250 lines
9.0 KiB
C++
250 lines
9.0 KiB
C++
#pragma once
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#include <hex.hpp>
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#include <hex/api/imhex_api.hpp>
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#include <hex/api/content_registry.hpp>
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#include <hex/providers/provider.hpp>
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#include <hex/helpers/encoding_file.hpp>
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#include <imgui.h>
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#include <imgui_internal.h>
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#include <hex/ui/imgui_imhex_extensions.h>
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#include <fonts/codicons_font.h>
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#include <content/helpers/math_evaluator.hpp>
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#include <hex/ui/view.hpp>
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#include <hex/helpers/crypto.hpp>
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#include <hex/providers/provider.hpp>
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#include <hex/providers/buffered_reader.hpp>
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namespace hex::plugin::builtin::ui {
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class HexEditor {
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public:
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explicit HexEditor(prv::Provider *provider = nullptr);
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~HexEditor();
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void draw(float height = ImGui::GetContentRegionAvail().y);
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void setProvider(prv::Provider *provider) {
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this->m_provider = provider;
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this->m_currValidRegion = { Region::Invalid(), false };
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}
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void setUnknownDataCharacter(char character) { this->m_unknownDataCharacter = character; }
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private:
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enum class CellType { None, Hex, ASCII };
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void drawCell(u64 address, u8 *data, size_t size, bool hovered, CellType cellType);
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void drawSelectionFrame(u32 x, u32 y, u64 byteAddress, u16 bytesPerCell, const ImVec2 &cellPos, const ImVec2 &cellSize) const;
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void drawEditor(const ImVec2 &size);
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void drawFooter(const ImVec2 &size);
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void drawTooltip(u64 address, const u8 *data, size_t size);
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void handleSelection(u64 address, u32 bytesPerCell, const u8 *data, bool cellHovered);
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std::optional<color_t> applySelectionColor(u64 byteAddress, std::optional<color_t> color);
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public:
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void setSelectionUnchecked(std::optional<u64> start, std::optional<u64> end) {
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this->m_selectionStart = start;
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this->m_selectionEnd = end;
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this->m_cursorPosition = end;
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}
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void setSelection(const Region ®ion) { this->setSelection(region.getStartAddress(), region.getEndAddress()); }
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void setSelection(u128 start, u128 end) {
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if (!ImHexApi::Provider::isValid())
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return;
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const size_t maxAddress = this->m_provider->getActualSize() + this->m_provider->getBaseAddress() - 1;
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this->m_selectionChanged = this->m_selectionStart != start || this->m_selectionEnd != end;
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this->m_selectionStart = std::clamp<u128>(start, 0, maxAddress);
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this->m_selectionEnd = std::clamp<u128>(end, 0, maxAddress);
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this->m_cursorPosition = this->m_selectionEnd;
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if (this->m_selectionChanged) {
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auto selection = this->getSelection();
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EventManager::post<EventRegionSelected>(ImHexApi::HexEditor::ProviderRegion{ { selection.address, selection.size }, this->m_provider });
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this->m_shouldModifyValue = true;
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}
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}
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[[nodiscard]] Region getSelection() const {
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if (!isSelectionValid())
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return Region::Invalid();
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const auto start = std::min(this->m_selectionStart.value(), this->m_selectionEnd.value());
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const auto end = std::max(this->m_selectionStart.value(), this->m_selectionEnd.value());
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const size_t size = end - start + 1;
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return { start, size };
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}
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[[nodiscard]] std::optional<u64> getCursorPosition() const {
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return this->m_cursorPosition;
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}
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void setCursorPosition(u64 cursorPosition) {
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this->m_cursorPosition = cursorPosition;
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}
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[[nodiscard]] bool isSelectionValid() const {
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return this->m_selectionStart.has_value() && this->m_selectionEnd.has_value();
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}
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void jumpToSelection(bool center = true) {
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this->m_shouldJumpToSelection = true;
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if (center)
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this->m_centerOnJump = true;
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}
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void scrollToSelection() {
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this->m_shouldScrollToSelection = true;
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}
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void jumpIfOffScreen() {
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this->m_shouldJumpWhenOffScreen = true;
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}
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[[nodiscard]] u16 getBytesPerRow() const {
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return this->m_bytesPerRow;
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}
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void setBytesPerRow(u16 bytesPerRow) {
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this->m_bytesPerRow = bytesPerRow;
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}
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[[nodiscard]] u16 getVisibleRowCount() const {
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return this->m_visibleRowCount;
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}
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void setSelectionColor(color_t color) {
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this->m_selectionColor = color;
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}
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void enableUpperCaseHex(bool upperCaseHex) {
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this->m_upperCaseHex = upperCaseHex;
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}
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void enableGrayOutZeros(bool grayOutZeros) {
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this->m_grayOutZero = grayOutZeros;
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}
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void enableShowAscii(bool showAscii) {
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this->m_showAscii = showAscii;
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}
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void enableSyncScrolling(bool syncScrolling) {
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this->m_syncScrolling = syncScrolling;
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}
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void setByteCellPadding(u32 byteCellPadding) {
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this->m_byteCellPadding = byteCellPadding;
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}
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void setCharacterCellPadding(u32 characterCellPadding) {
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this->m_characterCellPadding = characterCellPadding;
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}
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[[nodiscard]] const std::optional<EncodingFile>& getCustomEncoding() const {
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return this->m_currCustomEncoding;
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}
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void setCustomEncoding(const EncodingFile &encoding) {
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this->m_currCustomEncoding = encoding;
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this->m_encodingLineStartAddresses.clear();
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}
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void setCustomEncoding(EncodingFile &&encoding) {
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this->m_currCustomEncoding = std::move(encoding);
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this->m_encodingLineStartAddresses.clear();
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}
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void forceUpdateScrollPosition() {
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this->m_shouldUpdateScrollPosition = true;
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}
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void setForegroundHighlightCallback(const std::function<std::optional<color_t>(u64, const u8 *, size_t)> &callback) {
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this->m_foregroundColorCallback = callback;
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}
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void setBackgroundHighlightCallback(const std::function<std::optional<color_t>(u64, const u8 *, size_t)> &callback) {
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this->m_backgroundColorCallback = callback;
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}
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void setTooltipCallback(const std::function<void(u64, const u8 *, size_t)> &callback) {
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this->m_tooltipCallback = callback;
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}
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[[nodiscard]] float getScrollPosition() const {
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return this->m_scrollPosition;
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}
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void setScrollPosition(float scrollPosition) {
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this->m_scrollPosition = scrollPosition;
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}
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void setEditingAddress(u64 address) {
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this->m_editingAddress = address;
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this->m_shouldModifyValue = false;
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this->m_enteredEditingMode = true;
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this->m_editingBytes.resize(this->m_currDataVisualizer->getBytesPerCell());
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this->m_provider->read(address + this->m_provider->getBaseAddress(), this->m_editingBytes.data(), this->m_editingBytes.size());
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this->m_editingCellType = CellType::Hex;
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}
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void clearEditingAddress() {
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this->m_editingAddress = std::nullopt;
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}
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private:
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prv::Provider *m_provider;
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std::optional<u64> m_selectionStart;
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std::optional<u64> m_selectionEnd;
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std::optional<u64> m_cursorPosition;
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float m_scrollPosition = 0;
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u16 m_bytesPerRow = 16;
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std::endian m_dataVisualizerEndianness = std::endian::little;
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std::shared_ptr<ContentRegistry::HexEditor::DataVisualizer> m_currDataVisualizer;
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char m_unknownDataCharacter = '?';
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bool m_shouldJumpToSelection = false;
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bool m_centerOnJump = false;
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bool m_shouldScrollToSelection = false;
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bool m_shouldJumpWhenOffScreen = false;
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bool m_shouldUpdateScrollPosition = false;
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bool m_selectionChanged = false;
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u16 m_visibleRowCount = 0;
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CellType m_editingCellType = CellType::None;
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std::optional<u64> m_editingAddress;
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bool m_shouldModifyValue = false;
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bool m_enteredEditingMode = false;
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bool m_shouldUpdateEditingValue = false;
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std::vector<u8> m_editingBytes;
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color_t m_selectionColor = 0x00;
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bool m_upperCaseHex = true;
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bool m_grayOutZero = true;
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bool m_showAscii = true;
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bool m_showCustomEncoding = true;
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bool m_syncScrolling = false;
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u32 m_byteCellPadding = 0, m_characterCellPadding = 0;
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std::optional<EncodingFile> m_currCustomEncoding;
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std::vector<u64> m_encodingLineStartAddresses;
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std::pair<Region, bool> m_currValidRegion = { Region::Invalid(), false };
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static inline std::optional<color_t> defaultColorCallback(u64, const u8 *, size_t) { return std::nullopt; }
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static inline void defaultTooltipCallback(u64, const u8 *, size_t) { }
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std::function<std::optional<color_t>(u64, const u8 *, size_t)> m_foregroundColorCallback = defaultColorCallback, m_backgroundColorCallback = defaultColorCallback;
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std::function<void(u64, const u8 *, size_t)> m_tooltipCallback = defaultTooltipCallback;
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};
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}
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