ladybird/Userland/Libraries/LibGUI/TextBox.h
2021-01-12 12:17:46 +01:00

60 lines
2.2 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <LibGUI/TextEditor.h>
namespace GUI {
class TextBox : public TextEditor {
C_OBJECT(TextBox)
public:
TextBox();
virtual ~TextBox() override;
Function<void()> on_up_pressed;
Function<void()> on_down_pressed;
void set_history_enabled(bool enabled) { m_history_enabled = enabled; }
void add_current_text_to_history();
private:
virtual void keydown_event(GUI::KeyEvent&) override;
bool has_no_history() const { return !m_history_enabled || m_history.is_empty(); }
bool can_go_backwards_in_history() const { return m_history_index > 0; }
bool can_go_forwards_in_history() const { return m_history_index < static_cast<int>(m_history.size()) - 1; }
void add_input_to_history(String);
bool m_history_enabled { false };
Vector<String> m_history;
int m_history_index { -1 };
String m_saved_input;
};
}