mirror of
https://github.com/RGBCube/serenity
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106 lines
3.6 KiB
C++
106 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Mustafa Quraish <mustafa@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "HexDocument.h"
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#include "SearchResultsModel.h"
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#include <AK/ByteBuffer.h>
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#include <AK/Function.h>
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#include <AK/HashMap.h>
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#include <AK/NonnullOwnPtrVector.h>
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/StdLibExtras.h>
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#include <LibCore/Timer.h>
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#include <LibGUI/AbstractScrollableWidget.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/TextAlignment.h>
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class HexEditor : public GUI::AbstractScrollableWidget {
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C_OBJECT(HexEditor)
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public:
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enum EditMode {
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Hex,
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Text
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};
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virtual ~HexEditor() override;
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bool is_readonly() const { return m_readonly; }
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void set_readonly(bool);
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size_t buffer_size() const { return m_document->size(); }
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bool open_new_file(size_t size);
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void open_file(NonnullRefPtr<Core::File> file);
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void fill_selection(u8 fill_byte);
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bool save_as(NonnullRefPtr<Core::File>);
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bool save();
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void select_all();
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bool has_selection() const { return !((m_selection_end < m_selection_start) || m_document->size()); }
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size_t selection_size();
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size_t selection_start_offset() const { return m_selection_start; }
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bool copy_selected_text_to_clipboard();
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bool copy_selected_hex_to_clipboard();
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bool copy_selected_hex_to_clipboard_as_c_code();
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size_t bytes_per_row() const { return m_bytes_per_row; }
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void set_bytes_per_row(size_t);
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void set_position(size_t position);
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void highlight(size_t start, size_t end);
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Optional<size_t> find(ByteBuffer& needle, size_t start = 0);
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Optional<size_t> find_and_highlight(ByteBuffer& needle, size_t start = 0);
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Vector<Match> find_all(ByteBuffer& needle, size_t start = 0);
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Vector<Match> find_all_strings(size_t min_length = 4);
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Function<void(size_t, EditMode, size_t, size_t)> on_status_change; // position, edit mode, selection start, selection end
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Function<void()> on_change;
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protected:
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HexEditor();
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void keydown_event(GUI::KeyEvent&) override;
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private:
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bool m_readonly { false };
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size_t m_line_spacing { 4 };
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size_t m_content_length { 0 };
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size_t m_bytes_per_row { 16 };
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bool m_in_drag_select { false };
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size_t m_selection_start { 0 };
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size_t m_selection_end { 0 };
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size_t m_position { 0 };
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bool m_cursor_at_low_nibble { false };
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EditMode m_edit_mode { Hex };
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NonnullRefPtr<Core::Timer> m_blink_timer;
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bool m_cursor_blink_active { false };
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NonnullOwnPtr<HexDocument> m_document;
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static constexpr int m_address_bar_width = 90;
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static constexpr int m_padding = 5;
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void scroll_position_into_view(size_t position);
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size_t total_rows() const { return ceil_div(m_content_length, m_bytes_per_row); }
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size_t line_height() const { return font().glyph_height() + m_line_spacing; }
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size_t character_width() const { return font().glyph_width('W'); }
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size_t cell_width() const { return character_width() * 3; }
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size_t offset_margin_width() const { return 80; }
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void hex_mode_keydown_event(GUI::KeyEvent&);
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void text_mode_keydown_event(GUI::KeyEvent&);
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void set_content_length(size_t); // I might make this public if I add fetching data on demand.
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void update_status();
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void did_change();
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void reset_cursor_blink_state();
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};
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