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/*
    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>

    This file is part of DCP-o-matic.

    DCP-o-matic 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 2 of the License, or
    (at your option) any later version.

    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.

*/


#include "lib/job.h"
#include "content_sub_panel.h"
#include "wx_ptr.h"


class CheckBox;
class Choice;
class wxSpinCtrl;
class LanguageTagWidget;
class TextView;
class FontsDialog;
class SpinCtrl;
class SubtitleAnalysis;


class TextPanel : public ContentSubPanel
{
public:
	TextPanel (ContentPanel *, TextType t);

	void create () override;
	void film_changed(FilmProperty) override;
	void film_content_changed (int) override;
	void content_selection_changed () override;

private:
	void use_toggled ();
	void type_changed ();
	void burn_toggled ();
	void x_offset_changed ();
	void y_offset_changed ();
	void x_scale_changed ();
	void y_scale_changed ();
	void link_clicked();
	void line_spacing_changed ();
	void dcp_track_changed ();
	void stream_changed ();
	void text_view_clicked ();
	void fonts_dialog_clicked ();
	void appearance_dialog_clicked ();
	void outline_subtitles_changed ();
	TextType current_type () const;
	void update_dcp_tracks ();
	void update_dcp_track_selection ();
	void add_to_grid () override;
	void try_to_load_analysis ();
	void analysis_finished(Job::Result result);
	void language_changed ();
	void language_is_additional_changed ();

	void setup_sensitivity ();
	void setup_visibility ();

	void update_outline_subtitles_in_viewer ();
	void clear_outline_subtitles ();

	CheckBox* _outline_subtitles = nullptr;
	CheckBox* _use;
	Choice* _type;
	CheckBox* _burn;
	wxStaticText* _offset_label;
	wxStaticText* _x_offset_label;
	wxStaticText* _x_offset_pc_label;
	wxStaticText* _y_offset_label;
	wxStaticText* _y_offset_pc_label;
	SpinCtrl* _x_offset;
	SpinCtrl* _y_offset;
	wxStaticText* _scale_label;
	wxStaticText* _x_scale_label;
	wxStaticText* _x_scale_pc_label;
	wxStaticText* _y_scale_label;
	wxStaticText* _y_scale_pc_label;
	wxSpinCtrl* _x_scale;
	wxSpinCtrl* _y_scale;
	wxToggleButton* _link;
	wxStaticText* _line_spacing_label;
	wxStaticText* _line_spacing_pc_label;
	SpinCtrl* _line_spacing;
	wxStaticText* _dcp_track_label = nullptr;
	wxChoice* _dcp_track = nullptr;
	wxStaticText* _stream_label;
	wxChoice* _stream;
	wxButton* _text_view_button;
	wx_ptr<TextView> _text_view;
	wxButton* _fonts_dialog_button;
	wx_ptr<FontsDialog> _fonts_dialog;
	wxButton* _appearance_dialog_button;
	TextType _original_type;
	wxStaticText* _language_label = nullptr;
	LanguageTagWidget* _language = nullptr;
	wxSizer* _language_sizer = nullptr;
	wxChoice* _language_type = nullptr;

	int _outline_subtitles_row;
	int _ccap_track_or_language_row;

	bool _x_changed_last = false;

	std::weak_ptr<Content> _analysis_content;
	boost::signals2::scoped_connection _analysis_finished_connection;
	std::shared_ptr<SubtitleAnalysis> _analysis;
	bool _loading_analysis = false;
};