/* * 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 { // A TextField is bound to a string reference and allows the string // to be manipulated. The field itself does not provide the UI for // setting the value. It provides the UI of rendering the text, // a cursor, and an API to edit the string content. class TextField : public Widget { public: TextField(std::string& str, Point position, uint32_t length = 30) : TextField{str, 64, position, length} { } // Str: the string containing the content to edit. // Max_length: max length the string is allowed to use. // Position: the top-left corner of the control. // Length: the number of characters to display. // - Characters are 8 pixels wide. // - The screen can show 30 characters max. // - The control is 16 pixels tall. TextField(std::string& str, size_t max_length, Point position, uint32_t length = 30); TextField(const TextField&) = delete; TextField(TextField&&) = delete; TextField& operator=(const TextField&) = delete; TextField& operator=(TextField&&) = delete; const std::string& value() const; void set(const std::string& str); void set_cursor(uint32_t pos); void set_max_length(size_t max_length); void set_insert_mode(); void set_overwrite_mode(); void char_add(char c); void char_delete(); void paint(Painter& painter) override; bool on_key(const KeyEvent key) override; bool on_encoder(const EncoderEvent delta) override; bool on_touch(const TouchEvent event) override; protected: std::string& text_; size_t max_length_; uint32_t char_count_; uint32_t cursor_pos_; bool insert_mode_; }; class TextEntryView : public View { public: std::function on_changed { }; void focus() override; std::string title() const override { return "Text entry"; }; 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(); TextField text_input; Button button_ok { { 10 * 8, 33 * 8, 9 * 8, 32 }, "OK" }; }; void text_prompt(NavigationView& nav, std::string& str, size_t max_length, const std::function on_done = nullptr); } /* namespace ui */ #endif/*__UI_TEXTENTRY_H__*/