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
  19 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
  20 #error "Only <gtk/gtk.h> can be included directly."
  21 #endif
  22
  23 #ifndef __GTK_SETTINGS_H__
  24 #define __GTK_SETTINGS_H__
  25
  26 #include <gtk/gtkrc.h>
  27
  28 G_BEGIN_DECLS
  29
  30
  31 /* -- type macros --- */
  32 #define GTK_TYPE_SETTINGS             (gtk_settings_get_type ())
  33 #define GTK_SETTINGS(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SETTINGS, GtkSettings))
  34 #define GTK_SETTINGS_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SETTINGS, GtkSettingsClass))
  35 #define GTK_IS_SETTINGS(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SETTINGS))
  36 #define GTK_IS_SETTINGS_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SETTINGS))
  37 #define GTK_SETTINGS_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SETTINGS, GtkSettingsClass))
  38
  39
  40 /* --- typedefs --- */
  41 typedef struct    _GtkSettingsClass GtkSettingsClass;
  42 typedef struct    _GtkSettingsValue GtkSettingsValue;
  43 typedef struct    _GtkSettingsPropertyValue GtkSettingsPropertyValue; /* Internal */
  44
  45
  46 /* --- structures --- */
  47 struct _GtkSettings
  48 {
  49   GObject parent_instance;
  50
  51   GData  *GSEAL (queued_settings);      /* of type GtkSettingsValue* */
  52   GtkSettingsPropertyValue *GSEAL (property_values);
  53
  54   GtkRcContext *GSEAL (rc_context);
  55   GdkScreen    *GSEAL (screen);
  56 };
  57
  58 struct _GtkSettingsClass
  59 {
  60   GObjectClass parent_class;
  61 };
  62
  63 struct _GtkSettingsValue
  64 {
  65   /* origin should be something like "filename:linenumber" for rc files,
  66    * or e.g. "XProperty" for other sources
  67    */
  68   gchar *origin;
  69
  70   /* valid types are LONG, DOUBLE and STRING corresponding to the token parsed,
  71    * or a GSTRING holding an unparsed statement
  72    */
  73   GValue value;
  74 };
  75
  76
  77 /* --- functions --- */
  78 GType           gtk_settings_get_type                (void) G_GNUC_CONST;
  79 #ifndef GDK_MULTIHEAD_SAFE
  80 GtkSettings*    gtk_settings_get_default             (void);
  81 #endif
  82 GtkSettings*    gtk_settings_get_for_screen          (GdkScreen *screen);
  83
  84 void            gtk_settings_install_property        (GParamSpec         *pspec);
  85 void            gtk_settings_install_property_parser (GParamSpec         *pspec,
  86                                                       GtkRcPropertyParser parser);
  87
  88 /* --- precoded parsing functions --- */
  89 gboolean gtk_rc_property_parse_color       (const GParamSpec *pspec,
  90                                             const GString    *gstring,
  91                                             GValue           *property_value);
  92 gboolean gtk_rc_property_parse_enum        (const GParamSpec *pspec,
  93                                             const GString    *gstring,
  94                                             GValue           *property_value);
  95 gboolean gtk_rc_property_parse_flags       (const GParamSpec *pspec,
  96                                             const GString    *gstring,
  97                                             GValue           *property_value);
  98 gboolean gtk_rc_property_parse_requisition (const GParamSpec *pspec,
  99                                             const GString    *gstring,
 100                                             GValue           *property_value);
 101 gboolean gtk_rc_property_parse_border      (const GParamSpec *pspec,
 102                                             const GString    *gstring,
 103                                             GValue           *property_value);
 104
 105 /*< private >*/
 106 void            gtk_settings_set_property_value  (GtkSettings   *settings,
 107                                                   const gchar   *name,
 108                                                   const GtkSettingsValue *svalue);
 109 void            gtk_settings_set_string_property (GtkSettings   *settings,
 110                                                   const gchar   *name,
 111                                                   const gchar   *v_string,
 112                                                   const gchar   *origin);
 113 void            gtk_settings_set_long_property   (GtkSettings   *settings,
 114                                                   const gchar   *name,
 115                                                   glong          v_long,
 116                                                   const gchar   *origin);
 117 void            gtk_settings_set_double_property (GtkSettings   *settings,
 118                                                   const gchar   *name,
 119                                                   gdouble        v_double,
 120                                                   const gchar   *origin);
 121
 122
 123 /* implementation details */
 124 void _gtk_settings_set_property_value_from_rc (GtkSettings            *settings,
 125                                                const gchar            *name,
 126                                                const GtkSettingsValue *svalue);
 127 void _gtk_settings_reset_rc_values            (GtkSettings            *settings);
 128
 129 void                _gtk_settings_handle_event        (GdkEventSetting    *event);
 130 GtkRcPropertyParser _gtk_rc_property_parser_from_type (GType               type);
 131 gboolean            _gtk_settings_parse_convert       (GtkRcPropertyParser parser,
 132                                                        const GValue       *src_value,
 133                                                        GParamSpec         *pspec,
 134                                                        GValue             *dest_value);
 135
 136 GdkScreen          *_gtk_settings_get_screen          (GtkSettings        *settings);
 137
 138
 139 G_END_DECLS
 140
 141 #endif /* __GTK_SETTINGS_H__ */