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HexEditor: Initial application release
The very first release of the Hex Editor for Serenity.
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77
Applications/HexEditor/HexEditor.h
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77
Applications/HexEditor/HexEditor.h
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#pragma once
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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 <LibDraw/TextAlignment.h>
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#include <LibGUI/GScrollableWidget.h>
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class HexEditor : public GScrollableWidget {
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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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void set_buffer(const ByteBuffer&);
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bool write_to_file(const StringView& path);
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bool copy_selected_text_to_clipboard();
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bool copy_selected_hex_to_clipboard();
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int bytes_per_row() const { return m_bytes_per_row; }
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void set_bytes_per_row(int);
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void set_position(int position);
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Function<void(int, EditMode, int, int)> 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(GWidget* parent);
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virtual void paint_event(GPaintEvent&) override;
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virtual void mousedown_event(GMouseEvent&) override;
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virtual void mouseup_event(GMouseEvent&) override;
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virtual void mousemove_event(GMouseEvent&) override;
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virtual void keydown_event(GKeyEvent&) override;
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virtual bool accepts_focus() const override { return true; }
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virtual void leave_event(CEvent&) override;
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private:
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bool m_readonly { false };
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int m_line_spacing { 4 };
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int m_content_length { 0 };
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int m_bytes_per_row { 16 };
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ByteBuffer m_buffer;
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bool m_in_drag_select { false };
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int m_selection_start { -1 };
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int m_selection_end { -1 };
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int m_hover_pos { -1 };
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HashMap<int, u8> m_tracked_changes;
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int m_position { 0 };
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int m_byte_position { 0 }; // 0 or 1
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EditMode m_edit_mode { Hex };
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void scroll_position_into_view(int position);
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int total_rows() const { return ceil_div(m_content_length, m_bytes_per_row); }
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int line_height() const { return font().glyph_height() + m_line_spacing; }
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int character_width() const { return font().glyph_width('W'); }
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int offset_margin_width() const { return 80; }
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void hex_mode_keydown_event(GKeyEvent&);
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void text_mode_keydown_event(GKeyEvent&);
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void set_content_length(int); // 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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};
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