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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2011 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, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __GTK_CSS_TYPES_PRIVATE_H__
  21 #define __GTK_CSS_TYPES_PRIVATE_H__
  22
  23 #include <glib-object.h>
  24 #include <gtk/gtkstylecontext.h>
  25
  26 G_BEGIN_DECLS
  27
  28 typedef enum {
  29   GTK_CSS_INHERIT,
  30   GTK_CSS_INITIAL
  31 } GtkCssSpecialValue;
  32
  33 /* We encode horizontal and vertical repeat in one enum value.
  34  * This eases parsing and storage, but you need to be aware that
  35  * you have to "unpack" this value.
  36  */
  37 #define GTK_CSS_BACKGROUND_REPEAT_SHIFT (8)
  38 #define GTK_CSS_BACKGROUND_REPEAT_MASK ((1 << GTK_CSS_BACKGROUND_REPEAT_SHIFT) - 1)
  39 #define GTK_CSS_BACKGROUND_HORIZONTAL(repeat) ((repeat) & GTK_CSS_BACKGROUND_REPEAT_MASK)
  40 #define GTK_CSS_BACKGROUND_VERTICAL(repeat) (((repeat) >> GTK_CSS_BACKGROUND_REPEAT_SHIFT) & GTK_CSS_BACKGROUND_REPEAT_MASK)
  41 typedef enum /*< enum >*/
  42 {
  43   GTK_CSS_BACKGROUND_INVALID, /*< skip >*/
  44   GTK_CSS_BACKGROUND_REPEAT, /* start at one so we know if a value has been set */
  45   GTK_CSS_BACKGROUND_SPACE,
  46   GTK_CSS_BACKGROUND_ROUND,
  47   GTK_CSS_BACKGROUND_NO_REPEAT,
  48   /* need to hardcode the numer or glib-mkenums makes us into a flags type */
  49   GTK_CSS_BACKGROUND_REPEAT_X = 1025,
  50   GTK_CSS_BACKGROUND_REPEAT_Y = 260
  51 } GtkCssBackgroundRepeat;
  52
  53 typedef enum {
  54   GTK_CSS_REPEAT_STYLE_STRETCH,
  55   GTK_CSS_REPEAT_STYLE_REPEAT,
  56   GTK_CSS_REPEAT_STYLE_ROUND,
  57   GTK_CSS_REPEAT_STYLE_SPACE
  58 } GtkCssBorderRepeatStyle;
  59
  60 typedef enum {
  61   GTK_CSS_AREA_BORDER_BOX,
  62   GTK_CSS_AREA_PADDING_BOX,
  63   GTK_CSS_AREA_CONTENT_BOX
  64 } GtkCssArea;
  65
  66 /* for the order in arrays */
  67 typedef enum /*< skip >*/ {
  68   GTK_CSS_TOP,
  69   GTK_CSS_RIGHT,
  70   GTK_CSS_BOTTOM,
  71   GTK_CSS_LEFT
  72 } GtkCssSide;
  73
  74 typedef enum /*< skip >*/ {
  75   GTK_CSS_TOP_LEFT,
  76   GTK_CSS_TOP_RIGHT,
  77   GTK_CSS_BOTTOM_RIGHT,
  78   GTK_CSS_BOTTOM_LEFT
  79 } GtkCssCorner;
  80
  81 typedef enum /*< skip >*/ {
  82   /* CSS term: <number> */
  83   GTK_CSS_NUMBER,
  84   /* CSS term: <percentage> */
  85   GTK_CSS_PERCENT,
  86   /* CSS term: <length> */
  87   GTK_CSS_PX,
  88   GTK_CSS_PT,
  89   GTK_CSS_EM,
  90   GTK_CSS_EX,
  91   GTK_CSS_PC,
  92   GTK_CSS_IN,
  93   GTK_CSS_CM,
  94   GTK_CSS_MM,
  95   /* CSS term: <angle> */
  96   GTK_CSS_RAD,
  97   GTK_CSS_DEG,
  98   GTK_CSS_GRAD,
  99   GTK_CSS_TURN
 100 } GtkCssUnit;
 101
 102 typedef struct _GtkCssNumber GtkCssNumber;
 103 typedef struct _GtkCssBackgroundSize GtkCssBackgroundSize;
 104 typedef struct _GtkCssBorderCornerRadius GtkCssBorderCornerRadius;
 105 typedef struct _GtkCssBorderImageRepeat GtkCssBorderImageRepeat;
 106
 107 struct _GtkCssNumber {
 108   gdouble        value;
 109   GtkCssUnit     unit;
 110 };
 111
 112 struct _GtkCssBackgroundSize {
 113   GtkCssNumber width;  /* 0 means auto here */
 114   GtkCssNumber height; /* 0 means auto here */
 115   guint cover :1;
 116   guint contain :1;
 117 };
 118
 119 struct _GtkCssBorderCornerRadius {
 120   GtkCssNumber horizontal;
 121   GtkCssNumber vertical;
 122 };
 123
 124 struct _GtkCssBorderImageRepeat {
 125   GtkCssBorderRepeatStyle vrepeat;
 126   GtkCssBorderRepeatStyle hrepeat;
 127 };
 128
 129 #define GTK_TYPE_CSS_BACKGROUND_SIZE _gtk_css_background_size_get_type ()
 130 #define GTK_TYPE_CSS_BORDER_CORNER_RADIUS _gtk_css_border_corner_radius_get_type ()
 131 #define GTK_TYPE_CSS_BORDER_IMAGE_REPEAT _gtk_css_border_image_repeat_get_type ()
 132 #define GTK_TYPE_CSS_NUMBER _gtk_css_number_get_type ()
 133
 134 GType           _gtk_css_background_size_get_type               (void);
 135 GType           _gtk_css_border_corner_radius_get_type          (void);
 136 GType           _gtk_css_border_image_repeat_get_type           (void);
 137 GType           _gtk_css_number_get_type                        (void);
 138
 139 #define GTK_CSS_NUMBER_INIT(_value,_unit) { (_value), (_unit) }
 140 void            _gtk_css_number_init                            (GtkCssNumber       *number,
 141                                                                  double              value,
 142                                                                  GtkCssUnit          unit);
 143 gboolean        _gtk_css_number_equal                           (const GtkCssNumber *one,
 144                                                                  const GtkCssNumber *two);
 145 double          _gtk_css_number_get                             (const GtkCssNumber *number,
 146                                                                  double              one_hundred_percent);
 147 void            _gtk_css_number_compute                         (GtkCssNumber       *dest,
 148                                                                  const GtkCssNumber *src,
 149                                                                  GtkStyleContext    *context);
 150 void            _gtk_css_number_print                           (const GtkCssNumber *number,
 151                                                                  GString            *string);
 152
 153
 154 G_END_DECLS
 155
 156 #endif /* __GTK_CSS_TYPES_PRIVATE_H__ */