_thread = thread::current();
+
+	logger::log(format("Initializing Window Manager on thread: {:#016x}.", _thread));
+}
+
+void window_manager::shutdown() {
+	if (not _display) {
+		return;
+	}
+
+	assertf(_thread == thread::current(), "Attempted to shutdown Window Manager on a different thread!");
+
+	// Cleanup Windows
+	for (auto& window : _windows) {
+		window->shutdown();
+		window.reset();
+	}
+	_windows.clear();
+
+	// Cleanup Display Server
+	_display->disconnect();
+	_display.reset();
+}
+
+void window_manager::dispatch() {
+	assertf(_thread == thread::current(), "Attempted to dispatch Window Manager on a different thread!");
+
+	_display->dispatch();
+}
+
+} // fennec