gtkstyle.h

windows平台下开发gtk程序所需要的库和头文件等

/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * 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, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
 */

#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif

#ifndef __GTK_STYLE_H__
#define __GTK_STYLE_H__


#include <gdk/gdk.h>
#include <gtk/gtkenums.h>
#include <pango/pango.h>

G_BEGIN_DECLS

#define GTK_TYPE_STYLE              (gtk_style_get_type ())
#define GTK_STYLE(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_STYLE, GtkStyle))
#define GTK_STYLE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_STYLE, GtkStyleClass))
#define GTK_IS_STYLE(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_STYLE))
#define GTK_IS_STYLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_STYLE))
#define GTK_STYLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_STYLE, GtkStyleClass))

#define GTK_TYPE_BORDER             (gtk_border_get_type ())

/* Some forward declarations needed to rationalize the header
 * files.
 */
typedef struct _GtkBorder      GtkBorder;
typedef struct _GtkStyle       GtkStyle;
typedef struct _GtkStyleClass  GtkStyleClass;
typedef struct _GtkThemeEngine GtkThemeEngine;
typedef struct _GtkRcStyle     GtkRcStyle;
typedef struct _GtkIconSet     GtkIconSet;
typedef struct _GtkIconSource  GtkIconSource;
typedef struct _GtkRcProperty  GtkRcProperty;
typedef struct _GtkSettings    GtkSettings;
typedef gboolean (*GtkRcPropertyParser) (const GParamSpec *pspec,
					 const GString    *rc_string,
					 GValue           *property_value);

/* We make this forward declaration here, since we pass
 * GtkWidget's to the draw functions.
 */
typedef struct _GtkWidget      GtkWidget;

#define GTK_STYLE_ATTACHED(style)	(GTK_STYLE (style)->attach_count > 0)

struct _GtkStyle
{
  GObject parent_instance;

  /*< public >*/

  GdkColor fg[5];
  GdkColor bg[5];
  GdkColor light[5];
  GdkColor dark[5];
  GdkColor mid[5];
  GdkColor text[5];
  GdkColor base[5];
  GdkColor text_aa[5];		/* Halfway between text/base */

  GdkColor black;
  GdkColor white;
  PangoFontDescription *font_desc;

  gint xthickness;
  gint ythickness;

  GdkGC *fg_gc[5];
  GdkGC *bg_gc[5];
  GdkGC *light_gc[5];
  GdkGC *dark_gc[5];
  GdkGC *mid_gc[5];
  GdkGC *text_gc[5];
  GdkGC *base_gc[5];
  GdkGC *text_aa_gc[5];
  GdkGC *black_gc;
  GdkGC *white_gc;

  GdkPixmap *bg_pixmap[5];

  /*< private >*/

  gint attach_count;

  gint depth;
  GdkColormap *colormap;
  GdkFont *private_font;
  PangoFontDescription *private_font_desc; /* Font description for style->private_font or %NULL */

  /* the RcStyle from which this style was created */
  GtkRcStyle	 *rc_style;

  GSList	 *styles;	  /* of type GtkStyle* */
  GArray	 *property_cache;
  GSList         *icon_factories; /* of type GtkIconFactory* */
};

struct _GtkStyleClass
{
  GObjectClass parent_class;

  /* Initialize for a particular colormap/depth
   * combination. style->colormap/style->depth will have
   * been set at this point. Will typically chain to parent.
   */
  void (*realize)               (GtkStyle               *style);

  /* Clean up for a particular colormap/depth combination. Will
   * typically chain to parent.
   */
  void (*unrealize)             (GtkStyle               *style);

  /* Make style an exact duplicate of src.
   */
  void (*copy)                  (GtkStyle               *style,
				 GtkStyle               *src);

  /* Create an empty style of the same type as this style.
   * The default implementation, which does
   * g_object_new (G_OBJECT_TYPE (style), NULL);
   * should work in most cases.
   */
  GtkStyle *(*clone)             (GtkStyle               *style);

  /* Initialize the GtkStyle with the values in the GtkRcStyle.
   * should chain to the parent implementation.
   */
  void     (*init_from_rc)      (GtkStyle               *style,
				 GtkRcStyle             *rc_style);

  void (*set_background)        (GtkStyle               *style,
				 GdkWindow              *window,
				 GtkStateType            state_type);


  GdkPixbuf * (* render_icon)   (GtkStyle               *style,
                                 const GtkIconSource    *source,
                                 GtkTextDirection        direction,
                                 GtkStateType            state,
                                 GtkIconSize             size,
                                 GtkWidget              *widget,
                                 const gchar            *detail);

  /* Drawing functions
   */

  void (*draw_hline)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x1,
				 gint			 x2,
				 gint			 y);
  void (*draw_vline)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 y1_,
				 gint			 y2_,
				 gint			 x);
  void (*draw_shadow)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_polygon)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 GdkPoint		*point,
				 gint			 npoints,
				 gboolean		 fill);
  void (*draw_arrow)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 GtkArrowType		 arrow_type,
				 gboolean		 fill,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_diamond)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_string)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 const gchar		*string);
  void (*draw_box)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_flat_box)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_check)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_option)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_tab)		(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,
				 GtkWidget		*widget,
				 const gchar		*detail,
				 gint			 x,
				 gint			 y,
				 gint			 width,
				 gint			 height);
  void (*draw_shadow_gap)	(GtkStyle		*style,
				 GdkWindow		*window,
				 GtkStateType		 state_type,
				 GtkShadowType		 shadow_type,
				 GdkRectangle		*area,