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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2010 Carlos Garnacho <carlosg@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, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __GTK_STYLE_CONTEXT_H__
  21 #define __GTK_STYLE_CONTEXT_H__
  22
  23 #include <glib-object.h>
  24 #include <gtk/gtkstyleprovider.h>
  25 #include <gtk/gtkwidgetpath.h>
  26
  27 G_BEGIN_DECLS
  28
  29 #define GTK_TYPE_STYLE_CONTEXT         (gtk_style_context_get_type ())
  30 #define GTK_STYLE_CONTEXT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_STYLE_CONTEXT, GtkStyleContext))
  31 #define GTK_STYLE_CONTEXT_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST    ((c), GTK_TYPE_STYLE_CONTEXT, GtkStyleContextClass))
  32 #define GTK_IS_STYLE_CONTEXT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_STYLE_CONTEXT))
  33 #define GTK_IS_STYLE_CONTEXT_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE    ((c), GTK_TYPE_STYLE_CONTEXT))
  34 #define GTK_STYLE_CONTEXT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS  ((o), GTK_TYPE_STYLE_CONTEXT, GtkStyleContextClass))
  35
  36 typedef struct GtkStyleContext GtkStyleContext;
  37 typedef struct GtkStyleContextClass GtkStyleContextClass;
  38
  39 struct GtkStyleContext
  40 {
  41   GObject parent_object;
  42   gpointer priv;
  43 };
  44
  45 struct GtkStyleContextClass
  46 {
  47   GObjectClass parent_class;
  48
  49   void (* changed) (GtkStyleContext *context);
  50 };
  51
  52 GType gtk_style_context_get_type (void) G_GNUC_CONST;
  53
  54 void gtk_style_context_add_provider_for_screen    (GdkScreen        *screen,
  55                                                    GtkStyleProvider *provider,
  56                                                    guint             priority);
  57 void gtk_style_context_remove_provider_for_screen (GdkScreen        *screen,
  58                                                    GtkStyleProvider *provider);
  59
  60 void gtk_style_context_add_provider    (GtkStyleContext  *context,
  61                                         GtkStyleProvider *provider,
  62                                         guint             priority);
  63
  64 void gtk_style_context_remove_provider (GtkStyleContext  *context,
  65                                         GtkStyleProvider *provider);
  66
  67 void gtk_style_context_save    (GtkStyleContext *context);
  68 void gtk_style_context_restore (GtkStyleContext *context);
  69
  70 void gtk_style_context_get_property (GtkStyleContext *context,
  71                                      const gchar     *property,
  72                                      GtkStateFlags    state,
  73                                      GValue          *value);
  74 void gtk_style_context_get_valist   (GtkStyleContext *context,
  75                                      GtkStateFlags    state,
  76                                      va_list          args);
  77 void gtk_style_context_get          (GtkStyleContext *context,
  78                                      GtkStateFlags    state,
  79                                      ...) G_GNUC_NULL_TERMINATED;
  80
  81 void          gtk_style_context_set_state    (GtkStyleContext *context,
  82                                               GtkStateFlags    flags);
  83 GtkStateFlags gtk_style_context_get_state    (GtkStyleContext *context);
  84
  85 gboolean      gtk_style_context_is_state_set (GtkStyleContext *context,
  86                                               GtkStateType     state,
  87                                               gdouble         *progress);
  88
  89 void          gtk_style_context_set_path     (GtkStyleContext *context,
  90                                               GtkWidgetPath   *path);
  91 G_CONST_RETURN GtkWidgetPath * gtk_style_context_get_path (GtkStyleContext *context);
  92
  93 GList *  gtk_style_context_list_classes (GtkStyleContext *context);
  94
  95 void     gtk_style_context_set_class   (GtkStyleContext *context,
  96                                         const gchar     *class_name);
  97 void     gtk_style_context_unset_class (GtkStyleContext *context,
  98                                         const gchar     *class_name);
  99 gboolean gtk_style_context_has_class   (GtkStyleContext *context,
 100                                         const gchar     *class_name);
 101
 102 GList *  gtk_style_context_list_regions (GtkStyleContext *context);
 103
 104 void     gtk_style_context_set_region   (GtkStyleContext    *context,
 105                                          const gchar        *region_name,
 106                                          GtkRegionFlags      flags);
 107 void     gtk_style_context_unset_region (GtkStyleContext    *context,
 108                                          const gchar        *region_name);
 109 gboolean gtk_style_context_has_region   (GtkStyleContext    *context,
 110                                          const gchar        *region_name,
 111                                          GtkRegionFlags     *flags_return);
 112
 113 void gtk_style_context_get_style_property (GtkStyleContext *context,
 114                                            const gchar     *property_name,
 115                                            GValue          *value);
 116 void gtk_style_context_get_style_valist   (GtkStyleContext *context,
 117                                            va_list          args);
 118 void gtk_style_context_get_style          (GtkStyleContext *context,
 119                                            ...);
 120
 121 GtkIconSet * gtk_style_context_lookup_icon_set (GtkStyleContext *context,
 122                                                 const gchar     *stock_id);
 123
 124 void        gtk_style_context_set_screen (GtkStyleContext *context,
 125                                           GdkScreen       *screen);
 126 GdkScreen * gtk_style_context_get_screen (GtkStyleContext *context);
 127
 128 void             gtk_style_context_set_direction (GtkStyleContext  *context,
 129                                                   GtkTextDirection  direction);
 130 GtkTextDirection gtk_style_context_get_direction (GtkStyleContext  *context);
 131
 132 void             gtk_style_context_set_junction_sides (GtkStyleContext  *context,
 133                                                        GtkJunctionSides  sides);
 134 GtkJunctionSides gtk_style_context_get_junction_sides (GtkStyleContext  *context);
 135
 136 gboolean gtk_style_context_lookup_color (GtkStyleContext *context,
 137                                          const gchar     *color_name,
 138                                          GdkColor        *color);
 139
 140 void  gtk_style_context_notify_state_change (GtkStyleContext *context,
 141                                              GdkWindow       *window,
 142                                              gpointer         region_id,
 143                                              GtkStateType     state,
 144                                              gboolean         state_value);
 145 void gtk_style_context_push_animatable_region (GtkStyleContext *context,
 146                                                gpointer         region_id);
 147 void gtk_style_context_pop_animatable_region  (GtkStyleContext *context);
 148
 149
 150 /* Semi-private API */
 151 const GValue * _gtk_style_context_peek_style_property (GtkStyleContext *context,
 152                                                        GType            widget_type,
 153                                                        GParamSpec      *pspec);
 154 void           _gtk_style_context_invalidate_animation_areas (GtkStyleContext *context);
 155 void           _gtk_style_context_coalesce_animation_areas   (GtkStyleContext *context,
 156                                                               gint             rel_x,
 157                                                               gint             rel_y);
 158
 159 /* Animation for state changes */
 160 void gtk_style_context_state_transition_start  (GtkStyleContext *context,
 161                                                 gpointer         identifier,
 162                                                 GtkWidget       *widget,
 163                                                 GtkStateType     state,
 164                                                 gboolean         value,
 165                                                 GdkRectangle    *rect);
 166 void gtk_style_context_state_transition_update (GtkStyleContext *context,
 167                                                 gpointer         identifier,
 168                                                 GdkRectangle    *rect,
 169                                                 GtkStateType     state);
 170 void gtk_style_context_state_transition_stop   (GtkStyleContext *context,
 171                                                 gpointer         identifier);
 172
 173 void gtk_style_context_invalidate (GtkStyleContext *context);
 174 void gtk_style_context_reset_widgets (GdkScreen *screen);
 175
 176 /* Paint methods */
 177 void gtk_render_check (GtkStyleContext *context,
 178                        cairo_t         *cr,
 179                        gdouble          x,
 180                        gdouble          y,
 181                        gdouble          width,
 182                        gdouble          height);
 183 void gtk_render_option (GtkStyleContext *context,
 184                         cairo_t         *cr,
 185                         gdouble          x,
 186                         gdouble          y,
 187                         gdouble          width,
 188                         gdouble          height);
 189 void gtk_render_arrow  (GtkStyleContext *context,
 190                         cairo_t         *cr,
 191                         gdouble          angle,
 192                         gdouble          x,
 193                         gdouble          y,
 194                         gdouble          size);
 195 void gtk_render_background (GtkStyleContext *context,
 196                             cairo_t         *cr,
 197                             gdouble          x,
 198                             gdouble          y,
 199                             gdouble          width,
 200                             gdouble          height);
 201 void gtk_render_frame  (GtkStyleContext *context,
 202                         cairo_t         *cr,
 203                         gdouble          x,
 204                         gdouble          y,
 205                         gdouble          width,
 206                         gdouble          height);
 207 void gtk_render_expander (GtkStyleContext *context,
 208                           cairo_t         *cr,
 209                           gdouble          x,
 210                           gdouble          y,
 211                           gdouble          width,
 212                           gdouble          height);
 213 void gtk_render_focus    (GtkStyleContext *context,
 214                           cairo_t         *cr,
 215                           gdouble          x,
 216                           gdouble          y,
 217                           gdouble          width,
 218                           gdouble          height);
 219 void gtk_render_layout   (GtkStyleContext *context,
 220                           cairo_t         *cr,
 221                           gdouble          x,
 222                           gdouble          y,
 223                           PangoLayout     *layout);
 224 void gtk_render_line     (GtkStyleContext *context,
 225                           cairo_t         *cr,
 226                           gdouble          x0,
 227                           gdouble          y0,
 228                           gdouble          x1,
 229                           gdouble          y1);
 230 void gtk_render_slider   (GtkStyleContext *context,
 231                           cairo_t         *cr,
 232                           gdouble          x,
 233                           gdouble          y,
 234                           gdouble          width,
 235                           gdouble          height,
 236                           GtkOrientation   orientation);
 237 void gtk_render_frame_gap (GtkStyleContext *context,
 238                            cairo_t         *cr,
 239                            gdouble          x,
 240                            gdouble          y,
 241                            gdouble          width,
 242                            gdouble          height,
 243                            GtkPositionType  gap_side,
 244                            gdouble          xy0_gap,
 245                            gdouble          xy1_gap);
 246 void gtk_render_extension (GtkStyleContext *context,
 247                            cairo_t         *cr,
 248                            gdouble          x,
 249                            gdouble          y,
 250                            gdouble          width,
 251                            gdouble          height,
 252                            GtkPositionType  gap_side);
 253 void gtk_render_handle    (GtkStyleContext *context,
 254                            cairo_t         *cr,
 255                            gdouble          x,
 256                            gdouble          y,
 257                            gdouble          width,
 258                            gdouble          height,
 259                            GtkOrientation   orientation);
 260
 261 G_END_DECLS
 262
 263 #endif /* __GTK_STYLE_CONTEXT_H__ */