Pileus Git - ~andy/gtk/blob - gtk/gtksettings.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2000 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free
  16  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18 #ifndef __GTK_SETTINGS_H__
  19 #define __GTK_SETTINGS_H__
  20
  21 #include        <gtk/gtkrc.h>
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif /* __cplusplus */
  26
  27
  28 /* -- type macros --- */
  29 #define GTK_TYPE_SETTINGS            (gtk_settings_get_type ())
  30 #define GTK_SETTINGS(obj)            (GTK_CHECK_CAST ((obj), GTK_TYPE_SETTINGS, GtkSettings))
  31 #define GTK_SETTINGS_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_SETTINGS, GtkSettingsClass))
  32 #define GTK_IS_SETTINGS(obj)         (GTK_CHECK_TYPE ((obj), GTK_TYPE_SETTINGS))
  33 #define GTK_IS_SETTINGS_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SETTINGS))
  34 #define GTK_SETTINGS_GET_CLASS(obj)  (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_SETTINGS, GtkSettingsClass))
  35
  36
  37 /* --- typedefs --- */
  38 typedef struct    _GtkSettingsClass GtkSettingsClass;
  39 typedef struct    _GtkSettingsValue GtkSettingsValue;
  40
  41
  42 /* --- structures --- */
  43 struct _GtkSettings
  44 {
  45   GObject parent_instance;
  46
  47   GData  *queued_settings;      /* of type GtkSettingsValue* */
  48   GValue *property_values;
  49
  50   GtkRcContext *rc_context;
  51 };
  52 struct _GtkSettingsClass
  53 {
  54   GObjectClass parent_class;
  55
  56 };
  57 struct _GtkSettingsValue
  58 {
  59   /* origin should be something like "filename:linenumber" for rc files,
  60    * or e.g. "XProperty" for other sources
  61    */
  62   gchar *origin;
  63
  64   /* valid types are LONG, DOUBLE and STRING corresponding to the token parsed,
  65    * or a GSTRING holding an unparsed statement
  66    */
  67   GValue value;
  68 };
  69
  70
  71 /* --- functions --- */
  72 GType           gtk_settings_get_type                (void);
  73 GtkSettings*    gtk_settings_get_default             (void);
  74 void            gtk_settings_install_property        (GParamSpec         *pspec);
  75 void            gtk_settings_install_property_parser (GParamSpec         *pspec,
  76                                                       GtkRcPropertyParser parser);
  77
  78 /* --- precoded parsing functions --- */
  79 gboolean gtk_rc_property_parse_color       (const GParamSpec *pspec,
  80                                             const GString    *gstring,
  81                                             GValue           *property_value);
  82 gboolean gtk_rc_property_parse_enum        (const GParamSpec *pspec,
  83                                             const GString    *gstring,
  84                                             GValue           *property_value);
  85 gboolean gtk_rc_property_parse_flags       (const GParamSpec *pspec,
  86                                             const GString    *gstring,
  87                                             GValue           *property_value);
  88 gboolean gtk_rc_property_parse_requisition (const GParamSpec *pspec,
  89                                             const GString    *gstring,
  90                                             GValue           *property_value);
  91 gboolean gtk_rc_property_parse_border      (const GParamSpec *pspec,
  92                                             const GString    *gstring,
  93                                             GValue           *property_value);
  94
  95 /*< private >*/
  96 void            gtk_settings_set_property_value  (GtkSettings   *settings,
  97                                                   const gchar   *name,
  98                                                   const GtkSettingsValue *svalue);
  99 void            gtk_settings_set_string_property (GtkSettings   *settings,
 100                                                   const gchar   *name,
 101                                                   const gchar   *v_string,
 102                                                   const gchar   *origin);
 103 void            gtk_settings_set_long_property   (GtkSettings   *settings,
 104                                                   const gchar   *name,
 105                                                   glong          v_long,
 106                                                   const gchar   *origin);
 107 void            gtk_settings_set_double_property (GtkSettings   *settings,
 108                                                   const gchar   *name,
 109                                                   gdouble        v_double,
 110                                                   const gchar   *origin);
 111
 112
 113 /* implementation details */
 114 void                _gtk_settings_handle_event        (GdkEventSetting    *event);
 115 GtkRcPropertyParser _gtk_rc_property_parser_from_type (GType               type);
 116 gboolean            _gtk_settings_parse_convert       (GtkRcPropertyParser parser,
 117                                                        const GValue       *src_value,
 118                                                        GParamSpec         *pspec,
 119                                                        GValue             *dest_value);
 120
 121
 122 #ifdef __cplusplus
 123 }
 124 #endif /* __cplusplus */
 125
 126 #endif /* __GTK_SETTINGS_H__ */