GTK+ Reference Manual
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# Resource Files

## Name

Resource Files -- Routines for handling resource files

## Synopsis

    #include <gtk/gtk.h>

    struct      GtkRcStyle;
    enum        GtkRcFlags;
    enum        GtkRcTokenType;
    GScanner*   gtk_rc_scanner_new              (void);
    GtkStyle*   gtk_rc_get_style                (GtkWidget *widget);
    GtkStyle*   gtk_rc_get_style_by_paths       (GtkSettings *settings,
                                                 const char *widget_path,
                                                 const char *class_path,
                                                 GType type);
    void        gtk_rc_add_widget_name_style    (GtkRcStyle *rc_style,
                                                 const gchar *pattern);
    void        gtk_rc_add_widget_class_style   (GtkRcStyle *rc_style,
                                                 const gchar *pattern);
    void        gtk_rc_add_class_style          (GtkRcStyle *rc_style,
                                                 const gchar *pattern);
    void        gtk_rc_parse                    (const gchar *filename);
    void        gtk_rc_parse_string             (const gchar *rc_string);
    gboolean    gtk_rc_reparse_all              (void);
    gboolean    gtk_rc_reparse_all_for_settings (GtkSettings *settings,
                                                 gboolean force_load);
    void        gtk_rc_add_default_file         (const gchar *filename);
    gchar**     gtk_rc_get_default_files        (void);
    void        gtk_rc_set_default_files        (gchar **filenames);
    guint       gtk_rc_parse_color              (GScanner *scanner,
                                                 GdkColor *color);
    guint       gtk_rc_parse_state              (GScanner *scanner,
                                                 GtkStateType *state);
    guint       gtk_rc_parse_priority           (GScanner *scanner,
                                                 GtkPathPriorityType *priority);
    gchar*      gtk_rc_find_module_in_path      (const gchar *module_file);
    gchar*      gtk_rc_find_pixmap_in_path      (GtkSettings *settings,
                                                 GScanner *scanner,
                                                 const gchar *pixmap_file);
    gchar*      gtk_rc_get_module_dir           (void);
    gchar*      gtk_rc_get_im_module_path       (void);
    gchar*      gtk_rc_get_im_module_file       (void);
    gchar*      gtk_rc_get_theme_dir            (void);
    GtkRcStyle* gtk_rc_style_new                (void);
    GtkRcStyle* gtk_rc_style_copy               (GtkRcStyle *orig);
    void        gtk_rc_style_ref                (GtkRcStyle *rc_style);
    void        gtk_rc_style_unref              (GtkRcStyle *rc_style);

## Object Hierarchy

      GObject
       +----GtkRcStyle

## Description

GTK+ provides resource file mechanism for configuring various aspects of the operation of a GTK+ program at runtime.

### Default files

An application can cause GTK+ to parse a specific RC file by calling gtk_rc_parse(). In addition to this, certain files will be read at the end of gtk_init(). Unless modified, the files looked for will be `<SYSCONFDIR>/gtk-2.0/gtkrc` and `.gtkrc-2.0` in the users home directory. (`<SYSCONFDIR>` defaults to `/usr/local/etc`. It can be changed with the `--prefix` or `--sysconfdir` options when configuring GTK+.)

The set of these default files can be retrieved with gtk_rc_get_default_files() and modified with gtk_rc_add_default_file() and gtk_rc_set_default_files(). Additionally, the `GTK_RC_FILES` environment variable can be set to a G_SEARCHPATH_SEPARATOR_S-separated list of files in order to overwrite the set of default files at runtime.

For each RC file, in addition to the file itself, GTK+ will look for a locale-specific file that will be parsed after the main file. For instance, if `LANG` is set to `ja_JP.ujis`, when loading the default file `~/.gtkrc` then GTK+ looks for `~/.gtkrc.ja_JP` and `~/.gtkrc.ja`, and parses the first of those that exists.

### Pathnames and patterns

A resource file defines a number of styles and key bindings and attaches them to particular widgets. The attachment is done by the `widget`, `widget_class`, and `class` declarations. As an example of such a statement:

    widget "mywindow.*.GtkEntry" style "my-entry-class"

attaches the style `"my-entry-class"` to all widgets whose widget class matches the pattern `"mywindow.*.GtkEntry"`.

The patterns here are given in the standard shell glob syntax. The `"?"` wildcard matches any character, while `"*"` matches zero or more of any character. The three types of matching are against the widget path, the class path and the class hierarchy. Both the widget and the class paths consists of a `"."` separated list of all the parents of the widget and the widget itself from outermost to innermost. The difference is that in the widget path, the name assigned by gtk_widget_set_name() is used if present, otherwise the class name of the widget, while for the widget path, the class name is always used.

So, if you have a GtkEntry named `"myentry"`, inside of a of a window named `"mywindow"`, then the widget path is: `"mwindow.GtkHBox.myentry"` while the class path is: `"GtkWindow.GtkHBox.GtkEntry"`.

Matching against class is a little different. The pattern match is done against all class names in the widgets class hierarchy (not the layout hierarchy) in sequence, so the pattern:

    class "GtkButton" style "my-style"

will match not just GtkButton widgets, but also GtkToggleButton and GtkCheckButton widgets, since those classes derive from GtkButton.

### Toplevel declarations

An RC file is a text file which is composed of a sequence of declarations. `'#'` characters delimit comments and the portion of a line after a `'#'` is ignored when parsing an RC file.

The possible toplevel declarations are:

`binding `name` { ... }`

  Declares a binding set.

`class `pattern` [ style | binding [ : `priority` ]] `name``

  Specifies a style or binding set for a particular branch of the inheritance hierarchy.

`include `filename``

  Parses another file at this point. If `filename` is not an absolute filename, it is searched in the directories of the currently open RC files.

  GTK+ also tries to load a locale-specific variant of the included file.

`module_path `path``

  Sets a path (a list of directories separated by colons) that will be searched for theme engines referenced in RC files.

`pixmap_path `path``

  Sets a path (a list of directories separated by colons) that will be searched for pixmaps referenced in RC files.

`style `name` [ = `parent` ] { ... }`

  Declares a style.

`widget `pattern` [ style | binding [ : `priority` ]] `name``

  Specifies a style or binding set for a particular group of widgets by matching on the widget pathname.

`widget_class `pattern` [ style | binding [ : `priority` ]] `name``

  Specifies a style or binding set for a particular group of widgets by matching on the class pathname.

### Styles

A RC style is specified by a `style` declaration in a RC file, and then bound to widgets with a `widget`, `widget_class`, or `class` declaration. All styles applying to a particular widget are composited together with `widget` declarations overriding `widget_class` declarations which, in turn, override `class` declarations. Within each type of declaration, later declarations override earlier ones.

Within a `style` declaration, the possible elements are:

`bg[`state`] = `color``

  Sets the color used for the background of most widgets.

`fg[`state`] = `color``

  Sets the color used for the foreground of most widgets.

`base[`state`] = `color``

  Sets the color used for the background of widgets displaying editable text. This color is used for the background of, among others, GtkText, GtkEntry, GtkList, and GtkClist.

`text[`state`] = `color``

  Sets the color used for foreground of widgets using `base` for the background color.

`bg_pixmap[`state`] = `pixmap``

  Sets a background pixmap to be used in place of the `bg` color (or for GtkText, in place of the `base` color. The special value `"<parent>"` may be used to indicate that the widget should use the same background pixmap as its parent. The special value `"<none>"` may be used to indicate no background pixmap.

`font = `font``

  Sets the font for a widget. `font` must be a XLFD font description, e.g. `"-*-helvetica-medium-r-normal--10-*-*-*-*-*-*-*"`.

`fontset = `font``

  Sets the fontset for a widget. Overrides any `font` declarations. `font` must be a comma-separated list of XLFD font descriptions, e.g. `"-JIS-Fixed-Medium-R-Normal--26-180-100-100-C-240, -JIS-Fixed-Medium-R-Normal--26-180-100-100-C-120, -GB-Fixed-Medium-R-Normal--26-180-100-100-C-240, -Adobe-Courier-Bold-R-Normal--25-180-100-100-M-150"`.

`font_name = `font``

  Sets the font for a widget. Overrides any `font` or `fontset` declarations. `font` must be a Pango font name, e.g. `"Sans Italic 10"`.

`stock[`"stock-id"`] = { `icon source specifications` }`

  Defines the icon for a stock item.

`engine `"engine"` { `engine-specific settings` }`

  Defines the engine to be used when drawing with this style.

The colors and background pixmaps are specified as a function of the state of the widget. The states are:

`NORMAL`

  A color used for a widget in its normal state.

`ACTIVE`

  A variant of the `NORMAL` color used when the widget is in the `GTK_STATE_ACTIVE` state, and also for the trough of a ScrollBar, tabs of a NoteBook other than the current tab and similar areas. Frequently, this should be a darker variant of the `NORMAL` color.

`PRELIGHT`

  A color used for widgets in the `GTK_STATE_PRELIGHT` state. This state is the used for Buttons and MenuItems that have the mouse cursor over them, and for their children.

`SELECTED`

  A color used to highlight data selected by the user. for instance, the selected items in a list widget, and the selection in an editable widget.

`INSENSITIVE`

  A color used for the background of widgets that have been set insensitive with gtk_widget_set_sensitive().

Colors can be specified as a string containing a color name (GTK+ knows all names from the X color database `/usr/lib/X11/rgb.txt`), in one of the hexadecimal forms `#rrrrggggbbbb`, `#rrrgggbbb`, `#rrggbb`, or `#rgb`, where `r`, `g` and `b` are hex digits, or they can be specified as a triplet `{ `r`, `g`, `b`}`, where `r`, `g` and `b` are either integers in the range 0-65635 or floats in the range 0.0-1.0.

In a `stock` definition, icon sources are specified as a 4-tuple of image filename, text direction, widget state, and size, in that order. Each icon source specifies an image filename to use with a given direction, state, and size. The `*` character can be used as a wildcard, and if direction/state/size are omitted they default to `*`. So for example, the following specifies different icons to use for left-to-right and right-to-left languages:

    stock["my-stock-item"] =
    {
      { "itemltr.png", LTR, *, * },
      { "itemrtl.png", RTL, *, * }
    }

This could be abbreviated as follows:

    stock["my-stock-item"] =
    {
      { "itemltr.png", LTR },
      { "itemrtl.png", RTL }
    }

You can specify custom icons for specific sizes, as follows:

    stock["my-stock-item"] =
    {
      { "itemmenusize.png", *, *, "gtk-menu" },
      { "itemtoolbarsize.png", *, *, "gtk-large-toolbar" }
      { "itemgeneric.png" } /* implicit *, *, * as a fallback */
    }

The sizes that come with GTK+ itself are `"gtk-menu"`, `"gtk-small-toolbar"`, `"gtk-large-toolbar"`, `"gtk-button"`, `"gtk-dialog"`. Applications can define other sizes.

It's also possible to use custom icons for a given state, for example:

    stock["my-stock-item"] =
    {
      { "itemprelight.png", *, PRELIGHT },
      { "iteminsensitive.png", *, INSENSITIVE },
      { "itemgeneric.png" } /* implicit *, *, * as a fallback */
    }

When selecting an icon source to use, GTK+ will consider text direction most important, state second, and size third. It will select the best match based on those criteria. If an attribute matches exactly (e.g. you specified `PRELIGHT` or specified the size), GTK+ won't modify the image; if the attribute matches with a wildcard, GTK+ will scale or modify the image to match the state and size the user requested.

### Key bindings

Key bindings allow the user to specify actions to be taken on particular key presses. The form of a binding set declaration is:

    binding name {
      bind key {
        signalname (param, ...)
        ...
      }
      ...
    }

`key` is a string consisting of a series of modifiers followed by the name of a key. The modifiers can be:

`<alt>`
`<control>`
`<mod1>`
`<mod2>`
`<mod3>`
`<mod4>`
`<mod5>`
`<release>`
`<shft>`
`<shift>`

`<shft>` is an alias for `<shift>` and `<alt>` is an alias for `<mod1>`.

The action that is bound to the key is a sequence of signal names (strings) followed by parameters for each signal. The signals must be action signals. (See g_signal_new()). Each parameter can be a float, integer, string, or unquoted string representing an enumeration value. The types of the parameters specified must match the types of the parameters of the signal.

Binding sets are connected to widgets in the same manner as styles, with one addition. A priority can be specified for each pattern, and within each type of pattern, binding sets override other binding sets first by priority, and only then by order of specification. (Later overrides earlier). The priorities that can be specified are (highest to lowest):

`highest`
`rc`
`theme`
`application`
`gtk`
`lowest`

`rc` is the default for bindings read from an RC file, `theme` is the default for bindings read from theme RC files, `application` should be used for bindings an application sets up, and `gtk` is used for bindings that GTK+ creates internally.

## Details

### struct GtkRcStyle

    struct GtkRcStyle {

      gchar *name;
      gchar *bg_pixmap_name[5];
      PangoFontDescription *font_desc;

      GtkRcFlags color_flags[5];
      GdkColor   fg[5];
      GdkColor   bg[5];
      GdkColor   text[5];
      GdkColor   base[5];

      gint xthickness;
      gint ythickness;

    };

The GtkRcStyle structure is used to represent a set of information about the appearance of a widget. This can later be composited together with other GtkRcStyle structures to form a GtkStyle.

### enum GtkRcFlags

    typedef enum
    {
      GTK_RC_FG		= 1 << 0,
      GTK_RC_BG		= 1 << 1,
      GTK_RC_TEXT		= 1 << 2,
      GTK_RC_BASE		= 1 << 3
    } GtkRcFlags;

The GtkRcFlags enumeration is used as a bitmask to specify which fields of a GtkRcStyle have been set for each state.

`GTK_RC_FG` | If present, the foreground color has been set for this state.
`GTK_RC_BG` | If present, the background color has been set for this state.
`GTK_RC_TEXT` | If present, the text color has been set for this state.
`GTK_RC_BASE` | If present, the base color has been set for this state.

### enum GtkRcTokenType

    typedef enum {
      GTK_RC_TOKEN_INVALID = G_TOKEN_LAST,
      GTK_RC_TOKEN_INCLUDE,
      GTK_RC_TOKEN_NORMAL,
      GTK_RC_TOKEN_ACTIVE,
      GTK_RC_TOKEN_PRELIGHT,
      GTK_RC_TOKEN_SELECTED,
      GTK_RC_TOKEN_INSENSITIVE,
      GTK_RC_TOKEN_FG,
      GTK_RC_TOKEN_BG,
      GTK_RC_TOKEN_TEXT,
      GTK_RC_TOKEN_BASE,
      GTK_RC_TOKEN_XTHICKNESS,
      GTK_RC_TOKEN_YTHICKNESS,
      GTK_RC_TOKEN_FONT,
      GTK_RC_TOKEN_FONTSET,
      GTK_RC_TOKEN_FONT_NAME,
      GTK_RC_TOKEN_BG_PIXMAP,
      GTK_RC_TOKEN_PIXMAP_PATH,
      GTK_RC_TOKEN_STYLE,
      GTK_RC_TOKEN_BINDING,
      GTK_RC_TOKEN_BIND,
      GTK_RC_TOKEN_WIDGET,
      GTK_RC_TOKEN_WIDGET_CLASS,
      GTK_RC_TOKEN_CLASS,
      GTK_RC_TOKEN_LOWEST,
      GTK_RC_TOKEN_GTK,
      GTK_RC_TOKEN_APPLICATION,
      GTK_RC_TOKEN_THEME,
      GTK_RC_TOKEN_RC,
      GTK_RC_TOKEN_HIGHEST,
      GTK_RC_TOKEN_ENGINE,
      GTK_RC_TOKEN_MODULE_PATH,
      GTK_RC_TOKEN_IM_MODULE_PATH,
      GTK_RC_TOKEN_IM_MODULE_FILE,
      GTK_RC_TOKEN_STOCK,
      GTK_RC_TOKEN_LTR,
      GTK_RC_TOKEN_RTL,
      GTK_RC_TOKEN_LAST
    } GtkRcTokenType;

The GtkRcTokenType enumeration represents the tokens in the RC file. It is exposed so that theme engines can reuse these tokens when parsing the theme-engine specific portions of a RC file.

### gtk_rc_scanner_new ()

    GScanner*   gtk_rc_scanner_new              (void);

Returns : |

### gtk_rc_get_style ()

    GtkStyle*   gtk_rc_get_style                (GtkWidget *widget);

Finds all matching RC styles for a given widget, composites them together, and then creates a GtkStyle representing the composite appearance. (GTK+ actually keeps a cache of previously created styles, so a new style may not be created.)

`widget` : | a GtkWidget
Returns : | the resulting style. No refcount is added to the returned style, so if you want to save this style around, you should add a reference yourself.

### gtk_rc_get_style_by_paths ()

    GtkStyle*   gtk_rc_get_style_by_paths       (GtkSettings *settings,
                                                 const char *widget_path,
                                                 const char *class_path,
                                                 GType type);

Creates up a GtkStyle from styles defined in a RC file by providing the raw components used in matching. This function may be useful when creating pseudo-widgets that should be themed like widgets but don't actually have corresponding GTK+ widgets. An example of this would be items inside a GNOME canvas widget.

The action of gtk_rc_get_style() is similar to:

     gtk_widget_path (widget, NULL, &path, NULL);
     gtk_widget_class_path (widget, NULL, &class_path, NULL);
     gtk_rc_get_style_by_paths (gtk_widget_get_settings (widget), path, class_path,
                                G_OBJECT_TYPE (widget));

`settings` : | a GtkSettings object
`widget_path` : | the widget path to use when looking up the style, or `NULL` if no matching against the widget path should be done
`class_path` : | the class path to use when looking up the style, or `NULL` if no matching against the class path should be done.
`type` : | a type that will be used along with parent types of this type when matching against class styles, or G_TYPE_NONE
Returns : | A style created by matching with the supplied paths, or `NULL` if nothing matching was specified and the default style should be used. The returned value is owned by GTK+ as part of an internal cache, so you must call g_object_ref() on the returned value if you want to keep a reference to it.

### gtk_rc_add_widget_name_style ()

    void        gtk_rc_add_widget_name_style    (GtkRcStyle *rc_style,
                                                 const gchar *pattern);

Warning
`gtk_rc_add_widget_name_style` is deprecated and should not be used in newly-written code.

Adds a GtkRcStyle that will be looked up by a match against the widget's pathname. This is equivalent to a: `widget PATTERN style STYLE` statement in a RC file.

`rc_style` : | the GtkRcStyle to use for widgets matching `pattern`
`pattern` : | the pattern

### gtk_rc_add_widget_class_style ()

    void        gtk_rc_add_widget_class_style   (GtkRcStyle *rc_style,
                                                 const gchar *pattern);

Warning
`gtk_rc_add_widget_class_style` is deprecated and should not be used in newly-written code.

Adds a GtkRcStyle that will be looked up by a match against the widget's class pathname. This is equivalent to a: `widget_class PATTERN style STYLE` statement in a RC file.

`rc_style` : | the GtkRcStyle to use for widgets matching `pattern`
`pattern` : | the pattern

### gtk_rc_add_class_style ()

    void        gtk_rc_add_class_style          (GtkRcStyle *rc_style,
                                                 const gchar *pattern);

Warning
`gtk_rc_add_class_style` is deprecated and should not be used in newly-written code.

Adds a GtkRcStyle that will be looked up by a matching against the class hierarchy of the widget. This is equivalent to a: `class PATTERN style STYLE` statement in a RC file.

`rc_style` : | the GtkRcStyle to use for widgets deriving from `pattern`
`pattern` : | the pattern

### gtk_rc_parse ()

    void        gtk_rc_parse                    (const gchar *filename);

Parses a given resource file.

`filename` : | the filename of a file to parse. If `filename` is not absolute, it is searched in the current directory.

### gtk_rc_parse_string ()

    void        gtk_rc_parse_string             (const gchar *rc_string);

Parses resource information directly from a string.

`rc_string` : | a string to parse.

### gtk_rc_reparse_all ()

    gboolean    gtk_rc_reparse_all              (void);

If the modification time on any previously read file for the default GtkSettings has changed, discard all style information and then reread all previously read RC files.

Returns : | `TRUE` if the files were reread.

### gtk_rc_reparse_all_for_settings ()

    gboolean    gtk_rc_reparse_all_for_settings (GtkSettings *settings,
                                                 gboolean force_load);

If the modification time on any previously read file for the given GtkSettings has changed, discard all style information and then reread all previously read RC files.

`settings` : | a GtkSettings
`force_load` : | load whether or not anything changed
Returns : | `TRUE` if the files were reread.

### gtk_rc_add_default_file ()

    void        gtk_rc_add_default_file         (const gchar *filename);

Adds a file to the list of files to be parsed at the end of gtk_init().

`filename` : | the pathname to the file. If `filename` is not absolute, it is searched in the current directory.

### gtk_rc_get_default_files ()

    gchar**     gtk_rc_get_default_files        (void);

Retrieves the current list of RC files that will be parsed at the end of gtk_init().

Returns : | A `NULL`-terminated array of filenames. This memory is owned by GTK+ and must not be freed by the application. If you want to store this information, you should make a copy.

### gtk_rc_set_default_files ()

    void        gtk_rc_set_default_files        (gchar **filenames);

Sets the list of files that GTK+ will read at the end of gtk_init().

`filenames` : | A `NULL`-terminated list of filenames.

### gtk_rc_parse_color ()

    guint       gtk_rc_parse_color              (GScanner *scanner,
                                                 GdkColor *color);

Parses a color in the format expected in a RC file.

`scanner` : | a GtkScanner
`color` : | a pointer to a GtkColor structure in which to store the result
Returns : | `G_TOKEN_NONE` if parsing suceeded, otherwise the token that was expected but not found.

### gtk_rc_parse_state ()

    guint       gtk_rc_parse_state              (GScanner *scanner,
                                                 GtkStateType *state);

Parses a GtkStateType variable from the format expected in a RC file.

`scanner` : | a GtkScanner (must be initialized for parsing an RC file)
`state` : | A pointer to a GtkStateType variable in which to store the result.
Returns : | `G_TOKEN_NONE` if parsing suceeded, otherwise the token that was expected but not found.

### gtk_rc_parse_priority ()

    guint       gtk_rc_parse_priority           (GScanner *scanner,
                                                 GtkPathPriorityType *priority);

Parses a GtkPathPriorityType variable from the format expected in a RC file.

`scanner` : | a GtkScanner (must be initialized for parsing an RC file)
`priority` : | A pointer to GtkPathPriorityType variable in which to store the result.
Returns : | `G_TOKEN_NONE` if parsing suceeded, otherwise the token that was expected but not found.

### gtk_rc_find_module_in_path ()

    gchar*      gtk_rc_find_module_in_path      (const gchar *module_file);

Searches for a theme engine in the GTK+ search path. This function is not useful for applications and should not be used.

`module_file` : | name of a theme engine
Returns : | The filename, if found (must be freed with g_free()), otherwise `NULL`.

### gtk_rc_find_pixmap_in_path ()

    gchar*      gtk_rc_find_pixmap_in_path      (GtkSettings *settings,
                                                 GScanner *scanner,
                                                 const gchar *pixmap_file);

Looks up a file in pixmap path for the specified GtkSettings. If the file is not found, it outputs a warning message using g_warning() and returns `NULL`.

`settings` : | a GtkSettings
`scanner` : | Scanner used to get line number information for the warning message, or `NULL`
`pixmap_file` : | name of the pixmap file to locate.
Returns : | the filename.

### gtk_rc_get_module_dir ()

    gchar*      gtk_rc_get_module_dir           (void);

Returns a directory in which GTK+ looks for theme engines. For full information about the search for theme engines, see the docs for `GTK_PATH` in Running GTK+ Applications(3).

Returns : | the directory. (Must be freed with g_free())

### gtk_rc_get_im_module_path ()

    gchar*      gtk_rc_get_im_module_path       (void);

Obtains the path in which to look for IM modules. See the documentation of the `GTK_PATH` environment variable for more details about looking up modules. This function is useful solely for utilities supplied with GTK+ and should not be used by applications under normal circumstances.

Returns : | a newly-allocated string containing the path in which to look for IM modules.

### gtk_rc_get_im_module_file ()

    gchar*      gtk_rc_get_im_module_file       (void);

Obtains the path to the IM modules file. See the documentation of the `GTK_IM_MODULE_FILE` environment variable for more details.

Returns : | a newly-allocated string containing the name of the file listing the IM modules available for loading

### gtk_rc_get_theme_dir ()

    gchar*      gtk_rc_get_theme_dir            (void);

Returns the standard directory in which themes should be installed. (GTK+ does not actually use this directory itself.)

Returns : | The directory (must be freed with g_free()).

### gtk_rc_style_new ()

    GtkRcStyle* gtk_rc_style_new                (void);

Creates a new GtkRcStyle with no fields set and a reference count of 1.

Returns : | the newly-created GtkRcStyle

### gtk_rc_style_copy ()

    GtkRcStyle* gtk_rc_style_copy               (GtkRcStyle *orig);

Makes a copy of the specified GtkRcStyle. This function will correctly copy an RC style that is a member of a class derived from GtkRcStyle.

`orig` : | the style to copy
Returns : | the resulting GtkRcStyle

### gtk_rc_style_ref ()

    void        gtk_rc_style_ref                (GtkRcStyle *rc_style);

Increments the reference count of a GtkRcStyle.

`rc_style` : | a GtkRcStyle

### gtk_rc_style_unref ()

    void        gtk_rc_style_unref              (GtkRcStyle *rc_style);

Decrements the reference count of a GtkRcStyle and frees if the result is 0.

`rc_style` : | a GtkRcStyle

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