765 lines
39 KiB
C++
765 lines
39 KiB
C++
#include <ui/hex_editor.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/api/localization.hpp>
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#include <hex/helpers/encoding_file.hpp>
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#include <hex/helpers/utils.hpp>
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namespace hex::plugin::builtin::ui {
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/* Data Visualizer */
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class DataVisualizerAscii : public hex::ContentRegistry::HexEditor::DataVisualizer {
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public:
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DataVisualizerAscii() : DataVisualizer(1, 1) { }
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void draw(u64 address, const u8 *data, size_t size, bool upperCase) override {
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hex::unused(address, upperCase);
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if (size == 1) {
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const u8 c = data[0];
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if (std::isprint(c))
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ImGui::Text("%c", c);
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else
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ImGui::TextDisabled(".");
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}
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else
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ImGui::TextDisabled(".");
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}
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bool drawEditing(u64 address, u8 *data, size_t size, bool upperCase, bool startedEditing) override {
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hex::unused(address, startedEditing, upperCase);
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if (size == 1) {
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struct UserData {
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u8 *data;
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i32 maxChars;
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bool editingDone;
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};
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UserData userData = {
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.data = data,
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.maxChars = this->getMaxCharsPerCell(),
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.editingDone = false
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};
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ImGui::PushID(reinterpret_cast<void*>(address));
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char buffer[2] = { std::isprint(data[0]) ? char(data[0]) : '.', 0x00 };
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ImGui::InputText("##editing_input", buffer, 2, TextInputFlags | ImGuiInputTextFlags_CallbackEdit, [](ImGuiInputTextCallbackData *data) -> int {
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auto &userData = *reinterpret_cast<UserData*>(data->UserData);
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if (data->BufTextLen >= userData.maxChars) {
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userData.editingDone = true;
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userData.data[0] = data->Buf[0];
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}
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return 0;
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}, &userData);
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ImGui::PopID();
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return userData.editingDone || ImGui::IsKeyPressed(ImGuiKey_Enter) || ImGui::IsKeyPressed(ImGuiKey_Escape);
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}
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else
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return false;
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}
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};
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/* Hex Editor */
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HexEditor::HexEditor(prv::Provider *provider) : m_provider(provider) {
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this->m_currDataVisualizer = ContentRegistry::HexEditor::impl::getVisualizers()["hex.builtin.visualizer.hexadecimal.8bit"];
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this->m_grayZeroHighlighter = ImHexApi::HexEditor::addForegroundHighlightingProvider([this](u64 address, const u8 *data, size_t size, bool hasColor) -> std::optional<color_t> {
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hex::unused(address);
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if (hasColor)
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return std::nullopt;
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if (!this->m_grayOutZero)
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return std::nullopt;
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for (u32 i = 0; i < size; i++)
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if (data[i] != 0x00)
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return std::nullopt;
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return ImGui::GetColorU32(ImGuiCol_TextDisabled);
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});
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EventManager::subscribe<EventSettingsChanged>(this, [this] {
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{
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this->m_bytesPerRow = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.bytes_per_row", 16);
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this->m_encodingLineStartAddresses.clear();
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}
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{
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auto &visualizers = ContentRegistry::HexEditor::impl::getVisualizers();
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auto selectedVisualizer = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.visualizer", "hex.builtin.visualizer.hexadecimal.8bit");
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if (visualizers.contains(selectedVisualizer))
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this->m_currDataVisualizer = visualizers[selectedVisualizer];
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else
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this->m_currDataVisualizer = visualizers["hex.builtin.visualizer.hexadecimal.8bit"];
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}
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this->m_showAscii = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.ascii", 1);
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this->m_showCustomEncoding = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.advanced_decoding", 1);
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this->m_grayOutZero = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.grey_zeros", 1);
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this->m_upperCaseHex = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.uppercase_hex", 1);
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this->m_selectionColor = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.highlight_color", 0x60C08080);
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this->m_syncScrolling = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.sync_scrolling", 0);
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this->m_byteCellPadding = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.byte_padding", 0);
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this->m_characterCellPadding = ContentRegistry::Settings::read("hex.builtin.setting.hex_editor", "hex.builtin.setting.hex_editor.char_padding", 0);
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});
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}
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HexEditor::~HexEditor() {
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ImHexApi::HexEditor::removeForegroundHighlightingProvider(this->m_grayZeroHighlighter);
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EventManager::unsubscribe<EventSettingsChanged>(this);
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}
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constexpr static u16 getByteColumnSeparatorCount(u16 columnCount) {
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return (columnCount - 1) / 8;
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}
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constexpr static bool isColumnSeparatorColumn(u16 currColumn, u16 columnCount) {
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return currColumn > 0 && (currColumn) < columnCount && ((currColumn) % 8) == 0;
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}
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std::optional<color_t> HexEditor::applySelectionColor(u64 byteAddress, std::optional<color_t> color) {
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if (isSelectionValid()) {
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auto selection = getSelection();
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if (byteAddress >= selection.getStartAddress() && byteAddress <= selection.getEndAddress()) {
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if (color.has_value())
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color = (ImAlphaBlendColors(color.value(), this->m_selectionColor)) & 0x00FFFFFF;
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else
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color = this->m_selectionColor;
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}
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}
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if (color.has_value())
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color = (*color & 0x00FFFFFF) | (this->m_selectionColor & 0xFF000000);
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return color;
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}
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struct CustomEncodingData {
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std::string displayValue;
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size_t advance;
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ImColor color;
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};
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static CustomEncodingData queryCustomEncodingData(prv::Provider *provider, const EncodingFile &encodingFile, std::vector<u64> &lineStartAddresses, u32 bytesPerRow, u64 address) {
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const auto longestSequence = encodingFile.getLongestSequence();
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if (longestSequence == 0)
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return { ".", 1, 0xFFFF8000 };
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if (lineStartAddresses.empty() || lineStartAddresses.size() <= address / bytesPerRow) {
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auto prevSize = lineStartAddresses.size();
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auto newSize = address / bytesPerRow + 1;
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lineStartAddresses.reserve(newSize);
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std::vector<u8> buffer;
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for (auto i = prevSize; i < newSize; i++) {
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u32 offset = 0;
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while (offset < bytesPerRow) {
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size_t readSize = std::min<size_t>(longestSequence, provider->getActualSize() - address);
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buffer.resize(readSize);
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provider->read(address, buffer.data(), readSize);
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offset += encodingFile.getEncodingLengthFor(buffer);
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}
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lineStartAddresses.push_back(offset % bytesPerRow);
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}
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}
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address += lineStartAddresses[address / bytesPerRow];
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size_t size = std::min<size_t>(longestSequence, provider->getActualSize() - address);
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std::vector<u8> buffer(size);
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provider->read(address, buffer.data(), size);
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const auto [decoded, advance] = encodingFile.getEncodingFor(buffer);
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const ImColor color = [&decoded = decoded, &advance = advance]{
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if (decoded.length() == 1 && std::isalnum(decoded[0]))
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return ImGui::GetCustomColorU32(ImGuiCustomCol_ToolbarBlue);
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else if (decoded.length() == 1 && advance == 1)
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return ImGui::GetCustomColorU32(ImGuiCustomCol_ToolbarRed);
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else if (decoded.length() > 1 && advance == 1)
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return ImGui::GetCustomColorU32(ImGuiCustomCol_ToolbarYellow);
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else if (advance > 1)
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return ImGui::GetColorU32(ImGuiCol_Text);
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else
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return ImGui::GetCustomColorU32(ImGuiCustomCol_ToolbarBlue);
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}();
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return { std::string(decoded), advance, color };
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}
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static auto getCellPosition() {
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return ImGui::GetCursorScreenPos() - ImGui::GetStyle().CellPadding;
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}
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void HexEditor::drawTooltip(u64 address, const u8 *data, size_t size) {
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, scaled(ImVec2(5, 5)));
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this->m_tooltipCallback(address, data, size);
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ImGui::PopStyleVar();
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}
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void HexEditor::drawCell(u64 address, u8 *data, size_t size, bool hovered, CellType cellType) {
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static DataVisualizerAscii asciiVisualizer;
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if (this->m_editingAddress != address || this->m_editingCellType != cellType) {
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if (cellType == CellType::Hex)
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this->m_currDataVisualizer->draw(address, data, size, this->m_upperCaseHex);
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else
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asciiVisualizer.draw(address, data, size, this->m_upperCaseHex);
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if (hovered && this->m_provider->isWritable()) {
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// Enter editing mode when double-clicking a cell
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if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)) {
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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(size);
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std::memcpy(this->m_editingBytes.data(), data, size);
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this->m_editingCellType = cellType;
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}
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}
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}
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else {
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ImGui::SetKeyboardFocusHere();
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ImGui::SetNextFrameWantCaptureKeyboard(true);
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bool shouldExitEditingMode = true;
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if (cellType == this->m_editingCellType && cellType == CellType::Hex)
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shouldExitEditingMode = this->m_currDataVisualizer->drawEditing(*this->m_editingAddress, this->m_editingBytes.data(), this->m_editingBytes.size(), this->m_upperCaseHex, this->m_enteredEditingMode);
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else if (cellType == this->m_editingCellType && cellType == CellType::ASCII)
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shouldExitEditingMode = asciiVisualizer.drawEditing(*this->m_editingAddress, this->m_editingBytes.data(), this->m_editingBytes.size(), this->m_upperCaseHex, this->m_enteredEditingMode);
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if (shouldExitEditingMode || this->m_shouldModifyValue) {
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this->m_provider->write(*this->m_editingAddress, this->m_editingBytes.data(), this->m_editingBytes.size());
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if (!this->m_selectionChanged && !ImGui::IsMouseDown(ImGuiMouseButton_Left) && !ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
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auto nextEditingAddress = *this->m_editingAddress + this->m_currDataVisualizer->getBytesPerCell();
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this->setSelection(nextEditingAddress, nextEditingAddress);
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if (nextEditingAddress >= this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress() + this->m_provider->getSize())
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this->m_editingAddress = std::nullopt;
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else
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this->m_editingAddress = nextEditingAddress;
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} else {
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this->m_editingAddress = std::nullopt;
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}
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this->m_shouldModifyValue = false;
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this->m_shouldUpdateEditingValue = true;
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}
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if (ImGui::IsMouseClicked(ImGuiMouseButton_Left) && !hovered && !this->m_enteredEditingMode) {
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this->m_editingAddress = std::nullopt;
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this->m_shouldModifyValue = false;
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}
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if (!this->m_editingAddress.has_value())
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this->m_editingCellType = CellType::None;
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this->m_enteredEditingMode = false;
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}
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}
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void HexEditor::drawSelectionFrame(u32 x, u32 y, u64 byteAddress, u16 bytesPerCell, const ImVec2 &cellPos, const ImVec2 &cellSize) const {
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if (!this->isSelectionValid()) return;
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const auto selection = getSelection();
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if (!Region { byteAddress, 1 }.isWithin(selection))
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return;
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const color_t SelectionFrameColor = ImGui::GetColorU32(ImGuiCol_Text);
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auto drawList = ImGui::GetWindowDrawList();
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// Draw vertical line at the left of first byte and the start of the line
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if (x == 0 || byteAddress == selection.getStartAddress())
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drawList->AddLine(cellPos, cellPos + ImVec2(0, cellSize.y), ImColor(SelectionFrameColor), 1_scaled);
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// Draw vertical line at the right of the last byte and the end of the line
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if (x == u16((this->m_bytesPerRow / bytesPerCell) - 1) || (byteAddress + bytesPerCell) > selection.getEndAddress())
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drawList->AddLine(cellPos + ImVec2(cellSize.x, -1), cellPos + cellSize, ImColor(SelectionFrameColor), 1_scaled);
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// Draw horizontal line at the top of the bytes
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if (y == 0 || (byteAddress - this->m_bytesPerRow) < selection.getStartAddress())
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drawList->AddLine(cellPos, cellPos + ImVec2(cellSize.x + 1, 0), ImColor(SelectionFrameColor), 1_scaled);
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// Draw horizontal line at the bottom of the bytes
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if ((byteAddress + this->m_bytesPerRow) > selection.getEndAddress())
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drawList->AddLine(cellPos + ImVec2(0, cellSize.y), cellPos + cellSize + ImVec2(1, 0), ImColor(SelectionFrameColor), 1_scaled);
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}
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void HexEditor::drawEditor(const ImVec2 &size) {
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const float SeparatorColumWidth = 6_scaled;
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const auto CharacterSize = ImGui::CalcTextSize("0");
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const auto bytesPerCell = this->m_currDataVisualizer->getBytesPerCell();
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const u16 columnCount = this->m_bytesPerRow / bytesPerCell;
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const auto byteColumnCount = columnCount + getByteColumnSeparatorCount(columnCount);
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ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2(0.5, 0));
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if (ImGui::BeginTable("##hex", 2 + byteColumnCount + 2 + 2 , ImGuiTableFlags_ScrollY | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_NoKeepColumnsVisible, size)) {
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View::discardNavigationRequests();
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ImGui::TableSetupScrollFreeze(0, 2);
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// Row address column
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ImGui::TableSetupColumn("hex.builtin.common.address"_lang);
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ImGui::TableSetupColumn("");
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// Byte columns
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for (u16 i = 0; i < columnCount; i++) {
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if (isColumnSeparatorColumn(i, columnCount))
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ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed, SeparatorColumWidth);
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ImGui::TableSetupColumn(hex::format(this->m_upperCaseHex ? "{:0{}X}" : "{:0{}x}", i * bytesPerCell, this->m_currDataVisualizer->getMaxCharsPerCell()).c_str(), ImGuiTableColumnFlags_WidthFixed, CharacterSize.x * this->m_currDataVisualizer->getMaxCharsPerCell() + (6 + this->m_byteCellPadding) * 1_scaled);
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}
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// ASCII column
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ImGui::TableSetupColumn("");
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ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed, this->m_showAscii ? (CharacterSize.x + this->m_characterCellPadding * 1_scaled) * this->m_bytesPerRow : 0);
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// Custom encoding column
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ImGui::TableSetupColumn("");
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ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch);
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ImGui::TableNextRow();
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for (i32 i = 0; i < ImGui::TableGetColumnCount(); i++) {
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ImGui::TableNextColumn();
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ImGui::TextUnformatted(ImGui::TableGetColumnName(i));
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ImGui::SetCursorPosY(ImGui::GetCursorPosY() + CharacterSize.y / 2);
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}
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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if (this->m_provider != nullptr && this->m_provider->isReadable()) {
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const auto isCurrRegionValid = [this](u64 address) {
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auto &[currRegion, currRegionValid] = this->m_currValidRegion;
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if (!Region{ address, 1 }.isWithin(currRegion)) {
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this->m_currValidRegion = this->m_provider->getRegionValidity(address);
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}
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return currRegionValid;
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};
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ImGuiListClipper clipper;
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clipper.Begin(std::ceil(this->m_provider->getSize() / (long double)(this->m_bytesPerRow)), CharacterSize.y);
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while (clipper.Step()) {
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this->m_visibleRowCount = clipper.DisplayEnd - clipper.DisplayStart;
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// Loop over rows
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for (u64 y = u64(clipper.DisplayStart); y < u64(clipper.DisplayEnd); y++) {
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// Draw address column
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::TextFormatted(this->m_upperCaseHex ? "{:08X}: " : "{:08x}: ", y * this->m_bytesPerRow + this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress());
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ImGui::TableNextColumn();
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const u8 validBytes = std::min<u64>(this->m_bytesPerRow, this->m_provider->getSize() - y * this->m_bytesPerRow);
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std::vector<u8> bytes(this->m_bytesPerRow, 0x00);
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this->m_provider->read(y * this->m_bytesPerRow + this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress(), bytes.data(), validBytes);
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std::vector<std::tuple<std::optional<color_t>, std::optional<color_t>>> cellColors;
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{
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for (u64 x = 0; x < std::ceil(float(validBytes) / bytesPerCell); x++) {
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const u64 byteAddress = y * this->m_bytesPerRow + x * bytesPerCell + this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress();
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const auto cellBytes = std::min<u64>(validBytes, bytesPerCell);
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// Query cell colors
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if (x < std::ceil(float(validBytes) / bytesPerCell)) {
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const auto foregroundColor = this->m_foregroundColorCallback(byteAddress, &bytes[x * cellBytes], cellBytes);
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const auto backgroundColor = this->m_backgroundColorCallback(byteAddress, &bytes[x * cellBytes], cellBytes);
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cellColors.emplace_back(
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foregroundColor,
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backgroundColor
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);
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} else {
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cellColors.emplace_back(
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std::nullopt,
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std::nullopt
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);
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}
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}
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}
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// Draw byte columns
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ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, scaled(ImVec2(2.75F, 0.0F)));
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for (u64 x = 0; x < columnCount; x++) {
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const u64 byteAddress = y * this->m_bytesPerRow + x * bytesPerCell + this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress();
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ImGui::TableNextColumn();
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if (isColumnSeparatorColumn(x, columnCount))
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ImGui::TableNextColumn();
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if (x < std::ceil(float(validBytes) / bytesPerCell)) {
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auto cellStartPos = getCellPosition();
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auto cellSize = (CharacterSize * ImVec2(this->m_currDataVisualizer->getMaxCharsPerCell(), 1)) + (ImVec2(2, 2) * ImGui::GetStyle().CellPadding) + scaled(ImVec2(1 + this->m_byteCellPadding, 0));
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auto maxCharsPerCell = this->m_currDataVisualizer->getMaxCharsPerCell();
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auto [foregroundColor, backgroundColor] = cellColors[x];
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if (isColumnSeparatorColumn(x + 1, columnCount) && cellColors.size() > x + 1) {
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auto separatorAddress = x + y * columnCount;
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auto [nextForegroundColor, nextBackgroundColor] = cellColors[x + 1];
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if ((isSelectionValid() && getSelection().overlaps({ separatorAddress, 1 }) && getSelection().getEndAddress() != separatorAddress) || backgroundColor == nextBackgroundColor)
|
|
cellSize.x += SeparatorColumWidth + 1;
|
|
}
|
|
|
|
if (y == u64(clipper.DisplayStart))
|
|
cellSize.y -= (ImGui::GetStyle().CellPadding.y + 1);
|
|
|
|
backgroundColor = applySelectionColor(byteAddress, backgroundColor);
|
|
|
|
// Draw highlights and selection
|
|
if (backgroundColor.has_value()) {
|
|
auto drawList = ImGui::GetWindowDrawList();
|
|
|
|
// Draw background color
|
|
drawList->AddRectFilled(cellStartPos, cellStartPos + cellSize, backgroundColor.value());
|
|
|
|
// Draw frame around mouse selection
|
|
this->drawSelectionFrame(x, y, byteAddress, bytesPerCell, cellStartPos, cellSize);
|
|
}
|
|
|
|
const bool cellHovered = ImGui::IsMouseHoveringRect(cellStartPos, cellStartPos + cellSize, false);
|
|
|
|
this->handleSelection(byteAddress, bytesPerCell, &bytes[x * bytesPerCell], cellHovered);
|
|
|
|
// Get byte foreground color
|
|
if (foregroundColor.has_value())
|
|
ImGui::PushStyleColor(ImGuiCol_Text, *foregroundColor);
|
|
|
|
// Draw cell content
|
|
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
|
|
ImGui::PushItemWidth((CharacterSize * maxCharsPerCell).x);
|
|
if (isCurrRegionValid(byteAddress))
|
|
this->drawCell(byteAddress, &bytes[x * bytesPerCell], bytesPerCell, cellHovered, CellType::Hex);
|
|
else
|
|
ImGui::TextFormatted("{}", std::string(maxCharsPerCell, '?'));
|
|
ImGui::PopItemWidth();
|
|
ImGui::PopStyleVar();
|
|
|
|
if (foregroundColor.has_value())
|
|
ImGui::PopStyleColor();
|
|
}
|
|
}
|
|
ImGui::PopStyleVar();
|
|
|
|
ImGui::TableNextColumn();
|
|
ImGui::TableNextColumn();
|
|
|
|
// Draw ASCII column
|
|
if (this->m_showAscii) {
|
|
ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2(0, 0));
|
|
if (ImGui::BeginTable("##ascii_column", this->m_bytesPerRow)) {
|
|
for (u64 x = 0; x < this->m_bytesPerRow; x++)
|
|
ImGui::TableSetupColumn(hex::format("##ascii_cell{}", x).c_str(), ImGuiTableColumnFlags_WidthFixed, CharacterSize.x + this->m_characterCellPadding * 1_scaled);
|
|
|
|
ImGui::TableNextRow();
|
|
|
|
for (u64 x = 0; x < this->m_bytesPerRow; x++) {
|
|
ImGui::TableNextColumn();
|
|
|
|
const u64 byteAddress = y * this->m_bytesPerRow + x + this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress();
|
|
|
|
const auto cellStartPos = getCellPosition();
|
|
const auto cellSize = CharacterSize + scaled(ImVec2(this->m_characterCellPadding, 0));
|
|
|
|
const bool cellHovered = ImGui::IsMouseHoveringRect(cellStartPos, cellStartPos + cellSize, true);
|
|
|
|
if (x < validBytes) {
|
|
this->handleSelection(byteAddress, bytesPerCell, &bytes[x], cellHovered);
|
|
|
|
auto [foregroundColor, backgroundColor] = cellColors[x / bytesPerCell];
|
|
|
|
backgroundColor = applySelectionColor(byteAddress, backgroundColor);
|
|
|
|
// Draw highlights and selection
|
|
if (backgroundColor.has_value()) {
|
|
auto drawList = ImGui::GetWindowDrawList();
|
|
|
|
// Draw background color
|
|
drawList->AddRectFilled(cellStartPos, cellStartPos + cellSize, backgroundColor.value());
|
|
|
|
this->drawSelectionFrame(x, y, byteAddress, 1, cellStartPos, cellSize);
|
|
}
|
|
|
|
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + (this->m_characterCellPadding * 1_scaled) / 2);
|
|
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
|
|
ImGui::PushItemWidth(CharacterSize.x);
|
|
if (!isCurrRegionValid(byteAddress))
|
|
ImGui::TextFormattedDisabled("{}", this->m_unknownDataCharacter);
|
|
else
|
|
this->drawCell(byteAddress, &bytes[x], 1, cellHovered, CellType::ASCII);
|
|
ImGui::PopItemWidth();
|
|
ImGui::PopStyleVar();
|
|
}
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
ImGui::PopStyleVar();
|
|
}
|
|
|
|
ImGui::TableNextColumn();
|
|
ImGui::TableNextColumn();
|
|
|
|
// Draw Custom encoding column
|
|
if (this->m_showCustomEncoding && this->m_currCustomEncoding.has_value()) {
|
|
std::vector<std::pair<u64, CustomEncodingData>> encodingData;
|
|
u32 offset = 0;
|
|
do {
|
|
const u64 address = y * this->m_bytesPerRow + offset + this->m_provider->getBaseAddress() + this->m_provider->getCurrentPageAddress();
|
|
|
|
auto result = queryCustomEncodingData(this->m_provider, *this->m_currCustomEncoding, this->m_encodingLineStartAddresses, this->m_bytesPerRow, address);
|
|
offset += std::max<size_t>(1, result.advance);
|
|
|
|
encodingData.emplace_back(address, result);
|
|
} while (offset < this->m_bytesPerRow);
|
|
|
|
ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, ImVec2(0, 0));
|
|
ImGui::PushID(y);
|
|
if (ImGui::BeginTable("##encoding_cell", encodingData.size(), ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_NoKeepColumnsVisible)) {
|
|
ImGui::TableNextRow();
|
|
|
|
for (const auto &[address, data] : encodingData) {
|
|
ImGui::TableNextColumn();
|
|
|
|
const auto cellStartPos = getCellPosition();
|
|
const auto cellSize = ImGui::CalcTextSize(data.displayValue.c_str()) * ImVec2(1, 0) + ImVec2(this->m_characterCellPadding * 1_scaled, CharacterSize.y);
|
|
const bool cellHovered = ImGui::IsMouseHoveringRect(cellStartPos, cellStartPos + cellSize, true);
|
|
|
|
const auto x = address % this->m_bytesPerRow;
|
|
if (x < validBytes && isCurrRegionValid(address)) {
|
|
auto [foregroundColor, backgroundColor] = cellColors[x / bytesPerCell];
|
|
|
|
backgroundColor = applySelectionColor(address, backgroundColor);
|
|
|
|
// Draw highlights and selection
|
|
if (backgroundColor.has_value()) {
|
|
auto drawList = ImGui::GetWindowDrawList();
|
|
|
|
// Draw background color
|
|
drawList->AddRectFilled(cellStartPos, cellStartPos + cellSize, backgroundColor.value());
|
|
|
|
this->drawSelectionFrame(x, y, address, 1, cellStartPos, cellSize);
|
|
}
|
|
|
|
auto startPos = ImGui::GetCursorPosX();
|
|
ImGui::TextFormattedColored(data.color, "{}", data.displayValue);
|
|
ImGui::SetCursorPosX(startPos + cellSize.x);
|
|
|
|
this->handleSelection(address, data.advance, &bytes[address % this->m_bytesPerRow], cellHovered);
|
|
}
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
ImGui::PopStyleVar();
|
|
ImGui::PopID();
|
|
}
|
|
|
|
// Scroll to the cursor if it's either at the top or bottom edge of the screen
|
|
if (this->m_shouldScrollToSelection && isSelectionValid()) {
|
|
// Make sure simply clicking on a byte at the edge of the screen won't cause scrolling
|
|
if ((ImGui::IsMouseDragging(ImGuiMouseButton_Left) && *this->m_selectionStart != *this->m_selectionEnd)) {
|
|
auto fractionPerLine = 1.0 / (this->m_visibleRowCount + 1);
|
|
|
|
if (y == (u64(clipper.DisplayStart) + 3)) {
|
|
if (i128(this->m_selectionEnd.value() - this->m_provider->getBaseAddress() - this->m_provider->getCurrentPageAddress()) <= (i64(clipper.DisplayStart + 3) * this->m_bytesPerRow)) {
|
|
this->m_shouldScrollToSelection = false;
|
|
ImGui::SetScrollHereY(fractionPerLine * 5);
|
|
}
|
|
} else if (y == (u64(clipper.DisplayEnd) - 1)) {
|
|
if (i128(this->m_selectionEnd.value() - this->m_provider->getBaseAddress() - this->m_provider->getCurrentPageAddress()) >= (i64(clipper.DisplayEnd - 2) * this->m_bytesPerRow)) {
|
|
this->m_shouldScrollToSelection = false;
|
|
ImGui::SetScrollHereY(fractionPerLine * (this->m_visibleRowCount));
|
|
}
|
|
}
|
|
}
|
|
|
|
// If the cursor is off-screen, directly jump to the byte
|
|
if (this->m_shouldJumpWhenOffScreen) {
|
|
this->m_shouldJumpWhenOffScreen = false;
|
|
|
|
const auto pageAddress = this->m_provider->getCurrentPageAddress() + this->m_provider->getBaseAddress();
|
|
auto newSelection = getSelection();
|
|
newSelection.address -= pageAddress;
|
|
|
|
if ((newSelection.getStartAddress()) < u64(clipper.DisplayStart * this->m_bytesPerRow))
|
|
this->jumpToSelection(false);
|
|
if ((newSelection.getEndAddress()) > u64(clipper.DisplayEnd * this->m_bytesPerRow))
|
|
this->jumpToSelection(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Handle jumping to selection
|
|
if (this->m_shouldJumpToSelection) {
|
|
this->m_shouldJumpToSelection = false;
|
|
|
|
auto newSelection = getSelection();
|
|
this->m_provider->setCurrentPage(this->m_provider->getPageOfAddress(newSelection.address).value_or(0));
|
|
|
|
const auto pageAddress = this->m_provider->getCurrentPageAddress() + this->m_provider->getBaseAddress();
|
|
auto scrollPos = (static_cast<long double>(newSelection.getStartAddress() - pageAddress) / this->m_bytesPerRow) * CharacterSize.y;
|
|
bool scrollUpwards = scrollPos < ImGui::GetScrollY();
|
|
auto scrollFraction = scrollUpwards ? 0.0F : (1.0F - ((1.0F / this->m_visibleRowCount) * 2));
|
|
|
|
if (this->m_centerOnJump) {
|
|
scrollFraction = 0.5F;
|
|
this->m_centerOnJump = false;
|
|
}
|
|
|
|
ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scrollPos, scrollFraction);
|
|
}
|
|
|
|
if (!this->m_syncScrolling) {
|
|
if (this->m_shouldUpdateScrollPosition) {
|
|
this->m_shouldUpdateScrollPosition = false;
|
|
ImGui::SetScrollY(this->m_scrollPosition);
|
|
} else {
|
|
this->m_scrollPosition = ImGui::GetScrollY();
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
ImGui::PopStyleVar();
|
|
|
|
this->m_shouldScrollToSelection = false;
|
|
}
|
|
|
|
void HexEditor::drawFooter(const ImVec2 &size) {
|
|
if (this->m_provider != nullptr && this->m_provider->isReadable()) {
|
|
const auto pageCount = this->m_provider->getPageCount();
|
|
constexpr static u32 MinPage = 1;
|
|
|
|
const auto windowEndPos = ImGui::GetWindowPos() + size - ImGui::GetStyle().WindowPadding;
|
|
ImGui::GetWindowDrawList()->AddLine(windowEndPos - ImVec2(0, size.y - 1_scaled), windowEndPos - size + ImVec2(0, 1_scaled), ImGui::GetColorU32(ImGuiCol_Separator), 2.0_scaled);
|
|
|
|
if (ImGui::BeginChild("##footer", size, false, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse)) {
|
|
if (ImGui::BeginTable("##footer_table", 2)) {
|
|
ImGui::TableNextRow();
|
|
|
|
// Page slider
|
|
ImGui::TableNextColumn();
|
|
{
|
|
u32 page = this->m_provider->getCurrentPage() + 1;
|
|
|
|
ImGui::TextFormatted("{}: ", "hex.builtin.hex_editor.page"_lang);
|
|
ImGui::SameLine();
|
|
|
|
ImGui::BeginDisabled(pageCount <= 1);
|
|
{
|
|
if (ImGui::SliderScalar("##page_selection", ImGuiDataType_U32, &page, &MinPage, &pageCount, hex::format("0x%02llX / 0x{:02X}", pageCount).c_str()))
|
|
this->m_provider->setCurrentPage(page - 1);
|
|
}
|
|
ImGui::EndDisabled();
|
|
}
|
|
|
|
// Page Address
|
|
ImGui::TableNextColumn();
|
|
{
|
|
ImGui::TextFormatted("{0}: 0x{1:08X} - 0x{2:08X} ({1} - {2})", "hex.builtin.hex_editor.region"_lang, this->m_provider->getCurrentPageAddress(), this->m_provider->getSize());
|
|
}
|
|
|
|
ImGui::TableNextRow();
|
|
|
|
// Selection
|
|
ImGui::TableNextColumn();
|
|
{
|
|
auto selection = getSelection();
|
|
std::string value;
|
|
if (isSelectionValid()) {
|
|
value = hex::format("0x{0:08X} - 0x{1:08X} (0x{2:X} | {3})",
|
|
selection.getStartAddress(),
|
|
selection.getEndAddress(),
|
|
selection.getSize(),
|
|
hex::toByteString(selection.getSize())
|
|
);
|
|
}
|
|
else
|
|
value = std::string("hex.builtin.hex_editor.selection.none"_lang);
|
|
|
|
ImGui::TextFormatted("{0}: {1}", "hex.builtin.hex_editor.selection"_lang, value);
|
|
}
|
|
|
|
// Loaded data size
|
|
ImGui::TableNextColumn();
|
|
{
|
|
ImGui::TextFormatted("{0}: 0x{1:08X} (0x{2:X} | {3})", "hex.builtin.hex_editor.data_size"_lang,
|
|
this->m_provider->getActualSize(),
|
|
this->m_provider->getActualSize(),
|
|
hex::toByteString(this->m_provider->getActualSize())
|
|
);
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
}
|
|
ImGui::EndChild();
|
|
}
|
|
}
|
|
|
|
void HexEditor::handleSelection(u64 address, u32 bytesPerCell, const u8 *data, bool cellHovered) {
|
|
if (ImGui::IsWindowHovered() && cellHovered) {
|
|
drawTooltip(address, data, bytesPerCell);
|
|
|
|
auto endAddress = address + bytesPerCell - 1;
|
|
auto &selectionStart = this->m_selectionStart;
|
|
|
|
if (ImGui::IsMouseDragging(ImGuiMouseButton_Left)) {
|
|
this->setSelection(selectionStart.value_or(address), endAddress);
|
|
this->scrollToSelection();
|
|
}
|
|
else if (ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
|
|
if (ImGui::GetIO().KeyShift)
|
|
this->setSelection(selectionStart.value_or(address), endAddress);
|
|
else
|
|
this->setSelection(address, endAddress);
|
|
|
|
this->scrollToSelection();
|
|
}
|
|
}
|
|
}
|
|
|
|
void HexEditor::draw(float height) {
|
|
const auto width = ImGui::GetContentRegionAvail().x;
|
|
|
|
const auto FooterSize = ImVec2(width, ImGui::GetTextLineHeightWithSpacing() * 2.3F);
|
|
const auto TableSize = ImVec2(width, height - FooterSize.y);
|
|
|
|
this->drawEditor(TableSize);
|
|
this->drawFooter(FooterSize);
|
|
|
|
this->m_selectionChanged = false;
|
|
}
|
|
|
|
} |