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 G_BEGIN_DECLS
  24
  25
  26 /* -- type macros --- */
  27 #define GTK_TYPE_SETTINGS             (gtk_settings_get_type ())
  28 #define GTK_SETTINGS(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SETTINGS, GtkSettings))
  29 #define GTK_SETTINGS_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SETTINGS, GtkSettingsClass))
  30 #define GTK_IS_SETTINGS(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SETTINGS))
  31 #define GTK_IS_SETTINGS_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SETTINGS))
  32 #define GTK_SETTINGS_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SETTINGS, GtkSettingsClass))
  33
  34
  35 /* --- typedefs --- */
  36 typedef struct    _GtkSettingsClass GtkSettingsClass;
  37 typedef struct    _GtkSettingsValue GtkSettingsValue;
  38 typedef struct    _GtkSettingsPropertyValue GtkSettingsPropertyValue; /* Internal */
  39
  40
  41 /* --- structures --- */
  42 struct _GtkSettings
  43 {
  44   GObject parent_instance;
  45
  46   GData  *queued_settings;      /* of type GtkSettingsValue* */
  47   GtkSettingsPropertyValue *property_values;
  48
  49   GtkRcContext *rc_context;
  50   GdkScreen    *screen;
  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) G_GNUC_CONST;
  73 #ifndef GDK_MULTIHEAD_SAFE
  74 GtkSettings*    gtk_settings_get_default             (void);
  75 #endif
  76 GtkSettings*    gtk_settings_get_for_screen          (GdkScreen *screen);
  77
  78 void            gtk_settings_install_property        (GParamSpec         *pspec);
  79 void            gtk_settings_install_property_parser (GParamSpec         *pspec,
  80                                                       GtkRcPropertyParser parser);
  81
  82 /* --- precoded parsing functions --- */
  83 gboolean gtk_rc_property_parse_color       (const GParamSpec *pspec,
  84                                             const GString    *gstring,
  85                                             GValue           *property_value);
  86 gboolean gtk_rc_property_parse_enum        (const GParamSpec *pspec,
  87                                             const GString    *gstring,
  88                                             GValue           *property_value);
  89 gboolean gtk_rc_property_parse_flags       (const GParamSpec *pspec,
  90                                             const GString    *gstring,
  91                                             GValue           *property_value);
  92 gboolean gtk_rc_property_parse_requisition (const GParamSpec *pspec,
  93                                             const GString    *gstring,
  94                                             GValue           *property_value);
  95 gboolean gtk_rc_property_parse_border      (const GParamSpec *pspec,
  96                                             const GString    *gstring,
  97                                             GValue           *property_value);
  98
  99 /*< private >*/
 100 void            gtk_settings_set_property_value  (GtkSettings   *settings,
 101                                                   const gchar   *name,
 102                                                   const GtkSettingsValue *svalue);
 103 void            gtk_settings_set_string_property (GtkSettings   *settings,
 104                                                   const gchar   *name,
 105                                                   const gchar   *v_string,
 106                                                   const gchar   *origin);
 107 void            gtk_settings_set_long_property   (GtkSettings   *settings,
 108                                                   const gchar   *name,
 109                                                   glong          v_long,
 110                                                   const gchar   *origin);
 111 void            gtk_settings_set_double_property (GtkSettings   *settings,
 112                                                   const gchar   *name,
 113                                                   gdouble        v_double,
 114                                                   const gchar   *origin);
 115
 116
 117 /* implementation details */
 118 void _gtk_settings_set_property_value_from_rc (GtkSettings            *settings,
 119                                                const gchar            *name,
 120                                                const GtkSettingsValue *svalue);
 121 void _gtk_settings_reset_rc_values            (GtkSettings            *settings);
 122
 123 void                _gtk_settings_handle_event        (GdkEventSetting    *event);
 124 GtkRcPropertyParser _gtk_rc_property_parser_from_type (GType               type);
 125 gboolean            _gtk_settings_parse_convert       (GtkRcPropertyParser parser,
 126                                                        const GValue       *src_value,
 127                                                        GParamSpec         *pspec,
 128                                                        GValue             *dest_value);
 129
 130
 131 G_END_DECLS
 132
 133 #endif /* __GTK_SETTINGS_H__ */