# Gtk::StyleContext Class Reference

TODO. More...

Inheritance diagram for Gtk::StyleContext:
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Collaboration diagram for Gtk::StyleContext:
[legend]

List of all members.

## Public Member Functions

virtual | ~StyleContext ()
GtkStyleContext* | gobj ()
| Provides access to the underlying C GObject.
const GtkStyleContext* | gobj () const
| Provides access to the underlying C GObject.
GtkStyleContext* | gobj_copy ()
| Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
void | add_provider (const Glib::RefPtr< StyleProvider >& provider, guint priority)
void | remove_provider (const Glib::RefPtr< StyleProvider >& provider)
void | context_save ()
void | context_restore ()
void | set_state (StateFlags flags)
StateFlags | get_state () const
bool | state_is_running (StateType state, gdouble* progress)
void | set_path (const WidgetPath& path)
WidgetPath | get_path () const
void | add_class (const Glib::ustring& class_name)
void | remove_class (const Glib::ustring& class_name)
bool | has_class (const Glib::ustring& class_name)
GList* | list_regions ()
void | add_region (const Glib::ustring& region_name, RegionFlags flags)
void | remove_region (const Glib::ustring& region_name)
bool | has_region (const Glib::ustring& region_name, RegionFlags& flags_return)
Glib::RefPtr< IconSet > | lookup_icon_set (const Glib::ustring& stock_id)
void | set_screen (const Glib::RefPtr< Gdk::Screen >& screen)
Glib::RefPtr< Gdk::Screen > | get_screen ()
Glib::RefPtr< const Gdk::Screen > | get_screen () const
void | set_direction (TextDirection direction)
TextDirection | get_direction () const
void | set_junction_sides (JunctionSides sides)
JunctionSides | get_junction_sides () const
bool | lookup_color (const Glib::ustring& color_name, Gdk::RGBA& color)
void | notify_state_change (const Glib::RefPtr< Gdk::Window >& window, gpointer region_id, StateType state, bool state_value)
void | push_animatable_region (gpointer region_id)
void | pop_animatable_region ()
Gdk::RGBA | get_color (StateFlags state=(StateFlags) 0) const
Gdk::RGBA | get_background_color (StateFlags state=(StateFlags) 0) const
Gdk::RGBA | get_border_color (StateFlags state=(StateFlags) 0) const
Border | get_border (StateFlags state=(StateFlags) 0) const
Border | get_padding (StateFlags state=(StateFlags) 0) const
Border | get_margin (StateFlags state=(StateFlags) 0) const
void | invalidate ()
void | set_background (const Glib::RefPtr< Gdk::Window >& window)
void | render_check (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_option (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_arrow (const Cairo::RefPtr< Cairo::Context >& cr, double angle, double x, double y, double size)
void | render_background (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_frame (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_expander (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_focus (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_layout (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, PangoLayout* layout)
void | render_line (const Cairo::RefPtr< Cairo::Context >& cr, double x0, double y0, double x1, double y1)
void | render_slider (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height, Orientation orientation)
void | render_frame_gap (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height, PositionType gap_side, double xy0_gap, double xy1_gap)
void | render_extension (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height, PositionType gap_side)
void | render_handle (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
void | render_activity (const Cairo::RefPtr< Cairo::Context >& cr, double x, double y, double width, double height)
Glib::RefPtr< Gdk::Pixbuf > | render_icon_pixbuf (const IconSource& source, IconSize size)
Glib::SignalProxy0< void > | signal_changed ()
Glib::PropertyProxy < Glib::RefPtr< Gdk::Screen > > | property_screen ()
| The associated GdkScreen.
Glib::PropertyProxy_ReadOnly < Glib::RefPtr< Gdk::Screen > > | property_screen () const
| The associated GdkScreen.
Glib::PropertyProxy < TextDirection > | property_direction ()
| Text direction.
Glib::PropertyProxy_ReadOnly < TextDirection > | property_direction () const
| Text direction.

## Static Public Member Functions

static Glib::RefPtr< StyleContext > | create ()
static void | add_provider_for_screen (const Glib::RefPtr< Gdk::Screen >& screen, const Glib::RefPtr< StyleProvider >& provider, guint priority)
static void | remove_provider_for_screen (const Glib::RefPtr< Gdk::Screen >& screen, const Glib::RefPtr< StyleProvider >& provider)

## Protected Member Functions

| StyleContext ()
virtual void | on_changed ()

## Related Functions

(Note that these are not member functions.)
Glib::RefPtr< Gtk::StyleContext > | wrap (GtkStyleContext* object, bool take_copy=false)
| A Glib::wrap() method for this object.

## Detailed Description

TODO.

Since gtkmm 3.0:

## Constructor & Destructor Documentation

virtual Gtk::StyleContext::~StyleContext | ( | ) | `[virtual]`

Gtk::StyleContext::StyleContext | ( | ) | `[protected]`

## Member Function Documentation

void Gtk::StyleContext::add_class | ( | const Glib::ustring & | class_name ) |

void Gtk::StyleContext::add_provider | ( | const Glib::RefPtr< StyleProvider >& | provider,
|  | guint | priority
| ) |  |

static void Gtk::StyleContext::add_provider_for_screen | ( | const Glib::RefPtr< Gdk::Screen >& | screen,
|  | const Glib::RefPtr< StyleProvider >& | provider,
|  | guint | priority
| ) |  | `[static]`

void Gtk::StyleContext::add_region | ( | const Glib::ustring & | region_name,
|  | RegionFlags | flags
| ) |  |

void Gtk::StyleContext::context_restore | ( | ) |

void Gtk::StyleContext::context_save | ( | ) |

static Glib::RefPtr<StyleContext> Gtk::StyleContext::create | ( | ) | `[static]`

Gdk::RGBA Gtk::StyleContext::get_background_color | ( | StateFlags | state = `(StateFlags) 0` ) | const

Border Gtk::StyleContext::get_border | ( | StateFlags | state = `(StateFlags) 0` ) | const

Gdk::RGBA Gtk::StyleContext::get_border_color | ( | StateFlags | state = `(StateFlags) 0` ) | const

Gdk::RGBA Gtk::StyleContext::get_color | ( | StateFlags | state = `(StateFlags) 0` ) | const

TextDirection Gtk::StyleContext::get_direction | ( | ) | const

JunctionSides Gtk::StyleContext::get_junction_sides | ( | ) | const

Border Gtk::StyleContext::get_margin | ( | StateFlags | state = `(StateFlags) 0` ) | const

Border Gtk::StyleContext::get_padding | ( | StateFlags | state = `(StateFlags) 0` ) | const

WidgetPath Gtk::StyleContext::get_path | ( | ) | const

Glib::RefPtr<Gdk::Screen> Gtk::StyleContext::get_screen | ( | ) |

Glib::RefPtr<const Gdk::Screen> Gtk::StyleContext::get_screen | ( | ) | const

StateFlags Gtk::StyleContext::get_state | ( | ) | const

const GtkStyleContext* Gtk::StyleContext::gobj | ( | ) | const`[inline]`

Provides access to the underlying C GObject.

Reimplemented from Glib::ObjectBase.

GtkStyleContext* Gtk::StyleContext::gobj | ( | ) | `[inline]`

Provides access to the underlying C GObject.

Reimplemented from Glib::ObjectBase.

GtkStyleContext* Gtk::StyleContext::gobj_copy | ( | ) |

Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.

bool Gtk::StyleContext::has_class | ( | const Glib::ustring & | class_name ) |

bool Gtk::StyleContext::has_region | ( | const Glib::ustring & | region_name,
|  | RegionFlags& | flags_return
| ) |  |

void Gtk::StyleContext::invalidate | ( | ) |

GList* Gtk::StyleContext::list_regions | ( | ) |

bool Gtk::StyleContext::lookup_color | ( | const Glib::ustring & | color_name,
|  | Gdk::RGBA& | color
| ) |  |

Glib::RefPtr<IconSet> Gtk::StyleContext::lookup_icon_set | ( | const Glib::ustring & | stock_id ) |

void Gtk::StyleContext::notify_state_change | ( | const Glib::RefPtr< Gdk::Window >& | window,
|  | gpointer | region_id,
|  | StateType | state,
|  | bool | state_value
| ) |  |

virtual void Gtk::StyleContext::on_changed | ( | ) | `[protected, virtual]`

void Gtk::StyleContext::pop_animatable_region | ( | ) |

Glib::PropertyProxy<TextDirection> Gtk::StyleContext::property_direction | ( | ) |

Text direction.

You rarely need to use properties because there are get_ and set_ methods for almost all of them.

Returns:
  A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly<TextDirection> Gtk::StyleContext::property_direction | ( | ) | const

Text direction.

You rarely need to use properties because there are get_ and set_ methods for almost all of them.

Returns:
  A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes.

Glib::PropertyProxy_ReadOnly< Glib::RefPtr<Gdk::Screen> > Gtk::StyleContext::property_screen | ( | ) | const

The associated GdkScreen.

You rarely need to use properties because there are get_ and set_ methods for almost all of them.

Returns:
  A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes.

Glib::PropertyProxy< Glib::RefPtr<Gdk::Screen> > Gtk::StyleContext::property_screen | ( | ) |

The associated GdkScreen.

You rarely need to use properties because there are get_ and set_ methods for almost all of them.

Returns:
  A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes.

void Gtk::StyleContext::push_animatable_region | ( | gpointer | region_id ) |

void Gtk::StyleContext::remove_class | ( | const Glib::ustring & | class_name ) |

void Gtk::StyleContext::remove_provider | ( | const Glib::RefPtr< StyleProvider >& | provider ) |

static void Gtk::StyleContext::remove_provider_for_screen | ( | const Glib::RefPtr< Gdk::Screen >& | screen,
|  | const Glib::RefPtr< StyleProvider >& | provider
| ) |  | `[static]`

void Gtk::StyleContext::remove_region | ( | const Glib::ustring & | region_name ) |

void Gtk::StyleContext::render_activity | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_arrow | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | angle,
|  | double | x,
|  | double | y,
|  | double | size
| ) |  |

void Gtk::StyleContext::render_background | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_check | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_expander | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_extension | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height,
|  | PositionType | gap_side
| ) |  |

void Gtk::StyleContext::render_focus | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_frame | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_frame_gap | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height,
|  | PositionType | gap_side,
|  | double | xy0_gap,
|  | double | xy1_gap
| ) |  |

void Gtk::StyleContext::render_handle | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

Glib::RefPtr<Gdk::Pixbuf> Gtk::StyleContext::render_icon_pixbuf | ( | const IconSource& | source,
|  | IconSize | size
| ) |  |

void Gtk::StyleContext::render_layout | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | PangoLayout * | layout
| ) |  |

void Gtk::StyleContext::render_line | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x0,
|  | double | y0,
|  | double | x1,
|  | double | y1
| ) |  |

void Gtk::StyleContext::render_option | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height
| ) |  |

void Gtk::StyleContext::render_slider | ( | const Cairo::RefPtr< Cairo::Context > & | cr,
|  | double | x,
|  | double | y,
|  | double | width,
|  | double | height,
|  | Orientation | orientation
| ) |  |

void Gtk::StyleContext::set_background | ( | const Glib::RefPtr< Gdk::Window >& | window ) |

void Gtk::StyleContext::set_direction | ( | TextDirection | direction ) |

void Gtk::StyleContext::set_junction_sides | ( | JunctionSides | sides ) |

void Gtk::StyleContext::set_path | ( | const WidgetPath& | path ) |

void Gtk::StyleContext::set_screen | ( | const Glib::RefPtr< Gdk::Screen >& | screen ) |

void Gtk::StyleContext::set_state | ( | StateFlags | flags ) |

Glib::SignalProxy0< void > Gtk::StyleContext::signal_changed | ( | ) |

Prototype:
  `void on_my_changed()`

bool Gtk::StyleContext::state_is_running | ( | StateType | state,
|  | gdouble * | progress
| ) |  |

## Friends And Related Function Documentation

Glib::RefPtr< Gtk::StyleContext > wrap | ( | GtkStyleContext * | object,
|  | bool | take_copy = `false`
| ) |  | `[related]`

A Glib::wrap() method for this object.

Parameters:

  object | The C instance.
  take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref.

Returns:
  A C++ instance that wraps this C instance.

The documentation for this class was generated from the following file:

- gtkmm/stylecontext.h