62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
#pragma once
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#include <hex.hpp>
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#include <vector>
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#include <string>
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#include <atomic>
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#include <hex/api/task_manager.hpp>
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#include <imgui.h>
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#include <hex/ui/imgui_imhex_extensions.h>
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namespace hex::ui {
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template<typename T>
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class SearchableWidget {
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public:
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SearchableWidget(const std::function<bool(const std::string&, const T&)> &comparator) : m_comparator(comparator) {
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}
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const std::vector<const T*> &draw(const auto &entries) {
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if (this->m_filteredEntries.empty() && this->m_searchBuffer.empty()) {
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for (auto &entry : entries)
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this->m_filteredEntries.push_back(&entry);
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}
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if (ImGui::InputText("##search", this->m_searchBuffer)) {
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this->m_pendingUpdate = true;
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}
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if (this->m_pendingUpdate && !this->m_updateTask.isRunning()) {
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this->m_pendingUpdate = false;
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this->m_filteredEntries.clear();
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this->m_filteredEntries.reserve(entries.size());
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this->m_updateTask = TaskManager::createBackgroundTask("Searching", [this, &entries, searchBuffer = this->m_searchBuffer](Task&) {
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for (auto &entry : entries) {
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if (searchBuffer.empty() || this->m_comparator(searchBuffer, entry))
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this->m_filteredEntries.push_back(&entry);
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}
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});
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}
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return this->m_filteredEntries;
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}
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void reset() {
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this->m_filteredEntries.clear();
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}
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private:
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std::atomic<bool> m_pendingUpdate = false;
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TaskHolder m_updateTask;
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std::string m_searchBuffer;
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std::vector<const T*> m_filteredEntries;
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std::function<bool(const std::string&, const T&)> m_comparator;
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};
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} |