Pileus Git - ~andy/gtk/blob - gtk/gtkthemingengine.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_THEMING_ENGINE_H__
  21 #define __GTK_THEMING_ENGINE_H__
  22
  23 #include <glib-object.h>
  24 #include <cairo.h>
  25
  26 #include <gtk/gtkstylecontext.h>
  27 #include <gtk/gtkwidgetpath.h>
  28 #include <gtk/gtkenums.h>
  29
  30 G_BEGIN_DECLS
  31
  32 #define GTK_TYPE_THEMING_ENGINE         (gtk_theming_engine_get_type ())
  33 #define GTK_THEMING_ENGINE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngine))
  34 #define GTK_THEMING_ENGINE_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST    ((c), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass))
  35 #define GTK_IS_THEMING_ENGINE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_THEMING_ENGINE))
  36 #define GTK_IS_THEMING_ENGINE_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE    ((c), GTK_TYPE_THEMING_ENGINE))
  37 #define GTK_THEMING_ENGINE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS  ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass))
  38
  39 typedef struct GtkThemingEngine GtkThemingEngine;
  40 typedef struct GtkThemingEngineClass GtkThemingEngineClass;
  41
  42 struct GtkThemingEngine
  43 {
  44   GObject parent_object;
  45   gpointer priv;
  46 };
  47
  48 struct GtkThemingEngineClass
  49 {
  50   GObjectClass parent_class;
  51
  52   void (* render_line) (GtkThemingEngine *engine,
  53                         cairo_t          *cr,
  54                         gdouble           x0,
  55                         gdouble           y0,
  56                         gdouble           x1,
  57                         gdouble           y1);
  58   void (* render_background) (GtkThemingEngine *engine,
  59                               cairo_t          *cr,
  60                               gdouble           x,
  61                               gdouble           y,
  62                               gdouble           width,
  63                               gdouble           height);
  64   void (* render_frame) (GtkThemingEngine *engine,
  65                          cairo_t          *cr,
  66                          gdouble           x,
  67                          gdouble           y,
  68                          gdouble           width,
  69                          gdouble           height);
  70   void (* render_frame_gap) (GtkThemingEngine *engine,
  71                              cairo_t          *cr,
  72                              gdouble           x,
  73                              gdouble           y,
  74                              gdouble           width,
  75                              gdouble           height,
  76                              GtkPositionType   gap_side,
  77                              gdouble           xy0_gap,
  78                              gdouble           xy1_gap);
  79   void (* render_extension) (GtkThemingEngine *engine,
  80                              cairo_t          *cr,
  81                              gdouble           x,
  82                              gdouble           y,
  83                              gdouble           width,
  84                              gdouble           height,
  85                              GtkPositionType   gap_side);
  86   void (* render_check) (GtkThemingEngine *engine,
  87                          cairo_t          *cr,
  88                          gdouble           x,
  89                          gdouble           y,
  90                          gdouble           width,
  91                          gdouble           height);
  92   void (* render_option) (GtkThemingEngine *engine,
  93                           cairo_t          *cr,
  94                           gdouble           x,
  95                           gdouble           y,
  96                           gdouble           width,
  97                           gdouble           height);
  98   void (* render_arrow) (GtkThemingEngine *engine,
  99                          cairo_t          *cr,
 100                          gdouble           angle,
 101                          gdouble           x,
 102                          gdouble           y,
 103                          gdouble           size);
 104   void (* render_expander) (GtkThemingEngine *engine,
 105                             cairo_t          *cr,
 106                             gdouble           x,
 107                             gdouble           y,
 108                             gdouble           width,
 109                             gdouble           height);
 110   void (* render_focus) (GtkThemingEngine *engine,
 111                          cairo_t          *cr,
 112                          gdouble           x,
 113                          gdouble           y,
 114                          gdouble           width,
 115                          gdouble           height);
 116   void (* render_layout) (GtkThemingEngine *engine,
 117                           cairo_t          *cr,
 118                           gdouble           x,
 119                           gdouble           y,
 120                           PangoLayout      *layout);
 121   void (* render_slider) (GtkThemingEngine *engine,
 122                           cairo_t          *cr,
 123                           gdouble           x,
 124                           gdouble           y,
 125                           gdouble           width,
 126                           gdouble           height,
 127                           GtkOrientation    orientation);
 128   void (* render_handle)    (GtkThemingEngine *engine,
 129                              cairo_t          *cr,
 130                              gdouble           x,
 131                              gdouble           y,
 132                              gdouble           width,
 133                              gdouble           height,
 134                              GtkOrientation    orientation);
 135 };
 136
 137 GType gtk_theming_engine_get_type (void) G_GNUC_CONST;
 138
 139 void _gtk_theming_engine_set_context (GtkThemingEngine *engine,
 140                                       GtkStyleContext  *context);
 141
 142 void gtk_theming_engine_register_property (GtkThemingEngine       *engine,
 143                                            const gchar            *property_name,
 144                                            GType                   type,
 145                                            const GValue           *default_value,
 146                                            GtkStylePropertyParser  parse_func);
 147
 148 void gtk_theming_engine_get_property (GtkThemingEngine *engine,
 149                                       const gchar      *property,
 150                                       GtkStateFlags     state,
 151                                       GValue           *value);
 152 void gtk_theming_engine_get_valist   (GtkThemingEngine *engine,
 153                                       GtkStateFlags     state,
 154                                       va_list           args);
 155 void gtk_theming_engine_get          (GtkThemingEngine *engine,
 156                                       GtkStateFlags     state,
 157                                       ...) G_GNUC_NULL_TERMINATED;
 158
 159 void gtk_theming_engine_get_style_property (GtkThemingEngine *engine,
 160                                             const gchar      *property_name,
 161                                             GValue           *value);
 162 void gtk_theming_engine_get_style_valist   (GtkThemingEngine *engine,
 163                                             va_list           args);
 164 void gtk_theming_engine_get_style          (GtkThemingEngine *engine,
 165                                             ...);
 166
 167
 168 G_CONST_RETURN GtkWidgetPath * gtk_theming_engine_get_path (GtkThemingEngine *engine);
 169
 170 gboolean gtk_theming_engine_has_class  (GtkThemingEngine *engine,
 171                                         const gchar      *style_class);
 172 gboolean gtk_theming_engine_has_region (GtkThemingEngine *engine,
 173                                         const gchar      *style_class,
 174                                         GtkRegionFlags   *flags);
 175
 176 GtkStateFlags gtk_theming_engine_get_state     (GtkThemingEngine *engine);
 177 gboolean      gtk_theming_engine_is_state_set  (GtkThemingEngine *engine,
 178                                                 GtkStateType      state);
 179
 180 GtkTextDirection gtk_theming_engine_get_direction (GtkThemingEngine *engine);
 181
 182 GtkJunctionSides gtk_theming_engine_get_junction_sides (GtkThemingEngine *engine);
 183
 184 G_CONST_RETURN GtkThemingEngine * gtk_theming_engine_load (const gchar *name);
 185
 186 GdkScreen * gtk_theming_engine_get_screen (GtkThemingEngine *engine);
 187
 188
 189 G_END_DECLS
 190
 191 #endif /* __GTK_THEMING_ENGINE_H__ */