File: TextPage.hxx

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ncmpc 0.33-2
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/* ncmpc (Ncurses MPD Client)
 * (c) 2004-2018 The Music Player Daemon Project
 * Project homepage: http://musicpd.org
 *
 * 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 2 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef TEXT_PAGE_HXX
#define TEXT_PAGE_HXX

#include "ListPage.hxx"
#include "ListText.hxx"

#include <vector>
#include <string>

struct mpdclient;
class ScreenManager;

class TextPage : public ListPage, ListText {
protected:
	ScreenManager &screen;

	/**
	 * Strings are UTF-8.
	 */
	std::vector<std::string> lines;

public:
	TextPage(ScreenManager &_screen,
		 WINDOW *w, Size size) noexcept
		:ListPage(w, size), screen(_screen) {
		lw.hide_cursor = true;
	}

protected:
	bool IsEmpty() const noexcept {
		return lines.empty();
	}

	void Clear() noexcept;

	/**
	 * @param str a UTF-8 string
	 */
	void Append(const char *str) noexcept;

	/**
	 * @param str a UTF-8 string
	 */
	void Set(const char *str) noexcept {
		Clear();
		Append(str);
	}

	/**
	 * Repaint and update the screen.
	 */
	void Repaint() noexcept {
		Paint();
		wrefresh(lw.w);
	}

public:
	/* virtual methods from class Page */
	void Paint() const noexcept override;
	bool OnCommand(struct mpdclient &c, Command cmd) override;

private:
	/* virtual methods from class ListText */
	const char *GetListItemText(char *buffer, size_t size,
				    unsigned i) const noexcept override;
};

#endif