RADTheme.h

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#ifndef RADTHEME_H
#define RADTHEME_H
 
#pragma once
 
#include <RADCore/RADCore.h>
 
#include <map>
#include <string>
 
namespace RADUi {
 
    enum class ThemeMode {
        Light,
        Dark,
        System
    };
 
    struct ThemeColors {
        std::string window = "#f6f7f9";
        std::string panel = "#ffffff";
        std::string panelAlt = "#eef1f5";
        std::string text = "#1d2733";
        std::string mutedText = "#667085";
        std::string border = "#cfd6df";
        std::string accent = "#2563eb";
        std::string success = "#15803d";
        std::string warning = "#b45309";
        std::string error = "#b91c1c";
    };
 
    struct ThemeMetrics {
        int gapSmall = 4;
        int gap = 8;
        int gapLarge = 12;
        int padding = 10;
        int radius = 6;
        int toolbarHeight = 36;
        int statusBarHeight = 26;
    };
 
    struct ThemeTypography {
        int bodySize = 13;
        int labelSize = 12;
        int headingSize = 17;
        int monoSize = 13;
        std::string bodyFamily = "Inter, Sans";
        std::string monoFamily = "Monospace";
    };
 
    struct Theme {
        std::string id = "light";
        std::string name = "Light";
        ThemeColors colors;
        ThemeMetrics metrics;
        ThemeTypography typography;
        std::map<std::string, std::string> icons;
    };
 
    class ThemeManager : public RADCore::RADObject {
    public:
        RADEvents:
            RAD_EVENT(changed, ());
 
        ThemeManager();
 
        ThemeMode mode() const;
        void setMode(ThemeMode mode);
        const Theme& theme() const;
        void setTheme(Theme theme);
 
        bool loadFromFile(const std::string& path, std::string* error = nullptr);
        bool saveToFile(const std::string& path, std::string* error = nullptr) const;
 
        static Theme lightTheme();
        static Theme darkTheme();
        static RADCore::RADJsonValue toJson(const Theme& theme);
        static Theme fromJson(const RADCore::RADJsonValue& value, const Theme& defaults = lightTheme());
        static std::string modeName(ThemeMode mode);
        static ThemeMode modeFromName(const std::string& name);
 
    private:
        ThemeMode mode_ = ThemeMode::Light;
        Theme theme_;
    };
 
} // namespace RADUi
 
#endif