// Generated by gmmproc 2.86.0 -- DO NOT MODIFY!
#ifndef _GTKMM_CSSPROVIDER_H
#define _GTKMM_CSSPROVIDER_H


#include <glibmm/ustring.h>
#include <sigc++/sigc++.h>

/* Copyright (C) 2010 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <https://www.gnu.org/licenses/>.
 */

#include <gtkmm/styleprovider.h>
#include <gtkmm/csssection.h>
#include <glibmm/object.h>
#include <glibmm/bytes.h>
#include <giomm/file.h>


#ifndef DOXYGEN_SHOULD_SKIP_THIS
using GtkCssProvider = struct _GtkCssProvider;
using GtkCssProviderClass = struct _GtkCssProviderClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */


#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Gtk
{ class GTKMM_API CssProvider_Class; } // namespace Gtk
#endif //DOXYGEN_SHOULD_SKIP_THIS

namespace Gtk
{
/**  @newin{3,96}
 */
class CssParserError : public Glib::Error
{
public:
  /**  @var Code FAILED
   * Unknown failure.
   * 
   *  @var Code SYNTAX
   * The given text does not form valid syntax.
   * 
   *  @var Code IMPORT
   * Failed to import a resource.
   * 
   *  @var Code NAME
   * The given name has not been defined.
   * 
   *  @var Code UNKNOWN_VALUE
   * The given value is not correct.
   */
   /** Errors that can occur while parsing CSS.
   * 
   * These errors are unexpected and will cause parts of the given CSS
   * to be ignored.
   * 
   * @newin{3,96}
   */
  enum Code
  {
    FAILED,
    SYNTAX,
    IMPORT,
    NAME,
    UNKNOWN_VALUE
  };

  GTKMM_API CssParserError(Code error_code, const Glib::ustring& error_message);
  GTKMM_API explicit CssParserError(GError* gobject);
  GTKMM_API Code code() const;

#ifndef DOXYGEN_SHOULD_SKIP_THIS
private:

  GTKMM_API static void throw_func(GError* gobject);

  friend GTKMM_API void wrap_init(); // uses throw_func()

  #endif //DOXYGEN_SHOULD_SKIP_THIS
};

} // namespace Gtk

#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Glib
{

template <>
class GTKMM_API Value<Gtk::CssParserError::Code> : public Glib::Value_Enum<Gtk::CssParserError::Code>
{
public:
  static GType value_type() G_GNUC_CONST;
};

} // namespace Glib
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

namespace Gtk
{

/**  @newin{3,96}
 */
class CssParserWarning : public Glib::Error
{
public:
  /**  @var Code DEPRECATED
   * The given construct is
   * deprecated and will be removed in a future version.
   * 
   *  @var Code SYNTAX
   * A syntax construct was used
   * that should be avoided.
   * 
   *  @var Code UNIMPLEMENTED
   * A feature is not implemented.
   */
   /** Warnings that can occur while parsing CSS.
   * 
   * Unlike `Gtk::CssParserError`s, warnings do not cause the parser to
   * skip any input, but they indicate issues that should be fixed.
   * 
   * @newin{3,96}
   */
  enum Code
  {
    DEPRECATED,
    SYNTAX,
    UNIMPLEMENTED
  };

  GTKMM_API CssParserWarning(Code error_code, const Glib::ustring& error_message);
  GTKMM_API explicit CssParserWarning(GError* gobject);
  GTKMM_API Code code() const;

#ifndef DOXYGEN_SHOULD_SKIP_THIS
private:

  GTKMM_API static void throw_func(GError* gobject);

  friend GTKMM_API void wrap_init(); // uses throw_func()

  #endif //DOXYGEN_SHOULD_SKIP_THIS
};

} // namespace Gtk

#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Glib
{

template <>
class GTKMM_API Value<Gtk::CssParserWarning::Code> : public Glib::Value_Enum<Gtk::CssParserWarning::Code>
{
public:
  static GType value_type() G_GNUC_CONST;
};

} // namespace Glib
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

namespace Gtk
{


/** CSS-like styling for widgets, implementing the StyleProvider base class.
 *
 * It is able to parse <a href="https://www.w3.org/TR/CSS2">CSS</a>-like
 * input in order to style widgets.
 *
 * An application can cause GTK to parse a specific CSS style sheet by
 * calling load_from_file() and adding the provider with
 * StyleContext::add_provider() or StyleContext::add_provider_for_screen().
 * In addition, certain files will be read when GTK is initialized.
 * See the <a href="https://docs.gtk.org/gtk4/class.CssProvider.html">GtkCssProvider documentation</a>
 * for details of these default files and details of the stylesheets.
 *
 * @newin{3,0}
 */

class GTKMM_API CssProvider
  : public Glib::Object,
    public StyleProvider
{
  
#ifndef DOXYGEN_SHOULD_SKIP_THIS

public:
  using CppObjectType = CssProvider;
  using CppClassType = CssProvider_Class;
  using BaseObjectType = GtkCssProvider;
  using BaseClassType = GtkCssProviderClass;

  // noncopyable
  CssProvider(const CssProvider&) = delete;
  CssProvider& operator=(const CssProvider&) = delete;

private:  friend class CssProvider_Class;
  static CppClassType cssprovider_class_;

protected:
  explicit CssProvider(const Glib::ConstructParams& construct_params);
  explicit CssProvider(GtkCssProvider* castitem);

#endif /* DOXYGEN_SHOULD_SKIP_THIS */

public:

  CssProvider(CssProvider&& src) noexcept;
  CssProvider& operator=(CssProvider&& src) noexcept;

  ~CssProvider() noexcept override;

  /** Get the GType for this class, for use with the underlying GObject type system.
   */
  static GType get_type()      G_GNUC_CONST;

#ifndef DOXYGEN_SHOULD_SKIP_THIS


  static GType get_base_type() G_GNUC_CONST;
#endif

  ///Provides access to the underlying C GObject.
  GtkCssProvider*       gobj()       { return reinterpret_cast<GtkCssProvider*>(gobject_); }

  ///Provides access to the underlying C GObject.
  const GtkCssProvider* gobj() const { return reinterpret_cast<GtkCssProvider*>(gobject_); }

  ///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
  GtkCssProvider* gobj_copy();

private:

  
protected:
  CssProvider();
  

public:
  
  static Glib::RefPtr<CssProvider> create();


  /** Converts the @a provider into a string representation in CSS
   * format.
   * 
   * Using load_from_string() with the return
   * value from this function on a new provider created with
   * new() will basically create a duplicate
   * of this @a provider.
   * 
   * @return A new string representing the @a provider.
   */
  Glib::ustring to_string() const;

#ifndef GTKMM_DISABLE_DEPRECATED

  /** Loads @a data into this css provider, making it clear any previously loaded information.
   *
   * @deprecated 4.12: Use load_from_string() or load_from_bytes() instead.
   * @param data CSS data loaded in memory.
   */
  void load_from_data(const std::string& data);
#endif // GTKMM_DISABLE_DEPRECATED

  
  /** Loads @a string into @a css_provider.
   * 
   * This clears any previously loaded information.
   * 
   * @newin{4,12}
   * 
   * @param string The CSS to load.
   */
  void load_from_string(const std::string& string);
  
  /** Loads @a data into @a css_provider.
   * 
   * This clears any previously loaded information.
   * 
   * @newin{4,12}
   * 
   * @param data `Bytes` containing the data to load.
   */
  void load_from_bytes(const Glib::RefPtr<const Glib::Bytes>& data);
  
  /** Loads the data contained in @a file into @a css_provider.
   * 
   * This clears any previously loaded information.
   * 
   * @param file `Gio::File` pointing to a file to load.
   */
  void load_from_file(const Glib::RefPtr<const Gio::File>& file);
  
  /** Loads the data contained in @a path into @a css_provider.
   * 
   * This clears any previously loaded information.
   * 
   * @param path The path of a filename to load, in the GLib filename encoding.
   */
  void load_from_path(const std::string& path);
  
  /** Loads the data contained in the resource at @a resource_path into
   * the @a css_provider.
   * 
   * This clears any previously loaded information.
   * 
   * @param resource_path A `Gio::Resource` resource path.
   */
  void load_from_resource(const std::string& resource_path);

  
  /** Loads a theme from the usual theme paths.
   * 
   * The actual process of finding the theme might change between
   * releases, but it is guaranteed that this function uses the same
   * mechanism to load the theme that GTK uses for loading its own theme.
   * 
   * Deprecated: 4.20: Using any of the other theme loaders, combine with media queries.
   * 
   * @param name A theme name.
   * @param variant Variant to load, for example, "dark", or
   * <tt>nullptr</tt> for the default.
   */
  void load_named(const Glib::ustring& name, const Glib::ustring& variant);

 
  // no_default_handler because GtkCssProviderClass is private.
  
  /** @param error The parsing error. The referenced object usually belongs to a subclass
   *         of Glib::Error, such as Gtk::CssParserError or Gtk::CssParserWarning.
   *
   * @par Slot Prototype:
   * <tt>void on_my_%parsing_error(const Glib::RefPtr<const CssSection>& section, const Glib::Error& error)</tt>
   *
   * Flags: Run Last
   *
   * Signals that a parsing error occurred.
   * 
   * The expected error values are in the Gtk::CssParserError
   * and Gtk::CssParserWarning enumerations.
   * 
   * The @a path, @a line and @a position describe the actual location of
   * the error as accurately as possible.
   * 
   * Parsing errors are never fatal, so the parsing will resume after
   * the error. Errors may however cause parts of the given data or
   * even all of it to not be parsed at all. So it is a useful idea
   * to check that the parsing succeeds by connecting to this signal.
   * 
   * Errors in the Gtk::CssParserWarning enumeration should not
   * be treated as fatal errors.
   * 
   * Note that this signal may be emitted at any time as the css provider
   * may opt to defer parsing parts or all of the input to a later time
   * than when a loading function was called.
   * 
   * @param section Section the error happened in.
   * @param error The parsing error.
   */

  Glib::SignalProxy<void(const Glib::RefPtr<const CssSection>&, const Glib::Error&)> signal_parsing_error();


  /** Define the color scheme used for rendering the user interface.
   * 
   * The UI can be set to either Gtk::InterfaceColorScheme::LIGHT,
   * or Gtk::InterfaceColorScheme::DARK mode. Other values will
   * be interpreted the same as Gtk::InterfaceColorScheme::LIGHT.
   * 
   * This setting is be available for media queries in CSS:
   * 
   * 
   * [C example ellipted]
   * 
   * Changing this setting will reload the style sheet.
   * 
   * @newin{4,20}
   *
   * Default value: Gtk::InterfaceColorScheme::DEFAULT
   *
   * @return A PropertyProxy that allows you to get or set the value of the property,
   * or receive notification when the value of the property changes.
   */
  Glib::PropertyProxy< InterfaceColorScheme > property_prefers_color_scheme() ;

/** Define the color scheme used for rendering the user interface.
   * 
   * The UI can be set to either Gtk::InterfaceColorScheme::LIGHT,
   * or Gtk::InterfaceColorScheme::DARK mode. Other values will
   * be interpreted the same as Gtk::InterfaceColorScheme::LIGHT.
   * 
   * This setting is be available for media queries in CSS:
   * 
   * 
   * [C example ellipted]
   * 
   * Changing this setting will reload the style sheet.
   * 
   * @newin{4,20}
   *
   * Default value: Gtk::InterfaceColorScheme::DEFAULT
   *
   * @return A PropertyProxy_ReadOnly that allows you to get the value of the property,
   * or receive notification when the value of the property changes.
   */
  Glib::PropertyProxy_ReadOnly< InterfaceColorScheme > property_prefers_color_scheme() const;

  /** Define the contrast mode to use for the user interface.
   * 
   * When set to Gtk::InterfaceContrast::MORE or
   * Gtk::InterfaceContrast::LESS, the UI is rendered in
   * high or low contrast.
   * 
   * When set to Gtk::InterfaceContrast::NO_PREFERENCE (the default),
   * the user interface will be rendered in default mode.
   * 
   * This setting is be available for media queries in CSS:
   * 
   * 
   * [C example ellipted]
   * 
   * Changing this setting will reload the style sheet.
   * 
   * @newin{4,20}
   *
   * Default value: Gtk::InterfaceContrast::NO_PREFERENCE
   *
   * @return A PropertyProxy that allows you to get or set the value of the property,
   * or receive notification when the value of the property changes.
   */
  Glib::PropertyProxy< InterfaceContrast > property_prefers_contrast() ;

/** Define the contrast mode to use for the user interface.
   * 
   * When set to Gtk::InterfaceContrast::MORE or
   * Gtk::InterfaceContrast::LESS, the UI is rendered in
   * high or low contrast.
   * 
   * When set to Gtk::InterfaceContrast::NO_PREFERENCE (the default),
   * the user interface will be rendered in default mode.
   * 
   * This setting is be available for media queries in CSS:
   * 
   * 
   * [C example ellipted]
   * 
   * Changing this setting will reload the style sheet.
   * 
   * @newin{4,20}
   *
   * Default value: Gtk::InterfaceContrast::NO_PREFERENCE
   *
   * @return A PropertyProxy_ReadOnly that allows you to get the value of the property,
   * or receive notification when the value of the property changes.
   */
  Glib::PropertyProxy_ReadOnly< InterfaceContrast > property_prefers_contrast() const;

  /** Define the type of reduced motion to use for the user interface.
   * 
   * When set to Gtk::ReducedMotion::REDUCE the UI is rendered in
   * with reduced motion animations.
   * 
   * When set to Gtk::ReducedMotion::NO_PREFERENCE (the default),
   * the user interface will be rendered in default mode.
   * 
   * This setting is be available for media queries in CSS:
   * 
   * 
   * [C example ellipted]
   * 
   * Changing this setting will reload the style sheet.
   * 
   * @newin{4,22}
   *
   * Default value: Gtk::ReducedMotion::NO_PREFERENCE
   *
   * @return A PropertyProxy that allows you to get or set the value of the property,
   * or receive notification when the value of the property changes.
   */
  Glib::PropertyProxy< ReducedMotion > property_prefers_reduced_motion() ;

/** Define the type of reduced motion to use for the user interface.
   * 
   * When set to Gtk::ReducedMotion::REDUCE the UI is rendered in
   * with reduced motion animations.
   * 
   * When set to Gtk::ReducedMotion::NO_PREFERENCE (the default),
   * the user interface will be rendered in default mode.
   * 
   * This setting is be available for media queries in CSS:
   * 
   * 
   * [C example ellipted]
   * 
   * Changing this setting will reload the style sheet.
   * 
   * @newin{4,22}
   *
   * Default value: Gtk::ReducedMotion::NO_PREFERENCE
   *
   * @return A PropertyProxy_ReadOnly that allows you to get the value of the property,
   * or receive notification when the value of the property changes.
   */
  Glib::PropertyProxy_ReadOnly< ReducedMotion > property_prefers_reduced_motion() const;


public:

public:
  //C++ methods used to invoke GTK+ virtual functions:

protected:
  //GTK+ Virtual Functions (override these to change behaviour):

  //Default Signal Handlers::


};

} // namespace Gtk


namespace Glib
{
  /** A Glib::wrap() method for this object.
   *
   * @param object The C instance.
   * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
   * @result A C++ instance that wraps this C instance.
   *
   * @relates Gtk::CssProvider
   */
  GTKMM_API
  Glib::RefPtr<Gtk::CssProvider> wrap(GtkCssProvider* object, bool take_copy = false);
}


#endif /* _GTKMM_CSSPROVIDER_H */

