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 GtkStyleContext * gtk_style_context_new (void);
  55
  56 void gtk_style_context_add_provider_for_screen    (GdkScreen        *screen,
  57                                                    GtkStyleProvider *provider,
  58                                                    guint             priority);
  59 void gtk_style_context_remove_provider_for_screen (GdkScreen        *screen,
  60                                                    GtkStyleProvider *provider);
  61
  62 void gtk_style_context_add_provider    (GtkStyleContext  *context,
  63                                         GtkStyleProvider *provider,
  64                                         guint             priority);
  65
  66 void gtk_style_context_remove_provider (GtkStyleContext  *context,
  67                                         GtkStyleProvider *provider);
  68
  69 void gtk_style_context_save    (GtkStyleContext *context);
  70 void gtk_style_context_restore (GtkStyleContext *context);
  71
  72 void gtk_style_context_get_property (GtkStyleContext *context,
  73                                      const gchar     *property,
  74                                      GtkStateFlags    state,
  75                                      GValue          *value);
  76 void gtk_style_context_get_valist   (GtkStyleContext *context,
  77                                      GtkStateFlags    state,
  78                                      va_list          args);
  79 void gtk_style_context_get          (GtkStyleContext *context,
  80                                      GtkStateFlags    state,
  81                                      ...) G_GNUC_NULL_TERMINATED;
  82
  83 void          gtk_style_context_set_state    (GtkStyleContext *context,
  84                                               GtkStateFlags    flags);
  85 GtkStateFlags gtk_style_context_get_state    (GtkStyleContext *context);
  86
  87 gboolean      gtk_style_context_is_state_set (GtkStyleContext *context,
  88                                               GtkStateType     state,
  89                                               gdouble         *progress);
  90
  91 void          gtk_style_context_set_path     (GtkStyleContext *context,
  92                                               GtkWidgetPath   *path);
  93 G_CONST_RETURN GtkWidgetPath * gtk_style_context_get_path (GtkStyleContext *context);
  94
  95 GList *  gtk_style_context_list_classes (GtkStyleContext *context);
  96
  97 void     gtk_style_context_set_class   (GtkStyleContext *context,
  98                                         const gchar     *class_name);
  99 void     gtk_style_context_unset_class (GtkStyleContext *context,
 100                                         const gchar     *class_name);
 101 gboolean gtk_style_context_has_class   (GtkStyleContext *context,
 102                                         const gchar     *class_name);
 103
 104 GList *  gtk_style_context_list_regions (GtkStyleContext *context);
 105
 106 void     gtk_style_context_set_region   (GtkStyleContext    *context,
 107                                          const gchar        *region_name,
 108                                          GtkRegionFlags      flags);
 109 void     gtk_style_context_unset_region (GtkStyleContext    *context,
 110                                          const gchar        *region_name);
 111 gboolean gtk_style_context_has_region   (GtkStyleContext    *context,
 112                                          const gchar        *region_name,
 113                                          GtkRegionFlags     *flags_return);
 114
 115 void gtk_style_context_get_style_property (GtkStyleContext *context,
 116                                            const gchar     *property_name,
 117                                            GValue          *value);
 118 void gtk_style_context_get_style_valist   (GtkStyleContext *context,
 119                                            va_list          args);
 120 void gtk_style_context_get_style          (GtkStyleContext *context,
 121                                            ...);
 122
 123 GtkIconSet * gtk_style_context_lookup_icon_set (GtkStyleContext *context,
 124                                                 const gchar     *stock_id);
 125
 126 void        gtk_style_context_set_screen (GtkStyleContext *context,
 127                                           GdkScreen       *screen);
 128 GdkScreen * gtk_style_context_get_screen (GtkStyleContext *context);
 129
 130 void             gtk_style_context_set_direction (GtkStyleContext  *context,
 131                                                   GtkTextDirection  direction);
 132 GtkTextDirection gtk_style_context_get_direction (GtkStyleContext  *context);
 133
 134 void             gtk_style_context_set_junction_sides (GtkStyleContext  *context,
 135                                                        GtkJunctionSides  sides);
 136 GtkJunctionSides gtk_style_context_get_junction_sides (GtkStyleContext  *context);
 137
 138 gboolean gtk_style_context_lookup_color (GtkStyleContext *context,
 139                                          const gchar     *color_name,
 140                                          GdkColor        *color);
 141
 142 void  gtk_style_context_notify_state_change (GtkStyleContext *context,
 143                                              GdkWindow       *window,
 144                                              gpointer         region_id,
 145                                              GtkStateType     state,
 146                                              gboolean         state_value);
 147 void gtk_style_context_push_animatable_region (GtkStyleContext *context,
 148                                                gpointer         region_id);
 149 void gtk_style_context_pop_animatable_region  (GtkStyleContext *context);
 150
 151
 152 /* Semi-private API */
 153 const GValue * _gtk_style_context_peek_style_property (GtkStyleContext *context,
 154                                                        GType            widget_type,
 155                                                        GParamSpec      *pspec);
 156 void           _gtk_style_context_invalidate_animation_areas (GtkStyleContext *context);
 157 void           _gtk_style_context_coalesce_animation_areas   (GtkStyleContext *context,
 158                                                               gint             rel_x,
 159                                                               gint             rel_y);
 160
 161 /* Animation for state changes */
 162 void gtk_style_context_state_transition_start  (GtkStyleContext *context,
 163                                                 gpointer         identifier,
 164                                                 GtkWidget       *widget,
 165                                                 GtkStateType     state,
 166                                                 gboolean         value,
 167                                                 GdkRectangle    *rect);
 168 void gtk_style_context_state_transition_update (GtkStyleContext *context,
 169                                                 gpointer         identifier,
 170                                                 GdkRectangle    *rect,
 171                                                 GtkStateType     state);
 172 void gtk_style_context_state_transition_stop   (GtkStyleContext *context,
 173                                                 gpointer         identifier);
 174
 175 void gtk_style_context_invalidate (GtkStyleContext *context);
 176 void gtk_style_context_reset_widgets (GdkScreen *screen);
 177
 178 /* Paint methods */
 179 void gtk_render_check (GtkStyleContext *context,
 180                        cairo_t         *cr,
 181                        gdouble          x,
 182                        gdouble          y,
 183                        gdouble          width,
 184                        gdouble          height);
 185 void gtk_render_option (GtkStyleContext *context,
 186                         cairo_t         *cr,
 187                         gdouble          x,
 188                         gdouble          y,
 189                         gdouble          width,
 190                         gdouble          height);
 191 void gtk_render_arrow  (GtkStyleContext *context,
 192                         cairo_t         *cr,
 193                         gdouble          angle,
 194                         gdouble          x,
 195                         gdouble          y,
 196                         gdouble          size);
 197 void gtk_render_background (GtkStyleContext *context,
 198                             cairo_t         *cr,
 199                             gdouble          x,
 200                             gdouble          y,
 201                             gdouble          width,
 202                             gdouble          height);
 203 void gtk_render_frame  (GtkStyleContext *context,
 204                         cairo_t         *cr,
 205                         gdouble          x,
 206                         gdouble          y,
 207                         gdouble          width,
 208                         gdouble          height);
 209 void gtk_render_expander (GtkStyleContext *context,
 210                           cairo_t         *cr,
 211                           gdouble          x,
 212                           gdouble          y,
 213                           gdouble          width,
 214                           gdouble          height);
 215 void gtk_render_focus    (GtkStyleContext *context,
 216                           cairo_t         *cr,
 217                           gdouble          x,
 218                           gdouble          y,
 219                           gdouble          width,
 220                           gdouble          height);
 221 void gtk_render_layout   (GtkStyleContext *context,
 222                           cairo_t         *cr,
 223                           gdouble          x,
 224                           gdouble          y,
 225                           PangoLayout     *layout);
 226 void gtk_render_line     (GtkStyleContext *context,
 227                           cairo_t         *cr,
 228                           gdouble          x0,
 229                           gdouble          y0,
 230                           gdouble          x1,
 231                           gdouble          y1);
 232 void gtk_render_slider   (GtkStyleContext *context,
 233                           cairo_t         *cr,
 234                           gdouble          x,
 235                           gdouble          y,
 236                           gdouble          width,
 237                           gdouble          height,
 238                           GtkOrientation   orientation);
 239 void gtk_render_frame_gap (GtkStyleContext *context,
 240                            cairo_t         *cr,
 241                            gdouble          x,
 242                            gdouble          y,
 243                            gdouble          width,
 244                            gdouble          height,
 245                            GtkPositionType  gap_side,
 246                            gdouble          xy0_gap,
 247                            gdouble          xy1_gap);
 248 void gtk_render_extension (GtkStyleContext *context,
 249                            cairo_t         *cr,
 250                            gdouble          x,
 251                            gdouble          y,
 252                            gdouble          width,
 253                            gdouble          height,
 254                            GtkPositionType  gap_side);
 255 void gtk_render_handle    (GtkStyleContext *context,
 256                            cairo_t         *cr,
 257                            gdouble          x,
 258                            gdouble          y,
 259                            gdouble          width,
 260                            gdouble          height);
 261 void gtk_render_progress  (GtkStyleContext *context,
 262                            cairo_t         *cr,
 263                            gdouble          x,
 264                            gdouble          y,
 265                            gdouble          width,
 266                            gdouble          height);
 267
 268 G_END_DECLS
 269
 270 #endif /* __GTK_STYLE_CONTEXT_H__ */