key_mapping_editor.hpp

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#pragma once

 
#include <pulp/view/command_registry.hpp>
#include <pulp/view/view.hpp>
 
#include <functional>
#include <string>
 
namespace pulp::state { class PropertiesFile; }
 
namespace pulp::view {
 
class KeyMappingEditor : public View {
public:
    explicit KeyMappingEditor(CommandRegistry& registry);

    void set_persistence(pulp::state::PropertiesFile* props,
                         std::string auto_save_path = {});

    void set_persistence_prefix(std::string prefix);
 
    // ── Selection / capture state ───────────────────────────────────

    void begin_capture(CommandID id);

    void cancel_capture();

    bool is_capturing() const { return capture_id_ != kInvalidCommandID; }

    CommandID capturing_command() const { return capture_id_; }

    void rebind(CommandID id, KeyCode key, std::uint16_t modifiers);
 
    // ── Optional callbacks ──────────────────────────────────────────

    std::function<void(CommandID, KeyCode, std::uint16_t)> on_rebound;
 
    // ── View overrides ──────────────────────────────────────────────
 
    void paint(canvas::Canvas& canvas) override;
    void on_mouse_down(Point pos) override;
    bool on_key_event(const KeyEvent& event) override;
    bool accepts_text_input() const override { return is_capturing(); }
    bool wants_mouse_input() const override { return true; }

    float row_height() const { return row_height_; }
    void set_row_height(float h) { row_height_ = h > 4.0f ? h : 4.0f; }

    float intrinsic_height() const override;
 
private:
    void commit(CommandID id, KeyCode key, std::uint16_t modifiers);
    int row_at(float y) const;
 
    CommandRegistry& registry_;
    pulp::state::PropertiesFile* props_ = nullptr;
    std::string auto_save_path_;
    std::string persistence_prefix_ = "shortcuts";
 
    CommandID capture_id_ = kInvalidCommandID;
    float row_height_ = 28.0f;
};

std::string format_chord(KeyCode key, std::uint16_t modifiers);
 
} // namespace pulp::view