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