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ImHex/plugins/builtin/source/content/tools/math_eval.cpp

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refactor: Rename and update localization system
2023-11-21 14:38:01 +01:00
#include <hex/api/localization_manager.hpp>
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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#include <hex/api/imhex_api.hpp>
#include <hex/providers/provider.hpp>
#include <hex/ui/imgui_imhex_extensions.h>
#include <hex/helpers/utils.hpp>
#include <content/helpers/math_evaluator.hpp>
#include <imgui.h>
#include <fonts/fontawesome_font.h>
#include <fonts/codicons_font.h>
#include <vector>
#include <string>
namespace hex::plugin::builtin {
namespace impl {
void drawMathEvaluator() {
static std::vector<long double> mathHistory;
static std::string lastMathError;
static std::string mathInput;
bool evaluate = false;
static MathEvaluator<long double> mathEvaluator = [&] {
MathEvaluator<long double> evaluator;
evaluator.registerStandardVariables();
evaluator.registerStandardFunctions();
evaluator.setFunction(
"clear", [&](auto args) -> std::optional<long double> {
hex::unused(args);
mathHistory.clear();
lastMathError.clear();
mathEvaluator.getVariables().clear();
mathEvaluator.registerStandardVariables();
mathInput.clear();
return std::nullopt;
},
0,
0);
evaluator.setFunction(
"read", [](auto args) -> std::optional<long double> {
u8 value = 0;
auto provider = ImHexApi::Provider::get();
if (!ImHexApi::Provider::isValid() || !provider->isReadable() || args[0] >= provider->getActualSize())
return std::nullopt;
provider->read(args[0], &value, sizeof(u8));
return value;
},
1,
1);
evaluator.setFunction(
"write", [](auto args) -> std::optional<long double> {
auto provider = ImHexApi::Provider::get();
if (!ImHexApi::Provider::isValid() || !provider->isWritable() || args[0] >= provider->getActualSize())
return std::nullopt;
if (args[1] > 0xFF)
return std::nullopt;
u8 value = args[1];
provider->write(args[0], &value, sizeof(u8));
return std::nullopt;
},
2,
2);
return evaluator;
}();
enum class MathDisplayType : u8 {
Standard,
Scientific,
Engineering,
Programmer
} mathDisplayType = MathDisplayType::Standard;
if (ImGui::BeginTabBar("##mathFormatTabBar")) {
if (ImGui::BeginTabItem("hex.builtin.tools.format.standard"_lang)) {
mathDisplayType = MathDisplayType::Standard;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.builtin.tools.format.scientific"_lang)) {
mathDisplayType = MathDisplayType::Scientific;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.builtin.tools.format.engineering"_lang)) {
mathDisplayType = MathDisplayType::Engineering;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.builtin.tools.format.programmer"_lang)) {
mathDisplayType = MathDisplayType::Programmer;
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
if (ImGui::BeginTable("##mathWrapper", 3)) {
ImGui::TableSetupColumn("##keypad", ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize);
ImGui::TableSetupColumn("##results", ImGuiTableColumnFlags_WidthStretch, 0.666);
ImGui::TableSetupColumn("##variables", ImGuiTableColumnFlags_WidthStretch, 0.666);
ImGui::TableNextRow();
ImGui::TableNextColumn();
auto buttonSize = ImVec2(3, 2) * ImGui::GetTextLineHeightWithSpacing();
if (ImGui::Button("Ans", buttonSize)) mathInput += "ans";
ImGui::SameLine();
if (ImGui::Button("Pi", buttonSize)) mathInput += "pi";
ImGui::SameLine();
if (ImGui::Button("e", buttonSize)) mathInput += "e";
ImGui::SameLine();
if (ImGui::Button("CE", buttonSize)) mathInput.clear();
ImGui::SameLine();
if (ImGui::Button(ICON_FA_BACKSPACE, buttonSize)) mathInput.clear();
ImGui::SameLine();
ImGui::NewLine();
switch (mathDisplayType) {
case MathDisplayType::Standard:
case MathDisplayType::Scientific:
case MathDisplayType::Engineering:
if (ImGui::Button("x²", buttonSize)) mathInput += "** 2";
ImGui::SameLine();
if (ImGui::Button("1/x", buttonSize)) mathInput += "1/";
ImGui::SameLine();
if (ImGui::Button("|x|", buttonSize)) mathInput += "abs";
ImGui::SameLine();
if (ImGui::Button("exp", buttonSize)) mathInput += "e ** ";
ImGui::SameLine();
if (ImGui::Button("%", buttonSize)) mathInput += "%";
ImGui::SameLine();
break;
case MathDisplayType::Programmer:
if (ImGui::Button("<<", buttonSize)) mathInput += "<<";
ImGui::SameLine();
if (ImGui::Button(">>", buttonSize)) mathInput += ">>";
ImGui::SameLine();
if (ImGui::Button("&", buttonSize)) mathInput += "&";
ImGui::SameLine();
if (ImGui::Button("|", buttonSize)) mathInput += "|";
ImGui::SameLine();
if (ImGui::Button("^", buttonSize)) mathInput += "^";
ImGui::SameLine();
break;
}
ImGui::NewLine();
if (ImGui::Button("sqrt", buttonSize)) mathInput += "sqrt";
ImGui::SameLine();
if (ImGui::Button("(", buttonSize)) mathInput += "(";
ImGui::SameLine();
if (ImGui::Button(")", buttonSize)) mathInput += ")";
ImGui::SameLine();
if (ImGui::Button("sign", buttonSize)) mathInput += "sign";
ImGui::SameLine();
if (ImGui::Button("÷", buttonSize)) mathInput += "/";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("xª", buttonSize)) mathInput += "**";
ImGui::SameLine();
if (ImGui::Button("7", buttonSize)) mathInput += "7";
ImGui::SameLine();
if (ImGui::Button("8", buttonSize)) mathInput += "8";
ImGui::SameLine();
if (ImGui::Button("9", buttonSize)) mathInput += "9";
ImGui::SameLine();
if (ImGui::Button("×", buttonSize)) mathInput += "*";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("log", buttonSize)) mathInput += "log";
ImGui::SameLine();
if (ImGui::Button("4", buttonSize)) mathInput += "4";
ImGui::SameLine();
if (ImGui::Button("5", buttonSize)) mathInput += "5";
ImGui::SameLine();
if (ImGui::Button("6", buttonSize)) mathInput += "6";
ImGui::SameLine();
if (ImGui::Button("-", buttonSize)) mathInput += "-";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("ln", buttonSize)) mathInput += "ln";
ImGui::SameLine();
if (ImGui::Button("1", buttonSize)) mathInput += "1";
ImGui::SameLine();
if (ImGui::Button("2", buttonSize)) mathInput += "2";
ImGui::SameLine();
if (ImGui::Button("3", buttonSize)) mathInput += "3";
ImGui::SameLine();
if (ImGui::Button("+", buttonSize)) mathInput += "+";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("lb", buttonSize)) mathInput += "lb";
ImGui::SameLine();
if (ImGui::Button("x=", buttonSize)) mathInput += "=";
ImGui::SameLine();
if (ImGui::Button("0", buttonSize)) mathInput += "0";
ImGui::SameLine();
if (ImGui::Button(".", buttonSize)) mathInput += ".";
ImGui::SameLine();
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGui::PushStyleColor(ImGuiCol_Button, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButtonHovered));
ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButton));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButtonActive));
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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if (ImGui::Button("=", buttonSize)) evaluate = true;
ImGui::SameLine();
ImGui::PopStyleColor(3);
ImGui::NewLine();
ImGui::TableNextColumn();
if (ImGui::BeginTable("##mathHistory", 1, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 300))) {
ImGui::TableSetupColumn("hex.builtin.tools.history"_lang);
ImGui::TableSetupScrollFreeze(0, 1);
ImGuiListClipper clipper;
clipper.Begin(mathHistory.size());
ImGui::TableHeadersRow();
while (clipper.Step()) {
for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
if (i == 0)
ImGui::PushStyleColor(ImGuiCol_Text, ImU32(ImColor(0xA5, 0x45, 0x45)));
ImGui::TableNextRow();
ImGui::TableNextColumn();
switch (mathDisplayType) {
case MathDisplayType::Standard:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("{0:.3Lf}", mathHistory[(mathHistory.size() - 1) - i]);
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
case MathDisplayType::Scientific:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("{0:.6Lg}", mathHistory[(mathHistory.size() - 1) - i]);
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
case MathDisplayType::Engineering:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("{0}", hex::toEngineeringString(mathHistory[(mathHistory.size() - 1) - i]).c_str());
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
case MathDisplayType::Programmer:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("0x{0:X} ({1})",
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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u64(mathHistory[(mathHistory.size() - 1) - i]),
u64(mathHistory[(mathHistory.size() - 1) - i]));
break;
}
if (i == 0)
ImGui::PopStyleColor();
}
}
clipper.End();
ImGui::EndTable();
}
ImGui::TableNextColumn();
if (ImGui::BeginTable("##mathVariables", 2, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 300))) {
ImGui::TableSetupColumn("hex.builtin.tools.name"_lang);
ImGui::TableSetupColumn("hex.builtin.tools.value"_lang);
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableHeadersRow();
for (const auto &[name, variable] : mathEvaluator.getVariables()) {
const auto &[value, constant] = variable;
if (constant)
continue;
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::TextUnformatted(name.c_str());
ImGui::TableNextColumn();
switch (mathDisplayType) {
case MathDisplayType::Standard:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("{0:.3Lf}", value);
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
case MathDisplayType::Scientific:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("{0:.6Lg}", value);
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
case MathDisplayType::Engineering:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("{}", hex::toEngineeringString(value));
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
case MathDisplayType::Programmer:
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormatted("0x{0:X} ({1})", u64(value), u64(value));
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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break;
}
}
ImGui::EndTable();
}
ImGui::EndTable();
}
ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x);
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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if (ImGuiExt::InputTextIcon("##input", ICON_VS_SYMBOL_OPERATOR, mathInput, ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_AutoSelectAll)) {
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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ImGui::SetKeyboardFocusHere();
evaluate = true;
}
ImGui::PopItemWidth();
if (!lastMathError.empty())
refactor: Move custom ImGui functions to ImGuiExt namespace (#1427) Co-authored-by: Nik <werwolv98@gmail.com>
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ImGuiExt::TextFormattedColored(ImColor(0xA00040FF), "hex.builtin.tools.error"_lang, lastMathError);
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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else
ImGui::NewLine();
if (evaluate) {
try {
auto result = mathEvaluator.evaluate(mathInput);
mathInput.clear();
if (result.has_value()) {
mathHistory.push_back(result.value());
lastMathError.clear();
impr: Display math evaluator errors again
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} else {
lastMathError = mathEvaluator.getLastError().value_or("");
refactor: refactor tools_entries.cpp into several smaller files (#1418)
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}
} catch (std::invalid_argument &e) {
lastMathError = e.what();
}
}
}
}
}
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