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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2012 Benjamin Otte <otte@gnome.org>
   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, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef __GTK_CSS_MATCHER_PRIVATE_H__
  19 #define __GTK_CSS_MATCHER_PRIVATE_H__
  20
  21 #include <gtk/gtkenums.h>
  22 #include <gtk/gtktypes.h>
  23 #include "gtk/gtkcsstypesprivate.h"
  24
  25 G_BEGIN_DECLS
  26
  27 typedef union _GtkCssMatcher GtkCssMatcher;
  28 typedef struct _GtkCssMatcherSuperset GtkCssMatcherSuperset;
  29 typedef struct _GtkCssMatcherWidgetPath GtkCssMatcherWidgetPath;
  30 typedef struct _GtkCssMatcherClass GtkCssMatcherClass;
  31
  32 struct _GtkCssMatcherClass {
  33   gboolean        (* get_parent)                  (GtkCssMatcher          *matcher,
  34                                                    const GtkCssMatcher    *child);
  35   gboolean        (* get_previous)                (GtkCssMatcher          *matcher,
  36                                                    const GtkCssMatcher    *next);
  37
  38   GtkStateFlags   (* get_state)                   (const GtkCssMatcher   *matcher);
  39   gboolean        (* has_type)                    (const GtkCssMatcher   *matcher,
  40                                                    GType                  type);
  41   gboolean        (* has_class)                   (const GtkCssMatcher   *matcher,
  42                                                    GQuark                 class_name);
  43   gboolean        (* has_id)                      (const GtkCssMatcher   *matcher,
  44                                                    const char            *id);
  45   gboolean        (* has_regions)                 (const GtkCssMatcher   *matcher);
  46   gboolean        (* has_region)                  (const GtkCssMatcher   *matcher,
  47                                                    const char            *region,
  48                                                    GtkRegionFlags         flags);
  49   gboolean        (* has_position)                (const GtkCssMatcher   *matcher,
  50                                                    gboolean               forward,
  51                                                    int                    a,
  52                                                    int                    b);
  53   gboolean is_any;
  54 };
  55
  56 struct _GtkCssMatcherWidgetPath {
  57   const GtkCssMatcherClass *klass;
  58   const GtkWidgetPath      *path;
  59   GtkStateFlags             state_flags;
  60   guint                     index;
  61   guint                     sibling_index;
  62 };
  63
  64 struct _GtkCssMatcherSuperset {
  65   const GtkCssMatcherClass *klass;
  66   const GtkCssMatcher      *subset;
  67   GtkCssChange              relevant;
  68 };
  69
  70 union _GtkCssMatcher {
  71   const GtkCssMatcherClass *klass;
  72   GtkCssMatcherWidgetPath   path;
  73   GtkCssMatcherSuperset     superset;
  74 };
  75
  76 gboolean          _gtk_css_matcher_init           (GtkCssMatcher          *matcher,
  77                                                    const GtkWidgetPath    *path,
  78                                                    GtkStateFlags           state) G_GNUC_WARN_UNUSED_RESULT;
  79 void              _gtk_css_matcher_any_init       (GtkCssMatcher          *matcher);
  80 void              _gtk_css_matcher_superset_init  (GtkCssMatcher          *matcher,
  81                                                    const GtkCssMatcher    *subset,
  82                                                    GtkCssChange            relevant);
  83
  84
  85 static inline gboolean
  86 _gtk_css_matcher_get_parent (GtkCssMatcher       *matcher,
  87                              const GtkCssMatcher *child)
  88 {
  89   return child->klass->get_parent (matcher, child);
  90 }
  91
  92 static inline gboolean
  93 _gtk_css_matcher_get_previous (GtkCssMatcher       *matcher,
  94                                const GtkCssMatcher *next)
  95 {
  96   return next->klass->get_previous (matcher, next);
  97 }
  98
  99 static inline GtkStateFlags
 100 _gtk_css_matcher_get_state (const GtkCssMatcher *matcher)
 101 {
 102   return matcher->klass->get_state (matcher);
 103 }
 104
 105 static inline gboolean
 106 _gtk_css_matcher_has_type (const GtkCssMatcher *matcher,
 107                            GType type)
 108 {
 109   return matcher->klass->has_type (matcher, type);
 110 }
 111
 112 static inline gboolean
 113 _gtk_css_matcher_has_class (const GtkCssMatcher *matcher,
 114                             GQuark               class_name)
 115 {
 116   return matcher->klass->has_class (matcher, class_name);
 117 }
 118
 119 static inline gboolean
 120 _gtk_css_matcher_has_id (const GtkCssMatcher *matcher,
 121                          const char          *id)
 122 {
 123   return matcher->klass->has_id (matcher, id);
 124 }
 125
 126
 127 static inline gboolean
 128 _gtk_css_matcher_has_regions (const GtkCssMatcher *matcher)
 129 {
 130   return matcher->klass->has_regions (matcher);
 131 }
 132
 133 static inline gboolean
 134 _gtk_css_matcher_has_region (const GtkCssMatcher *matcher,
 135                              const char          *region,
 136                              GtkRegionFlags       flags)
 137 {
 138   return matcher->klass->has_region (matcher, region, flags);
 139 }
 140
 141 static inline guint
 142 _gtk_css_matcher_has_position (const GtkCssMatcher *matcher,
 143                                gboolean             forward,
 144                                int                  a,
 145                                int                  b)
 146 {
 147   return matcher->klass->has_position (matcher, forward, a, b);
 148 }
 149
 150 static inline gboolean
 151 _gtk_css_matcher_matches_any (const GtkCssMatcher *matcher)
 152 {
 153   return matcher->klass->is_any;
 154 }
 155
 156
 157 G_END_DECLS
 158
 159 #endif /* __GTK_CSS_MATCHER_PRIVATE_H__ */