service-maker/includes/tiler_event_handler.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2024-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef TILER_EVENT_HANDLER_HPP
#define TILER_EVEN_HANDLER_HPP
 
#include <mutex>
#include <string>
#include <thread>
#include <vector>
 
#include "element.hpp"
 
 
namespace deepstream {
    class NvDsTilerEventHandler {
        public:
 
        NvDsTilerEventHandler (Element *tiler, Element *osd, Element *renderer) {
            this -> tiler = tiler;
            this -> osd = osd;
            this -> renderer = renderer;
        }
 
        ~NvDsTilerEventHandler () {
            stop();
        }
 
        bool start();
        bool stop();
 
 
        bool handle_mouse_events_ = true;
 
        Element *tiler, *osd, *renderer;
 
        bool create_x_window();
        void destroy_x_window();
        void x_event_handler_thread_func();
        void kb_event_handler_thread_func();
        void *display = nullptr;
        uint64_t window = 0;
        bool x_event_thread_stop = false;
        std::thread x_event_thread;
        bool kb_event_thread_stop = false;
        std::thread kb_event_thread;
        bool kb_selecting = false;
        bool kb_row_selected = false;
        unsigned int selected_row, selected_col;
        int active_source_index = -1;
        std::string active_source_uri;
        bool started = false;
        void set_active_source(int sourceid);
        std::mutex mutex;
    };
}
 
#endif