gtk2/gtk/gtkcsstypesprivate.h
Matthias Clasen 32332b3a03 Revert "css: Replace _AFFECTS_TEXT with _TEXT_SIZE and _TEXT_CLIP"
This reverts commit 492469a94a.

People have been reporting missing invalidations with this change.
2017-12-17 11:20:50 -05:00

413 lines
16 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GTK_CSS_TYPES_PRIVATE_H__
#define __GTK_CSS_TYPES_PRIVATE_H__
#include <glib-object.h>
#include <gtk/gtkstylecontext.h>
G_BEGIN_DECLS
typedef union _GtkCssMatcher GtkCssMatcher;
typedef struct _GtkCssNode GtkCssNode;
typedef struct _GtkCssNodeDeclaration GtkCssNodeDeclaration;
typedef struct _GtkCssStyle GtkCssStyle;
typedef struct _GtkStyleProviderPrivate GtkStyleProviderPrivate; /* dummy typedef */
#define GTK_CSS_CHANGE_CLASS (1ULL << 0)
#define GTK_CSS_CHANGE_NAME (1ULL << 1)
#define GTK_CSS_CHANGE_ID (1ULL << 2)
#define GTK_CSS_CHANGE_FIRST_CHILD (1ULL << 3)
#define GTK_CSS_CHANGE_LAST_CHILD (1ULL << 4)
#define GTK_CSS_CHANGE_NTH_CHILD (1ULL << 5)
#define GTK_CSS_CHANGE_NTH_LAST_CHILD (1ULL << 6)
#define GTK_CSS_CHANGE_STATE (1ULL << 7)
#define GTK_CSS_CHANGE_SIBLING_CLASS (1ULL << 8)
#define GTK_CSS_CHANGE_SIBLING_NAME (1ULL << 9)
#define GTK_CSS_CHANGE_SIBLING_ID (1ULL << 10)
#define GTK_CSS_CHANGE_SIBLING_FIRST_CHILD (1ULL << 11)
#define GTK_CSS_CHANGE_SIBLING_LAST_CHILD (1ULL << 12)
#define GTK_CSS_CHANGE_SIBLING_NTH_CHILD (1ULL << 13)
#define GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD (1ULL << 14)
#define GTK_CSS_CHANGE_SIBLING_STATE (1ULL << 15)
#define GTK_CSS_CHANGE_PARENT_CLASS (1ULL << 16)
#define GTK_CSS_CHANGE_PARENT_NAME (1ULL << 17)
#define GTK_CSS_CHANGE_PARENT_ID (1ULL << 18)
#define GTK_CSS_CHANGE_PARENT_FIRST_CHILD (1ULL << 19)
#define GTK_CSS_CHANGE_PARENT_LAST_CHILD (1ULL << 20)
#define GTK_CSS_CHANGE_PARENT_NTH_CHILD (1ULL << 21)
#define GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD (1ULL << 22)
#define GTK_CSS_CHANGE_PARENT_STATE (1ULL << 23)
#define GTK_CSS_CHANGE_PARENT_SIBLING_CLASS (1ULL << 24)
#define GTK_CSS_CHANGE_PARENT_SIBLING_ID (1ULL << 25)
#define GTK_CSS_CHANGE_PARENT_SIBLING_NAME (1ULL << 26)
#define GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD (1ULL << 27)
#define GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD (1ULL << 28)
#define GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD (1ULL << 29)
#define GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD (1ULL << 30)
#define GTK_CSS_CHANGE_PARENT_SIBLING_STATE (1ULL << 31)
/* add more */
#define GTK_CSS_CHANGE_SOURCE (1ULL << 32)
#define GTK_CSS_CHANGE_PARENT_STYLE (1ULL << 33)
#define GTK_CSS_CHANGE_TIMESTAMP (1ULL << 34)
#define GTK_CSS_CHANGE_ANIMATIONS (1ULL << 35)
#define GTK_CSS_CHANGE_RESERVED_BIT (1ULL << 62) /* Used internally in gtkcssselector.c */
typedef guint64 GtkCssChange;
#define GTK_CSS_CHANGE_POSITION (GTK_CSS_CHANGE_FIRST_CHILD | GTK_CSS_CHANGE_LAST_CHILD | \
GTK_CSS_CHANGE_NTH_CHILD | GTK_CSS_CHANGE_NTH_LAST_CHILD)
#define GTK_CSS_CHANGE_SIBLING_POSITION (GTK_CSS_CHANGE_SIBLING_FIRST_CHILD | GTK_CSS_CHANGE_SIBLING_LAST_CHILD | \
GTK_CSS_CHANGE_SIBLING_NTH_CHILD | GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD)
#define GTK_CSS_CHANGE_PARENT_POSITION (GTK_CSS_CHANGE_PARENT_FIRST_CHILD | GTK_CSS_CHANGE_PARENT_LAST_CHILD | \
GTK_CSS_CHANGE_PARENT_NTH_CHILD | GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD)
#define GTK_CSS_CHANGE_PARENT_SIBLING_POSITION (GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD | GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD | \
GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD | GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD)
#define GTK_CSS_CHANGE_ANY ((1 << 19) - 1)
#define GTK_CSS_CHANGE_ANY_SELF (GTK_CSS_CHANGE_CLASS | GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_ID | GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_STATE)
#define GTK_CSS_CHANGE_ANY_SIBLING (GTK_CSS_CHANGE_SIBLING_CLASS | GTK_CSS_CHANGE_SIBLING_NAME | \
GTK_CSS_CHANGE_SIBLING_ID | \
GTK_CSS_CHANGE_SIBLING_POSITION | GTK_CSS_CHANGE_SIBLING_STATE)
#define GTK_CSS_CHANGE_ANY_PARENT (GTK_CSS_CHANGE_PARENT_CLASS | GTK_CSS_CHANGE_PARENT_SIBLING_CLASS | \
GTK_CSS_CHANGE_PARENT_NAME | GTK_CSS_CHANGE_PARENT_SIBLING_NAME | \
GTK_CSS_CHANGE_PARENT_ID | GTK_CSS_CHANGE_PARENT_SIBLING_ID | \
GTK_CSS_CHANGE_PARENT_POSITION | GTK_CSS_CHANGE_PARENT_SIBLING_POSITION | \
GTK_CSS_CHANGE_PARENT_STATE | GTK_CSS_CHANGE_PARENT_SIBLING_STATE)
/*
* GtkCssAffects:
* @GTK_CSS_AFFECTS_FOREGROUND: The foreground rendering is affected.
* This does not include things that affect the font. For those,
* see @GTK_CSS_AFFECTS_FONT.
* @GTK_CSS_AFFECTS_BACKGROUND: The background rendering is affected.
* @GTK_CSS_AFFECTS_BORDER: The border styling is affected.
* @GTK_CSS_AFFECTS_PANGO_LAYOUT: Font rendering is affected.
* @GTK_CSS_AFFECTS_FONT: The font is affected and should be reloaded
* if it was cached.
* @GTK_CSS_AFFECTS_TEXT: Text rendering is affected.
* @GTK_CSS_AFFECTS_TEXT_ATTRS: Text attributes are affected.
* @GTK_CSS_AFFECTS_ICON: Fullcolor icons and their rendering is affected.
* @GTK_CSS_AFFECTS_SYMBOLIC_ICON: Symbolic icons and their rendering is affected.
* @GTK_CSS_AFFECTS_OUTLINE: The outline styling is affected. Outlines
* only affect elements that can be focused.
* @GTK_CSS_AFFECTS_CLIP: Changes in this property may have an effect
* on the clipping area of the element. Changes in these properties
* should cause a reevaluation of the element's clip area.
* @GTK_CSS_AFFECTS_SIZE: Changes in this property may have an effect
* on the allocated size of the element. Changes in these properties
* should cause a recomputation of the element's allocated size.
*
* The generic effects that a CSS property can have. If a value is
* set, then the property will have an influence on that feature.
*
* Note that multiple values can be set.
*/
typedef enum {
GTK_CSS_AFFECTS_FOREGROUND = (1 << 0),
GTK_CSS_AFFECTS_BACKGROUND = (1 << 1),
GTK_CSS_AFFECTS_BORDER = (1 << 2),
GTK_CSS_AFFECTS_FONT = (1 << 3),
GTK_CSS_AFFECTS_TEXT = (1 << 4),
GTK_CSS_AFFECTS_TEXT_ATTRS = (1 << 5),
GTK_CSS_AFFECTS_ICON = (1 << 6),
GTK_CSS_AFFECTS_SYMBOLIC_ICON = (1 << 7),
GTK_CSS_AFFECTS_OUTLINE = (1 << 8),
GTK_CSS_AFFECTS_CLIP = (1 << 9),
GTK_CSS_AFFECTS_SIZE = (1 << 10)
} GtkCssAffects;
#define GTK_CSS_AFFECTS_REDRAW (GTK_CSS_AFFECTS_FOREGROUND | \
GTK_CSS_AFFECTS_BACKGROUND | \
GTK_CSS_AFFECTS_BORDER | \
GTK_CSS_AFFECTS_ICON | \
GTK_CSS_AFFECTS_SYMBOLIC_ICON | \
GTK_CSS_AFFECTS_OUTLINE)
enum { /*< skip >*/
GTK_CSS_PROPERTY_COLOR,
GTK_CSS_PROPERTY_DPI,
GTK_CSS_PROPERTY_FONT_SIZE,
GTK_CSS_PROPERTY_ICON_THEME,
GTK_CSS_PROPERTY_ICON_PALETTE,
GTK_CSS_PROPERTY_BACKGROUND_COLOR,
GTK_CSS_PROPERTY_FONT_FAMILY,
GTK_CSS_PROPERTY_FONT_STYLE,
GTK_CSS_PROPERTY_FONT_VARIANT,
GTK_CSS_PROPERTY_FONT_WEIGHT,
GTK_CSS_PROPERTY_FONT_STRETCH,
GTK_CSS_PROPERTY_LETTER_SPACING,
GTK_CSS_PROPERTY_TEXT_DECORATION_LINE,
GTK_CSS_PROPERTY_TEXT_DECORATION_COLOR,
GTK_CSS_PROPERTY_TEXT_DECORATION_STYLE,
GTK_CSS_PROPERTY_TEXT_SHADOW,
GTK_CSS_PROPERTY_BOX_SHADOW,
GTK_CSS_PROPERTY_MARGIN_TOP,
GTK_CSS_PROPERTY_MARGIN_LEFT,
GTK_CSS_PROPERTY_MARGIN_BOTTOM,
GTK_CSS_PROPERTY_MARGIN_RIGHT,
GTK_CSS_PROPERTY_PADDING_TOP,
GTK_CSS_PROPERTY_PADDING_LEFT,
GTK_CSS_PROPERTY_PADDING_BOTTOM,
GTK_CSS_PROPERTY_PADDING_RIGHT,
GTK_CSS_PROPERTY_BORDER_TOP_STYLE,
GTK_CSS_PROPERTY_BORDER_TOP_WIDTH,
GTK_CSS_PROPERTY_BORDER_LEFT_STYLE,
GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH,
GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE,
GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH,
GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE,
GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH,
GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS,
GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS,
GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS,
GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS,
GTK_CSS_PROPERTY_OUTLINE_STYLE,
GTK_CSS_PROPERTY_OUTLINE_WIDTH,
GTK_CSS_PROPERTY_OUTLINE_OFFSET,
GTK_CSS_PROPERTY_OUTLINE_TOP_LEFT_RADIUS,
GTK_CSS_PROPERTY_OUTLINE_TOP_RIGHT_RADIUS,
GTK_CSS_PROPERTY_OUTLINE_BOTTOM_RIGHT_RADIUS,
GTK_CSS_PROPERTY_OUTLINE_BOTTOM_LEFT_RADIUS,
GTK_CSS_PROPERTY_BACKGROUND_CLIP,
GTK_CSS_PROPERTY_BACKGROUND_ORIGIN,
GTK_CSS_PROPERTY_BACKGROUND_SIZE,
GTK_CSS_PROPERTY_BACKGROUND_POSITION,
GTK_CSS_PROPERTY_BORDER_TOP_COLOR,
GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR,
GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR,
GTK_CSS_PROPERTY_BORDER_LEFT_COLOR,
GTK_CSS_PROPERTY_OUTLINE_COLOR,
GTK_CSS_PROPERTY_BACKGROUND_REPEAT,
GTK_CSS_PROPERTY_BACKGROUND_IMAGE,
GTK_CSS_PROPERTY_BACKGROUND_BLEND_MODE,
GTK_CSS_PROPERTY_BORDER_IMAGE_SOURCE,
GTK_CSS_PROPERTY_BORDER_IMAGE_REPEAT,
GTK_CSS_PROPERTY_BORDER_IMAGE_SLICE,
GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH,
GTK_CSS_PROPERTY_ICON_SOURCE,
GTK_CSS_PROPERTY_ICON_SHADOW,
GTK_CSS_PROPERTY_ICON_STYLE,
GTK_CSS_PROPERTY_ICON_TRANSFORM,
GTK_CSS_PROPERTY_MIN_WIDTH,
GTK_CSS_PROPERTY_MIN_HEIGHT,
GTK_CSS_PROPERTY_TRANSITION_PROPERTY,
GTK_CSS_PROPERTY_TRANSITION_DURATION,
GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION,
GTK_CSS_PROPERTY_TRANSITION_DELAY,
GTK_CSS_PROPERTY_ANIMATION_NAME,
GTK_CSS_PROPERTY_ANIMATION_DURATION,
GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION,
GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT,
GTK_CSS_PROPERTY_ANIMATION_DIRECTION,
GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE,
GTK_CSS_PROPERTY_ANIMATION_DELAY,
GTK_CSS_PROPERTY_ANIMATION_FILL_MODE,
GTK_CSS_PROPERTY_OPACITY,
GTK_CSS_PROPERTY_ICON_EFFECT,
GTK_CSS_PROPERTY_ENGINE,
GTK_CSS_PROPERTY_GTK_KEY_BINDINGS,
GTK_CSS_PROPERTY_CARET_COLOR,
GTK_CSS_PROPERTY_SECONDARY_CARET_COLOR,
/* add more */
GTK_CSS_PROPERTY_N_PROPERTIES
};
typedef enum /*< skip >*/ {
GTK_CSS_BLEND_MODE_COLOR,
GTK_CSS_BLEND_MODE_COLOR_BURN,
GTK_CSS_BLEND_MODE_COLOR_DODGE,
GTK_CSS_BLEND_MODE_DARKEN,
GTK_CSS_BLEND_MODE_DIFFERENCE,
GTK_CSS_BLEND_MODE_EXCLUSION,
GTK_CSS_BLEND_MODE_HARD_LIGHT,
GTK_CSS_BLEND_MODE_HUE,
GTK_CSS_BLEND_MODE_LIGHTEN,
GTK_CSS_BLEND_MODE_LUMINOSITY,
GTK_CSS_BLEND_MODE_MULTIPLY,
GTK_CSS_BLEND_MODE_NORMAL,
GTK_CSS_BLEND_MODE_OVERLAY,
GTK_CSS_BLEND_MODE_SATURATE,
GTK_CSS_BLEND_MODE_SCREEN,
GTK_CSS_BLEND_MODE_SOFT_LIGHT
} GtkCssBlendMode;
typedef enum /*< skip >*/ {
GTK_CSS_IMAGE_BUILTIN_NONE,
GTK_CSS_IMAGE_BUILTIN_CHECK,
GTK_CSS_IMAGE_BUILTIN_CHECK_INCONSISTENT,
GTK_CSS_IMAGE_BUILTIN_OPTION,
GTK_CSS_IMAGE_BUILTIN_OPTION_INCONSISTENT,
GTK_CSS_IMAGE_BUILTIN_ARROW_UP,
GTK_CSS_IMAGE_BUILTIN_ARROW_DOWN,
GTK_CSS_IMAGE_BUILTIN_ARROW_LEFT,
GTK_CSS_IMAGE_BUILTIN_ARROW_RIGHT,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_HORIZONTAL_LEFT,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_VERTICAL_LEFT,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_HORIZONTAL_RIGHT,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_VERTICAL_RIGHT,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_HORIZONTAL_LEFT_EXPANDED,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_VERTICAL_LEFT_EXPANDED,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_HORIZONTAL_RIGHT_EXPANDED,
GTK_CSS_IMAGE_BUILTIN_EXPANDER_VERTICAL_RIGHT_EXPANDED,
GTK_CSS_IMAGE_BUILTIN_GRIP_TOPLEFT,
GTK_CSS_IMAGE_BUILTIN_GRIP_TOP,
GTK_CSS_IMAGE_BUILTIN_GRIP_TOPRIGHT,
GTK_CSS_IMAGE_BUILTIN_GRIP_RIGHT,
GTK_CSS_IMAGE_BUILTIN_GRIP_BOTTOMRIGHT,
GTK_CSS_IMAGE_BUILTIN_GRIP_BOTTOM,
GTK_CSS_IMAGE_BUILTIN_GRIP_BOTTOMLEFT,
GTK_CSS_IMAGE_BUILTIN_GRIP_LEFT,
GTK_CSS_IMAGE_BUILTIN_PANE_SEPARATOR,
GTK_CSS_IMAGE_BUILTIN_HANDLE,
GTK_CSS_IMAGE_BUILTIN_SPINNER
} GtkCssImageBuiltinType;
typedef enum /*< skip >*/ {
GTK_CSS_AREA_BORDER_BOX,
GTK_CSS_AREA_PADDING_BOX,
GTK_CSS_AREA_CONTENT_BOX
} GtkCssArea;
typedef enum /*< skip >*/ {
GTK_CSS_DIRECTION_NORMAL,
GTK_CSS_DIRECTION_REVERSE,
GTK_CSS_DIRECTION_ALTERNATE,
GTK_CSS_DIRECTION_ALTERNATE_REVERSE
} GtkCssDirection;
typedef enum /*< skip >*/ {
GTK_CSS_PLAY_STATE_RUNNING,
GTK_CSS_PLAY_STATE_PAUSED
} GtkCssPlayState;
typedef enum /*< skip >*/ {
GTK_CSS_FILL_NONE,
GTK_CSS_FILL_FORWARDS,
GTK_CSS_FILL_BACKWARDS,
GTK_CSS_FILL_BOTH
} GtkCssFillMode;
typedef enum /*< skip >*/ {
GTK_CSS_ICON_EFFECT_NONE,
GTK_CSS_ICON_EFFECT_HIGHLIGHT,
GTK_CSS_ICON_EFFECT_DIM
} GtkCssIconEffect;
typedef enum /*< skip >*/ {
GTK_CSS_ICON_STYLE_REQUESTED,
GTK_CSS_ICON_STYLE_REGULAR,
GTK_CSS_ICON_STYLE_SYMBOLIC
} GtkCssIconStyle;
typedef enum /*< skip >*/ {
/* relative font sizes */
GTK_CSS_FONT_SIZE_SMALLER,
GTK_CSS_FONT_SIZE_LARGER,
/* absolute font sizes */
GTK_CSS_FONT_SIZE_XX_SMALL,
GTK_CSS_FONT_SIZE_X_SMALL,
GTK_CSS_FONT_SIZE_SMALL,
GTK_CSS_FONT_SIZE_MEDIUM,
GTK_CSS_FONT_SIZE_LARGE,
GTK_CSS_FONT_SIZE_X_LARGE,
GTK_CSS_FONT_SIZE_XX_LARGE
} GtkCssFontSize;
typedef enum /*< skip >*/ {
GTK_CSS_TEXT_DECORATION_LINE_NONE,
GTK_CSS_TEXT_DECORATION_LINE_UNDERLINE,
GTK_CSS_TEXT_DECORATION_LINE_LINE_THROUGH
} GtkTextDecorationLine;
typedef enum /*< skip >*/ {
GTK_CSS_TEXT_DECORATION_STYLE_SOLID,
GTK_CSS_TEXT_DECORATION_STYLE_DOUBLE,
GTK_CSS_TEXT_DECORATION_STYLE_WAVY
} GtkTextDecorationStyle;
/* for the order in arrays */
typedef enum /*< skip >*/ {
GTK_CSS_TOP,
GTK_CSS_RIGHT,
GTK_CSS_BOTTOM,
GTK_CSS_LEFT
} GtkCssSide;
typedef enum /*< skip >*/ {
GTK_CSS_TOP_LEFT,
GTK_CSS_TOP_RIGHT,
GTK_CSS_BOTTOM_RIGHT,
GTK_CSS_BOTTOM_LEFT
} GtkCssCorner;
typedef enum /*< skip >*/ {
GTK_CSS_DIMENSION_PERCENTAGE,
GTK_CSS_DIMENSION_NUMBER,
GTK_CSS_DIMENSION_LENGTH,
GTK_CSS_DIMENSION_ANGLE,
GTK_CSS_DIMENSION_TIME
} GtkCssDimension;
typedef enum /*< skip >*/ {
/* CSS term: <number> */
GTK_CSS_NUMBER,
/* CSS term: <percentage> */
GTK_CSS_PERCENT,
/* CSS term: <length> */
GTK_CSS_PX,
GTK_CSS_PT,
GTK_CSS_EM,
GTK_CSS_EX,
GTK_CSS_REM,
GTK_CSS_PC,
GTK_CSS_IN,
GTK_CSS_CM,
GTK_CSS_MM,
/* CSS term: <angle> */
GTK_CSS_RAD,
GTK_CSS_DEG,
GTK_CSS_GRAD,
GTK_CSS_TURN,
/* CSS term: <time> */
GTK_CSS_S,
GTK_CSS_MS,
} GtkCssUnit;
cairo_operator_t _gtk_css_blend_mode_get_operator (GtkCssBlendMode mode);
GtkCssChange _gtk_css_change_for_sibling (GtkCssChange match);
GtkCssChange _gtk_css_change_for_child (GtkCssChange match);
GtkCssDimension gtk_css_unit_get_dimension (GtkCssUnit unit);
char * gtk_css_change_to_string (GtkCssChange change);
void gtk_css_change_print (GtkCssChange change,
GString *string);
/* for lack of better place to put it */
/* mirror what cairo does */
#define gtk_rgba_is_clear(rgba) ((rgba)->alpha < ((double)0x00ff / (double)0xffff))
G_END_DECLS
#endif /* __GTK_CSS_TYPES_PRIVATE_H__ */