simple-cairo-plot/frontend.h at main · wuwbobo2021/simple-cairo-plot · GitHub

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// by wuwbobo2021 <https://github.com/wuwbobo2021>, <wuwbobo@outlook.com>
// Licensed under LGPL version 2.1.

#ifndef SIMPLE_CAIRO_PLOT_FRONTEND_H
#define SIMPLE_CAIRO_PLOT_FRONTEND_H

#include <simple-cairo-plot/recorder.h>

#include <gtkmm/window.h>
#include <gtkmm/filechooserdialog.h>
#include <gtkmm/button.h>

namespace SimpleCairoPlot
{

class Frontend: public sigc::trackable
{
	std::vector<VariableAccessPtr> ptrs; unsigned int buf_size;
	Recorder* rec;

	std::thread* thread_gtk = NULL;
	Glib::Dispatcher* dispatcher_gtk = NULL;

	Gtk::Window* window = NULL;
	Gtk::FileChooserDialog* file_dialog;
	Gtk::Button* button_start_stop;

	void create_window();
	void create_file_dialog();
	void app_run();

	void on_buffers_full();
	void on_button_start_stop_clicked();
	void on_button_open_clicked();
	void on_button_save_clicked();

	void close_window();

public:
	// two frontends on the same computer must have different `app_name`.
	std::string app_name = "org.simple-cairo-plot.frontend";
	std::string title = "Recorder";

	Frontend(); void init(std::vector<VariableAccessPtr>& ptrs, unsigned int buf_size);
	Frontend(std::vector<VariableAccessPtr>& ptrs, unsigned int buf_size);
	Frontend(const Frontend&) = delete;
	Frontend& operator=(const Frontend&) = delete;
	virtual ~Frontend();

#ifndef _WIN32
	void open(); //create a new thread to run the frontend
#endif
	Recorder& recorder() const; //notice: don't keep the returned reference when you need to close the frontend
	void run(); //run in current thread or join the existing frontend thread, blocks
	void close();
};

}
#endif