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GObject.Object
parent-child marker Gtk.ThemingEngine

Class Gtk.ThemingEngine

Import line:	Gtk = imports.gi.Gtk;
GIR File:	Gtk-3.0.gir
C documentation:	GtkThemingEngine
Class :	ThemingEngine
Extends:	GObject.Object

GtkThemingEngine is the object used for rendering themed content
in GTK+ widgets. Even though GTK+ has a default implementation,
it can be overridden in CSS files by enforcing a GtkThemingEngine
object to be loaded as a module.
In order to implement a theming engine, a GtkThemingEngine subclass
must be created, alongside the CSS file that will reference it, the
theming engine would be created as an .so library, and installed in
$(gtk-modules-dir)/theming-engines/.
GtkThemingEngines have limited access to the object they are
rendering, the GtkThemingEngine API has read-only accessors to the
style information contained in the rendered object's GtkStyleContext.

Properties
Properties		Defined By
	name : String The theming engine name, this name will be used when registering custom properties, for a theming engine named "Clearlooks" registering a "glossy" custom property, it could be referenced in the CSS file as -Clearlooks-glossy: true; The theming engine name, this name will be used when registering custom properties, for a theming engine named "Clearlooks" registering a "glossy" custom property, it could be referenced in the CSS file as -Clearlooks-glossy: true;	Gtk.ThemingEngine
	parent_object : GObject.Object read only	Gtk.ThemingEngine
	priv : void* read only	Gtk.ThemingEngine

Methods / Constructors
Method / Constructor		Defined By
	new Gtk.ThemingEngine (Object *properties) Create a new Gtk.ThemingEngine Create a new Gtk.ThemingEngine Parameters: Object properties*
	Gtk.ThemingEngine.load (String *name) : Gtk.ThemingEngine Loads and initializes a theming engine module from the standard directories. Loads and initializes a theming engine module from the standard directories. the engine name* doesn't exist. Parameters: String name Required (not null) Theme engine name to load Returns: Gtk.ThemingEngine A theming engine, or NULL if	Gtk.ThemingEngine
	get_background_color (StateFlags *state) : Gdk.RGBA Gets the background color for a given state. Gets the background color for a given state. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the color for Returns: Gdk.RGBA	Gtk.ThemingEngine
	get_border (StateFlags *state) : Gtk.Border Gets the border for a given state as a GtkBorder. Gets the border for a given state as a GtkBorder. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the border for Returns: Gtk.Border	Gtk.ThemingEngine
	get_border_color (StateFlags *state) : Gdk.RGBA Gets the border color for a given state. Gets the border color for a given state. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the color for Returns: Gdk.RGBA	Gtk.ThemingEngine
	get_color (StateFlags *state) : Gdk.RGBA Gets the foreground color for a given state. Gets the foreground color for a given state. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the color for Returns: Gdk.RGBA	Gtk.ThemingEngine
	get_direction () : Gtk.TextDirection Returns the widget direction used for rendering. Returns the widget direction used for rendering. Returns: Gtk.TextDirection the widget direction	Gtk.ThemingEngine
	get_font (StateFlags *state) : Pango.FontDescription Returns the font description for a given state. Returns the font description for a given state. state. This object is owned by GTK+ and should not be freed. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the font for Returns: Pango.FontDescription the PangoFontDescription for the given	Gtk.ThemingEngine
	get_junction_sides () : Gtk.JunctionSides Returns the widget direction used for rendering. Returns the widget direction used for rendering. Returns: Gtk.JunctionSides the widget direction	Gtk.ThemingEngine
	get_margin (StateFlags *state) : Gtk.Border Gets the margin for a given state as a GtkBorder. Gets the margin for a given state as a GtkBorder. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the border for Returns: Gtk.Border	Gtk.ThemingEngine
	get_padding (StateFlags *state) : Gtk.Border Gets the padding for a given state as a GtkBorder. Gets the padding for a given state as a GtkBorder. Parameters: Gtk.StateFlags state* Required (not null) state to retrieve the padding for Returns: Gtk.Border	Gtk.ThemingEngine
	get_path () : Gtk.WidgetPath Returns the widget path used for style matching. Returns the widget path used for style matching. Returns: Gtk.WidgetPath A GtkWidgetPath	Gtk.ThemingEngine
	get_property (String *property, StateFlags state) : GObject.Value Gets a property value as retrieved from the style settings that apply to the currently rendered element. Gets a property value as retrieved from the style settings that apply to the currently rendered element. Parameters: String property* Required (not null) the property name Gtk.StateFlags state Required (not null) state to retrieve the value for Returns: GObject.Value	Gtk.ThemingEngine
	get_screen () : Gdk.Screen Returns the GdkScreen to which engine currently rendering to. Returns the GdkScreen to which engine currently rendering to. Returns: Gdk.Screen a GdkScreen, or NULL.	Gtk.ThemingEngine
	get_state () : Gtk.StateFlags returns the state used when rendering. returns the state used when rendering. Returns: Gtk.StateFlags the state flags	Gtk.ThemingEngine
	get_style_property (String *property_name, Value value) : none Gets the value for a widget style property. Gets the value for a widget style property. Parameters: String property_name* Required (not null) the name of the widget style property GObject.Value value Required (not null) Return location for the property value, free with g_value_unset() after use. Returns: none	Gtk.ThemingEngine
	has_class (String *style_class) : gboolean Returns TRUE* if the currently rendered contents have defined the given class name. Returns TRUE if the currently rendered contents have defined the given class name. Parameters: String style_class Required (not null) class name to look up Returns: gboolean TRUE if engine has class_name defined	Gtk.ThemingEngine
	has_region (String *style_region, Object out_values) : gboolean Returns TRUE* if the currently rendered contents have the region defined. Returns TRUE if the currently rendered contents have the region defined. If flags_return is not NULL, it is set to the flags affecting the region. Parameters: String style_region Required (not null) a region name Object out_values Gtk.RegionFlags flags Returns: gboolean TRUE if region is defined	Gtk.ThemingEngine
	lookup_color (String *color_name, Object out_values) : gboolean Looks up and resolves a color name in the current style's color map. Looks up and resolves a color name in the current style's color map. Parameters: String color_name* Required (not null) color name to lookup Object out_values Gdk.RGBA color Returns: gboolean TRUE if color_name was found and resolved, FALSE otherwise	Gtk.ThemingEngine
	state_is_running (StateType *state, Object out_values) : gboolean Returns TRUE* if there is a transition animation running for the current region (see gtk_style_context_push_animatable_region()). Returns TRUE if there is a transition animation running for the current region (see gtk_style_context_push_animatable_region()). If progress is not NULL, the animation progress will be returned there, 0.0 means the state is closest to being FALSE, while 1.0 means it's closest to being TRUE. This means transition animations will run from 0 to 1 when state is being set to TRUE and from 1 to 0 when it's being set to FALSE. Parameters: Gtk.StateType state Required (not null) a widget state Object out_values gdouble progress Returns: gboolean TRUE if there is a running transition animation for state.	Gtk.ThemingEngine

Events
None