preferencesDialog.h

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#ifndef PREFERENCESDIALOG_H
#define PREFERENCESDIALOG_H
 
#include <QCheckBox>
#include <QComboBox>
#include <QDialog>
#include <QLabel>
#include <QListWidget>
#include <QPushButton>
#include <QSettings>
#include <QSpinBox>
#include <QStackedWidget>
#include <QString>
#include <QVBoxLayout>
 
namespace nsbaci::ui {

enum class Theme { Dark, Light };

struct Preferences {
  // Appearance
  Theme theme = Theme::Dark;
  int editorFontSize = 11;
 
  // Editor
  int tabWidth = 4;
  bool showLineNumbers = true;
  bool wordWrap = false;
 
  // General
  bool restoreLastFile = false;
  QString lastFilePath;
};

class PreferencesDialog : public QDialog {
  Q_OBJECT
 
 public:
  explicit PreferencesDialog(const Preferences& current,
                             QWidget* parent = nullptr);
  ~PreferencesDialog() override = default;

  Preferences result() const;
 
  // ---- Static persistence helpers ----

  static Preferences load();

  static void save(const Preferences& prefs);
 
 signals:
  void preferencesChanged(const nsbaci::ui::Preferences& prefs);
 
 private slots:
  void onCategoryChanged(int currentRow);
  void onAccept();
  void onRestoreDefaults();
 
 private:
  void setupUi();
  QWidget* createAppearancePage();
  QWidget* createEditorPage();
  QWidget* createGeneralPage();
  void applyDialogStyle();
  void populateFromPreferences(const Preferences& prefs);
 
  // UI elements
  QListWidget* categoryList = nullptr;
  QStackedWidget* pages = nullptr;
 
  // Appearance widgets
  QComboBox* themeCombo = nullptr;
  QSpinBox* fontSizeSpin = nullptr;
 
  // Editor widgets
  QComboBox* tabWidthCombo = nullptr;
  QCheckBox* lineNumbersCheck = nullptr;
  QCheckBox* wordWrapCheck = nullptr;
 
  // General widgets
  QCheckBox* restoreLastFileCheck = nullptr;
 
  QPushButton* okButton = nullptr;
  QPushButton* cancelButton = nullptr;
  QPushButton* defaultsButton = nullptr;
 
  // Snapshot of the preferences we were opened with
  Preferences currentPrefs;
};
 
}  // namespace nsbaci::ui
 
#endif  // PREFERENCESDIALOG_H