ImHex/plugins/builtin/include/content/views/view_command_palette.hpp

#pragma once

#include <hex/ui/view.hpp>

#include <imgui.h>

#include <vector>

namespace hex::plugin::builtin {

    class ViewCommandPalette : public View::Special {
    public:
        ViewCommandPalette();
        ~ViewCommandPalette() override = default;

        void drawContent() override {}
        void drawAlwaysVisibleContent() override;

        [[nodiscard]] bool shouldDraw() const override { return false; }
        [[nodiscard]] bool shouldProcess() const override { return true; }

        [[nodiscard]] bool hasViewMenuItemEntry() const override { return false; }
        [[nodiscard]] ImVec2 getMinSize() const override { return ImVec2(std::min(ImHexApi::System::getMainWindowSize().x, 600_scaled), 150_scaled); }
        [[nodiscard]] ImVec2 getMaxSize() const override { return this->getMinSize(); }

    private:
        enum class MatchType
        {
            NoMatch,
            InfoMatch,
            PartialMatch,
            PerfectMatch
        };

        struct CommandResult {
            std::string displayResult;
            std::string matchedCommand;
            std::function<void(std::string)> executeCallback;
        };

        bool m_commandPaletteOpen = false;
        bool m_justOpened         = false;
        bool m_focusInputTextBox  = false;
        bool m_moveCursorToEnd    = false;

        std::string m_commandBuffer;
        std::vector<CommandResult> m_lastResults;
        std::string m_exactResult;

        void focusInputTextBox() {
            m_focusInputTextBox = true;
        }

        std::vector<CommandResult> getCommandResults(const std::string &input);
    };

}