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