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 { /*< skip >*/
  27   GTK_CSS_CHANGE_CLASS                    = (1 <<  0),
  28   GTK_CSS_CHANGE_NAME                     = (1 <<  1),
  29   GTK_CSS_CHANGE_ID                       = GTK_CSS_CHANGE_NAME,
  30   GTK_CSS_CHANGE_REGION                   = GTK_CSS_CHANGE_NAME,
  31   GTK_CSS_CHANGE_POSITION                 = (1 <<  2),
  32   GTK_CSS_CHANGE_STATE                    = (1 <<  3),
  33   GTK_CSS_CHANGE_SIBLING_CLASS            = (1 <<  4),
  34   GTK_CSS_CHANGE_SIBLING_NAME             = (1 <<  5),
  35   GTK_CSS_CHANGE_SIBLING_POSITION         = (1 <<  6),
  36   GTK_CSS_CHANGE_SIBLING_STATE            = (1 <<  7),
  37   GTK_CSS_CHANGE_PARENT_CLASS             = (1 <<  8),
  38   GTK_CSS_CHANGE_PARENT_NAME              = (1 <<  9),
  39   GTK_CSS_CHANGE_PARENT_POSITION          = (1 << 10),
  40   GTK_CSS_CHANGE_PARENT_STATE             = (1 << 11),
  41   GTK_CSS_CHANGE_PARENT_SIBLING_CLASS     = (1 << 12),
  42   GTK_CSS_CHANGE_PARENT_SIBLING_NAME      = (1 << 13),
  43   GTK_CSS_CHANGE_PARENT_SIBLING_POSITION  = (1 << 14),
  44   GTK_CSS_CHANGE_PARENT_SIBLING_STATE     = (1 << 15),
  45   /* add more */
  46 } GtkCssChange;
  47
  48 #define GTK_CSS_CHANGE_ANY ((1 << 16) - 1)
  49 #define GTK_CSS_CHANGE_ANY_SELF (GTK_CSS_CHANGE_CLASS | GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_STATE)
  50 #define GTK_CSS_CHANGE_ANY_SIBLING (GTK_CSS_CHANGE_SIBLING_CLASS | GTK_CSS_CHANGE_SIBLING_NAME | \
  51                                     GTK_CSS_CHANGE_SIBLING_POSITION | GTK_CSS_CHANGE_SIBLING_STATE)
  52 #define GTK_CSS_CHANGE_ANY_PARENT (GTK_CSS_CHANGE_PARENT_CLASS | GTK_CSS_CHANGE_PARENT_SIBLING_CLASS | \
  53                                    GTK_CSS_CHANGE_PARENT_NAME | GTK_CSS_CHANGE_PARENT_SIBLING_NAME | \
  54                                    GTK_CSS_CHANGE_PARENT_POSITION | GTK_CSS_CHANGE_PARENT_SIBLING_POSITION | \
  55                                    GTK_CSS_CHANGE_PARENT_STATE | GTK_CSS_CHANGE_PARENT_SIBLING_STATE)
  56
  57 /* We encode horizontal and vertical repeat in one enum value.
  58  * This eases parsing and storage, but you need to be aware that
  59  * you have to "unpack" this value.
  60  */
  61 #define GTK_CSS_BACKGROUND_REPEAT_SHIFT (8)
  62 #define GTK_CSS_BACKGROUND_REPEAT_MASK ((1 << GTK_CSS_BACKGROUND_REPEAT_SHIFT) - 1)
  63 #define GTK_CSS_BACKGROUND_HORIZONTAL(repeat) ((repeat) & GTK_CSS_BACKGROUND_REPEAT_MASK)
  64 #define GTK_CSS_BACKGROUND_VERTICAL(repeat) (((repeat) >> GTK_CSS_BACKGROUND_REPEAT_SHIFT) & GTK_CSS_BACKGROUND_REPEAT_MASK)
  65 typedef enum /*< enum >*/
  66 {
  67   GTK_CSS_BACKGROUND_INVALID, /*< skip >*/
  68   GTK_CSS_BACKGROUND_REPEAT, /* start at one so we know if a value has been set */
  69   GTK_CSS_BACKGROUND_SPACE,
  70   GTK_CSS_BACKGROUND_ROUND,
  71   GTK_CSS_BACKGROUND_NO_REPEAT,
  72   /* need to hardcode the numer or glib-mkenums makes us into a flags type */
  73   GTK_CSS_BACKGROUND_REPEAT_X = 1025,
  74   GTK_CSS_BACKGROUND_REPEAT_Y = 260
  75 } GtkCssBackgroundRepeat;
  76
  77 typedef enum {
  78   GTK_CSS_REPEAT_STYLE_STRETCH,
  79   GTK_CSS_REPEAT_STYLE_REPEAT,
  80   GTK_CSS_REPEAT_STYLE_ROUND,
  81   GTK_CSS_REPEAT_STYLE_SPACE
  82 } GtkCssBorderRepeatStyle;
  83
  84 typedef enum {
  85   GTK_CSS_AREA_BORDER_BOX,
  86   GTK_CSS_AREA_PADDING_BOX,
  87   GTK_CSS_AREA_CONTENT_BOX
  88 } GtkCssArea;
  89
  90 /* for the order in arrays */
  91 typedef enum /*< skip >*/ {
  92   GTK_CSS_TOP,
  93   GTK_CSS_RIGHT,
  94   GTK_CSS_BOTTOM,
  95   GTK_CSS_LEFT
  96 } GtkCssSide;
  97
  98 typedef enum /*< skip >*/ {
  99   GTK_CSS_TOP_LEFT,
 100   GTK_CSS_TOP_RIGHT,
 101   GTK_CSS_BOTTOM_RIGHT,
 102   GTK_CSS_BOTTOM_LEFT
 103 } GtkCssCorner;
 104
 105 typedef enum /*< skip >*/ {
 106   /* CSS term: <number> */
 107   GTK_CSS_NUMBER,
 108   /* CSS term: <percentage> */
 109   GTK_CSS_PERCENT,
 110   /* CSS term: <length> */
 111   GTK_CSS_PX,
 112   GTK_CSS_PT,
 113   GTK_CSS_EM,
 114   GTK_CSS_EX,
 115   GTK_CSS_PC,
 116   GTK_CSS_IN,
 117   GTK_CSS_CM,
 118   GTK_CSS_MM,
 119   /* CSS term: <angle> */
 120   GTK_CSS_RAD,
 121   GTK_CSS_DEG,
 122   GTK_CSS_GRAD,
 123   GTK_CSS_TURN
 124 } GtkCssUnit;
 125
 126 typedef struct _GtkCssNumber GtkCssNumber;
 127 typedef struct _GtkCssBackgroundSize GtkCssBackgroundSize;
 128 typedef struct _GtkCssBackgroundPosition GtkCssBackgroundPosition;
 129 typedef struct _GtkCssBorderCornerRadius GtkCssBorderCornerRadius;
 130 typedef struct _GtkCssBorderImageRepeat GtkCssBorderImageRepeat;
 131
 132 struct _GtkCssNumber {
 133   gdouble        value;
 134   GtkCssUnit     unit;
 135 };
 136
 137 struct _GtkCssBackgroundSize {
 138   GtkCssNumber width;  /* 0 means auto here */
 139   GtkCssNumber height; /* 0 means auto here */
 140   guint cover :1;
 141   guint contain :1;
 142 };
 143
 144 struct _GtkCssBackgroundPosition {
 145   GtkCssNumber x;
 146   GtkCssNumber y;
 147 };
 148
 149 struct _GtkCssBorderCornerRadius {
 150   GtkCssNumber horizontal;
 151   GtkCssNumber vertical;
 152 };
 153
 154 struct _GtkCssBorderImageRepeat {
 155   GtkCssBorderRepeatStyle vrepeat;
 156   GtkCssBorderRepeatStyle hrepeat;
 157 };
 158
 159 #define GTK_TYPE_CSS_BACKGROUND_SIZE _gtk_css_background_size_get_type ()
 160 #define GTK_TYPE_CSS_BACKGROUND_POSITION _gtk_css_background_position_get_type ()
 161 #define GTK_TYPE_CSS_BORDER_CORNER_RADIUS _gtk_css_border_corner_radius_get_type ()
 162 #define GTK_TYPE_CSS_BORDER_IMAGE_REPEAT _gtk_css_border_image_repeat_get_type ()
 163
 164 GType           _gtk_css_background_size_get_type               (void);
 165 GType           _gtk_css_background_position_get_type           (void);
 166 GType           _gtk_css_border_corner_radius_get_type          (void);
 167 GType           _gtk_css_border_image_repeat_get_type           (void);
 168
 169 GtkCssChange    _gtk_css_change_for_sibling                      (GtkCssChange       match);
 170 GtkCssChange    _gtk_css_change_for_child                        (GtkCssChange       match);
 171
 172 #define GTK_CSS_NUMBER_INIT(_value,_unit) { (_value), (_unit) }
 173 void            _gtk_css_number_init                            (GtkCssNumber       *number,
 174                                                                  double              value,
 175                                                                  GtkCssUnit          unit);
 176 gboolean        _gtk_css_number_equal                           (const GtkCssNumber *one,
 177                                                                  const GtkCssNumber *two);
 178 double          _gtk_css_number_get                             (const GtkCssNumber *number,
 179                                                                  double              one_hundred_percent);
 180 gboolean        _gtk_css_number_compute                         (GtkCssNumber       *dest,
 181                                                                  const GtkCssNumber *src,
 182                                                                  GtkStyleContext    *context);
 183 void            _gtk_css_number_print                           (const GtkCssNumber *number,
 184                                                                  GString            *string);
 185
 186
 187 G_END_DECLS
 188
 189 #endif /* __GTK_CSS_TYPES_PRIVATE_H__ */