embedded_process.h

/**************************************************************************/
/*  embedded_process.h                                                    */
/**************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#ifndef EMBEDDED_PROCESS_H
#define EMBEDDED_PROCESS_H

#include "scene/gui/control.h"

class EmbeddedProcess : public Control {
	GDCLASS(EmbeddedProcess, Control);

	bool application_has_focus = true;
	bool embedded_process_was_focused = false;
	OS::ProcessID focused_process_id = 0;
	OS::ProcessID current_process_id = 0;
	bool embedding_grab_focus = false;
	bool embedding_completed = false;
	uint64_t start_embedding_time = 0;
	bool updated_embedded_process_queued = false;
	bool last_updated_embedded_process_focused = false;

	Window *window = nullptr;
	Timer *timer_embedding = nullptr;

	const int embedding_timeout = 45000;

	bool keep_aspect = false;
	Size2i window_size;
	Ref<StyleBox> focus_style_box;
	Point2i margin_top_left;
	Point2i margin_bottom_right;
	Rect2i last_global_rect;

	void _try_embed_process();
	void _update_embedded_process();
	void _timer_embedding_timeout();
	void _draw();
	void _check_mouse_over();
	void _check_focused_process_id();
	bool _is_embedded_process_updatable();
	Rect2i _get_global_embedded_window_rect();

protected:
	static void _bind_methods();
	void _notification(int p_what);

public:
	void embed_process(OS::ProcessID p_pid);
	void reset();

	void set_window_size(const Size2i p_window_size);
	void set_keep_aspect(bool p_keep_aspect);
	void queue_update_embedded_process();

	Rect2i get_screen_embedded_window_rect();
	int get_margin_size(Side p_side) const;
	Size2 get_margins_size();
	bool is_embedding_in_progress();
	bool is_embedding_completed();
	int get_embedded_pid() const;

	EmbeddedProcess();
	~EmbeddedProcess();
};

#endif // EMBEDDED_PROCESS_H