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mutter/src/theme.h
Havoc Pennington 5efd276a22 Patch from Brian Cameron to implement the vertical/horizontal striped 
2002-11-04  Havoc Pennington  <hp@pobox.com>

        Patch from Brian Cameron to implement the vertical/horizontal
	striped image accelerated scaling from the gtk pixbuf engine.

	* src/theme.c (scale_and_alpha_pixbuf): if an image is
	vertical/horizontal stripes, use special extra-fast scaling
	routines.

	* src/theme-parser.c (parse_draw_op_element): when loading an
	image, mark it as vertically/horizontally striped when appropriate
2002-11-04 17:55:56 +00:00

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/* Metacity Theme Rendering */
/*
* Copyright (C) 2001 Havoc Pennington
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_THEME_H
#define META_THEME_H
#include "gradient.h"
#include "common.h"
#include <gtk/gtkrc.h>
typedef struct _MetaFrameStyle MetaFrameStyle;
typedef struct _MetaFrameStyleSet MetaFrameStyleSet;
typedef struct _MetaDrawOp MetaDrawOp;
typedef struct _MetaDrawOpList MetaDrawOpList;
typedef struct _MetaGradientSpec MetaGradientSpec;
typedef struct _MetaAlphaGradientSpec MetaAlphaGradientSpec;
typedef struct _MetaColorSpec MetaColorSpec;
typedef struct _MetaFrameLayout MetaFrameLayout;
typedef struct _MetaFrameGeometry MetaFrameGeometry;
typedef struct _MetaTheme MetaTheme;
typedef struct _MetaPositionExprEnv MetaPositionExprEnv;
typedef struct _MetaDrawInfo MetaDrawInfo;
#define META_THEME_ERROR (g_quark_from_static_string ("meta-theme-error"))
typedef enum
{
META_THEME_ERROR_FRAME_GEOMETRY,
META_THEME_ERROR_BAD_CHARACTER,
META_THEME_ERROR_BAD_PARENS,
META_THEME_ERROR_UNKNOWN_VARIABLE,
META_THEME_ERROR_DIVIDE_BY_ZERO,
META_THEME_ERROR_MOD_ON_FLOAT,
META_THEME_ERROR_FAILED
} MetaThemeError;
typedef enum
{
META_BUTTON_SIZING_ASPECT,
META_BUTTON_SIZING_FIXED,
META_BUTTON_SIZING_LAST
} MetaButtonSizing;
/* Parameters used to calculate the geometry of the frame */
struct _MetaFrameLayout
{
int refcount;
/* Size of left/right/bottom sides */
int left_width;
int right_width;
int bottom_height;
/* Border of blue title region */
GtkBorder title_border;
/* Extra height for inside of title region, above the font height */
int title_vertical_pad;
/* indent of buttons from edges of frame */
int right_titlebar_edge;
int left_titlebar_edge;
/* Size of buttons */
MetaButtonSizing button_sizing;
double button_aspect; /* height / width */
int button_width;
int button_height;
/* Space around buttons */
GtkBorder button_border;
/* scale factor for title text */
double title_scale;
/* Whether title text will be displayed */
guint has_title : 1;
/* Round corners */
guint top_left_corner_rounded : 1;
guint top_right_corner_rounded : 1;
guint bottom_left_corner_rounded : 1;
guint bottom_right_corner_rounded : 1;
};
/* Calculated actual geometry of the frame */
struct _MetaFrameGeometry
{
int left_width;
int right_width;
int top_height;
int bottom_height;
int width;
int height;
GdkRectangle title_rect;
int left_titlebar_edge;
int right_titlebar_edge;
int top_titlebar_edge;
int bottom_titlebar_edge;
/* used for a memset hack */
#define ADDRESS_OF_BUTTON_RECTS(fgeom) (((char*)(fgeom)) + G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
#define LENGTH_OF_BUTTON_RECTS (G_STRUCT_OFFSET (MetaFrameGeometry, right_right_background) + sizeof (GdkRectangle) - G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
/* The button rects (if changed adjust memset hack) */
GdkRectangle close_rect;
GdkRectangle max_rect;
GdkRectangle min_rect;
GdkRectangle menu_rect;
#define MAX_MIDDLE_BACKGROUNDS (MAX_BUTTONS_PER_CORNER - 2)
GdkRectangle left_left_background;
GdkRectangle left_middle_backgrounds[MAX_MIDDLE_BACKGROUNDS];
GdkRectangle left_right_background;
GdkRectangle right_left_background;
GdkRectangle right_middle_backgrounds[MAX_MIDDLE_BACKGROUNDS];
GdkRectangle right_right_background;
/* End of button rects (if changed adjust memset hack) */
/* Round corners */
guint top_left_corner_rounded : 1;
guint top_right_corner_rounded : 1;
guint bottom_left_corner_rounded : 1;
guint bottom_right_corner_rounded : 1;
};
typedef enum
{
META_IMAGE_FILL_SCALE, /* default, needs to be all-bits-zero for g_new0 */
META_IMAGE_FILL_TILE
} MetaImageFillType;
typedef enum
{
META_COLOR_SPEC_BASIC,
META_COLOR_SPEC_GTK,
META_COLOR_SPEC_BLEND,
META_COLOR_SPEC_SHADE
} MetaColorSpecType;
typedef enum
{
META_GTK_COLOR_FG,
META_GTK_COLOR_BG,
META_GTK_COLOR_LIGHT,
META_GTK_COLOR_DARK,
META_GTK_COLOR_MID,
META_GTK_COLOR_TEXT,
META_GTK_COLOR_BASE,
META_GTK_COLOR_TEXT_AA,
META_GTK_COLOR_LAST
} MetaGtkColorComponent;
struct _MetaColorSpec
{
MetaColorSpecType type;
union
{
struct {
GdkColor color;
} basic;
struct {
MetaGtkColorComponent component;
GtkStateType state;
} gtk;
struct {
MetaColorSpec *foreground;
MetaColorSpec *background;
double alpha;
} blend;
struct {
MetaColorSpec *base;
double factor;
} shade;
} data;
};
struct _MetaGradientSpec
{
MetaGradientType type;
GSList *color_specs;
};
struct _MetaAlphaGradientSpec
{
MetaGradientType type;
unsigned char *alphas;
int n_alphas;
};
struct _MetaDrawInfo
{
GdkPixbuf *mini_icon;
GdkPixbuf *icon;
PangoLayout *title_layout;
int title_layout_width;
int title_layout_height;
const MetaFrameGeometry *fgeom;
};
typedef enum
{
/* Basic drawing */
META_DRAW_LINE,
META_DRAW_RECTANGLE,
META_DRAW_ARC,
/* Clip to a rectangle */
META_DRAW_CLIP,
/* Texture thingies */
META_DRAW_TINT, /* just a filled rectangle with alpha */
META_DRAW_GRADIENT,
META_DRAW_IMAGE,
/* GTK theme engine stuff */
META_DRAW_GTK_ARROW,
META_DRAW_GTK_BOX,
META_DRAW_GTK_VLINE,
/* App's window icon */
META_DRAW_ICON,
/* App's window title */
META_DRAW_TITLE,
/* a draw op list */
META_DRAW_OP_LIST,
/* tiled draw op list */
META_DRAW_TILE
} MetaDrawType;
struct _MetaDrawOp
{
MetaDrawType type;
/* Positions are strings because they can be expressions */
union
{
struct {
MetaColorSpec *color_spec;
int dash_on_length;
int dash_off_length;
int width;
char *x1;
char *y1;
char *x2;
char *y2;
} line;
struct {
MetaColorSpec *color_spec;
gboolean filled;
char *x;
char *y;
char *width;
char *height;
} rectangle;
struct {
MetaColorSpec *color_spec;
gboolean filled;
char *x;
char *y;
char *width;
char *height;
double start_angle;
double extent_angle;
} arc;
struct {
char *x;
char *y;
char *width;
char *height;
} clip;
struct {
MetaColorSpec *color_spec;
MetaAlphaGradientSpec *alpha_spec;
char *x;
char *y;
char *width;
char *height;
} tint;
struct {
MetaGradientSpec *gradient_spec;
MetaAlphaGradientSpec *alpha_spec;
char *x;
char *y;
char *width;
char *height;
} gradient;
struct {
MetaColorSpec *colorize_spec;
MetaAlphaGradientSpec *alpha_spec;
GdkPixbuf *pixbuf;
char *x;
char *y;
char *width;
char *height;
guint32 colorize_cache_pixel;
GdkPixbuf *colorize_cache_pixbuf;
MetaImageFillType fill_type;
unsigned int vertical_stripes : 1;
unsigned int horizontal_stripes : 1;
} image;
struct {
GtkStateType state;
GtkShadowType shadow;
GtkArrowType arrow;
gboolean filled;
char *x;
char *y;
char *width;
char *height;
} gtk_arrow;
struct {
GtkStateType state;
GtkShadowType shadow;
char *x;
char *y;
char *width;
char *height;
} gtk_box;
struct {
GtkStateType state;
char *x;
char *y1;
char *y2;
} gtk_vline;
struct {
MetaAlphaGradientSpec *alpha_spec;
char *x;
char *y;
char *width;
char *height;
MetaImageFillType fill_type;
} icon;
struct {
MetaColorSpec *color_spec;
char *x;
char *y;
} title;
struct {
MetaDrawOpList *op_list;
char *x;
char *y;
char *width;
char *height;
} op_list;
struct {
MetaDrawOpList *op_list;
char *x;
char *y;
char *width;
char *height;
char *tile_xoffset;
char *tile_yoffset;
char *tile_width;
char *tile_height;
} tile;
} data;
};
struct _MetaDrawOpList
{
int refcount;
MetaDrawOp **ops;
int n_ops;
int n_allocated;
};
typedef enum
{
META_BUTTON_STATE_NORMAL,
META_BUTTON_STATE_PRESSED,
META_BUTTON_STATE_PRELIGHT,
META_BUTTON_STATE_LAST
} MetaButtonState;
typedef enum
{
/* Ordered so that background is drawn first */
META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND,
META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND,
META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND,
META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND,
META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND,
META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND,
META_BUTTON_TYPE_CLOSE,
META_BUTTON_TYPE_MAXIMIZE,
META_BUTTON_TYPE_MINIMIZE,
META_BUTTON_TYPE_MENU,
META_BUTTON_TYPE_LAST
} MetaButtonType;
typedef enum
{
META_MENU_ICON_TYPE_CLOSE,
META_MENU_ICON_TYPE_MAXIMIZE,
META_MENU_ICON_TYPE_UNMAXIMIZE,
META_MENU_ICON_TYPE_MINIMIZE,
META_MENU_ICON_TYPE_LAST
} MetaMenuIconType;
typedef enum
{
/* Listed in the order in which the textures are drawn.
* (though this only matters for overlaps of course.)
* Buttons are drawn after the frame textures.
*
* On the corners, horizontal pieces are arbitrarily given the
* corner area:
*
* ===== |====
* | |
* | rather than |
*
*/
/* entire frame */
META_FRAME_PIECE_ENTIRE_BACKGROUND,
/* entire titlebar background */
META_FRAME_PIECE_TITLEBAR,
/* portion of the titlebar background inside the titlebar
* background edges
*/
META_FRAME_PIECE_TITLEBAR_MIDDLE,
/* left end of titlebar */
META_FRAME_PIECE_LEFT_TITLEBAR_EDGE,
/* right end of titlebar */
META_FRAME_PIECE_RIGHT_TITLEBAR_EDGE,
/* top edge of titlebar */
META_FRAME_PIECE_TOP_TITLEBAR_EDGE,
/* bottom edge of titlebar */
META_FRAME_PIECE_BOTTOM_TITLEBAR_EDGE,
/* render over title background (text area) */
META_FRAME_PIECE_TITLE,
/* left edge of the frame */
META_FRAME_PIECE_LEFT_EDGE,
/* right edge of the frame */
META_FRAME_PIECE_RIGHT_EDGE,
/* bottom edge of the frame */
META_FRAME_PIECE_BOTTOM_EDGE,
/* place over entire frame, after drawing everything else */
META_FRAME_PIECE_OVERLAY,
/* Used to get size of the enum */
META_FRAME_PIECE_LAST
} MetaFramePiece;
#define N_GTK_STATES 5
struct _MetaFrameStyle
{
int refcount;
MetaFrameStyle *parent;
MetaDrawOpList *buttons[META_BUTTON_TYPE_LAST][META_BUTTON_STATE_LAST];
MetaDrawOpList *pieces[META_FRAME_PIECE_LAST];
MetaFrameLayout *layout;
};
/* Kinds of frame...
*
* normal -> noresize / vert only / horz only / both
* focused / unfocused
* max -> focused / unfocused
* shaded -> focused / unfocused
* max/shaded -> focused / unfocused
*
* so 4 states with 8 sub-states in one, 2 sub-states in the other 3,
* meaning 14 total
*
* 14 window states times 7 or 8 window types. Except some
* window types never get a frame so that narrows it down a bit.
*
*/
typedef enum
{
META_FRAME_STATE_NORMAL,
META_FRAME_STATE_MAXIMIZED,
META_FRAME_STATE_SHADED,
META_FRAME_STATE_MAXIMIZED_AND_SHADED,
META_FRAME_STATE_LAST
} MetaFrameState;
typedef enum
{
META_FRAME_RESIZE_NONE,
META_FRAME_RESIZE_VERTICAL,
META_FRAME_RESIZE_HORIZONTAL,
META_FRAME_RESIZE_BOTH,
META_FRAME_RESIZE_LAST
} MetaFrameResize;
typedef enum
{
META_FRAME_FOCUS_NO,
META_FRAME_FOCUS_YES,
META_FRAME_FOCUS_LAST
} MetaFrameFocus;
/* One StyleSet per window type (for window types that get a frame) */
struct _MetaFrameStyleSet
{
int refcount;
MetaFrameStyleSet *parent;
MetaFrameStyle *normal_styles[META_FRAME_RESIZE_LAST][META_FRAME_FOCUS_LAST];
MetaFrameStyle *maximized_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *shaded_styles[META_FRAME_FOCUS_LAST];
MetaFrameStyle *maximized_and_shaded_styles[META_FRAME_FOCUS_LAST];
};
struct _MetaTheme
{
char *name;
char *dirname;
char *filename;
char *readable_name;
char *author;
char *copyright;
char *date;
char *description;
GHashTable *integer_constants;
GHashTable *float_constants;
GHashTable *images_by_filename;
GHashTable *layouts_by_name;
GHashTable *draw_op_lists_by_name;
GHashTable *styles_by_name;
GHashTable *style_sets_by_name;
MetaFrameStyleSet *style_sets_by_type[META_FRAME_TYPE_LAST];
MetaDrawOpList *menu_icons[META_MENU_ICON_TYPE_LAST][N_GTK_STATES];
};
struct _MetaPositionExprEnv
{
int x;
int y;
int width;
int height;
/* size of an object being drawn, if it has a natural size */
int object_width;
int object_height;
/* global object sizes, always available */
int left_width;
int right_width;
int top_height;
int bottom_height;
int title_width;
int title_height;
int mini_icon_width;
int mini_icon_height;
int icon_width;
int icon_height;
/* Theme so we can look up constants */
MetaTheme *theme;
};
MetaFrameLayout* meta_frame_layout_new (void);
MetaFrameLayout* meta_frame_layout_copy (const MetaFrameLayout *src);
void meta_frame_layout_ref (MetaFrameLayout *layout);
void meta_frame_layout_unref (MetaFrameLayout *layout);
void meta_frame_layout_get_borders (const MetaFrameLayout *layout,
int text_height,
MetaFrameFlags flags,
int *top_height,
int *bottom_height,
int *left_width,
int *right_width);
void meta_frame_layout_calc_geometry (const MetaFrameLayout *layout,
int text_height,
MetaFrameFlags flags,
int client_width,
int client_height,
const MetaButtonLayout *button_layout,
MetaFrameGeometry *fgeom);
gboolean meta_frame_layout_validate (const MetaFrameLayout *layout,
GError **error);
gboolean meta_parse_position_expression (const char *expr,
const MetaPositionExprEnv *env,
int *x_return,
int *y_return,
GError **err);
gboolean meta_parse_size_expression (const char *expr,
const MetaPositionExprEnv *env,
int *val_return,
GError **err);
MetaColorSpec* meta_color_spec_new (MetaColorSpecType type);
MetaColorSpec* meta_color_spec_new_from_string (const char *str,
GError **err);
MetaColorSpec* meta_color_spec_new_gtk (MetaGtkColorComponent component,
GtkStateType state);
void meta_color_spec_free (MetaColorSpec *spec);
void meta_color_spec_render (MetaColorSpec *spec,
GtkWidget *widget,
GdkColor *color);
MetaDrawOp* meta_draw_op_new (MetaDrawType type);
void meta_draw_op_free (MetaDrawOp *op);
void meta_draw_op_draw (const MetaDrawOp *op,
GtkWidget *widget,
GdkDrawable *drawable,
const GdkRectangle *clip,
const MetaDrawInfo *info,
/* logical region being drawn */
int x,
int y,
int width,
int height);
MetaDrawOpList* meta_draw_op_list_new (int n_preallocs);
void meta_draw_op_list_ref (MetaDrawOpList *op_list);
void meta_draw_op_list_unref (MetaDrawOpList *op_list);
void meta_draw_op_list_draw (const MetaDrawOpList *op_list,
GtkWidget *widget,
GdkDrawable *drawable,
const GdkRectangle *clip,
const MetaDrawInfo *info,
int x,
int y,
int width,
int height);
void meta_draw_op_list_append (MetaDrawOpList *op_list,
MetaDrawOp *op);
gboolean meta_draw_op_list_validate (MetaDrawOpList *op_list,
GError **error);
gboolean meta_draw_op_list_contains (MetaDrawOpList *op_list,
MetaDrawOpList *child);
MetaGradientSpec* meta_gradient_spec_new (MetaGradientType type);
void meta_gradient_spec_free (MetaGradientSpec *desc);
GdkPixbuf* meta_gradient_spec_render (const MetaGradientSpec *desc,
GtkWidget *widget,
int width,
int height);
gboolean meta_gradient_spec_validate (MetaGradientSpec *spec,
GError **error);
MetaAlphaGradientSpec* meta_alpha_gradient_spec_new (MetaGradientType type,
int n_alphas);
void meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec);
MetaFrameStyle* meta_frame_style_new (MetaFrameStyle *parent);
void meta_frame_style_ref (MetaFrameStyle *style);
void meta_frame_style_unref (MetaFrameStyle *style);
void meta_frame_style_draw (MetaFrameStyle *style,
GtkWidget *widget,
GdkDrawable *drawable,
int x_offset,
int y_offset,
const GdkRectangle *clip,
const MetaFrameGeometry *fgeom,
int client_width,
int client_height,
PangoLayout *title_layout,
int text_height,
MetaButtonState button_states[META_BUTTON_TYPE_LAST],
GdkPixbuf *mini_icon,
GdkPixbuf *icon);
gboolean meta_frame_style_validate (MetaFrameStyle *style,
GError **error);
MetaFrameStyleSet* meta_frame_style_set_new (MetaFrameStyleSet *parent);
void meta_frame_style_set_ref (MetaFrameStyleSet *style_set);
void meta_frame_style_set_unref (MetaFrameStyleSet *style_set);
gboolean meta_frame_style_set_validate (MetaFrameStyleSet *style_set,
GError **error);
MetaTheme* meta_theme_get_current (void);
void meta_theme_set_current (const char *name,
gboolean force_reload);
MetaTheme* meta_theme_new (void);
void meta_theme_free (MetaTheme *theme);
gboolean meta_theme_validate (MetaTheme *theme,
GError **error);
GdkPixbuf* meta_theme_load_image (MetaTheme *theme,
const char *filename,
GError **error);
MetaFrameStyle* meta_theme_get_frame_style (MetaTheme *theme,
MetaFrameType type,
MetaFrameFlags flags);
double meta_theme_get_title_scale (MetaTheme *theme,
MetaFrameType type,
MetaFrameFlags flags);
void meta_theme_draw_frame (MetaTheme *theme,
GtkWidget *widget,
GdkDrawable *drawable,
const GdkRectangle *clip,
int x_offset,
int y_offset,
MetaFrameType type,
MetaFrameFlags flags,
int client_width,
int client_height,
PangoLayout *title_layout,
int text_height,
const MetaButtonLayout *button_layout,
MetaButtonState button_states[META_BUTTON_TYPE_LAST],
GdkPixbuf *mini_icon,
GdkPixbuf *icon);
void meta_theme_draw_menu_icon (MetaTheme *theme,
GtkWidget *widget,
GdkDrawable *drawable,
const GdkRectangle *clip,
int x_offset,
int y_offset,
int width,
int height,
MetaMenuIconType type);
void meta_theme_get_frame_borders (MetaTheme *theme,
MetaFrameType type,
int text_height,
MetaFrameFlags flags,
int *top_height,
int *bottom_height,
int *left_width,
int *right_width);
void meta_theme_calc_geometry (MetaTheme *theme,
MetaFrameType type,
int text_height,
MetaFrameFlags flags,
int client_width,
int client_height,
const MetaButtonLayout *button_layout,
MetaFrameGeometry *fgeom);
MetaFrameLayout* meta_theme_lookup_layout (MetaTheme *theme,
const char *name);
void meta_theme_insert_layout (MetaTheme *theme,
const char *name,
MetaFrameLayout *layout);
MetaDrawOpList* meta_theme_lookup_draw_op_list (MetaTheme *theme,
const char *name);
void meta_theme_insert_draw_op_list (MetaTheme *theme,
const char *name,
MetaDrawOpList *op_list);
MetaFrameStyle* meta_theme_lookup_style (MetaTheme *theme,
const char *name);
void meta_theme_insert_style (MetaTheme *theme,
const char *name,
MetaFrameStyle *style);
MetaFrameStyleSet* meta_theme_lookup_style_set (MetaTheme *theme,
const char *name);
void meta_theme_insert_style_set (MetaTheme *theme,
const char *name,
MetaFrameStyleSet *style_set);
gboolean meta_theme_define_int_constant (MetaTheme *theme,
const char *name,
int value,
GError **error);
gboolean meta_theme_lookup_int_constant (MetaTheme *theme,
const char *name,
int *value);
gboolean meta_theme_define_float_constant (MetaTheme *theme,
const char *name,
double value,
GError **error);
gboolean meta_theme_lookup_float_constant (MetaTheme *theme,
const char *name,
double *value);
char* meta_theme_replace_constants (MetaTheme *theme,
const char *expr,
GError **err);
/* random stuff */
PangoFontDescription* meta_gtk_widget_get_font_desc (GtkWidget *widget,
double scale,
const PangoFontDescription *override);
int meta_pango_font_desc_get_text_height (PangoFontDescription *font_desc,
PangoContext *context);
/* Enum converters */
MetaGtkColorComponent meta_color_component_from_string (const char *str);
const char* meta_color_component_to_string (MetaGtkColorComponent component);
MetaButtonState meta_button_state_from_string (const char *str);
const char* meta_button_state_to_string (MetaButtonState state);
MetaButtonType meta_button_type_from_string (const char *str);
const char* meta_button_type_to_string (MetaButtonType type);
MetaMenuIconType meta_menu_icon_type_from_string (const char *str);
const char* meta_menu_icon_type_to_string (MetaMenuIconType type);
MetaFramePiece meta_frame_piece_from_string (const char *str);
const char* meta_frame_piece_to_string (MetaFramePiece piece);
MetaFrameState meta_frame_state_from_string (const char *str);
const char* meta_frame_state_to_string (MetaFrameState state);
MetaFrameResize meta_frame_resize_from_string (const char *str);
const char* meta_frame_resize_to_string (MetaFrameResize resize);
MetaFrameFocus meta_frame_focus_from_string (const char *str);
const char* meta_frame_focus_to_string (MetaFrameFocus focus);
MetaFrameType meta_frame_type_from_string (const char *str);
const char* meta_frame_type_to_string (MetaFrameType type);
MetaGradientType meta_gradient_type_from_string (const char *str);
const char* meta_gradient_type_to_string (MetaGradientType type);
GtkStateType meta_gtk_state_from_string (const char *str);
const char* meta_gtk_state_to_string (GtkStateType state);
GtkShadowType meta_gtk_shadow_from_string (const char *str);
const char* meta_gtk_shadow_to_string (GtkShadowType shadow);
GtkArrowType meta_gtk_arrow_from_string (const char *str);
const char* meta_gtk_arrow_to_string (GtkArrowType arrow);
MetaImageFillType meta_image_fill_type_from_string (const char *str);
const char* meta_image_fill_type_to_string (MetaImageFillType fill_type);
#endif
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