335 lines
15 KiB
C++
335 lines
15 KiB
C++
#include <hex/api/localization.hpp>
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#include <hex/api/imhex_api.hpp>
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#include <hex/providers/provider.hpp>
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#include <hex/ui/imgui_imhex_extensions.h>
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#include <hex/helpers/utils.hpp>
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#include <content/helpers/math_evaluator.hpp>
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#include <imgui.h>
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#include <fonts/fontawesome_font.h>
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#include <fonts/codicons_font.h>
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#include <vector>
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#include <string>
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namespace hex::plugin::builtin {
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namespace impl {
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void drawMathEvaluator() {
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static std::vector<long double> mathHistory;
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static std::string lastMathError;
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static std::string mathInput;
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bool evaluate = false;
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static MathEvaluator<long double> mathEvaluator = [&] {
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MathEvaluator<long double> evaluator;
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evaluator.registerStandardVariables();
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evaluator.registerStandardFunctions();
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evaluator.setFunction(
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"clear", [&](auto args) -> std::optional<long double> {
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hex::unused(args);
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mathHistory.clear();
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lastMathError.clear();
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mathEvaluator.getVariables().clear();
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mathEvaluator.registerStandardVariables();
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mathInput.clear();
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return std::nullopt;
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},
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0,
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0);
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evaluator.setFunction(
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"read", [](auto args) -> std::optional<long double> {
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u8 value = 0;
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auto provider = ImHexApi::Provider::get();
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if (!ImHexApi::Provider::isValid() || !provider->isReadable() || args[0] >= provider->getActualSize())
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return std::nullopt;
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provider->read(args[0], &value, sizeof(u8));
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return value;
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},
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1,
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1);
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evaluator.setFunction(
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"write", [](auto args) -> std::optional<long double> {
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auto provider = ImHexApi::Provider::get();
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if (!ImHexApi::Provider::isValid() || !provider->isWritable() || args[0] >= provider->getActualSize())
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return std::nullopt;
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if (args[1] > 0xFF)
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return std::nullopt;
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u8 value = args[1];
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provider->write(args[0], &value, sizeof(u8));
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return std::nullopt;
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},
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2,
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2);
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return evaluator;
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}();
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enum class MathDisplayType : u8 {
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Standard,
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Scientific,
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Engineering,
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Programmer
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} mathDisplayType = MathDisplayType::Standard;
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if (ImGui::BeginTabBar("##mathFormatTabBar")) {
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if (ImGui::BeginTabItem("hex.builtin.tools.format.standard"_lang)) {
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mathDisplayType = MathDisplayType::Standard;
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("hex.builtin.tools.format.scientific"_lang)) {
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mathDisplayType = MathDisplayType::Scientific;
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("hex.builtin.tools.format.engineering"_lang)) {
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mathDisplayType = MathDisplayType::Engineering;
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("hex.builtin.tools.format.programmer"_lang)) {
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mathDisplayType = MathDisplayType::Programmer;
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ImGui::EndTabItem();
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}
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ImGui::EndTabBar();
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}
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if (ImGui::BeginTable("##mathWrapper", 3)) {
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ImGui::TableSetupColumn("##keypad", ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize);
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ImGui::TableSetupColumn("##results", ImGuiTableColumnFlags_WidthStretch, 0.666);
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ImGui::TableSetupColumn("##variables", ImGuiTableColumnFlags_WidthStretch, 0.666);
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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auto buttonSize = ImVec2(3, 2) * ImGui::GetTextLineHeightWithSpacing();
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if (ImGui::Button("Ans", buttonSize)) mathInput += "ans";
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ImGui::SameLine();
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if (ImGui::Button("Pi", buttonSize)) mathInput += "pi";
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ImGui::SameLine();
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if (ImGui::Button("e", buttonSize)) mathInput += "e";
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ImGui::SameLine();
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if (ImGui::Button("CE", buttonSize)) mathInput.clear();
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ImGui::SameLine();
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if (ImGui::Button(ICON_FA_BACKSPACE, buttonSize)) mathInput.clear();
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ImGui::SameLine();
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ImGui::NewLine();
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switch (mathDisplayType) {
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case MathDisplayType::Standard:
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case MathDisplayType::Scientific:
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case MathDisplayType::Engineering:
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if (ImGui::Button("x²", buttonSize)) mathInput += "** 2";
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ImGui::SameLine();
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if (ImGui::Button("1/x", buttonSize)) mathInput += "1/";
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ImGui::SameLine();
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if (ImGui::Button("|x|", buttonSize)) mathInput += "abs";
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ImGui::SameLine();
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if (ImGui::Button("exp", buttonSize)) mathInput += "e ** ";
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ImGui::SameLine();
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if (ImGui::Button("%", buttonSize)) mathInput += "%";
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ImGui::SameLine();
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break;
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case MathDisplayType::Programmer:
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if (ImGui::Button("<<", buttonSize)) mathInput += "<<";
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ImGui::SameLine();
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if (ImGui::Button(">>", buttonSize)) mathInput += ">>";
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ImGui::SameLine();
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if (ImGui::Button("&", buttonSize)) mathInput += "&";
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ImGui::SameLine();
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if (ImGui::Button("|", buttonSize)) mathInput += "|";
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ImGui::SameLine();
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if (ImGui::Button("^", buttonSize)) mathInput += "^";
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ImGui::SameLine();
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break;
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}
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ImGui::NewLine();
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if (ImGui::Button("sqrt", buttonSize)) mathInput += "sqrt";
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ImGui::SameLine();
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if (ImGui::Button("(", buttonSize)) mathInput += "(";
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ImGui::SameLine();
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if (ImGui::Button(")", buttonSize)) mathInput += ")";
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ImGui::SameLine();
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if (ImGui::Button("sign", buttonSize)) mathInput += "sign";
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ImGui::SameLine();
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if (ImGui::Button("÷", buttonSize)) mathInput += "/";
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ImGui::SameLine();
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ImGui::NewLine();
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if (ImGui::Button("xª", buttonSize)) mathInput += "**";
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ImGui::SameLine();
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if (ImGui::Button("7", buttonSize)) mathInput += "7";
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ImGui::SameLine();
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if (ImGui::Button("8", buttonSize)) mathInput += "8";
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ImGui::SameLine();
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if (ImGui::Button("9", buttonSize)) mathInput += "9";
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ImGui::SameLine();
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if (ImGui::Button("×", buttonSize)) mathInput += "*";
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ImGui::SameLine();
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ImGui::NewLine();
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if (ImGui::Button("log", buttonSize)) mathInput += "log";
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ImGui::SameLine();
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if (ImGui::Button("4", buttonSize)) mathInput += "4";
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ImGui::SameLine();
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if (ImGui::Button("5", buttonSize)) mathInput += "5";
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ImGui::SameLine();
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if (ImGui::Button("6", buttonSize)) mathInput += "6";
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ImGui::SameLine();
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if (ImGui::Button("-", buttonSize)) mathInput += "-";
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ImGui::SameLine();
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ImGui::NewLine();
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if (ImGui::Button("ln", buttonSize)) mathInput += "ln";
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ImGui::SameLine();
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if (ImGui::Button("1", buttonSize)) mathInput += "1";
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ImGui::SameLine();
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if (ImGui::Button("2", buttonSize)) mathInput += "2";
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ImGui::SameLine();
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if (ImGui::Button("3", buttonSize)) mathInput += "3";
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ImGui::SameLine();
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if (ImGui::Button("+", buttonSize)) mathInput += "+";
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ImGui::SameLine();
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ImGui::NewLine();
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if (ImGui::Button("lb", buttonSize)) mathInput += "lb";
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ImGui::SameLine();
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if (ImGui::Button("x=", buttonSize)) mathInput += "=";
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ImGui::SameLine();
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if (ImGui::Button("0", buttonSize)) mathInput += "0";
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ImGui::SameLine();
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if (ImGui::Button(".", buttonSize)) mathInput += ".";
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ImGui::SameLine();
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ImGui::PushStyleColor(ImGuiCol_Button, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButtonHovered));
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButton));
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButtonActive));
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if (ImGui::Button("=", buttonSize)) evaluate = true;
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ImGui::SameLine();
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ImGui::PopStyleColor(3);
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ImGui::NewLine();
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ImGui::TableNextColumn();
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if (ImGui::BeginTable("##mathHistory", 1, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 300))) {
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ImGui::TableSetupColumn("hex.builtin.tools.history"_lang);
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ImGui::TableSetupScrollFreeze(0, 1);
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ImGuiListClipper clipper;
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clipper.Begin(mathHistory.size());
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ImGui::TableHeadersRow();
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while (clipper.Step()) {
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for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
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if (i == 0)
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ImGui::PushStyleColor(ImGuiCol_Text, ImU32(ImColor(0xA5, 0x45, 0x45)));
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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switch (mathDisplayType) {
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case MathDisplayType::Standard:
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ImGuiExt::TextFormatted("{0:.3Lf}", mathHistory[(mathHistory.size() - 1) - i]);
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break;
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case MathDisplayType::Scientific:
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ImGuiExt::TextFormatted("{0:.6Lg}", mathHistory[(mathHistory.size() - 1) - i]);
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break;
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case MathDisplayType::Engineering:
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ImGuiExt::TextFormatted("{0}", hex::toEngineeringString(mathHistory[(mathHistory.size() - 1) - i]).c_str());
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break;
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case MathDisplayType::Programmer:
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ImGuiExt::TextFormatted("0x{0:X} ({1})",
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u64(mathHistory[(mathHistory.size() - 1) - i]),
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u64(mathHistory[(mathHistory.size() - 1) - i]));
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break;
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}
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if (i == 0)
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ImGui::PopStyleColor();
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}
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}
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clipper.End();
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ImGui::EndTable();
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}
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ImGui::TableNextColumn();
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if (ImGui::BeginTable("##mathVariables", 2, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 300))) {
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ImGui::TableSetupColumn("hex.builtin.tools.name"_lang);
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ImGui::TableSetupColumn("hex.builtin.tools.value"_lang);
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ImGui::TableSetupScrollFreeze(0, 1);
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ImGui::TableHeadersRow();
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for (const auto &[name, variable] : mathEvaluator.getVariables()) {
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const auto &[value, constant] = variable;
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if (constant)
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continue;
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::TextUnformatted(name.c_str());
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ImGui::TableNextColumn();
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switch (mathDisplayType) {
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case MathDisplayType::Standard:
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ImGuiExt::TextFormatted("{0:.3Lf}", value);
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break;
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case MathDisplayType::Scientific:
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ImGuiExt::TextFormatted("{0:.6Lg}", value);
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break;
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case MathDisplayType::Engineering:
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ImGuiExt::TextFormatted("{}", hex::toEngineeringString(value));
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break;
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case MathDisplayType::Programmer:
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ImGuiExt::TextFormatted("0x{0:X} ({1})", u64(value), u64(value));
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break;
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}
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}
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ImGui::EndTable();
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}
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ImGui::EndTable();
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}
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ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x);
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if (ImGuiExt::InputTextIcon("##input", ICON_VS_SYMBOL_OPERATOR, mathInput, ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_AutoSelectAll)) {
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ImGui::SetKeyboardFocusHere();
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evaluate = true;
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}
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ImGui::PopItemWidth();
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if (!lastMathError.empty())
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ImGuiExt::TextFormattedColored(ImColor(0xA00040FF), "hex.builtin.tools.error"_lang, lastMathError);
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else
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ImGui::NewLine();
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if (evaluate) {
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try {
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auto result = mathEvaluator.evaluate(mathInput);
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mathInput.clear();
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if (result.has_value()) {
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mathHistory.push_back(result.value());
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lastMathError.clear();
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} else {
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lastMathError = mathEvaluator.getLastError().value_or("");
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}
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} catch (std::invalid_argument &e) {
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lastMathError = e.what();
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}
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}
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}
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}
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}
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