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mirror of synced 2024-11-25 16:20:23 +01:00
ImHex/plugins/builtin/source/content/views/view_patches.cpp
2023-11-10 20:47:08 +01:00

134 lines
5.3 KiB
C++

#include "content/views/view_patches.hpp"
#include <hex/providers/provider.hpp>
#include <hex/api/project_file_manager.hpp>
#include <nlohmann/json.hpp>
#include <string>
using namespace std::literals::string_literals;
namespace hex::plugin::builtin {
ViewPatches::ViewPatches() : View("hex.builtin.view.patches.name") {
ProjectFile::registerPerProviderHandler({
.basePath = "patches.json",
.required = false,
.load = [](prv::Provider *provider, const std::fs::path &basePath, Tar &tar) {
auto json = nlohmann::json::parse(tar.readString(basePath));
provider->getPatches() = json.at("patches").get<std::map<u64, u8>>();
return true;
},
.store = [](prv::Provider *provider, const std::fs::path &basePath, Tar &tar) {
nlohmann::json json;
json["patches"] = provider->getPatches();
tar.writeString(basePath, json.dump(4));
return true;
}
});
ImHexApi::HexEditor::addForegroundHighlightingProvider([](u64 offset, const u8* buffer, size_t, bool) -> std::optional<color_t> {
hex::unused(buffer);
if (!ImHexApi::Provider::isValid())
return std::nullopt;
auto provider = ImHexApi::Provider::get();
u8 byte = 0x00;
provider->read(offset, &byte, sizeof(u8), false);
const auto &patches = provider->getPatches();
if (patches.contains(offset) && patches.at(offset) != byte)
return ImGui::GetCustomColorU32(ImGuiCustomCol_Patches);
else
return std::nullopt;
});
EventManager::subscribe<EventProviderSaved>([](auto *) {
EventManager::post<EventHighlightingChanged>();
});
}
void ViewPatches::drawContent() {
if (ImGui::Begin(View::toWindowName("hex.builtin.view.patches.name").c_str(), &this->getWindowOpenState(), ImGuiWindowFlags_NoCollapse)) {
auto provider = ImHexApi::Provider::get();
if (ImHexApi::Provider::isValid() && provider->isReadable()) {
if (ImGui::BeginTable("##patchesTable", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_Sortable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_RowBg | ImGuiTableFlags_ScrollY)) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("hex.builtin.view.patches.offset"_lang);
ImGui::TableSetupColumn("hex.builtin.view.patches.orig"_lang);
ImGui::TableSetupColumn("hex.builtin.view.patches.patch"_lang);
ImGui::TableHeadersRow();
auto &patches = provider->getPatches();
u32 index = 0;
ImGuiListClipper clipper;
clipper.Begin(patches.size());
while (clipper.Step()) {
auto iter = patches.begin();
for (auto i = 0; i < clipper.DisplayStart; i++)
++iter;
for (auto i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
const auto &[address, patch] = *iter;
ImGui::TableNextRow();
ImGui::TableNextColumn();
if (ImGui::Selectable(("##patchLine" + std::to_string(index)).c_str(), false, ImGuiSelectableFlags_SpanAllColumns)) {
ImHexApi::HexEditor::setSelection(address, 1);
}
if (ImGui::IsMouseReleased(1) && ImGui::IsItemHovered()) {
ImGui::OpenPopup("PatchContextMenu");
this->m_selectedPatch = address;
}
ImGui::SameLine();
ImGui::TextFormatted("0x{0:08X}", address);
ImGui::TableNextColumn();
u8 previousValue = 0x00;
provider->readRaw(address, &previousValue, sizeof(u8));
ImGui::TextFormatted("0x{0:02X}", previousValue);
ImGui::TableNextColumn();
ImGui::TextFormatted("0x{0:02X}", patch);
index += 1;
iter++;
}
}
if (ImGui::BeginPopup("PatchContextMenu")) {
if (ImGui::MenuItem("hex.builtin.view.patches.remove"_lang)) {
patches.erase(this->m_selectedPatch);
}
ImGui::EndPopup();
}
ImGui::EndTable();
}
}
}
ImGui::End();
}
void ViewPatches::drawAlwaysVisible() {
if (auto provider = ImHexApi::Provider::get(); provider != nullptr) {
const auto &patches = provider->getPatches();
if (this->m_numPatches.get(provider) != patches.size()) {
this->m_numPatches.get(provider) = patches.size();
EventManager::post<EventHighlightingChanged>();
}
}
}
}