ui/core/theme_manager.h

Singleton manager for CF UI theme registration and application. More...

Namespaces

Name
cf
cf::ui
cf::ui::core

Classes

	Name
class	cf::ui::core::ThemeManager Singleton manager for CF UI theme registration and application.

Detailed Description

Singleton manager for CF UI theme registration and application.

Author: N/A

Version: N/A

Since: N/A

Date: N/A

ThemeManager manages theme factory registration, theme creation, and application of themes to widgets. Emits signals when the theme changes.

Source code

#pragma once
#include "export.h"
#include "theme.h"
#include "theme_factory.h"
#include <QObject>
#include <QtWidgets/qwidget.h>
#include <functional>
#include <memory>
#include <unordered_map>
#include <unordered_set>

namespace cf::ui::core {

class CF_UI_EXPORT ThemeManager : public QObject {
    Q_OBJECT
  public:
    static ThemeManager& instance();

    const ICFTheme& theme(const std::string& name) const;

    using InstallerMaker = std::function<std::unique_ptr<ThemeFactory>()>;

    bool insert_one(const std::string& name, InstallerMaker make_one);

    void remove_one(const std::string& name);

    void install_widget(QWidget* w);

    void remove_widget(QWidget* w);

    void setThemeTo(const std::string& name, bool doBroadcast = true);

    const std::string& currentThemeName() const;

  signals:
    void themeChanged(const ICFTheme& new_theme);

  private:
    ThemeManager(QObject* parent = nullptr);

    ~ThemeManager() override = default;

    ThemeManager(const ThemeManager&) = delete;

    ThemeManager& operator=(const ThemeManager&) = delete;

    std::unordered_set<QWidget*> installed_widget;

    std::unordered_map<std::string, std::unique_ptr<ThemeFactory>> factories_;

    std::unordered_map<std::string, std::unique_ptr<ICFTheme>> theme_cache_;

    std::string current_theme_name_;
};

} // namespace cf::ui::core

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Updated on 2026-03-09 at 10:14:01 +0000