ImGuiPalette.hh

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#ifndef IMGUI_PALETTE_HH
#define IMGUI_PALETTE_HH
 
#include "ImGuiCpp.hh"
#include "ImGuiPart.hh"
 
#include <array>
#include <cstdint>
#include <span>
 
namespace openmsx {
 
class VDP;
 
class ImGuiPalette final : public ImGuiPart
{
public:
        explicit ImGuiPalette(ImGuiManager& manager_);
 
        [[nodiscard]] zstring_view iniName() const override { return "Palette editor"; }
        void save(ImGuiTextBuffer& buf) override;
        void loadLine(std::string_view name, zstring_view value) override;
        void paint(MSXMotherBoard* motherBoard) override;
 
        std::span<const uint16_t, 16> getPalette(const VDP* vdp) const;
        static uint32_t toRGBA(uint16_t msxColor);
 
public:
        im::WindowStatus window;
        int whichPalette = PALETTE_VDP;
 
private:
        static constexpr int PALETTE_VDP = 0;
        static constexpr int PALETTE_CUSTOM = 1;
        static constexpr int PALETTE_FIXED = 2;
        int selectedColor = 0;
 
        std::array<uint16_t, 16> customPalette; // palette in MSX format: 0GRB nibbles
 
        static constexpr auto persistentElements = std::tuple{
                PersistentElement   {"show",    &ImGuiPalette::window},
                PersistentElementMax{"palette", &ImGuiPalette::whichPalette, 3}
                // manually handle "customPalette"
        };
};
 
} // namespace openmsx
 
#endif