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gtk2/gtk/gtkrc.h
Matthias Clasen 3c49e2ef62 Make it possible for theme engines to support symbolic colors. (#426192, 
2007-06-08  Matthias Clasen  <mclasen@redhat.com>

        Make it possible for theme engines to support symbolic 
        colors.  (#426192, Andrea Cimitan, patch by Olivier Samyn)

        * gtk/gtk.symbols:
        * gtk/gtkrc.h:
        * gtk/gtkrc.c (gtk_rc_parse_color_full): Export this function

        * gtk/gtkrc.c (gtk_rc_parse_engine): Copy color hashes
        to new style before parsing engine section.

svn path=/trunk/; revision=18081
2007-06-08 05:02:13 +00:00

268 lines
8.3 KiB
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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_RC_H__
#define __GTK_RC_H__
#include <gtk/gtkstyle.h>
G_BEGIN_DECLS
/* Forward declarations */
typedef struct _GtkIconFactory GtkIconFactory;
typedef struct _GtkRcContext GtkRcContext;
typedef struct _GtkRcStyleClass GtkRcStyleClass;
#define GTK_TYPE_RC_STYLE (gtk_rc_style_get_type ())
#define GTK_RC_STYLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_RC_STYLE, GtkRcStyle))
#define GTK_RC_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RC_STYLE, GtkRcStyleClass))
#define GTK_IS_RC_STYLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_RC_STYLE))
#define GTK_IS_RC_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RC_STYLE))
#define GTK_RC_STYLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RC_STYLE, GtkRcStyleClass))
typedef enum
{
GTK_RC_FG = 1 << 0,
GTK_RC_BG = 1 << 1,
GTK_RC_TEXT = 1 << 2,
GTK_RC_BASE = 1 << 3
} GtkRcFlags;
struct _GtkRcStyle
{
GObject parent_instance;
/*< public >*/
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;
/*< private >*/
GArray *rc_properties;
/* list of RC style lists including this RC style */
GSList *rc_style_lists;
GSList *icon_factories;
guint engine_specified : 1; /* The RC file specified the engine */
};
struct _GtkRcStyleClass
{
GObjectClass parent_class;
/* Create an empty RC style of the same type as this RC style.
* The default implementation, which does
* g_object_new (G_OBJECT_TYPE (style), NULL);
* should work in most cases.
*/
GtkRcStyle * (*create_rc_style) (GtkRcStyle *rc_style);
/* Fill in engine specific parts of GtkRcStyle by parsing contents
* of brackets. Returns G_TOKEN_NONE if successful, otherwise returns
* the token it expected but didn't get.
*/
guint (*parse) (GtkRcStyle *rc_style,
GtkSettings *settings,
GScanner *scanner);
/* Combine RC style data from src into dest. If overridden, this
* function should chain to the parent.
*/
void (*merge) (GtkRcStyle *dest,
GtkRcStyle *src);
/* Create an empty style suitable to this RC style
*/
GtkStyle * (*create_style) (GtkRcStyle *rc_style);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
#ifdef G_OS_WIN32
/* Reserve old names for DLL ABI backward compatibility */
#define gtk_rc_add_default_file gtk_rc_add_default_file_utf8
#define gtk_rc_set_default_files gtk_rc_set_default_files_utf8
#define gtk_rc_parse gtk_rc_parse_utf8
#endif
void _gtk_rc_init (void);
GSList* _gtk_rc_parse_widget_class_path (const gchar *pattern);
void _gtk_rc_free_widget_class_path (GSList *list);
gboolean _gtk_rc_match_widget_class (GSList *list,
gint length,
gchar *path,
gchar *path_reversed);
void gtk_rc_add_default_file (const gchar *filename);
void gtk_rc_set_default_files (gchar **filenames);
gchar** gtk_rc_get_default_files (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);
gboolean gtk_rc_reparse_all_for_settings (GtkSettings *settings,
gboolean force_load);
void gtk_rc_reset_styles (GtkSettings *settings);
gchar* gtk_rc_find_pixmap_in_path (GtkSettings *settings,
GScanner *scanner,
const gchar *pixmap_file);
void gtk_rc_parse (const gchar *filename);
void gtk_rc_parse_string (const gchar *rc_string);
gboolean gtk_rc_reparse_all (void);
#ifndef GTK_DISABLE_DEPRECATED
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);
#endif /* GTK_DISABLE_DEPRECATED */
GType gtk_rc_style_get_type (void) G_GNUC_CONST;
GtkRcStyle* gtk_rc_style_new (void);
GtkRcStyle* gtk_rc_style_copy (GtkRcStyle *orig);
#ifndef GTK_DISABLE_DEPRECATED
void gtk_rc_style_ref (GtkRcStyle *rc_style);
void gtk_rc_style_unref (GtkRcStyle *rc_style);
#endif
gchar* gtk_rc_find_module_in_path (const gchar *module_file);
gchar* gtk_rc_get_theme_dir (void);
gchar* gtk_rc_get_module_dir (void);
gchar* gtk_rc_get_im_module_path (void);
gchar* gtk_rc_get_im_module_file (void);
/* private functions/definitions */
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_COLOR,
GTK_RC_TOKEN_UNBIND,
GTK_RC_TOKEN_LAST
} GtkRcTokenType;
GScanner* gtk_rc_scanner_new (void);
guint gtk_rc_parse_color (GScanner *scanner,
GdkColor *color);
guint gtk_rc_parse_color_full (GScanner *scanner,
GtkRcStyle *style,
GdkColor *color);
guint gtk_rc_parse_state (GScanner *scanner,
GtkStateType *state);
guint gtk_rc_parse_priority (GScanner *scanner,
GtkPathPriorityType *priority);
/* rc properties
* (structure forward declared in gtkstyle.h)
*/
struct _GtkRcProperty
{
/* quark-ified property identifier like "GtkScrollbar::spacing" */
GQuark type_name;
GQuark property_name;
/* fields similar to GtkSettingsValue */
gchar *origin;
GValue value;
};
const GtkRcProperty* _gtk_rc_style_lookup_rc_property (GtkRcStyle *rc_style,
GQuark type_name,
GQuark property_name);
void _gtk_rc_style_set_rc_property (GtkRcStyle *rc_style,
GtkRcProperty *property);
void _gtk_rc_style_unset_rc_property (GtkRcStyle *rc_style,
GQuark type_name,
GQuark property_name);
GSList * _gtk_rc_style_get_color_hashes (GtkRcStyle *rc_style);
const gchar* _gtk_rc_context_get_default_font_name (GtkSettings *settings);
void _gtk_rc_context_destroy (GtkSettings *settings);
G_END_DECLS
#endif /* __GTK_RC_H__ */
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