PalettePanel.h

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// SPDX-FileCopyrightText: 2026 Valentin Eloy
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <QPixmap>
#include <QWidget>
#include <filesystem>
#include <memory>
#include <string>
#include <unordered_map>
 
#include "Core/Levels/TileType.h"
#include "HMI/Graphics/RenderMode.h"
#include "HMI/Graphics/SkinCatalog.h"

 
class QEvent;
class QModelIndex;
class QStandardItemModel;
class QTreeView;
 
namespace Ui {
class PalettePanel;
}
 
namespace hmi {
 
class Localization;

class PalettePanel : public QWidget {
    Q_OBJECT
 
public:
    explicit PalettePanel(QWidget* parent = nullptr);

    ~PalettePanel() override;

    [[nodiscard]] core::TileType selectedTile() const noexcept {
        return _selected;
    }

    void retranslateUi(const Localization& loc);

    void setSkinSource(std::filesystem::path skinsDirectory, const SkinCatalog* catalog);

    void refreshThumbnails(RenderMode mode, const std::string& setName);

    void clearThumbnailCache();
 
signals:
    void tileSelected(core::TileType type);
 
protected:
    bool event(QEvent* event) override;
 
private:
    void buildModel();
    void onCurrentChanged(const QModelIndex& current);
    [[nodiscard]] QPixmap thumbnailFor(core::TileType type);

    std::unique_ptr<Ui::PalettePanel> _ui;
    QTreeView* _tree;
    QStandardItemModel* _model;
    core::TileType _selected = core::TileType::Solid;
    const Localization* _loc = nullptr;  
 
    std::filesystem::path _skinsDirectory;
    const SkinCatalog* _catalog = nullptr;  
    RenderMode _mode = DEFAULT_RENDER_MODE;
    std::string _skinSet;
    std::unordered_map<std::string, QPixmap> _decoded;
};
 
}  // namespace hmi