portapack-mayhem/firmware/application/ui/ui_textentry.hpp

/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2016 Furrtek
 *
 * This file is part of PortaPack.
 *
 * 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, 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __UI_TEXTENTRY_H__
#define __UI_TEXTENTRY_H__

#include "ui.hpp"
#include "ui_navigation.hpp"

namespace ui {

class TextEntryView : public View {
   public:
    std::function<void(std::string&)> on_changed{};

    void focus() override;
    std::string title() const override { return "Text entry"; };

    void set_cursor(uint32_t pos);

   protected:
    TextEntryView(NavigationView& nav, std::string& str, size_t max_length);

    TextEntryView(const TextEntryView&) = delete;
    TextEntryView(TextEntryView&&) = delete;
    TextEntryView& operator=(const TextEntryView&) = delete;
    TextEntryView& operator=(TextEntryView&&) = delete;

    void char_add(const char c);
    void char_delete();

    TextEdit text_input;
    Button button_ok{
        {22 * 8, 32 * 8 - 3, 8 * 8, 3 * 16 + 3},
        "OK"};
};

// Show the TextEntry view to receive keyboard input.
// NB: This function returns immediately. 'str' is taken
// by reference and its lifetime must be ensured by the
// caller until the TextEntry view is dismissed.
void text_prompt(
    NavigationView& nav,
    std::string& str,
    size_t max_length,
    std::function<void(std::string&)> on_done = nullptr);

void text_prompt(
    NavigationView& nav,
    std::string& str,
    uint32_t cursor_pos,
    size_t max_length,
    std::function<void(std::string&)> on_done = nullptr);

} /* namespace ui */

#endif /*__UI_TEXTENTRY_H__*/